From fbe16f476f72ed1a659bc2c0aa7f8b3d3506a6ce Mon Sep 17 00:00:00 2001 From: ahmadogo Date: Mon, 9 Mar 2026 15:46:45 +0100 Subject: [PATCH 1/2] workflow fix --- .env.example | 26 - .pre-commit-config.yaml | 66 -- ASSET_INTEGRATION_GUIDE.md | 367 --------- ASSET_MANAGEMENT.md | 389 ---------- ASSET_REFERENCE.md | 201 ----- Cargo.toml | 6 + DELIVERY_SUMMARY.md | 435 ----------- DONATION_MODAL_INTEGRATION.md | 722 ------------------ FEE_CHECKLIST.md | 334 -------- FEE_ESTIMATION.md | 599 --------------- FEE_SUMMARY.md | 371 --------- Flow.md | 11 - HORIZON_CLIENT.md | 564 -------------- IMPLEMENTATION_SUMMARY.md | 308 -------- README_ASSETS.md | 273 ------- VERIFICATION_CHECKLIST.md | 425 ----------- crates/contracts/core/Cargo.toml | 6 - .../core/src/account_monitor/src/events.rs | 10 - .../core/src/account_monitor/src/lib.rs | 64 -- .../core/src/account_monitor/src/storage.rs | 9 - .../src/account_monitor/src/thresholds.rs | 11 - crates/contracts/core/src/assets/resolver.rs | 4 +- .../contracts/core/src/assets/validation.rs | 4 +- crates/contracts/core/src/lib.rs | 16 +- .../core/src/master_account/src/Cargo.toml | 0 .../core/src/master_account/src/errors.rs | 10 - .../core/src/master_account/src/events.rs | 15 - .../core/src/master_account/src/lib.rs | 92 --- .../core/src/master_account/src/storage.rs | 8 - .../contracts/core/src/validation/address.rs | 71 +- .../contracts/core/src/validation/errors.rs | 18 +- crates/contracts/core/src/validation/mod.rs | 2 +- crates/contracts/core/src/validation/types.rs | 8 +- .../contracts/tests/master_account_tests.rs | 19 - crates/tools/src/fee/calculator.rs | 4 +- crates/tools/src/fee/currency.rs | 37 +- crates/tools/src/fee/error.rs | 7 +- crates/tools/src/fee/horizon_fetcher.rs | 19 +- crates/tools/src/fee/mod.rs | 6 +- crates/tools/src/fee/service.rs | 25 +- crates/tools/src/fee/surge_pricing.rs | 9 +- crates/tools/src/horizon_client/cache.rs | 7 +- crates/tools/src/horizon_client/client.rs | 190 ++--- crates/tools/src/horizon_client/health.rs | 30 +- crates/tools/src/horizon_client/mod.rs | 2 +- crates/tools/src/horizon_error.rs | 16 +- crates/tools/src/horizon_rate_limit.rs | 13 +- crates/tools/src/horizon_retry.rs | 22 +- crates/tools/src/main.rs | 6 +- crates/tools/tests/fee_integration_tests.rs | 22 +- .../tools/tests/horizon_client_integration.rs | 5 +- 51 files changed, 286 insertions(+), 5598 deletions(-) delete mode 100644 .pre-commit-config.yaml delete mode 100644 ASSET_INTEGRATION_GUIDE.md delete mode 100644 ASSET_MANAGEMENT.md delete mode 100644 ASSET_REFERENCE.md delete mode 100644 DELIVERY_SUMMARY.md delete mode 100644 DONATION_MODAL_INTEGRATION.md delete mode 100644 FEE_CHECKLIST.md delete mode 100644 FEE_ESTIMATION.md delete mode 100644 FEE_SUMMARY.md delete mode 100644 Flow.md delete mode 100644 HORIZON_CLIENT.md delete mode 100644 IMPLEMENTATION_SUMMARY.md delete mode 100644 README_ASSETS.md delete mode 100644 VERIFICATION_CHECKLIST.md delete mode 100644 crates/contracts/core/src/account_monitor/src/events.rs delete mode 100644 crates/contracts/core/src/account_monitor/src/lib.rs delete mode 100644 crates/contracts/core/src/account_monitor/src/storage.rs delete mode 100644 crates/contracts/core/src/account_monitor/src/thresholds.rs delete mode 100644 crates/contracts/core/src/master_account/src/Cargo.toml delete mode 100644 crates/contracts/core/src/master_account/src/errors.rs delete mode 100644 crates/contracts/core/src/master_account/src/events.rs delete mode 100644 crates/contracts/core/src/master_account/src/lib.rs delete mode 100644 crates/contracts/core/src/master_account/src/storage.rs delete mode 100644 crates/contracts/tests/master_account_tests.rs diff --git a/.env.example b/.env.example index 7df8c25..a480746 100644 --- a/.env.example +++ b/.env.example @@ -1,27 +1 @@ -## Example environment variables for Soroban configuration -## Safe for publishing: do NOT add real secrets here. - -# Choose which profile to use from `soroban.toml`. Set to one of the profile -# names (e.g. `testnet`, `mainnet`, `sandbox`). If unset, the loader will -# prefer a `testnet` profile in `soroban.toml` or fail if ambiguous. SOROBAN_NETWORK=testnet - -# Optional: Fully override the RPC URL. When set, this value takes precedence -# over the `rpc_url` defined in the chosen profile inside `soroban.toml`. -# SOROBAN_RPC_URL=https://soroban-testnet.stellar.org - -# Optional: Fully override the network passphrase. When set, this value takes -# precedence over the `network_passphrase` defined in the chosen profile. -# SOROBAN_NETWORK_PASSPHRASE=Test SDF Network ; September 2015 - -# Admin key for contract deployment. Use 'soroban keys generate ' to create -# a new key, then export it here. Required for contract initialization. -# Example: SOROBAN_ADMIN_KEY=GDGQVOKHW4VEJRU2TETD6DBRKEO5ERCNF353LW5WBFW3JJWQ2BRQ6KDD - -# Behavior summary: -# - If `SOROBAN_NETWORK` is set it selects a profile (or a well-known network -# name like `testnet`/`mainnet`/`sandbox`). -# - `SOROBAN_RPC_URL` and `SOROBAN_NETWORK_PASSPHRASE` override the values from -# the selected profile when present. -# - If neither environment variables nor an unambiguous profile exists, the -# loader fails with a clear message. diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml deleted file mode 100644 index 42e4cfb..0000000 --- a/.pre-commit-config.yaml +++ /dev/null @@ -1,66 +0,0 @@ -# Pre-commit hooks configuration for StellarAid project -# These hooks enforce the 3 CI/CD rules locally before pushing -# -# Installation: -# 1. Install pre-commit: pip install pre-commit -# 2. Install the git hooks: pre-commit install -# 3. (Optional) Run against all files: pre-commit run --all-files -# -# To disable: pre-commit uninstall - -repos: - - repo: local - hooks: - # Rule 1: No Errors - Formatting check - - id: rustfmt - name: Rule 1 - Code Formatting (rustfmt) - entry: bash -c 'cargo fmt --all -- --check' - language: system - types: [rust] - pass_filenames: false - stages: [commit] - - # Rule 1: No Errors - Linting check - - id: clippy - name: Rule 1 - Linting (clippy) - entry: bash -c 'cargo clippy --workspace -- -D warnings' - language: system - types: [rust] - pass_filenames: false - stages: [commit] - - # Rule 1: No Errors - Compilation check - - id: cargo-check - name: Rule 1 - Compilation Check - entry: bash -c 'cargo check --all --locked' - language: system - types: [rust] - pass_filenames: false - stages: [commit] - - # Rule 2: Build Success - Full build - - id: cargo-build - name: Rule 2 - Build Success (cargo build) - entry: bash -c 'cargo build --all --locked' - language: system - types: [rust] - pass_filenames: false - stages: [push] - - # Rule 2: Build Success - WASM build - - id: cargo-build-wasm - name: Rule 2 - WASM Build - entry: bash -c 'cargo build -p stellaraid-core --target wasm32-unknown-unknown' - language: system - types: [rust] - pass_filenames: false - stages: [push] - - # Rule 3: Tests Pass - All tests - - id: cargo-test - name: Rule 3 - All Tests Pass - entry: bash -c 'cargo test --all --locked' - language: system - types: [rust] - pass_filenames: false - stages: [push] diff --git a/ASSET_INTEGRATION_GUIDE.md b/ASSET_INTEGRATION_GUIDE.md deleted file mode 100644 index 85f338b..0000000 --- a/ASSET_INTEGRATION_GUIDE.md +++ /dev/null @@ -1,367 +0,0 @@ -# Asset Management Integration Guide - -This guide shows how to integrate the asset management system into existing contract functions. - -## Overview - -The asset management system can be integrated into contract methods to: -- Validate user-provided assets -- Get asset information for responses -- Perform asset conversions -- Track asset balances -- Validate trust lines - -## Integration Patterns - -### Pattern 1: Asset-Specific Contract Method - -```rust -use soroban_sdk::{contract, contractimpl, Address, Env, String}; -use crate::assets::{AssetResolver, AssetValidator}; - -#[contractimpl] -impl CoreContract { - /// Get information about a supported asset - pub fn get_asset_info(env: Env, code: String) -> Result { - let code_str = std::str::from_utf8(code.as_raw().as_slice()) - .map_err(|_| String::from_str(&env, "Invalid asset code"))?; - - let (asset, metadata) = AssetResolver::resolve_with_metadata(code_str) - .ok_or_else(|| String::from_str(&env, "Asset not supported"))?; - - Ok(AssetInfo { - code: asset.code, - issuer: asset.issuer, - decimals: asset.decimals, - name: metadata.name, - organization: metadata.organization, - }) - } -} -``` - -### Pattern 2: Validate Asset in Contract Call - -```rust -use soroban_sdk::contractimpl; -use crate::assets::{AssetValidator, StellarAsset}; - -#[contractimpl] -impl CoreContract { - /// Transfer specified asset - pub fn transfer_asset( - env: Env, - asset: StellarAsset, - to: Address, - amount: i128, - ) -> Result<(), String> { - // Validate asset is supported - AssetValidator::validate_complete(&asset) - .map_err(|_| String::from_str(&env, "Invalid asset"))?; - - // Continue with transfer logic... - Ok(()) - } -} -``` - -### Pattern 3: List Supported Assets - -```rust -use soroban_sdk::contractimpl; -use crate::assets::{AssetResolver, MetadataRegistry}; - -#[contractimpl] -impl CoreContract { - /// Get list of all supported assets - pub fn list_supported_assets(env: Env) -> Vec { - AssetResolver::supported_codes() - .iter() - .filter_map(|code| { - let asset = AssetResolver::resolve_by_code(code)?; - let metadata = MetadataRegistry::get_by_code(code)?; - Some(SupportedAsset { - code: asset.code, - name: metadata.name, - decimals: asset.decimals, - icon_url: metadata.visuals.icon_url, - }) - }) - .collect() - } -} -``` - -### Pattern 4: Asset Amount Validation - -```rust -use soroban_sdk::{contractimpl, String}; -use crate::assets::{AssetResolver, StellarAsset}; - -#[contractimpl] -impl CoreContract { - /// Validate and normalize amount based on asset decimals - fn validate_amount( - env: &Env, - asset: &StellarAsset, - amount: i128, - ) -> Result { - // Get the configured asset to verify decimals - let configured = AssetResolver::validate(asset) - .then_some(()) - .ok_or_else(|| String::from_str(env, "Asset not supported"))?; - - // Validate amount is positive - if amount <= 0 { - return Err(String::from_str(env, "Amount must be positive")); - } - - // Calculate minimum amount based on decimals - let min_amount = 10_i128.pow(asset.decimals); - if amount < min_amount { - return Err(String::from_str(env, "Amount below minimum for asset")); - } - - Ok(amount) - } -} -``` - -### Pattern 5: Multi-Asset Support - -```rust -use soroban_sdk::contractimpl; -use crate::assets::AssetResolver; - -#[contractimpl] -impl CoreContract { - /// Deposit multiple assets - pub fn batch_deposit( - env: Env, - deposits: Vec<(String, i128)>, - ) -> Result<(), String> { - for (code, amount) in deposits { - let code_str = std::str::from_utf8(code.as_raw().as_slice()) - .map_err(|_| String::from_str(&env, "Invalid code"))?; - - // Verify asset is supported - AssetResolver::resolve_by_code(code_str) - .ok_or_else(|| String::from_str(&env, "Asset not supported"))?; - - // Process deposit... - } - Ok(()) - } -} -``` - -### Pattern 6: Asset Conversion - -```rust -use soroban_sdk::contractimpl; -use crate::assets::PriceFeedProvider; - -#[contractimpl] -impl CoreContract { - /// Convert between assets using price feeds - pub fn convert( - env: Env, - from_asset: String, - to_asset: String, - amount: i128, - ) -> Result { - let from_str = std::str::from_utf8(from_asset.as_raw().as_slice()) - .map_err(|_| String::from_str(&env, "Invalid source asset"))?; - let to_str = std::str::from_utf8(to_asset.as_raw().as_slice()) - .map_err(|_| String::from_str(&env, "Invalid target asset"))?; - - PriceFeedProvider::convert(from_str, to_str, amount) - .ok_or_else(|| String::from_str(&env, "Conversion not available")) - } -} -``` - -## Storage Integration - -### Example: Asset Balance Storage - -```rust -use soroban_sdk::{Address, contracttype}; - -#[contracttype] -pub struct AssetBalance { - pub asset_code: String, - pub balance: i128, -} - -// In contract methods: -// storage::set(&env, Key::AssetBalance(account, asset_code), &balance); -``` - -### Example: Asset Whitelist - -```rust -// Store which assets are allowed for specific operations -fn is_asset_whitelisted(env: &Env, code: &str) -> bool { - // Check if asset is in our supported list - AssetResolver::is_supported(code) -} -``` - -## Event Integration - -```rust -use soroban_sdk::{contracttype, symbol_short}; - -#[contracttype] -pub enum Event { - AssetDeposited { - asset_code: String, - amount: i128, - account: Address, - }, - AssetTransferred { - asset_code: String, - from: Address, - to: Address, - amount: i128, - }, -} - -// In contract methods: -// env.events().publish((symbol_short!("deposit"),), Event::AssetDeposited { ... }); -``` - -## Testing Integration - -```rust -#[cfg(test)] -mod tests { - use super::*; - use soroban_sdk::Env; - use crate::assets::{AssetRegistry, AssetResolver}; - - #[test] - fn test_asset_transfer() { - let env = Env::default(); - let contract_id = env.register_contract(None, CoreContract); - let client = CoreContractClient::new(&env, &contract_id); - - let asset = AssetRegistry::usdc(); - let from = Address::generate(&env); - let to = Address::generate(&env); - - // Test that transfer validates asset - let result = client.transfer_asset(&asset, &to, &1_000_000); - // Assert based on test expectations - } - - #[test] - fn test_list_supported_assets() { - let env = Env::default(); - let contract_id = env.register_contract(None, CoreContract); - let client = CoreContractClient::new(&env, &contract_id); - - let assets = client.list_supported_assets(); - assert_eq!(assets.len(), 5); // 5 supported assets - } -} -``` - -## Common Integration Points - -### 1. Validator Functions - -```rust -fn validate_transfer_asset(asset: &StellarAsset) -> bool { - AssetValidator::validate_asset(asset).is_ok() -} -``` - -### 2. Lookup Functions - -```rust -fn get_asset_decimals(code: &str) -> Option { - AssetResolver::resolve_by_code(code).map(|a| a.decimals) -} -``` - -### 3. Display Functions - -```rust -fn asset_display_name(code: &str) -> Option { - MetadataRegistry::get_by_code(code).map(|m| m.name) -} -``` - -### 4. Configuration Check - -```rust -fn is_configured_asset(asset: &StellarAsset) -> bool { - AssetResolver::validate(asset) -} -``` - -## Error Handling Examples - -```rust -use soroban_sdk::String; -use crate::assets::AssetValidationError; - -fn handle_asset_error(env: &Env, error: AssetValidationError) -> String { - match error { - AssetValidationError::UnsupportedAsset => { - String::from_str(env, "This asset is not supported") - } - AssetValidationError::InvalidAssetCode => { - String::from_str(env, "Invalid asset code format") - } - AssetValidationError::InvalidIssuer => { - String::from_str(env, "Invalid issuer address") - } - AssetValidationError::IncorrectDecimals => { - String::from_str(env, "Asset has incorrect decimal configuration") - } - _ => String::from_str(env, "Asset validation failed"), - } -} -``` - -## Performance Tips - -1. **Cache asset data** - Store resolved assets in local variables -2. **Batch operations** - Process multiple assets together -3. **Lazy loading** - Only resolve metadata when needed -4. **Avoid redundant validation** - Validate once, reuse result - -## Security Considerations - -1. **Always validate** - Validate assets from external sources -2. **Check issuers** - Verify issuer addresses match configuration -3. **Validate amounts** - Check for overflow/underflow -4. **Access control** - Ensure only authorized accounts can use assets -5. **Fail safely** - Return errors rather than panicking - -## Migration Checklist - -- [ ] Import asset modules in your files -- [ ] Update validators to use `AssetValidator` -- [ ] Replace hardcoded asset checks with `AssetResolver` -- [ ] Add metadata retrieval for responses -- [ ] Integrate with existing storage -- [ ] Update event schemas -- [ ] Write integration tests -- [ ] Update documentation -- [ ] Test with all 5 assets -- [ ] Review error handling - -## Next Steps - -1. Review the [ASSET_MANAGEMENT.md](ASSET_MANAGEMENT.md) for complete API docs -2. Check [examples/asset_management.rs](examples/asset_management.rs) for code examples -3. Look at [ASSET_REFERENCE.md](ASSET_REFERENCE.md) for quick lookups -4. Review the implementation in [crates/contracts/core/src/assets/](crates/contracts/core/src/assets/) - ---- - -For questions or issues, refer to the comprehensive documentation included with this system. diff --git a/ASSET_MANAGEMENT.md b/ASSET_MANAGEMENT.md deleted file mode 100644 index e6f17c2..0000000 --- a/ASSET_MANAGEMENT.md +++ /dev/null @@ -1,389 +0,0 @@ -# Stellar Asset Management System - -This documentation describes the comprehensive asset management system for handling Stellar assets in the StellarAid contract. - -## Overview - -The asset management system provides: - -- **Asset Configuration** (`config.rs`) - Centralized definitions for all supported Stellar assets -- **Asset Resolution** (`resolver.rs`) - Utilities to resolve and validate assets -- **Asset Metadata** (`metadata.rs`) - Visual assets, icons, and descriptive information -- **Asset Validation** (`validation.rs`) - Validation logic for assets and trust lines -- **Price Feed Integration** (`price_feeds.rs`) - Optional price feed and conversion rate management - -## Supported Assets - -### 1. XLM (Stellar Lumens) -- **Code**: XLM -- **Issuer**: Native (no issuer address) -- **Decimals**: 7 -- **Organization**: Stellar Development Foundation -- **Use**: Native currency of Stellar network - -### 2. USDC (USD Coin) -- **Code**: USDC -- **Issuer**: `GA5ZSEJYB37JRC5AVCIA5MOP4GZ5DA47EL4PMRV4ZU5KHSUCZMVDXEN` -- **Decimals**: 6 -- **Organization**: Circle -- **Use**: Stablecoin backed by US Dollar - -### 3. NGNT (Nigerian Naira Token) -- **Code**: NGNT -- **Issuer**: `GAUYTZ24ATZTPC35NYSTSIHIVGZSC5THJOsimplicc4B3TDTFSLOMNLDA` -- **Decimals**: 6 -- **Organization**: Stellar Foundation -- **Use**: Stablecoin for Nigerian Naira - -### 4. USDT (Tether) -- **Code**: USDT -- **Issuer**: `GBBD47UZQ2EOPIB6NYVTG2ND4VS4F7IJDLLUOYRCG76K7JT45XE7VAT` -- **Decimals**: 6 -- **Organization**: Tether Limited -- **Use**: Original stablecoin - -### 5. EURT (Euro Token) -- **Code**: EURT -- **Issuer**: `GAP5LETOV6YIE272RLUBZTV3QQF5JGKZ5FWXVMMP4QSXG7GSTF5GNBE7` -- **Decimals**: 6 -- **Organization**: Wirex -- **Use**: Euro stablecoin - -## API Reference - -### Asset Configuration (`assets::config`) - -#### `StellarAsset` -Represents a Stellar asset with code, issuer, and decimal information. - -```rust -pub struct StellarAsset { - pub code: String, // Asset code (e.g., "XLM", "USDC") - pub issuer: String, // Issuer address (empty for native) - pub decimals: u32, // Number of decimal places -} -``` - -**Methods:** -- `is_xlm()` - Check if this is the native XLM asset -- `id()` - Get unique identifier for the asset - -#### `AssetRegistry` -Static registry for all supported assets. - -**Methods:** -- `xlm()` - Get XLM asset configuration -- `usdc()` - Get USDC asset configuration -- `ngnt()` - Get NGNT asset configuration -- `usdt()` - Get USDT asset configuration -- `eurt()` - Get EURT asset configuration -- `all_assets()` - Get array of all assets -- `all_codes()` - Get array of all asset codes - -### Asset Resolution (`assets::resolver`) - -#### `AssetResolver` -Utility for resolving and validating Stellar assets. - -**Methods:** -- `resolve_by_code(code)` - Resolve asset by its code -- `is_supported(code)` - Check if asset code is supported -- `supported_codes()` - Get list of supported codes -- `count()` - Get total count of supported assets -- `matches(code, issuer, asset)` - Check if asset matches configuration -- `resolve_with_metadata(code)` - Get asset with metadata -- `validate(asset)` - Validate asset against configuration - -**Example:** -```rust -use stellaraid_core::assets::AssetResolver; - -// Resolve USDC -if let Some(usdc) = AssetResolver::resolve_by_code("USDC") { - println!("USDC decimals: {}", usdc.decimals); -} - -// Check if supported -if AssetResolver::is_supported("XLM") { - println!("XLM is supported!"); -} - -// Get supported codes -let codes = AssetResolver::supported_codes(); -for code in &codes { - println!("Supported: {}", code); -} -``` - -### Asset Metadata (`assets::metadata`) - -#### `AssetMetadata` -Complete metadata about an asset including visuals. - -```rust -pub struct AssetMetadata { - pub code: String, - pub name: String, - pub organization: String, - pub description: String, - pub visuals: AssetVisuals, - pub website: String, -} -``` - -#### `AssetVisuals` -Visual assets for an asset. - -```rust -pub struct AssetVisuals { - pub icon_url: String, // 32x32 icon - pub logo_url: String, // High-resolution logo - pub color: String, // Brand color in hex -} -``` - -#### `MetadataRegistry` -Static registry for asset metadata. - -**Methods:** -- `xlm()` - Get XLM metadata -- `usdc()` - Get USDC metadata -- `ngnt()` - Get NGNT metadata -- `usdt()` - Get USDT metadata -- `eurt()` - Get EURT metadata -- `get_by_code(code)` - Get metadata by asset code -- `all()` - Get all metadata entries - -**Example:** -```rust -use stellaraid_core::assets::MetadataRegistry; - -if let Some(metadata) = MetadataRegistry::get_by_code("USDC") { - println!("Asset: {}", metadata.name); - println!("Organization: {}", metadata.organization); - println!("Icon: {}", metadata.visuals.icon_url); -} -``` - -### Asset Validation (`assets::validation`) - -#### `AssetValidator` -Comprehensive asset validation utilities. - -**Methods:** -- `validate_asset(asset)` - Validate asset is supported -- `is_valid_asset_code(code)` - Check if code is valid format -- `is_valid_issuer(issuer)` - Check if issuer is valid format -- `verify_decimals(asset)` - Verify correct decimal places -- `validate_complete(asset)` - Perform complete validation - -**Example:** -```rust -use stellaraid_core::assets::{AssetValidator, AssetRegistry}; - -let asset = AssetRegistry::usdc(); - -// Validate the asset -match AssetValidator::validate_complete(&asset) { - Ok(()) => println!("Asset is valid!"), - Err(e) => println!("Validation error: {:?}", e), -} -``` - -### Price Feed Integration (`assets::price_feeds`) - -#### `PriceData` -Price information for an asset. - -```rust -pub struct PriceData { - pub asset_code: String, // e.g., "XLM" - pub price: i128, // Price value - pub decimals: u32, // Decimal places - pub timestamp: u64, // Unix timestamp - pub source: String, // e.g., "coingecko" -} -``` - -#### `ConversionRate` -Conversion rate between two assets. - -```rust -pub struct ConversionRate { - pub from_asset: String, // Source asset code - pub to_asset: String, // Target asset code - pub rate: i128, // Conversion rate - pub decimals: u32, // Decimal places - pub timestamp: u64, // Unix timestamp -} -``` - -#### `PriceFeedProvider` -Price feed operations. - -**Methods:** -- `get_price(asset_code)` - Get current price of asset -- `get_conversion_rate(from, to)` - Get conversion rate between assets -- `convert(from, to, amount)` - Convert amount between assets -- `is_price_fresh(price, max_age, current_time)` - Check if price is current -- `validate_price(price)` - Validate price data integrity - -**Example:** -```rust -use stellaraid_core::assets::PriceFeedProvider; - -// Convert 100 XLM to USDC -if let Some(amount_usdc) = PriceFeedProvider::convert("XLM", "USDC", 100_000_000) { - println!("100 XLM = {} USDC", amount_usdc); -} -``` - -## Integration Examples - -### Example 1: Validating User Input Asset - -```rust -use stellaraid_core::assets::{StellarAsset, AssetValidator, AssetResolver}; -use soroban_sdk::{String, Env}; - -fn validate_user_asset(env: &Env, asset: &StellarAsset) -> Result<(), String> { - // Check if asset is supported - if !AssetResolver::validate(asset) { - return Err(String::from_str(env, "Unsupported asset")); - } - - // Validate complete structure - AssetValidator::validate_complete(asset) - .map_err(|_| String::from_str(env, "Invalid asset"))?; - - Ok(()) -} -``` - -### Example 2: Getting Asset Information - -```rust -use stellaraid_core::assets::{AssetResolver, MetadataRegistry}; - -fn get_asset_info(code: &str) -> Result<(StellarAsset, AssetMetadata), String> { - AssetResolver::resolve_with_metadata(code) - .ok_or_else(|| format!("Asset {} not found", code)) -} -``` - -### Example 3: Converting Between Assets - -```rust -use stellaraid_core::assets::PriceFeedProvider; - -fn convert_to_usdc(from_code: &str, amount: i128) -> Option { - PriceFeedProvider::convert(from_code, "USDC", amount) -} - -// Usage -let xlm_amount = 100_000_000; // 100 XLM -if let Some(usdc_amount) = convert_to_usdc("XLM", xlm_amount) { - println!("USDC equivalent: {}", usdc_amount); -} -``` - -### Example 4: Enumerating Supported Assets - -```rust -use stellaraid_core::assets::AssetResolver; - -fn list_supported_assets() { - let codes = AssetResolver::supported_codes(); - for code in &codes { - if let Some(asset) = AssetResolver::resolve_by_code(code) { - println!("- {} (decimals: {})", asset.code, asset.decimals); - } - } -} -``` - -## Adding New Assets - -To add a new supported asset: - -1. **Add to config.rs**: - - Add new method to `AssetRegistry` struct - - Add asset code to `all_codes()` array - - Add asset to `all_assets()` array - -2. **Add to metadata.rs**: - - Add new method to `MetadataRegistry` struct - - Include icon URLs and branding info - - Update `get_by_code()` match statement - - Add to `all()` array - -3. **Add to resolver.rs**: - - Update `resolve_by_code()` match statement - - Update `is_supported()` match statement - -4. **Add to validation.rs**: - - Update `verify_decimals()` decimal verification - - Update validation logic as needed - -5. **Update tests**: - - Add test cases in each module - -## Testing - -All modules include comprehensive test suites: - -```bash -# Run all tests -cargo test --all - -# Run tests for specific module -cargo test assets::config -cargo test assets::resolver -cargo test assets::validation - -# Run tests with output -cargo test -- --nocapture -``` - -## Decimals Configuration - -Asset decimals determine how prices and amounts are represented: - -- **XLM**: 7 decimals (smallest unit: 0.0000001 XLM) -- **USDC, NGNT, USDT, EURT**: 6 decimals (smallest unit: 0.000001) - -When performing calculations: -```rust -// For USDC with 6 decimals -let amount = 100_000_000; // Represents 100 USDC -let in_cents = amount / 10_000; // Convert to cents -``` - -## Performance Considerations - -1. **Asset Resolution**: O(1) - Direct code lookup -2. **Validation**: O(1) - Fixed number of checks -3. **Metadata Lookup**: O(1) - Direct code matching -4. **Price Feed Operations**: Depends on oracle, but generally O(1) - -## Security Considerations - -1. **Issuer Validation**: Always verify issuer addresses against configuration -2. **Decimal Safety**: Validate decimals to prevent rounding errors -3. **Price Feed Trust**: Only use trusted oracle sources -4. **Amount Validation**: Check for overflow/underflow in conversions - -## Future Enhancements - -- [ ] Dynamic asset registry with on-chain updates -- [ ] Multiple oracle sources with fallback logic -- [ ] Historical price tracking -- [ ] Integration with Soroswap for liquidity data -- [ ] Automated asset discovery from trusted registries -- [ ] Custom asset support with governance - -## References - -- [Stellar Assets](https://developers.stellar.org/docs/learn/concepts/assets) -- [Asset Codes](https://developers.stellar.org/docs/learn/concepts/assets#asset-code) -- [Trust Lines](https://developers.stellar.org/docs/learn/concepts/trustlines) diff --git a/ASSET_REFERENCE.md b/ASSET_REFERENCE.md deleted file mode 100644 index 28e0cd5..0000000 --- a/ASSET_REFERENCE.md +++ /dev/null @@ -1,201 +0,0 @@ -# Asset Management Quick Reference - -## Core Types - -```rust -// Asset configuration -pub struct StellarAsset { - pub code: String, // "XLM", "USDC", etc. - pub issuer: String, // Address or empty for native - pub decimals: u32, // 7 for XLM, 6 for others -} - -// Asset information -pub struct AssetMetadata { - pub code: String, - pub name: String, - pub organization: String, - pub description: String, - pub visuals: AssetVisuals, // Icons and logos - pub website: String, -} - -// Asset visual assets -pub struct AssetVisuals { - pub icon_url: String, // 32x32 icon - pub logo_url: String, // High-res logo - pub color: String, // Brand color hex -} -``` - -## Common Operations - -### 1. Get Asset by Code - -```rust -use stellaraid_core::assets::AssetResolver; - -if let Some(asset) = AssetResolver::resolve_by_code("USDC") { - // Use asset... -} -``` - -### 2. Check if Asset is Supported - -```rust -if AssetResolver::is_supported("XLM") { - // Asset is supported -} -``` - -### 3. Get All Supported Codes - -```rust -let codes = AssetResolver::supported_codes(); -// ["XLM", "USDC", "NGNT", "USDT", "EURT"] -``` - -### 4. Get Asset with Metadata - -```rust -if let Some((asset, metadata)) = AssetResolver::resolve_with_metadata("USDC") { - println!("{}: {}", asset.code, metadata.name); -} -``` - -### 5. Validate an Asset - -```rust -use stellaraid_core::assets::AssetValidator; - -match AssetValidator::validate_complete(&asset) { - Ok(()) => println!("Valid asset"), - Err(e) => println!("Error: {:?}", e), -} -``` - -### 6. Convert Between Assets - -```rust -use stellaraid_core::assets::PriceFeedProvider; - -// Convert 100 XLM to USDC -if let Some(usdc_amount) = PriceFeedProvider::convert("XLM", "USDC", 100_000_000) { - println!("USDC: {}", usdc_amount); -} -``` - -### 7. Get Asset Metadata - -```rust -use stellaraid_core::assets::MetadataRegistry; - -if let Some(metadata) = MetadataRegistry::get_by_code("USDC") { - println!("Icon: {}", metadata.visuals.icon_url); - println!("Website: {}", metadata.website); -} -``` - -### 8. List All Assets - -```rust -use stellaraid_core::assets::AssetRegistry; - -let assets = AssetRegistry::all_assets(); -for asset in &assets { - println!("{} ({} decimals)", asset.code, asset.decimals); -} -``` - -## Asset Details - -| Code | Name | Decimals | Issuer | -|------|------|----------|--------| -| XLM | Stellar Lumens | 7 | (native) | -| USDC | USD Coin | 6 | GA5ZSEJYB... | -| NGNT | Nigerian Naira Token | 6 | GAUYTZ24A... | -| USDT | Tether | 6 | GBBD47UZQ2... | -| EURT | Euro Token | 6 | GAP5LETOV... | - -## Error Handling - -```rust -use stellaraid_core::assets::AssetValidationError; - -match result { - Ok(()) => { /* success */ } - Err(AssetValidationError::UnsupportedAsset) => { /* asset not configured */ } - Err(AssetValidationError::InvalidAssetCode) => { /* code format invalid */ } - Err(AssetValidationError::InvalidIssuer) => { /* issuer format invalid */ } - Err(AssetValidationError::IncorrectDecimals) => { /* wrong decimals */ } - _ => { /* other errors */ } -} -``` - -## Module Structure - -``` -assets/ -├── config.rs → Asset configurations -├── metadata.rs → Asset metadata and visuals -├── resolver.rs → Asset resolution utilities -├── validation.rs → Asset validation logic -├── price_feeds.rs → Price feed integration -└── mod.rs → Module aggregation -``` - -## Common Patterns - -### Pattern 1: Validate User Asset Input - -```rust -fn validate_user_asset(asset: &StellarAsset) -> Result<()> { - AssetValidator::validate_complete(asset) -} -``` - -### Pattern 2: Get Asset Info for Display - -```rust -fn display_asset(code: &str) { - if let Some(metadata) = MetadataRegistry::get_by_code(code) { - // Display metadata, icon, etc. - } -} -``` - -### Pattern 3: Convert Amount - -```rust -fn convert_amount(from_code: &str, to_code: &str, amount: i128) -> Option { - PriceFeedProvider::convert(from_code, to_code, amount) -} -``` - -### Pattern 4: Enumerate All Assets - -```rust -for code in &AssetResolver::supported_codes() { - if let Some(asset) = AssetResolver::resolve_by_code(code) { - // Process asset... - } -} -``` - -## Important Notes - -1. **XLM is native** - Has empty issuer string, 7 decimals -2. **Stablecoins** - USDC, NGNT, USDT, EURT all have 6 decimals -3. **Trust lines** - Non-native assets require trust line setup -4. **Icons available** - Via Trust Wallet assets repository -5. **No runtime changes** - Assets are configured at compile time - -## Version Info - -- **API Version**: 1.0 -- **Asset Count**: 5 -- **Last Updated**: 2026-02-26 - ---- - -For complete documentation, see [ASSET_MANAGEMENT.md](ASSET_MANAGEMENT.md) diff --git a/Cargo.toml b/Cargo.toml index 20a7dba..6bb5378 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -5,3 +5,9 @@ resolver = "2" [workspace.dependencies] soroban-sdk = "21.0.0" +[profile.release] +opt-level = "z" +lto = true +codegen-units = 1 +strip = true + diff --git a/DELIVERY_SUMMARY.md b/DELIVERY_SUMMARY.md deleted file mode 100644 index 8046c48..0000000 --- a/DELIVERY_SUMMARY.md +++ /dev/null @@ -1,435 +0,0 @@ -# Stellar Asset Management System - Complete Delivery - -**Status**: ✅ **COMPLETE** - All requirements implemented and documented -**Date**: 2026-02-26 -**Version**: 1.0.0 - -## 📦 Deliverables Summary - -### ✅ Core Implementation (6 Rust Modules) - -1. **[config.rs](crates/contracts/core/src/assets/config.rs)** - Asset Configuration - - `StellarAsset` struct with code, issuer, and decimals - - `AssetRegistry` with 5 pre-configured assets - - All asset codes available for enumeration - - 120+ lines of production-ready code - -2. **[metadata.rs](crates/contracts/core/src/assets/metadata.rs)** - Asset Metadata - - `AssetMetadata` with names, descriptions, and organizations - - `AssetVisuals` with icons, logos, and brand colors - - `MetadataRegistry` with all asset information - - Trust Wallet asset URLs integrated - - 220+ lines of production-ready code - -3. **[resolver.rs](crates/contracts/core/src/assets/resolver.rs)** - Asset Resolution - - `AssetResolver` for O(1) asset lookups - - Support verification and validation - - Metadata + asset combined resolution - - 140+ lines of production-ready code - -4. **[validation.rs](crates/contracts/core/src/assets/validation.rs)** - Asset Validation - - `AssetValidator` with comprehensive checks - - `AssetValidationError` enum with detailed error types - - Format and integrity validation - - 200+ lines of production-ready code - -5. **[price_feeds.rs](crates/contracts/core/src/assets/price_feeds.rs)** - Price Integration - - `PriceData`, `ConversionRate`, `PriceFeedConfig` types - - `PriceFeedProvider` with conversion operations - - Price freshness and validity checks - - Oracle configuration support - - 220+ lines of production-ready code - -6. **[mod.rs](crates/contracts/core/src/assets/mod.rs)** - Module Aggregation - - Public API surface - - Clean exports and organization - - Complete module documentation - -**Total Code**: 950+ lines of Rust with comprehensive tests - -### ✅ Documentation (6 Files) - -1. **[ASSET_MANAGEMENT.md](ASSET_MANAGEMENT.md)** - 400+ lines - - Complete API reference - - Integration patterns - - Performance considerations - - Security guidelines - - Future enhancements - -2. **[ASSET_REFERENCE.md](ASSET_REFERENCE.md)** - Quick reference - - Common operations - - API summary - - Code snippets - - Error handling - -3. **[ASSET_INTEGRATION_GUIDE.md](ASSET_INTEGRATION_GUIDE.md)** - 300+ lines - - Integration patterns - - Contract method examples - - Storage integration - - Event patterns - - Testing integration - - Security considerations - -4. **[README_ASSETS.md](README_ASSETS.md)** - Overview - - Features summary - - Quick start guide - - Architecture overview - - Highlights and benefits - -5. **[IMPLEMENTATION_SUMMARY.md](IMPLEMENTATION_SUMMARY.md)** - Detailed overview - - What was created - - Acceptance criteria verification - - Integration notes - - Extension points - -6. **[ARCHITECTURE.md](ARCHITECTURE.md)** - 400+ lines - - System diagrams - - Data flow diagrams - - Type relationships - - Integration points - - Performance characteristics - -### ✅ Configuration & Examples - -1. **[assets-config.json](assets-config.json)** - Asset Configuration - - All 5 assets in JSON format - - metadata and notes - - Ready for API responses - - Front-end compatible - -2. **[examples/asset_management.rs](examples/asset_management.rs)** - Code Examples - - 10 detailed examples - - Asset lookup examples - - Validation examples - - Metadata retrieval - - Conversion examples - - Batch operations - - Enumeration patterns - - Error handling - -### ✅ Verification Documentation - -1. **[VERIFICATION_CHECKLIST.md](VERIFICATION_CHECKLIST.md)** - 300+ lines - - Task completion verification - - Acceptance criteria validation - - Code quality checks - - Feature verification - - Security measures - - Complete coverage matrix - -## 📊 Asset Coverage - -All 5 required assets fully configured: - -| # | Asset | Code | Issuer | Decimals | Metadata | Icon | Logo | Status | -|---|-------|------|--------|----------|----------|------|------|--------| -| 1 | Stellar Lumens | XLM | Native | 7 | ✅ | ✅ | ✅ | ✅ | -| 2 | USD Coin | USDC | Circle | 6 | ✅ | ✅ | ✅ | ✅ | -| 3 | Nigerian Naira Token | NGNT | Stellar Org | 6 | ✅ | ✅ | ✅ | ✅ | -| 4 | Tether | USDT | Tether Ltd | 6 | ✅ | ✅ | ✅ | ✅ | -| 5 | Euro Token | EURT | Wirex | 6 | ✅ | ✅ | ✅ | ✅ | - -## 🎯 Acceptance Criteria Met - -- ✅ **All supported assets configured** - 5/5 assets fully configured -- ✅ **Asset details easily accessible** - Multiple lookup methods available -- ✅ **Can add new assets without code changes** - Extension pattern documented -- ✅ **Asset icons/logos available** - Trust Wallet URLs integrated for all 5 assets -- ✅ **Price feed integration works** - Complete framework with example implementation - -## 🚀 Quick Start for Users - -### 1. View Available Documentation - -```bash -# Complete developer guide -cat ASSET_MANAGEMENT.md - -# Quick reference for developers -cat ASSET_REFERENCE.md - -# How to integrate into contracts -cat ASSET_INTEGRATION_GUIDE.md - -# System architecture and diagrams -cat ARCHITECTURE.md - -# For project overview -cat IMPLEMENTATION_SUMMARY.md -``` - -### 2. Use the Asset System in Code - -```rust -use stellaraid_core::assets::{ - AssetResolver, MetadataRegistry, AssetValidator -}; - -// Resolve an asset -if let Some(usdc) = AssetResolver::resolve_by_code("USDC") { - println!("USDC: {} decimals", usdc.decimals); -} - -// Get metadata with icons -if let Some(meta) = MetadataRegistry::get_by_code("XLM") { - println!("Icon: {}", meta.visuals.icon_url); -} - -// Validate an asset -if let Ok(()) = AssetValidator::validate_complete(&asset) { - println!("Asset is valid!"); -} -``` - -### 3. Use JSON Configuration - -```bash -# For front-end displays -cat assets-config.json | jq '.assets[] | {code, name, visuals}' - -# For API responses -cat assets-config.json | jq '.assets' -``` - -## 📁 File Manifest - -### Source Code Files -``` -✅ crates/contracts/core/src/assets/mod.rs -✅ crates/contracts/core/src/assets/config.rs -✅ crates/contracts/core/src/assets/metadata.rs -✅ crates/contracts/core/src/assets/resolver.rs -✅ crates/contracts/core/src/assets/validation.rs -✅ crates/contracts/core/src/assets/price_feeds.rs -✅ crates/contracts/core/src/lib.rs (modified) -``` - -### Documentation Files -``` -✅ ASSET_MANAGEMENT.md (400+ lines) -✅ ASSET_REFERENCE.md (200+ lines) -✅ ASSET_INTEGRATION_GUIDE.md (300+ lines) -✅ README_ASSETS.md (300+ lines) -✅ IMPLEMENTATION_SUMMARY.md (400+ lines) -✅ ARCHITECTURE.md (400+ lines) -✅ VERIFICATION_CHECKLIST.md (300+ lines) -``` - -### Configuration & Examples -``` -✅ assets-config.json -✅ examples/asset_management.rs -``` - -## 🔑 Key Features Implemented - -### Type-Safe Asset Management -- ✅ Compile-time verification -- ✅ Zero unsafe code -- ✅ Memory safe operations - -### Comprehensive Asset Metadata -- ✅ Asset codes and issuers -- ✅ Decimal configurations -- ✅ Names and descriptions -- ✅ Organizations and websites -- ✅ Icon URLs (32x32) -- ✅ Logo URLs (high-res) -- ✅ Brand colors - -### Asset Resolution & Lookup -- ✅ O(1) resolution by code -- ✅ Support checking -- ✅ Code enumeration -- ✅ Metadata combining -- ✅ Asset count - -### Validation & Error Handling -- ✅ Support validation -- ✅ Code format checking -- ✅ Issuer validation -- ✅ Decimal verification -- ✅ Complete validation -- ✅ Detailed error types -- ✅ Safe error handling - -### Price Feed Integration -- ✅ Price data structures -- ✅ Conversion rate tracking -- ✅ Amount conversion -- ✅ Price freshness checks -- ✅ Price validation -- ✅ Oracle configuration -- ✅ Fallback oracle support - -## 🧪 Testing Coverage - -All modules include comprehensive tests: -- ✅ Config module tests -- ✅ Metadata module tests -- ✅ Resolver module tests -- ✅ Validation module tests -- ✅ Price feeds module tests -- ✅ Error handling tests -- ✅ Edge case tests - -## 📈 Code Quality Metrics - -- **Total Lines of Code**: 950+ (Rust modules) -- **Total Documentation**: 2800+ lines -- **Code Examples**: 50+ snippets -- **API Methods**: 30+ public methods -- **Type Definitions**: 15+ custom types -- **Error Types**: 7 detailed error variants -- **Test Cases**: 20+ comprehensive tests -- **Unsafe Code**: 0 (zero) - -## 🎓 Documentation - -### For Different Audiences - -**For Project Managers** -- Read: `IMPLEMENTATION_SUMMARY.md` -- Time: 5 minutes -- Gets: Overview of what was built - -**For Architects** -- Read: `ARCHITECTURE.md` -- Time: 15 minutes -- Gets: System design and components - -**For Developers Integrating** -- Read: `ASSET_INTEGRATION_GUIDE.md` -- Time: 20 minutes -- Gets: Practical integration patterns - -**For Developers Using the API** -- Read: `ASSET_REFERENCE.md` -- Time: 10 minutes -- Gets: Quick syntax reference - -**For Complete Understanding** -- Read: `ASSET_MANAGEMENT.md` -- Time: 30 minutes -- Gets: Complete API and patterns - -## 🔄 Integration Checklist - -For teams using this system: - -- [ ] Read the overview in `README_ASSETS.md` -- [ ] Review the architecture in `ARCHITECTURE.md` -- [ ] Check integration guide for patterns -- [ ] Review code examples in `examples/` -- [ ] Run tests to verify compilation -- [ ] Integrate into contract methods -- [ ] Add tests for your integrations -- [ ] Update your documentation - -## ⚡ Performance - -All operations are O(1): -- Asset resolution: Direct code lookup -- Validation: Fixed number of checks -- Metadata lookup: Hash-based matching -- Conversions: Single multiplication - -## 🔒 Security - -Comprehensive validation at every level: -- ✅ Issuer address validation (56-char Stellar accounts) -- ✅ Code format validation (3-12 alphanumeric) -- ✅ Decimal safety checks -- ✅ Price data validation -- ✅ Amount overflow protection -- ✅ No unsafe code -- ✅ Safe error handling - -## 📝 Next Steps - -### Phase 1: Review & Understanding -1. Review `README_ASSETS.md` for overview -2. Check `ARCHITECTURE.md` for design -3. Skim integration examples - -### Phase 2: Integration -1. Review `ASSET_INTEGRATION_GUIDE.md` -2. Add imports to contract code -3. Create validator functions -4. Update contract methods - -### Phase 3: Testing -1. Write integration tests -2. Test with sample assets -3. Verify through contract calls -4. Test with front-end integration - -### Phase 4: Deployment -1. Run full test suite -2. Deploy contract -3. Update documentation -4. Communicate with users - -## 🎁 Bonus Features - -Beyond core requirements: -- ✅ Comprehensive documentation (2800+ lines) -- ✅ Visual architecture diagrams -- ✅ 50+ code examples -- ✅ JSON configuration file -- ✅ Error handling patterns -- ✅ Performance analysis -- ✅ Security guidelines -- ✅ Extension guide -- ✅ Quick reference -- ✅ Integration guide - -## 📞 Support Resources - -1. **API Reference**: `ASSET_MANAGEMENT.md` -2. **Quick Help**: `ASSET_REFERENCE.md` -3. **Integration Help**: `ASSET_INTEGRATION_GUIDE.md` -4. **Architecture Help**: `ARCHITECTURE.md` -5. **Code Examples**: `examples/asset_management.rs` -6. **Configuration**: `assets-config.json` - -## ✨ Highlights - -- ✅ **Production Ready** - Comprehensive implementation with full testing -- ✅ **Well Documented** - 2800+ lines of documentation -- ✅ **Type Safe** - Compile-time verification, zero unsafe code -- ✅ **Performant** - O(1) operations throughout -- ✅ **Extensible** - Clear patterns for adding new assets -- ✅ **Secure** - Validation at every layer -- ✅ **Complete** - All requirements + bonus features - -## 📋 Acceptance Verification - -✅ All 5 acceptance criteria met: -1. ✅ All supported assets configured -2. ✅ Asset details easily accessible -3. ✅ Can add new assets without code changes -4. ✅ Asset icons/logos available -5. ✅ Price feed integration works - -✅ All features implemented: -- ✅ Asset configuration file -- ✅ Asset resolution utility -- ✅ Asset icon/logo mappings -- ✅ Asset price feed integration -- ✅ Asset trust line validation - -## 🏁 Status - -**✅ COMPLETE AND DELIVERED** - -All requirements met, all acceptance criteria satisfied, comprehensive documentation provided, production-ready code delivered. - ---- - -**Questions?** Review the relevant documentation file for your use case. -**Ready to integrate?** Start with `ASSET_INTEGRATION_GUIDE.md` -**Want overview?** Read `README_ASSETS.md` -**Need architecture?** Check `ARCHITECTURE.md` - -**Welcome to the Stellar Asset Management System! 🌟** diff --git a/DONATION_MODAL_INTEGRATION.md b/DONATION_MODAL_INTEGRATION.md deleted file mode 100644 index a000851..0000000 --- a/DONATION_MODAL_INTEGRATION.md +++ /dev/null @@ -1,722 +0,0 @@ -# Fee Integration Guide for Donation Modal - -## Overview - -This guide shows how to integrate the fee estimation service into your donation modal, confirmation screens, and wallet UI. - -## Architecture Integration - -``` -┌─────────────────────────────────────────┐ -│ Donation Modal (UI) │ -│ ┌─────────────────────────────────┐ │ -│ │ Donation Amount Input │ │ -│ └─────────────────────────────────┘ │ -│ ┌─────────────────────────────────┐ │ -│ │ Network Fee Display (FEE) │◄──┤── FeeEstimationService -│ │ "0.00002 XLM ($0.000005)" │ │ -│ └─────────────────────────────────┘ │ -│ ┌─────────────────────────────────┐ │ -│ │ Total Cost │ │ -│ │ = Donation + Fee │ │ -│ └─────────────────────────────────┘ │ -│ ┌─────────────────────────────────┐ │ -│ │ [Confirm] [Cancel] │ │ -│ └─────────────────────────────────┘ │ -└─────────────────────────────────────────┘ - │ - ▼ - ┌──────────────────┐ - │ FeeEstimation │ - │ Service │ - │ - Surge detect │ - │ - Cache (5min) │ - │ - Currency conv │ - │ - History track │ - └──────────────────┘ - │ - ▼ - [ Horizon API ] -``` - -## Step 1: Initialize Service - -### Rust Backend - -```rust -use fee::FeeEstimationService; - -// In your service initialization -pub struct DonationService { - fee_service: FeeEstimationService, - // ... other fields -} - -impl DonationService { - pub fn new() -> Self { - // Create service for public Horizon - let fee_service = FeeEstimationService::public_horizon(); - - Self { - fee_service, - // ... initialize other fields - } - } -} -``` - -## Step 2: Set Exchange Rates - -### Update Exchange Rates Periodically - -```rust -use fee::Currency; - -// In your price feed module -pub async fn update_exchange_rates( - donation_service: &DonationService, -) -> Result<()> { - // Fetch from your price provider - let rates = fetch_current_rates().await?; - - // Update service rates - for (currency, rate) in rates { - donation_service - .fee_service - .set_exchange_rate(Currency::XLM, currency, rate) - .await?; - } - - Ok(()) -} - -async fn fetch_current_rates() -> Result> { - // Example: fetch from an oracle or API - Ok(vec![ - (Currency::USD, 0.25), - (Currency::EUR, 0.23), - (Currency::GBP, 0.20), - ]) -} -``` - -## Step 3: Calculate Fees in Modal - -### API Endpoint for Fee Estimates - -```rust -use fee::Currency; -use serde::{Deserialize, Serialize}; - -#[derive(Serialize)] -pub struct FeeEstimateResponse { - pub fee_xlm: f64, - pub fee_converted: f64, - pub currency: String, - pub is_surging: bool, - pub surge_level: Option, - pub total_cost_xlm: f64, - pub cache_age_seconds: Option, -} - -#[derive(Deserialize)] -pub struct FeeEstimateRequest { - pub donation_amount: f64, - pub operation_count: u32, - pub target_currency: String, -} - -pub async fn estimate_donation_fee( - donation_service: &DonationService, - req: FeeEstimateRequest, -) -> Result { - // Parse target currency - let currency = Currency::from_code(&req.target_currency)?; - - // Estimate fee (2 operations: payment + contract invoke) - let (fee_info, fee_converted) = donation_service - .fee_service - .estimate_fee_in_currency(req.operation_count, currency) - .await?; - - // Get cache metadata - let cache_metadata = donation_service - .fee_service - .get_cache_metadata() - .await; - - // Build response - Ok(FeeEstimateResponse { - fee_xlm: fee_info.total_fee_xlm, - fee_converted, - currency: currency.code().to_string(), - is_surging: fee_info.is_surge_pricing, - surge_level: if fee_info.is_surge_pricing { - Some(format!("{}%", fee_info.surge_percent as i64)) - } else { - None - }, - total_cost_xlm: req.donation_amount + fee_info.total_fee_xlm, - cache_age_seconds: cache_metadata.map(|m| m.age_seconds), - }) -} -``` - -## Step 4: Frontend Display - -### React/Vue Component Example - -```jsx -// DonationModal.jsx -import { useState, useEffect } from 'react'; - -export function DonationModal({ userBalance, preferredCurrency }) { - const [amount, setAmount] = useState(''); - const [feeEstimate, setFeeEstimate] = useState(null); - const [loading, setLoading] = useState(false); - const [error, setError] = useState(null); - - // Fetch fee estimate whenever amount changes - useEffect(() => { - if (!amount || parseFloat(amount) <= 0) { - setFeeEstimate(null); - return; - } - - const fetchFee = async () => { - setLoading(true); - setError(null); - try { - const response = await fetch('/api/estimate-fee', { - method: 'POST', - headers: { 'Content-Type': 'application/json' }, - body: JSON.stringify({ - donation_amount: parseFloat(amount), - operation_count: 2, // Payment + contract invoke - target_currency: preferredCurrency || 'USD', - }), - }); - - if (!response.ok) { - throw new Error('Fee estimation failed'); - } - - const data = await response.json(); - setFeeEstimate(data); - } catch (err) { - setError('Unable to fetch fee'); - console.error(err); - } finally { - setLoading(false); - } - }; - - // Debounce API calls - const timer = setTimeout(fetchFee, 300); - return () => clearTimeout(timer); - }, [amount, preferredCurrency]); - - const canAfford = feeEstimate && parseFloat(amount) + feeEstimate.total_cost_xlm <= userBalance; - - return ( -
-

Donate to StellarAid

- - {/* Input Section */} -
- - setAmount(e.target.value)} - placeholder="0.00" - /> -
- - {/* Fee Display */} - {feeEstimate && ( -
-
- Network Fee - {feeEstimate.is_surging && ( - ⚠️ SURGE - )} -
- - {/* Fee Breakdown */} -
-
- Fee (XLM) - {feeEstimate.fee_xlm.toFixed(8)} -
- -
- Fee ({feeEstimate.currency}) - - {formatCurrency(feeEstimate.fee_converted, feeEstimate.currency)} - -
- - {/* Surge Pricing Alert */} - {feeEstimate.is_surging && ( -
-

Network is experiencing high congestion.

-

Fees are {feeEstimate.surge_level} above normal.

-

💡 Consider waiting if not urgent

-
- )} - - {/* Cache Age Notice */} - {feeEstimate.cache_age_seconds !== null && ( -
- {feeEstimate.cache_age_seconds < 60 - ? 'Updated just now' - : `Updated ${Math.floor(feeEstimate.cache_age_seconds / 60)}m ago`} -
- )} -
- -
- - {/* Total Cost */} -
- Your Cost - - {amount} + {feeEstimate.fee_xlm.toFixed(8)} = {feeEstimate.total_cost_xlm.toFixed(8)} XLM - - - Wallet Balance: {userBalance.toFixed(8)} XLM - -
-
- )} - - {/* Error State */} - {error &&
{error}
} - - {/* Loading State */} - {loading &&
Calculating fee...
} - - {/* Buttons */} -
- - -
-
- ); -} - -function formatCurrency(amount, currency) { - const symbols = { - USD: '$', - EUR: '€', - GBP: '£', - JPY: '¥', - }; - return `${symbols[currency] || currency} ${amount.toFixed(6)}`; -} -``` - -## Step 5: Surge Pricing Handling - -### Display Surge Warnings - -```rust -pub fn get_surge_warning(fee_info: &FeeInfo) -> Option { - if !fee_info.is_surge_pricing { - return None; - } - - let surge_percent = fee_info.surge_percent as i64 - 100; - - if surge_percent > 300 { - Some(format!( - "🔴 CRITICAL SURGE: Fees are {}% higher than normal. \ - Consider waiting if possible.", - surge_percent - )) - } else if surge_percent > 100 { - Some(format!( - "🟡 HIGH SURGE: Fees are {}% higher than normal. \ - Proceed with caution.", - surge_percent - )) - } else { - Some(format!( - "🟠 ELEVATED: Fees are {}% higher than normal.", - surge_percent - )) - } -} -``` - -## Step 6: Confirmation Screen - -### Display Fee Summary Before Signing - -```rust -pub struct DonationConfirmation { - pub donation_amount: f64, - pub network_fee_xlm: f64, - pub total_xlm: f64, - pub converted_donation: f64, - pub converted_fee: f64, - pub converted_total: f64, - pub currency: String, - pub recipient: String, - pub surge_warning: Option, -} - -pub async fn prepare_confirmation( - donation_service: &DonationService, - donation_amount: f64, - currency: Currency, - recipient: String, -) -> Result { - // Estimate fee (2 operations) - let (fee_info, converted_fee) = donation_service - .fee_service - .estimate_fee_in_currency(2, currency) - .await?; - - // Convert donation amount to display currency - let converted_donation = donation_service - .fee_service - .converter // Would need to expose this - .convert_xlm_fee(donation_amount, currency)?; - - // Get surge warning - let surge_warning = get_surge_warning(&fee_info); - - Ok(DonationConfirmation { - donation_amount, - network_fee_xlm: fee_info.total_fee_xlm, - total_xlm: donation_amount + fee_info.total_fee_xlm, - converted_donation, - converted_fee, - converted_total: converted_donation + converted_fee, - currency: currency.code().to_string(), - recipient, - surge_warning, - }) -} -``` - -## Step 7: Health Monitoring - -### Monitor Horizon Availability - -```rust -pub async fn monitor_horizon_health( - donation_service: &DonationService, -) -> Result { - // Check if Horizon is available - match donation_service.fee_service.estimate_fee(1).await { - Ok(_) => Ok("✅ Network is healthy".to_string()), - Err(FeeError::Timeout) => { - Ok("⚠️ Horizon request timed out (using cached fee)".to_string()) - } - Err(FeeError::HorizonUnavailable(_)) => { - Err("❌ Horizon is unavailable. Please try again later.") - } - Err(e) => Err(format!("Fee service error: {}", e)), - } -} -``` - -## Step 8: Error Handling - -### Graceful Fallback Strategy - -```rust -pub async fn estimate_fee_with_fallback( - donation_service: &DonationService, - operation_count: u32, - currency: Currency, -) -> Result<(FeeInfo, f64)> { - match donation_service - .fee_service - .estimate_fee_in_currency(operation_count, currency) - .await - { - Ok((info, converted)) => Ok((info, converted)), - - Err(FeeError::Timeout) => { - log::warn!("Fee estimation timed out, using cached value"); - // Use last known fee from cache - match donation_service.fee_service.estimate_fee(operation_count).await { - Ok(info) => Ok((info, 0.0)), // Return XLM only - Err(e) => Err(e.into()), - } - } - - Err(FeeError::HorizonUnavailable(_)) => { - log::error!("Horizon unavailable, using standard fee"); - // Use standard fee (100 stroops per operation) - let standard_fee = FeeInfo::new(100, operation_count, false, 100.0)?; - Ok((standard_fee, 0.0)) - } - - Err(e) => Err(e.into()), - } -} -``` - -## CSS Styling - -### Donation Modal Styles - -```css -.donation-modal { - max-width: 500px; - padding: 2rem; - border-radius: 8px; - box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); - font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; -} - -.input-section { - margin-bottom: 2rem; -} - -.input-section input { - width: 100%; - padding: 0.75rem; - font-size: 1rem; - border: 2px solid #e0e0e0; - border-radius: 4px; - transition: border-color 0.2s; -} - -.input-section input:focus { - outline: none; - border-color: #007bff; -} - -.fee-section { - background: #f5f5f5; - padding: 1rem; - border-radius: 6px; - margin-bottom: 1.5rem; - border-left: 4px solid #007bff; -} - -.fee-section.warning { - border-left-color: #ff9800; - background: #fff3e0; -} - -.fee-header { - display: flex; - justify-content: space-between; - align-items: center; - font-weight: 600; - margin-bottom: 1rem; - font-size: 0.95rem; -} - -.surge-badge { - background: #ff9800; - color: white; - padding: 0.25rem 0.75rem; - border-radius: 20px; - font-size: 0.8rem; - font-weight: bold; -} - -.fee-breakdown { - font-size: 0.9rem; -} - -.fee-row { - display: flex; - justify-content: space-between; - padding: 0.5rem 0; - border-bottom: 1px solid #e0e0e0; -} - -.fee-row:last-child { - border-bottom: none; -} - -.fee-row .label { - color: #666; -} - -.fee-row .value { - font-weight: 600; - color: #333; - font-family: 'Monaco', 'Courier New', monospace; -} - -.surge-alert { - background: #fff3e0; - border: 1px solid #ff9800; - padding: 0.75rem; - border-radius: 4px; - margin-top: 1rem; - font-size: 0.85rem; - color: #e65100; -} - -.surge-alert p { - margin: 0.25rem 0; -} - -.surge-alert .tip { - font-weight: 600; - margin-top: 0.5rem; -} - -.cache-notice { - font-size: 0.75rem; - color: #999; - margin-top: 0.5rem; - text-align: right; -} - -.fee-divider { - height: 2px; - background: #ddd; - margin: 1rem 0; -} - -.total-cost { - text-align: right; -} - -.total-cost .label { - display: block; - font-size: 0.85rem; - color: #666; - margin-bottom: 0.25rem; -} - -.total-cost .amount { - display: block; - font-size: 1.2rem; - font-weight: bold; - color: #333; - font-family: 'Monaco', 'Courier New', monospace; - margin-bottom: 0.5rem; -} - -.total-cost .balance { - display: block; - font-size: 0.85rem; - color: #999; -} - -.button-group { - display: flex; - gap: 1rem; - margin-top: 2rem; -} - -.confirm-btn, .cancel-btn { - flex: 1; - padding: 0.75rem; - font-size: 1rem; - border: none; - border-radius: 4px; - font-weight: 600; - cursor: pointer; - transition: all 0.2s; -} - -.confirm-btn { - background: #007bff; - color: white; -} - -.confirm-btn:hover:not(:disabled) { - background: #0056b3; -} - -.confirm-btn:disabled { - background: #ccc; - cursor: not-allowed; - opacity: 0.6; -} - -.cancel-btn { - background: #f0f0f0; - color: #333; -} - -.cancel-btn:hover { - background: #e0e0e0; -} - -.error-message { - background: #ffebee; - color: #c62828; - padding: 0.75rem; - border-radius: 4px; - margin-bottom: 1rem; - font-size: 0.9rem; -} - -.loading { - text-align: center; - color: #999; - padding: 1rem; - font-size: 0.9rem; -} -``` - -## Testing Integration - -### Integration Test Example - -```rust -#[tokio::test] -async fn test_donation_with_fee_estimate() { - let donation_service = DonationService::new(); - - // Set exchange rate - donation_service - .fee_service - .set_exchange_rate(Currency::XLM, Currency::USD, 0.25) - .await - .unwrap(); - - // Estimate fee for 2-operation donation - let (fee_info, fee_usd) = donation_service - .fee_service - .estimate_fee_in_currency(2, Currency::USD) - .await - .unwrap(); - - // Verify - assert_eq!(fee_info.operation_count, 2); - assert_eq!(fee_info.total_fee_xlm, 0.00002); - assert!((fee_usd - 0.000005).abs() < 0.000001); - assert!(!fee_info.is_surge_pricing); -} -``` - -## Deployment Checklist - -- ✅ Fee service initialized at startup -- ✅ Exchange rates updated periodically -- ✅ Fee estimation API endpoint created -- ✅ Modal component integrated -- ✅ Surge pricing warnings displayed -- ✅ Error handling implemented -- ✅ Fallback to cached fees -- ✅ CSS styling applied -- ✅ Tests passing -- ✅ Monitoring in place - ---- - -**Ready to deploy!** 🚀 diff --git a/FEE_CHECKLIST.md b/FEE_CHECKLIST.md deleted file mode 100644 index 9f8794f..0000000 --- a/FEE_CHECKLIST.md +++ /dev/null @@ -1,334 +0,0 @@ -# Fee Estimation Implementation - Final Checklist - -## Complete Implementation Status - -### ✅ Core Architecture (8 Modules) - -#### Error Handling -- [x] `fee/error.rs` - 11 error types with Display trait - - HorizonUnavailable, InvalidFeeValue, CurrencyConversionFailed - - InvalidCurrency, CacheUnavailable, InvalidOperationCount - - NetworkError, ParseError, InvalidConfig, Timeout, Other - -#### Fee Calculation -- [x] `fee/calculator.rs` - Core fee math - - `FeeInfo` struct with surge pricing metadata - - `FeeConfig` for customization - - Stroops ↔ XLM conversion functions - - Base fee: 100 stroops = 0.00001 XLM - - 1 XLM = 10,000,000 stroops - - Linear scaling: fee = base_fee × operation_count - -#### Surge Pricing Detection -- [x] `fee/surge_pricing.rs` - Network congestion detection - - 4 pricing levels: Normal, Elevated, High, Critical - - Fee trend analysis: Increasing, Stable, Decreasing - - `SurgePricingAnalyzer` with history window - - User-friendly recommendations - - Thresholds: 100%, 150%, 300% - -#### Fee Cache -- [x] `fee/cache.rs` - TTL-based caching - - 5-minute default TTL (300 seconds) - - Configurable TTL support - - Validity checking - - Metadata tracking - - Manual cache clearing - -#### Currency Conversion -- [x] `fee/currency.rs` - Multi-currency support - - 10 supported currencies: - - Cryptocurrencies: XLM - - Fiat: USD, EUR, GBP, JPY, CNY, INR, BRL, AUD, CAD - - `CurrencyConverter` with exchange rates - - `FormattedAmount` for UI display - - Safe conversion with error handling - -#### Fee History -- [x] `fee/history.rs` - Historical tracking & analytics - - Configurable record storage (default 1000) - - `FeeStats`: min, max, avg, median, std dev - - Fee trend analysis - - Time-window queries - - Statistical calculations - -#### Horizon Integration -- [x] `fee/horizon_fetcher.rs` - Stellar API integration - - Public Horizon support (https://horizon.stellar.org) - - Custom server support - - Configurable timeout (default 30 seconds) - - JSON response parsing - - Error classification - -#### Main Service -- [x] `fee/service.rs` - Orchestrator - - `FeeEstimationService` - main public API - - `FeeServiceConfig` - configuration - - Integrates all components - - Async/await with tokio - - Rate limiting support - - Batch operations - -#### Module Aggregation -- [x] `fee/mod.rs` - Public API exports - - All types re-exported - - Constants namespace - - Documentation - -### ✅ Testing (104+ Tests) - -#### Unit Tests -- [x] Error type tests (5 tests) -- [x] Calculator tests (12 tests) -- [x] Surge pricing tests (11 tests) -- [x] Cache tests (8 tests) -- [x] Currency conversion tests (13 tests) -- [x] History tracking tests (10 tests) -- [x] Horizon fetcher tests (8 tests) -- [x] Service tests (6 tests) - -#### Integration Tests -- [x] Fee calculation workflows (8 tests) -- [x] Surge pricing workflows (3 tests) -- [x] Multi-currency workflows (1 test) -- [x] Batch operations (1 test) -- [x] End-to-end scenarios (2 tests) -- [x] Naming and serialization (3 tests) - -**Total: 104+ tests across all modules** - -### ✅ Documentation (1400+ Lines) - -#### API Documentation -- [x] `FEE_ESTIMATION.md` (600+ lines) - - Architecture overview - - Component descriptions - - Fee calculation logic with examples - - Surge pricing explanation - - Configuration guide - - Error handling patterns - - Performance characteristics - - Troubleshooting section - - API reference - - 5 detailed examples - -#### Integration Guide -- [x] `DONATION_MODAL_INTEGRATION.md` (400+ lines) - - Architecture diagram - - Step-by-step integration - - React/Vue component example - - Backend API endpoints - - Frontend styling (CSS) - - Error handling strategies - - Fallback mechanisms - - Health monitoring - - Testing examples - - Deployment checklist - -#### Implementation Summary -- [x] `FEE_SUMMARY.md` (400+ lines) - - Complete feature list - - Acceptance criteria fulfillment - - Technical features - - Code metrics - - Usage examples - - Dependencies - - Integration points - - Verification checklist - -#### Project Integration -- [x] `README.md` - Updated with - - Fee estimation system overview - - Features description - - Quick start example - - Valid links to documentation - -### ✅ Code Quality - -#### Structure -- [x] Proper Rust module organization -- [x] Clear separation of concerns -- [x] No monolithic files -- [x] Logical grouping of related functionality - -#### Testing -- [x] Unit tests in each module -- [x] Integration tests in tests/ directory -- [x] Edge case coverage -- [x] Error path testing -- [x] Example code testing - -#### Documentation -- [x] Module-level documentation -- [x] Function documentation -- [x] Example code in docs -- [x] Comprehensive guides -- [x] API reference - -#### Type Safety -- [x] Custom error type (FeeError) -- [x] Result return types -- [x] No unwrap() in production code -- [x] Proper error propagation - -### ✅ Acceptance Criteria - -| Criterion | Implementation | Evidence | -|-----------|-----------------|----------| -| Accurate fee estimates | ✅ | calculator.rs: FeeInfo with test coverage | -| Fees update based on network conditions | ✅ | horizon_fetcher.rs: real-time fetching + surge_pricing.rs detection | -| Users see fees before confirming | ✅ | service.rs: estimate_fee_in_currency() API | -| Fees converted to display currency | ✅ | currency.rs: 10 currencies + FormattedAmount | -| Surge pricing detected and shown | ✅ | surge_pricing.rs: 4-level detection + recommendations | - -### ✅ Feature Completeness - -| Feature | Status | Details | -|---------|--------|---------| -| Fee calculation service | ✅ | FeeEstimationService, 50+ methods | -| Fetch current base fee | ✅ | HorizonFeeFetcher.fetch_base_fee() | -| Calculate fee from operation count | ✅ | calculate_fee(base_fee, op_count) | -| Surge pricing detection | ✅ | SurgePricingAnalyzer with 4 levels | -| Fee to currency conversion | ✅ | CurrencyConverter for 10 currencies | -| Display fees in modal | ✅ | Integration guide + examples | -| Cache fee data (5min TTL) | ✅ | FeeCache with configurable TTL | -| Handle fee spikes gracefully | ✅ | surge_pricing.rs + error handling | -| Fee history tracking | ✅ | FeeHistory with FeeStats | -| Documentation | ✅ | 1400+ lines across 4 documents | - -### ✅ Stellar Fee Information - -| Item | Value | Evidence | -|------|-------|----------| -| Base fee | 100 stroops | calculator.rs: BASE_FEE_STROOPS constant | -| XLM value | 0.00001 XLM | calculator.rs: BASE_FEE_XLM constant | -| Conversion | 10,000,000 stroops/XLM | calculator.rs: STROOPS_PER_XLM constant | -| Cache TTL | 300 seconds (5 min) | cache.rs: DEFAULT_CACHE_TTL_SECS | - -### ✅ Dependencies - -```toml -# In crates/tools/Cargo.toml -chrono = { version = "0.4", features = ["serde"] } -serde = { version = "1.0", features = ["derive"] } -serde_json = "1.0" -log = "0.4" -reqwest = { version = "0.12", features = ["json"] } -tokio = { version = "1", features = ["full"] } -governor = "0.10" -moka = { version = "0.12", features = ["future"] } -uuid = { version = "1.0", features = ["v4", "serde"] } -futures = "0.3" -rand = "0.8" -``` - -All dependencies specified with versions and required features. - -### ✅ File Structure Created - -``` -crates/tools/src/ -├── fee/ -│ ├── mod.rs (55 lines - module aggregation) -│ ├── error.rs (140 lines - error types) -│ ├── calculator.rs (400+ lines - fee math) -│ ├── surge_pricing.rs (380+ lines - surge detection) -│ ├── cache.rs (250+ lines - TTL cache) -│ ├── currency.rs (400+ lines - currency conversion) -│ ├── history.rs (350+ lines - fee history) -│ ├── horizon_fetcher.rs (200+ lines - Horizon API) -│ └── service.rs (400+ lines - main service) -└── main.rs (1 line added - module declaration) - -crates/tools/tests/ -└── fee_integration_tests.rs (350+ lines - 34 integration tests) - -Project root/ -├── README.md (Updated with fee info) -├── FEE_ESTIMATION.md (600+ lines - comprehensive guide) -├── DONATION_MODAL_INTEGRATION.md (400+ lines - integration guide) -└── FEE_SUMMARY.md (400+ lines - implementation summary) -``` - -**Total: 2500+ lines of implementation code + 1400+ lines of documentation** - -## Deployment Readiness Checklist - -- [x] All modules implemented -- [x] 104+ tests passing -- [x] Error handling complete -- [x] Memory safe (no unsafe code) -- [x] Type safe APIs -- [x] Async/await ready -- [x] Configurable for any Horizon instance -- [x] Thread-safe with Arc/RwLock -- [x] Comprehensive documentation -- [x] Integration examples provided -- [x] CSS styling provided -- [x] Error fallback strategies documented - -## Key Metrics - -| Metric | Value | -|--------|-------| -| Total Modules | 8 | -| Total Tests | 104+ | -| Test Coverage | 100% of modules | -| Lines of Code | 2500+ | -| Documentation Lines | 1400+ | -| Supported Currencies | 10 | -| Error Types | 11 | -| Surge Pricing Levels | 4 | -| API Methods | 50+ | -| Configuration Options | 15+ | - -## Integration Points - -1. ✅ **Donation Modal** - Display fees before confirmation -2. ✅ **Wallet Service** - Calculate total transaction cost -3. ✅ **CLI Tools** - Fee estimation commands -4. ✅ **API Endpoints** - RESTful fee estimation service -5. ✅ **History Tracking** - Analytics and trend detection -6. ✅ **Health Monitoring** - Horizon availability checks - -## Next Steps for Integration - -1. Add fee API endpoints to your backend -2. Update donation modal to call fee endpoints -3. Set exchange rate feeds (consider oracle integration) -4. Add CLI commands for fee operations -5. Monitor Horizon health in production -6. Collect fees analytics for optimization - -## Production Deployment - -The fee estimation service is fully production-ready: - -- ✅ All features implemented -- ✅ Comprehensive error handling -- ✅ Extensive test coverage -- ✅ Full documentation -- ✅ Performance optimized -- ✅ Type safe -- ✅ Memory safe -- ✅ Async-ready - -## Summary - -Successfully implemented a **complete, production-ready fee estimation utility** for Stellar donations with: - -- **8 specialized modules** providing all functionality -- **104+ tests** ensuring reliability -- **1400+ lines** of documentation -- **50+ public APIs** for flexibility -- **10 supported currencies** for global use -- **Full error handling** for robustness - -The system is ready for immediate integration into the donation modal and wallet UI. - ---- - -**Status:** ✅ COMPLETE AND PRODUCTION-READY -**Date:** February 26, 2026 -**Test Coverage:** 100% -**Documentation:** Comprehensive diff --git a/FEE_ESTIMATION.md b/FEE_ESTIMATION.md deleted file mode 100644 index 4deffa8..0000000 --- a/FEE_ESTIMATION.md +++ /dev/null @@ -1,599 +0,0 @@ -# Fee Estimation Service Documentation - -## Overview - -The Fee Estimation Service provides comprehensive utilities for managing Stellar transaction fees. It handles fee calculation, surge pricing detection, currency conversion, caching, and historical tracking. - -### Acceptance Criteria Fulfillment - -- ✅ Accurate fee estimates provided -- ✅ Fees update based on network conditions -- ✅ Users see fees before confirming transactions -- ✅ Fees converted to display currency -- ✅ Surge pricing detected and shown - -## Architecture - -### Core Components - -#### 1. Fee Estimation Service (`service.rs`) -Main orchestrator that integrates all fee management features. - -**Key Features:** -- Fetches current base fees from Stellar Horizon -- Caches fees with 5-minute TTL (configurable) -- Detects surge pricing automatically -- Converts fees to user's preferred currency -- Tracks fee history for analysis - -**Public API:** -```rust -// Create service for public Horizon -let service = FeeEstimationService::public_horizon(); - -// Estimate fee for operations -let fee_info = service.estimate_fee(operation_count).await?; - -// Estimate with currency conversion -let (fee_info, converted) = service.estimate_fee_in_currency( - operation_count, - Currency::USD -).await?; - -// Get fee statistics -let stats = service.get_fee_stats().await; -``` - -#### 2. Fee Calculator (`calculator.rs`) -Handles fee calculations and conversions. - -**Key Constants:** -- Base fee: **100 stroops** (0.00001 XLM) -- 1 XLM = **10,000,000 stroops** -- Fee = base_fee × operation_count - -**Examples:** -```rust -use fee::calculator::*; - -// Single operation -let fee = calculate_fee(100, 1)?; // 100 stroops -let xlm = stroops_to_xlm(100); // 0.00001 XLM - -// Multiple operations (5 ops) -let fee = calculate_fee(100, 5)?; // 500 stroops -let xlm = stroops_to_xlm(500); // 0.00005 XLM -``` - -#### 3. Surge Pricing Detector (`surge_pricing.rs`) -Identifies network congestion and fee spikes. - -**Surge Levels:** -- **Normal** (0-100%): Network fee is at baseline -- **Elevated** (100-150%): Slight congestion, fees up 0-50% -- **High** (150-300%): Moderate congestion, fees up 50-200% -- **Critical** (>300%): Severe congestion, fees >200% above normal - -**Example:** -```rust -use fee::surge_pricing::*; - -let config = SurgePricingConfig::default(); -let mut analyzer = SurgePricingAnalyzer::new(config); - -let analysis = analyzer.analyze(250)?; // 250 stroops base fee -println!("Surge level: {}", analysis.surge_level.name()); // "High" -println!("Surge percent: {}%", analysis.surge_percent); // 250% -println!("Recommendation: {}", analysis.recommendation); -// Output: "Network is congested. Consider waiting if not urgent." -``` - -#### 4. Fee Cache (`cache.rs`) -Manages fee caching with TTL support (default: 5 minutes). - -**Cache Strategy:** -- Fetches from Horizon only when cache expires -- Reduces API calls and improves performance -- Configurable TTL (300 seconds default) - -**Example:** -```rust -use fee::cache::*; - -let mut cache = FeeCache::default_ttl(); -cache.set(100)?; // Store fee - -if let Some(fee) = cache.get() { - println!("Cached fee: {}", fee); -} - -let metadata = cache.metadata(); -println!("Cache expires in: {}s", metadata.time_until_expiration); -``` - -#### 5. Currency Converter (`currency.rs`) -Converts fees between XLM and fiat currencies. - -**Supported Currencies:** -- **Cryptocurrencies**: XLM -- **Major Fiat**: USD, EUR, GBP, JPY - -**Example:** -```rust -use fee::currency::*; - -let mut converter = CurrencyConverter::new(); - -// Set exchange rate (1 XLM = 0.25 USD) -converter.set_rate(Currency::XLM, Currency::USD, 0.25)?; - -// Convert fee -let usd_amount = converter.convert_xlm_fee(1.0, Currency::USD)?; -println!("Fee in USD: {}", usd_amount); // 0.25 - -// Format for display -let formatted = FormattedAmount::new(0.25, Currency::USD); -println!("{}", formatted.to_string_precision(2)); // "$ 0.25" -``` - -#### 6. Fee History Tracker (`history.rs`) -Maintains historical fee records for analysis. - -**Features:** -- Tracks up to 1000 fee observations (configurable) -- Calculates statistics (min, max, avg, median, std dev) -- Analyzes fee trends -- Detects maximum fee changes - -**Example:** -```rust -use fee::history::*; - -let mut history = FeeHistory::default_capacity(); -history.add(100, "Horizon".to_string())?; -history.add(150, "Horizon".to_string())?; -history.add(200, "Horizon".to_string())?; - -let stats = history.stats().unwrap(); -println!("Min: {}", stats.min_fee); // 100 -println!("Max: {}", stats.max_fee); // 200 -println!("Average: {:.0}", stats.avg_fee); // 150 -println!("Median: {}", stats.median_fee); // 150 - -// Calculate max change over last hour -let change_percent = history.max_change_percent(3600); -println!("Max change in 1h: {}%", change_percent); -``` - -#### 7. Horizon Fee Fetcher (`horizon_fetcher.rs`) -Fetches current base fees from Stellar Horizon API. - -**Endpoints:** -- Public Horizon: `https://horizon.stellar.org` -- Custom servers supported - -**Example:** -```rust -use fee::horizon_fetcher::*; - -let fetcher = HorizonFeeFetcher::public_horizon(); -let base_fee = fetcher.fetch_base_fee().await?; -println!("Current base fee: {} stroops", base_fee); -``` - -## Fee Calculation Logic - -### Basic Formula - -``` -total_fee = base_fee × operation_count -``` - -Where: -- `base_fee` = current network base fee in stroops (typically 100) -- `operation_count` = number of operations in the transaction - -### Multi-Currency Support - -1. **Calculate base fee in stroops**: Formula above -2. **Convert to XLM**: `fee_stroops ÷ 10,000,000` -3. **Apply exchange rate**: `fee_xlm × exchange_rate` - -### Example Calculation - -**Scenario:** 2-operation donation with 1 XLM = $0.25 USD rate - -``` -Step 1: Calculate stroops - total_fee = 100 stroops/op × 2 ops = 200 stroops - -Step 2: Convert to XLM - fee_xlm = 200 ÷ 10,000,000 = 0.00002 XLM - -Step 3: Convert to USD - fee_usd = 0.00002 × 0.25 = 0.000005 USD - -Display: "$0.000005" or "0.00002 XLM" -``` - -### Surge Pricing Calculation - -``` -surge_percent = (current_base_fee / normal_base_fee) × 100 - -Where: - normal_base_fee = 100 (typical) - current_base_fee = fee observed from Horizon -``` - -**Examples:** -- 100 stroops → 100% (normal) -- 150 stroops → 150% (50% surge) -- 250 stroops → 250% (150% surge) -- 500 stroops → 500% (400% surge) - -## Integration Guide - -### Basic Usage - -```rust -use fee::{FeeEstimationService, Currency}; - -#[tokio::main] -async fn main() -> anyhow::Result<()> { - // Create service - let service = FeeEstimationService::public_horizon(); - - // Estimate fee for 3-operation transaction - let fee_info = service.estimate_fee(3).await?; - - println!("Fee: {} XLM", fee_info.total_fee_xlm); - println!("Fee in stroops: {}", fee_info.total_fee_stroops); - - // Check for surge pricing - if fee_info.is_surge_pricing { - println!("⚠️ Network surging at {}%!", fee_info.surge_percent as i64); - } - - Ok(()) -} -``` - -### With Currency Conversion - -```rust -use fee::{FeeEstimationService, Currency}; - -let service = FeeEstimationService::public_horizon(); - -// Set exchange rate (1 XLM = $0.25) -service.set_exchange_rate( - Currency::XLM, - Currency::USD, - 0.25, -).await?; - -// Get fee in USD -let (fee_info, usd_amount) = service - .estimate_fee_in_currency(2, Currency::USD) - .await?; - -println!("Fee: ${}", usd_amount); -``` - -### Display in UI - -```rust -// For donation confirmation modal -let fee_info = service.estimate_fee(operation_count).await?; - -let fee_display = if fee_info.is_surge_pricing { - format!( - "Network Fee: {:.6} XLM (⚠️ +{}% surge)", - fee_info.total_fee_xlm, - (fee_info.surge_percent - 100.0) as i64 - ) -} else { - format!("Network Fee: {:.6} XLM", fee_info.total_fee_xlm) -}; - -println!("{}", fee_display); -``` - -## Configuration - -### Default Configuration - -```rust -use fee::service::FeeServiceConfig; - -let config = FeeServiceConfig::default(); -// horizon_url: "https://horizon.stellar.org" -// cache_ttl_secs: 300 (5 minutes) -// fetch_timeout_secs: 30 -// max_history_records: 1000 -// enable_surge_detection: true -``` - -### Custom Configuration - -```rust -let config = FeeServiceConfig { - horizon_url: "https://my-horizon.example.com".to_string(), - cache_ttl_secs: 600, // 10 minutes - fetch_timeout_secs: 60, - max_history_records: 5000, - enable_surge_detection: true, -}; - -let service = FeeEstimationService::new(config); -``` - -## Error Handling - -### Error Types - -```rust -pub enum FeeError { - HorizonUnavailable(String), // Network unreachable - InvalidFeeValue(String), // Fee < 0 or invalid - CurrencyConversionFailed(String), // No exchange rate - InvalidCurrency(String), // Unknown currency - CacheUnavailable(String), // Cache error - InvalidOperationCount(String), // Op count = 0 - NetworkError(String), // Network issues - ParseError(String), // JSON parsing failed - InvalidConfig(String), // Config problem - Timeout, // Horizon timeout - Other(String), -} -``` - -### Error Handling Example - -```rust -match service.estimate_fee(operation_count).await { - Ok(fee_info) => { - println!("Fee: {}", fee_info.total_fee_xlm); - } - Err(FeeError::Timeout) => { - println!("Horizon request timed out, using cached fee"); - // Fall back to cached fee - } - Err(FeeError::HorizonUnavailable(_)) => { - println!("Horizon unavailable, using last known fee"); - // Fall back to previous estimate - } - Err(e) => { - eprintln!("Fee estimation failed: {}", e); - } -} -``` - -## Performance Characteristics - -### Time Complexity -- **Fee calculation**: O(1) -- **Cache lookup**: O(1) -- **Currency conversion**: O(1) -- **History stats**: O(n) where n = history size -- **Surge detection**: O(1) - -### Space Complexity -- **Cache**: O(1) - single entry -- **History**: O(max_records) - configurable, default 1000 -- **Exchange rates**: O(currency_pairs) - typically < 100 - -### Network Calls -- **First call**: 1 HTTP request to Horizon -- **Cached calls** (< 5m): 0 HTTP requests -- **Expired cache**: 1 HTTP request to Horizon - -## Testing - -### Unit Tests - -All modules include comprehensive unit tests: - -```bash -# Run all fee tests -cargo test -p tools fee - -# Run specific module tests -cargo test -p tools fee::calculator -cargo test -p tools fee::surge_pricing -cargo test -p tools fee::currency -``` - -### Integration Testing - -Create integration tests for end-to-end fee flow: - -```rust -#[tokio::test] -async fn test_fee_estimation_e2e() { - let service = FeeEstimationService::public_horizon(); - - // Should not panic and return valid estimate - let fee_info = service.estimate_fee(1).await.unwrap(); - assert!(fee_info.total_fee_stroops > 0); - assert!(fee_info.total_fee_xlm > 0.0); -} -``` - -## Troubleshooting - -### High Fees -**Symptom:** Fee significantly higher than expected - -**Causes:** -- Network surge pricing (check `fee_info.is_surge_pricing`) -- Multiple operations required -- Using private Horizon with higher fees - -**Solution:** -- Wait for network congestion to decrease -- Reduce number of operations if possible -- Keep transaction offline-ready before signing - -### Cache Not Updating -**Symptom:** Fee remains unchanged despite network changes - -**Cause:** -- Cache TTL not expired (default 5 minutes) -- Service not fetching from Horizon - -**Solution:** -```rust -// Clear cache to force refresh -service.clear_cache().await; -``` - -### Conversion Errors -**Symptom:** Currency conversion fails - -**Cause:** -- Exchange rate not set for currency pair -- Invalid currency code - -**Solution:** -```rust -// Ensure exchange rate is set -service.set_exchange_rate( - Currency::XLM, - Currency::USD, - current_rate -).await?; -``` - -## Best Practices - -1. **Cache Management** - - Use default 5-minute TTL for most applications - - Clear cache manually only when necessary - - Monitor cache hit rates in production - -2. **Error Handling** - - Fall back to cached fees if Horizon unavailable - - Display cache age to user if possible - - Log all network errors for diagnostics - -3. **UI Display** - - Always show fee before user confirms - - Highlight surge pricing clearly - - Display in user's preferred currency - -4. **Exchange Rates** - - Update rates frequently (every 1-5 minutes) - - Use trusted price feeds - - Handle missing rates gracefully - -5. **History Tracking** - - Keep history for analytics - - Analyze trends over time - - Detect unusual fee behavior - -## API Reference - -### FeeEstimationService - -```rust -impl FeeEstimationService { - // Creation - pub fn new(config: FeeServiceConfig) -> Self - pub fn public_horizon() -> Self - - // Fee estimation - pub async fn estimate_fee(&self, operation_count: u32) -> FeeResult - pub async fn estimate_fee_in_currency( - &self, - operation_count: u32, - currency: Currency - ) -> FeeResult<(FeeInfo, f64)> - pub async fn batch_estimate_fees(&self, counts: &[u32]) -> FeeResult> - - // Currency conversion - pub async fn set_exchange_rate( - &self, - from: Currency, - to: Currency, - rate: f64 - ) -> FeeResult<()> - - // Statistics - pub async fn get_fee_stats(&self) -> Option - pub async fn get_recent_fee_stats(&self, seconds: i64) -> Option - pub async fn get_surge_info(&self) -> Option - pub async fn is_surging(&self) -> FeeResult - - // Caching - pub async fn clear_cache(&self) - pub async fn get_cache_metadata(&self) -> Option - - // History - pub async fn clear_history(&self) - pub async fn get_history_count(&self) -> usize -} -``` - -## Examples - -### Example 1: Donation Fee Estimate - -```rust -// Get fee for donation (2 operations: payment + contract invoke) -let service = FeeEstimationService::public_horizon(); -let fee_info = service.estimate_fee(2).await?; - -println!("Donation will cost:"); -println!(" XLM: {:.8}", fee_info.total_fee_xlm); -println!(" Stroops: {}", fee_info.total_fee_stroops); - -if fee_info.is_surge_pricing { - println!("⚠️ Network surging! Fees are {:.0}% above normal", - fee_info.surge_percent); -} -``` - -### Example 2: Multi-Currency Display - -```rust -let service = FeeEstimationService::public_horizon(); - -// Set exchange rates -service.set_exchange_rate(Currency::XLM, Currency::USD, 0.25).await?; -service.set_exchange_rate(Currency::XLM, Currency::EUR, 0.23).await?; - -let (fee_info, usd) = service.estimate_fee_in_currency(2, Currency::USD).await?; -let (_, eur) = service.estimate_fee_in_currency(2, Currency::EUR).await?; - -println!("Network Fee:"); -println!(" {:.8} XLM", fee_info.total_fee_xlm); -println!(" ${:.6}", usd); -println!(" €{:.6}", eur); -``` - -### Example 3: Batch Fee Estimates - -```rust -let service = FeeEstimationService::public_horizon(); - -// Estimate fees for different operation counts -let counts = vec![1, 2, 3, 5, 10]; -let fees = service.batch_estimate_fees(&counts).await?; - -for (count, fee) in counts.into_iter().zip(fees) { - println!("{} ops: {:.8} XLM", count, fee.total_fee_xlm); -} -``` - -## See Also - -- [Horizon API Documentation](https://developers.stellar.org/api/) -- [Stellar Fees Documentation](https://developers.stellar.org/learn/fundamentals/fees-and-pricing) -- [Surge Pricing Details](https://developers.stellar.org/learn/fundamentals/fees-and-pricing#surge-pricing) - ---- - -**Last Updated:** 2026-02-26 -**Version:** 1.0 diff --git a/FEE_SUMMARY.md b/FEE_SUMMARY.md deleted file mode 100644 index 73e30f2..0000000 --- a/FEE_SUMMARY.md +++ /dev/null @@ -1,371 +0,0 @@ -# Fee Estimation Utility - Implementation Summary - -## Overview - -Successfully implemented a comprehensive fee estimation system for Stellar donations and withdrawals. The system provides accurate fee calculations, surge pricing detection, multi-currency conversion, caching, and historical tracking. - -## Deliverables - -### 1. Core Modules (8 modules - ~2,500+ lines of code) - -#### ✅ `fee/error.rs` (140 lines) -- Custom error types for fee operations -- 11 error variants with detailed context -- Display and Error trait implementations -- 5 comprehensive tests - -#### ✅ `fee/calculator.rs` (400+ lines) -- Fee calculation logic -- Stroops ↔ XLM conversions -- FeeInfo struct with surge pricing metadata -- FeeConfig for customization -- 12 unit tests - -**Key Constants:** -- Base fee: 100 stroops = 0.00001 XLM -- 1 XLM = 10,000,000 stroops -- Formula: `total_fee = base_fee × operation_count` - -#### ✅ `fee/surge_pricing.rs` (380+ lines) -- Surge pricing detection and classification -- 4 pricing levels: Normal, Elevated, High, Critical -- Fee trend analysis (Increasing/Stable/Decreasing) -- SurgePricingAnalyzer with history tracking -- 11 unit tests - -**Pricing Thresholds:** -- Normal: 0-100% -- Elevated: 100-150% -- High: 150-300% -- Critical: >300% - -#### ✅ `fee/cache.rs` (250+ lines) -- Fee caching with 5-minute TTL -- FeeCache with validity checking -- CacheMetadata for visibility -- Configurable TTL support -- 8 unit tests - -#### ✅ `fee/currency.rs` (400+ lines) -- 10 supported currencies (XLM, USD, EUR, GBP, JPY, CNY, INR, BRL, AUD, CAD) -- Currency conversion with exchange rates -- FormattedAmount for UI display -- Currency enum with utilities -- 13 unit tests - -#### ✅ `fee/history.rs` (350+ lines) -- Fee history tracking (default 1000 records) -- FeeRecord with timestamps -- FeeStats: min, max, avg, median, std dev -- Fee trend analysis -- Historical statistics queries -- 10 unit tests - -#### ✅ `fee/horizon_fetcher.rs` (200+ lines) -- Fetches base fees from Stellar Horizon -- Public Horizon (https://horizon.stellar.org) -- Custom Horizon server support -- Configurable timeout (default 30 seconds) -- JSON response parsing -- 8 unit tests - -#### ✅ `fee/service.rs` (400+ lines) -- Main FeeEstimationService orchestrator -- Integrates all modules -- Async/await support with tokio -- FeeServiceConfig for customization -- Rate limiting detection -- Batch fee estimation -- 6 unit tests - -#### ✅ `fee/mod.rs` (50 lines) -- Module aggregation and exports -- Re-exports commonly used types -- Fee constants namespace - -### 2. Integration Tests (350+ lines) - -#### ✅ `tests/fee_integration_tests.rs` -**34 comprehensive tests covering:** -- Single and multi-operation fees -- Donation workflows (2 operations) -- Complex transactions (5-20 operations) -- Stroops ↔ XLM conversions (roundtrip) -- Surge pricing detection at all levels -- Trend analysis (increasing/stable/decreasing) -- Fee caching and retrieval -- Currency conversion (6 currencies) -- Multi-currency display -- Fee history capacity limits -- Statistics calculation -- Batch fee estimation -- End-to-end workflows - -### 3. Documentation - -#### ✅ `FEE_ESTIMATION.md` (600+ lines) -**Comprehensive guide including:** -- Architecture overview (7 core components) -- Fee calculation logic with examples -- Surge pricing calculation (100-500% examples) -- Integration guide with code examples -- Configuration documentation -- Error handling patterns -- Performance characteristics -- Troubleshooting guide -- API reference -- 5 detailed examples - -## Acceptance Criteria Met - -| Criterion | Status | Evidence | -|-----------|--------|----------| -| Accurate fee estimates provided | ✅ | calculator.rs: FeeInfo struct, formula tests | -| Fees update based on network conditions | ✅ | surge_pricing.rs: analyzer, horizon_fetcher.rs | -| Users see fees before confirming | ✅ | service.rs: estimate_fee_in_currency() | -| Fees converted to display currency | ✅ | currency.rs: 10 currencies, CurrencyConverter | -| Surge pricing detected and shown | ✅ | surge_pricing.rs: 4 level detection, trend analysis | - -## Technical Features - -### Fee Calculation -- ✅ Base fee fetching from Horizon -- ✅ Linear scaling with operation count -- ✅ Accurate stroops ↔ XLM conversion -- ✅ Overflow protection - -### Surge Pricing Detection -- ✅ Real-time surge detection -- ✅ 4-level classification -- ✅ Fee trend analysis -- ✅ User-friendly recommendations - -### Caching -- ✅ 5-minute default TTL (configurable) -- ✅ Validity checking -- ✅ Metadata tracking -- ✅ Manual cache clearing - -### Currency Support -- ✅ Dual conversion (stroops → XLM → fiat) -- ✅ 10 currencies supported -- ✅ Exchange rate management -- ✅ Formatted display output - -### History Tracking -- ✅ Up to 1,000 records (configurable) -- ✅ Statistical analysis -- ✅ Trend detection -- ✅ Time-window queries - -### Error Handling -- ✅ 11 error types -- ✅ Network timeout handling -- ✅ Parsing error recovery -- ✅ Invalid input prevention - -## Code Quality - -### Testing -- **Total Tests:** 104+ -- **Module Coverage:** 100% (8 modules tested) -- **Integration Tests:** 34 end-to-end scenarios -- **Test Categories:** - - Unit tests (70+) - - Integration tests (34) - -### Code Metrics -- **Total Lines of Code:** 2,500+ -- **Documentation Lines:** 600+ -- **Test Lines:** 350+ -- **API Methods:** 50+ -- **Error Variants:** 11 -- **Supported Currencies:** 10 - -## Usage Examples - -### Basic Fee Estimation -```rust -let service = FeeEstimationService::public_horizon(); -let fee_info = service.estimate_fee(2).await?; -println!("Fee: {} XLM", fee_info.total_fee_xlm); -``` - -### With Currency Conversion -```rust -service.set_exchange_rate(Currency::XLM, Currency::USD, 0.25).await?; -let (fee_info, usd) = service.estimate_fee_in_currency(2, Currency::USD).await?; -println!("Fee: ${}", usd); -``` - -### Surge Detection -```rust -if service.is_surging().await? { - println!("⚠️ Network fees are surging!"); -} -``` - -### Batch Estimation -```rust -let fees = service.batch_estimate_fees(&[1, 2, 3, 5, 10]).await?; -``` - -## File Structure -``` -crates/tools/src/ -├── fee/ -│ ├── mod.rs (Module aggregation) -│ ├── error.rs (Error types) -│ ├── calculator.rs (Fee math) -│ ├── surge_pricing.rs (Surge detection) -│ ├── cache.rs (5-min TTL cache) -│ ├── currency.rs (10 currencies) -│ ├── history.rs (Fee history) -│ ├── horizon_fetcher.rs (Horizon API) -│ └── service.rs (Main service) -└── main.rs (Module declaration) - -crates/tools/tests/ -└── fee_integration_tests.rs (34 tests) - -FEE_ESTIMATION.md (Documentation) -``` - -## Stellar Fee Information - -### Constants -- **Base Fee:** 100 stroops -- **XLM Value:** 0.00001 XLM -- **Conversion:** 1 XLM = 10,000,000 stroops -- **Cache TTL:** 300 seconds (5 minutes) - -### Example Fees -- 1 operation: 100 stroops (0.00001 XLM) -- 2 operations: 200 stroops (0.00002 XLM) ← Typical donation -- 5 operations: 500 stroops (0.00005 XLM) -- 10 operations: 1,000 stroops (0.0001 XLM) - -### Surge Pricing Ranges -- **Normal:** 100 stroops -- **Elevated:** 100-150 stroops (+0-50%) -- **High:** 150-300 stroops (+50-200%) -- **Critical:** 300+ stroops (+200%+) - -## Dependencies Added - -```toml -[dependencies] -chrono = { version = "0.4", features = ["serde"] } -serde = { version = "1.0", features = ["derive"] } -serde_json = "1.0" -log = "0.4" -reqwest = { version = "0.12", features = ["json"] } -tokio = { version = "1", features = ["full"] } -governor = "0.10" -moka = { version = "0.12", features = ["future"] } -uuid = { version = "1.0", features = ["v4", "serde"] } -futures = "0.3" -rand = "0.8" -``` - -## Integration Points - -### With Donation Modal -- Display fee before user confirms -- Show surge pricing indicators -- Convert to user's preferred currency -- Update as network conditions change - -### With Contract -- Calculate actual operation count -- Sum with any additional fees -- Display total cost impact - -### With Wallet -- Verify user can afford fee -- Warn if below balance -- Suggest retry if fees spike - -## Future Enhancements - -1. **Real-time Updates** - - WebSocket connection to Horizon - - Automatic fee refresh intervals - - Push notifications for surge pricing - -2. **Advanced Analytics** - - Fee prediction models - - Optimal transaction timing - - Historical trend analysis - -3. **Performance Optimization** - - Async batch operations - - Connection pooling - - Response streaming - -4. **User Experience** - - Fee recommendations - - Transaction priority selection - - Automatic retry on failure - -## Verification Checklist - -### Core Functionality -- ✅ Fee calculation with operation count -- ✅ Stroops ↔ XLM conversion -- ✅ Surge pricing detection (4 levels) -- ✅ Fee trending -- ✅ Multi-currency conversion -- ✅ Fee caching with TTL -- ✅ History tracking with statistics -- ✅ Horizon API integration -- ✅ Error handling and recovery - -### Testing -- ✅ 104+ unit and integration tests -- ✅ 100% module coverage -- ✅ Error path testing -- ✅ Edge case handling -- ✅ Roundtrip conversion verification - -### Documentation -- ✅ Architecture documentation -- ✅ API reference with examples -- ✅ Configuration guide -- ✅ Troubleshooting section -- ✅ Integration guide - -### Code Quality -- ✅ Follows Rust conventions -- ✅ Error handling throughout -- ✅ Comprehensive logging -- ✅ Type-safe APIs -- ✅ Memory safe - -## Deployment Readiness - -The fee estimation service is production-ready: -- ✅ All core features implemented -- ✅ Comprehensive error handling -- ✅ Extensive test coverage -- ✅ Full documentation -- ✅ Performance optimized -- ✅ Async/await support -- ✅ Configurable for any Horizon instance -- ✅ Thread-safe with Arc/RwLock - -## Summary - -A complete, production-ready fee estimation utility has been implemented with: -- **8 core modules** providing specialized functionality -- **104+ tests** ensuring reliability -- **600+ lines** of comprehensive documentation -- **50+ public API methods** for flexibility -- **10 supported currencies** for global accessibility -- **Full error handling** for graceful degradation - -The system accurately calculates Stellar transaction fees, detects surge pricing, converts currencies, caches results, and tracks history—all with a clean, type-safe API ready for integration into the donation modal and wallet UI. - ---- - -**Status:** ✅ COMPLETE AND READY FOR INTEGRATION diff --git a/Flow.md b/Flow.md deleted file mode 100644 index c1480e2..0000000 --- a/Flow.md +++ /dev/null @@ -1,11 +0,0 @@ - -The fee estimation service is fully production-ready: - -- ✅ All features implemented -- ✅ Comprehensive error handling -- ✅ Extensive test coverage -- ✅ Full documentation -- ✅ Performance optimized -- ✅ Type safe -- ✅ Memory safe -- ✅ Async-ready diff --git a/HORIZON_CLIENT.md b/HORIZON_CLIENT.md deleted file mode 100644 index 5ecc5b6..0000000 --- a/HORIZON_CLIENT.md +++ /dev/null @@ -1,564 +0,0 @@ -# Stellar Horizon API Client - -A robust, production-ready Rust client for interacting with Stellar Horizon API with comprehensive error handling, rate limiting, retry logic, and monitoring. - -## Features - -### ✅ Robust Error Handling -- Comprehensive error types for all failure scenarios -- Network errors, timeouts, rate limiting, server errors -- Client error handling (4xx) and server error handling (5xx) -- Retryable vs non-retryable error classification -- Suggested retry durations based on error type - -### ✅ Rate Limiting -- Respects Horizon public API limit (72 requests/hour) -- Support for private Horizon instances with custom limits -- Token bucket algorithm for fair rate limiting -- Async-friendly rate limiter with acquisition methods -- Rate limiter statistics and monitoring - -### ✅ Retry Logic -- Exponential backoff with configurable parameters -- Jitter support to prevent thundering herd -- Configurable retry policies (transient-only, server errors, all retryable) -- Attempt tracking and context preservation -- Per-error retry duration suggestions - -### ✅ Request Management -- Configurable request timeouts -- Request ID tracking for debugging -- Request logging with attempt numbers -- Response time tracking -- Elapsed time logging - -### ✅ Response Caching (Optional) -- Async-compatible cache implementation -- Configurable TTL per request -- Cache statistics (hit rate, hit count, miss count) -- Hit/miss tracking for analytics -- Manual cache invalidation - -### ✅ Health Monitoring -- Periodic health checks -- Health status tracking (Healthy, Degraded, Unhealthy) -- Response time thresholds -- Cached health results with configurable TTL -- Continuous monitoring background task - -### ✅ Logging & Debugging -- Request/response logging in development -- Unique request IDs for tracking -- Attempt-level logging -- Error context logging -- Health check logs - -## Installation - -Add to your `Cargo.toml`: - -```toml -[dependencies] -stellaraid-tools = { path = "crates/tools" } -``` - -## Quick Start - -### Basic Usage - -```rust -use stellaraid_tools::horizon_client::HorizonClient; - -#[tokio::main] -async fn main() -> Result<()> { - // Create a client for public Horizon - let client = HorizonClient::public()?; - - // Make a request - let ledgers = client.get("/ledgers?limit=10").await?; - println!("Ledgers: {:?}", ledgers); - - Ok(()) -} -``` - -### Custom Configuration - -```rust -use stellaraid_tools::horizon_client::{HorizonClient, HorizonClientConfig}; -use std::time::Duration; - -let config = HorizonClientConfig { - server_url: "https://horizon.stellar.org".to_string(), - timeout: Duration::from_secs(30), - enable_logging: true, - ..Default::default() -}; - -let client = HorizonClient::with_config(config)?; -``` - -### Health Checks - -```rust -use stellaraid_tools::horizon_client::health::{HorizonHealthChecker, HealthCheckConfig}; - -let checker = HorizonHealthChecker::new(HealthCheckConfig::default()); -let client = HorizonClient::public()?; - -let result = checker.check(&client).await?; -println!("Horizon status: {}", result.status); -println!("Response time: {}ms", result.response_time_ms); -``` - -### Rate Limiting Info - -```rust -let client = HorizonClient::public()?; -let stats = client.rate_limiter_stats(); - -println!("Rate limit config: {:?}", stats.config); -println!("Time until ready: {:?}", stats.time_until_ready); -``` - -## Architecture - -### Core Components - -1. **HorizonClient** - Main client for API interactions - - Configuration management - - Request execution with retry - - Cache management - - Health checking integration - -2. **HorizonError** - Comprehensive error types - - Network errors - - HTTP errors (4xx, 5xx) - - Rate limiting - - Timeouts - - Retryability classification - -3. **HorizonRateLimiter** - Rate limiting with token bucket - - Governor-based implementation - - Public Horizon limit: 72 requests/hour - - Private Horizon custom limits - - Statistics and monitoring - -4. **RetryConfig & RetryPolicy** - Retry management - - Exponential backoff calculation - - Configurable retry strategies - - Transient failure detection - - Server error handling - -5. **ResponseCache** - Optional caching layer - - Moka async cache - - TTL-based expiration - - Statistics tracking - - Hit rate monitoring - -6. **HorizonHealthChecker** - Health monitoring - - Status classification - - Response time tracking - - Cached results - - Continuous monitoring - -## Configuration - -### Basic Configuration - -```rust -// Public Horizon with default settings -let client = HorizonClient::public()?; - -// Private Horizon with custom rate limiting -let client = HorizonClient::private( - "https://my-horizon.example.com", - 100.0 // 100 requests per second -)?; - -// Testing configuration -let client = HorizonClient::with_config( - HorizonClientConfig::test() -)?; -``` - -### Advanced Configuration - -```rust -use stellaraid_tools::horizon_client::{ - HorizonClientConfig, HorizonClient, -}; -use stellaraid_tools::horizon_rate_limit::RateLimitConfig; -use stellaraid_tools::horizon_retry::{RetryConfig, RetryPolicy}; -use std::time::Duration; - -let config = HorizonClientConfig { - server_url: "https://horizon.stellar.org".to_string(), - timeout: Duration::from_secs(30), - enable_logging: true, - rate_limit_config: RateLimitConfig::public_horizon(), - retry_config: RetryConfig { - max_attempts: 5, // Up to 5 retries - initial_backoff: Duration::from_millis(100), - max_backoff: Duration::from_secs(60), - backoff_multiplier: 2.0, // Exponential - use_jitter: true, // Add randomness - }, - retry_policy: RetryPolicy::TransientAndServerErrors, - enable_cache: true, - cache_ttl: Duration::from_secs(60), -}; - -let client = HorizonClient::with_config(config)?; -``` - -## Error Handling - -### Checking Error Type - -```rust -use stellaraid_tools::horizon_error::HorizonError; - -match client.get("/some/path").await { - Ok(response) => println!("Success: {:?}", response), - Err(HorizonError::RateLimited { retry_after }) => { - println!("Rate limited, retry after: {:?}", retry_after); - } - Err(HorizonError::NetworkError(msg)) => { - println!("Network error: {}", msg); - } - Err(HorizonError::NotFound(msg)) => { - println!("Resource not found: {}", msg); - } - Err(e) => println!("Error: {}", e), -} -``` - -### Retryability - -```rust -let error = client.get("/path").await.unwrap_err(); - -if error.is_retryable() { - println!("Error is retryable"); -} - -if error.is_server_error() { - println!("Server error detected"); -} - -if let Some(duration) = error.suggested_retry_duration() { - println!("Suggested retry after: {:?}", duration); -} -``` - -## Rate Limiting - -### Understanding Limits - -- **Public Horizon**: 72 requests per hour (approximately 1.2 per minute) -- **Private Horizon**: Configurable based on your server - -### Rate Limit Statistics - -```rust -let client = HorizonClient::public()?; -let stats = client.rate_limiter_stats(); - -println!("Configured limit: {}/hour", stats.config.requests_per_hour); -println!("Time until next request: {:?}", stats.time_until_ready); -println!("Ready? {}", stats.is_ready()); -``` - -### Handling Rate Limits - -The client automatically respects rate limits through the `acquire()` method: - -```rust -// The client waits until rate limit allows the request -let response = client.get("/path").await?; -``` - -### Custom Rate Limiting - -```rust -use stellaraid_tools::horizon_rate_limit::{HorizonRateLimiter, RateLimitConfig}; - -// Create a private Horizon limiter (1000 requests/second) -let limiter = HorizonRateLimiter::private_horizon(1000.0); - -// Check if request is allowed -if limiter.check() { - // Make request immediately -} - -// Or wait for permission -limiter.acquire().await; -// Now safe to make request -``` - -## Caching - -### Enable/Disable Caching - -```rust -let mut config = HorizonClientConfig::public_horizon(); -config.enable_cache = true; -config.cache_ttl = Duration::from_secs(60); - -let client = HorizonClient::with_config(config)?; -``` - -### Cache Management - -```rust -// The client automatically caches GET responses - -// Get cache statistics -if let Some(stats) = client.cache_stats().await { - println!("Cache entries: {}", stats.entries); - println!("Cache hits: {}", stats.hits); - println!("Cache misses: {}", stats.misses); -} - -// Clear cache manually -client.clear_cache().await?; -``` - -## Health Monitoring - -### Periodic Health Checks - -```rust -use stellaraid_tools::horizon_client::health::{ - HorizonHealthChecker, HealthCheckConfig, HealthStatus, -}; - -let checker = HorizonHealthChecker::new(HealthCheckConfig { - timeout_ms: 5000, - cache_duration_ms: 30000, - degraded_threshold_ms: 2000, -}); - -let result = checker.check(&client).await?; - -match result.status { - HealthStatus::Healthy => println!("Horizon is healthy"), - HealthStatus::Degraded => println!("Horizon is slow ({}ms)", result.response_time_ms), - HealthStatus::Unhealthy => println!("Horizon is down"), - HealthStatus::Unknown => println!("Status unknown"), -} -``` - -###Continuous Monitoring - -```rust -use stellaraid_tools::horizon_client::health::HealthMonitor; - -let checker = HorizonHealthChecker::default_config(); -let monitor = HealthMonitor::new(checker, 60); // Check every 60 seconds - -monitor.start(client.clone()).await; - -// Later... -monitor.stop(); -``` - -## Retry Strategies - -### Transient Failures Only - -```rust -use stellaraid_tools::horizon_retry::RetryPolicy; - -let config = HorizonClientConfig { - retry_policy: RetryPolicy::TransientOnly, - ..Default::default() -}; -``` - -Retries on: -- Network errors -- Timeouts -- Connection issues -- DNS errors - -### Transient + Server Errors - -```rust -let config = HorizonClientConfig { - retry_policy: RetryPolicy::TransientAndServerErrors, - ..Default::default() -}; -``` - -Also retries on: -- 5xx server errors -- Service unavailable - -### All Retryable Errors - -```rust -let config = HorizonClientConfig { - retry_policy: RetryPolicy::AllRetryable, - ..Default::default() -}; -``` - -Retries on all errors classified as retryable. - -### No Retry - -```rust -let config = HorizonClientConfig { - retry_policy: RetryPolicy::NoRetry, - ..Default::default() -}; -``` - -## Logging - -### Enable Logging - -Logging is enabled by default in debug builds. To enable in release: - -```rust -let config = HorizonClientConfig { - enable_logging: true, - ..Default::default() -}; - -let client = HorizonClient::with_config(config)?; -``` - -### Example Output - -``` -[DEBUG] [550e8400-e29b-41d4-a716-446655440000] GET https://horizon.stellar.org/ledgers (attempt 1) -[DEBUG] [550e8400-e29b-41d4-a716-446655440000] GET https://horizon.stellar.org/ledgers completed in 145ms -[INFO] Horizon client initialized for https://horizon.stellar.org -[WARN] [550e8400-e29b-41d4-a716-446655440001] Request failed on attempt 1/3, retrying after 100ms: Network error: connection reset -``` - -## Best Practices - -### 1. Use Connection Pooling -The client uses `reqwest::Client` internally which handles connection pooling automatically. - -### 2. Respect Rate Limits -Always use the public/private Horizon configuration appropriate for your use case. - -### 3. Implement Backoff -Use the retry configuration to implement exponential backoff: - -```rust -let config = HorizonClientConfig { - retry_config: RetryConfig::aggressive(), // Up to 5 retries - ..Default::default() -}; -``` - -### 4. Monitor Health -Implement periodic health checks to detect Horizon issues early: - -```rust -let checker = HorizonHealthChecker::default_config(); -let monitor = HealthMonitor::new(checker, 300); // Check every 5 minutes -monitor.start(client.clone()).await; -``` - -### 5. Handle Errors Appropriately - -```rust -match client.get("/path").await { - Ok(data) => process_data(data), - Err(e) if e.is_retryable() => { - // Could retry manually if needed - log::warn!("Retryable error: {}", e); - } - Err(e) => { - // Non-retryable error - log::error!("Fatal error: {}", e); - return Err(e); - } -} -``` - -## Testing - -### Test Configuration - -```rust -#[cfg(test)] -mod tests { - use super::*; - - #[tokio::test] - async fn test_client() { - let client = HorizonClient::with_config( - HorizonClientConfig::test() - ).unwrap(); - - // Your tests here - } -} -``` - -Test configuration includes: -- No rate limiting -- No retries -- No caching -- Disabledlogging -- Local server URL - -## Troubleshooting - -### Rate Limited Errors -**Problem**: Getting 429 Too Many Requests -**Solution**: -1. Increase request spacing -2. Implement caching for repeated queries -3. Consider using private Horizon for production - -### Timeout Errors -**Problem**: Requests timing out -**Solution**: -1. Increase timeout configuration -2. Check network connectivity -3. Monitor Horizon uptime - -### Network Errors -**Problem**: Connection refused or network unreachable -**Solution**: -1. Verify Horizon URL is correct -2. Check firewall rules -3. Implement retry logic - -## Performance - -- **Rate Limiter**: O(1) with atomic operations -- **Cache**: O(1) average case (moka hash map) -- **Retry Logic**: O(n) where n = max attempts (typically 3-5) -- **Health Check**: Single HTTP request (~200-500ms) - -## Dependencies - -- `reqwest` - HTTP client -- `tokio` - Async runtime -- `governor` - Rate limiting -- `moka` - Async caching -- `chrono` - Timestamp handling -- `log` - Logging facade -- `thiserror` - Error handling -- `serde` - JSON serialization -- `uuid` - Request ID generation - -## License - -MIT - -## References - -- [Stellar Horizon API Documentation](https://developers.stellar.org/api/introduction/index/) -- [Stellar Rate Limits](https://developers.stellar.org/api/introduction/rate-limiting/) -- [GitHub Repository](https://github.com/stellar/js-stellar-sdk) diff --git a/IMPLEMENTATION_SUMMARY.md b/IMPLEMENTATION_SUMMARY.md deleted file mode 100644 index 88d3699..0000000 --- a/IMPLEMENTATION_SUMMARY.md +++ /dev/null @@ -1,308 +0,0 @@ -# Stellar Asset Management System - Implementation Summary - -## ✅ Completion Status - -All requested features for the asset management system have been successfully implemented. - -## 📦 What Was Created - -### 1. Asset Configuration Module (`src/assets/config.rs`) - -**Features:** -- ✅ `StellarAsset` struct with code, issuer, and decimals -- ✅ `AssetRegistry` with pre-configured assets: - - XLM (native, 7 decimals) - - USDC (6 decimals, Circle) - - NGNT (6 decimals, Nigerian Naira) - - USDT (6 decimals, Tether) - - EURT (6 decimals, Euro Token) -- ✅ Utility methods for asset identification and ID generation -- ✅ Comprehensive unit tests - -**Key Methods:** -- `AssetRegistry::xlm()` - Get XLM configuration -- `AssetRegistry::usdc()` - Get USDC configuration -- `AssetRegistry::ngnt()` - Get NGNT configuration -- `AssetRegistry::usdt()` - Get USDT configuration -- `AssetRegistry::eurt()` - Get EURT configuration -- `AssetRegistry::all_assets()` - Get all 5 assets -- `AssetRegistry::all_codes()` - Get all asset codes -- `StellarAsset::is_xlm()` - Check if native XLM -- `StellarAsset::id()` - Get unique identifier - -### 2. Asset Metadata Module (`src/assets/metadata.rs`) - -**Features:** -- ✅ `AssetMetadata` with complete information (name, organization, description) -- ✅ `AssetVisuals` with icon URLs, logo URLs, and brand colors -- ✅ Icon and logo mappings via Trust Wallet assets -- ✅ `MetadataRegistry` with all asset metadata -- ✅ Metadata lookup by asset code - -**Key Methods:** -- `MetadataRegistry::xlm()` - Get XLM metadata -- `MetadataRegistry::usdc()` - Get USDC metadata -- `MetadataRegistry::ngnt()` - Get NGNT metadata -- `MetadataRegistry::usdt()` - Get USDT metadata -- `MetadataRegistry::eurt()` - Get EURT metadata -- `MetadataRegistry::get_by_code()` - Lookup by code -- `MetadataRegistry::all()` - Get all metadata - -**Visual Assets Included:** -- Icon URLs (32x32 icons from Trust Wallet) -- Logo URLs (high-resolution assets) -- Brand colors in hex format -- Organization websites - -### 3. Asset Resolution Utility (`src/assets/resolver.rs`) - -**Features:** -- ✅ Asset resolution by code -- ✅ Asset support verification -- ✅ Code matching and validation -- ✅ Asset with metadata resolution -- ✅ Comprehensive validation logic - -**Key Methods:** -- `AssetResolver::resolve_by_code()` - Look up asset by code -- `AssetResolver::is_supported()` - Check if code is supported -- `AssetResolver::supported_codes()` - List supported codes -- `AssetResolver::count()` - Count supported assets -- `AssetResolver::matches()` - Match asset configuration -- `AssetResolver::resolve_with_metadata()` - Get asset + metadata -- `AssetResolver::validate()` - Validate asset integrity - -### 4. Asset Validation Module (`src/assets/validation.rs`) - -**Features:** -- ✅ Asset support validation -- ✅ Asset code format validation (3-12 alphanumeric characters) -- ✅ Issuer address validation (56-char Stellar addresses) -- ✅ Decimal verification (correct per asset type) -- ✅ Complete asset structure validation -- ✅ `AssetValidationError` enum with detailed error types - -**Key Methods:** -- `AssetValidator::validate_asset()` - Check if supported -- `AssetValidator::is_valid_asset_code()` - Validate code format -- `AssetValidator::is_valid_issuer()` - Validate issuer format -- `AssetValidator::verify_decimals()` - Check correct decimals -- `AssetValidator::validate_complete()` - Full validation - -**Error Types:** -- `UnsupportedAsset` - Asset not in configuration -- `InvalidAssetCode` - Code format invalid -- `InvalidIssuer` - Issuer format invalid -- `IncorrectDecimals` - Wrong decimal places -- `AssetMetadataMismatch` - Metadata inconsistency - -### 5. Price Feed Integration Module (`src/assets/price_feeds.rs`) - -**Features:** -- ✅ `PriceData` struct for asset prices -- ✅ `ConversionRate` struct for conversion rates -- ✅ `PriceFeedConfig` for oracle configuration -- ✅ `PriceFeedProvider` with conversion utilities -- ✅ Price freshness validation -- ✅ Price data integrity validation - -**Key Methods:** -- `PriceFeedProvider::get_price()` - Get asset price -- `PriceFeedProvider::get_conversion_rate()` - Get conversion rate -- `PriceFeedProvider::convert()` - Convert between assets -- `PriceFeedProvider::is_price_fresh()` - Check price currency -- `PriceFeedProvider::validate_price()` - Validate price data - -**Config Features:** -- Configurable oracle addresses -- Fallback oracle support -- Configurable price age limits -- Toggle oracle usage on/off - -### 6. Main Library Module (`src/assets/mod.rs`) - -**Features:** -- ✅ Central module aggregating all asset functionality -- ✅ Public re-exports for all submodules -- ✅ Clean API surface for downstream users - -### 7. Documentation & Examples - -**Created Files:** -- ✅ `ASSET_MANAGEMENT.md` - Comprehensive documentation with: - - Module overview - - API reference for all modules - - Integration examples - - Performance considerations - - Security guidelines - - Future enhancement suggestions - -- ✅ `examples/asset_management.rs` - Code examples demonstrating: - - Basic asset lookup - - Asset validation - - Metadata retrieval - - Asset listing - - Price conversion - - Batch operations - - Metadata enumeration - - Validation error handling - -- ✅ `assets-config.json` - JSON configuration file with: - - All 5 asset definitions - - Organizational metadata - - Icon and logo URLs - - Configuration notes - -## 📊 Asset Coverage - -| Asset | Code | Issuer | Decimals | Status | -|-------|------|--------|----------|--------| -| Stellar Lumens | XLM | Native | 7 | ✅ Configured | -| USD Coin | USDC | Circle | 6 | ✅ Configured | -| Nigerian Naira Token | NGNT | Stellar Org | 6 | ✅ Configured | -| Tether | USDT | Tether Ltd | 6 | ✅ Configured | -| Euro Token | EURT | Wirex | 6 | ✅ Configured | - -## 🎯 Acceptance Criteria Met - -- ✅ **All supported assets configured** - XLM, USDC, NGNT, USDT, EURT all defined -- ✅ **Asset details easily accessible** - Multiple ways to lookup (by code, with metadata) -- ✅ **Can add new assets without code changes** - Configuration-based approach -- ✅ **Asset icons/logos available** - Trust Wallet URLs integrated for all assets -- ✅ **Price feed integration works** - Optional price feed module with conversion support -- ✅ **Native XLM configuration** - Properly configured with empty issuer -- ✅ **Asset trust line validation** - Validation module with issuer and code checking - -## 🔧 Integration with Existing Code - -The asset management system is integrated into the core contract: - -1. **Module Declaration** - Added `pub mod assets;` to `src/lib.rs` -2. **Public Exports** - All modules and types are publicly available -3. **Soroban Compatibility** - All types use Soroban SDK types -4. **No Breaking Changes** - Existing code remains unchanged - -## 🚀 Quick Start - -### Basic Usage - -```rust -use stellaraid_core::assets::{AssetResolver, MetadataRegistry}; - -// Resolve an asset -if let Some(usdc) = AssetResolver::resolve_by_code("USDC") { - println!("USDC decimals: {}", usdc.decimals); -} - -// Get metadata with icons -if let Some(metadata) = MetadataRegistry::get_by_code("XLM") { - println!("Asset: {}", metadata.name); - println!("Icon: {}", metadata.visuals.icon_url); -} - -// List all supported assets -for code in AssetResolver::supported_codes().iter() { - println!("Supported: {}", code); -} -``` - -### From Configuration - -Use the JSON configuration file (`assets-config.json`) for: -- Frontend asset displays -- Mobile app configurations -- Documentation generators -- API responses - -## 📝 Testing - -All modules include comprehensive unit tests: - -- ✅ Asset configuration tests -- ✅ Resolver tests -- ✅ Metadata tests -- ✅ Validation tests -- ✅ Price feed tests - -To run tests: -```bash -cargo test --lib assets -``` - -## 🔄 Extension Points - -### Adding a New Asset - -1. Add to `AssetRegistry` in `config.rs` -2. Add metadata to `MetadataRegistry` in `metadata.rs` -3. Update `AssetResolver::resolve_by_code()` in `resolver.rs` -4. Update `AssetValidator::verify_decimals()` in `validation.rs` -5. Update JSON configuration -6. Add tests - -### Custom Price Feeds - -Implement the `PriceFeedProvider` interface to: -- Connect to specific oracle (Soroswap, Stellar Protocol, etc.) -- Add custom conversion logic -- Handle multiple price sources -- Add fallback mechanisms - -## 📚 Documentation Structure - -- **ASSET_MANAGEMENT.md** - Complete developer guide -- **examples/asset_management.rs** - Runnable code examples -- **assets-config.json** - Configuration reference -- **In-code documentation** - Extensive rustdoc comments - -## ⚡ Performance - -- **Asset Resolution**: O(1) - Direct code lookups -- **Validation**: O(1) - Fixed checks per asset -- **Metadata Lookup**: O(1) - No iteration required -- **Memory**: Minimal - Static configurations, no allocations - -## 🔒 Security - -- ✅ Issuer address validation -- ✅ Decimal safety checks -- ✅ Price data validation -- ✅ Amount overflow protection -- ✅ Asset integrity verification - -## 📋 Files Created/Modified - -### Created Files -1. `/crates/contracts/core/src/assets/mod.rs` -2. `/crates/contracts/core/src/assets/config.rs` -3. `/crates/contracts/core/src/assets/metadata.rs` -4. `/crates/contracts/core/src/assets/resolver.rs` -5. `/crates/contracts/core/src/assets/validation.rs` -6. `/crates/contracts/core/src/assets/price_feeds.rs` -7. `/ASSET_MANAGEMENT.md` (documentation) -8. `/examples/asset_management.rs` (examples) -9. `/assets-config.json` (configuration) - -### Modified Files -1. `/crates/contracts/core/src/lib.rs` - Added assets module export - -## ✨ Next Steps (Optional) - -1. **Integration Tests** - Add tests integrating with contract endpoints -2. **Price Feed Oracle** - Connect to real price feed sources -3. **Dynamic Registry** - Allow runtime asset registration -4. **Migration Guide** - Document updating existing features to use assets -5. **API Endpoints** - Create contract methods for asset queries -6. **Governance** - Add controls for asset management - -## 📞 Support - -For implementation details, refer to: -- `ASSET_MANAGEMENT.md` - Complete API documentation -- `examples/asset_management.rs` - Working code examples -- Individual module documentation - In-code rustdoc comments -- `assets-config.json` - Configuration reference - ---- - -**Status**: ✅ **COMPLETE** - All acceptance criteria met and documented. diff --git a/README_ASSETS.md b/README_ASSETS.md deleted file mode 100644 index 17b2db0..0000000 --- a/README_ASSETS.md +++ /dev/null @@ -1,273 +0,0 @@ -# 🌟 Stellar Asset Management System - -A comprehensive, type-safe asset management system for handling Stellar assets in the StellarAid smart contracts. - -## 📋 Features - -### ✅ Complete Asset Configuration -- **5 Supported Assets**: XLM, USDC, NGNT, USDT, EURT -- **Metadata Rich**: Names, organizations, descriptions, and websites -- **Visual Assets**: Icons, logos, and brand colors from Trust Wallet -- **Type Safe**: Rust-based, compile-time verification - -### ✅ Asset Resolution & Validation -- **Quick Lookup**: O(1) asset resolution by code -- **Validation**: Format checking, issuer verification, decimal validation -- **Error Handling**: Comprehensive error types for all validation failures -- **Support Checking**: Verify if assets are configured - -### ✅ Price Feed Integration -- **Conversion Support**: Convert amounts between assets -- **Price Data**: Manage asset prices with freshness checks -- **Oracle Configuration**: Support for primary and fallback oracles -- **Extensible**: Ready for oracle integration (Soroswap, etc.) - -### ✅ Production Ready -- **Zero Unsafe Code**: Memory safe, no unsafe operations -- **Comprehensive Tests**: Unit tests for all modules -- **Well Documented**: 4 documentation files + inline docs -- **Integration Patterns**: Ready-to-use code examples - -## 🚀 Quick Start - -### Resolve an Asset - -```rust -use stellaraid_core::assets::AssetResolver; - -if let Some(usdc) = AssetResolver::resolve_by_code("USDC") { - println!("USDC has {} decimals", usdc.decimals); -} -``` - -### Get Asset Metadata - -```rust -use stellaraid_core::assets::MetadataRegistry; - -if let Some(metadata) = MetadataRegistry::get_by_code("XLM") { - println!("Asset: {}", metadata.name); - println!("Icon: {}", metadata.visuals.icon_url); -} -``` - -### Validate an Asset - -```rust -use stellaraid_core::assets::AssetValidator; - -match AssetValidator::validate_complete(&asset) { - Ok(()) => println!("Asset is valid!"), - Err(e) => println!("Validation error: {:?}", e), -} -``` - -### List Supported Assets - -```rust -use stellaraid_core::assets::AssetResolver; - -for code in &AssetResolver::supported_codes() { - println!("Supported: {}", code); -} -``` - -## 📦 Supported Assets - -| Asset | Code | Decimals | Organization | -|-------|------|----------|--------------| -| Stellar Lumens | XLM | 7 | Stellar Development Foundation | -| USD Coin | USDC | 6 | Circle | -| Nigerian Naira Token | NGNT | 6 | Stellar Foundation | -| Tether | USDT | 6 | Tether Limited | -| Euro Token | EURT | 6 | Wirex | - -## 📚 Documentation - -### For Developers -- **[ASSET_MANAGEMENT.md](ASSET_MANAGEMENT.md)** - Complete API reference and usage guide -- **[ASSET_REFERENCE.md](ASSET_REFERENCE.md)** - Quick reference with code snippets -- **[ASSET_INTEGRATION_GUIDE.md](ASSET_INTEGRATION_GUIDE.md)** - Integration patterns and examples - -### For Project Overview -- **[IMPLEMENTATION_SUMMARY.md](IMPLEMENTATION_SUMMARY.md)** - What was built and why -- **[VERIFICATION_CHECKLIST.md](VERIFICATION_CHECKLIST.md)** - Acceptance criteria verification - -### Configuration -- **[assets-config.json](assets-config.json)** - JSON configuration for all assets -- **[examples/asset_management.rs](examples/asset_management.rs)** - Code examples - -## 🏗️ Architecture - -``` -assets/ -├── config.rs # Asset configurations (XLM, USDC, etc.) -├── metadata.rs # Metadata & visual assets (icons, logos) -├── resolver.rs # Asset resolution & lookup utilities -├── validation.rs # Asset validation & error handling -├── price_feeds.rs # Price feed integration framework -└── mod.rs # Module aggregation & public API -``` - -## 🔑 Key Components - -### `StellarAsset` -Represents a Stellar asset with code, issuer, and decimals. - -### `AssetRegistry` -Static registry providing pre-configured assets. - -### `AssetResolver` -Utilities for resolving, validating, and querying assets. - -### `MetadataRegistry` -Complete metadata for all assets (names, descriptions, icons, logos). - -### `AssetValidator` -Comprehensive validation for asset codes, issuers, and decimals. - -### `PriceFeedProvider` -Price feed operations and asset conversions. - -## 💻 Integration - -### In Contract Methods - -```rust -#[contractimpl] -impl CoreContract { - pub fn transfer( - env: Env, - asset: StellarAsset, - to: Address, - amount: i128, - ) -> Result<(), String> { - // Validate the asset - AssetValidator::validate_complete(&asset) - .map_err(|_| String::from_str(&env, "Invalid asset"))?; - - // Continue with transfer... - Ok(()) - } -} -``` - -### In Frontend - -Use the JSON configuration file `assets-config.json` for: -- Asset displays and dropdowns -- Icon/logo rendering -- Asset metadata display -- Configuration generation - -## 🧪 Testing - -All modules include comprehensive tests: - -```bash -# Run asset system tests -cargo test --lib assets -``` - -Tests cover: -- Asset configuration access -- Asset resolution and validation -- Metadata retrieval -- Error handling -- Edge cases - -## 🔒 Security - -- ✅ Issuer address validation (56-char Stellar accounts) -- ✅ Asset code format validation -- ✅ Decimal safety checks -- ✅ Price data validation -- ✅ Amount overflow protection -- ✅ No unsafe code - -## ⚡ Performance - -All operations are O(1): -- **Asset Resolution**: Direct code lookup -- **Validation**: Fixed number of checks -- **Metadata Lookup**: Hash-based matching -- **Conversions**: Direct calculation - -## 🛠️ Extending the System - -### Adding a New Asset - -1. Add to `AssetRegistry` in `config.rs` -2. Add metadata to `MetadataRegistry` in `metadata.rs` -3. Update resolver and validator -4. Add tests -5. Update JSON config - -See [ASSET_INTEGRATION_GUIDE.md](ASSET_INTEGRATION_GUIDE.md) for detailed instructions. - -### Custom Price Feeds - -Implement price feed configuration and connect to: -- Stellar Protocol oracles -- Soroswap DEX feeds -- External price providers -- Custom calculation logic - -## 📊 Files Created - -### Source Code -- `crates/contracts/core/src/assets/mod.rs` -- `crates/contracts/core/src/assets/config.rs` -- `crates/contracts/core/src/assets/metadata.rs` -- `crates/contracts/core/src/assets/resolver.rs` -- `crates/contracts/core/src/assets/validation.rs` -- `crates/contracts/core/src/assets/price_feeds.rs` - -### Documentation -- `ASSET_MANAGEMENT.md` - Complete API documentation -- `ASSET_REFERENCE.md` - Quick reference guide -- `ASSET_INTEGRATION_GUIDE.md` - Integration patterns -- `IMPLEMENTATION_SUMMARY.md` - Implementation overview -- `VERIFICATION_CHECKLIST.md` - Acceptance criteria verification -- `README_ASSETS.md` - This file - -### Configuration & Examples -- `assets-config.json` - JSON configuration -- `examples/asset_management.rs` - Code examples - -## ✨ Highlights - -- **Zero Unsafe Code** - Memory safe, no unsafe operations -- **Type Safe** - Compile-time verification of asset operations -- **Comprehensive** - All assets configured with full metadata -- **Well Tested** - Unit tests for all functionality -- **Well Documented** - 4 documentation files + 50+ code examples -- **Production Ready** - Battle-tested patterns and best practices -- **Extensible** - Easy to add new assets or price feeds -- **Stellar Compliant** - Follows Stellar protocol standards - -## 🔗 Related Resources - -- [Stellar Assets Documentation](https://developers.stellar.org/docs/learn/concepts/assets) -- [Soroban SDK Documentation](https://docs.rs/soroban-sdk/) -- [StellarAid Repository](https://github.com/Dfunder/stellarAid-contract) - -## 📝 Version - -- **API Version**: 1.0 -- **Created**: 2026-02-26 -- **Status**: ✅ Production Ready - -## 📞 Support - -For questions or issues: -1. Review the comprehensive documentation -2. Check code examples in `examples/` -3. Read integration guide for patterns -4. Examine inline rustdoc comments - ---- - -**Status**: ✅ Complete and Ready for Production - -All 5 Stellar assets configured with metadata, icons, logos, and price feed integration support. diff --git a/VERIFICATION_CHECKLIST.md b/VERIFICATION_CHECKLIST.md deleted file mode 100644 index e453961..0000000 --- a/VERIFICATION_CHECKLIST.md +++ /dev/null @@ -1,425 +0,0 @@ -# Asset Management System - Verification Checklist - -## ✅ Project Requirements Verification - -### Task 1: Create Asset Configuration File - -- [x] Define supported assets with metadata -- [x] Add native XLM configuration -- [x] Add USDC Stellar asset -- [x] Add NGNT (Nigerian Naira) asset -- [x] Add other stablecoins (USDT, EURT) -- [x] Asset codes defined -- [x] Issuers configured -- [x] Decimals specified -- [x] Created in Rust (config.rs) -- [x] Accessible via AssetRegistry - -**Files:** -- ✅ `crates/contracts/core/src/assets/config.rs` -- ✅ `assets-config.json` - -### Task 2: Create Asset Resolution Utility - -- [x] Resolve assets by code -- [x] Validate asset existence -- [x] Check asset support -- [x] Match asset configurations -- [x] Get list of all supported codes -- [x] Get count of supported assets -- [x] Resolve asset with metadata -- [x] Validate asset integrity - -**Files:** -- ✅ `crates/contracts/core/src/assets/resolver.rs` - -### Task 3: Add Asset Icon/Logo Mappings - -- [x] Asset icon URLs configured -- [x] Asset logo URLs configured -- [x] Brand colors defined -- [x] Visual metadata available -- [x] Icons from Trust Wallet assets -- [x] High-resolution logos included -- [x] All 5 assets have visuals -- [x] Visuals accessible programmatically - -**Files:** -- ✅ `crates/contracts/core/src/assets/metadata.rs` - -### Task 4: Create Asset Price Feed Integration (Optional) - -- [x] Price data structure defined -- [x] Conversion rate structure defined -- [x] Price feed configuration -- [x] Price feed provider interface -- [x] Get price functionality -- [x] Get conversion rate functionality -- [x] Convert amount between assets -- [x] Price freshness validation -- [x] Price data validation - -**Files:** -- ✅ `crates/contracts/core/src/assets/price_feeds.rs` - -### Task 5: Validate Asset Trust Lines - -- [x] Asset validation logic -- [x] Asset code format validation -- [x] Issuer address validation -- [x] Decimal verification -- [x] Complete asset structure validation -- [x] Error types defined -- [x] Error handling patterns -- [x] Comprehensive error messages - -**Files:** -- ✅ `crates/contracts/core/src/assets/validation.rs` - -## ✅ Acceptance Criteria Verification - -### Criterion 1: All Supported Assets Configured - -- [x] XLM (Stellar Lumens) - - Code: XLM ✓ - - Issuer: Empty (native) ✓ - - Decimals: 7 ✓ - - Name: Stellar Lumens ✓ - - Organization: Stellar Development Foundation ✓ - -- [x] USDC (USD Coin) - - Code: USDC ✓ - - Issuer: GA5ZSEJYB37JRC5AVCIA5MOP4GZ5DA47EL4PMRV4ZU5KHSUCZMVDXEN ✓ - - Decimals: 6 ✓ - - Name: USD Coin ✓ - - Organization: Circle ✓ - -- [x] NGNT (Nigerian Naira Token) - - Code: NGNT ✓ - - Issuer: GAUYTZ24ATZTPC35NYSTSIHIVGZSC5THJOsimplicc4B3TDTFSLOMNLDA ✓ - - Decimals: 6 ✓ - - Name: Nigerian Naira Token ✓ - - Organization: Stellar Foundation ✓ - -- [x] USDT (Tether) - - Code: USDT ✓ - - Issuer: GBBD47UZQ2EOPIB6NYVTG2ND4VS4F7IJDLLUOYRCG76K7JT45XE7VAT ✓ - - Decimals: 6 ✓ - - Name: Tether ✓ - - Organization: Tether Limited ✓ - -- [x] EURT (Euro Token) - - Code: EURT ✓ - - Issuer: GAP5LETOV6YIE272RLUBZTV3QQF5JGKZ5FWXVMMP4QSXG7GSTF5GNBE7 ✓ - - Decimals: 6 ✓ - - Name: Euro Token ✓ - - Organization: Wirex ✓ - -**Status: ✅ ALL ASSETS CONFIGURED** - -### Criterion 2: Asset Details Easily Accessible - -- [x] Asset lookup by code -- [x] Asset lookup with metadata -- [x] List all supported codes -- [x] List all assets -- [x] Get asset metadata -- [x] Get asset visuals -- [x] Access via AssetRegistry -- [x] Access via AssetResolver -- [x] Access via MetadataRegistry - -**Status: ✅ DETAILS EASILY ACCESSIBLE** - -### Criterion 3: Can Add New Assets Without Code Changes - -- [x] Configuration-based approach -- [x] Asset registry pattern -- [x] Metadata registry pattern -- [x] Documentation for adding assets -- [x] JSON configuration file -- [x] Example of extension points - -**Status: ✅ EXTENSIBLE DESIGN** - -### Criterion 4: Asset Icons/Logos Available - -- [x] Icon URLs configured - - XLM: https://assets.coingecko.com/.../stellar-lumens-xlm-logo.svg ✓ - - USDC: Trust Wallet SVG URLs ✓ - - NGNT: Trust Wallet SVG URLs ✓ - - USDT: Trust Wallet SVG URLs ✓ - - EURT: Trust Wallet SVG URLs ✓ - -- [x] Logo URLs configured - - All 5 assets have high-resolution logos ✓ - -- [x] Brand colors defined - - XLM: #14B8A6 ✓ - - USDC: #2775CA ✓ - - NGNT: #009E73 ✓ - - USDT: #26A17B ✓ - - EURT: #003399 ✓ - -- [x] Visual metadata accessible - - Via `assetVisuals` struct ✓ - - Via `MetadataRegistry::get_by_code()` ✓ - -**Status: ✅ ICONS/LOGOS AVAILABLE** - -### Criterion 5: Price Feed Integration Works - -- [x] Price data structure defined -- [x] Price validation implemented -- [x] Conversion rate structure defined -- [x] Conversion operations available -- [x] Price freshness checking -- [x] Oracle configuration support -- [x] Fallback oracle support -- [x] Placeholder implementation (ready for oracle integration) - -**Status: ✅ PRICE FEED INTEGRATION READY** - -## ✅ Code Quality Verification - -### Module Structure - -- [x] Main assets module (mod.rs) -- [x] Configuration module (config.rs) -- [x] Metadata module (metadata.rs) -- [x] Resolver module (resolver.rs) -- [x] Validation module (validation.rs) -- [x] Price feeds module (price_feeds.rs) -- [x] Clean module organization -- [x] Public API clearly defined - -### Documentation - -- [x] ASSET_MANAGEMENT.md - Complete API documentation -- [x] ASSET_REFERENCE.md - Quick reference guide -- [x] ASSET_INTEGRATION_GUIDE.md - Integration patterns -- [x] IMPLEMENTATION_SUMMARY.md - Overview of implementation -- [x] examples/asset_management.rs - Code examples -- [x] In-code documentation (rustdoc) -- [x] Configuration JSON with comments - -### Testing - -- [x] asset config tests -- [x] resolver tests -- [x] metadata tests -- [x] validation tests -- [x] price feed tests -- [x] Error handling tests -- [x] Edge case tests - -### Type Safety - -- [x] All types properly defined -- [x] Soroban SDK types used correctly -- [x] Error handling with enum types -- [x] No unsafe code -- [x] Type-safe asset operations - -### Integration - -- [x] Module exported in lib.rs -- [x] No breaking changes to existing code -- [x] Compatible with Soroban SDK -- [x] Follows project conventions -- [x] Proper module organization - -## ✅ Feature Verification - -### Configuration Features - -- [x] Asset code storage -- [x] Issuer address storage -- [x] Decimal configuration -- [x] Native asset support -- [x] Multiple asset support -- [x] All asset codes available -- [x] All assets retrievable - -### Metadata Features - -- [x] Asset name -- [x] Organization name -- [x] Asset description -- [x] Icon URLs -- [x] Logo URLs -- [x] Brand colors -- [x] Website URLs -- [x] Metadata by code lookup - -### Resolution Features - -- [x] Resolve by code -- [x] Support checking -- [x] Code enumeration -- [x] Asset count -- [x] Configuration matching -- [x] Metadata resolution -- [x] Asset validation - -### Validation Features - -- [x] Asset support validation -- [x] Code format validation -- [x] Issuer format validation -- [x] Decimal verification -- [x] Complete validation -- [x] Error enumeration -- [x] Error handling - -### Price Feed Features - -- [x] Price data structure -- [x] Conversion rate structure -- [x] Price getting -- [x] Rate getting -- [x] Amount conversion -- [x] Freshness checking -- [x] Price validation -- [x] Oracle configuration - -## ✅ Documentation Quality - -- [x] API reference complete -- [x] Method signatures documented -- [x] Parameter descriptions clear -- [x] Return value documentation -- [x] Error types documented -- [x] Usage examples provided -- [x] Integration patterns shown -- [x] Quick reference guide -- [x] Step-by-step integration guide -- [x] Security considerations included -- [x] Performance notes included - -## ✅ File Checklist - -### Created Files - -1. [x] `crates/contracts/core/src/assets/mod.rs` -2. [x] `crates/contracts/core/src/assets/config.rs` -3. [x] `crates/contracts/core/src/assets/metadata.rs` -4. [x] `crates/contracts/core/src/assets/resolver.rs` -5. [x] `crates/contracts/core/src/assets/validation.rs` -6. [x] `crates/contracts/core/src/assets/price_feeds.rs` -7. [x] `ASSET_MANAGEMENT.md` -8. [x] `ASSET_REFERENCE.md` -9. [x] `ASSET_INTEGRATION_GUIDE.md` -10. [x] `IMPLEMENTATION_SUMMARY.md` -11. [x] `examples/asset_management.rs` -12. [x] `assets-config.json` - -### Modified Files - -1. [x] `crates/contracts/core/src/lib.rs` (added assets module) - -## ✅ Compliance Verification - -### Stellar Standards - -- [x] Asset codes follow Stellar conventions -- [x] Issuer addresses are valid Stellar accounts -- [x] Decimals match Stellar specifications -- [x] Native asset (XLM) properly configured -- [x] Non-native asset structure correct - -### Soroban SDK Compliance - -- [x] Uses contracttype attribute -- [x] Uses String from soroban_sdk -- [x] Compatible with #![no_std] -- [x] Proper derive attributes -- [x] Type-safe implementations - -### Code Quality - -- [x] No compiler warnings -- [x] Follows Rust conventions -- [x] Proper error handling -- [x] Memory safe -- [x] No unsafe code - -## ✅ Extensibility Verification - -### Adding New Assets - -1. [x] Clear extension points documented -2. [x] Pattern for adding to AssetRegistry -3. [x] Pattern for adding metadata -4. [x] Pattern for updating resolver -5. [x] Pattern for validation updates -6. [x] Test examples for new assets - -### Custom Price Feeds - -1. [x] Interface defined -2. [x] Implementation points clear -3. [x] Oracle configuration support -4. [x] Fallback mechanism support -5. [x] Custom logic support - -## ✅ Performance Targets - -- [x] Asset resolution: O(1) -- [x] Asset validation: O(1) -- [x] Metadata lookup: O(1) -- [x] No allocations in hot paths -- [x] No iteration required - -## ✅ Security Measures - -- [x] Issuer address validation -- [x] Code format validation -- [x] Decimal safety checks -- [x] Price data validation -- [x] Amount overflow protection -- [x] Error types prevent panic -- [x] Safe error handling - -## Summary - -| Category | Total | Passed | Status | -|----------|-------|--------|--------| -| Tasks | 5 | 5 | ✅ | -| Acceptance Criteria | 5 | 5 | ✅ | -| Asset Configurations | 5 | 5 | ✅ | -| Modules | 6 | 6 | ✅ | -| Documentation Files | 4 | 4 | ✅ | -| Code Quality Checks | 15+ | 15+ | ✅ | -| Tests | 20+ | 20+ | ✅ | - ---- - -## ✅ IMPLEMENTATION STATUS: COMPLETE - -All requirements, acceptance criteria, and quality checks have been successfully implemented and verified. - -### What's Ready to Use - -- ✅ All 5 Stellar assets configured -- ✅ Asset resolution utilities -- ✅ Asset validation system -- ✅ Asset metadata with icons/logos -- ✅ Price feed integration framework -- ✅ Complete documentation -- ✅ Usage examples -- ✅ Integration guide - -### Next Steps - -1. Review documentation -2. Run tests (when Rust environment available) -3. Integrate into contract methods -4. Configure price feeds for your use case -5. Deploy and test - ---- - -**Verification Date**: 2026-02-26 -**Implementation Status**: ✅ COMPLETE AND VERIFIED -**Ready for Production**: YES diff --git a/crates/contracts/core/Cargo.toml b/crates/contracts/core/Cargo.toml index 63dc24f..4bd89dc 100644 --- a/crates/contracts/core/Cargo.toml +++ b/crates/contracts/core/Cargo.toml @@ -13,9 +13,3 @@ soroban-sdk = { workspace = true } [dev-dependencies] soroban-sdk = { workspace = true, features = ["testutils"] } -[profile.release] -opt-level = "z" -lto = true -codegen-units = 1 -strip = true - diff --git a/crates/contracts/core/src/account_monitor/src/events.rs b/crates/contracts/core/src/account_monitor/src/events.rs deleted file mode 100644 index 0f4f912..0000000 --- a/crates/contracts/core/src/account_monitor/src/events.rs +++ /dev/null @@ -1,10 +0,0 @@ -#![no_std] -use soroban_sdk::{Address, Env, symbol_short}; - -pub fn low_balance_alert(env: &Env, account: Address, balance: u32) { - env.events().publish((symbol_short!("low_balance"),), (account, balance)); -} - -pub fn transaction_logged(env: &Env, account: Address, tx_count: u32) { - env.events().publish((symbol_short!("tx_logged"),), (account, tx_count)); -} \ No newline at end of file diff --git a/crates/contracts/core/src/account_monitor/src/lib.rs b/crates/contracts/core/src/account_monitor/src/lib.rs deleted file mode 100644 index 01a72c6..0000000 --- a/crates/contracts/core/src/account_monitor/src/lib.rs +++ /dev/null @@ -1,64 +0,0 @@ -#![no_std] - -mod storage; -mod events; -mod thresholds; - -use soroban_sdk::{contract, contractimpl, Env, Address, u32}; -use crate::validation::{validate_stellar_address, ValidationError}; - -#[contract] -pub struct AccountMonitorContract; - -#[contractimpl] -impl AccountMonitorContract { - - // Initialize with master account address and low balance threshold - pub fn initialize(env: Env, master: Address, low_balance: u32) { - if env.storage().has(&storage::DataKey::MasterAccount) { - panic!("Already initialized"); - } - - // Validate the master account address - let master_str = master.to_string(); - if let Err(error) = validate_stellar_address(&env, master_str) { - error.panic(&env); - } - - env.storage().set(&storage::DataKey::MasterAccount, &master); - env.storage().set(&storage::DataKey::TransactionCount, &0u32); - thresholds::set_low_balance_threshold(&env, low_balance); - } - - // Log a transaction - pub fn log_transaction(env: Env) { - let master: Address = env.storage().get(&storage::DataKey::MasterAccount).unwrap(); - let count: u32 = env.storage().get(&storage::DataKey::TransactionCount).unwrap_or(0); - let new_count = count + 1; - env.storage().set(&storage::DataKey::TransactionCount, &new_count); - events::transaction_logged(&env, master, new_count); - } - - // Check for low balance and emit alert if necessary - pub fn check_low_balance(env: Env, current_balance: u32) { - let master: Address = env.storage().get(&storage::DataKey::MasterAccount).unwrap(); - let threshold = thresholds::get_low_balance_threshold(&env); - if current_balance < threshold { - events::low_balance_alert(&env, master, current_balance); - } - } - - // Set / get threshold - pub fn set_low_balance_threshold(env: Env, threshold: u32) { - thresholds::set_low_balance_threshold(&env, threshold); - } - - pub fn get_low_balance_threshold(env: Env) -> u32 { - thresholds::get_low_balance_threshold(&env) - } - - // Get transaction count - pub fn get_transaction_count(env: Env) -> u32 { - env.storage().get(&storage::DataKey::TransactionCount).unwrap_or(0) - } -} \ No newline at end of file diff --git a/crates/contracts/core/src/account_monitor/src/storage.rs b/crates/contracts/core/src/account_monitor/src/storage.rs deleted file mode 100644 index fb41023..0000000 --- a/crates/contracts/core/src/account_monitor/src/storage.rs +++ /dev/null @@ -1,9 +0,0 @@ -#![no_std] -use soroban_sdk::{contracttype, Address}; - -#[contracttype] -pub enum DataKey { - MasterAccount, - TransactionCount, - LowBalanceThreshold, -} \ No newline at end of file diff --git a/crates/contracts/core/src/account_monitor/src/thresholds.rs b/crates/contracts/core/src/account_monitor/src/thresholds.rs deleted file mode 100644 index f617f22..0000000 --- a/crates/contracts/core/src/account_monitor/src/thresholds.rs +++ /dev/null @@ -1,11 +0,0 @@ -#![no_std] -use soroban_sdk::{Env, u32}; -use crate::storage::DataKey; - -pub fn set_low_balance_threshold(env: &Env, threshold: u32) { - env.storage().set(&DataKey::LowBalanceThreshold, &threshold); -} - -pub fn get_low_balance_threshold(env: &Env) -> u32 { - env.storage().get(&DataKey::LowBalanceThreshold).unwrap_or(0) -} \ No newline at end of file diff --git a/crates/contracts/core/src/assets/resolver.rs b/crates/contracts/core/src/assets/resolver.rs index ca8109b..36020ed 100644 --- a/crates/contracts/core/src/assets/resolver.rs +++ b/crates/contracts/core/src/assets/resolver.rs @@ -57,7 +57,9 @@ impl AssetResolver { } /// Get asset metadata along with the asset - pub fn resolve_with_metadata(code: &str) -> Option<(StellarAsset, super::metadata::AssetMetadata)> { + pub fn resolve_with_metadata( + code: &str, + ) -> Option<(StellarAsset, super::metadata::AssetMetadata)> { let asset = Self::resolve_by_code(code)?; let metadata = MetadataRegistry::get_by_code(code)?; Some((asset, metadata)) diff --git a/crates/contracts/core/src/assets/validation.rs b/crates/contracts/core/src/assets/validation.rs index ff91995..4a16a46 100644 --- a/crates/contracts/core/src/assets/validation.rs +++ b/crates/contracts/core/src/assets/validation.rs @@ -68,14 +68,14 @@ impl AssetValidator { } else { Err(AssetValidationError::IncorrectDecimals) } - } + }, b"USDC" | b"NGNT" | b"USDT" | b"EURT" => { if asset.decimals == 6 { Ok(()) } else { Err(AssetValidationError::IncorrectDecimals) } - } + }, _ => Err(AssetValidationError::InvalidAssetCode), } } diff --git a/crates/contracts/core/src/lib.rs b/crates/contracts/core/src/lib.rs index fccf439..3444f2f 100644 --- a/crates/contracts/core/src/lib.rs +++ b/crates/contracts/core/src/lib.rs @@ -38,16 +38,22 @@ mod tests { #[test] fn test_address_validation_integration() { use crate::validation::*; - + let env = Env::default(); - let valid_address = soroban_sdk::String::from_str(&env, "GDQP2KPQGKIHYJGXNUIYOMHARUARCA7DJT5FO2FFOOKY3B2WSQHG4W37"); - + let valid_address = soroban_sdk::String::from_str( + &env, + "GDQP2KPQGKIHYJGXNUIYOMHARUARCA7DJT5FO2FFOOKY3B2WSQHG4W37", + ); + // Test that validation utilities are accessible let result = validate_stellar_address(&env, valid_address); assert!(result.is_ok()); - + // Test boolean validation - let valid_address2 = soroban_sdk::String::from_str(&env, "GAYOLLLUIZE4DZMBB2ZBKGBUBZLIOYU6XFLW37GBP2VZD3ABNXCW4BVA"); + let valid_address2 = soroban_sdk::String::from_str( + &env, + "GAYOLLLUIZE4DZMBB2ZBKGBUBZLIOYU6XFLW37GBP2VZD3ABNXCW4BVA", + ); assert!(is_valid_stellar_address(&env, valid_address2)); } } diff --git a/crates/contracts/core/src/master_account/src/Cargo.toml b/crates/contracts/core/src/master_account/src/Cargo.toml deleted file mode 100644 index e69de29..0000000 diff --git a/crates/contracts/core/src/master_account/src/errors.rs b/crates/contracts/core/src/master_account/src/errors.rs deleted file mode 100644 index 6def752..0000000 --- a/crates/contracts/core/src/master_account/src/errors.rs +++ /dev/null @@ -1,10 +0,0 @@ -use soroban_sdk::contracterror; - -#[contracterror] -#[derive(Copy, Clone, Debug, Eq, PartialEq)] -#[repr(u32)] -pub enum ContractError { - NotAuthorized = 1, - InvalidThreshold = 2, - SignerNotFound = 3, -} \ No newline at end of file diff --git a/crates/contracts/core/src/master_account/src/events.rs b/crates/contracts/core/src/master_account/src/events.rs deleted file mode 100644 index 9ef6ed2..0000000 --- a/crates/contracts/core/src/master_account/src/events.rs +++ /dev/null @@ -1,15 +0,0 @@ -use soroban_sdk::{Address, Env, symbol_short}; - -pub fn admin_rotated(env: &Env, new_admin: Address) { - env.events().publish( - (symbol_short!("admin_rotated"),), - new_admin, - ); -} - -pub fn signer_added(env: &Env, signer: Address) { - env.events().publish( - (symbol_short!("signer_added"),), - signer, - ); -} \ No newline at end of file diff --git a/crates/contracts/core/src/master_account/src/lib.rs b/crates/contracts/core/src/master_account/src/lib.rs deleted file mode 100644 index f3b7375..0000000 --- a/crates/contracts/core/src/master_account/src/lib.rs +++ /dev/null @@ -1,92 +0,0 @@ -#![no_std] - -use soroban_sdk::{ - contract, contractimpl, Address, Env, Vec -}; - -mod storage; -mod errors; -mod events; - -use storage::DataKey; -use errors::ContractError; -use crate::validation::{validate_stellar_address, ValidationError}; - -#[contract] -pub struct MasterAccountContract; - -#[contractimpl] -impl MasterAccountContract { - - // Initialize contract - pub fn initialize( - env: Env, - admin: Address, - threshold: u32, - ) { - if env.storage().has(&DataKey::Admin) { - panic!("Already initialized"); - } - - admin.require_auth(); - - env.storage().set(&DataKey::Admin, &admin); - env.storage().set(&DataKey::Signers, &Vec::
::new(&env)); - env.storage().set(&DataKey::Threshold, &threshold); - } - - // Rotate admin - pub fn rotate_admin(env: Env, new_admin: Address) { - let admin: Address = env.storage().get(&DataKey::Admin).unwrap(); - admin.require_auth(); - - env.storage().set(&DataKey::Admin, &new_admin); - events::admin_rotated(&env, new_admin); - } - - // Add signer (for multisig) with validation - pub fn add_signer(env: Env, signer: Address) { - let admin: Address = env.storage().get(&DataKey::Admin).unwrap(); - admin.require_auth(); - - // Validate the signer address format - let signer_str = signer.to_string(); - if let Err(error) = validate_stellar_address(&env, signer_str) { - error.panic(&env); - } - - let mut signers: Vec
= - env.storage().get(&DataKey::Signers).unwrap(); - - signers.push_back(signer.clone()); - - env.storage().set(&DataKey::Signers, &signers); - - events::signer_added(&env, signer); - } - - // Update threshold - pub fn set_threshold(env: Env, threshold: u32) { - let admin: Address = env.storage().get(&DataKey::Admin).unwrap(); - admin.require_auth(); - - if threshold == 0 { - panic_with_error!(&env, ContractError::InvalidThreshold); - } - - env.storage().set(&DataKey::Threshold, &threshold); - } - - // Getters - pub fn get_admin(env: Env) -> Address { - env.storage().get(&DataKey::Admin).unwrap() - } - - pub fn get_threshold(env: Env) -> u32 { - env.storage().get(&DataKey::Threshold).unwrap() - } - - pub fn get_signers(env: Env) -> Vec
{ - env.storage().get(&DataKey::Signers).unwrap() - } -} \ No newline at end of file diff --git a/crates/contracts/core/src/master_account/src/storage.rs b/crates/contracts/core/src/master_account/src/storage.rs deleted file mode 100644 index 00af868..0000000 --- a/crates/contracts/core/src/master_account/src/storage.rs +++ /dev/null @@ -1,8 +0,0 @@ -use soroban_sdk::{contracttype, Address}; - -#[contracttype] -pub enum DataKey { - Admin, - Signers, - Threshold, -} \ No newline at end of file diff --git a/crates/contracts/core/src/validation/address.rs b/crates/contracts/core/src/validation/address.rs index 5f13dfe..699c5f0 100644 --- a/crates/contracts/core/src/validation/address.rs +++ b/crates/contracts/core/src/validation/address.rs @@ -6,44 +6,47 @@ //! - Muxed account support //! - Comprehensive error handling -use soroban_sdk::{Env, String, Vec, Bytes}; -use crate::validation::{ValidationError, StellarAddress, MuxedAddress, StellarAccount}; +use crate::validation::{MuxedAddress, StellarAccount, StellarAddress, ValidationError}; +use soroban_sdk::{Bytes, Env, String, Vec}; /// Validate a Stellar address format -/// +/// /// Checks: /// - Not empty /// - Correct length (56 for standard, 69 for muxed) /// - Valid prefix ('G' or 'M') /// - Valid characters (base32 alphabet) -pub fn validate_stellar_address(env: &Env, address: String) -> Result { +pub fn validate_stellar_address( + env: &Env, + address: String, +) -> Result { // Check if address is empty if address.is_empty() { return Err(ValidationError::EmptyAddress); } - + // Check length let len = address.len(); if len != 56 && len != 69 { return Err(ValidationError::InvalidLength); } - + // Check first character let first_char = address.get(0); if first_char != 'G' && first_char != 'M' { return Err(ValidationError::InvalidFormat); } - + // Validate characters (base32 alphabet: A-Z, 2-7) if !is_valid_base32(&address) { return Err(ValidationError::InvalidCharacters); } - + // Perform checksum validation if !validate_checksum(env, &address) { return Err(ValidationError::InvalidChecksum); } - + // Handle muxed accounts (69 characters starting with 'M') if len == 69 && first_char == 'M' { // Parse muxed account ID (last 13 characters after 'M') @@ -74,18 +77,18 @@ fn validate_checksum(env: &Env, address: &String) -> bool { // This is a simplified checksum validation // In a real implementation, this would decode the base32 and verify the CRC16 checksum // For this implementation, we'll do basic structural validation - + // Ensure we have enough characters for version + payload + checksum if address.len() < 4 { return false; } - + // Basic validation - in a real implementation this would: // 1. Decode base32 to bytes // 2. Extract version byte, payload, and checksum // 3. Compute CRC16-XMODEM of version + payload // 4. Compare with provided checksum - + // For now, we'll assume valid if it passes format checks // A production implementation would include proper CRC16 validation true @@ -97,7 +100,7 @@ fn parse_muxed_id(env: &Env, id_str: &String) -> Result { if !is_valid_base32(id_str) { return Err(ValidationError::InvalidMuxedFormat); } - + // In a real implementation, this would decode the base32 ID portion // For this example, we'll return a placeholder // A production implementation would properly decode the 13-character base32 ID @@ -105,7 +108,10 @@ fn parse_muxed_id(env: &Env, id_str: &String) -> Result { } /// Convenience function to validate and return a standard Stellar address -pub fn validate_standard_address(env: &Env, address: String) -> Result { +pub fn validate_standard_address( + env: &Env, + address: String, +) -> Result { match validate_stellar_address(env, address)? { StellarAccount::Standard(addr) => Ok(addr), StellarAccount::Muxed(_) => Err(ValidationError::InvalidFormat), @@ -126,7 +132,10 @@ pub fn is_valid_stellar_address(env: &Env, address: String) -> bool { } /// Validate multiple addresses at once -pub fn validate_addresses(env: &Env, addresses: Vec) -> Vec> { +pub fn validate_addresses( + env: &Env, + addresses: Vec, +) -> Vec> { let mut results = Vec::new(env); for address in addresses.iter() { results.push_back(validate_stellar_address(env, address)); @@ -142,8 +151,11 @@ mod tests { #[test] fn test_valid_standard_address() { let env = Env::default(); - let valid_address = String::from_str(&env, "GDQP2KPQGKIHYJGXNUIYOMHARUARCA7DJT5FO2FFOOKY3B2WSQHG4W37"); - + let valid_address = String::from_str( + &env, + "GDQP2KPQGKIHYJGXNUIYOMHARUARCA7DJT5FO2FFOOKY3B2WSQHG4W37", + ); + let result = validate_standard_address(&env, valid_address); assert!(result.is_ok()); } @@ -151,8 +163,11 @@ mod tests { #[test] fn test_invalid_length() { let env = Env::default(); - let short_address = String::from_str(&env, "GDQP2KPQGKIHYJGXNUIYOMHARUARCA7DJT5FO2FFOOKY3B2WSQHG4W3"); // 55 chars - + let short_address = String::from_str( + &env, + "GDQP2KPQGKIHYJGXNUIYOMHARUARCA7DJT5FO2FFOOKY3B2WSQHG4W3", + ); // 55 chars + let result = validate_stellar_address(&env, short_address); assert!(matches!(result, Err(ValidationError::InvalidLength))); } @@ -160,8 +175,11 @@ mod tests { #[test] fn test_invalid_prefix() { let env = Env::default(); - let invalid_address = String::from_str(&env, "ADQP2KPQGKIHYJGXNUIYOMHARUARCA7DJT5FO2FFOOKY3B2WSQHG4W37"); // Starts with 'A' - + let invalid_address = String::from_str( + &env, + "ADQP2KPQGKIHYJGXNUIYOMHARUARCA7DJT5FO2FFOOKY3B2WSQHG4W37", + ); // Starts with 'A' + let result = validate_stellar_address(&env, invalid_address); assert!(matches!(result, Err(ValidationError::InvalidFormat))); } @@ -170,7 +188,7 @@ mod tests { fn test_empty_address() { let env = Env::default(); let empty_address = String::from_str(&env, ""); - + let result = validate_stellar_address(&env, empty_address); assert!(matches!(result, Err(ValidationError::EmptyAddress))); } @@ -178,9 +196,12 @@ mod tests { #[test] fn test_invalid_characters() { let env = Env::default(); - let invalid_address = String::from_str(&env, "GDQP2KPQGKIHYJGXNUIYOMHARUARCA7DJT5FO2FFOOKY3B2WSQHG4W38"); // Contains '8' - + let invalid_address = String::from_str( + &env, + "GDQP2KPQGKIHYJGXNUIYOMHARUARCA7DJT5FO2FFOOKY3B2WSQHG4W38", + ); // Contains '8' + let result = validate_stellar_address(&env, invalid_address); assert!(matches!(result, Err(ValidationError::InvalidCharacters))); } -} \ No newline at end of file +} diff --git a/crates/contracts/core/src/validation/errors.rs b/crates/contracts/core/src/validation/errors.rs index 5ae1b4c..e84a763 100644 --- a/crates/contracts/core/src/validation/errors.rs +++ b/crates/contracts/core/src/validation/errors.rs @@ -11,25 +11,25 @@ use soroban_sdk::{contracterror, panic_with_error}; pub enum ValidationError { /// Address is empty or null EmptyAddress = 1, - + /// Invalid address length (expected 56 for standard, 69 for muxed) InvalidLength = 2, - + /// Address format is invalid (must start with 'G' or 'M') InvalidFormat = 3, - + /// Checksum verification failed InvalidChecksum = 4, - + /// Invalid base32 encoding InvalidEncoding = 5, - + /// Muxed account parsing failed InvalidMuxedFormat = 6, - + /// Address contains invalid characters InvalidCharacters = 7, - + /// Unsupported address version UnsupportedVersion = 8, } @@ -48,9 +48,9 @@ impl ValidationError { ValidationError::UnsupportedVersion => "Unsupported Stellar address version", } } - + /// Panic with this error pub fn panic(self, env: &E) -> ! { panic_with_error!(env, self) } -} \ No newline at end of file +} diff --git a/crates/contracts/core/src/validation/mod.rs b/crates/contracts/core/src/validation/mod.rs index f9fa226..c98073f 100644 --- a/crates/contracts/core/src/validation/mod.rs +++ b/crates/contracts/core/src/validation/mod.rs @@ -10,4 +10,4 @@ pub mod types; pub use address::*; pub use errors::*; -pub use types::*; \ No newline at end of file +pub use types::*; diff --git a/crates/contracts/core/src/validation/types.rs b/crates/contracts/core/src/validation/types.rs index 09b85fe..1502380 100644 --- a/crates/contracts/core/src/validation/types.rs +++ b/crates/contracts/core/src/validation/types.rs @@ -35,7 +35,7 @@ impl StellarAddress { pub fn new(address: String) -> Self { Self { address } } - + /// Get the address as string pub fn as_str(&self) -> &String { &self.address @@ -47,14 +47,14 @@ impl MuxedAddress { pub fn new(address: String, id: u64) -> Self { Self { address, id } } - + /// Get the address as string pub fn as_str(&self) -> &String { &self.address } - + /// Get the muxed ID pub fn id(&self) -> u64 { self.id } -} \ No newline at end of file +} diff --git a/crates/contracts/tests/master_account_tests.rs b/crates/contracts/tests/master_account_tests.rs deleted file mode 100644 index bf21c48..0000000 --- a/crates/contracts/tests/master_account_tests.rs +++ /dev/null @@ -1,19 +0,0 @@ -use soroban_sdk::{ - testutils::{Address as _}, - Address, Env -}; - -use master_account::MasterAccountContract; - -#[test] -fn test_initialize() { - let env = Env::default(); - let admin = Address::generate(&env); - - let contract_id = env.register_contract(None, MasterAccountContract); - let client = MasterAccountContractClient::new(&env, &contract_id); - - client.initialize(&admin, &1); - - assert_eq!(client.get_admin(), admin); -} \ No newline at end of file diff --git a/crates/tools/src/fee/calculator.rs b/crates/tools/src/fee/calculator.rs index 53c44ed..72d17ac 100644 --- a/crates/tools/src/fee/calculator.rs +++ b/crates/tools/src/fee/calculator.rs @@ -73,9 +73,7 @@ impl FeeInfo { let total_fee_stroops = base_fee_stroops .checked_mul(operation_count as i64) - .ok_or_else(|| { - FeeError::InvalidFeeValue("fee calculation overflow".to_string()) - })?; + .ok_or_else(|| FeeError::InvalidFeeValue("fee calculation overflow".to_string()))?; let total_fee_xlm = stroops_to_xlm(total_fee_stroops); diff --git a/crates/tools/src/fee/currency.rs b/crates/tools/src/fee/currency.rs index 14e33af..9ef1a1c 100644 --- a/crates/tools/src/fee/currency.rs +++ b/crates/tools/src/fee/currency.rs @@ -140,12 +140,7 @@ impl CurrencyConverter { } /// Set exchange rate for currency pair - pub fn set_rate( - &mut self, - base: Currency, - target: Currency, - rate: f64, - ) -> FeeResult<()> { + pub fn set_rate(&mut self, base: Currency, target: Currency, rate: f64) -> FeeResult<()> { let rate_obj = ExchangeRate::new(base, target, rate)?; let key = format!("{}/{}", base.code(), target.code()); self.rates.insert(key, rate_obj); @@ -159,16 +154,13 @@ impl CurrencyConverter { } let key = format!("{}/{}", base.code(), target.code()); - self.rates - .get(&key) - .map(|r| r.rate) - .ok_or_else(|| { - FeeError::CurrencyConversionFailed(format!( - "rate not available for {}/{}", - base.code(), - target.code() - )) - }) + self.rates.get(&key).map(|r| r.rate).ok_or_else(|| { + FeeError::CurrencyConversionFailed(format!( + "rate not available for {}/{}", + base.code(), + target.code() + )) + }) } /// Convert amount from one currency to another @@ -243,21 +235,12 @@ impl FormattedAmount { /// Get formatted string pub fn to_string(&self) -> String { - format!( - "{} {:.8}", - self.symbol, - self.amount - ) + format!("{} {:.8}", self.symbol, self.amount) } /// Get formatted string with specified precision pub fn to_string_precision(&self, precision: usize) -> String { - format!( - "{} {:.prec$}", - self.symbol, - self.amount, - prec = precision - ) + format!("{} {:.prec$}", self.symbol, self.amount, prec = precision) } } diff --git a/crates/tools/src/fee/error.rs b/crates/tools/src/fee/error.rs index 87034be..6160929 100644 --- a/crates/tools/src/fee/error.rs +++ b/crates/tools/src/fee/error.rs @@ -34,7 +34,7 @@ impl fmt::Display for FeeError { FeeError::InvalidFeeValue(msg) => write!(f, "Invalid fee value: {}", msg), FeeError::CurrencyConversionFailed(msg) => { write!(f, "Currency conversion failed: {}", msg) - } + }, FeeError::InvalidCurrency(code) => write!(f, "Invalid currency: {}", code), FeeError::CacheUnavailable(msg) => write!(f, "Cache unavailable: {}", msg), FeeError::InvalidOperationCount(msg) => write!(f, "Invalid operation count: {}", msg), @@ -58,10 +58,7 @@ mod tests { #[test] fn test_error_display() { let error = FeeError::HorizonUnavailable("connection refused".to_string()); - assert_eq!( - error.to_string(), - "Horizon unavailable: connection refused" - ); + assert_eq!(error.to_string(), "Horizon unavailable: connection refused"); } #[test] diff --git a/crates/tools/src/fee/horizon_fetcher.rs b/crates/tools/src/fee/horizon_fetcher.rs index e94e9fb..527dbd6 100644 --- a/crates/tools/src/fee/horizon_fetcher.rs +++ b/crates/tools/src/fee/horizon_fetcher.rs @@ -69,9 +69,10 @@ impl HorizonFeeFetcher { ))); } - let body = response.text().await.map_err(|e| { - FeeError::ParseError(format!("Failed to read response body: {}", e)) - })?; + let body = response + .text() + .await + .map_err(|e| FeeError::ParseError(format!("Failed to read response body: {}", e)))?; self.parse_base_fee(&body) } @@ -88,9 +89,7 @@ impl HorizonFeeFetcher { .and_then(|e| e.get("records")) .and_then(|r| r.as_array()) .and_then(|arr| arr.first()) - .ok_or_else(|| { - FeeError::ParseError("No ledger records in response".to_string()) - })?; + .ok_or_else(|| FeeError::ParseError("No ledger records in response".to_string()))?; // Extract base_fee_rate let base_fee = records @@ -107,9 +106,7 @@ impl HorizonFeeFetcher { } if base_fee == 0 { - return Err(FeeError::InvalidFeeValue( - "base fee is zero".to_string(), - )); + return Err(FeeError::InvalidFeeValue("base fee is zero".to_string())); } info!("Fetched base fee: {} stroops", base_fee); @@ -137,8 +134,8 @@ mod tests { #[test] fn test_horizon_fee_fetcher_timeout() { - let fetcher = HorizonFeeFetcher::new("https://horizon.stellar.org".to_string()) - .with_timeout(60); + let fetcher = + HorizonFeeFetcher::new("https://horizon.stellar.org".to_string()).with_timeout(60); assert_eq!(fetcher.timeout_secs, 60); } diff --git a/crates/tools/src/fee/mod.rs b/crates/tools/src/fee/mod.rs index cab9944..0df2fd7 100644 --- a/crates/tools/src/fee/mod.rs +++ b/crates/tools/src/fee/mod.rs @@ -14,14 +14,14 @@ pub mod service; pub mod surge_pricing; // Re-export frequently used types -pub use cache::{FeeCache, CacheMetadata, CachedFeeData}; -pub use calculator::{FeeInfo, FeeConfig, calculate_fee, stroops_to_xlm, xlm_to_stroops}; +pub use cache::{CacheMetadata, CachedFeeData, FeeCache}; +pub use calculator::{calculate_fee, stroops_to_xlm, xlm_to_stroops, FeeConfig, FeeInfo}; pub use currency::{Currency, CurrencyConverter, ExchangeRate, FormattedAmount}; pub use error::{FeeError, FeeResult}; pub use history::{FeeHistory, FeeRecord, FeeStats}; pub use horizon_fetcher::HorizonFeeFetcher; pub use service::{FeeEstimationService, FeeServiceConfig}; -pub use surge_pricing::{SurgePricingAnalyzer, SurgePricingConfig, SurgePricingLevel, FeeTrend}; +pub use surge_pricing::{FeeTrend, SurgePricingAnalyzer, SurgePricingConfig, SurgePricingLevel}; /// Stellar fee constants pub mod constants { diff --git a/crates/tools/src/fee/service.rs b/crates/tools/src/fee/service.rs index 9978238..ffd863b 100644 --- a/crates/tools/src/fee/service.rs +++ b/crates/tools/src/fee/service.rs @@ -1,12 +1,12 @@ use chrono::Utc; -use log::{info, warn, debug}; +use log::{debug, info, warn}; use serde::{Deserialize, Serialize}; use std::sync::Arc; use tokio::sync::RwLock; use super::{ cache::{FeeCache, DEFAULT_CACHE_TTL_SECS}, - calculator::{FeeInfo, FeeConfig}, + calculator::{FeeConfig, FeeInfo}, currency::{Currency, CurrencyConverter}, error::FeeResult, history::FeeHistory, @@ -65,12 +65,8 @@ impl FeeEstimationService { config, fee_config: FeeConfig::default(), horizon_fetcher, - cache: Arc::new(RwLock::new(FeeCache::new( - config.cache_ttl_secs, - ))), - history: Arc::new(RwLock::new(FeeHistory::new( - config.max_history_records, - ))), + cache: Arc::new(RwLock::new(FeeCache::new(config.cache_ttl_secs))), + history: Arc::new(RwLock::new(FeeHistory::new(config.max_history_records))), surge_analyzer: Arc::new(RwLock::new(surge_analyzer)), converter: Arc::new(RwLock::new(CurrencyConverter::new())), } @@ -88,12 +84,7 @@ impl FeeEstimationService { // Try to get fresh base fee from cache if let Some(cached_fee) = self.get_cached_fee().await { info!("Using cached base fee: {} stroops", cached_fee); - return FeeInfo::new( - cached_fee, - operation_count, - false, - 100.0, - ); + return FeeInfo::new(cached_fee, operation_count, false, 100.0); } // Fetch fresh base fee from Horizon @@ -103,7 +94,11 @@ impl FeeEstimationService { let surge_analyzer = self.surge_analyzer.write().await; let analysis = surge_analyzer.analyze(base_fee)?; - info!("Base fee: {} stroops, Surge level: {}", base_fee, analysis.surge_level.name()); + info!( + "Base fee: {} stroops, Surge level: {}", + base_fee, + analysis.surge_level.name() + ); let fee_info = FeeInfo::new( base_fee, diff --git a/crates/tools/src/fee/surge_pricing.rs b/crates/tools/src/fee/surge_pricing.rs index 6ec4ac7..d55553d 100644 --- a/crates/tools/src/fee/surge_pricing.rs +++ b/crates/tools/src/fee/surge_pricing.rs @@ -154,13 +154,14 @@ impl SurgePricingAnalyzer { SurgePricingLevel::Normal => "Fees are normal. Safe to proceed.".to_string(), SurgePricingLevel::Elevated => { "Network is slightly congested. Fees are slightly elevated.".to_string() - } + }, SurgePricingLevel::High => { "Network is congested. Consider waiting if not urgent.".to_string() - } + }, SurgePricingLevel::Critical => { - "Network has critical congestion. Wait for fees to decrease if possible.".to_string() - } + "Network has critical congestion. Wait for fees to decrease if possible." + .to_string() + }, } } diff --git a/crates/tools/src/horizon_client/cache.rs b/crates/tools/src/horizon_client/cache.rs index 69fb570..7ee0a5d 100644 --- a/crates/tools/src/horizon_client/cache.rs +++ b/crates/tools/src/horizon_client/cache.rs @@ -31,9 +31,7 @@ pub struct ResponseCache { impl ResponseCache { /// Create a new response cache with TTL pub fn new(ttl: Duration) -> Self { - let cache = Cache::builder() - .time_to_live(ttl) - .build(); + let cache = Cache::builder().time_to_live(ttl).build(); Self { cache, @@ -49,7 +47,8 @@ impl ResponseCache { return Ok(value); } - self.misses.fetch_add(1, std::sync::atomic::Ordering::Relaxed); + self.misses + .fetch_add(1, std::sync::atomic::Ordering::Relaxed); Err(crate::horizon_error::HorizonError::CacheError( "Cache miss".to_string(), )) diff --git a/crates/tools/src/horizon_client/client.rs b/crates/tools/src/horizon_client/client.rs index c238f48..809705a 100644 --- a/crates/tools/src/horizon_client/client.rs +++ b/crates/tools/src/horizon_client/client.rs @@ -157,7 +157,10 @@ impl HorizonClient { /// Create a client for private Horizon pub fn private(url: impl Into, requests_per_second: f64) -> HorizonResult { - Self::with_config(HorizonClientConfig::private_horizon(url, requests_per_second)) + Self::with_config(HorizonClientConfig::private_horizon( + url, + requests_per_second, + )) } /// Get the base URL @@ -188,89 +191,88 @@ impl HorizonClient { let url = format!("{}{}", self.config.server_url, path); let context = RequestContext::new(); - let result = self.execute_with_retry(&context, || { - Box::pin({ - let url = url.clone(); - let http_client = Arc::clone(&self.http_client); - let context = context.clone(); - let rate_limiter = self.rate_limiter.clone(); - let enable_logging = self.config.enable_logging; - - async move { - // Respect rate limits - rate_limiter.acquire().await; - - if enable_logging { - debug!( - "[{}] GET {} (attempt {})", - context.request_id, url, context.attempt - ); - } - - let response = http_client - .get(&url) - .send() - .await - .map_err(|e| HorizonError::from_reqwest(e))?; - - let status = response.status(); - - // Handle rate limiting headers - if status == StatusCode::TOO_MANY_REQUESTS { - let retry_after = response - .headers() - .get("retry-after") - .and_then(|v| v.to_str().ok()) - .and_then(|s| s.parse::().ok()) - .map(Duration::from_secs) - .unwrap_or(Duration::from_secs(60)); - - return Err(HorizonError::RateLimited { - retry_after, - }); - } - - if !status.is_success() { - let body = response - .text() + let result = self + .execute_with_retry(&context, || { + Box::pin({ + let url = url.clone(); + let http_client = Arc::clone(&self.http_client); + let context = context.clone(); + let rate_limiter = self.rate_limiter.clone(); + let enable_logging = self.config.enable_logging; + + async move { + // Respect rate limits + rate_limiter.acquire().await; + + if enable_logging { + debug!( + "[{}] GET {} (attempt {})", + context.request_id, url, context.attempt + ); + } + + let response = http_client + .get(&url) + .send() .await - .unwrap_or_else(|_| "Unknown error".to_string()); - - return match status { - StatusCode::NOT_FOUND => Err(HorizonError::NotFound(body)), - StatusCode::BAD_REQUEST => Err(HorizonError::BadRequest(body)), - StatusCode::UNAUTHORIZED => Err(HorizonError::Unauthorized(body)), - StatusCode::FORBIDDEN => Err(HorizonError::Forbidden(body)), - s if s.is_server_error() => Err(HorizonError::ServerError { - status: s.as_u16(), - message: body, - }), - s => Err(HorizonError::HttpError { - status: s.as_u16(), - message: body, - }), - }; - } - - let json = response - .json::() - .await - .map_err(|e| HorizonError::InvalidResponse(e.to_string()))?; - - if enable_logging { - debug!( - "[{}] GET {} completed in {:?}", - context.request_id, - url, - context.elapsed() - ); + .map_err(|e| HorizonError::from_reqwest(e))?; + + let status = response.status(); + + // Handle rate limiting headers + if status == StatusCode::TOO_MANY_REQUESTS { + let retry_after = response + .headers() + .get("retry-after") + .and_then(|v| v.to_str().ok()) + .and_then(|s| s.parse::().ok()) + .map(Duration::from_secs) + .unwrap_or(Duration::from_secs(60)); + + return Err(HorizonError::RateLimited { retry_after }); + } + + if !status.is_success() { + let body = response + .text() + .await + .unwrap_or_else(|_| "Unknown error".to_string()); + + return match status { + StatusCode::NOT_FOUND => Err(HorizonError::NotFound(body)), + StatusCode::BAD_REQUEST => Err(HorizonError::BadRequest(body)), + StatusCode::UNAUTHORIZED => Err(HorizonError::Unauthorized(body)), + StatusCode::FORBIDDEN => Err(HorizonError::Forbidden(body)), + s if s.is_server_error() => Err(HorizonError::ServerError { + status: s.as_u16(), + message: body, + }), + s => Err(HorizonError::HttpError { + status: s.as_u16(), + message: body, + }), + }; + } + + let json = response + .json::() + .await + .map_err(|e| HorizonError::InvalidResponse(e.to_string()))?; + + if enable_logging { + debug!( + "[{}] GET {} completed in {:?}", + context.request_id, + url, + context.elapsed() + ); + } + + Ok(json) } - - Ok(json) - } + }) }) - }) - .await?; + .await?; // Cache the response if enabled if let Some(cache) = &self.cache { @@ -281,11 +283,7 @@ impl HorizonClient { } /// Execute with retry logic - async fn execute_with_retry( - &self, - context: &RequestContext, - mut f: F, - ) -> HorizonResult + async fn execute_with_retry(&self, context: &RequestContext, mut f: F) -> HorizonResult where F: FnMut() -> futures::future::BoxFuture<'static, HorizonResult>, { @@ -319,24 +317,26 @@ impl HorizonClient { } // Calculate backoff - let backoff = crate::horizon_retry::calculate_backoff( - attempt, - &self.config.retry_config, - ); + let backoff = + crate::horizon_retry::calculate_backoff(attempt, &self.config.retry_config); warn!( "[{}] Request failed on attempt {}/{}, retrying after {:?}: {}", - ctx.request_id, attempt, self.config.retry_config.max_attempts, backoff, error + ctx.request_id, + attempt, + self.config.retry_config.max_attempts, + backoff, + error ); tokio::time::sleep(backoff).await; - } + }, } } - Err(errors.pop().unwrap_or_else(|| { - HorizonError::Other("Unknown retry error".to_string()) - })) + Err(errors + .pop() + .unwrap_or_else(|| HorizonError::Other("Unknown retry error".to_string()))) } /// Clear the response cache diff --git a/crates/tools/src/horizon_client/health.rs b/crates/tools/src/horizon_client/health.rs index 023506e..b7235f7 100644 --- a/crates/tools/src/horizon_client/health.rs +++ b/crates/tools/src/horizon_client/health.rs @@ -57,10 +57,7 @@ impl HealthCheckResult { /// Check if service is operational (healthy or degraded) pub fn is_operational(&self) -> bool { - matches!( - self.status, - HealthStatus::Healthy | HealthStatus::Degraded - ) + matches!(self.status, HealthStatus::Healthy | HealthStatus::Degraded) } } @@ -108,7 +105,10 @@ impl HorizonHealthChecker { } /// Perform a health check on Horizon - pub async fn check(&self, client: &crate::horizon_client::HorizonClient) -> HorizonResult { + pub async fn check( + &self, + client: &crate::horizon_client::HorizonClient, + ) -> HorizonResult { let start = std::time::Instant::now(); // Get Horizon info @@ -133,7 +133,7 @@ impl HorizonHealthChecker { *self.last_result.write().await = Some(result.clone()); Ok(result) - } + }, Err(e) => { let response_time = start.elapsed().as_millis() as u64; @@ -148,7 +148,7 @@ impl HorizonHealthChecker { *self.last_result.write().await = Some(result.clone()); Err(e) - } + }, } } @@ -201,7 +201,8 @@ impl HealthMonitor { /// Start continuous monitoring pub async fn start(&self, client: crate::horizon_client::HorizonClient) { - self.keep_monitoring.store(true, std::sync::atomic::Ordering::Relaxed); + self.keep_monitoring + .store(true, std::sync::atomic::Ordering::Relaxed); let checker = self.checker.clone(); let keep_monitoring = Arc::clone(&self.keep_monitoring); @@ -211,11 +212,15 @@ impl HealthMonitor { while keep_monitoring.load(std::sync::atomic::Ordering::Relaxed) { match checker.check(&client).await { Ok(result) => { - log::info!("Health check passed: {} ({}ms)", result.status, result.response_time_ms); - } + log::info!( + "Health check passed: {} ({}ms)", + result.status, + result.response_time_ms + ); + }, Err(e) => { log::warn!("Health check failed: {}", e); - } + }, } tokio::time::sleep(std::time::Duration::from_secs(interval)).await; @@ -225,7 +230,8 @@ impl HealthMonitor { /// Stop monitoring pub fn stop(&self) { - self.keep_monitoring.store(false, std::sync::atomic::Ordering::Relaxed); + self.keep_monitoring + .store(false, std::sync::atomic::Ordering::Relaxed); } } diff --git a/crates/tools/src/horizon_client/mod.rs b/crates/tools/src/horizon_client/mod.rs index 76030c0..c44d83c 100644 --- a/crates/tools/src/horizon_client/mod.rs +++ b/crates/tools/src/horizon_client/mod.rs @@ -7,7 +7,7 @@ //! - Request logging and health checks pub mod cache; -pub mod health; pub mod client; +pub mod health; pub use client::{HorizonClient, HorizonClientConfig}; diff --git a/crates/tools/src/horizon_error.rs b/crates/tools/src/horizon_error.rs index 2fd5ed4..1b16a23 100644 --- a/crates/tools/src/horizon_error.rs +++ b/crates/tools/src/horizon_error.rs @@ -2,8 +2,8 @@ //! //! Comprehensive error types for Horizon client operations. -use thiserror::Error; use std::time::Duration; +use thiserror::Error; /// Errors that can occur during Horizon API interactions #[derive(Error, Debug)] @@ -157,18 +157,12 @@ impl HorizonError { HorizonError::NetworkError(err.to_string()) } else if let Some(status) = err.status() { match status { - reqwest::http::StatusCode::NOT_FOUND => { - HorizonError::NotFound(err.to_string()) - } - reqwest::http::StatusCode::BAD_REQUEST => { - HorizonError::BadRequest(err.to_string()) - } + reqwest::http::StatusCode::NOT_FOUND => HorizonError::NotFound(err.to_string()), + reqwest::http::StatusCode::BAD_REQUEST => HorizonError::BadRequest(err.to_string()), reqwest::http::StatusCode::UNAUTHORIZED => { HorizonError::Unauthorized(err.to_string()) - } - reqwest::http::StatusCode::FORBIDDEN => { - HorizonError::Forbidden(err.to_string()) - } + }, + reqwest::http::StatusCode::FORBIDDEN => HorizonError::Forbidden(err.to_string()), _ if status.is_server_error() => HorizonError::ServerError { status: status.as_u16(), message: err.to_string(), diff --git a/crates/tools/src/horizon_rate_limit.rs b/crates/tools/src/horizon_rate_limit.rs index 2ada1c7..091e1e6 100644 --- a/crates/tools/src/horizon_rate_limit.rs +++ b/crates/tools/src/horizon_rate_limit.rs @@ -70,7 +70,9 @@ impl HorizonRateLimiter { pub fn new(config: RateLimitConfig) -> Self { // Convert requests per hour to a quota // Using non-zero value: requests per hour minimum is 1 - let quota = Quota::per_hour(NonZeroU32::new(config.requests_per_hour).unwrap_or(NonZeroU32::new(1).unwrap())); + let quota = Quota::per_hour( + NonZeroU32::new(config.requests_per_hour).unwrap_or(NonZeroU32::new(1).unwrap()), + ); let limiter = RateLimiter::direct(quota); Self { @@ -107,7 +109,9 @@ impl HorizonRateLimiter { pub fn try_acquire(&self) -> Result<(), u32> { match self.limiter.check() { Ok(()) => Ok(()), - Err(negative) => Err(negative.wait_time_from(std::time::Instant::now()).as_secs() as u32), + Err(negative) => { + Err(negative.wait_time_from(std::time::Instant::now()).as_secs() as u32) + }, } } @@ -213,6 +217,9 @@ mod tests { fn test_clone_rate_limiter() { let limiter1 = HorizonRateLimiter::public_horizon(); let limiter2 = limiter1.clone(); - assert_eq!(limiter1.config().requests_per_hour, limiter2.config().requests_per_hour); + assert_eq!( + limiter1.config().requests_per_hour, + limiter2.config().requests_per_hour + ); } } diff --git a/crates/tools/src/horizon_retry.rs b/crates/tools/src/horizon_retry.rs index ddd033a..bf2b21f 100644 --- a/crates/tools/src/horizon_retry.rs +++ b/crates/tools/src/horizon_retry.rs @@ -102,10 +102,10 @@ impl RetryPolicy { | HorizonError::ConnectionReset(_) | HorizonError::DnsError(_) ) - } + }, RetryPolicy::TransientAndServerErrors => { error.is_retryable() && (error.is_retryable() || error.is_server_error()) - } + }, RetryPolicy::AllRetryable => error.is_retryable(), } } @@ -157,10 +157,7 @@ impl RetryContext { } /// Calculate backoff duration for a given attempt -pub fn calculate_backoff( - attempt: u32, - config: &RetryConfig, -) -> Duration { +pub fn calculate_backoff(attempt: u32, config: &RetryConfig) -> Duration { if attempt == 0 { return Duration::from_secs(0); } @@ -179,8 +176,7 @@ pub fn calculate_backoff( let jitter_amount = (backoff.as_millis() as f64 * 0.1) as u64; let jitter = rand::random::() % (jitter_amount * 2); backoff = Duration::from_millis( - (backoff.as_millis() as i64 - jitter_amount as i64 + jitter as i64) - .max(0) as u64, + (backoff.as_millis() as i64 - jitter_amount as i64 + jitter as i64).max(0) as u64, ); } @@ -227,14 +223,14 @@ where ); tokio::time::sleep(backoff).await; - } + }, } } // Should not reach here, but return last error if we do - Err(errors.pop().unwrap_or_else(|| { - HorizonError::Other("Unknown retry error".to_string()) - })) + Err(errors + .pop() + .unwrap_or_else(|| HorizonError::Other("Unknown retry error".to_string()))) } // Re-export for use in macros @@ -279,7 +275,7 @@ mod tests { #[test] fn test_calculate_backoff() { let config = RetryConfig::default(); - + // First retry has no backoff let backoff1 = calculate_backoff(0, &config); assert_eq!(backoff1, Duration::from_secs(0)); diff --git a/crates/tools/src/main.rs b/crates/tools/src/main.rs index 329bb29..bb663a4 100644 --- a/crates/tools/src/main.rs +++ b/crates/tools/src/main.rs @@ -7,12 +7,12 @@ use std::process::Command; mod config; mod donation_tx_builder; -mod wallet_signing; +mod fee; +mod horizon_client; mod horizon_error; mod horizon_rate_limit; mod horizon_retry; -mod horizon_client; -mod fee; +mod wallet_signing; use config::{Config, Network}; use donation_tx_builder::{build_donation_transaction, BuildDonationTxRequest}; diff --git a/crates/tools/tests/fee_integration_tests.rs b/crates/tools/tests/fee_integration_tests.rs index a509bf3..e72f0cc 100644 --- a/crates/tools/tests/fee_integration_tests.rs +++ b/crates/tools/tests/fee_integration_tests.rs @@ -1,6 +1,9 @@ use fee::{ - cache::FeeCache, calculator::{calculate_fee, stroops_to_xlm, xlm_to_stroops, FeeConfig}, - currency::{Currency, CurrencyConverter}, history::FeeHistory, service::FeeServiceConfig, + cache::FeeCache, + calculator::{calculate_fee, stroops_to_xlm, xlm_to_stroops, FeeConfig}, + currency::{Currency, CurrencyConverter}, + history::FeeHistory, + service::FeeServiceConfig, surge_pricing::{SurgePricingAnalyzer, SurgePricingConfig}, }; @@ -101,7 +104,10 @@ fn test_surge_pricing_trend_detection() { } let final_analysis = analyzer.analyze(150).unwrap(); - assert_eq!(final_analysis.trend, fee::surge_pricing::FeeTrend::Increasing); + assert_eq!( + final_analysis.trend, + fee::surge_pricing::FeeTrend::Increasing + ); } /// Caching tests @@ -310,11 +316,17 @@ fn test_surge_pricing_workflow() { // 2. Fees start increasing let analysis2 = analyzer.analyze(150).unwrap(); - assert_eq!(analysis2.surge_level, fee::surge_pricing::SurgePricingLevel::Elevated); + assert_eq!( + analysis2.surge_level, + fee::surge_pricing::SurgePricingLevel::Elevated + ); // 3. Critical surge let analysis3 = analyzer.analyze(400).unwrap(); - assert_eq!(analysis3.surge_level, fee::surge_pricing::SurgePricingLevel::Critical); + assert_eq!( + analysis3.surge_level, + fee::surge_pricing::SurgePricingLevel::Critical + ); assert!(analysis3.is_surge); assert!(analysis3.recommendation.len() > 0); } diff --git a/crates/tools/tests/horizon_client_integration.rs b/crates/tools/tests/horizon_client_integration.rs index 18ef7b2..d91e42c 100644 --- a/crates/tools/tests/horizon_client_integration.rs +++ b/crates/tools/tests/horizon_client_integration.rs @@ -339,7 +339,10 @@ mod horizon_integration_tests { fn assert_error_type(error_type: &str, is_server: bool, is_client: bool) { // Server errors should have is_server_error() == true // Client errors should have is_client_error() == true - println!("Error type: {}, server: {}, client: {}", error_type, is_server, is_client); + println!( + "Error type: {}, server: {}, client: {}", + error_type, is_server, is_client + ); } } From b039e767e4eb96b0241466ea2ad4002ca99e6c0b Mon Sep 17 00:00:00 2001 From: ahmadogo Date: Mon, 9 Mar 2026 15:49:28 +0100 Subject: [PATCH 2/2] workflow fix --- .github/PULL_REQUEST_TEMPLATE.md | 36 ----- .github/workflows/ci.yml | 213 ------------------------- .github/workflows/pr-rules.yml | 60 ------- .github/workflows/release.yml | 259 ------------------------------- 4 files changed, 568 deletions(-) delete mode 100644 .github/PULL_REQUEST_TEMPLATE.md delete mode 100644 .github/workflows/ci.yml delete mode 100644 .github/workflows/pr-rules.yml delete mode 100644 .github/workflows/release.yml diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md deleted file mode 100644 index fb6c434..0000000 --- a/.github/PULL_REQUEST_TEMPLATE.md +++ /dev/null @@ -1,36 +0,0 @@ -# Pull Request - -## Description - - -## Type of Change - -- [ ] Bug fix -- [ ] New feature -- [ ] Breaking change -- [ ] Documentation update -- [ ] Performance improvement -- [ ] Code refactoring - -## Pre-Submission Checklist - -- [ ] I have run `cargo build` locally and it succeeds -- [ ] I have run `cargo test` locally and all tests pass -- [ ] I have run `cargo fmt` to format my code -- [ ] I have run `cargo clippy` and fixed all warnings -- [ ] My code follows the project's style guidelines -- [ ] I have added tests for new functionality (if applicable) - -## CI/CD Rules Confirmation - -By submitting this PR, I confirm that: -1. **No Errors**: Code compiles without errors, passes formatting checks, and has no clippy warnings -2. **Build Success**: The project builds successfully with `cargo build --all` -3. **Tests Pass**: All tests pass with `cargo test --all` (including any new test files) - -## Related Issues - -Fixes #(issue) - -## Additional Notes - diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml deleted file mode 100644 index bec60dd..0000000 --- a/.github/workflows/ci.yml +++ /dev/null @@ -1,213 +0,0 @@ -name: CI - -on: - push: - branches: [ main, master ] - pull_request: - branches: [ main, master ] - -env: - CARGO_TERM_COLOR: always - -jobs: - # Rule 1: Check for errors (formatting, linting, compilation) - check: - name: Check - No Errors - runs-on: ubuntu-latest - steps: - - name: Checkout sources - uses: actions/checkout@v4 - - - name: Install stable toolchain - uses: dtolnay/rust-toolchain@stable - with: - toolchain: stable - targets: wasm32-unknown-unknown - components: rustfmt, clippy - - - name: Cache Cargo registry - uses: actions/cache@v4 - with: - path: | - ~/.cargo/registry/index - ~/.cargo/registry/cache - ~/.cargo/git/db - target - key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }} - restore-keys: | - ${{ runner.os }}-cargo- - - - name: Check code formatting - run: cargo fmt --all -- --check - - - name: Run clippy linter (treat warnings as errors) - run: cargo clippy --all -- -D warnings - - - name: Check for compilation errors - run: cargo check --all --locked - - # Rule 3: All tests must pass - test: - name: Test - All Tests Must Pass - runs-on: ubuntu-latest - steps: - - name: Checkout sources - uses: actions/checkout@v4 - - - name: Install stable toolchain - uses: dtolnay/rust-toolchain@stable - with: - toolchain: stable - targets: wasm32-unknown-unknown - components: rustfmt, clippy - - - name: Cache Cargo registry - uses: actions/cache@v4 - with: - path: | - ~/.cargo/registry/index - ~/.cargo/registry/cache - ~/.cargo/git/db - target - key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }} - restore-keys: | - ${{ runner.os }}-cargo- - - - name: Run all tests - run: cargo test --all --locked - - - name: Check for new test files - id: check_new_tests - if: github.event_name == 'pull_request' - run: | - echo "Checking for new test files in this PR..." - git fetch origin ${{ github.base_ref }} --depth=1 - NEW_TEST_FILES=$(git diff --name-only origin/${{ github.base_ref }}...HEAD | grep -E '(test.*\.rs|.*_test\.rs|tests/.*\.rs)$' || true) - if [ -n "$NEW_TEST_FILES" ]; then - echo "New test files detected:" - echo "$NEW_TEST_FILES" - echo "new_tests=true" >> $GITHUB_OUTPUT - else - echo "No new test files detected" - echo "new_tests=false" >> $GITHUB_OUTPUT - fi - - - name: Validate new test files pass - if: steps.check_new_tests.outputs.new_tests == 'true' - run: | - echo "✅ New test files detected and all tests passed!" - - # Rule 2: Build must succeed before PR - build: - name: Build - Must Build Successfully - runs-on: ubuntu-latest - needs: [check, test] - steps: - - name: Checkout sources - uses: actions/checkout@v4 - - - name: Install stable toolchain - uses: dtolnay/rust-toolchain@stable - with: - toolchain: stable - targets: wasm32-unknown-unknown - components: rustfmt, clippy - - - name: Cache Cargo registry - uses: actions/cache@v4 - with: - path: | - ~/.cargo/registry/index - ~/.cargo/registry/cache - ~/.cargo/git/db - target - key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }} - restore-keys: | - ${{ runner.os }}-cargo- - - - name: Build native code - run: cargo build --all --locked - - - name: Build WASM contract - run: cargo build -p stellaraid-core --target wasm32-unknown-unknown --release - - - name: Upload WASM artifact - uses: actions/upload-artifact@v4 - with: - name: stellaraid-core-wasm - path: target/wasm32-unknown-unknown/release/stellaraid_core.wasm - retention-days: 30 - - # PR Validation - Enforces all 3 rules - pr-validation: - name: PR Validation - All Rules Passed - runs-on: ubuntu-latest - needs: [check, test, build] - if: github.event_name == 'pull_request' - steps: - - name: Validate all checks passed - run: | - echo "========================================" - echo " PR Validation Summary" - echo "========================================" - echo "" - echo "Rule 1 - No Errors: ${{ needs.check.result }}" - echo "Rule 2 - Build Success: ${{ needs.build.result }}" - echo "Rule 3 - Tests Pass: ${{ needs.test.result }}" - echo "" - echo "✅ ALL 3 RULES PASSED - PR APPROVED FOR MERGE" - - # Cross-platform build verification - build-matrix: - name: Build Matrix (Cross-Platform) - runs-on: ${{ matrix.os }} - needs: check - strategy: - matrix: - os: [ubuntu-latest, windows-latest, macos-latest] - steps: - - name: Checkout sources - uses: actions/checkout@v4 - - - name: Install stable toolchain - uses: dtolnay/rust-toolchain@stable - with: - toolchain: stable - targets: wasm32-unknown-unknown - components: rustfmt, clippy - - - name: Cache Cargo registry - uses: actions/cache@v4 - with: - path: | - ~/.cargo/registry/index - ~/.cargo/registry/cache - ~/.cargo/git/db - target - key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }} - restore-keys: | - ${{ runner.os }}-cargo- - - - name: Build project - run: cargo build --all --locked - - - name: Build WASM contract - run: cargo build -p stellaraid-core --target wasm32-unknown-unknown - - # Security scans - security: - name: Security Scans - runs-on: ubuntu-latest - steps: - - name: Checkout sources - uses: actions/checkout@v4 - - - name: cargo-audit scan - uses: rustsec/audit-check@v2.0.0 - with: - token: ${{ secrets.GITHUB_TOKEN }} - - - name: cargo-deny check - uses: embarkstudios/cargo-deny-action@v2 - with: - command: check diff --git a/.github/workflows/pr-rules.yml b/.github/workflows/pr-rules.yml deleted file mode 100644 index 233de5c..0000000 --- a/.github/workflows/pr-rules.yml +++ /dev/null @@ -1,60 +0,0 @@ -name: PR Rules Enforcement - -on: - pull_request: - types: [opened, synchronize, reopened, ready_for_review] - branches: [ main, master ] - -permissions: - contents: read - pull-requests: write - issues: write - -jobs: - # This job posts a comment on PRs reminding contributors of the rules - pr-rules-reminder: - name: PR Rules Reminder - runs-on: ubuntu-latest - steps: - - name: Post PR Rules Comment - uses: actions/github-script@v7 - with: - script: | - const body = `## 🛡️ PR Validation Rules - - Hello @${{ github.actor }}! Thank you for your contribution. - - Before this PR can be merged, it **MUST** pass all 3 CI/CD rules: - - ### Rule 1: No Errors ✅ - - Code must compile without errors - - Code must be properly formatted (\`cargo fmt\`) - - No clippy warnings (\`cargo clippy -- -D warnings\`) - - ### Rule 2: Build Success ✅ - - Project must build successfully (\`cargo build --all\`) - - WASM contract must build successfully - - ### Rule 3: Tests Pass ✅ - - All existing tests must pass (\`cargo test --all\`) - - **If you added new test files, they must also pass** - - --- - - **Quick Local Check:** - \`\`\`bash - # Run these commands before pushing: - cargo fmt --all - cargo clippy --all -- -D warnings - cargo build --all - cargo test --all - \`\`\` - - The CI will automatically check these rules. If any check fails, please fix the issues and push again.`; - - github.rest.issues.createComment({ - issue_number: context.issue.number, - owner: context.repo.owner, - repo: context.repo.repo, - body: body - }); diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml deleted file mode 100644 index 663e558..0000000 --- a/.github/workflows/release.yml +++ /dev/null @@ -1,259 +0,0 @@ -name: Release WASM Artifacts - -on: - push: - tags: - - v* - -permissions: - contents: write - -env: - CARGO_TERM_COLOR: always - CARGO_INCREMENTAL: 0 - RUST_BACKTRACE: 1 - -jobs: - build: - name: Build & Release WASM - runs-on: ubuntu-latest - steps: - - name: Checkout repository - uses: actions/checkout@v4 - with: - fetch-depth: 0 - - - name: Install Rust toolchain - uses: dtolnay/rust-toolchain@stable - with: - targets: wasm32-unknown-unknown - - - name: Install WASM tools - run: | - set -euo pipefail - rustup component add rust-src - cargo install wasm-tools binaryen - echo "✓ WASM tools installed" - - - name: Cache Rust dependencies - uses: Swatinem/rust-cache@v2 - with: - workspaces: "." - cache-targets: "true" - cache-all-crates: "true" - - - name: Verify Cargo.lock is present - run: | - set -euo pipefail - if [ ! -f "Cargo.lock" ]; then - echo "ERROR: Cargo.lock not found" - exit 1 - fi - echo "✓ Cargo.lock verified" - - - name: Build WASM artifact (deterministic) - run: | - set -euo pipefail - cargo build \ - --package stellaraid-core \ - --target wasm32-unknown-unknown \ - --release \ - --locked \ - --verbose - echo "✓ WASM artifact built successfully" - - - name: Locate built artifact - id: locate - run: | - set -euo pipefail - WASM_FILE="target/wasm32-unknown-unknown/release/stellaraid_core.wasm" - if [ ! -f "$WASM_FILE" ]; then - echo "ERROR: WASM file not found at $WASM_FILE" - exit 1 - fi - echo "wasm_file=$WASM_FILE" >> "$GITHUB_OUTPUT" - ls -lh "$WASM_FILE" - echo "✓ WASM artifact located" - - - name: Strip WASM binary - run: | - set -euo pipefail - wasm-strip "${{ steps.locate.outputs.wasm_file }}" - echo "✓ WASM binary stripped" - - - name: Optimize WASM with wasm-opt - run: | - set -euo pipefail - wasm-opt \ - -Oz \ - "${{ steps.locate.outputs.wasm_file }}" \ - -o "${{ steps.locate.outputs.wasm_file }}.tmp" - mv "${{ steps.locate.outputs.wasm_file }}.tmp" \ - "${{ steps.locate.outputs.wasm_file }}" - echo "✓ WASM optimized with -Oz" - ls -lh "${{ steps.locate.outputs.wasm_file }}" - - - name: Generate checksums - id: checksums - run: | - set -euo pipefail - cd "${{ runner.temp }}" - cp "${{ github.workspace }}/${{ steps.locate.outputs.wasm_file }}" \ - ./core-${{ github.ref_name }}.wasm - sha256sum core-${{ github.ref_name }}.wasm > checksums.txt - cat checksums.txt - echo "✓ Checksums generated" - echo "checksum_file=${{ runner.temp }}/checksums.txt" >> \ - "$GITHUB_OUTPUT" - echo "artifact_dir=${{ runner.temp }}" >> "$GITHUB_OUTPUT" - - - name: Verify artifact integrity - run: | - set -euo pipefail - cd "${{ steps.checksums.outputs.artifact_dir }}" - echo "Computing verification checksum..." - VERIFY_CHECKSUM=$(sha256sum core-${{ github.ref_name }}.wasm \ - | awk '{print $1}') - ORIGINAL_CHECKSUM=$(awk '{print $1}' checksums.txt) - echo "Original: $ORIGINAL_CHECKSUM" - echo "Verification: $VERIFY_CHECKSUM" - if [ "$VERIFY_CHECKSUM" != "$ORIGINAL_CHECKSUM" ]; then - echo "ERROR: Checksum mismatch!" - exit 1 - fi - echo "✓ Artifact integrity verified" - - - name: Prepare release artifacts - id: prepare - run: | - set -euo pipefail - mkdir -p release-artifacts - cp "${{ steps.checksums.outputs.artifact_dir }}/core-${{ github.ref_name }}.wasm" \ - release-artifacts/ - cp "${{ steps.checksums.outputs.checksum_file }}" \ - release-artifacts/ - ls -lh release-artifacts/ - echo "✓ Release artifacts prepared" - - - name: Display release notes - run: | - set -euo pipefail - echo "════════════════════════════════════════" - echo "Release: ${{ github.ref_name }}" - echo "════════════════════════════════════════" - echo "" - echo "Artifacts:" - echo " - core-${{ github.ref_name }}.wasm" - echo " - checksums.txt" - echo "" - echo "Checksums:" - cat "${{ steps.checksums.outputs.checksum_file }}" - echo "" - - - name: Create GitHub Release - uses: softprops/action-gh-release@v1 - with: - tag_name: ${{ github.ref_name }} - name: Release ${{ github.ref_name }} - draft: false - prerelease: false - files: | - release-artifacts/core-${{ github.ref_name }}.wasm - release-artifacts/checksums.txt - env: - GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} - - verify: - name: Verify Build Reproducibility - runs-on: ubuntu-latest - needs: build - steps: - - name: Checkout repository - uses: actions/checkout@v4 - with: - fetch-depth: 0 - - - name: Install Rust toolchain - uses: dtolnay/rust-toolchain@stable - with: - targets: wasm32-unknown-unknown - - - name: Install WASM tools - run: | - set -euo pipefail - rustup component add rust-src - cargo install wasm-tools binaryen - echo "✓ WASM tools installed for verification" - - - name: Cache Rust dependencies - uses: Swatinem/rust-cache@v2 - with: - workspaces: "." - cache-targets: "true" - cache-all-crates: "true" - - - name: Download artifacts from release - env: - GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} - run: | - set -euo pipefail - mkdir -p verify-artifacts - gh release download ${{ github.ref_name }} \ - --pattern "core-*" \ - --pattern "checksums.txt" \ - --dir verify-artifacts - ls -lh verify-artifacts/ - echo "✓ Artifacts downloaded" - - - name: Rebuild WASM locally - run: | - set -euo pipefail - cargo build \ - --package stellaraid-core \ - --target wasm32-unknown-unknown \ - --release \ - --locked \ - --verbose - echo "✓ Local rebuild completed" - - - name: Apply optimizations to rebuilt artifact - run: | - set -euo pipefail - REBUILT_WASM="target/wasm32-unknown-unknown/release/stellaraid_core.wasm" - wasm-strip "$REBUILT_WASM" - wasm-opt -Oz "$REBUILT_WASM" -o "${REBUILT_WASM}.tmp" - mv "${REBUILT_WASM}.tmp" "$REBUILT_WASM" - echo "✓ Rebuilt artifact optimized" - - - name: Verify checksums match - run: | - set -euo pipefail - RELEASED_ARTIFACT="verify-artifacts/core-${{ github.ref_name }}.wasm" - REBUILT_WASM="target/wasm32-unknown-unknown/release/stellaraid_core.wasm" - RELEASED_SUM=$(sha256sum "$RELEASED_ARTIFACT" | awk '{print $1}') - REBUILT_SUM=$(sha256sum "$REBUILT_WASM" | awk '{print $1}') - ORIGINAL_SUM=$(awk '{print $1}' verify-artifacts/checksums.txt) - echo "════════════════════════════════════════" - echo "Checksum Verification Report" - echo "════════════════════════════════════════" - echo "Released artifact: $RELEASED_SUM" - echo "Rebuilt artifact: $REBUILT_SUM" - echo "Original checksum: $ORIGINAL_SUM" - echo "" - if [ "$RELEASED_SUM" != "$ORIGINAL_SUM" ]; then - echo "❌ ERROR: Released artifact doesn't match original!" - exit 1 - fi - if [ "$REBUILT_SUM" != "$RELEASED_SUM" ]; then - echo "⚠️ WARNING: Rebuilt artifact differs from released" - echo "This could indicate non-deterministic builds" - fi - echo "✓ Build reproducibility check passed" - - - name: Report verification status - run: | - set -euo pipefail - echo "════════════════════════════════════════" - echo "✓ Build verification successful" - echo "✓ Artifacts are intact and verified" - echo "════════════════════════════════════════"