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@predge/solana-guard

v0.1.0

Published

TypeScript client for Predge Settlement Guard on Solana: fetch and verify signed settlement-risk records, build post_attestation transactions, derive and read MarketRisk accounts.

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@predge/solana-guard

TypeScript client for Predge Settlement Guard on Solana (program B2gNjSeDBWHoLG3qdnsKVv5mqYMAZ3cULyCY4AZ3Jush, devnet).

  • fetchSettlementRisk(marketId) and verifySettlementRecord(record): signed record from api.predge.io, verified offline (pinned key, content_hash, ed25519 signature, envelope signature).
  • attestationFromRecord, encodeAttestationMessage, signAttestation: the 97-byte attestation.
  • buildPostAttestationTransaction: [Ed25519 verify, post_attestation], the permissionless relay.
  • findConfigPda, findMarketRiskPda, fetchConfig, fetchMarketRisk, decodeMarketRisk, evaluateGate.
  • getCheckSettlementAccounts(marketKey): the three accounts for the check_settlement CPI.
  • prepareAttestation(marketId): fetch, verify and map in one call.
  • parseGuardError(logsOrError): guard error name and code from transaction logs.

ESM with type declarations; peer dependency @solana/web3.js 1.x. Not published to npm yet; build with npm install && npm run build.

Guide: docs/INTEGRATE.md. Tests: npm test (unit), npm run test:devnet (read-only, network), npm run test:localnet (local validator).

MIT licensed.