/
WaykiUCoinRegisterContractTx.go
55 lines (45 loc) · 1.33 KB
/
WaykiUCoinRegisterContractTx.go
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package commons
import (
"bytes"
"encoding/hex"
"github.com/btcsuite/btcutil"
hash2 "github.com/WaykiChain/wicc-wallet-utils-go/commons/hash"
)
type WaykiUCoinRegisterContractTx struct {
WaykiBaseSignTx
Script []byte
Description string
Fees uint64
FeeSymbol string
}
// sign transaction
func (tx WaykiUCoinRegisterContractTx) SignTx(wifKey *btcutil.WIF) string {
buf := bytes.NewBuffer([]byte{})
writer := NewWriterHelper(buf)
writer.WriteByte(byte(tx.TxType))
writer.WriteVarInt(tx.Version)
writer.WriteVarInt(tx.ValidHeight)
writer.WriteUserId(tx.UserId)
writer.WriteVarInt(int64(tx.Fees))
writer.WriteString(tx.FeeSymbol)
WriteContractScript(writer, tx.Script, tx.Description)
signedBytes := tx.doSign(wifKey)
writer.WriteBytes(signedBytes)
rawTx := hex.EncodeToString(buf.Bytes())
return rawTx
}
func (tx WaykiUCoinRegisterContractTx) doSign(wifKey *btcutil.WIF) []byte {
buf := bytes.NewBuffer([]byte{})
writer := NewWriterHelper(buf)
writer.WriteVarInt(tx.Version)
writer.WriteByte(byte(tx.TxType))
writer.WriteVarInt(tx.ValidHeight)
writer.WriteUserId(tx.UserId)
writer.WriteVarInt(int64(tx.Fees))
writer.WriteString(tx.FeeSymbol)
WriteContractScript(writer, tx.Script, tx.Description)
hash := hash2.DoubleHash256(buf.Bytes())
key := wifKey.PrivKey
ss, _ := key.Sign(hash)
return ss.Serialize()
}