47 lines
1.6 KiB
Nim
47 lines
1.6 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/strutils,
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json, stew/byteutils,
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results,
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../nimbus/db/[core_db, storage_types], eth/[rlp, common],
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../nimbus/tracer
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proc generatePrestate*(nimbus, geth: JsonNode, blockNumber: BlockNumber, parent: BlockHeader, blk: EthBlock) =
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template header: BlockHeader = blk.header
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let
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state = nimbus["state"]
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headerHash = rlpHash(header)
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chainDB = newCoreDbRef(DefaultDbMemory)
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kvt = chainDB.ctx.getKvt()
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discard chainDB.setHead(parent, true)
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chainDB.persistTransactions(blockNumber, header.txRoot, blk.transactions)
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discard chainDB.persistUncles(blk.uncles)
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kvt.put(genericHashKey(headerHash).toOpenArray, rlp.encode(header)).isOkOr:
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raiseAssert "generatePrestate(): put() failed " & $$error
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chainDB.addBlockNumberToHashLookup(header.number, headerHash)
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for k, v in state:
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let key = hexToSeqByte(k)
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let value = hexToSeqByte(v.getStr())
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kvt.put(key, value).isOkOr:
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raiseAssert "generatePrestate(): put() (loop) failed " & $$error
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var metaData = %{
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"blockNumber": %blockNumber.toHex,
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"geth": geth
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}
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metaData.dumpMemoryDB(chainDB)
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writeFile("block" & $blockNumber & ".json", metaData.pretty())
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