nimbus-eth1/premix/debug.nim

63 lines
1.9 KiB
Nim

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