70ecd6caa0
Transaction Science open standards monorepo. Each subdirectory is a self-contained reference protocol with its own README and licence. - openpay/ Apache-2.0 payment-acceptance stack (Rust, 26 crates) - smart-byte/ CC-BY-4.0 content-addressed value carrier (spec) - eoc/ CC-BY-4.0 energy-optimised compute (spec) The wire format and the right to fork are public. The optional hosted services are the offer; the protocols are not.
53 lines
1.5 KiB
Rust
53 lines
1.5 KiB
Rust
//! Settlement error taxonomy.
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use thiserror::Error;
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/// Sealed error type for the crate.
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#[derive(Debug, Error)]
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pub enum Error {
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/// Caller-supplied input violated a precondition.
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#[error("invalid: {0}")]
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Invalid(String),
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/// Lookup by id missed.
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#[error("not found: {0}")]
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NotFound(String),
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/// Tried a batch lifecycle transition the state machine rejects
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/// (`Closed → Open`, `Paid → Paying`, etc.).
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#[error("invalid batch transition: {from} → {to}")]
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InvalidTransition {
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/// Current status.
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from: String,
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/// Attempted next status.
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to: String,
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},
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/// Idempotency replay where the body changed.
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#[error("idempotency mismatch on external id `{0}`")]
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IdempotencyMismatch(String),
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/// Currency mismatch when adding a tx to a batch.
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#[error("currency mismatch: batch is {batch}, tx is {tx}")]
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CurrencyMismatch {
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/// The batch's currency code.
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batch: String,
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/// The transaction's currency code.
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tx: String,
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},
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/// Batch was empty when payout-file generation was attempted.
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#[error("batch has no entries; nothing to pay out")]
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EmptyBatch,
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/// Bubbled-up core error (overflow, money arithmetic).
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#[error(transparent)]
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Core(#[from] op_core::Error),
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/// Bubbled-up iso20022 codec / builder error.
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#[error(transparent)]
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Iso20022(#[from] op_iso20022::Error),
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}
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/// `Result<T, Error>` shorthand.
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pub type Result<T> = core::result::Result<T, Error>;
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