From 6dee372d2072ce88b2f7987e2ebeff69524a4823 Mon Sep 17 00:00:00 2001
From: Minh Doan <minh@harmony.one>
Date: Fri, 22 Mar 2019 16:16:09 -0700
Subject: [PATCH] call to get balances from native calls instead of calling
 smart contract

---
 node/demo_contract.go | 95 +++++++++++++++++++++----------------------
 1 file changed, 47 insertions(+), 48 deletions(-)

diff --git a/node/demo_contract.go b/node/demo_contract.go
index 633cbadad..f8659e0c5 100644
--- a/node/demo_contract.go
+++ b/node/demo_contract.go
@@ -8,11 +8,9 @@ import (
 
 	"github.com/ethereum/go-ethereum/accounts/abi"
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/harmony-one/harmony/contracts"
-	"github.com/harmony-one/harmony/contracts/structs"
 	"github.com/harmony-one/harmony/core/types"
 	"github.com/harmony-one/harmony/internal/utils"
 	contract_constants "github.com/harmony-one/harmony/internal/utils/contract"
@@ -108,52 +106,53 @@ func (node *Node) GetResultDirectly(priKey string) (players []string, balances [
 
 // GetResult get current players and their balances.
 func (node *Node) GetResult(priKey string) (players []string, balances []*big.Int) {
-	// return node.GetResult2(priKey)
-	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
-	key, err := crypto.HexToECDSA(priKey)
-	nonce := node.GetNonceOfAddress(crypto.PubkeyToAddress(key.PublicKey))
-
-	tx := types.NewTransaction(
-		nonce,
-		demoContractAddress,
-		0,
-		nil,
-		math.MaxUint64,
-		nil,
-		bytesData,
-	)
-	signedTx, err := types.SignTx(tx, types.HomesteadSigner{}, key)
-	if err != nil {
-		utils.GetLogInstance().Error("Failed to sign contract call tx", "error", err)
-		return nil, nil
-	}
-	output, err := node.ContractCaller.CallContract(signedTx)
-	if err != nil {
-		utils.GetLogInstance().Error("Failed to call staking contract", "error", err)
-		return nil, 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, nil
-	}
-	for _, player := range ret.Players {
-		players = append(players, player.String())
-	}
-	balances = ret.Balances
-	return players, balances
+	return node.GetResultDirectly(priKey)
+	// TODO(minhdoan): get result from smart contract is current not working. Fix it later.
+	// 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
+	// key, err := crypto.HexToECDSA(priKey)
+	// nonce := node.GetNonceOfAddress(crypto.PubkeyToAddress(key.PublicKey))
+
+	// tx := types.NewTransaction(
+	// 	nonce,
+	// 	demoContractAddress,
+	// 	0,
+	// 	nil,
+	// 	math.MaxUint64,
+	// 	nil,
+	// 	bytesData,
+	// )
+	// signedTx, err := types.SignTx(tx, types.HomesteadSigner{}, key)
+	// if err != nil {
+	// 	utils.GetLogInstance().Error("Failed to sign contract call tx", "error", err)
+	// 	return nil, nil
+	// }
+	// output, err := node.ContractCaller.CallContract(signedTx)
+	// if err != nil {
+	// 	utils.GetLogInstance().Error("Failed to call staking contract", "error", err)
+	// 	return nil, 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, nil
+	// }
+	// for _, player := range ret.Players {
+	// 	players = append(players, player.String())
+	// }
+	// balances = ret.Balances
+	// return players, balances
 }
 
 // CreateTransactionForPickWinner generates transaction for enter method and add it into pending tx list.