From 0c906c03e31ff8961458669da604985db039234c Mon Sep 17 00:00:00 2001
From: Minh Doan <minh@harmony.one>
Date: Sun, 2 Jun 2019 17:16:18 -0700
Subject: [PATCH] remove smart contract lottery and puzzle

---
 node/contract.go | 10 ----------
 node/node.go     |  9 ---------
 2 files changed, 19 deletions(-)

diff --git a/node/contract.go b/node/contract.go
index c056ed374..563ac5ccd 100644
--- a/node/contract.go
+++ b/node/contract.go
@@ -31,8 +31,6 @@ type builtInSC uint
 const (
 	scFaucet builtInSC = iota
 	scStaking
-	scLottery
-	scPuzzle
 )
 
 // AddStakingContractToPendingTransactions adds the deposit smart contract the genesis block.
@@ -220,14 +218,6 @@ func (node *Node) AddContractKeyAndAddress(t builtInSC) {
 		node.CurrentStakes = make(map[common.Address]*structs.StakeInfo)
 		stakingPrivKey := contract_constants.GenesisBeaconAccountPriKey
 		node.StakingContractAddress = crypto.CreateAddress(crypto.PubkeyToAddress(stakingPrivKey.PublicKey), uint64(0))
-	case scLottery:
-		// lottery
-		lotteryPriKey, _ := crypto.HexToECDSA(contract_constants.DemoAccounts[0].Private)
-		node.DemoContractAddress = crypto.CreateAddress(crypto.PubkeyToAddress(lotteryPriKey.PublicKey), uint64(0))
-	case scPuzzle:
-		// puzzle
-		puzzlePriKey, _ := crypto.HexToECDSA(contract_constants.PuzzleAccounts[0].Private)
-		node.PuzzleContractAddress = crypto.CreateAddress(crypto.PubkeyToAddress(puzzlePriKey.PublicKey), uint64(0))
 	default:
 		utils.GetLogInstance().Error("AddContractKeyAndAddress", "unknown SC", t)
 	}
diff --git a/node/node.go b/node/node.go
index a1c71878e..742e6a74d 100644
--- a/node/node.go
+++ b/node/node.go
@@ -337,15 +337,6 @@ func New(host p2p.Host, consensusObj *consensus.Consensus, chainDBFactory shardc
 				node.AddContractKeyAndAddress(scStaking)
 			}
 		}
-		if node.isFirstTime {
-			// TODO(minhdoan): Think of a better approach to deploy smart contract.
-			// This is temporary for demo purpose.
-			node.AddLotteryContract()
-			node.AddPuzzleContract()
-		} else {
-			node.AddContractKeyAndAddress(scLottery)
-			node.AddContractKeyAndAddress(scPuzzle)
-		}
 	}
 
 	node.ContractCaller = contracts.NewContractCaller(node.Blockchain(), params.TestChainConfig)