115 lines
3.0 KiB
Nim
115 lines
3.0 KiB
Nim
# use this module to quickly populate db with data from geth/parity
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import
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chronicles,
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../nimbus/errors,
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../nimbus/core/chain,
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../nimbus/common,
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../nimbus/db/[core_db/persistent, storage_types],
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configuration # must be late (compilation annoyance)
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when defined(graphql):
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import graphql_downloader
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else:
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import downloader
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# `lmdb` is not used, anymore
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#
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# const
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# manualCommit = nimbus_db_backend == "lmdb"
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#
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# template persistToDb(db: ChainDB, body: untyped) =
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# when manualCommit:
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# if not db.txBegin(): doAssert(false)
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# body
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# when manualCommit:
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# if not db.txCommit(): doAssert(false)
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template persistToDb(db: CoreDbRef, body: untyped) =
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block: body
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proc main() {.used.} =
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# 97 block with uncles
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# 46147 block with first transaction
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# 46400 block with transaction
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# 46402 block with first contract: failed
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# 47205 block with first success contract
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# 48712 block with 5 transactions
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# 48915 block with contract
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# 49018 first problematic block
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# 49439 first block with contract call
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# 52029 first block with receipts logs
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# 66407 failed transaction
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let conf = configuration.getConfiguration()
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let com = CommonRef.new(
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newCoreDbRef(LegacyDbPersistent, conf.dataDir),
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false, conf.netId, networkParams(conf.netId))
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# move head to block number ...
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if conf.head != 0.u256:
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var parentBlock = requestBlock(conf.head)
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discard com.db.setHead(parentBlock.header)
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if canonicalHeadHashKey().toOpenArray notin com.db.kvt:
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persistToDb(com.db):
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com.initializeEmptyDb()
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doAssert(canonicalHeadHashKey().toOpenArray in com.db.kvt)
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var head = com.db.getCanonicalHead()
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var blockNumber = head.blockNumber + 1
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var chain = newChain(com)
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let numBlocksToCommit = conf.numCommits
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var headers = newSeqOfCap[BlockHeader](numBlocksToCommit)
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var bodies = newSeqOfCap[BlockBody](numBlocksToCommit)
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var one = 1.u256
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var numBlocks = 0
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var counter = 0
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while true:
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var thisBlock = requestBlock(blockNumber)
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headers.add thisBlock.header
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bodies.add thisBlock.body
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info "REQUEST HEADER", blockNumber=blockNumber, txs=thisBlock.body.transactions.len
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inc numBlocks
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blockNumber += one
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if numBlocks == numBlocksToCommit:
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persistToDb(com.db):
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if chain.persistBlocks(headers, bodies) != ValidationResult.OK:
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raise newException(ValidationError, "Error when validating blocks")
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numBlocks = 0
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headers.setLen(0)
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bodies.setLen(0)
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inc counter
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if conf.maxBlocks != 0 and counter >= conf.maxBlocks:
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break
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if numBlocks > 0:
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persistToDb(com.db):
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if chain.persistBlocks(headers, bodies) != ValidationResult.OK:
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raise newException(ValidationError, "Error when validating blocks")
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when isMainModule:
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var message: string
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## Processing command line arguments
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if configuration.processArguments(message) != Success:
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echo message
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quit(QuitFailure)
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else:
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if len(message) > 0:
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echo message
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quit(QuitSuccess)
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try:
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main()
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except CatchableError:
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echo getCurrentExceptionMsg()
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