import eth/[common, rlp], stint, chronicles, configuration, eth/trie/[hexary, db] import ../nimbus/db/[db_chain, select_backend], ../nimbus/[vm_state, vm_types], ../nimbus/p2p/executor const numBlocks = 256 proc validateBlock(chainDB: BaseChainDB, blockNumber: BlockNumber): BlockNumber = var parentNumber = blockNumber - 1 parent = chainDB.getBlockHeader(parentNumber) headers = newSeq[BlockHeader](numBlocks) bodies = newSeq[BlockBody](numBlocks) lastBlockHash: Hash256 for i in 0 ..< numBlocks: headers[i] = chainDB.getBlockHeader(blockNumber + i.u256) bodies[i] = chainDB.getBlockBody(headers[i].blockHash) let transaction = chainDB.db.beginTransaction() defer: transaction.dispose() for i in 0 ..< numBlocks: stdout.write blockNumber + i.u256 stdout.write "\r" let vmState = BaseVMState.new(parent, headers[i], chainDB) validationResult = vmState.processBlockNotPoA(headers[i], bodies[i]) if validationResult != ValidationResult.OK: error "block validation error", validationResult, blockNumber = blockNumber + i.u256 parent = headers[i] transaction.rollback() result = blockNumber + numBlocks.u256 proc main() {.used.} = let conf = getConfiguration() db = newChainDB(conf.dataDir) trieDB = trieDB db chainDB = newBaseChainDB(trieDB, false) # move head to block number ... if conf.head == 0.u256: raise newException(ValueError, "please set block number with --head: blockNumber") var counter = 0 var blockNumber = conf.head while true: blockNumber = chainDB.validateBlock(blockNumber) inc counter if conf.maxBlocks != 0 and counter >= conf.maxBlocks: break when isMainModule: var message: string ## Processing command line arguments if processArguments(message) != Success: echo message quit(QuitFailure) else: if len(message) > 0: echo message quit(QuitSuccess) try: main() except: echo getCurrentExceptionMsg()