feat: implement token transfers, risk-priced premiums, and governance docs - #579
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Levi-Ojukwu merged 1 commit intoJul 26, 2026
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… docs (Invoice-Liquidity-Network#527, Invoice-Liquidity-Network#526, Invoice-Liquidity-Network#528, Invoice-Liquidity-Network#543) # Conflicts: # sdk/src/index.ts # sdk/src/methods/insurance.ts
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Closes #527, Closes #526, Closes #528, Closes #543
Type of Change
Summary
This PR implements three major improvements to the insurance pool contract:
Issue Implement actual token transfers in insurance pool #527 - Token Transfers: Added real token transfers to the insurance pool using Soroban's token interface.
deposit_premiumnow transfers tokens from LP to pool, andclaimtransfers tokens from pool to LP. Uses checks-effects-interactions pattern for reentrancy protection.Issue Implement risk-priced insurance premiums #528 - Risk-Priced Premiums: Implemented risk-based premium calculation where higher-risk LPs pay higher premiums. Added tiered coverage caps based on premiums paid (50%-150% of base coverage). Includes governance parameters for base rate and risk multiplier configuration.
Issue Update
docs/events.mdwith all governance events #526 - Governance Events Documentation: Added comprehensive event schemas for all governance contract events includingGovernanceInitialized,GovernanceParameterUpdated,ProposalCreated,VoteCast,ProposalExecuted,ProposalVetoed,VotesDelegated,VotesUndelegated, andVetoPowerDisabled.Issue Implement on-chain mechanism to update insurance pool coverage cap #543 - Coverage Cap Update: Verified existing timelock mechanism for coverage cap updates is already implemented and working.
Motivation / Context
These changes make the insurance pool production-ready by:
docs/events.mdwith all governance events #526)Changes
Smart Contract (Rust)
TokenAddressstorage key andinitializenow accepts token parameterdeposit_premiumcallstoken.transfer()to move tokens from LP to poolclaimnow acceptslpparameter and callstoken.transfer()to compensate LPcalculate_premium_rate_bps(),calculate_premium_amount()get_tiered_coverage()based on premiums paidset_base_premium_rate_bps(),set_risk_multiplier()increment_default_count(),get_default_count()SDK (TypeScript)
claimInsurance()to acceptlpAddressparameterinitializeInsurancePool()with token address parametergetTokenAddress()read methodcalculatePremiumRate()andgetTieredCoverage()read methodsCLI
claimcommand to require--lp <address>optionDocumentation