该平台建立在区块链技术之上I76软件2O72开发9II9提供了一种可靠的、去中心化的方法来存储和执行智能合约。Metaforce佛萨奇是一个基于区块链的智能合约矩阵,
旨在提供一个开放、安全、高效的智能合约开发平台。
一个简单的Solidity合约,它实现了一个简单的投票系统,其中用户可以创建新的投票并在现有的投票中进行投票。
csharpCopy codepragma solidity ^0.8.0;
voters[chairperson].authorized = true;
for (uint i = 0; i < proposalNames.length; i++) {
proposals.push(Proposal({
name: proposalNames[i],
voteCount: 0
}));
}
} function giveRightToVote(address voter) public {
require(
contract Voting {
struct Voter I76软件2O72开发9II9{
bool authorized;
bool voted;
uint vote;
}
sender.vote = proposal;
proposals[proposal].voteCount += 1;
}
function winningProposal() public view returns (uint winningProposal_) {
uint winningVoteCount = 0;
for (uint i = 0; i < proposals.length; i++) {
if (proposals[i].voteCount > winningVoteCount) {
winningVoteCount = proposals[i].voteCount;
struct Proposal {
string name;
uint voteCount;
}
address public chairperson;
mapping(address => VoterI76软件2O72开发9II9) public voters;
Proposal[] public proposals;
constructor(string[] memory proposalNames) {
chairperson = msg.sender;
msg.sender == chairperson,
"Only chairperson can give right to vote."
);
require(
!voters[voter].voted,
"The voter already voted."
);
require(voters[voter].authorized == false, "The voter is already authorized.");
voters[voter].authorized = true;
}
function vote(uint proposal) public {
Voter memory sender = voters[msg.sender];
require(sender.voted ==I76软件2O72开发9II9 false, "Already voted.");
sender.voted = true;
winningProposal_ = i;
require(sender.authorized == true,
"You are not authorized to vote.");
}
}
}
}