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37 lines
1.4 KiB
Go
37 lines
1.4 KiB
Go
package p2p
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import (
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"github.com/kaspanet/kaspad/config"
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"github.com/kaspanet/kaspad/peer"
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"github.com/kaspanet/kaspad/util"
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"github.com/kaspanet/kaspad/util/daghash"
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"github.com/kaspanet/kaspad/wire"
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)
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// OnTx is invoked when a peer receives a tx bitcoin message. It blocks
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// until the bitcoin transaction has been fully processed. Unlock the block
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// handler this does not serialize all transactions through a single thread
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// transactions don't rely on the previous one in a linear fashion like blocks.
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func (sp *Peer) OnTx(_ *peer.Peer, msg *wire.MsgTx) {
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if config.ActiveConfig().BlocksOnly {
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peerLog.Tracef("Ignoring tx %s from %s - blocksonly enabled",
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msg.TxID(), sp)
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return
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}
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// Add the transaction to the known inventory for the peer.
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// Convert the raw MsgTx to a util.Tx which provides some convenience
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// methods and things such as hash caching.
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tx := util.NewTx(msg)
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iv := wire.NewInvVect(wire.InvTypeTx, (*daghash.Hash)(tx.ID()))
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sp.AddKnownInventory(iv)
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// Queue the transaction up to be handled by the sync manager and
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// intentionally block further receives until the transaction is fully
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// processed and known good or bad. This helps prevent a malicious peer
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// from queuing up a bunch of bad transactions before disconnecting (or
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// being disconnected) and wasting memory.
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sp.server.SyncManager.QueueTx(tx, sp.Peer, sp.txProcessed)
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<-sp.txProcessed
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}
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