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package blocks
import (
. "github.com/tendermint/tendermint/common"
. "github.com/tendermint/tendermint/binary"
"io"
)
/*
Tx wire format:
|T|L...|MMM...|A...|SSS...|
T type of the tx (1 byte)
L length of M, varint encoded (1+ bytes)
M Tx bytes (L bytes)
A account number, varint encoded (1+ bytes)
S signature of all prior bytes (32 bytes)
*/
type Tx interface {
Type() Byte
Binary
}
const (
TX_TYPE_SEND = Byte(0x01)
TX_TYPE_NAME = Byte(0x02)
)
func ReadTx(r io.Reader) Tx {
switch t := ReadByte(r); t {
case TX_TYPE_SEND:
return &SendTx{
Fee: ReadUInt64(r),
To: ReadAccountId(r),
Amount: ReadUInt64(r),
Signature: ReadSignature(r),
}
case TX_TYPE_NAME:
return &NameTx{
Fee: ReadUInt64(r),
Name: ReadString(r),
PubKey: ReadByteSlice(r),
Signature: ReadSignature(r),
}
default:
Panicf("Unknown Tx type %x", t)
return nil
}
}
/* SendTx < Tx */
type SendTx struct {
Fee UInt64
To AccountId
Amount UInt64
Signature
}
func (self *SendTx) Type() Byte {
return TX_TYPE_SEND
}
func (self *SendTx) WriteTo(w io.Writer) (n int64, err error) {
n, err = WriteOnto(self.Type(), w, n, err)
n, err = WriteOnto(self.Fee, w, n, err)
n, err = WriteOnto(self.To, w, n, err)
n, err = WriteOnto(self.Amount, w, n, err)
n, err = WriteOnto(self.Signature, w, n, err)
return
}
/* NameTx < Tx */
type NameTx struct {
Fee UInt64
Name String
PubKey ByteSlice
Signature
}
func (self *NameTx) Type() Byte {
return TX_TYPE_NAME
}
func (self *NameTx) WriteTo(w io.Writer) (n int64, err error) {
n, err = WriteOnto(self.Type(), w, n, err)
n, err = WriteOnto(self.Fee, w, n, err)
n, err = WriteOnto(self.Name, w, n, err)
n, err = WriteOnto(self.PubKey, w, n, err)
n, err = WriteOnto(self.Signature, w, n, err)
return
}