Get an error signature.

[JacksonRGB]

My signature from zecutil and zcash-cli signature results are different.

./zcash-cli -conf=/blockchain/pkg/zcash/zcash.conf  createrawtransaction '[{"txid": "643020d7a70b7660b3b77550be9a4a8a54f8d088b5e3d5a887ade41848117829", "vout": 1}]' '{"tmF3uG6NKJXTvLFkXETx7NVxKwKWSBvPf21": "0.095"}'
0400008085202f89012978114818e4ad87a8d5e3b588d0f8548a4a9abe5075b7b360760ba7d72030640100000000ffffffff0160f59000000000001976a9143a8b2f8d711643f5bff63945ef44c2973bab10ce88ac000000002c6811000000000000000000000000

 ./zcash-cli -conf=/blockchain/pkg/zcash/zcash.conf signrawtransaction 0400008085202f89012978114818e4ad87a8d5e3b588d0f8548a4a9abe5075b7b360760ba7d72030640100000000ffffffff0160f59000000000001976a9143a8b2f8d711643f5bff63945ef44c2973bab10ce88ac000000002c6811000000000000000000000000
{
  "hex": "0400008085202f89012978114818e4ad87a8d5e3b588d0f8548a4a9abe5075b7b360760ba7d7203064010000006b483045022100f6b037872ad833c951869e63291364d2fed4e1de8dcc8157cfefebc86bfa34c202207a7fd5c72243eff854538f9aea3ed063f78ce3876048330a9f68353a3272cb07012102d46a5c8b2aa894c9efc9f7eb92efd1c150ecad55f892d5de61675d44968dcc8cffffffff0160f59000000000001976a9143a8b2f8d711643f5bff63945ef44c2973bab10ce88ac000000002c6811000000000000000000000000",
  "complete": true
}

./zcash-cli -conf=/blockchain/pkg/zcash/zcash.conf  dumpprivkey tmCaNubpa6dFm5TJraf5u8dTbG6C4HpZp9R
cRy5WaeUyHx81JHpgJY7UdWaih43Demn9P2RGEoBNF8wfKvwuUgM

package main

import (
	"bytes"
	"encoding/hex"
	"fmt"

	"github.com/btcsuite/btcd/btcec"
	"github.com/btcsuite/btcd/chaincfg"
	"github.com/btcsuite/btcd/chaincfg/chainhash"
	"github.com/btcsuite/btcd/txscript"
	"github.com/btcsuite/btcd/wire"
	"github.com/btcsuite/btcutil"
	"github.com/btcsuite/btcutil/base58"
	"github.com/iqoption/zecutil"
)

func main() {
	TestSign()
}

var netParams = &chaincfg.Params{
	Name: "test",
}

func TestSign() {

	var (
		wif *btcutil.WIF
		err error
	)

	if wif, err = btcutil.DecodeWIF("cRy5WaeUyHx81JHpgJY7UdWaih43Demn9P2RGEoBNF8wfKvwuUgM"); err != nil {
		fmt.Println("can't parse wif")
		return
	}

	var ph *chainhash.Hash
	if ph, err = chainhash.NewHashFromStr(
		"643020d7a70b7660b3b77550be9a4a8a54f8d088b5e3d5a887ade41848117829",
	); err != nil {
		fmt.Println(err)
		return
	}

	newTx := wire.NewMsgTx(4)
	txIn := wire.NewTxIn(wire.NewOutPoint(ph, 1), nil, nil)
	newTx.AddTxIn(txIn)

	type receiver struct {
		addr   string
		amount int64
	}

	receivers := []receiver{
		// {"tmF834qorixnCV18bVrkM8WN1Xasy5eXcZV", 20000},
		{"tmF3uG6NKJXTvLFkXETx7NVxKwKWSBvPf21", 9500000},
	}

	for _, receiver := range receivers {
		decoded := base58.Decode(receiver.addr)
		var addr *btcutil.AddressPubKeyHash
		if addr, err = btcutil.NewAddressPubKeyHash(decoded[2:len(decoded)-4], netParams); err != nil {
			fmt.Println(err)
			return
		}

		receiverPkScript, err := txscript.PayToAddrScript(addr)
		if err != nil {
			fmt.Println(err)
			return
		}

		txOut := wire.NewTxOut(receiver.amount, receiverPkScript)
		newTx.AddTxOut(txOut)
	}

	zecTx := &zecutil.MsgTx{
		MsgTx:        newTx,
		ExpiryHeight: 1140780,
	}

	var prevTxScript []byte
	if prevTxScript, err = hex.DecodeString("76a9141f665d94693ea7712530ee8460116cbf879858f488ac"); err != nil {
		fmt.Println(err)
		return
	}

	sigScript, err := zecutil.SignTxOutput(netParams, zecTx, 0, prevTxScript, txscript.SigHashAll,
		txscript.KeyClosure(func(a btcutil.Address) (*btcec.PrivateKey, bool, error) {
			return wif.PrivKey, wif.CompressPubKey, nil
		}),
		nil,
		nil,
		0)

	if err != nil {
		fmt.Println(err)
		return
	}
	txIn.SignatureScript = sigScript

	var buf bytes.Buffer
	if err = zecTx.ZecEncode(&buf, 0, wire.BaseEncoding); err != nil {
		fmt.Println(err)
		return
	}
	fmt.Println(hex.EncodeToString(buf.Bytes()))

	// wrong 0400008085202f89012978114818e4ad87a8d5e3b588d0f8548a4a9abe5075b7b360760ba7d7203064010000006b483045022100c235988b0d7910a23bf179ea197a3a20d14c5f711eef07f0ea4284a21304391d02204b196d4d5b1ce2f174f49d1ae532e98335ecfce618ce92e4c88c2fde20c27069012102d46a5c8b2aa894c9efc9f7eb92efd1c150ecad55f892d5de61675d44968dcc8cffffffff0160f59000000000001976a9143a8b2f8d711643f5bff63945ef44c2973bab10ce88ac000000002c6811000000000000000000000000

	// right 0400008085202f89012978114818e4ad87a8d5e3b588d0f8548a4a9abe5075b7b360760ba7d7203064010000006b483045022100f6b037872ad833c951869e63291364d2fed4e1de8dcc8157cfefebc86bfa34c202207a7fd5c72243eff854538f9aea3ed063f78ce3876048330a9f68353a3272cb07012102d46a5c8b2aa894c9efc9f7eb92efd1c150ecad55f892d5de61675d44968dcc8cffffffff0160f59000000000001976a9143a8b2f8d711643f5bff63945ef44c2973bab10ce88ac000000002c6811000000000000000000000000
}