diff --git a/api/service/restclientsupport/puzzle_service.go b/api/service/restclientsupport/puzzle_service.go
index 158b0b3c7..96e9e7249 100644
--- a/api/service/restclientsupport/puzzle_service.go
+++ b/api/service/restclientsupport/puzzle_service.go
@@ -47,6 +47,7 @@ func (s *Service) Payout(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
 	address := r.FormValue("address")
 	newLevel := r.FormValue("new_level")
+	sequence := r.FormValue("sequence")
 	newLevelInt, err := strconv.Atoi(newLevel)
 
 	fmt.Println("Payout: address", address, "new_level", newLevelInt)
@@ -59,7 +60,7 @@ func (s *Service) Payout(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if err = s.CreateTransactionForPayoutMethod(common.HexToAddress(address), uint8(newLevelInt), "" /* place holder for steps*/); err != nil {
+	if err = s.CreateTransactionForPayoutMethod(common.HexToAddress(address), newLevelInt, sequence); err != nil {
 		utils.GetLogInstance().Error("Payout error", err)
 		json.NewEncoder(w).Encode(res)
 		return
diff --git a/api/service/restclientsupport/service.go b/api/service/restclientsupport/service.go
index fa7612369..f97840939 100644
--- a/api/service/restclientsupport/service.go
+++ b/api/service/restclientsupport/service.go
@@ -36,7 +36,7 @@ type Service struct {
 	CallFaucetContract               func(common.Address) common.Hash
 	GetAccountBalance                func(common.Address) (*big.Int, error)
 	CreateTransactionForPlayMethod   func(string, int64) error
-	CreateTransactionForPayoutMethod func(common.Address, uint8, string) error
+	CreateTransactionForPayoutMethod func(common.Address, int, string) error
 }
 
 // New returns new client support service.
@@ -46,7 +46,7 @@ func New(
 	CreateTransactionForPickWinner func() error,
 	CallFaucetContract func(common.Address) common.Hash, GetAccountBalance func(common.Address) (*big.Int, error),
 	CreateTransactionForPlayMethod func(string, int64) error,
-	CreateTransactionForPayoutMethod func(common.Address, uint8, string) error) *Service {
+	CreateTransactionForPayoutMethod func(common.Address, int, string) error) *Service {
 	return &Service{
 		CreateTransactionForEnterMethod:  CreateTransactionForEnterMethod,
 		GetResult:                        GetResult,
@@ -104,7 +104,7 @@ func (s *Service) Run() *http.Server {
 	s.router.Path("/play").HandlerFunc(s.Play)
 
 	// Set up router for payout.
-	s.router.Path("/payout").Queries("address", "{[0-9A-Fa-fx]*?}", "new_level", "{[0-9]*?}").HandlerFunc(s.Payout).Methods("GET")
+	s.router.Path("/payout").Queries("address", "{[0-9A-Fa-fx]*?}", "level", "{[0-9]*?}", "sequence", "{[A-Za-z]*?}").HandlerFunc(s.Payout).Methods("GET")
 	s.router.Path("/payout").HandlerFunc(s.Payout)
 	// Do serving now.
 	utils.GetLogInstance().Info("Listening on ", "port: ", Port)
diff --git a/node/puzzle_contract.go b/node/puzzle_contract.go
index 1958607e9..62cd2c610 100644
--- a/node/puzzle_contract.go
+++ b/node/puzzle_contract.go
@@ -22,7 +22,6 @@ const (
 	Payout = "payout"
 )
 
-// OneEther represents one ether.
 var OneEther = big.NewInt(params.Ether)
 
 // AddPuzzleContract adds the demo puzzle contract the genesis block.
@@ -54,7 +53,6 @@ func (node *Node) AddPuzzleContract() {
 func (node *Node) CreateTransactionForPlayMethod(priKey string, amount int64) error {
 	var err error
 	toAddress := node.PuzzleContractAddress
-
 	abi, err := abi.JSON(strings.NewReader(contracts.PuzzleABI))
 	if err != nil {
 		utils.GetLogInstance().Error("puzzle-play: Failed to generate staking contract's ABI", "error", err)
@@ -85,7 +83,7 @@ func (node *Node) CreateTransactionForPlayMethod(priKey string, amount int64) er
 		toAddress,
 		node.NodeConfig.ShardID,
 		Stake,
-		params.TxGas*10,
+		params.TxGas*100,
 		nil,
 		bytesData,
 	)
@@ -103,7 +101,7 @@ func (node *Node) CreateTransactionForPlayMethod(priKey string, amount int64) er
 }
 
 // CreateTransactionForPayoutMethod generates transaction for payout method and add it into pending tx list.
-func (node *Node) CreateTransactionForPayoutMethod(address common.Address, newLevel uint8, steps string) error {
+func (node *Node) CreateTransactionForPayoutMethod(address common.Address, level int, sequence string) error {
 	var err error
 	toAddress := node.PuzzleContractAddress
 
@@ -114,7 +112,7 @@ func (node *Node) CreateTransactionForPayoutMethod(address common.Address, newLe
 	}
 	// add params for address payable player, uint8 new_level, steps string
 	fmt.Println("Payout: address", address)
-	bytesData, err := abi.Pack(Payout, address, big.NewInt(int64(newLevel)), steps)
+	bytesData, err := abi.Pack(Payout, address, big.NewInt(int64(level)), sequence)
 	if err != nil {
 		utils.GetLogInstance().Error("Failed to generate ABI function bytes data", "error", err)
 		return err