106 lines
3.3 KiB
Go

package flowcontext
import (
"sync/atomic"
"github.com/kaspanet/kaspad/app/protocol/blocklogger"
"github.com/kaspanet/kaspad/domain/consensus/ruleerrors"
"github.com/pkg/errors"
"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
"github.com/kaspanet/kaspad/app/appmessage"
"github.com/kaspanet/kaspad/app/protocol/flows/blockrelay"
)
// OnNewBlock updates the mempool after a new block arrival, and
// relays newly unorphaned transactions and possibly rebroadcast
// manually added transactions when not in IBD.
func (f *FlowContext) OnNewBlock(block *externalapi.DomainBlock) error {
hash := consensushashing.BlockHash(block)
log.Debugf("OnNewBlock start for block %s", hash)
defer log.Debugf("OnNewBlock end for block %s", hash)
unorphanedBlocks, err := f.UnorphanBlocks(block)
if err != nil {
return err
}
log.Debugf("OnNewBlock: block %s unorphaned %d blocks", hash, len(unorphanedBlocks))
newBlocks := append([]*externalapi.DomainBlock{block}, unorphanedBlocks...)
for _, newBlock := range newBlocks {
blocklogger.LogBlock(block)
log.Tracef("OnNewBlock: passing block %s transactions to mining manager", hash)
_ = f.Domain().MiningManager().HandleNewBlockTransactions(newBlock.Transactions)
if f.onBlockAddedToDAGHandler != nil {
log.Tracef("OnNewBlock: calling f.onBlockAddedToDAGHandler for block %s", hash)
err := f.onBlockAddedToDAGHandler(newBlock)
if err != nil {
return err
}
}
}
return nil
}
func (f *FlowContext) broadcastTransactionsAfterBlockAdded(
block *externalapi.DomainBlock, transactionsAcceptedToMempool []*externalapi.DomainTransaction) error {
f.updateTransactionsToRebroadcast(block)
// Don't relay transactions when in IBD.
if atomic.LoadUint32(&f.isInIBD) != 0 {
return nil
}
var txIDsToRebroadcast []*externalapi.DomainTransactionID
if f.shouldRebroadcastTransactions() {
txIDsToRebroadcast = f.txIDsToRebroadcast()
}
txIDsToBroadcast := make([]*externalapi.DomainTransactionID, len(transactionsAcceptedToMempool)+len(txIDsToRebroadcast))
for i, tx := range transactionsAcceptedToMempool {
txIDsToBroadcast[i] = consensushashing.TransactionID(tx)
}
offset := len(transactionsAcceptedToMempool)
for i, txID := range txIDsToRebroadcast {
txIDsToBroadcast[offset+i] = txID
}
if len(txIDsToBroadcast) == 0 {
return nil
}
if len(txIDsToBroadcast) > appmessage.MaxInvPerTxInvMsg {
txIDsToBroadcast = txIDsToBroadcast[:appmessage.MaxInvPerTxInvMsg]
}
inv := appmessage.NewMsgInvTransaction(txIDsToBroadcast)
return f.Broadcast(inv)
}
// SharedRequestedBlocks returns a *blockrelay.SharedRequestedBlocks for sharing
// data about requested blocks between different peers.
func (f *FlowContext) SharedRequestedBlocks() *blockrelay.SharedRequestedBlocks {
return f.sharedRequestedBlocks
}
// AddBlock adds the given block to the DAG and propagates it.
func (f *FlowContext) AddBlock(block *externalapi.DomainBlock) error {
err := f.Domain().Consensus().ValidateAndInsertBlock(block)
if err != nil {
if errors.As(err, &ruleerrors.RuleError{}) {
log.Infof("Validation failed for block %s: %s", consensushashing.BlockHash(block), err)
return nil
}
return err
}
err = f.OnNewBlock(block)
if err != nil {
return err
}
return f.Broadcast(appmessage.NewMsgInvBlock(consensushashing.BlockHash(block)))
}