diff --git a/jsonrpc/helper_test.go b/jsonrpc/helper_test.go
index 76ac4aae39..6b0b93717f 100644
--- a/jsonrpc/helper_test.go
+++ b/jsonrpc/helper_test.go
@@ -12,16 +12,29 @@ import (
 )
 
 func createTestTransaction(hash types.Hash) *types.Transaction {
+	recipient := types.StringToAddress("2")
+
 	return &types.Transaction{
-		Hash: hash,
+		Hash:     hash,
+		From:     types.StringToAddress("1"),
+		To:       &recipient,
+		GasPrice: big.NewInt(400),
+		Value:    big.NewInt(100),
+		V:        big.NewInt(1),
+		R:        big.NewInt(2),
+		S:        big.NewInt(3),
 	}
 }
 
-func createTestHeader(height uint64) *types.Header {
+func createTestHeader(height uint64, setterFn func(h *types.Header)) *types.Header {
 	h := &types.Header{
 		Number: height,
 	}
 
+	if setterFn != nil {
+		setterFn(h)
+	}
+
 	h.ComputeHash()
 
 	return h
@@ -68,13 +81,13 @@ var (
 	testTxHash1 = types.BytesToHash([]byte{1})
 	testTx1     = createTestTransaction(testTxHash1)
 
-	testGenesisHeader = createTestHeader(0)
+	testGenesisHeader = createTestHeader(0, nil)
 	testGenesisBlock  = wrapHeaderWithTestBlock(testGenesisHeader)
 
-	testLatestHeader = createTestHeader(100)
+	testLatestHeader = createTestHeader(100, nil)
 	testLatestBlock  = wrapHeaderWithTestBlock(testLatestHeader)
 
-	testHeader10 = createTestHeader(10)
+	testHeader10 = createTestHeader(10, nil)
 	testBlock10  = wrapHeaderWithTestBlock(testHeader10)
 
 	testHash11 = types.BytesToHash([]byte{11})
diff --git a/jsonrpc/testsuite/block-with-txn-full.json b/jsonrpc/testsuite/block-with-txn-full.json
new file mode 100644
index 0000000000..6f2a00489b
--- /dev/null
+++ b/jsonrpc/testsuite/block-with-txn-full.json
@@ -0,0 +1,58 @@
+{
+    "parentHash": "0x00000000000000000000000000000000000000000000506172656e7448617368",
+    "sha3Uncles": "0x0000000000000000000000000000000000000000000000000000000000000000",
+    "miner": "0x",
+    "stateRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",
+    "transactionsRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",
+    "receiptsRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",
+    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+    "difficulty": "0x0",
+    "totalDifficulty": "0x0",
+    "size": "0x224",
+    "number": "0x14",
+    "gasLimit": "0x0",
+    "gasUsed": "0x0",
+    "timestamp": "0x0",
+    "extraData": "0x",
+    "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+    "nonce": "0x0000000000000000",
+    "hash": "0x7935c790bdff1ec20912f28c9f7722eed41837c478a1f9ce0dc49f5d4a2d7c88",
+    "transactions": [
+        {
+            "nonce": "0x0",
+            "gasPrice": "0x190",
+            "gas": "0x0",
+            "to": "0x0000000000000000000000000000000000000002",
+            "value": "0x64",
+            "input": "0x",
+            "v": "0x1",
+            "r": "0x2",
+            "s": "0x3",
+            "hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "from": "0x0000000000000000000000000000000000000001",
+            "blockHash": "0x7935c790bdff1ec20912f28c9f7722eed41837c478a1f9ce0dc49f5d4a2d7c88",
+            "blockNumber": "0x14",
+            "transactionIndex": "0x0",
+            "type": "0x0"
+        },
+        {
+            "nonce": "0x0",
+            "gasPrice": "0x190",
+            "gas": "0x0",
+            "to": "0x0000000000000000000000000000000000000002",
+            "value": "0x64",
+            "input": "0x",
+            "v": "0x1",
+            "r": "0x2",
+            "s": "0x3",
+            "hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "from": "0x0000000000000000000000000000000000000001",
+            "blockHash": "0x7935c790bdff1ec20912f28c9f7722eed41837c478a1f9ce0dc49f5d4a2d7c88",
+            "blockNumber": "0x14",
+            "transactionIndex": "0x1",
+            "type": "0x0"
+        }
+    ],
+    "uncles": [],
+    "baseFeePerGas": "0xc8"
+}
\ No newline at end of file
diff --git a/jsonrpc/testsuite/receipt-contract-deployment.json b/jsonrpc/testsuite/receipt-contract-deployment.json
index 23369c7d82..3c4231e9e7 100644
--- a/jsonrpc/testsuite/receipt-contract-deployment.json
+++ b/jsonrpc/testsuite/receipt-contract-deployment.json
@@ -10,6 +10,6 @@
     "blockNumber": "0x14",
     "gasUsed": "0x6590",
     "contractAddress": "0x0000000000000000000000000000000000000003",
-    "from": "0x0000000000000000000000000000000000000000",
+    "from": "0x0000000000000000000000000000000000000001",
     "to": null
 }
diff --git a/jsonrpc/types_test.go b/jsonrpc/types_test.go
index b1f9d0f862..77bbcf6b64 100644
--- a/jsonrpc/types_test.go
+++ b/jsonrpc/types_test.go
@@ -202,9 +202,8 @@ func TestBlock_Encoding(t *testing.T) {
 		res, err := json.Marshal(b)
 		require.NoError(t, err)
 
-		data, err := testsuite.ReadFile(name)
-		require.NoError(t, err)
-		require.JSONEq(t, string(data), string(res))
+		expectedData := loadTestData(t, name)
+		require.JSONEq(t, expectedData, string(res))
 	}
 
 	t.Run("empty block", func(t *testing.T) {
@@ -263,9 +262,8 @@ func TestTransaction_Encoding(t *testing.T) {
 		res, err := json.Marshal(tt)
 		require.NoError(t, err)
 
-		data, err := testsuite.ReadFile(name)
-		require.NoError(t, err)
-		require.JSONEq(t, string(data), string(res))
+		expectedData := loadTestData(t, name)
+		require.JSONEq(t, expectedData, string(res))
 	}
 
 	t.Run("sealed", func(t *testing.T) {
@@ -306,9 +304,8 @@ func Test_toReceipt(t *testing.T) {
 		res, err := json.Marshal(r)
 		require.NoError(t, err)
 
-		data, err := testsuite.ReadFile(name)
-		require.NoError(t, err)
-		require.JSONEq(t, string(data), string(res))
+		expectedData := loadTestData(t, name)
+		require.JSONEq(t, expectedData, string(res))
 	}
 
 	t.Run("no logs", func(t *testing.T) {
@@ -317,16 +314,17 @@ func Test_toReceipt(t *testing.T) {
 		tx.From = types.StringToAddress("1")
 		tx.To = &recipient
 
-		header := createTestHeader(15)
+		header := createTestHeader(15, nil)
 		rec := createTestReceipt(nil, cumulativeGasUsed, gasUsed, tx.Hash)
 		testReceipt("testsuite/receipt-no-logs.json", toReceipt(rec, tx, 0, header, nil))
 	})
 
 	t.Run("with contract address", func(t *testing.T) {
 		tx := createTestTransaction(types.StringToHash("tx1"))
+		tx.To = nil
 
 		contractAddr := types.StringToAddress("3")
-		header := createTestHeader(20)
+		header := createTestHeader(20, nil)
 		rec := createTestReceipt(nil, cumulativeGasUsed, gasUsed, tx.Hash)
 		rec.ContractAddress = &contractAddr
 		testReceipt("testsuite/receipt-contract-deployment.json", toReceipt(rec, tx, 0, header, nil))
@@ -338,7 +336,7 @@ func Test_toReceipt(t *testing.T) {
 		tx.From = types.StringToAddress("1")
 		tx.To = &recipient
 
-		header := createTestHeader(30)
+		header := createTestHeader(30, nil)
 		logs := createTestLogs(2, recipient)
 		originReceipt := createTestReceipt(logs, cumulativeGasUsed, gasUsed, tx.Hash)
 		txIdx := uint64(1)
@@ -346,3 +344,36 @@ func Test_toReceipt(t *testing.T) {
 		testReceipt("testsuite/receipt-with-logs.json", receipt)
 	})
 }
+
+func Test_toBlock(t *testing.T) {
+	h := createTestHeader(20, func(h *types.Header) {
+		h.BaseFee = 200
+		h.ParentHash = types.BytesToHash([]byte("ParentHash"))
+	})
+
+	block := &types.Block{
+		Header: h,
+		Transactions: []*types.Transaction{
+			createTestTransaction(types.StringToHash("tx1")),
+			createTestTransaction(types.StringToHash("tx2")),
+		},
+	}
+
+	b := toBlock(block, true)
+	require.NotNil(t, b)
+
+	res, err := json.Marshal(b)
+	require.NoError(t, err)
+
+	expectedJSON := loadTestData(t, "testsuite/block-with-txn-full.json")
+	require.JSONEq(t, expectedJSON, string(res))
+}
+
+func loadTestData(t *testing.T, name string) string {
+	t.Helper()
+
+	data, err := testsuite.ReadFile(name)
+	require.NoError(t, err)
+
+	return string(data)
+}