From 242513c5a23a26f68c2c5fd56cc4029fbc83454d Mon Sep 17 00:00:00 2001
From: msutton <mikisiton2@gmail.com>
Date: Tue, 6 Sep 2022 14:42:40 +0300
Subject: [PATCH] Transaction hashing outputs to be used as reference for rust
 imp

---
 .../consensushashing/transaction_hash_test.go | 102 ++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 domain/consensus/utils/consensushashing/transaction_hash_test.go

diff --git a/domain/consensus/utils/consensushashing/transaction_hash_test.go b/domain/consensus/utils/consensushashing/transaction_hash_test.go
new file mode 100644
index 000000000..5df3fced0
--- /dev/null
+++ b/domain/consensus/utils/consensushashing/transaction_hash_test.go
@@ -0,0 +1,102 @@
+package consensushashing
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
+	"github.com/kaspanet/kaspad/domain/consensus/utils/subnetworks"
+)
+
+func TestTransactionHash(t *testing.T) {
+	tx := externalapi.DomainTransaction{0, []*externalapi.DomainTransactionInput{}, []*externalapi.DomainTransactionOutput{}, 0,
+		externalapi.DomainSubnetworkID{}, 0, []byte{}, 0, 0,
+		nil}
+	id := TransactionID(&tx)
+	fmt.Printf("%s\n", id)
+	tx_hash := TransactionHash(&tx)
+	fmt.Printf("%s\n\n", tx_hash)
+
+	inputs := []*externalapi.DomainTransactionInput{&externalapi.DomainTransactionInput{
+		PreviousOutpoint: externalapi.DomainOutpoint{
+			TransactionID: externalapi.DomainTransactionID{},
+			Index:         2,
+		},
+		SignatureScript: []byte{1, 2},
+		Sequence:        7,
+		SigOpCount:      5,
+		UTXOEntry:       nil,
+	}}
+
+	tx = externalapi.DomainTransaction{1, inputs, []*externalapi.DomainTransactionOutput{}, 0,
+		externalapi.DomainSubnetworkID{}, 0, []byte{}, 0, 0,
+		nil}
+	id = TransactionID(&tx)
+	fmt.Printf("%s\n", id)
+	tx_hash = TransactionHash(&tx)
+	fmt.Printf("%s\n\n", tx_hash)
+
+	outputs := []*externalapi.DomainTransactionOutput{&externalapi.DomainTransactionOutput{
+		Value:           1564,
+		ScriptPublicKey: &externalapi.ScriptPublicKey{
+			Script:  []byte{1, 2, 3, 4, 5},
+			Version: 7,
+		},
+	}}
+
+	tx = externalapi.DomainTransaction{1, inputs, outputs, 0,
+		externalapi.DomainSubnetworkID{}, 0, []byte{}, 0, 0,
+		nil}
+	id = TransactionID(&tx)
+	fmt.Printf("%s\n", id)
+	tx_hash = TransactionHash(&tx)
+	fmt.Printf("%s\n\n", tx_hash)
+
+	tx = externalapi.DomainTransaction{2, inputs, outputs, 54,
+		externalapi.DomainSubnetworkID{}, 3, []byte{}, 4, 7,
+		nil}
+	id = TransactionID(&tx)
+	fmt.Printf("%s\n", id)
+	tx_hash = TransactionHash(&tx)
+	fmt.Printf("%s\n\n", tx_hash)
+
+	transactionId, err := externalapi.NewDomainHashFromString("59b3d6dc6cdc660c389c3fdb5704c48c598d279cdf1bab54182db586a4c95dd5")
+	if err != nil {
+		t.Fatalf("%s", err)
+	}
+
+	inputs = []*externalapi.DomainTransactionInput{&externalapi.DomainTransactionInput{
+		PreviousOutpoint: externalapi.DomainOutpoint{
+			TransactionID: externalapi.DomainTransactionID(*transactionId),
+			Index:         2,
+		},
+		SignatureScript: []byte{1, 2},
+		Sequence:        7,
+		SigOpCount:      5,
+		UTXOEntry:       nil,
+	}}
+
+	tx = externalapi.DomainTransaction{2, inputs, outputs, 54,
+		externalapi.DomainSubnetworkID{}, 3, []byte{}, 4, 7,
+		nil}
+	id = TransactionID(&tx)
+	fmt.Printf("%s\n", id)
+	tx_hash = TransactionHash(&tx)
+	fmt.Printf("%s\n\n", tx_hash)
+
+	tx = externalapi.DomainTransaction{2, inputs, outputs, 54,
+		subnetworks.SubnetworkIDCoinbase, 3, []byte{}, 4, 7,
+		nil}
+	id = TransactionID(&tx)
+	fmt.Printf("%s\n", id)
+	tx_hash = TransactionHash(&tx)
+	fmt.Printf("%s\n\n", tx_hash)
+
+	tx = externalapi.DomainTransaction{2, inputs, outputs, 54,
+		subnetworks.SubnetworkIDRegistry, 3, []byte{}, 4, 7,
+		nil}
+	id = TransactionID(&tx)
+	fmt.Printf("%s\n", id)
+	tx_hash = TransactionHash(&tx)
+	fmt.Printf("%s\n\n", tx_hash)
+}