Bootstrap copied BFF and local accounts with public Sendico contracts (#34)

backend/pkg/merrors/ledger.go

@@ -0,0 +1,65 @@
+package merrors
+
+import "strings"
+
+const (
+	ReasonLedgerIdempotencyConflict     = "LEDGER_IDEMPOTENCY_CONFLICT"
+	ReasonLedgerCommandIdentityMismatch = "LEDGER_COMMAND_IDENTITY_MISMATCH"
+	ReasonLedgerAccessViolation         = "LEDGER_ACCESS_VIOLATION"
+	ReasonAccountNotEligible            = "ACCOUNT_NOT_ELIGIBLE"
+)
+
+var ErrLedgerIdempotencyConflict = Define("ledger.idempotency_conflict")
+
+var ErrLedgerCommandIdentityMismatch = Define("ledger.command_identity_mismatch")
+
+var ErrLedgerAccessViolation = Define("ledger.access_violation")
+
+var ErrAccountNotEligible = Define("account_not_eligible")
+
+func LedgerIdempotencyConflict(msg string) error {
+	return classifiedError{
+		base:   ErrDataConflict,
+		code:   ErrLedgerIdempotencyConflict,
+		msg:    ledgerErrorMessage(msg, ErrLedgerIdempotencyConflict),
+		reason: ReasonLedgerIdempotencyConflict,
+	}
+}
+
+func LedgerCommandIdentityMismatch(msg string) error {
+	return classifiedError{
+		base:   ErrDataConflict,
+		code:   ErrLedgerCommandIdentityMismatch,
+		msg:    ledgerErrorMessage(msg, ErrLedgerCommandIdentityMismatch),
+		reason: ReasonLedgerCommandIdentityMismatch,
+	}
+}
+
+func LedgerAccessViolation(msg string) error {
+	return classifiedError{
+		base:   ErrFailedPrecondition,
+		code:   ErrLedgerAccessViolation,
+		msg:    ledgerErrorMessage(msg, ErrLedgerAccessViolation),
+		reason: ReasonLedgerAccessViolation,
+	}
+}
+
+func AccountNotEligible(msg string) error {
+	return classifiedError{
+		base:   ErrFailedPrecondition,
+		code:   ErrAccountNotEligible,
+		msg:    ledgerErrorMessage(msg, ErrAccountNotEligible),
+		reason: ReasonAccountNotEligible,
+	}
+}
+
+func ledgerErrorMessage(msg string, fallback error) string {
+	msg = strings.TrimSpace(msg)
+	if msg != "" {
+		return msg
+	}
+	if fallback == nil {
+		return ""
+	}
+	return fallback.Error()
+}