mirror of
https://github.com/status-im/nimbus-eth1.git
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411a3cadfa
* renamed nimbus folder to execution_chain * Renamed "nimbus" references to "execution_chain" * fixed wrongly changed http reference * delete snap types file given that it was deleted before this PR merge * missing 'execution_chain' replacement --------- Co-authored-by: pmmiranda <pedro.miranda@nimbus.team>
54 lines
1.8 KiB
Nim
54 lines
1.8 KiB
Nim
# Nimbus
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# Copyright (c) 2021-2025 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 results, eth/common, ../../execution_chain/db/era1_db
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var noisy* = false
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# ------------------------------------------------------------------------------
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# Public undump
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# ------------------------------------------------------------------------------
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iterator undumpBlocksEra1*(
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dir: string,
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least = low(uint64), # First block to extract
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stopAfter = high(uint64), # Last block to extract
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doAssertOk = false;
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): seq[EthBlock] =
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let db = Era1DbRef.init(dir, "mainnet").expect("Era files present")
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defer:
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db.dispose()
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# TODO it would be a lot more natural for this iterator to return 1 block at
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# a time and let the consumer do the chunking
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const blocksPerYield = 192
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var tmp = newSeqOfCap[EthBlock](blocksPerYield)
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var blk: Block
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for i in 0 ..< stopAfter:
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db.getEthBlock(least + i, blk).isOkOr:
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if doAssertOk:
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doAssert i > 0, "expected at least one block"
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break
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tmp.add move(blk)
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# Genesis block requires a chunk of its own, for compatibility with current
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# test setup (a bit weird, that...)
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if tmp.len mod blocksPerYield == 0 or tmp[0].header.number == 0:
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yield tmp
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tmp.setLen(0)
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if tmp.len > 0:
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yield tmp
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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