132 lines
4.3 KiB
Nim
132 lines
4.3 KiB
Nim
# Nimbus
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# Copyright (c) 2018 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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../../db/db_chain,
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../../vm_state,
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../../vm_types,
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../clique,
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../executor,
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../validate,
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./chain_desc,
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./chain_helpers,
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chronicles,
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eth/[common, trie/db],
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stew/endians2,
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stint
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when not defined(release):
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import
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../../tracer,
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../../utils
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{.push raises: [Defect].}
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# ------------------------------------------------------------------------------
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# Private
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# ------------------------------------------------------------------------------
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proc persistBlocksImpl(c: Chain; headers: openarray[BlockHeader];
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bodies: openarray[BlockBody]): ValidationResult
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# wildcard exception, wrapped below in public section
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{.inline, raises: [Exception].} =
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c.db.highestBlock = headers[^1].blockNumber
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let transaction = c.db.db.beginTransaction()
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defer: transaction.dispose()
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trace "Persisting blocks",
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fromBlock = headers[0].blockNumber,
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toBlock = headers[^1].blockNumber
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var cliqueState = c.clique.cliqueSave
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defer: c.clique.cliqueRestore(cliqueState)
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# Note that `0 < headers.len`, assured when called from `persistBlocks()`
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var vmState = BaseVMState.new(headers[0], c.db)
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for i in 0 ..< headers.len:
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let
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(header, body) = (headers[i], bodies[i])
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if not vmState.reinit(header):
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debug "Cannot update VmState",
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blockNumber = header.blockNumber,
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item = i
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return ValidationResult.Error
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let
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validationResult = vmState.processBlock(c.clique, header, body)
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when not defined(release):
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if validationResult == ValidationResult.Error and
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body.transactions.calcTxRoot == header.txRoot:
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dumpDebuggingMetaData(c.db, header, body, vmState)
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warn "Validation error. Debugging metadata dumped."
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if validationResult != ValidationResult.OK:
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return validationResult
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if c.extraValidation and c.verifyFrom <= header.blockNumber:
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if c.db.config.poaEngine:
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var parent = if 0 < i: @[headers[i-1]] else: @[]
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let rc = c.clique.cliqueVerify(header,parent)
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if rc.isOK:
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# mark it off so it would not auto-restore previous state
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c.clique.cliqueDispose(cliqueState)
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else:
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debug "PoA header verification failed",
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blockNumber = header.blockNumber,
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msg = $rc.error
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return ValidationResult.Error
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else:
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let res = c.db.validateHeaderAndKinship(
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header,
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body,
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checkSealOK = false, # TODO: how to checkseal from here
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c.pow)
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if res.isErr:
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debug "block validation error",
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msg = res.error
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return ValidationResult.Error
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discard c.db.persistHeaderToDb(header)
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discard c.db.persistTransactions(header.blockNumber, body.transactions)
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discard c.db.persistReceipts(vmState.receipts)
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# update currentBlock *after* we persist it
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# so the rpc return consistent result
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# between eth_blockNumber and eth_syncing
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c.db.currentBlock = header.blockNumber
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transaction.commit()
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# ------------------------------------------------------------------------------
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# Public `AbstractChainDB` overload method
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# ------------------------------------------------------------------------------
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method persistBlocks*(c: Chain; headers: openarray[BlockHeader];
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bodies: openarray[BlockBody]): ValidationResult
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{.gcsafe, raises: [Defect,CatchableError].} =
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# Run the VM here
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if headers.len != bodies.len:
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debug "Number of headers not matching number of bodies"
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return ValidationResult.Error
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if headers.len == 0:
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debug "Nothing to do"
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return ValidationResult.OK
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safeP2PChain("persistBlocks"):
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result = c.persistBlocksImpl(headers,bodies)
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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