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util: add 'constructors' for BinReader/BinWriter

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And an additional BufBinWriter to ease buffer management.
This commit is contained in:
Roman Khimov 2019-09-15 14:58:19 +03:00
parent 0838948540
commit aacf58c9ab
31 changed files with 138 additions and 95 deletions
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8
pkg/core/block.go
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@ -78,7 +78,7 @@ func NewBlockFromTrimmedBytes(b []byte) (*Block, error) {
return block, err
}
br := util.BinReader{R: r}
br := util.NewBinReaderFromIO(r)
var padding uint8
br.ReadLE(&padding)
if br.Err != nil {
@ -109,7 +109,7 @@ func (b *Block) Trim() ([]byte, error) {
if err := b.encodeHashableFields(buf); err != nil {
return nil, err
}
bw := util.BinWriter{W: buf}
bw := util.NewBinWriterFromIO(buf)
bw.WriteLE(uint8(1))
if bw.Err != nil {
return nil, bw.Err
@ -134,7 +134,7 @@ func (b *Block) DecodeBinary(r io.Reader) error {
return err
}
br := util.BinReader{R: r}
br := util.NewBinReaderFromIO(r)
lentx := br.ReadVarUint()
if br.Err != nil {
return br.Err
@ -156,7 +156,7 @@ func (b *Block) EncodeBinary(w io.Writer) error {
if err != nil {
return err
}
bw := util.BinWriter{W: w}
bw := util.NewBinWriterFromIO(w)
bw.WriteVarUint(uint64(len(b.Transactions)))
if bw.Err != nil {
return err