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4773f87875
* [NOD-1125] Write a skeleton for starting IBD. * [NOD-1125] Add WaitForIBDStart to Peer. * [NOD-1125] Move functions around. * [NOD-1125] Fix merge errors. * [NOD-1125] Fix a comment. * [NOD-1125] Implement sendGetBlockLocator. * [NOD-1125] Begin implementing findIBDLowHash. * [NOD-1125] Finish implementing findIBDLowHash. * [NOD-1125] Rename findIBDLowHash to findHighestSharedBlockHash. * [NOD-1125] Implement downloadBlocks. * [NOD-1125] Implement msgIBDBlock. * [NOD-1125] Implement msgIBDBlock. * [NOD-1125] Fix message types for HandleIBD. * [NOD-1125] Write a skeleton for requesting selected tip hashes. * [NOD-1125] Write a skeleton for the rest of the IBD requests. * [NOD-1125] Implement HandleGetBlockLocator. * [NOD-1125] Fix wrong timeout. * [NOD-1125] Fix compilation error. * [NOD-1125] Implement HandleGetBlocks. * [NOD-1125] Fix compilation errors. * [NOD-1125] Fix merge errors. * [NOD-1125] Implement selectPeerForIBD. * [NOD-1125] Implement RequestSelectedTip. * [NOD-1125] Implement HandleGetSelectedTip. * [NOD-1125] Make go lint happy. * [NOD-1125] Add minGetSelectedTipInterval. * [NOD-1125] Call StartIBDIfRequired where needed. * [NOD-1125] Fix merge errors. * [NOD-1125] Remove a redundant line. * [NOD-1125] Rename shouldContinue to shouldStop. * [NOD-1125] Lowercasify an error message. * [NOD-1125] Shuffle statements around in findHighestSharedBlockHash. * [NOD-1125] Rename hasRecentlyReceivedBlock to isDAGTimeCurrent. * [NOD-1125] Scope minGetSelectedTipInterval. * [NOD-1125] Handle an unhandled error. * [NOD-1125] Use AddUint32 instead of LoadUint32 + StoreUint32. * [NOD-1125] Use AddUint32 instead of LoadUint32 + StoreUint32. * [NOD-1125] Use SwapUint32 instead of AddUint32. * [NOD-1125] Remove error from requestSelectedTips. * [NOD-1125] Actually stop IBD when it should stop. * [NOD-1125] Actually stop RequestSelectedTip when it should stop. * [NOD-1125] Don't ban peers that send us delayed blocks during IBD. * [NOD-1125] Make unexpected message type messages nicer. * [NOD-1125] Remove Peer.ready and make HandleHandshake return it to guarantee we never operate on a non-initialized peer. * [NOD-1125] Remove errors associated with Peer.ready. * [NOD-1125] Extract maxHashesInMsgIBDBlocks to a const. * [NOD-1125] Move the ibd package into flows. * [NOD-1125] Start IBD if required after getting an unknown block inv. * [NOD-1125] Don't request blocks during relay if we're in the middle of IBD. * [NOD-1125] Remove AddBlockLocatorHash. * [NOD-1125] Extract runIBD to a seperate function. * [NOD-1125] Extract runSelectedTipRequest to a seperate function. * [NOD-1125] Remove EnqueueWithTimeout. * [NOD-1125] Increase the capacity of the outgoingRoute. * [NOD-1125] Fix some bad names. * [NOD-1125] Fix a comment. * [NOD-1125] Simplify a comment. * [NOD-1125] Move WaitFor... functions into their respective run... functions. * [NOD-1125] Return default values in case of error. * [NOD-1125] Use CmdXXX in error messages. * [NOD-1125] Use MaxInvPerMsg in outgoingRouteMaxMessages instead of MaxBlockLocatorsPerMsg. * [NOD-1125] Fix a comment. * [NOD-1125] Disconnect a peer that sends us a delayed block during IBD. * [NOD-1125] Use StoreUint32 instead of SwapUint32. * [NOD-1125] Add a comment. * [NOD-1125] Don't ban peers that send us delayed blocks.
45 lines
1.5 KiB
Go
45 lines
1.5 KiB
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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// 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.MsgGetBlocks) {
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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.AntiPastHashesBetween(msg.LowHash, msg.HighHash,
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wire.MaxInvPerMsg)
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if err != nil {
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sp.AddBanScoreAndPushRejectMsg(wire.CmdGetBlocks, wire.RejectInvalid, nil,
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peer.BanScoreInvalidMsgGetBlockInvs, 0,
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fmt.Sprintf("error getting antiPast hashes between %s and %s: %s", msg.LowHash, msg.HighHash, err))
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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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