Summary
Use facilitator (CDP) invalidReason/errorReason enums to produce stable, machine-readable zkx402 error codes and metadata.
Acceptance criteria
- Define mapping table for facilitator errors → zkx402 error codes
- Surface sanitized details in:
- error responses
verificationMetadata / access control metadata
- Demo UI can display meaningful payment failure reasons
Summary
Use facilitator (CDP)
invalidReason/errorReasonenums to produce stable, machine-readable zkx402 error codes and metadata.Acceptance criteria
verificationMetadata/ access control metadata