36 lines
1.1 KiB
Nim
36 lines
1.1 KiB
Nim
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import
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options,
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chronos, chronicles,
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spec/datatypes,
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eth2_network, beacon_node_types, sync_protocol
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proc init*(T: type RequestManager, network: EthereumNode): T =
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T(network: network)
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type
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FetchAncestorsResponseHandler = proc (b: BeaconBlock) {.gcsafe.}
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proc fetchAncestorBlocks*(requestManager: RequestManager,
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roots: seq[FetchRecord],
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responseHandler: FetchAncestorsResponseHandler) =
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# TODO: we could have some fancier logic here:
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#
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# * Keeps track of what was requested
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# (this would give a little bit of time for the asked peer to respond)
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#
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# * Keep track of the average latency of each peer
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# (we can give priority to peers with better latency)
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#
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# * Make more parallel requests, just in case
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#
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let peer = requestManager.network.randomPeerWith(BeaconSync)
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if peer != nil:
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var response = peer.getAncestorBlocks(roots)
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response.addCallback do (arg: pointer):
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if not response.failed and response.read.isSome:
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for blk in response.read.get.blocks:
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responseHandler(blk)
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else:
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debug "Failed to obtain ancestor blocks from peer", peer
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