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logsGetter.go
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logsGetter.go
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package esdtSupply
import (
"encoding/hex"
"github.com/multiversx/mx-chain-core-go/data"
"github.com/multiversx/mx-chain-core-go/data/block"
"github.com/multiversx/mx-chain-core-go/data/transaction"
"github.com/multiversx/mx-chain-core-go/marshal"
"github.com/multiversx/mx-chain-go/storage"
)
type logsGetter struct {
logsStorer storage.Storer
marshalizer marshal.Marshalizer
}
func newLogsGetter(
marshalizer marshal.Marshalizer,
logsStorer storage.Storer,
) *logsGetter {
return &logsGetter{
logsStorer: logsStorer,
marshalizer: marshalizer,
}
}
func (lg *logsGetter) getLogsBasedOnBody(blockBody data.BodyHandler) (map[string]*data.LogData, error) {
body, ok := blockBody.(*block.Body)
if !ok {
return nil, errCannotCastToBlockBody
}
logsDB := make(map[string]*data.LogData)
for _, mb := range body.MiniBlocks {
shouldIgnore := mb.Type != block.TxBlock && mb.Type != block.SmartContractResultBlock
if shouldIgnore {
continue
}
dbLogsMb, err := lg.getLogsBasedOnMB(mb)
if err != nil {
return nil, err
}
for _, logData := range dbLogsMb {
logsDB[logData.TxHash] = logData
}
}
return logsDB, nil
}
func (lg *logsGetter) getLogsBasedOnMB(mb *block.MiniBlock) ([]*data.LogData, error) {
dbLogs := make([]*data.LogData, 0)
for _, txHash := range mb.TxHashes {
txLog, ok, err := lg.getTxLog(txHash)
if err != nil {
return nil, err
}
if !ok {
continue
}
dbLogs = append(dbLogs, &data.LogData{
LogHandler: txLog,
TxHash: string(txHash),
})
}
return dbLogs, nil
}
func (lg *logsGetter) getTxLog(txHash []byte) (data.LogHandler, bool, error) {
logBytes, err := lg.logsStorer.Get(txHash)
if err != nil {
return nil, false, nil
}
logFromDB := &transaction.Log{}
err = lg.marshalizer.Unmarshal(logFromDB, logBytes)
if err != nil {
log.Warn("logsGetter.getTxLog cannot unmarshal log",
"error", err,
"txHash", hex.EncodeToString(txHash),
)
return nil, false, err
}
return logFromDB, true, nil
}