Create deploy_dao.py

Author: KOSASIH

scripts/deploy_dao.py

@@ -0,0 +1,135 @@
+import json
+from web3 import Web3
+from solcx import compile_source
+import os
+
+# Sample Solidity code for the DAO contract
+DAO_CONTRACT_SOURCE = '''
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+contract DAO {
+    struct Proposal {
+        string description;
+        uint256 voteCount;
+        mapping(address => bool) voters;
+        bool executed;
+    }
+
+    address public admin;
+    Proposal[] public proposals;
+    uint256 public proposalCount;
+    uint256 public votingPeriod;
+    uint256 public quorum;
+
+    event ProposalCreated(uint256 proposalId, string description);
+    event Voted(uint256 proposalId, address voter);
+    event ProposalExecuted(uint256 proposalId);
+
+    modifier onlyAdmin() {
+        require(msg.sender == admin, "Only admin can call this function");
+        _;
+    }
+
+    modifier proposalExists(uint256 _proposalId) {
+        require(_proposalId < proposalCount, "Proposal does not exist");
+        _;
+    }
+
+    modifier notVoted(uint256 _proposalId) {
+        require(!proposals[_proposalId].voters[msg.sender], "You have already voted");
+        _;
+    }
+
+    modifier notExecuted(uint256 _proposalId) {
+        require(!proposals[_proposalId].executed, "Proposal already executed");
+        _;
+    }
+
+    constructor(uint256 _votingPeriod, uint256 _quorum) {
+        admin = msg.sender;
+        votingPeriod = _votingPeriod;
+        quorum = _quorum;
+    }
+
+    function createProposal(string memory _description) public onlyAdmin {
+        Proposal storage newProposal = proposals.push();
+        newProposal.description = _description;
+        newProposal.voteCount = 0;
+        newProposal.executed = false;
+        proposalCount++;
+
+        emit ProposalCreated(proposalCount - 1, _description);
+    }
+
+    function vote(uint256 _proposalId) public 
+        proposalExists(_proposalId) 
+        notVoted(_proposalId) 
+        notExecuted(_proposalId) 
+    {
+        Proposal storage proposal = proposals[_proposalId];
+        proposal.voters[msg.sender] = true;
+        proposal.voteCount++;
+
+        emit Voted(_proposalId, msg.sender);
+    }
+
+    function executeProposal(uint256 _proposalId) public 
+        proposalExists(_proposalId) 
+        notExecuted(_proposalId) 
+    {
+        Proposal storage proposal = proposals[_proposalId];
+        require(proposal.voteCount >= quorum, "Not enough votes to execute proposal");
+
+        proposal.executed = true;
+
+        emit ProposalExecuted(_proposalId);
+    }
+
+    function getProposal(uint256 _proposalId) public view 
+        proposalExists(_proposalId) 
+        returns (string memory, uint256, bool) 
+    {
+        Proposal storage proposal = proposals[_proposalId];
+        return (proposal.description, proposal.voteCount, proposal.executed);
+    }
+
+    function getProposalCount() public view returns (uint256) {
+        return proposalCount;
+    }
+}
+'''
+
+def main():
+    # Connect to the Ethereum network (e.g., Ganache)
+    w3 = Web3(Web3.HTTPProvider('http://127.0.0.1:7545'))  # Change to your provider
+    assert w3.isConnected(), "Failed to connect to the Ethereum network"
+
+    # Compile the contract
+    compiled_sol = compile_source(DAO_CONTRACT_SOURCE)
+    contract_interface = compiled_sol['<stdin>:DAO']
+
+    # Set up the account to deploy the contract
+    account = w3.eth.accounts[0]  # Use the first account from Ganache
+    w3.eth.defaultAccount = account
+
+    # Deploy the contract
+    voting_period = 7 * 24 * 60 * 60  # 7 days in seconds
+    quorum = 2  # Minimum votes required for execution
+    dao_contract = w3.eth.contract(abi=contract_interface['abi'], bytecode=contract_interface['bin'])
+    
+    # Create the transaction
+    tx_hash = dao_contract.constructor(voting_period, quorum).transact()
+    tx_receipt = w3.eth.waitForTransactionReceipt(tx_hash)
+
+    print(f"DAO contract deployed at address: {tx_receipt.contractAddress}")
+
+    # Optionally save the contract address and ABI for future interactions
+    with open('dao_contract_info.json', 'w') as f:
+        json.dump({
+            'address': tx_receipt.contractAddress,
+            'abi': contract_interface['abi']
+        }, f)
+
+if __name__ == '__main__':
+    main()