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open-standards/openpay/crates
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openpay: record each payment, keep the payer's mandate, bound refunds by it 
op-server ran payment intents through the orchestrator and kept nothing a
caller could read back, and a refund named any transaction id unchecked.

- op-graph: GraphPaymentStore, one `payment` vertex per idempotency key
  (UUIDv5, so a replay lands on the same record): amount, outcome, rail,
  driver, metadata and the optional `mandate`. A later outcome for the same
  key (a replay, a resume after a challenge) updates only the outcome.
- POST /v1/intents takes an optional `mandate` (the payer's signed
  authorization, e.g. an agent's approval or standing grant, AP2-style),
  stored as given; the response carries `payment_id`.
- GET /v1/payments/{id}: the record, mandate included, and `refunded_minor`
  computed from the refunds filed against it (not declined or failed).
- POST /v1/refunds whose original_tx_id names a recorded payment must
  refund an approved payment, in its currency, and no more than is left; a
  replay of a filed refund is left to the store's idempotency. Other ids
  (ledger transactions recorded elsewhere) are unchecked, as before.

Tests: the store round-trips and keeps the mandate across outcomes; over
HTTP a payment is recorded with its mandate, a replayed refund is not a
second one, an over-refund and a wrong currency are refused, a declined
payment has nothing to refund. op-server and op-graph suites pass; the
openpay workspace checks --locked; clippy and rustfmt clean.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-11-08 23:48:16 -05:00
..
op-3ds2 Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-batch Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-bin Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-bnpl Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-cli Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-connect clippy 1.99: two findings the comparison missed, and one it could not have seen 2026-11-03 17:42:20 -05:00
op-core Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-crypto-extra clippy 1.99: fix what Rust 1.99.1's clippy newly reports, before the pin moves 2026-11-03 17:42:20 -05:00
op-dispute Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-dispute-evidence Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-driver-sdk Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-emv clippy 1.99: fix what Rust 1.99.1's clippy newly reports, before the pin moves 2026-11-03 17:42:20 -05:00
op-ewallets-asia Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-ffi-jni Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-ffi-swift Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-fraud Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-fraud-graph Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-fx Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-graph openpay: record each payment, keep the payer's mandate, bound refunds by it 2026-11-08 23:48:16 -05:00
op-iso8583 Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-iso20022 clippy 1.99: fix what Rust 1.99.1's clippy newly reports, before the pin moves 2026-11-03 17:42:20 -05:00
op-ledger Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-mobile-wallets Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-openbanking Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-orchestrator Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-payouts Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-rails-a2a Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-rails-card Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-rails-crypto Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-rails-x402 Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-reconciliation clippy 1.99: fix what Rust 1.99.1's clippy newly reports, before the pin moves 2026-11-03 17:42:20 -05:00
op-refund Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-revrec Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-routing clippy 1.99: fix what Rust 1.99.1's clippy newly reports, before the pin moves 2026-11-03 17:42:20 -05:00
op-screening clippy 1.99: fix what Rust 1.99.1's clippy newly reports, before the pin moves 2026-11-03 17:42:20 -05:00
op-server openpay: record each payment, keep the payer's mandate, bound refunds by it 2026-11-08 23:48:16 -05:00
op-settlement clippy 1.99: fix what Rust 1.99.1's clippy newly reports, before the pin moves 2026-11-03 17:42:20 -05:00
op-statements Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-subscriptions Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-tax clippy 1.99: fix what Rust 1.99.1's clippy newly reports, before the pin moves 2026-11-03 17:42:20 -05:00
op-vault Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-wasm Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00
op-webhook Cargo: no minimum-supported-version floor, because the policy is latest stable 2026-11-03 17:42:20 -05:00