php usdt地址生成

首先下载扩展类

composer require paragonie/ecc:^2.5

composer require kornrunner/keccak:^1.1

php开启扩展gmp

composer require kornrunner/secp256k1

在写一个地址通用类

<?php

namespace app\common;

use kornrunner\Keccak;

use kornrunner\Serializer\HexPrivateKeySerializer;

use Mdanter\Ecc\EccFactory;

class UsdtAddress

{

public function generateTronAddress()

{

$adapter = EccFactory::getAdapter();

$generator = EccFactory::getSecgCurves()->generator256k1();

$privateKey =$ generator->createPrivateKey();

// 修正：传入 generator 而不是 adapter

$serializer = new HexPrivateKeySerializer($ generator);

$privateKeyHex =$ serializer->serialize($privateKey);

// Get public key (uncompressed)

$publicKey =$ privateKey->getPublicKey();

$x = str_pad(gmp_strval($ publicKey->getPoint()->getX(), 16), 64, '0', STR_PAD_LEFT);

$y = str_pad(gmp_strval($ publicKey->getPoint()->getY(), 16), 64, '0', STR_PAD_LEFT);

$pubkeyHex = '04' .$ x . $y;

// Keccak256 hash, take last 20 bytes

$hash = Keccak::hash(substr(hex2bin($ pubkeyHex), 1), 256);

$addressHex = '41' . substr($ hash, -40); // TRON address prefix is 41

// Base58Check encoding

$addressBin = hex2bin($ addressHex);

$checksum = substr(hash('sha256', hash('sha256',$ addressBin, true), true), 0, 4);

$base58Address =$ this->base58_encode( $addressBin .$ checksum);

return [

'private_key' => $privateKeyHex,

'address' => $base58Address,

];

}

// Base58 encode helper

function base58_encode($input)

{

$alphabet = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz';

$base_count = strlen($ alphabet);

$num = gmp_init(bin2hex($ input), 16);

$encoded = '';

while (gmp_cmp($num, 0) > 0) {

list( $num,$ rem) = gmp_div_qr( $num,$ base_count);

$encoded =$ alphabet $gmp_intval($rem)$ . $encoded;

}

// Handle leading zeros

foreach (str_split( $input) as$ byte) {

if ($byte === "\x00") {

$encoded =$ alphabet $0$ . $encoded;

} else {

break;

}

return $encoded;

}