Add example of deriving the Lit Action wallet address

.github/workflows/tests.yml

@@ -129,6 +129,10 @@ jobs:
           echo "ETHEREUM_PRIVATE_KEY=${{ secrets.ETHEREUM_PRIVATE_KEY }}" > $GITHUB_WORKSPACE/solana-openai/nodejs/.env
           echo "OPENAI_API_KEY=${{ secrets.OPENAI_API_KEY }}" >> $GITHUB_WORKSPACE/solana-openai/nodejs/.env
 
+      - name: Create .env file for sign-as-action/nodejs tests
+        run: |
+          echo "ETHEREUM_PRIVATE_KEY=${{ secrets.ETHEREUM_PRIVATE_KEY }}" > $GITHUB_WORKSPACE/sign-as-action/nodejs/.env
+
       - name: Run Tests in Node.js
         run: yarn test:node
         continue-on-error: false

sign-as-action/nodejs/package.json

@@ -11,7 +11,7 @@
     "@dotenvx/dotenvx": "^0.44.1",
     "@lit-protocol/auth-helpers": "^7.0.4",
     "@lit-protocol/constants": "^7.0.4",
-    "@lit-protocol/contracts-sdk": "^7.0.4",
+    "@lit-protocol/contracts-sdk": "^7.3.1",
     "@lit-protocol/lit-node-client": "^7.0.4",
     "ethers": "5.7.2"
   },

sign-as-action/nodejs/src/deriveLitActionWalletAddress.ts

@@ -0,0 +1,31 @@
+import * as ethers from "ethers";
+import { LIT_RPC } from "@lit-protocol/constants";
+import { LitContracts } from "@lit-protocol/contracts-sdk";
+
+import { getEnv } from "./utils";
+
+const ETHEREUM_PRIVATE_KEY = getEnv("ETHEREUM_PRIVATE_KEY");
+
+export const deriveLitActionWalletAddress = async ({ litActionIpfsCid }: { litActionIpfsCid: string }) => {
+    const ethersSigner = new ethers.Wallet(
+        ETHEREUM_PRIVATE_KEY,
+        new ethers.providers.JsonRpcProvider(LIT_RPC.CHRONICLE_YELLOWSTONE)
+    );
+
+    const contractClient = new LitContracts({ signer: ethersSigner });
+    await contractClient.connect();
+
+    const derivedKeyId = ethers.utils.keccak256(
+        ethers.utils.toUtf8Bytes(`lit_action_${litActionIpfsCid}`)
+    );
+
+    const derivedPubkey = await contractClient.pubkeyRouterContract.read.getDerivedPubkey(
+        contractClient.stakingContract.read.address,
+        derivedKeyId
+    );
+
+    return {
+        derivedPubkey,
+        derivedAddress: ethers.utils.computeAddress(derivedPubkey),
+    }
+};

sign-as-action/nodejs/src/index.ts

@@ -1,4 +1,5 @@
 export * from "./signAsAction";
 export * from "./verifyActionSignature";
-export * from './signAsActionLitAction';
-export * from './verifyActionSignatureLitAction';
+export * from "./deriveLitActionWalletAddress";
+export * from './litActions/signAsAction';
+export * from './litActions/verifyActionSignature';

sign-as-action/nodejs/src/signAsAction.ts

@@ -3,7 +3,7 @@ import { LitNodeClient } from "@lit-protocol/lit-node-client";
 import { LIT_RPC, LIT_NETWORK } from "@lit-protocol/constants";
 
 import { getEnv, getSessionSigs } from "./utils";
-import { signAsActionLitAction } from "./signAsActionLitAction";
+import { signAsActionLitAction } from "./litActions/signAsAction";
 
 const ETHEREUM_PRIVATE_KEY = getEnv("ETHEREUM_PRIVATE_KEY");
 

sign-as-action/nodejs/src/verifyActionSignature.ts

@@ -3,7 +3,7 @@ import { LitNodeClient } from "@lit-protocol/lit-node-client";
 import { LIT_RPC, LIT_NETWORK } from "@lit-protocol/constants";
 
 import { getEnv, getSessionSigs } from "./utils";
-import { verifyActionSignatureLitAction } from "./verifyActionSignatureLitAction";
+import { verifyActionSignatureLitAction } from "./litActions/verifyActionSignature";
 
 const ETHEREUM_PRIVATE_KEY = getEnv("ETHEREUM_PRIVATE_KEY");
 

sign-as-action/nodejs/test/index.spec.ts

@@ -3,16 +3,21 @@ import chaiJsonSchema from "chai-json-schema";
 import * as ethers from "ethers";
 import IpfsHash from "ipfs-only-hash";
 
-import { signAsAction, verifyActionSignature, signAsActionLitAction } from "../src";
+import { signAsAction, verifyActionSignature, signAsActionLitAction, deriveLitActionWalletAddress } from "../src";
 
 use(chaiJsonSchema);
 
 describe("Testing signAsAction and verifyActionSignature", () => {
+  let signAsActionLitActionIpfsCid: string;
+  let message: Uint8Array;
+  let messageHash: string;
   let litActionSignatureString: string;
+  let litActionSignatureObject: { r: string, s: string, v: number };
 
-  it("should sign and verify an action signature", async () => {
-    const signAsActionLitActionIpfsCid = await IpfsHash.of(signAsActionLitAction);
-    const message = new Uint8Array(
+  it("should sign a message with signAsAction", async () => {
+    signAsActionLitActionIpfsCid = await IpfsHash.of(signAsActionLitAction);
+
+    message = new Uint8Array(
       await crypto.subtle.digest(
         "SHA-256",
         new TextEncoder().encode("Hello world")
@@ -37,7 +42,7 @@ describe("Testing signAsAction and verifyActionSignature", () => {
 
     litActionSignatureString = result!.response as string;
 
-    const litActionSignatureObject = JSON.parse(litActionSignatureString);
+    litActionSignatureObject = JSON.parse(litActionSignatureString);
     expect(litActionSignatureObject).to.be.jsonSchema(
       {
         type: "object",
@@ -49,12 +54,36 @@ describe("Testing signAsAction and verifyActionSignature", () => {
         required: ["r", "s", "v"],
       }
     );
+  }).timeout(120_000);
 
+  it("should sign and verify an action signature", async () => {
     const response = await verifyActionSignature({
       actionIpfsCid: signAsActionLitActionIpfsCid,
       toSign: message,
       signOutput: litActionSignatureString
     });
     expect(response?.response).to.be.equal('true');
   }).timeout(120_000);
+
+  it("should calculate the ETH address of the Lit Action wallet and verify the signature", async () => {
+    const response = await deriveLitActionWalletAddress({ litActionIpfsCid: signAsActionLitActionIpfsCid });
+
+    const combinedSignature = ethers.utils.joinSignature({
+      recoveryParam: litActionSignatureObject.v,
+      r: `0x${litActionSignatureObject.r.substring(2)}`,
+      s: `0x${litActionSignatureObject.s}`,
+    });
+
+    const recoveredPubkey = ethers.utils.recoverPublicKey(
+      message,
+      combinedSignature
+    );
+    const recoveredAddress = ethers.utils.recoverAddress(
+      message,
+      combinedSignature
+    );
+
+    expect(recoveredPubkey).to.be.equal(response.derivedPubkey);
+    expect(recoveredAddress).to.be.equal(response.derivedAddress);
+  }).timeout(120_000);
 });

yarn.lock

@@ -2841,6 +2841,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@lit-protocol/accs-schemas@npm:^0.0.36":
+  version: 0.0.36
+  resolution: "@lit-protocol/accs-schemas@npm:0.0.36"
+  dependencies:
+    ajv: "npm:^8.12.0"
+  checksum: 10c0/97d3ac6c6ebacba3dff020cb38d3ce631ae8b17a67f2ec941239b51ead02cfba9a9344967119dde8c14c69bc9d8392f543c38a086940bed7460f545eabc30e49
+  languageName: node
+  linkType: hard
+
 "@lit-protocol/auth-browser@npm:7.0.4, @lit-protocol/auth-browser@npm:^7.0.4":
   version: 7.0.4
   resolution: "@lit-protocol/auth-browser@npm:7.0.4"
@@ -2913,6 +2922,23 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@lit-protocol/constants@npm:7.3.1":
+  version: 7.3.1
+  resolution: "@lit-protocol/constants@npm:7.3.1"
+  dependencies:
+    "@ethersproject/abstract-provider": "npm:5.7.0"
+    "@lit-protocol/accs-schemas": "npm:^0.0.36"
+    "@lit-protocol/contracts": "npm:^0.0.74"
+    "@lit-protocol/types": "npm:7.3.1"
+    "@openagenda/verror": "npm:^3.1.4"
+    depd: "npm:^2.0.0"
+    ethers: "npm:^5.7.1"
+    siwe: "npm:^2.3.2"
+    tslib: "npm:1.14.1"
+  checksum: 10c0/fdc69994caee4d06aa8775aac47d792ff7aa8f68175745f22f3ef647c1e8c979af30f4f164dadd5373e9feb1571e88e71606e0d45d6cbc379e161b85d7c8ce83
+  languageName: node
+  linkType: hard
+
 "@lit-protocol/contracts-sdk@npm:7.0.4, @lit-protocol/contracts-sdk@npm:^7.0.4":
   version: 7.0.4
   resolution: "@lit-protocol/contracts-sdk@npm:7.0.4"
@@ -2941,6 +2967,34 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@lit-protocol/contracts-sdk@npm:^7.3.1":
+  version: 7.3.1
+  resolution: "@lit-protocol/contracts-sdk@npm:7.3.1"
+  dependencies:
+    "@ethersproject/abi": "npm:5.7.0"
+    "@ethersproject/abstract-provider": "npm:5.7.0"
+    "@ethersproject/contracts": "npm:5.7.0"
+    "@ethersproject/providers": "npm:5.7.2"
+    "@lit-protocol/accs-schemas": "npm:^0.0.36"
+    "@lit-protocol/constants": "npm:7.3.1"
+    "@lit-protocol/contracts": "npm:^0.0.74"
+    "@lit-protocol/logger": "npm:7.3.1"
+    "@lit-protocol/misc": "npm:7.3.1"
+    "@lit-protocol/types": "npm:7.3.1"
+    "@openagenda/verror": "npm:^3.1.4"
+    ajv: "npm:^8.12.0"
+    bech32: "npm:^2.0.0"
+    depd: "npm:^2.0.0"
+    ethers: "npm:^5.7.1"
+    jose: "npm:^4.14.4"
+    process: "npm:0.11.10"
+    siwe: "npm:^2.3.2"
+    tslib: "npm:1.14.1"
+    util: "npm:0.12.5"
+  checksum: 10c0/69721e42e5335102145a01e41e0a963719a98f5ba4c45616161d110d17ab72e912a83051ec340a3d60ce8627ec85ba4d28cd5e6a93e73e690a56f478856c0a38
+  languageName: node
+  linkType: hard
+
 "@lit-protocol/contracts@npm:^0.0.74":
   version: 0.0.74
   resolution: "@lit-protocol/contracts@npm:0.0.74"
@@ -3207,6 +3261,24 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@lit-protocol/logger@npm:7.3.1":
+  version: 7.3.1
+  resolution: "@lit-protocol/logger@npm:7.3.1"
+  dependencies:
+    "@ethersproject/abstract-provider": "npm:5.7.0"
+    "@lit-protocol/accs-schemas": "npm:^0.0.36"
+    "@lit-protocol/constants": "npm:7.3.1"
+    "@lit-protocol/contracts": "npm:^0.0.74"
+    "@lit-protocol/types": "npm:7.3.1"
+    "@openagenda/verror": "npm:^3.1.4"
+    depd: "npm:^2.0.0"
+    ethers: "npm:^5.7.1"
+    siwe: "npm:^2.3.2"
+    tslib: "npm:1.14.1"
+  checksum: 10c0/502e8f50dede9b4c99ece1b2a5e50a43d3aacbdaf239ca5c469914176e3ff4ab676d36a374b48b3d1527afb21d49820000bf76c541ccc3e39bcac57f124bc1fa
+  languageName: node
+  linkType: hard
+
 "@lit-protocol/misc-browser@npm:7.0.4":
   version: 7.0.4
   resolution: "@lit-protocol/misc-browser@npm:7.0.4"
@@ -3250,6 +3322,30 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@lit-protocol/misc@npm:7.3.1":
+  version: 7.3.1
+  resolution: "@lit-protocol/misc@npm:7.3.1"
+  dependencies:
+    "@ethersproject/abstract-provider": "npm:5.7.0"
+    "@ethersproject/contracts": "npm:5.7.0"
+    "@ethersproject/providers": "npm:5.7.2"
+    "@lit-protocol/accs-schemas": "npm:^0.0.36"
+    "@lit-protocol/constants": "npm:7.3.1"
+    "@lit-protocol/contracts": "npm:^0.0.74"
+    "@lit-protocol/logger": "npm:7.3.1"
+    "@lit-protocol/types": "npm:7.3.1"
+    "@openagenda/verror": "npm:^3.1.4"
+    ajv: "npm:^8.12.0"
+    bech32: "npm:^2.0.0"
+    depd: "npm:^2.0.0"
+    ethers: "npm:^5.7.1"
+    siwe: "npm:^2.3.2"
+    tslib: "npm:1.14.1"
+    util: "npm:0.12.5"
+  checksum: 10c0/9987d80d5bd3eab311f2d65d0a7d7b7da7b0d767d25bfcbde58bc208c2cc872b834157065f374ff2198db37a2d4bd160408bea635902d963a73a5e022fc7f922
+  languageName: node
+  linkType: hard
+
 "@lit-protocol/nacl@npm:7.0.4":
   version: 7.0.4
   resolution: "@lit-protocol/nacl@npm:7.0.4"
@@ -3273,6 +3369,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@lit-protocol/types@npm:7.3.1":
+  version: 7.3.1
+  resolution: "@lit-protocol/types@npm:7.3.1"
+  dependencies:
+    "@ethersproject/abstract-provider": "npm:5.7.0"
+    "@lit-protocol/accs-schemas": "npm:^0.0.36"
+    depd: "npm:^2.0.0"
+    ethers: "npm:^5.7.1"
+    siwe: "npm:^2.3.2"
+    tslib: "npm:1.14.1"
+  checksum: 10c0/f707023534a7af480e88f5cc8fd5da91534a17805e4ec153880abf9257e6b656a8ae3d99f83ffead7dbfaf9f1f2203aa01a0880899c3d3463d8f75d9eba38089
+  languageName: node
+  linkType: hard
+
 "@lit-protocol/uint8arrays@npm:7.0.4":
   version: 7.0.4
   resolution: "@lit-protocol/uint8arrays@npm:7.0.4"
@@ -19499,7 +19609,7 @@ __metadata:
     "@dotenvx/dotenvx": "npm:^0.44.1"
     "@lit-protocol/auth-helpers": "npm:^7.0.4"
     "@lit-protocol/constants": "npm:^7.0.4"
-    "@lit-protocol/contracts-sdk": "npm:^7.0.4"
+    "@lit-protocol/contracts-sdk": "npm:^7.3.1"
     "@lit-protocol/lit-node-client": "npm:^7.0.4"
     "@types/chai": "npm:^4.3.16"
     "@types/chai-json-schema": "npm:^1.4.10"