<?php


namespace App\Servers;

use App\Models\Broadcast;
use App\Models\ContractDistribution;
use App\Servers\Icon\BanRPC;
use App\Servers\Icon\Utils;
use Web3p\EthereumTx\Transaction;


/**
 * 广播接口
 */
class BroadcastServer
{

    public static $type_str=[
    ];

    static private $server = null;
    /**
     * 创建对象
     * @return BroadcastServer
     */
    static function creatServer()
    {
        if (empty(self::$server)) self::$server = new BroadcastServer();
        return self::$server;
    }

    /**
     * 创建广播信息
     * @param $coin_id
     * @param $money
     * @param $from
     * @param $from_key
     * @param $to
     * @param $member_id
     * @param int $order_id
     * @param int $status_type
     * @param int $status
     * @return mixed
     */
    public static function addBroadcast($coin_id, $money, $from, $from_key, $to, $member_id, $order_id = 0, $status_type = 0, $status = 1)
    {
        //保留数量
        $transaction = [
            'depend' => 0,
            'from' => $from,
            'to' => $to,
            'nonce' => '',
            'coin_id' => $coin_id,
            'value' => '0x0',
            'data' => !empty($tx['data']) ? $tx['data'] : Utils::fixHex(bin2hex('NYT')),
            'chain_id' => 0,
            'gas_price' => '',
            'gas_limit' => '',
            'to_address' => $to,
            'sign' => '',
            'success' => '',
            'hash' => $status == 5 ? '系统内部转账,直接成功,无需链上广播' : '',
            'from_key' => $from_key,
            'money' =>round($money,6),
            'status' => $status,
            'type' => $status_type,
            'm_id' => $member_id,
            'order_id' => $order_id,
        ];

        $transaction = Broadcast::create($transaction);
        return $transaction->{'id'};
    }


    /**
     * 广播查询
     */
    public  function getBroadcast()
    {
        $list = Broadcast::where('status', '2')->select(['id', 'm_id', 'from', 'to', 'value', 'coin_id', 'type', 'sign', 'money', 'from_key', 'coin_id', 'hash', 'order_id'])->limit(100)->get();
        $ret_type=false;
        if (empty($list)) return $ret_type;
        $bnbServer=BanRPC::creatServer();
        foreach ($list as $value) {
            $receipt = $bnbServer->getTransactionReceipt($value['hash']);//交易查询
            if (empty($receipt)) {
                //交易正在广播中，下次继续查询
                continue;
            } else {
                //交易已完成 返回数据格式数据 ,将数据json保存
                $distribution=ContractDistribution::where('id',$value->{'order_id'})->where('type',$value->{'type'})->first();
                if ($receipt['status'] != '0x1') {
                    $update_info['error'] = '广播提交失败';
                    $update_info['status'] = 3;
                    $distribution->update(['status' => 2]);
                } else {
                    $update_info['status'] = 4;
                    $update_info['end_time'] = time();
                    $distribution->update(['status' => 3]);
                }
                $value->update($update_info);
            }
        }
        return $list->count();
    }


    /**
     * 交易广播
     */
    function sendBroadcast(){
        $list = Broadcast::where('status', '1')->where([['end_time','=',0,'or'],['end_time','<=',time()-60,'or']])->select(['id', 'm_id', 'from', 'to', 'nonce', 'value', 'data', 'gas_price', 'gas_limit', 'sign', 'money', 'from_key', 'coin_id', 'depend','type','contract_address','order_id'])->limit(100)->get();
        $bnbServer=BanRPC::creatServer();
        foreach ($list as $value){
            $bnbNum=$bnbServer->getBalance($value->{'from'});
            if(env('TEST_SERVE')){
                $value->{'money'}='0.00001';
            }
            if((empty($bnbNum) || $bnbNum<($value->{'money'}+0.0004)) && !env('TEST_SERVE')){
                $transaction['end_time'] = time();
            }else{
                //ETH广播
                $send_num = Broadcast::where('from', $value->{'from'})->where('status', '2')->count('id');
                if ($send_num > 0) {
                    sleep(1);
                    continue;
                }
                $transaction = $this->sendBnb($value);
                if (empty($transaction) || empty($transaction['hash'])) {
                    $transaction = ['status' => 3, 'error' => '广播失败'];
                } else {
                    $transaction['status'] = 2;
                }
                if ($transaction) {
                    Broadcast::where('id', $value->{'id'})->update($transaction);
                }
            }
        }
        return $list->count();
    }

    function sendBnb($value){
        $bnbServer=BanRPC::creatServer();
//        try {
            $transaction['from'] = $value['from'];
            $transaction['to'] = $value['to'];
            $transaction['chain_id'] = $bnbServer->chainId;
            $transaction['value'] = Utils::dec2hex(Utils::fund2int($value['money'] )); // 转账金额
            $transaction['data'] = '0x0';
//        $transaction['data'] = Utils::decodeSolMethod('transfer(address,uint256)', [$value['to'], Utils::fund2int($value['money'], 18)]);
            $nonce = $bnbServer->getTransactionCount($value['from']);
            $transaction['nonce'] = $nonce;
            $gas_price = $bnbServer->getGasPrice();
//            $transaction['gas_price'] = Utils::dec2hex(Utils::toWei("26gwei") + Utils::hex2dec($gas_price));//燃料十六进制。由eth_estimateGas获取
            $transaction['gas_price'] =$gas_price;//燃料十六进制。由eth_estimateGas获取
            $gas_limit =$this->getEthGasLimit($transaction);
            $transaction['gas_limit'] = $gas_limit;
            if($value->{'type'}==3)$value->{'m_id'}=0;
            $sign = $this->ethSign($transaction, PassServer::creatServer()->getSecretKey($value->{'from_key'}, $value->{'m_id'}));          //交易签名
            $transaction['sign'] = $sign;
            $error='';
            $hash = $bnbServer->sendRawTransaction($transaction['sign'], $error);//广播交易
            $transaction['hash'] = $hash;
            return $transaction;
//        } catch (\Exception $e) {
//            return false;
//        }
    }

    /**
     * @param  $transaction
     * @return string
     */
    public  function getEthGasLimit($transaction)
    {
        $bnbServer=BanRPC::creatServer();
        $tx = [
            'from' => $transaction['from'],
            'to' => $transaction['to'],
            'nonce' => $transaction['nonce'],
            'value' => $transaction['value'],
            'data' => $transaction['data'],
            'chainId' => $bnbServer->chainId,
            'gasPrice' => $transaction['gas_price'],
        ];

        $gasLimit = $bnbServer->estimateGas($tx);
        if (!$gasLimit) {
            $gasLimit = 10 * 10000; // 预估失败, 最高10万
        }
        return $gasLimit;
    }


    protected  function build($from, $to, $value, $data)
    {
        $tx = [];
        $tx['from'] = $from;
        $tx['to'] = $to;
        $tx['value'] = $value;
        $tx['data'] = $data;

        return $tx;
    }

      function ethSign($transaction, $key)
    {
        $bnbServer=BanRPC::creatServer();
        $tx = [
            'from' => $transaction['from'],
            'to' => $transaction['to'],
            'nonce' => $transaction['nonce'],
            'value' => $transaction['value'],
            'data' => $transaction['data'],
            'chainId' => $bnbServer->chainId,
            'gasPrice' => $transaction['gas_price'],
            'gasLimit' => $transaction['gas_limit'],
        ];
        // 数据签名

        $tr = new Transaction($tx);
        $tr->sign($key);
        return Utils::fixHex($tr->serialize());
    }


}