refactor: Reuse v6 starknet_getTransactionByHash handler for v7

rpc/handlers.go

@@ -308,7 +308,7 @@ func (h *Handler) MethodsV0_7() ([]jsonrpc.Method, string) { //nolint: funlen
 		{
 			Name:    "starknet_getTransactionByHash",
 			Params:  []jsonrpc.Parameter{{Name: "transaction_hash"}},
-			Handler: h.rpcv7Handler.TransactionByHash,
+			Handler: h.rpcv6Handler.TransactionByHash,
 		},
 		{
 			Name:    "starknet_getTransactionReceipt",

rpc/v6/transaction.go

@@ -11,6 +11,7 @@
 	"github.com/NethermindEth/juno/clients/gateway"
 	"github.com/NethermindEth/juno/core"
 	"github.com/NethermindEth/juno/core/felt"
+	"github.com/NethermindEth/juno/db"
 	"github.com/NethermindEth/juno/jsonrpc"
 	rpccore "github.com/NethermindEth/juno/rpc/rpccore"
 	"github.com/NethermindEth/juno/starknet"
@@ -427,8 +428,28 @@
 func (h *Handler) TransactionByHash(hash felt.Felt) (*Transaction, *jsonrpc.Error) {
 	txn, err := h.bcReader.TransactionByHash(&hash)
 	if err != nil {
-		return nil, rpccore.ErrTxnHashNotFound
+		if !errors.Is(err, db.ErrKeyNotFound) {
+			return nil, rpccore.ErrInternal.CloneWithData(err)
+		}
+
+		// check now if tx is in pending block
+		pendingB := h.syncReader.PendingBlock()
+		if pendingB == nil {
+			return nil, rpccore.ErrTxnHashNotFound
+		}
+
+		for _, t := range pendingB.Transactions {
+			if hash.Equal(t.Hash()) {
+				txn = t
+				break
+			}
+		}
+
+		if txn == nil {
+			return nil, rpccore.ErrTxnHashNotFound
+		}
 	}
+
 	return AdaptTransaction(txn), nil
 }
 
@@ -665,7 +686,7 @@
 	case *core.DeclareTransaction:
 		txn = adaptDeclareTransaction(v)
 	case *core.DeployAccountTransaction:
-		txn = adaptDeployAccountTrandaction(v)
+		txn = adaptDeployAccountTransaction(v)
 	case *core.L1HandlerTransaction:
 		nonce := v.Nonce
 		if nonce == nil {
@@ -809,7 +830,7 @@
 	return tx
 }
 
-func adaptDeployAccountTrandaction(t *core.DeployAccountTransaction) *Transaction {
+func adaptDeployAccountTransaction(t *core.DeployAccountTransaction) *Transaction {
 	tx := &Transaction{
 		Hash:                t.Hash(),
 		MaxFee:              t.MaxFee,

rpc/v6/transaction_test.go

@@ -27,14 +27,22 @@ func TestTransactionByHashNotFound(t *testing.T) {
 	mockCtrl := gomock.NewController(t)
 	t.Cleanup(mockCtrl.Finish)
 	mockReader := mocks.NewMockReader(mockCtrl)
+	mockSyncReader := mocks.NewMockSyncReader(mockCtrl)
 
 	n := utils.Ptr(utils.Mainnet)
-	txHash := new(felt.Felt).SetBytes([]byte("random hash"))
-	mockReader.EXPECT().TransactionByHash(txHash).Return(nil, errors.New("tx not found"))
+	client := feeder.NewTestClient(t, n)
+	mainnetGw := adaptfeeder.New(client)
 
-	handler := rpc.New(mockReader, nil, nil, "", n, nil)
+	block, err := mainnetGw.BlockByNumber(context.Background(), 19199)
+	require.NoError(t, err)
+
+	randomTxHash := new(felt.Felt).SetBytes([]byte("random hash"))
+	mockReader.EXPECT().TransactionByHash(randomTxHash).Return(nil, db.ErrKeyNotFound)
+	mockSyncReader.EXPECT().PendingBlock().Return(block)
+
+	handler := rpc.New(mockReader, mockSyncReader, nil, "", n, nil)
+	tx, rpcErr := handler.TransactionByHash(*randomTxHash)
 
-	tx, rpcErr := handler.TransactionByHash(*txHash)
 	assert.Nil(t, tx)
 	assert.Equal(t, rpccore.ErrTxnHashNotFound, rpcErr)
 }

rpc/v7/block_test.go

@@ -253,6 +253,11 @@ func TestBlockWithTxs(t *testing.T) {
 	n := utils.Ptr(utils.Mainnet)
 	handler := rpcv7.New(mockReader, mockSyncReader, nil, "", n, nil)
 
+	// Use v6 handler as v7 `starknet_getTransactionByHash` uses v6 handler
+	mockSyncReaderV6 := mocks.NewMockSyncReader(mockCtrl)
+	mockReaderV6 := mocks.NewMockReader(mockCtrl)
+	rpcv6Handler := rpcv6.New(mockReaderV6, mockSyncReaderV6, nil, "", n, nil)
+
 	client := feeder.NewTestClient(t, n)
 	gw := adaptfeeder.New(client)
 
@@ -267,10 +272,10 @@ func TestBlockWithTxs(t *testing.T) {
 		assert.Equal(t, len(blockWithTxHashes.TxnHashes), len(blockWithTxs.Transactions))
 
 		for i, txnHash := range blockWithTxHashes.TxnHashes {
-			txn, err := handler.TransactionByHash(*txnHash)
+			txn, err := rpcv6Handler.TransactionByHash(*txnHash)
 			require.Nil(t, err)
 
-			assert.Equal(t, txn, blockWithTxs.Transactions[i])
+			assert.Equal(t, adaptV6TxToV7(t, txn), blockWithTxs.Transactions[i])
 		}
 	}
 
@@ -279,7 +284,7 @@ func TestBlockWithTxs(t *testing.T) {
 		latestBlockTxMap[*tx.Hash()] = tx
 	}
 
-	mockReader.EXPECT().TransactionByHash(gomock.Any()).DoAndReturn(func(hash *felt.Felt) (core.Transaction, error) {
+	mockReaderV6.EXPECT().TransactionByHash(gomock.Any()).DoAndReturn(func(hash *felt.Felt) (core.Transaction, error) {
 		if tx, found := latestBlockTxMap[*hash]; found {
 			return tx, nil
 		}

rpc/v7/transaction.go

@@ -422,36 +422,6 @@ func adaptRPCTxToFeederTx(rpcTx *Transaction) *starknet.Transaction {
 		Transaction Handlers
 *****************************************************/
 
-// TransactionByHash returns the details of a transaction identified by the given hash.
-//
-// It follows the specification defined here:
-// https://github.com/starkware-libs/starknet-specs/blob/master/api/starknet_api_openrpc.json#L158
-func (h *Handler) TransactionByHash(hash felt.Felt) (*Transaction, *jsonrpc.Error) {
-	txn, err := h.bcReader.TransactionByHash(&hash)
-	if err != nil {
-		if !errors.Is(err, db.ErrKeyNotFound) {
-			return nil, rpccore.ErrInternal.CloneWithData(err)
-		}
-
-		pendingB := h.syncReader.PendingBlock()
-		if pendingB == nil {
-			return nil, rpccore.ErrTxnHashNotFound
-		}
-
-		for _, t := range pendingB.Transactions {
-			if hash.Equal(t.Hash()) {
-				txn = t
-				break
-			}
-		}
-
-		if txn == nil {
-			return nil, rpccore.ErrTxnHashNotFound
-		}
-	}
-	return AdaptTransaction(txn), nil
-}
-
 // TransactionByBlockIDAndIndex returns the details of a transaction identified by the given
 // BlockID and index.
 //