feat(stablecoin): add ProtocolParameters account type#199
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Pull request overview
Adds the ProtocolParameters singleton account type to stablecoin_core, including Borsh/serde serialization support, Data conversions, and deterministic PDA derivation helpers. This provides the canonical on-chain configuration container that downstream stablecoin instructions can depend on.
Changes:
- Introduce
ProtocolParametersaccount type withBorshSerialize/BorshDeserialize,Serialize/Deserialize, andFrom<&ProtocolParameters> for Data/TryFrom<&Data>. - Add PDA seed + PDA address helpers for the single-instance
ProtocolParametersaccount. - Add unit tests covering Borsh roundtrips and PDA determinism; re-export the new type/helpers from
stablecoin_core::lib.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| programs/stablecoin/core/src/protocol_parameters.rs | Adds the ProtocolParameters account struct, Data conversions, PDA helpers, and tests. |
| programs/stablecoin/core/src/lib.rs | Exposes the new module and re-exports ProtocolParameters and PDA helper functions. |
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closes #158