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

backend/pkg/merrors/chain_execution_test.go

@@ -0,0 +1,17 @@
+package merrors
+
+import (
+	"errors"
+	"testing"
+)
+
+func TestChainExecutionPreconditionCarriesClassAndReason(t *testing.T) {
+	err := ChainExecutionPrecondition(ReasonChainExecutionInsufficientBalance, "source balance is insufficient")
+	if !errors.Is(err, ErrFailedPrecondition) {
+		t.Fatal("expected failed-precondition classification")
+	}
+	reason, ok := Reason(err)
+	if !ok || reason != ReasonChainExecutionInsufficientBalance {
+		t.Fatalf("unexpected reason: %q", reason)
+	}
+}