PowerShell 技能连载 - 区块链智能合约自动化管理

function Invoke-SmartContractOperation {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory=$true)]
        [string]$ContractABI,
        
        [ValidateSet('Deploy','Execute','Query')]
        [string]$OperationType = 'Query'
    )

    $blockchainReport = [PSCustomObject]@{
        Timestamp = Get-Date -Format 'yyyy-MM-dd HH:mm:ss'
        TransactionHash = $null
        GasUsed = 0
        ContractAddress = $null
    }

    try {
        # 初始化Web3实例
        $web3 = New-Web3 -ProviderUrl 'https://mainnet.infura.io/v3/YOUR-API-KEY'
        
        # 智能合约操作
        switch($OperationType) {
            'Deploy' {
                $txReceipt = $web3.Eth.DeployContract.SendRequestAsync($ContractABI).GetAwaiter().GetResult()
                $blockchainReport.ContractAddress = $txReceipt.ContractAddress
            }
            'Execute' {
                $contract = $web3.Eth.GetContract($ContractABI, $blockchainReport.ContractAddress)
                $function = $contract.GetFunction('executeOperation')
                $txHash = $function.SendTransactionAsync().GetAwaiter().GetResult()
                $blockchainReport.TransactionHash = $txHash
            }
            'Query' {
                $contract = $web3.Eth.GetContract($ContractABI, $blockchainReport.ContractAddress)
                $result = $contract.GetFunction('getState').CallAsync().GetAwaiter().GetResult()
                return $result
            }
        }

        # 获取Gas消耗
        $txReceipt = $web3.Eth.Transactions.GetTransactionReceipt.SendRequestAsync($blockchainReport.TransactionHash).GetAwaiter().GetResult()
        $blockchainReport.GasUsed = $txReceipt.GasUsed
    }
    catch {
        Write-Error "智能合约操作失败: $_"
    }

    # 生成区块链审计日志
    $blockchainReport | ConvertTo-Json | 
        Out-File -Path "$env:TEMP/BlockchainReport_$(Get-Date -Format yyyyMMdd).json"
    return $blockchainReport
}

核心功能：

1. 智能合约自动化部署
2. 交易执行与状态查询
3. Gas消耗实时监控
4. JSON格式审计日志

应用场景：

• DeFi协议自动化管理
• NFT数字资产发行
• DAO治理流程自动化
• 跨链桥接操作监控