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channeldb: remove premature buf.Grow optimization

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This optimization isn't needed as a bytes.Buffer already comes
pre-allocated with 64-bytes as a fast path.
This commit is contained in:
Olaoluwa Osuntokun 2018-05-22 17:52:45 -07:00
parent 3f2aa1c368
commit 71d7d4952f
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GPG Key ID: 964EA263DD637C21
1 changed files with 0 additions and 4 deletions
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4
channeldb/channel.go
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@ -536,7 +536,6 @@ func updateChanBucket(tx *bolt.Tx, nodeKey *btcec.PublicKey,
// level, creating the bucket (if it doesn't exist), for this channel
// itself.
var chanPointBuf bytes.Buffer
chanPointBuf.Grow(outPointSize)
if err := writeOutpoint(&chanPointBuf, outPoint); err != nil {
return nil, fmt.Errorf("unable to write outpoint: %v", err)
}
@ -582,7 +581,6 @@ func readChanBucket(tx *bolt.Tx, nodeKey *btcec.PublicKey,
// With the bucket for the node fetched, we can now go down another
// level, for this channel itself.
var chanPointBuf bytes.Buffer
chanPointBuf.Grow(outPointSize)
if err := writeOutpoint(&chanPointBuf, outPoint); err != nil {
return nil, err
}
@ -625,7 +623,6 @@ func (c *OpenChannel) fullSync(tx *bolt.Tx) error {
// level, creating the bucket (if it doesn't exist), for this channel
// itself.
var chanPointBuf bytes.Buffer
chanPointBuf.Grow(outPointSize)
if err := writeOutpoint(&chanPointBuf, &c.FundingOutpoint); err != nil {
return err
}
@ -1765,7 +1762,6 @@ func (c *OpenChannel) CloseChannel(summary *ChannelCloseSummary) error {
}
var chanPointBuf bytes.Buffer
chanPointBuf.Grow(outPointSize)
err := writeOutpoint(&chanPointBuf, &c.FundingOutpoint)
if err != nil {
return err