167 lines
6.2 KiB
Nim
167 lines
6.2 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/[common, p2p],
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../../../core/chain,
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../../protocol,
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../worker_desc,
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./blocks_staged/staged_queue,
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./headers_staged/staged_queue,
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"."/[blocks_unproc, db, headers_unproc, update]
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when enableTicker:
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import ./start_stop/ticker
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# ------------------------------------------------------------------------------
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# Private functions
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# ------------------------------------------------------------------------------
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when enableTicker:
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proc tickerUpdater(ctx: BeaconCtxRef): TickerStatsUpdater =
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## Legacy stuff, will be probably be superseded by `metrics`
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return proc: auto =
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TickerStats(
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base: ctx.chain.baseNumber(),
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latest: ctx.chain.latestNumber(),
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coupler: ctx.layout.coupler,
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dangling: ctx.layout.dangling,
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head: ctx.layout.head,
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headOk: ctx.layout.lastState != idleSyncState,
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target: ctx.target.consHead.number,
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targetOk: ctx.target.final != 0,
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nHdrStaged: ctx.headersStagedQueueLen(),
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hdrStagedTop: ctx.headersStagedQueueTopKey(),
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hdrUnprocTop: ctx.headersUnprocTop(),
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nHdrUnprocessed: ctx.headersUnprocTotal() + ctx.headersUnprocBorrowed(),
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nHdrUnprocFragm: ctx.headersUnprocChunks(),
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nBlkStaged: ctx.blocksStagedQueueLen(),
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blkStagedBottom: ctx.blocksStagedQueueBottomKey(),
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blkUnprocBottom: ctx.blocksUnprocBottom(),
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nBlkUnprocessed: ctx.blocksUnprocTotal() + ctx.blocksUnprocBorrowed(),
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nBlkUnprocFragm: ctx.blocksUnprocChunks(),
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reorg: ctx.pool.nReorg,
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nBuddies: ctx.pool.nBuddies)
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proc updateBeaconHeaderCB(
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ctx: BeaconCtxRef;
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info: static[string];
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): ReqBeaconSyncTargetCB =
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## Update beacon header. This function is intended as a call back function
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## for the RPC module.
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return proc(h: Header; f: Hash32) {.gcsafe, raises: [].} =
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# Check whether there is an update running (otherwise take next upate)
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if not ctx.target.locked and # ignore if currently updating
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ctx.target.final == 0 and # ignore if complete already
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f != zeroHash32 and # finalised hash is set
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ctx.layout.head < h.number and # update is advancing
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ctx.target.consHead.number < h.number: # .. ditto
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ctx.target.consHead = h
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ctx.target.finalHash = f
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ctx.target.changed = true
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# Check whether `FC` knows about the finalised block already.
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#
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# On a full node, all blocks before the current state are stored on the
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# database which is also accessed by `FC`. So one can already decude here
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# whether `FC` id capable of handling that finalised block (the number of
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# must be at least the `base` from `FC`.)
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#
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# Otherwise the block header will need to be fetched from a peer when
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# available and checked there (see `headerStagedUpdateTarget()`.)
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#
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let finHdr = ctx.chain.headerByHash(f).valueOr: return
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ctx.updateFinalBlockHeader(finHdr, f, info)
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# ------------------------------------------------------------------------------
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# Public functions
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# ------------------------------------------------------------------------------
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when enableTicker:
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proc setupTicker*(ctx: BeaconCtxRef) =
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## Helper for `setup()`: Start ticker
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ctx.pool.ticker = TickerRef.init(ctx.tickerUpdater)
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proc destroyTicker*(ctx: BeaconCtxRef) =
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## Helper for `release()`
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ctx.pool.ticker.destroy()
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ctx.pool.ticker = TickerRef(nil)
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else:
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template setupTicker*(ctx: BeaconCtxRef) = discard
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template destroyTicker*(ctx: BeaconCtxRef) = discard
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# ---------
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proc setupDatabase*(ctx: BeaconCtxRef; info: static[string]) =
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## Initalise database related stuff
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# Initialise up queues and lists
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ctx.headersStagedQueueInit()
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ctx.blocksStagedQueueInit()
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ctx.headersUnprocInit()
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ctx.blocksUnprocInit()
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# Load initial state from database if there is any. If the loader returns
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# `true`, then the syncer will resume from previous sync in which case the
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# system becomes fully active. Otherwise there is some polling only waiting
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# for a new target so there is reduced service (aka `hibernate`.).
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ctx.hibernate = not ctx.dbLoadSyncStateLayout info
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# Set blocks batch import value for block import
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if ctx.pool.nBodiesBatch < nFetchBodiesRequest:
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if ctx.pool.nBodiesBatch == 0:
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ctx.pool.nBodiesBatch = nFetchBodiesBatchDefault
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else:
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ctx.pool.nBodiesBatch = nFetchBodiesRequest
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# Set length of `staged` queue
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if ctx.pool.nBodiesBatch < nFetchBodiesBatchDefault:
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const nBlocks = blocksStagedQueueLenMaxDefault * nFetchBodiesBatchDefault
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ctx.pool.blocksStagedQuLenMax =
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(nBlocks + ctx.pool.nBodiesBatch - 1) div ctx.pool.nBodiesBatch
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else:
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ctx.pool.blocksStagedQuLenMax = blocksStagedQueueLenMaxDefault
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proc setupRpcMagic*(ctx: BeaconCtxRef; info: static[string]) =
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## Helper for `setup()`: Enable external pivot update via RPC
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ctx.pool.chain.com.reqBeaconSyncTarget = ctx.updateBeaconHeaderCB info
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proc destroyRpcMagic*(ctx: BeaconCtxRef) =
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## Helper for `release()`
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ctx.pool.chain.com.reqBeaconSyncTarget = ReqBeaconSyncTargetCB(nil)
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# ---------
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proc startBuddy*(buddy: BeaconBuddyRef): bool =
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## Convenience setting for starting a new worker
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let
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ctx = buddy.ctx
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peer = buddy.peer
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if peer.supports(protocol.eth) and peer.state(protocol.eth).initialized:
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ctx.pool.nBuddies.inc # for metrics
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return true
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proc stopBuddy*(buddy: BeaconBuddyRef) =
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buddy.ctx.pool.nBuddies.dec # for metrics
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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