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