82 lines
2.3 KiB
Nim
82 lines
2.3 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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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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../p2p/chain,
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./snap/[worker, worker_desc],
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"."/[protocol, sync_desc, sync_sched]
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{.push raises: [Defect].}
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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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# ------------------------------------------------------------------------------
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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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worker.setup(ctx,ticker)
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proc runRelease(ctx: SnapCtxRef) =
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worker.release(ctx)
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proc runStart(buddy: SnapBuddyRef): bool =
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worker.start(buddy)
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proc runStop(buddy: SnapBuddyRef) =
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worker.stop(buddy)
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proc runPool(buddy: SnapBuddyRef; last: bool) =
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worker.runPool(buddy, last)
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proc runSingle(buddy: SnapBuddyRef) {.async.} =
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await worker.runSingle(buddy)
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proc runMulti(buddy: SnapBuddyRef) {.async.} =
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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: Chain;
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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): 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.data.rng = rng
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result.ctx.data.dbBackend = dbBackend
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# Required to have been initialised via `addCapability()`
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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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