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March 29, 2023 17:08
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| // SPDX-License-Identifier: MIT | |
| // compiler version must be greater than or equal to 0.8.17 and less than 0.9.0 | |
| pragma solidity ^0.8.17; | |
| contract MoneyFund { | |
| struct Participant { | |
| string fullName; | |
| int piority; | |
| uint joinedDate; | |
| address walletAddress; | |
| } | |
| struct VoteData { | |
| string reason; | |
| Voter[] voters; | |
| bool isDone; | |
| } | |
| struct Voter { | |
| address voterAddress; | |
| bool isVoted; | |
| } | |
| struct StakingData { | |
| Participant user; | |
| uint amount; | |
| uint date; | |
| } | |
| mapping(address => Participant) participantMap; | |
| address[] participantKeys; | |
| mapping(address => StakingData[]) stakingDataMapPerUser; | |
| StakingData[] stackingDatas; | |
| uint256 totalStacking; | |
| mapping(string => VoteData) votes; //key: tên của cái cần vote (withdraw_1000usdt_ios_dev) value: result của vote (60%) | |
| function joinGroup(string memory name, int piority, address walletAddress) public { | |
| require(isJoined(msg.sender), "User already exist."); | |
| Participant storage joiner = participantMap[msg.sender]; | |
| joiner.fullName = name; | |
| joiner.piority = piority; | |
| joiner.joinedDate = block.timestamp; | |
| joiner.walletAddress = msg.sender; | |
| participantKeys.push(msg.sender); | |
| } | |
| function outGroup() public { | |
| require(!isJoined(msg.sender), "User is not join in the group."); | |
| // Remove participant in mapping | |
| delete participantMap[msg.sender]; | |
| deleteInParticipantKeys(msg.sender); | |
| } | |
| function listParticipants() public view returns(Participant[] memory) { | |
| uint totalParticipant = participantKeys.length; | |
| Participant[] memory participants = new Participant[](totalParticipant); | |
| for(uint i = 0; i < totalParticipant; i ++) { | |
| participants[i] = participantMap[participantKeys[i]]; | |
| } | |
| return participants; | |
| } | |
| function stack(uint amount) public { | |
| require(!isJoined(msg.sender), "User is not join in the group."); | |
| // Get user by address | |
| Participant memory user = participantMap[msg.sender]; | |
| // add data map for user | |
| StakingData[] storage stackingDataPerUser = stakingDataMapPerUser[msg.sender]; | |
| stackingDataPerUser.push( | |
| StakingData({ | |
| user: user, | |
| amount: amount, | |
| date: block.timestamp | |
| }) | |
| ); | |
| // add data map for | |
| stackingDatas.push( | |
| StakingData({ | |
| user: user, | |
| amount: amount, | |
| date: block.timestamp | |
| }) | |
| ); | |
| // increase amount | |
| totalStacking += amount; | |
| } | |
| function withdraw(uint amount, address walletAddress) public { | |
| // | |
| } | |
| function vote(string memory _voteKey) public { | |
| Participant memory voter = participantMap[msg.sender]; | |
| // require(voter, ) // tồn tại, đã vote chưa | |
| VoteData storage voteData = votes[_voteKey]; | |
| // require not null | |
| voteData.voters.push( | |
| Voter({ | |
| voterAddress: msg.sender, | |
| isVoted: true | |
| }) | |
| ); | |
| // internal check vote | |
| bool isVoteDone = _checkVotes(); | |
| if (isVoteDone) { | |
| // tinh phan tram ti dong thuan la bn? | |
| voteData.isDone = true; | |
| } | |
| } | |
| function _checkVotes() internal returns(bool) { | |
| } | |
| function createVote(string memory _voteKey, string memory _reason) public { | |
| VoteData storage voteData = votes[_voteKey]; | |
| voteData.reason = _reason; | |
| voteData.isDone = false; | |
| emit CreatedVote(); // khi tạo xong sẽ push event(scaner sẽ bắt được event => bắn notice về user) | |
| } | |
| function getTotal() public returns(uint256) { | |
| require(!isJoined(msg.sender), "You are not in the group."); | |
| return totalStacking; | |
| } | |
| /* Event function */ | |
| event CreatedVote(); | |
| // khi call withdraw, tất cả part phải vote | |
| // 1. Team rút 1000 usdt ra thuê 1 IOS dev | |
| // 2. team vote xem có rút không? | |
| // 3. Khi người cuối cùng vote xong, smart contract tự động check result (vote * piority) > 50% ==> rút tiền | |
| // Create vote function: id | |
| /*Private function*/ | |
| function isJoined(address walletAddress) internal returns(bool) { | |
| Participant memory existParticipant = participantMap[walletAddress]; | |
| if(bytes(existParticipant.fullName).length == bytes("").length | |
| && existParticipant.piority == 0 | |
| && existParticipant.joinedDate == 0 | |
| ) { | |
| return true; | |
| } else { | |
| return false; | |
| } | |
| } | |
| function deleteInParticipantKeys(address walletAddress) internal { | |
| uint totalParticipant = participantKeys.length; | |
| if(totalParticipant == 0) { | |
| return; | |
| } | |
| if(totalParticipant == 1 && participantKeys[0] == walletAddress) { | |
| participantKeys.pop(); | |
| return; | |
| } | |
| uint removerIndex; | |
| for(uint i = 0; i < totalParticipant; i ++) { | |
| if(participantKeys[i] == msg.sender) { | |
| removerIndex = i; | |
| } | |
| } | |
| if (removerIndex == 0 && participantKeys[0] == walletAddress) { | |
| participantKeys[0] = participantKeys[totalParticipant - 1]; | |
| } else if(removerIndex < totalParticipant) { | |
| participantKeys[removerIndex] = participantKeys[totalParticipant - 1]; | |
| } | |
| participantKeys.pop(); | |
| } | |
| } |
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