80 lines
2.3 KiB
Nim
80 lines
2.3 KiB
Nim
# Nimbus
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# Copyright (c) 2020-2024 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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import
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std/[json, os, strutils],
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stew/byteutils,
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chronicles,
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results,
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../nimbus/[evm/state, evm/types],
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../nimbus/core/executor,
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./premixcore, ./prestate,
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../nimbus/tracer,
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../nimbus/common/common
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proc prepareBlockEnv(node: JsonNode, memoryDB: CoreDbRef) =
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let state = node["state"]
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let kvt = memoryDB.newKvt()
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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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kvt.put(key, value).isOkOr:
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raiseAssert "prepareBlockEnv(): put() (loop) failed " & $$error
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proc executeBlock(blockEnv: JsonNode, memoryDB: CoreDbRef, blockNumber: BlockNumber) =
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var
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parentNumber = blockNumber - 1
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com = CommonRef.new(memoryDB)
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parent = com.db.getBlockHeader(parentNumber)
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blk = com.db.getEthBlock(blockNumber)
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let transaction = memoryDB.newTransaction()
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defer: transaction.dispose()
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let
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vmState = BaseVMState.new(parent, blk.header, com)
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validationResult = vmState.processBlock(blk)
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if validationResult.isErr:
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error "block validation error", err = validationResult.error()
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else:
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info "block validation success", blockNumber
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transaction.rollback()
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vmState.dumpDebuggingMetaData(blk, 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, blk)
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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 = newCoreDbRef(DefaultDbMemory)
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blockNumberHex = blockEnv["blockNumber"].getStr()
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blockNumber = parseHexInt(blockNumberHex).uint64
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prepareBlockEnv(blockEnv, memoryDB)
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executeBlock(blockEnv, memoryDB, blockNumber)
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main()
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