nimbus-eth1/nimbus/core/block_import.nim

91 lines
2.5 KiB
Nim

# Nimbus
# Copyright (c) 2021-2024 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
# * MIT license ([LICENSE-MIT](LICENSE-MIT))
# at your option.
# This file may not be copied, modified, or distributed except according to
# those terms.
{.push raises: [].}
import
chronicles,
eth/rlp,
stew/io2,
./chain,
../config,
../utils/utils
proc importRlpBlocks*(blocksRlp: openArray[byte],
chain: ForkedChainRef,
finalize: bool):
Result[void, string] =
var
# the encoded rlp can contains one or more blocks
rlp = rlpFromBytes(blocksRlp)
blk: Block
printBanner = false
firstSkip = Opt.none(uint64)
while rlp.hasData:
blk = try:
rlp.read(Block)
except RlpError as e:
# terminate if there was a decoding error
return err($e.name & ": " & e.msg)
if blk.header.number <= chain.baseNumber:
if firstSkip.isNone:
firstSkip = Opt.some(blk.header.number)
continue
if firstSkip.isSome:
if firstSkip.get == blk.header.number - 1:
info "Block number smaller than base",
skip=firstSkip.get
else:
info "Block number smaller than base",
startSkip=firstSkip.get,
skipTo=blk.header.number-1
firstSkip.reset()
if not printBanner:
info "Start importing block",
hash=blk.header.blockHash.short,
number=blk.header.number
printBanner = true
let res = chain.importBlock(blk)
if res.isErr:
error "Error occured when importing block",
hash=blk.header.blockHash.short,
number=blk.header.number,
msg=res.error
if finalize:
? chain.forkChoice(chain.latestHash, chain.latestHash)
return res
if finalize:
? chain.forkChoice(chain.latestHash, chain.latestHash)
ok()
proc importRlpBlocks*(importFile: string,
chain: ForkedChainRef,
finalize: bool): Result[void, string] =
let bytes = io2.readAllBytes(importFile).valueOr:
return err($error)
importRlpBlocks(bytes, chain, finalize)
proc importRlpBlocks*(conf: NimbusConf, com: CommonRef) =
let chain = ForkedChainRef.init(com, baseDistance = 0)
# success or not, we quit after importing blocks
for i, blocksFile in conf.blocksFile:
importRlpBlocks(string blocksFile, chain, i == conf.blocksFile.len-1).isOkOr:
warn "Error when importing blocks", msg=error
quit(QuitFailure)
quit(QuitSuccess)