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preProcessorsContainerFactory.go
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/
preProcessorsContainerFactory.go
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package metachain
import (
"github.com/ElrondNetwork/elrond-go/core"
"github.com/ElrondNetwork/elrond-go/core/check"
"github.com/ElrondNetwork/elrond-go/data/block"
"github.com/ElrondNetwork/elrond-go/data/state"
"github.com/ElrondNetwork/elrond-go/dataRetriever"
"github.com/ElrondNetwork/elrond-go/hashing"
"github.com/ElrondNetwork/elrond-go/marshal"
"github.com/ElrondNetwork/elrond-go/process"
"github.com/ElrondNetwork/elrond-go/process/block/preprocess"
"github.com/ElrondNetwork/elrond-go/process/factory/containers"
"github.com/ElrondNetwork/elrond-go/sharding"
)
var _ process.PreProcessorsContainerFactory = (*preProcessorsContainerFactory)(nil)
type preProcessorsContainerFactory struct {
shardCoordinator sharding.Coordinator
store dataRetriever.StorageService
marshalizer marshal.Marshalizer
hasher hashing.Hasher
dataPool dataRetriever.PoolsHolder
txProcessor process.TransactionProcessor
scResultProcessor process.SmartContractResultProcessor
accounts state.AccountsAdapter
requestHandler process.RequestHandler
economicsFee process.FeeHandler
gasHandler process.GasHandler
blockTracker preprocess.BlockTracker
pubkeyConverter core.PubkeyConverter
blockSizeComputation preprocess.BlockSizeComputationHandler
balanceComputation preprocess.BalanceComputationHandler
}
// NewPreProcessorsContainerFactory is responsible for creating a new preProcessors factory object
func NewPreProcessorsContainerFactory(
shardCoordinator sharding.Coordinator,
store dataRetriever.StorageService,
marshalizer marshal.Marshalizer,
hasher hashing.Hasher,
dataPool dataRetriever.PoolsHolder,
accounts state.AccountsAdapter,
requestHandler process.RequestHandler,
txProcessor process.TransactionProcessor,
scResultProcessor process.SmartContractResultProcessor,
economicsFee process.FeeHandler,
gasHandler process.GasHandler,
blockTracker preprocess.BlockTracker,
pubkeyConverter core.PubkeyConverter,
blockSizeComputation preprocess.BlockSizeComputationHandler,
balanceComputation preprocess.BalanceComputationHandler,
) (*preProcessorsContainerFactory, error) {
if check.IfNil(shardCoordinator) {
return nil, process.ErrNilShardCoordinator
}
if check.IfNil(store) {
return nil, process.ErrNilStore
}
if check.IfNil(marshalizer) {
return nil, process.ErrNilMarshalizer
}
if check.IfNil(hasher) {
return nil, process.ErrNilHasher
}
if check.IfNil(dataPool) {
return nil, process.ErrNilDataPoolHolder
}
if check.IfNil(txProcessor) {
return nil, process.ErrNilTxProcessor
}
if check.IfNil(accounts) {
return nil, process.ErrNilAccountsAdapter
}
if check.IfNil(requestHandler) {
return nil, process.ErrNilRequestHandler
}
if check.IfNil(economicsFee) {
return nil, process.ErrNilEconomicsFeeHandler
}
if check.IfNil(scResultProcessor) {
return nil, process.ErrNilSmartContractResultProcessor
}
if check.IfNil(gasHandler) {
return nil, process.ErrNilGasHandler
}
if check.IfNil(blockTracker) {
return nil, process.ErrNilBlockTracker
}
if check.IfNil(pubkeyConverter) {
return nil, process.ErrNilPubkeyConverter
}
if check.IfNil(blockSizeComputation) {
return nil, process.ErrNilBlockSizeComputationHandler
}
if check.IfNil(balanceComputation) {
return nil, process.ErrNilBalanceComputationHandler
}
return &preProcessorsContainerFactory{
shardCoordinator: shardCoordinator,
store: store,
marshalizer: marshalizer,
hasher: hasher,
dataPool: dataPool,
txProcessor: txProcessor,
accounts: accounts,
requestHandler: requestHandler,
economicsFee: economicsFee,
scResultProcessor: scResultProcessor,
gasHandler: gasHandler,
blockTracker: blockTracker,
pubkeyConverter: pubkeyConverter,
blockSizeComputation: blockSizeComputation,
balanceComputation: balanceComputation,
}, nil
}
// Create returns a preprocessor container that will hold all preprocessors in the system
func (ppcm *preProcessorsContainerFactory) Create() (process.PreProcessorsContainer, error) {
container := containers.NewPreProcessorsContainer()
preproc, err := ppcm.createTxPreProcessor()
if err != nil {
return nil, err
}
err = container.Add(block.TxBlock, preproc)
if err != nil {
return nil, err
}
preproc, err = ppcm.createSmartContractResultPreProcessor()
if err != nil {
return nil, err
}
err = container.Add(block.SmartContractResultBlock, preproc)
if err != nil {
return nil, err
}
return container, nil
}
func (ppcm *preProcessorsContainerFactory) createTxPreProcessor() (process.PreProcessor, error) {
txPreprocessor, err := preprocess.NewTransactionPreprocessor(
ppcm.dataPool.Transactions(),
ppcm.store,
ppcm.hasher,
ppcm.marshalizer,
ppcm.txProcessor,
ppcm.shardCoordinator,
ppcm.accounts,
ppcm.requestHandler.RequestTransaction,
ppcm.economicsFee,
ppcm.gasHandler,
ppcm.blockTracker,
block.TxBlock,
ppcm.pubkeyConverter,
ppcm.blockSizeComputation,
ppcm.balanceComputation,
)
return txPreprocessor, err
}
func (ppcm *preProcessorsContainerFactory) createSmartContractResultPreProcessor() (process.PreProcessor, error) {
scrPreprocessor, err := preprocess.NewSmartContractResultPreprocessor(
ppcm.dataPool.UnsignedTransactions(),
ppcm.store,
ppcm.hasher,
ppcm.marshalizer,
ppcm.scResultProcessor,
ppcm.shardCoordinator,
ppcm.accounts,
ppcm.requestHandler.RequestUnsignedTransactions,
ppcm.gasHandler,
ppcm.economicsFee,
ppcm.pubkeyConverter,
ppcm.blockSizeComputation,
ppcm.balanceComputation,
)
return scrPreprocessor, err
}
// IsInterfaceNil returns true if there is no value under the interface
func (ppcm *preProcessorsContainerFactory) IsInterfaceNil() bool {
return ppcm == nil
}