/
nonceProcessor.go
67 lines (54 loc) · 1.57 KB
/
nonceProcessor.go
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package esdtSupply
import (
"github.com/ElrondNetwork/elrond-go-core/marshal"
"github.com/ElrondNetwork/elrond-go/storage"
)
const (
processedBlockKey = "processed-block"
)
type nonceProcessor struct {
marshalizer marshal.Marshalizer
storer storage.Storer
}
func newNonceProcessor(marshalizer marshal.Marshalizer, storer storage.Storer) *nonceProcessor {
return &nonceProcessor{
marshalizer: marshalizer,
storer: storer,
}
}
func (np *nonceProcessor) shouldProcessLog(blockNonce uint64, isRevert bool) (bool, error) {
nonceFromStorage, err := np.getLatestProcessedBlockNonceFromStorage()
if err != nil {
return false, err
}
if isRevert {
return blockNonce == nonceFromStorage, nil
}
return blockNonce > nonceFromStorage, nil
}
func (np *nonceProcessor) getLatestProcessedBlockNonceFromStorage() (uint64, error) {
processedBlockBytes, err := np.storer.Get([]byte(processedBlockKey))
if err != nil && err == storage.ErrKeyNotFound {
log.Debug("logsProcessor.getLatestProcessedBlockNonceFromStorage nothing in storage")
return 0, nil
}
if err != nil {
return 0, err
}
processedBlock := &ProcessedBlockNonce{}
err = np.marshalizer.Unmarshal(processedBlock, processedBlockBytes)
if err != nil {
return 0, err
}
return processedBlock.Nonce, nil
}
func (np *nonceProcessor) saveNonceInStorage(nonce uint64) error {
processedBlock := &ProcessedBlockNonce{
Nonce: nonce,
}
processedBlockBytes, err := np.marshalizer.Marshal(processedBlock)
if err != nil {
return err
}
return np.storer.Put([]byte(processedBlockKey), processedBlockBytes)
}