<?php

namespace App\Servers\Icon;

use IEXBase\TronAPI\Provider\HttpProvider;
use IEXBase\TronAPI\Tron;
use Illuminate\Support\Facades\Redis;


/**
 * Class EthereumRPC
 * @package common\models\ethereum
 */
class TronRPC
{
    /**
     * @var string RPC URL
     */
//    public $url = 'http://tex.tomiao.com';
    /**
     * 对应节点服务器地址
     * @var string
     */
    public $full_node_url = 'http://api.trongrid.io';
    public $solidity_node_url = 'http://api.trongrid.io';
    public $event_server_url = 'https://api.trongrid.io';
    public $chainId = '1';
    private $date = '';
    private $nodes=[
        '3.225.171.164',
        '52.53.189.99',
        '18.196.99.16',
        '34.253.187.192',
        '18.133.82.227',
        '35.180.51.163',
        '54.252.224.209',
        '52.15.93.92',
        '34.220.77.106',
        '13.124.62.58',
        '3.218.137.187',
        '34.237.210.82',
    ];

    // request id
    protected $id = 0;

    /**
     * RPC timeout
     * @var int
     */
    public $timeout = 60;

    /**
     * 单列对象
     * @var null
     */
    static private $tron_model = null;
    /**
     *
     * @var null
     */
    private $tron = null;


    static function CreationTron()
    {
        if (empty(self::$tron_model)) {
            self::$tron_model = new TronRPC();
        }
        return self::$tron_model;
    }

    /**
     * 获取节点控制对象
     * @return Tron|null
     */
    function getTron()
    {
        if(empty($this->date) || $this->date==date('Ymd')){
            $this->tron='';
        }
        if (empty($this->tron)) {
            $this->setNodeUrl();
            $fullNode = new HttpProvider($this->full_node_url);
            $solidityNode = new HttpProvider($this->solidity_node_url);
            $eventServer = new HttpProvider($this->event_server_url);
            $tron = new Tron($fullNode, $solidityNode, $eventServer);
            $this->tron = $tron;
        } else {
            $tron = $this->tron;
        }
        return $tron;
    }

    function setNodeUrl(){
        $max=count($this->nodes)-1;
        $num=rand(0,$max);
        $ip=$this->nodes[$num];
        $this->full_node_url='http://'.$ip.':8090';
        $this->solidity_node_url='http://'.$ip.':8091';
    }


    /**
     * 离线生成波场地址
     * @return array
     */
    function addTronAddress()
    {
        $tron = $this->getTron();
        $generateAddress = $tron->generateAddress(); // 离线生成地址
        return $generateAddress->getRawData();
    }


    /**
     * 获取Base58地址
     * @param $str
     * @return string
     */
    function getBase58CheckAddress($str){
        $new_str = $this->getTron()->getBase58CheckAddress($str);
        return $new_str;
    }

    /**
     * 获取交易详情
     * @param $txID
     * @return array|\string[][][]
     */
    function getTransaction($txID){
        try {
            $data = $this->getTron()->getTransaction($txID);
        }catch (\Exception $e){
            $data=['ret'=>[['contractRet'=>'']]];
        }
        return $data;
    }


    /**
     * 获取TRX数量
     * @param $address
     * @return float
     */
    function getBalance($address)
    {
        $tron = $this->getTron();
        $balance = $tron->getBalance($address, true);
        return $balance;
    }

    /**
     * 获取合约余额
     * @param $contract_address
     * @param $address
     * @param int $digits
     * @return float|int
     */
    function getTokenBalance($contract_address, $address, $digits = 6)
    {
        $tron = $this->getTron();
        $abi = $this->getContract($contract_address);
        $transaction = $tron->getTransactionBuilder()->triggerConstantContract($abi, $tron->address2HexString($contract_address), 'balanceOf', [$tron->address2HexString($address)], $tron->address2HexString($address));
        if (empty($transaction[0]) || !is_object($transaction[0]) || !method_exists($transaction[0], 'toString')) {
            return 0;
        }
        $token_balance = Utils::int2fund($transaction[0]->toString(), $digits);
        return $token_balance;
    }

    /**
     * 生成Trx交易信息
     * @param $to_address 收款地址
     * @param $money 转账金额
     * @param $from_address 转出地址
     * @return array
     */
    function createTrx($to_address, $money, $from_address)
    {
        $tron = $this->getTron();
        $transaction = $tron->getTransactionBuilder()->sendTrx($to_address, $money, $from_address);
        return $transaction;
    }

    /**
     * 生成合约转账交易信息
     * @param $to_address 收款地址
     * @param $contract_address 合约地址
     * @param $money 转账金额
     * @param $from_address 转出地址
     * @return mixed
     */
    function createContract($to_address, $contract_address, $money, $from_address)
    {
        $tron = $this->getTron();
        $abi = $this->getContract($contract_address);

        $transaction = $tron->getTransactionBuilder()->triggerSmartContract($abi, $tron->address2HexString($contract_address), 'transfer', [$tron->address2HexString($to_address), Utils::fund2int($money, 6)], 1000000, $tron->address2HexString($from_address));
        return $transaction;
    }

    /**
     * 交易离线签名
     * @param $transaction 交易信息
     * @param $private_key 秘钥
     * @return array
     */
    function signTransaction($transaction, $private_key)
    {
        $tron = $this->getTron();
        $tron->setPrivateKey($private_key);
        $signedTransaction = $tron->signTransaction($transaction);
        return $signedTransaction;
    }

    /**
     * 广播签名信息
     * @param $signedTransaction 签名信息
     * @return array
     */
    function sendRawTransaction($signedTransaction)
    {
        $tron = $this->getTron();
        $response = $tron->sendRawTransaction($signedTransaction);
        return $response;
    }


    /**
     * 获取合约基本信息
     * @param $contract_address
     * @return array
     */
    function getContract($contract_address)
    {
        $abi = Redis::get($contract_address);
        if (empty($abi)) {
            $tron = $this->getTron();
            $ret = $tron->getManager()->request('wallet/getcontract', ['value' => $tron->address2HexString($contract_address)]);
            $abi = empty($ret['abi']['entrys']) ? [] : $ret['abi']['entrys'];
            Redis::set($contract_address, json_encode($abi));
        } else {
            $abi = json_decode($abi, true);
        }
        return $abi;
    }


    function getBlockByNum()
    {
        $tron = $this->getTron();
        $block_num = $tron->getCurrentBlock();
        if(empty($block_num['block_header'])){
            return 0;
        }
        if(empty($block_num['block_header']['raw_data']['number'])){
            return 0;
        }
        return $block_num['block_header']['raw_data']['number'];
    }

    function getBlockById($block_id)
    {
        $tron = $this->getTron();
        $block_info = $tron->getBlockByNumber($block_id);
        return $block_info;
    }


    /**
     * @param array $params The params of jsonrpc
     * @return bool|mixed
     */
    public function send($url, $params = [], &$error = null)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url); //设置访问路径
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); //设置可以返回字符串
        if (!empty($params)) curl_setopt($ch, CURLOPT_POST, TRUE);//post请求
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

        if (!empty($data)) curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        $request = curl_exec($ch);
        curl_close($ch);
        if ($request === false) {
            return false;
        }
        $resp = @json_decode($request, true);
        if ($resp === false || !is_array($resp)) {
            $error = $resp;
            return false;
        }
        if (isset($resp['error'])) {
            $error = $resp['error'];
            return false;
        }
        return $resp;
    }


}