@ethereumjs/blockchain
Version:
A module to store and interact with blocks
24 lines • 994 B
JavaScript
import { ConsensusAlgorithm } from '@ethereumjs/common';
import { BIGINT_0, EthereumJSErrorWithoutCode } from '@ethereumjs/util';
/**
* This class encapsulates Casper-related consensus functionality when used with the Blockchain class.
*/
export class CasperConsensus {
constructor() {
this.algorithm = ConsensusAlgorithm.Casper;
}
async genesisInit() { }
async setup() { }
async validateConsensus() { }
async validateDifficulty(header) {
// TODO: This is not really part of consensus validation and it should be analyzed
// if it is possible to replace by a more generic hardfork check between block and
// blockchain along adding new blocks or headers
if (header.difficulty !== BIGINT_0) {
const msg = 'invalid difficulty. PoS blocks must have difficulty 0';
throw EthereumJSErrorWithoutCode(`${msg} ${header.errorStr()}`);
}
}
async newBlock() { }
}
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