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.
48 lines
1.5 KiB
Rust
48 lines
1.5 KiB
Rust
//! Sealed error type for the refund domain.
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use thiserror::Error;
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/// Result alias.
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pub type Result<T> = core::result::Result<T, Error>;
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/// All failure modes.
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#[derive(Debug, Error, Clone, PartialEq, Eq)]
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pub enum Error {
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/// A refund body failed an invariant check.
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#[error("invalid refund: {0}")]
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Invalid(String),
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/// The refund was not found in the store.
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#[error("refund not found: {0}")]
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NotFound(String),
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/// The requested state transition is illegal for the current
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/// state (e.g. trying to settle a Declined refund).
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#[error("invalid transition: refund {id} is in terminal state {state:?}")]
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InvalidTransition {
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/// Refund id.
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id: String,
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/// The state that blocked the transition.
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state: String,
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},
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/// An `external_id` was reused with a different body. The
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/// caller is asserting two different refunds under the same
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/// idempotency key.
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#[error("idempotency mismatch: external_id {0} reused with different body")]
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IdempotencyMismatch(String),
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/// The refund amount exceeded what's allowed (negative, or
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/// summing to more than the original transaction).
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#[error("refund amount {refund_minor} exceeds allowed {allowed_minor}")]
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AmountExceeded {
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/// The refund's amount in minor units.
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refund_minor: i64,
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/// The remaining refundable amount on the original tx.
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allowed_minor: i64,
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},
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/// Crossed an `op-core` error (currency, overflow).
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#[error(transparent)]
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Core(#[from] op_core::Error),
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}
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