137 lines
4.1 KiB
Nim
137 lines
4.1 KiB
Nim
# Nimbus
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# Copyright (c) 2021 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
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# except according to those terms.
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{.push raises: [].}
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import
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eth/[common, p2p],
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chronicles,
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chronos,
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../db/select_backend,
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../core/chain,
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./snap/[worker, worker_desc],
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"."/[protocol, sync_desc, sync_sched]
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logScope:
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topics = "snap-sync"
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type
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SnapSyncRef* = RunnerSyncRef[CtxData,BuddyData]
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const
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extraTraceMessages = false # or true
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## Enable additional logging noise
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# ------------------------------------------------------------------------------
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# Private logging helpers
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# ------------------------------------------------------------------------------
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template traceMsg(f, info: static[string]; args: varargs[untyped]) =
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trace "Snap scheduler " & f & "() " & info, args
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template traceMsgCtx(f, info: static[string]; c: SnapCtxRef) =
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when extraTraceMessages:
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block:
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let
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poolMode {.inject.} = c.poolMode
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daemon {.inject.} = c.daemon
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f.traceMsg info, poolMode, daemon
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template traceMsgBuddy(f, info: static[string]; b: SnapBuddyRef) =
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when extraTraceMessages:
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block:
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let
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peer {.inject.} = b.peer
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runState {.inject.} = b.ctrl.state
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multiOk {.inject.} = b.ctrl.multiOk
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poolMode {.inject.} = b.ctx.poolMode
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daemon {.inject.} = b.ctx.daemon
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f.traceMsg info, peer, runState, multiOk, poolMode, daemon
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template tracerFrameCtx(f: static[string]; c: SnapCtxRef; code: untyped) =
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f.traceMsgCtx "begin", c
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code
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f.traceMsgCtx "end", c
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template tracerFrameBuddy(f: static[string]; b: SnapBuddyRef; code: untyped) =
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f.traceMsgBuddy "begin", b
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code
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f.traceMsgBuddy "end", b
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# ------------------------------------------------------------------------------
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# Virtual methods/interface, `mixin` functions
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# ------------------------------------------------------------------------------
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proc runSetup(ctx: SnapCtxRef; ticker: bool): bool =
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tracerFrameCtx("runSetup", ctx):
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result = worker.setup(ctx,ticker)
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proc runRelease(ctx: SnapCtxRef) =
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tracerFrameCtx("runRelease", ctx):
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worker.release(ctx)
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proc runDaemon(ctx: SnapCtxRef) {.async.} =
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tracerFrameCtx("runDaemon", ctx):
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await worker.runDaemon(ctx)
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proc runStart(buddy: SnapBuddyRef): bool =
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tracerFrameBuddy("runStart", buddy):
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result = worker.start(buddy)
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proc runStop(buddy: SnapBuddyRef) =
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tracerFrameBuddy("runStop", buddy):
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worker.stop(buddy)
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proc runPool(buddy: SnapBuddyRef; last: bool): bool =
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tracerFrameBuddy("runPool", buddy):
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result = worker.runPool(buddy, last)
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proc runSingle(buddy: SnapBuddyRef) {.async.} =
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tracerFrameBuddy("runSingle", buddy):
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await worker.runSingle(buddy)
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proc runMulti(buddy: SnapBuddyRef) {.async.} =
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tracerFrameBuddy("runMulti", buddy):
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await worker.runMulti(buddy)
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# ------------------------------------------------------------------------------
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# Public functions
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# ------------------------------------------------------------------------------
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proc init*(
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T: type SnapSyncRef;
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ethNode: EthereumNode;
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chain: ChainRef;
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rng: ref HmacDrbgContext;
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maxPeers: int;
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dbBackend: ChainDb;
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enableTicker = false;
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noRecovery = false;
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): T =
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new result
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result.initSync(ethNode, chain, maxPeers, enableTicker)
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result.ctx.chain = chain # explicitely override
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result.ctx.pool.rng = rng
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result.ctx.pool.dbBackend = dbBackend
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result.ctx.pool.noRecovery = noRecovery
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# Required to have been initialised via `addEthHandlerCapability()`
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doAssert not result.ctx.ethWireCtx.isNil
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proc start*(ctx: SnapSyncRef) =
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doAssert ctx.startSync()
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proc stop*(ctx: SnapSyncRef) =
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ctx.stopSync()
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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