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https://github.com/kaspanet/kaspad.git
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fed34273a1
* [NOD-1404] Remove most of the notification manager to fix a deadlock. * [NOD-1404] Rename a couple of fields. * [NOD-1404] Fix merge errors. * [NOD-1404] Remove most of the notification manager to fix a deadlock (#935) * [NOD-1404] Remove most of the notification manager to fix a deadlock. * [NOD-1404] Rename a couple of fields.
81 lines
2.4 KiB
Go
81 lines
2.4 KiB
Go
package flowcontext
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import (
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"sync/atomic"
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"github.com/kaspanet/kaspad/app/appmessage"
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"github.com/kaspanet/kaspad/app/protocol/flows/blockrelay"
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"github.com/kaspanet/kaspad/domain/blockdag"
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"github.com/kaspanet/kaspad/util"
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"github.com/kaspanet/kaspad/util/daghash"
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)
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// OnNewBlock updates the mempool after a new block arrival, and
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// relays newly unorphaned transactions and possibly rebroadcast
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// manually added transactions when not in IBD.
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func (f *FlowContext) OnNewBlock(block *util.Block) error {
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transactionsAcceptedToMempool, err := f.txPool.HandleNewBlock(block)
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if err != nil {
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return err
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}
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if f.onBlockAddedToDAGHandler != nil {
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err := f.onBlockAddedToDAGHandler(block)
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if err != nil {
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return err
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}
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}
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return f.broadcastTransactionsAfterBlockAdded(block, transactionsAcceptedToMempool)
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}
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func (f *FlowContext) broadcastTransactionsAfterBlockAdded(block *util.Block, transactionsAcceptedToMempool []*util.Tx) error {
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f.updateTransactionsToRebroadcast(block)
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// Don't relay transactions when in IBD.
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if atomic.LoadUint32(&f.isInIBD) != 0 {
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return nil
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}
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var txIDsToRebroadcast []*daghash.TxID
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if f.shouldRebroadcastTransactions() {
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txIDsToRebroadcast = f.txIDsToRebroadcast()
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}
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txIDsToBroadcast := make([]*daghash.TxID, len(transactionsAcceptedToMempool)+len(txIDsToRebroadcast))
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for i, tx := range transactionsAcceptedToMempool {
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txIDsToBroadcast[i] = tx.ID()
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}
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offset := len(transactionsAcceptedToMempool)
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for i, txID := range txIDsToRebroadcast {
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txIDsToBroadcast[offset+i] = txID
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}
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if len(txIDsToBroadcast) == 0 {
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return nil
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}
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if len(txIDsToBroadcast) > appmessage.MaxInvPerTxInvMsg {
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txIDsToBroadcast = txIDsToBroadcast[:appmessage.MaxInvPerTxInvMsg]
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}
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inv := appmessage.NewMsgInvTransaction(txIDsToBroadcast)
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return f.Broadcast(inv)
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}
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// SharedRequestedBlocks returns a *blockrelay.SharedRequestedBlocks for sharing
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// data about requested blocks between different peers.
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func (f *FlowContext) SharedRequestedBlocks() *blockrelay.SharedRequestedBlocks {
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return f.sharedRequestedBlocks
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}
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// AddBlock adds the given block to the DAG and propagates it.
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func (f *FlowContext) AddBlock(block *util.Block, flags blockdag.BehaviorFlags) error {
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_, _, err := f.DAG().ProcessBlock(block, flags)
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if err != nil {
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return err
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}
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err = f.OnNewBlock(block)
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if err != nil {
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return err
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}
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return f.Broadcast(appmessage.NewMsgInvBlock(block.Hash()))
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}
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