replacement-spends-conflict
| Category | Mempool policy |
| Surfaces as | HTTP 409 (rejected by node policy) when submitted to a node; not a consensus failure |
problem+json code | replacement-spends-conflict |
Where it is defined
- §13 Mempool policy (not consensus): it spends no output of a transaction it replaces [
replacement-spends-conflict];
See the error model for the RFC 9457 response shape.