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106 lines
2.3 KiB

package blocks
import (
"fmt"
"io"
. "github.com/tendermint/tendermint/binary"
)
type Signable interface {
Binary
GetSignature() Signature
SetSignature(Signature)
}
//-----------------------------------------------------------------------------
type Signature struct {
SignerId uint64
Bytes []byte
}
func ReadSignature(r io.Reader, n *int64, err *error) Signature {
return Signature{
SignerId: ReadUInt64(r, n, err),
Bytes: ReadByteSlice(r, n, err),
}
}
func (sig Signature) IsZero() bool {
return len(sig.Bytes) == 0
}
func (sig Signature) WriteTo(w io.Writer) (n int64, err error) {
WriteUInt64(w, sig.SignerId, &n, &err)
WriteByteSlice(w, sig.Bytes, &n, &err)
return
}
func (sig Signature) String() string {
return fmt.Sprintf("Signature{%v:%X}", sig.SignerId, sig.Bytes)
}
//-------------------------------------
func ReadSignatures(r io.Reader, n *int64, err *error) (sigs []Signature) {
length := ReadUInt32(r, n, err)
for i := uint32(0); i < length; i++ {
sigs = append(sigs, ReadSignature(r, n, err))
}
return
}
func WriteSignatures(w io.Writer, sigs []Signature, n *int64, err *error) {
WriteUInt32(w, uint32(len(sigs)), n, err)
for _, sig := range sigs {
WriteBinary(w, sig, n, err)
if *err != nil {
return
}
}
}
//-----------------------------------------------------------------------------
type RoundSignature struct {
Round uint16
Signature
}
func ReadRoundSignature(r io.Reader, n *int64, err *error) RoundSignature {
return RoundSignature{
ReadUInt16(r, n, err),
ReadSignature(r, n, err),
}
}
func (rsig RoundSignature) WriteTo(w io.Writer) (n int64, err error) {
WriteUInt16(w, rsig.Round, &n, &err)
WriteBinary(w, rsig.Signature, &n, &err)
return
}
func (rsig RoundSignature) IsZero() bool {
return rsig.Round == 0 && rsig.SignerId == 0 && len(rsig.Bytes) == 0
}
//-------------------------------------
func ReadRoundSignatures(r io.Reader, n *int64, err *error) (rsigs []RoundSignature) {
length := ReadUInt32(r, n, err)
for i := uint32(0); i < length; i++ {
rsigs = append(rsigs, ReadRoundSignature(r, n, err))
}
return
}
func WriteRoundSignatures(w io.Writer, rsigs []RoundSignature, n *int64, err *error) {
WriteUInt32(w, uint32(len(rsigs)), n, err)
for _, rsig := range rsigs {
WriteBinary(w, rsig, n, err)
if *err != nil {
return
}
}
}