68 lines
1.9 KiB
Nim
68 lines
1.9 KiB
Nim
# Nimbus
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# Copyright (c) 2021-2024 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))
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# * MIT license ([LICENSE-MIT](LICENSE-MIT))
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# at your option.
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# This file may not be copied, modified, or distributed except according to
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# those terms.
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{.push raises: [].}
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import
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chronicles,
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eth/rlp, stew/io2,
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./chain,
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../common/common,
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../utils/utils,
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../config
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proc importRlpBlocks*(blocksRlp: openArray[byte],
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chain: ForkedChainRef,
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finalize: bool):
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Result[void, string] =
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var
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# the encoded rlp can contains one or more blocks
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rlp = rlpFromBytes(blocksRlp)
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blk: EthBlock
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# even though the new imported blocks have block number
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# smaller than head, we keep importing it.
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# it maybe a side chain.
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while rlp.hasData:
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blk = try:
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rlp.read(EthBlock)
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except RlpError as e:
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# terminate if there was a decoding error
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return err($e.name & ": " & e.msg)
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? chain.importBlock(blk)
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if finalize:
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? chain.forkChoice(chain.latestHash, chain.latestHash)
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ok()
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proc importRlpBlocks*(importFile: string,
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chain: ForkedChainRef,
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finalize: bool): Result[void, string] =
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let bytes = io2.readAllBytes(importFile).valueOr:
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return err($error)
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importRlpBlocks(bytes, chain, finalize)
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proc importRlpBlocks*(conf: NimbusConf, com: CommonRef) =
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var head: BlockHeader
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if not com.db.getCanonicalHead(head):
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error "cannot get canonical head from db"
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quit(QuitFailure)
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let chain = newForkedChain(com, head, baseDistance = 0)
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# success or not, we quit after importing blocks
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for i, blocksFile in conf.blocksFile:
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importRlpBlocks(string blocksFile, chain, i == conf.blocksFile.len-1).isOkOr:
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warn "Error when importing blocks", msg=error
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quit(QuitFailure)
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quit(QuitSuccess)
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