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@@ -0,0 +1,138 @@
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+<?php
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+
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+namespace App\Servers\Icon;
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+
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+
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+
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+/**
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+ * Class EthereumRPC
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+ * @package common\models\ethereum
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+ */
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+class BanRPC
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+{
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+ /**
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+ * @var string RPC URL
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+ */
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+ public $url='https://bsc-dataseed1.ninicoin.io/';
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+
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+ public $chainId='56';
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+
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+ // request id
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+ protected $id = 0;
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+
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+ /**
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+ * RPC timeout
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+ * @var int
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+ */
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+ public $timeout = 60;
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+
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+ static private $server = null;
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+ /**
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+ * 创建对象
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+ * @return BanRPC
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+ */
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+ static function creatServer()
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+ {
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+ if (empty(self::$server)) self::$server = new BanRPC();
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+ return self::$server;
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+ }
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+
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+ // 执行eth_call
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+ public function call($params)
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+ {
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+ return $this->send('eth_call', [$params, 'latest']);
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+ }
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+
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+ // 执行sendRawTransaction
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+ public function sendTransaction($data, &$error = null)
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+ {
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+ return $this->send('sendTransaction', $data, $error);
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+ }
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+
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+ // 执行sendRawTransaction
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+ public function sendRawTransaction($sign, &$error = null)
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+ {
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+ return $this->send('eth_sendRawTransaction', [$sign], $error);
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+ }
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+
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+ // 执行getTransactionReceipt
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+ public function getTransactionReceipt($hash)
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+ {
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+ return $this->send('eth_getTransactionReceipt', [$hash]);
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+ }
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+
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+ // 获取交易笔数
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+ public function getTransactionCount($address)
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+ {
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+ return $this->send('eth_getTransactionCount', [$address, 'pending']);
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+ }
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+
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+ // 获取gas单价
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+ protected $gasPrice;
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+
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+ public function getGasPrice()
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+ {
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+ if ($this->gasPrice === null) {
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+ $gasPrice = $this->send('eth_gasPrice');
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+ $range = [15, 20]; // 单位gwei
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+ $gasPrice = Utils::hex2dec($gasPrice);
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+ $gasPrice = Utils::convertUnit($gasPrice, 'wei', 'gwei');
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+ $gasPrice = max($gasPrice, $range[0]);
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+ $gasPrice = min($gasPrice, $range[1]);
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+ $gasPrice = Utils::convertUnit($gasPrice, 'gwei', 'wei');
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+
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+ $this->gasPrice = Utils::dec2hex($gasPrice);
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+ }
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+ return $this->gasPrice;
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+ }
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+
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+ // 预估tx消耗的gas
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+ public function estimateGas($tx)
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+ {
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+ $limit = $this->send('eth_estimateGas', [$tx]);
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+ if (!$limit) {
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+ $limit = 100000;
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+ }
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+ if(is_numeric($limit))$limit=Utils::dec2hex($limit);
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+ return $limit;
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+ }
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+
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+ // 获取eth余额
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+ public function getBalance($address)
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+ {
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+ return $this->send('eth_getBalance', [$address, 'latest']);
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+ }
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+
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+ /**
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+ *
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+ * @param string $method The method of jsonrpc
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+ * @param array $params The params of jsonrpc
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+ * @return bool|mixed
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+ */
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+ public function send($method, $params = [], &$error = null)
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+ {
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+ $query = [];
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+ $query['jsonrpc'] = '2.0';
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+ $query['method'] = $method;
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+ $query['params'] = $params;
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+ $query['id'] = ++$this->id;
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+
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+ $rawResp = Utils::post($this->url, json_encode($query), $this->timeout);
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+ $resp = @json_decode($rawResp, true);
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+ if ($resp === false || !is_array($resp)) {
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+ $error = $resp;
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+ return false;
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+ }
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+ if (isset($resp['error'])) {
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+ $error = $resp['error'];
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+ return false;
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+ }
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+
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+ return $resp['result'];
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+ }
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+
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+ public function __call($name, $params)
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+ {
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+ return $this->send($name, $params);
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+ }
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+}
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BF-202210271038\Administrator