63 lines
1.9 KiB
Nim
63 lines
1.9 KiB
Nim
import
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json, os, stint, eth/trie/db, stew/byteutils, eth/common,
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../nimbus/db/[db_chain], chronicles, ../nimbus/vm_state,
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../nimbus/p2p/executor, premixcore, prestate, ../nimbus/tracer
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proc prepareBlockEnv(node: JsonNode, memoryDB: TrieDatabaseRef) =
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let state = node["state"]
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for k, v in state:
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let key = hexToSeqByte(k)
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let value = hexToSeqByte(v.getStr())
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memoryDB.put(key, value)
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proc executeBlock(blockEnv: JsonNode, memoryDB: TrieDatabaseRef, blockNumber: Uint256) =
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let
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parentNumber = blockNumber - 1
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chainDB = newBaseChainDB(memoryDB, false)
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parent = chainDB.getBlockHeader(parentNumber)
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header = chainDB.getBlockHeader(blockNumber)
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body = chainDB.getBlockBody(header.blockHash)
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let transaction = memoryDB.beginTransaction()
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defer: transaction.dispose()
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let
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vmState = newBaseVMState(parent.stateRoot, header, chainDB)
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validationResult = vmState.processBlock(header, body)
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if validationResult != ValidationResult.OK:
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error "block validation error", validationResult
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else:
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info "block validation success", validationResult, blockNumber
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transaction.rollback()
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dumpDebuggingMetaData(chainDB, header, body, vmState, false)
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let
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fileName = "debug" & $blockNumber & ".json"
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nimbus = json.parseFile(fileName)
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geth = blockEnv["geth"]
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processNimbusData(nimbus)
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# premix data goes to report page
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generatePremixData(nimbus, geth)
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# prestate data goes to debug tool and contains data
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# needed to execute single block
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generatePrestate(nimbus, geth, blockNumber, parent, header, body)
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proc main() =
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if paramCount() == 0:
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echo "usage: debug blockxxx.json"
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quit(QuitFailure)
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let
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blockEnv = json.parseFile(paramStr(1))
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memoryDB = newMemoryDB()
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blockNumber = UInt256.fromHex(blockEnv["blockNumber"].getStr())
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prepareBlockEnv(blockEnv, memoryDB)
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executeBlock(blockEnv, memoryDB, blockNumber)
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main()
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