Implement Investment and Insurance

[Baskarayelu]

Description
Implement investment record creation on accept_bid, insurance coverage add (provider, coverage_percentage, premium), and query.

Requirements and context

• Must be secure, tested, and documented
• Only active investments can add insurance; investor auth
• Smart contracts only (Soroban/Rust)

Suggested execution

1. Fork the repo and create a branch
   git checkout -b feature/investment-insurance
2. Implement changes
   • Implement: src/investment.rs (Investment, InsuranceCoverage)
   • Add tests: src/test_insurance.rs
   • Document in docs/contracts/investment.md
3. Test and commit
   • Run cargo test
   • Cover invalid coverage percentage, zero premium
   • Include test output and security notes

Example commit message
feat: implement investment and insurance with tests and docs

Guidelines

• Minimum 95 percent test coverage
• Clear documentation
• Timeframe: 96 hours

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This issue has been added to the Stellar Wave Program and is worth 200 Points.

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[Smartdevs17]

@Smartdevs17 has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

Can I work on this.

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@Baskarayelu Smartdevs17 could not be assigned to this issue because they have reached the maximum of 7 accepted assignments per organization in the current wave of the Stellar Wave Program.

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[abbakargarba]

@abbakargarba has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

Dear Maintainer,

I'll implement investment creation on accept_bid and insurance coverage (provider, coverage_percentage, premium) for active investments, investor-only auth. Validate coverage percentages, reject zero premium. Tests hit 95%+ coverage, docs included.

Abbakargarba - Babax

ℹ️ Repo Maintainers: To accept this application, review their application or assign @abbakargarba to this issue.

[ussyalfaks]

@ussyalfaks has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

i would like to work on this issue

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[Mystery-CLI]

@Mystery-CLI has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

i would like to work on this issue

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[Amarjeet325]

@Amarjeet325 has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

Hi maintainers 👋
I’d like to work on this issue.
I’m a full-stack developer and have previously contributed to multiple open-source projects.
Could you please assign this issue to me?

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Amarjeet325 to this issue.

[drips-wave]

Congratulations, @ussyalfaks! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on February 26, 2026.

🧑‍💻 @ussyalfaks: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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