68 lines
2.1 KiB
Nim
68 lines
2.1 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) 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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std/[sequtils, strutils],
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eth/common,
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../../nimbus/db/era1_db,
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./undump_helpers
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var
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noisy* = false
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# ------------------------------------------------------------------------------
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# Public undump
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# ------------------------------------------------------------------------------
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iterator undumpBlocksEra1*(dir: string): (seq[BlockHeader],seq[BlockBody]) =
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let db = Era1DbRef.init dir
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defer: db.dispose()
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doAssert db.hasAllKeys(0,500) # check whether `init()` succeeded
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if noisy: echo "*** undumpBlocksEra1",
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" ranges={", db.blockRanges.toSeq.mapIt(
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"[" & $it.startBlock & "," & $it.endBlock & "]"
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).join(", ") & "}"
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for w in db.headerBodyPairs:
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yield w
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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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): (seq[BlockHeader],seq[BlockBody]) =
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let db = Era1DbRef.init dir
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defer: db.dispose()
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doAssert db.hasAllKeys(0,500) # check whether `init()` succeeded
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if noisy:
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let top = (if stopAfter == high(uint64): ".." else: "," & $stopAfter)
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echo "*** undumpBlocksEra1(", least, top, ")",
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" ranges={", db.blockRanges.toSeq.mapIt(
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"[" & $it.startBlock & "," & $it.endBlock & "]"
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).join(", ") & "}"
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for (seqHdr,seqBdy) in db.headerBodyPairs:
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let (h,b) = startAt(seqHdr, seqBdy, least)
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if h.len == 0:
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continue
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let w = stopAfter(h, b, stopAfter)
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if w[0].len == 0:
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break
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yield w
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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