tp5 *** 作web3

composer 引入

composer require kgs/web3 'dev-master'

合约 *** 作

//查询代币余额
$coin_info = [
	'host'=>'节点',
	'abi'=>'对应合约abi',
	'address'=>'对应合约地址',
];
$web = new Web3($coin_info['host']);
$contract = Contract::at($web,$coin_info['abi'],$coin_info['address']);
$s = $contract->call('balanceOf',[$address]);

//代币转账
$web = new Web3($coin_info['host']);
$wallet = Wallet::createByPrivate($keyPrivate); //私钥
$contract = Contract::at($web,$coin_info['abi'],$coin_info['address']);
$reStr = $contract->send($wallet,'transfer',[$to,$money]);//转账地址 和 数量 注意数量单位

//查询hash状态
 $web3 = new Web3($host);
 $e = $web3->getTransactionReceipt($hash);