feat: implement Soroban RPC contract calls and appeal process#45
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soomtochukwu merged 1 commit intoMar 26, 2026
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Soroban RPC (DXmakers#5): - Build InvokeHostFunction transactions with stellar-xdr - Fetch sequence numbers from Horizon before signing - Submit via sendTransaction, poll getTransaction until confirmed - Retry once on sequence number collision - Implement release_milestone, open_dispute, resolve_dispute - Ed25519 signing with JUDGE_AUTHORITY_SECRET keypair Appeal Process (DXmakers#10): - POST /disputes/:id/appeal — threshold check (budget > 1000 USDC) - Returns 400 for low-value disputes - 3-of-5 arbiter voting via POST /appeals/:id/vote - Final verdict overrides AI judge decision - DB migration for appeals, arbiter_votes, arbiters tables Closes DXmakers#5 Closes DXmakers#10
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Summary
Soroban RPC Contract Calls (#5)
StellarServicewith full implementationInvokeHostFunctionXDR transactions usingstellar-xdrsendTransaction, pollgetTransactionrelease_milestone,open_dispute,resolve_disputeAppeal Process (#10)
POST /disputes/:id/appeal— create appeal for disputes with budget > 1000 USDCPOST /appeals/:id/vote— arbiter votingappeals,arbiter_votes,arbiterstablesCloses #5
Closes #10
Test plan
cargo clippy -p backend -- -D warnings— cleanrelease_milestonesubmits real tx and returns valid hash