47 lines
1.3 KiB
Nim
47 lines
1.3 KiB
Nim
import
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json, os, stint, eth_trie/db, byteutils, eth_common,
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../nimbus/db/[db_chain], ../nimbus/p2p/chain,
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chronicles
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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(memoryDB: TrieDatabaseRef, blockNumber: Uint256) =
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let
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chainDB = newBaseChainDB(memoryDB, false)
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parentNumber = blockNumber - 1
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parent = chainDB.getBlockHeader(parentNumber)
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header = chainDB.getBlockHeader(blockNumber)
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headerHash = header.blockHash
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body = chainDB.getBlockBody(headerHash)
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chain = newChain(chainDB)
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headers = @[header]
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bodies = @[body]
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chainDB.setHead(parent, true)
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let validationResult = chain.persistBlocks(headers, bodies)
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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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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(memoryDB, blockNumber)
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main()
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