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rlp: use identical receiver names for encBuffer methods (#27430)

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This commit is contained in:
Stephen Guo 2023-06-07 18:40:06 +08:00 committed by GitHub
parent fbe432fa15
commit 99eb0b52aa
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 16 deletions
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32
rlp/encbuffer.go
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@ -56,18 +56,18 @@ func (buf *encBuffer) size() int {
} }
// makeBytes creates the encoder output. // makeBytes creates the encoder output.
func (w *encBuffer) makeBytes() []byte { func (buf *encBuffer) makeBytes() []byte {
out := make([]byte, w.size()) out := make([]byte, buf.size())
w.copyTo(out) buf.copyTo(out)
return out return out
} }
func (w *encBuffer) copyTo(dst []byte) { func (buf *encBuffer) copyTo(dst []byte) {
strpos := 0 strpos := 0
pos := 0 pos := 0
for _, head := range w.lheads { for _, head := range buf.lheads {
// write string data before header // write string data before header
n := copy(dst[pos:], w.str[strpos:head.offset]) n := copy(dst[pos:], buf.str[strpos:head.offset])
pos += n pos += n
strpos += n strpos += n
// write the header // write the header
@ -75,7 +75,7 @@ func (w *encBuffer) copyTo(dst []byte) {
pos += len(enc) pos += len(enc)
} }
// copy string data after the last list header // copy string data after the last list header
copy(dst[pos:], w.str[strpos:]) copy(dst[pos:], buf.str[strpos:])
} }
// writeTo writes the encoder output to w. // writeTo writes the encoder output to w.
@ -149,34 +149,34 @@ func (buf *encBuffer) writeString(s string) {
const wordBytes = (32 << (uint64(^big.Word(0)) >> 63)) / 8 const wordBytes = (32 << (uint64(^big.Word(0)) >> 63)) / 8
// writeBigInt writes i as an integer. // writeBigInt writes i as an integer.
func (w *encBuffer) writeBigInt(i *big.Int) { func (buf *encBuffer) writeBigInt(i *big.Int) {
bitlen := i.BitLen() bitlen := i.BitLen()
if bitlen <= 64 { if bitlen <= 64 {
w.writeUint64(i.Uint64()) buf.writeUint64(i.Uint64())
return return
} }
// Integer is larger than 64 bits, encode from i.Bits(). // Integer is larger than 64 bits, encode from i.Bits().
// The minimal byte length is bitlen rounded up to the next // The minimal byte length is bitlen rounded up to the next
// multiple of 8, divided by 8. // multiple of 8, divided by 8.
length := ((bitlen + 7) & -8) >> 3 length := ((bitlen + 7) & -8) >> 3
w.encodeStringHeader(length) buf.encodeStringHeader(length)
w.str = append(w.str, make([]byte, length)...) buf.str = append(buf.str, make([]byte, length)...)
index := length index := length
buf := w.str[len(w.str)-length:] bytesBuf := buf.str[len(buf.str)-length:]
for _, d := range i.Bits() { for _, d := range i.Bits() {
for j := 0; j < wordBytes && index > 0; j++ { for j := 0; j < wordBytes && index > 0; j++ {
index-- index--
buf[index] = byte(d) bytesBuf[index] = byte(d)
d >>= 8 d >>= 8
} }
} }
} }
// writeUint256 writes z as an integer. // writeUint256 writes z as an integer.
func (w *encBuffer) writeUint256(z *uint256.Int) { func (buf *encBuffer) writeUint256(z *uint256.Int) {
bitlen := z.BitLen() bitlen := z.BitLen()
if bitlen <= 64 { if bitlen <= 64 {
w.writeUint64(z.Uint64()) buf.writeUint64(z.Uint64())
return return
} }
nBytes := byte((bitlen + 7) / 8) nBytes := byte((bitlen + 7) / 8)
@ -186,7 +186,7 @@ func (w *encBuffer) writeUint256(z *uint256.Int) {
binary.BigEndian.PutUint64(b[17:25], z[1]) binary.BigEndian.PutUint64(b[17:25], z[1])
binary.BigEndian.PutUint64(b[25:33], z[0]) binary.BigEndian.PutUint64(b[25:33], z[0])
b[32-nBytes] = 0x80 + nBytes b[32-nBytes] = 0x80 + nBytes
w.str = append(w.str, b[32-nBytes:]...) buf.str = append(buf.str, b[32-nBytes:]...)
} }
// list adds a new list header to the header stack. It returns the index of the header. // list adds a new list header to the header stack. It returns the index of the header.