调用Ballot合约函数时交易执行回退，求助排查及gas优化

报错信息 #

"Warning! Error encountered during contract execution [execution reverted]"

场景说明 #

部署了一个投票（Ballot）合约，运行在以太坊Goerli测试网，无代币依赖，用户仅需支付Gas费。调用合约投票函数时触发交易执行回退错误，同时担心写入区块链的操作会造成不必要的Gas浪费。

相关信息 #

合约地址 #

Goerli测试网合约地址：0xa46dc78595315b94904182013888adb439c6009f

合约代码 #

/**
 * @title 投票合约
 * @dev 实现投票流程及委托投票功能
 */
contract Ballot is IHelper, Guard, Logging {
    Confirmed[6] private _确认票数;
    Abstention private _弃权票数;
    uint[6] private _候选人列表;
    uint private _总有效票数;
    mapping(address => bool) private _选民是否已投票;

    constructor() {
        _注册候选人();

        emit LogStartElection("选举期开始，投票箱已启用！", getResult());
    }

    /** @dev 注册候选人 **/
    function _注册候选人() private {
        for (uint i = 0; i < _候选人列表.length; i++) {
            _候选人列表[i] = i;
            _确认票数[i].candidate = i;
        }
    }

    /**
     * @dev 查询当前调用者是否已投票
     * @return '_选民是否已投票'对应的值
     */
    function getElectorHasAlreadyVoted() public view returns (bool) {
        return _选民是否已投票[msg.sender];
    }

    /**
     * @dev 获取选举结果
     * @return 'ElectionResult'类型的选举结果
     */
    function getResult() public view returns (ElectionResult memory) {
        return
            ElectionResult({
                candidates: _候选人列表,
                totalConfirmedVotes: _总有效票数,
                confirmedVotes: _确认票数,
                abstentionVotes: _弃权票数
            });
    }

    /**
     * @dev 选民确认投票
     * @param candidateID 要投票的候选人ID
     */
    function confirmVote(
        uint candidateID
    ) public onlyCandidateRegistered(candidateID, _候选人列表.length) onlyElectorWhoDidNotVote(_选民是否已投票[msg.sender]) {
        _确认票数[candidateID].totalVotes++;
        _确认票数[candidateID].elector.push(msg.sender);
        _确认票数[candidateID].candidate = candidateID;

        _选民是否已投票[msg.sender] = true;

        _总有效票数++;

        emit LogElectorVote("投票已确认并计入！", getResult());
    }

    /** @dev 选民弃权 **/
    function abstainVote() public onlyElectorWhoDidNotVote(_选民是否已投票[msg.sender]) {
        _弃权票数.totalVotes++;
        _弃权票数.elector.push(msg.sender);

        _选民是否已投票[msg.sender] = true;

        emit LogElectorVote("已登记弃权！", getResult());
    }
}

DApp Ethers代码 #

const PROVIDER = ethers.providers.InfuraProvider.getWebSocketProvider({ chainId: 5, name: 'goerli' });
const PRIVATE_WALLET = new ethers.Wallet(process.env.REACT_APP_WALLET_PRIVATE_KEY || '', PROVIDER);
const CONTRACT = new ethers.Contract(
                process.env.REACT_APP_SOLIDITY_CONTRACT_ADDRESS || '',
                BallotContract.abi,
                PRIVATE_WALLET
            )

const ELECTOR_SIGNER = CONTRACT.connect(ELECTOR_WALLET);
const CONTRACT_ADDRESS = await infura.contract.resolvedAddress;
const GAS_LIMIT = await ELECTOR_SIGNER.estimateGas.confirmVote(1);
const TRANSACTION_HASH = await window.ethereum?.request({
                            method: 'eth_sendTransaction',
                            params: [
                                {
                                    from: ELECTOR_SIGNER,
                                    to: CONTRACT_ADDRESS,
                                    gas: estimateGas._hex,
                                    value: 0,
                                },
                            ],
                        })
const TRANSACTION_RECEIPT = await PROVIDER.waitForTransaction(TRANSACTION_HASH);
const RESPONSE = await ELECTOR_SIGNER.confirmVote(1);

交易报错截图 #

内容的提问来源于stack exchange，提问作者THIAGO DE BONIS