rfq+rfqmsg: add structured price oracle error codes #1766
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jtobin
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Pull Request Test Coverage Report for Build 17268575857Details
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ffranr
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GeorgeTsagk
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ffranr
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Adds the 'UnspecifiedRejectCode' and 'UnavailableRejectCode' consts to represent the two protocol-defined rejection error codes of 0 and 1, respectively. The 'NewRejectErr' utility produces a RejectErr with the UnspecifiedRejectCode code, but pairs it with a custom error message.
Defines an OracleErrorCode type representing error codes returned by a price oracle, and updates proto definitions accordingly.
Marshalls oracle error codes received over-the-wire into OracleErrorCode values, which are returned in oracle error responses.
Adds a 'QueryError' type for capturing the error resulting from a price oracle query. These errors are used to construct quote reject messages.
Adds a flag (defaulting to false) that indicates that the error returned by a price oracle should be considered public, and can be safely forwarded to peers. Updates proto definitions accordingly.
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@GeorgeTsagk: review reminder |
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Adds some structure to price oracle error codes, along with some custom handling for them. In particular, a code of '1' now corresponds to an 'unsupported asset' error, which, considered a 'public' error, is forwarded in the customizable message field of the reject messages sent to peers. An error with any other code continues, at present, to be treated as an unspecified error.
Resolves #1749, #1326.
(This is a refinement over the closed #1751, which forwarded errors indiscriminately.)