An issue was discovered in the ckb crate before 0.40.0 for Rust. A get_block_template RPC call may fail in situations where it is supposed to select a Nervos CKB blockchain transaction with a higher fee rate than another transaction.
| Name | Vendor | Start Version | End Version | 
|---|---|---|---|
| Ckb | Nervos | * | 0.40.0 (excluding) |