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signVerifier.go
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signVerifier.go
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package chain
import (
"github.com/aergoio/aergo/account/key"
"github.com/aergoio/aergo/types"
"errors"
"runtime"
"github.com/aergoio/aergo/internal/enc"
)
type SignVerifier struct {
workerCnt int
workCh chan verifyWork
doneCh chan VerifyResult
}
type verifyWork struct {
idx int
tx *types.Tx
}
type VerifyResult struct {
work *verifyWork
err error
}
var (
ErrTxFormatInvalid = errors.New("tx invalid format")
DefaultVerifierCnt = runtime.NumCPU()
//logger = log.NewLogger("signverifier")
)
func NewSignVerifier(workerCnt int) *SignVerifier {
sv := &SignVerifier{
workerCnt: workerCnt,
workCh: make(chan verifyWork, workerCnt),
doneCh: make(chan VerifyResult, workerCnt),
}
for i := 0; i < workerCnt; i++ {
go sv.verifyTxLoop(i)
}
return sv
}
func (sv *SignVerifier) Stop() {
close(sv.workCh)
close(sv.doneCh)
}
func (sv *SignVerifier) verifyTxLoop(workerNo int) {
logger.Debug().Int("worker", workerNo).Msg("verify worker run")
for txWork := range sv.workCh {
//logger.Debug().Int("worker", workerNo).Int("idx", txWork.idx).Msg("get work to verify tx")
err := verifyTx(txWork.tx)
if err != nil {
logger.Error().Int("worker", workerNo).Str("hash", enc.ToString(txWork.tx.GetHash())).
Err(err).Msg("error verify tx")
}
sv.doneCh <- VerifyResult{work: &txWork, err: err}
}
logger.Debug().Int("worker", workerNo).Msg("verify worker stop")
}
func verifyTx(tx *types.Tx) error {
account := tx.GetBody().GetAccount()
if account == nil {
return ErrTxFormatInvalid
}
err := key.VerifyTx(tx)
if err != nil {
return err
}
return nil
}
func (sv *SignVerifier) VerifyTxs(txlist *types.TxList) (bool, []error) {
txs := txlist.GetTxs()
txLen := len(txs)
if txLen == 0 {
return false, nil
}
errors := make([]error, txLen, txLen)
//logger.Debug().Int("txlen", txLen).Msg("verify tx start")
go func() {
for i, tx := range txs {
//logger.Debug().Int("idx", i).Msg("push tx start")
sv.workCh <- verifyWork{idx: i, tx: tx}
}
}()
var doneCnt = 0
failed := false
LOOP:
for {
select {
case result := <-sv.doneCh:
doneCnt++
//logger.Debug().Int("donecnt", doneCnt).Msg("verify tx done")
if result.work.idx < 0 || result.work.idx >= txLen {
logger.Error().Int("idx", result.work.idx).Msg("Invalid Verify Result Index")
continue
}
errors[result.work.idx] = result.err
if result.err != nil {
logger.Error().Err(result.err).Int("txno", result.work.idx).
Msg("verifing tx failed")
failed = true
}
if doneCnt == txLen {
break LOOP
}
}
}
logger.Debug().Msg("verify tx done")
return failed, errors
}
func (bv *SignVerifier) verifyTxsInplace(txlist *types.TxList) (bool, []error) {
txs := txlist.GetTxs()
txLen := len(txs)
errors := make([]error, txLen, txLen)
failed := false
logger.Debug().Int("txlen", txLen).Msg("verify tx inplace start")
for i, tx := range txs {
errors[i] = verifyTx(tx)
failed = true
}
logger.Debug().Msg("verify tx done")
return failed, errors
}