116 lines
3.4 KiB
Nim
116 lines
3.4 KiB
Nim
# Nimbus
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# Copyright (c) 2023-2024 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at
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# https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at
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# https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed
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# except according to those terms.
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{.push raises:[].}
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import
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pkg/eth/p2p,
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pkg/results,
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pkg/stew/interval_set,
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../worker_desc
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# ------------------------------------------------------------------------------
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# Public functions
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# ------------------------------------------------------------------------------
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proc blocksUnprocFetch*(
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ctx: FlareCtxRef;
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maxLen: uint64;
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): Result[BnRange,void] =
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## Fetch interval from block ranges with maximal size `maxLen`, where
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## `0` is interpreted as `2^64`.
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##
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let
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q = ctx.blk.unprocessed
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# Fetch bottom/left interval with least block numbers
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jv = q.ge().valueOr:
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return err()
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# Curb interval to maximal length `maxLen`
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iv = block:
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if maxLen == 0 or (0 < jv.len and jv.len <= maxLen):
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jv
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else:
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# Curb interval `jv` to length `maxLen`
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#
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# Note that either (fringe case):
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# (`jv.len`==0) => (`jv`==`[0,high(u64)]`) => `jv.maxPt`==`high(u64)`
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# or (in the non-fringe case)
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# (`maxLen` < `jv.len`) => (`jv.minPt` + `maxLen` - 1 < `jv.maxPt`)
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#
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BnRange.new(jv.minPt, jv.minPt + maxLen - 1)
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discard q.reduce(iv)
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ctx.blk.borrowed += iv.len
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ok(iv)
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proc blocksUnprocCommit*(ctx: FlareCtxRef; borrowed: uint) =
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## Commit back all processed range
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ctx.blk.borrowed -= borrowed
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proc blocksUnprocCommit*(ctx: FlareCtxRef; borrowed: uint; retuor: BnRange) =
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## Merge back unprocessed range `retour`
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ctx.blocksUnprocCommit borrowed
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doAssert ctx.blk.unprocessed.merge(retuor) == retuor.len
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proc blocksUnprocCommit*(
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ctx: FlareCtxRef;
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borrowed: uint;
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rMinPt: BlockNumber;
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rMaxPt: BlockNumber) =
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## Variant of `blocksUnprocCommit()`
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ctx.blocksUnprocCommit borrowed
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doAssert ctx.blk.unprocessed.merge(rMinPt, rMaxPt) == rMaxPt - rMinPt + 1
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proc blocksUnprocCovered*(ctx: FlareCtxRef; minPt,maxPt: BlockNumber): uint64 =
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## Check whether range is fully contained
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ctx.blk.unprocessed.covered(minPt, maxPt)
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proc blocksUnprocCovered*(ctx: FlareCtxRef; pt: BlockNumber): bool =
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## Check whether point is contained
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ctx.blk.unprocessed.covered(pt, pt) == 1
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proc blocksUnprocTop*(ctx: FlareCtxRef): BlockNumber =
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let iv = ctx.blk.unprocessed.le().valueOr:
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return BlockNumber(0)
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iv.maxPt
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proc blocksUnprocBottom*(ctx: FlareCtxRef): BlockNumber =
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let iv = ctx.blk.unprocessed.ge().valueOr:
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return high(BlockNumber)
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iv.minPt
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proc blocksUnprocTotal*(ctx: FlareCtxRef): uint64 =
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ctx.blk.unprocessed.total()
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proc blocksUnprocBorrowed*(ctx: FlareCtxRef): uint64 =
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ctx.blk.borrowed
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proc blocksUnprocChunks*(ctx: FlareCtxRef): int =
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ctx.blk.unprocessed.chunks()
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proc blocksUnprocIsEmpty*(ctx: FlareCtxRef): bool =
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ctx.blk.unprocessed.chunks() == 0
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# ------------------
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proc blocksUnprocInit*(ctx: FlareCtxRef) =
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## Constructor
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ctx.blk.unprocessed = BnRangeSet.init()
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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