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eth/fetcher: remove superfluous nilness-check (#23739)

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* eth/fetcher: fix nilness check https://github.com/ethereum/go-ethereum/issues/23738

* eth/fetcher: Use errors.Is. PR feedback from @holiman.
This commit is contained in:
Preston Van Loon 2021-10-18 15:34:20 -05:00 committed by GitHub
parent 60d3cc8b77
commit b97f57882c
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1 changed files with 18 additions and 19 deletions
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13
eth/fetcher/tx_fetcher.go
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@ -18,6 +18,7 @@ package fetcher
import (
"bytes"
"errors"
"fmt"
mrand "math/rand"
"sort"
@ -277,30 +278,28 @@ func (f *TxFetcher) Enqueue(peer string, txs []*types.Transaction, direct bool)
)
errs := f.addTxs(txs)
for i, err := range errs {
if err != nil {
// Track the transaction hash if the price is too low for us.
// Avoid re-request this transaction when we receive another
// announcement.
if err == core.ErrUnderpriced || err == core.ErrReplaceUnderpriced {
if errors.Is(err, core.ErrUnderpriced) || errors.Is(err, core.ErrReplaceUnderpriced) {
for f.underpriced.Cardinality() >= maxTxUnderpricedSetSize {
f.underpriced.Pop()
}
f.underpriced.Add(txs[i].Hash())
}
// Track a few interesting failure types
switch err {
case nil: // Noop, but need to handle to not count these
switch {
case err == nil: // Noop, but need to handle to not count these
case core.ErrAlreadyKnown:
case errors.Is(err, core.ErrAlreadyKnown):
duplicate++
case core.ErrUnderpriced, core.ErrReplaceUnderpriced:
case errors.Is(err, core.ErrUnderpriced) || errors.Is(err, core.ErrReplaceUnderpriced):
underpriced++
default:
otherreject++
}
}
added = append(added, txs[i].Hash())
}
if direct {