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22fd38c053
* [NOD-1038] Give higher priority for requesting missing ancestors when sending a getdata message (#767) * [NOD-1060] Don't sync from peers that break the netsync protocol
31 lines
951 B
Go
31 lines
951 B
Go
package p2p
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import (
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"fmt"
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"github.com/kaspanet/kaspad/peer"
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"github.com/kaspanet/kaspad/wire"
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)
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// OnGetBlockLocator is invoked when a peer receives a getlocator kaspa
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// message.
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func (sp *Peer) OnGetBlockLocator(_ *peer.Peer, msg *wire.MsgGetBlockLocator) {
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locator, err := sp.server.DAG.BlockLocatorFromHashes(msg.HighHash, msg.LowHash)
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if err != nil || len(locator) == 0 {
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if err != nil {
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peerLog.Warnf("Couldn't build a block locator between blocks "+
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"%s and %s that was requested from peer %s: %s", msg.HighHash, msg.LowHash, sp, err)
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}
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sp.AddBanScoreAndPushRejectMsg(msg.Command(), wire.RejectInvalid, nil,
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peer.BanScoreInvalidMsgGetBlockLocator, 0,
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fmt.Sprintf("couldn't build a block locator between blocks %s and %s", msg.HighHash, msg.LowHash))
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return
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}
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err = sp.PushBlockLocatorMsg(locator)
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if err != nil {
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peerLog.Errorf("Failed to send block locator message to peer %s: %s",
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sp, err)
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return
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}
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}
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