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Merge pull request #6184 from multiversx/feat/chain-simulator-improvm…
…ents `feat/chain simulator improvements`
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| package components | ||
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| import ( | ||
| "github.com/multiversx/mx-chain-core-go/core/check" | ||
| "github.com/multiversx/mx-chain-core-go/data/transaction" | ||
| "github.com/multiversx/mx-chain-core-go/marshal" | ||
| "github.com/multiversx/mx-chain-go/common" | ||
| "github.com/multiversx/mx-chain-go/dataRetriever" | ||
| "github.com/multiversx/mx-chain-go/process" | ||
| "github.com/multiversx/mx-chain-go/process/factory" | ||
| "github.com/multiversx/mx-chain-go/sharding" | ||
| ) | ||
|
|
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| // ArgsSyncedTxsSender is a holder struct for all necessary arguments to create a NewSyncedTxsSender | ||
| type ArgsSyncedTxsSender struct { | ||
| Marshaller marshal.Marshalizer | ||
| ShardCoordinator sharding.Coordinator | ||
| NetworkMessenger NetworkMessenger | ||
| DataPacker process.DataPacker | ||
| } | ||
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| type syncedTxsSender struct { | ||
| marshaller marshal.Marshalizer | ||
| shardCoordinator sharding.Coordinator | ||
| networkMessenger NetworkMessenger | ||
| dataPacker process.DataPacker | ||
| } | ||
|
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| // NewSyncedTxsSender creates a new instance of syncedTxsSender | ||
| func NewSyncedTxsSender(args ArgsSyncedTxsSender) (*syncedTxsSender, error) { | ||
| if check.IfNil(args.Marshaller) { | ||
| return nil, process.ErrNilMarshalizer | ||
| } | ||
| if check.IfNil(args.ShardCoordinator) { | ||
| return nil, process.ErrNilShardCoordinator | ||
| } | ||
| if check.IfNil(args.NetworkMessenger) { | ||
| return nil, process.ErrNilMessenger | ||
| } | ||
| if check.IfNil(args.DataPacker) { | ||
| return nil, dataRetriever.ErrNilDataPacker | ||
| } | ||
|
|
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| ret := &syncedTxsSender{ | ||
| marshaller: args.Marshaller, | ||
| shardCoordinator: args.ShardCoordinator, | ||
| networkMessenger: args.NetworkMessenger, | ||
| dataPacker: args.DataPacker, | ||
| } | ||
|
|
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| return ret, nil | ||
| } | ||
|
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| // SendBulkTransactions sends the provided transactions as a bulk, optimizing transfer between nodes | ||
| func (sender *syncedTxsSender) SendBulkTransactions(txs []*transaction.Transaction) (uint64, error) { | ||
| if len(txs) == 0 { | ||
| return 0, process.ErrNoTxToProcess | ||
| } | ||
|
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| sender.sendBulkTransactions(txs) | ||
|
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| return uint64(len(txs)), nil | ||
| } | ||
|
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| func (sender *syncedTxsSender) sendBulkTransactions(txs []*transaction.Transaction) { | ||
| transactionsByShards := make(map[uint32][][]byte) | ||
| for _, tx := range txs { | ||
| marshalledTx, err := sender.marshaller.Marshal(tx) | ||
| if err != nil { | ||
| log.Warn("txsSender.sendBulkTransactions", | ||
| "marshaller error", err, | ||
| ) | ||
| continue | ||
| } | ||
|
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| senderShardId := sender.shardCoordinator.ComputeId(tx.SndAddr) | ||
| transactionsByShards[senderShardId] = append(transactionsByShards[senderShardId], marshalledTx) | ||
| } | ||
|
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| for shardId, txsForShard := range transactionsByShards { | ||
| err := sender.sendBulkTransactionsFromShard(txsForShard, shardId) | ||
| log.LogIfError(err) | ||
| } | ||
| } | ||
|
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| func (sender *syncedTxsSender) sendBulkTransactionsFromShard(transactions [][]byte, senderShardId uint32) error { | ||
| // the topic identifier is made of the current shard id and sender's shard id | ||
| identifier := factory.TransactionTopic + sender.shardCoordinator.CommunicationIdentifier(senderShardId) | ||
|
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| packets, err := sender.dataPacker.PackDataInChunks(transactions, common.MaxBulkTransactionSize) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| for _, buff := range packets { | ||
| sender.networkMessenger.Broadcast(identifier, buff) | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| // Close returns nil | ||
| func (sender *syncedTxsSender) Close() error { | ||
| return nil | ||
| } | ||
|
|
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| // IsInterfaceNil checks if the underlying pointer is nil | ||
| func (sender *syncedTxsSender) IsInterfaceNil() bool { | ||
| return sender == nil | ||
| } |
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