package blocks

import (
    . "github.com/tendermint/tendermint/binary"
    "io"
)

/*

Signature message wire format:

    |A...|SSS...|

    A  account number, varint encoded (1+ bytes)
    S  signature of all prior bytes (32 bytes)

It usually follows the message to be signed.

*/

type Signature struct {
    Signer          AccountId
    SigBytes        ByteSlice
}

func ReadSignature(r io.Reader) Signature {
    return Signature{
        Signer:     ReadAccountId(r),
        SigBytes:   ReadByteSlice(r),
    }
}

func (self Signature) WriteTo(w io.Writer) (n int64, err error) {
    n, err = WriteOnto(self.Signer,     w, n, err)
    n, err = WriteOnto(self.SigBytes,   w, n, err)
    return
}

func (self *Signature) Verify(msg ByteSlice) bool {
    return false
}