add logic of calling getPlayers and enter

api/proto/message/server.go

@@ -40,13 +40,17 @@ func (s *Server) Process(ctx context.Context, message *Message) (*Response, erro
 			return nil, ErrEnterMethod
 		}
 		return &Response{}, nil
-
 	} else if lotteryRequest.GetType() == LotteryRequest_RESULT {
-		// if err := s.GetResult(); err != nil {
-		// 	return &Response{}, ErrResultMethod
-		// } else {
-		// 	return &Response{}, nil
-		// }
+		players, balances := s.GetResult()
+		ret := &Response{
+			Response: &Response_LotteryResponse{
+				LotteryResponse: &LotteryResponse{
+					Players:  players,
+					Balances: balances,
+				},
+			},
+		}
+		return ret, nil
 	}
 	return &Response{}, nil
 }

cmd/demo/main.go

@@ -2,8 +2,10 @@ package main
 
 import (
 	"encoding/json"
+	"fmt"
 	"net"
 	"net/http"
+	"strconv"
 
 	"github.com/gorilla/mux"
 	msg_pb "github.com/harmony-one/harmony/api/proto/message"
@@ -11,7 +13,7 @@ import (
 
 // Constants for main demo.
 const (
-	Port    = "313131"
+	Port    = "31313"
 	LocalIP = "127.0.0.1"
 )
 
@@ -23,13 +25,52 @@ var (
 // Enter processes /enter end point.
 func Enter(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode("")
+	key := r.FormValue("key")
+	amount, err := strconv.ParseInt(r.FormValue("amount"), 10, 0)
+	if err != nil {
+		fmt.Println(err)
+		json.NewEncoder(w).Encode("")
+		return
+	}
+
+	msg := &msg_pb.Message{
+		Request: &msg_pb.Message_LotteryRequest{
+			LotteryRequest: &msg_pb.LotteryRequest{
+				Type:       msg_pb.LotteryRequest_ENTER,
+				PrivateKey: key,
+				Amount:     amount,
+			},
+		},
+	}
+	res, err := grpcClient.Process(msg)
+	if err != nil {
+		fmt.Println(err)
+		json.NewEncoder(w).Encode("")
+		return
+	}
+	json.NewEncoder(w).Encode(res)
 }
 
 // Result processes /result end point.
 func Result(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
+
 	json.NewEncoder(w).Encode("")
+	msg := &msg_pb.Message{
+		Request: &msg_pb.Message_LotteryRequest{
+			LotteryRequest: &msg_pb.LotteryRequest{
+				Type: msg_pb.LotteryRequest_RESULT,
+			},
+		},
+	}
+
+	res, err := grpcClient.Process(msg)
+	if err != nil {
+		fmt.Println(err)
+		json.NewEncoder(w).Encode("")
+		return
+	}
+	json.NewEncoder(w).Encode(res)
 }
 
 func main() {
@@ -37,11 +78,12 @@ func main() {
 
 	router := mux.NewRouter()
 	// Set up router for server.
-	router.Path("/enter").Queries("key", "{[0-9A-Fa-fx]*?}", "ether", "[0-9]*").HandlerFunc(Enter).Methods("GET")
+	router.Path("/enter").Queries("key", "{[0-9A-Fa-fx]*?}", "amount", "[0-9]*").HandlerFunc(Enter).Methods("GET")
 	router.Path("/enter").HandlerFunc(Enter)
 
 	router.Path("/result").HandlerFunc(Result)
 
 	server := &http.Server{Addr: addr, Handler: router}
+	fmt.Println("Serving")
 	server.ListenAndServe()
 }

contracts/structs/structs.go

@@ -22,3 +22,9 @@ type StakeInfo struct {
 	LockPeriodCount *big.Int // The number of locking period the token will be locked.
 	Amount          *big.Int
 }
+
+// PlayersInfo stores the result of getPlayers.
+type PlayersInfo struct {
+	Players  []common.Address
+	Balances []*big.Int
+}

node/contract.go

@@ -118,6 +118,15 @@ func (node *Node) GetNonceOfAddress(address common.Address) uint64 {
 	return state.GetNonce(address)
 }
 
+// GetBalanceOfAddress returns balance of an address.
+func (node *Node) GetBalanceOfAddress(address common.Address) uint64 {
+	state, err := node.blockchain.State()
+	if err != nil {
+		log.Error("Failed to get chain state", "Error", err)
+	}
+	return state.GetBalance(address).Uint64()
+}
+
 // AddFaucetContractToPendingTransactions adds the faucet contract the genesis block.
 func (node *Node) AddFaucetContractToPendingTransactions() {
 	// Add a contract deployment transactionv
@@ -154,8 +163,8 @@ func (node *Node) callGetFreeTokenWithNonce(address common.Address, nonce uint64
 	if err != nil {
 		utils.GetLogInstance().Error("Failed to generate ABI function bytes data", "error", err)
 	}
-	utils.GetLogInstance().Info("Sending Free Token to ", "Address", address.Hex())
 	tx, _ := types.SignTx(types.NewTransaction(nonce, node.ContractAddresses[0], node.Consensus.ShardID, big.NewInt(0), params.TxGasContractCreation*10, nil, bytesData), types.HomesteadSigner{}, node.ContractDeployerKey)
+	utils.GetLogInstance().Info("Sending Free Token to ", "Address", address.Hex())
 
 	node.addPendingTransactions(types.Transactions{tx})
 	return tx.Hash()

node/demo_contract.go

@@ -43,6 +43,7 @@ func (node *Node) AddLotteryContract() {
 		types.HomesteadSigner{},
 		priKey)
 	node.DemoContractAddress = crypto.CreateAddress(crypto.PubkeyToAddress(priKey.PublicKey), uint64(0))
+	node.DemoContractPrivateKey = priKey
 	node.addPendingTransactions(types.Transactions{demoContract})
 }
 
@@ -64,11 +65,13 @@ func (node *Node) CreateTransactionForEnterMethod(amount int64, priKey string) e
 
 	key, err := crypto.HexToECDSA(priKey)
 	nonce := node.GetNonceOfAddress(crypto.PubkeyToAddress(key.PublicKey))
+	Amount := big.NewInt(amount)
+	Amount = Amount.Mul(Amount, big.NewInt(params.Ether))
 	tx := types.NewTransaction(
 		nonce,
 		toAddress,
 		0,
-		big.NewInt(amount),
+		Amount,
 		params.TxGas*10,
 		nil,
 		bytesData,
@@ -86,7 +89,62 @@ func (node *Node) CreateTransactionForEnterMethod(amount int64, priKey string) e
 	return err
 }
 
+// GetResult2 get current players and their balances.
+func (node *Node) GetResult2() (players []string, balances []uint64) {
+	for _, account := range contract_constants.DemoAccounts {
+		players = append(players, account.Address)
+		key, err := crypto.HexToECDSA(account.Private)
+		if err != nil {
+			utils.GetLogInstance().Error("Error when HexToECDSA")
+		}
+		address := crypto.PubkeyToAddress(key.PublicKey)
+		balances = append(balances, node.GetBalanceOfAddress(address))
+	}
+	return players, balances
+}
+
 // GetResult get current players and their balances.
 func (node *Node) GetResult() (players []string, balances []uint64) {
-	return []string{}, []uint64{}
+	return node.GetResult2()
+	// abi, err := abi.JSON(strings.NewReader(contracts.LotteryABI))
+	// if err != nil {
+	// 	utils.GetLogInstance().Error("Failed to generate staking contract's ABI", "error", err)
+	// }
+	// bytesData, err := abi.Pack("getPlayers")
+	// if err != nil {
+	// 	utils.GetLogInstance().Error("Failed to generate ABI function bytes data", "error", err)
+	// }
+
+	// demoContractAddress := node.DemoContractAddress
+	// demoContractPrivateKey := node.DemoContractPrivateKey
+
+	// tx := types.NewTransaction(
+	// 	node.GetNonceOfAddress(demoContractAddress),
+	// 	demoContractAddress,
+	// 	0,
+	// 	nil,
+	// 	math.MaxUint64,
+	// 	nil,
+	// 	bytesData,
+	// )
+	// signedTx, err := types.SignTx(tx, types.HomesteadSigner{}, demoContractPrivateKey)
+	// if err != nil {
+	// 	utils.GetLogInstance().Error("Failed to sign contract call tx", "error", err)
+	// 	return nil
+	// }
+	// output, err := node.ContractCaller.CallContract(signedTx)
+
+	// if err != nil {
+	// 	utils.GetLogInstance().Error("Failed to call staking contract", "error", err)
+	// 	return nil
+	// }
+
+	// ret := &structs.PlayersInfo{}
+	// err = abi.Unpack(ret, "getPlayers", output)
+
+	// if err != nil {
+	// 	utils.GetLogInstance().Error("Failed to unpack stake info", "error", err)
+	// 	return nil
+	// }
+	// return ret
 }

node/node.go

@@ -134,9 +134,12 @@ type Node struct {
 	//Staked Accounts and Contract
 	CurrentStakes          map[common.Address]*structs.StakeInfo //This will save the latest information about staked nodes.
 	StakingContractAddress common.Address
-	DemoContractAddress    common.Address
 	WithdrawStakeFunc      []byte
 
+	// Demo account.
+	DemoContractAddress    common.Address
+	DemoContractPrivateKey *ecdsa.PrivateKey
+
 	//Node Account
 	AccountKey *ecdsa.PrivateKey
 	Address    common.Address

node/node_genesis.go

@@ -7,6 +7,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/harmony-one/harmony/internal/utils"
+
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
@@ -95,4 +97,11 @@ func AddNodeAddressesToGenesisAlloc(genesisAlloc core.GenesisAlloc) {
 		address := common.HexToAddress(account.Address)
 		genesisAlloc[address] = core.GenesisAccount{Balance: testBankFunds}
 	}
+	for _, account := range contract.DemoAccounts {
+		testBankFunds := big.NewInt(InitFreeFundInEther)
+		testBankFunds = testBankFunds.Mul(testBankFunds, big.NewInt(params.Ether))
+		address := common.HexToAddress(account.Address)
+		genesisAlloc[address] = core.GenesisAccount{Balance: testBankFunds}
+		utils.GetLogInstance().Info("****free money****", "address", address, "balance", testBankFunds)
+	}
 }

node/node_handler.go

@@ -333,6 +333,17 @@ func (node *Node) PostConsensusProcessing(newBlock *types.Block) {
 			}
 		}
 	}
+
+	// TODO(minhdoan): clean debug later.
+	// node.Debug()
+}
+
+// Debug --
+func (node *Node) Debug() {
+	players, balances := node.GetResult()
+	for i := range players {
+		utils.GetLogInstance().Info("******RESULT****", "player", players[i], "balance", balances[i])
+	}
 }
 
 // AddNewBlock is usedd to add new block into the blockchain.