JK

rpc error message compatibility

2

**Is your feature request related to a problem? Please describe.** currently for nonce too low error, nethermind rpc error message does not contain `nonce too low` string many project use...

fix: plasma finalize

11

**Description** When one block has multiple plasma commitment, the `ExpireChallenges` for loop will only execute once, which cause `activeComms` didn't get poped, and the `s.finalized` will never get updated