commit inicial do projeto

internal/transactions/transaction_test.go

@@ -0,0 +1,39 @@
+package transactions_test
+
+import (
+	"dejo_node/internal/transactions"
+	"testing"
+)
+
+func TestTransaction_Hash(t *testing.T) {
+	tx := transactions.Transaction{
+		From:      "0xabc",
+		To:        "0xdef",
+		Value:     100,
+		Nonce:     1,
+		Gas:       21000,
+		Signature: "0xsig",
+	}
+
+	hash := tx.Hash()
+	if hash == "" {
+		t.Fatal("hash não pode ser vazio")
+	}
+}
+
+func TestTransaction_IsZero(t *testing.T) {
+	tx := transactions.Transaction{}
+	if !tx.IsZero() {
+		t.Error("transação vazia deveria retornar true para IsZero")
+	}
+
+	tx = transactions.Transaction{
+		From:      "0xabc",
+		To:        "0xdef",
+		Value:     10,
+		Signature: "0xsig",
+	}
+	if tx.IsZero() {
+		t.Error("transação válida retornou true para IsZero")
+	}
+}