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49418f4222
* [NOD-669] Remove the "get" from getBlueBlocksBetween. * [NOD-669] Remove the "Get" from GetBlueBlocksHeadersBetween. * [NOD-669] In blueBlocksBetween, rename startHash to lowHash and stopHash to highHash. * [NOD-669] Rename startHash to lowHash and stopHash to highHash in blockLocator logic. * [NOD-669] Remove zeroHash logic in blockLocator. * [NOD-669] Finish renaming startHash and stopHash in blockdag. * [NOD-669] Rename startHash and stopHash in blockdag where I previously missed it. * [NOD-669] Rename startHash and stopHash in blockdag where I previously missed it some more. * [NOD-669] Rename startHash and stopHash in blockdag where I previously missed it some more some more. * [NOD-669] Fix bad grammar in method names. * [NOD-669] Rename lowHash to blockHash in SelectedParentChain. * [NOD-669] Fix a comment.
43 lines
1.4 KiB
Go
43 lines
1.4 KiB
Go
package p2p
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import (
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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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// OnGetBlockInvs is invoked when a peer receives a getblockinvs kaspa
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// message.
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// It finds the blue future between msg.LowHash and msg.HighHash
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// and send the invs to the requesting peer.
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func (sp *Peer) OnGetBlockInvs(_ *peer.Peer, msg *wire.MsgGetBlockInvs) {
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dag := sp.server.DAG
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// We want to prevent a situation where the syncing peer needs
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// to call getblocks once again, but the block we sent it
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// won't affect its selected chain, so next time it'll try
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// to find the highest shared chain block, it'll find the
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// same one as before.
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// To prevent that we use blockdag.FinalityInterval as maxHashes.
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// This way, if one getblocks is not enough to get the peer
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// synced, we can know for sure that its selected chain will
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// change, so we'll have higher shared chain block.
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hashList, err := dag.BlueBlockHashesBetween(msg.LowHash, msg.HighHash,
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wire.MaxInvPerMsg)
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if err != nil {
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peerLog.Warnf("Error getting blue blocks between %s and %s: %s", msg.LowHash, msg.HighHash, err)
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sp.Disconnect()
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return
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}
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// Generate inventory message.
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invMsg := wire.NewMsgInv()
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for i := range hashList {
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iv := wire.NewInvVect(wire.InvTypeSyncBlock, hashList[i])
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invMsg.AddInvVect(iv)
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}
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// Send the inventory message if there is anything to send.
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if len(invMsg.InvList) > 0 {
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sp.QueueMessage(invMsg, nil)
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}
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}
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