feat(backend): implement SEP-10/SEP-24/SEP-6 Stellar Anchor Client#858
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feat(backend): implement SEP-10/SEP-24/SEP-6 Stellar Anchor Client#858Faithy5 wants to merge 1 commit into
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- SEP-10: authenticate with anchor via challenge/response JWT flow - SEP-24: interactive withdrawal with bank detail fields (dest, dest_extra) - SEP-6: non-interactive withdrawal fallback - AnchorRegistry: in-memory payout store with background polling state machine - fetch stellar.toml to discover web_auth and transfer_server endpoints - map anchor transaction statuses to AnchorPayoutStatus enum - spawn async task per payout to run SEP flow and advance status Closes Fracverse#816
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Summary
Implements the Stellar Anchor client in
stellar_anchor.rsper issue #816.Changes
backend/src/stellar_anchor.rsWEB_AUTH_ENDPOINT, submits (mock-)signed transaction, receives JWT/transactions/withdraw/interactivewith asset code, account, and bank detail fields (dest,dest_extra,type) formatted per SEP-9 KYC spec/withdrawfallback when SEP-24 transfer server is not available/.well-known/stellar.tomlto resolveWEB_AUTH_ENDPOINT,TRANSFER_SERVER_SEP0024, andTRANSFER_SERVERGET /transactionup to 10× (3 s apart) mapping anchor statuses toAnchorPayoutStatusAnchorRegistry: in-memory payout store,create_payoutspawns a background Tokio task running the full SEP flow and advancing payout statusbackend/Cargo.tomlreqwest 0.12(rustls-tls),hmac 0.12,sha2 0.10,hex 0.4,base64 0.22Acceptance Criteria
cargo buildpasses with zero errors and zero warnings from project codeCloses #816