root
dff472180c
Bug1: DarkSwordIngestAdapter::harvestAddresses 对加密 keystore 文本跑地址正则， 会把 xpub 子串/hex IV 误识别为地址。新增 EthAddress/TronAddress/BtcAddress isValid 校验，拒绝假地址入库。 Bug2: BtcDriver 只用 BIP44 推导 P2PKH 旧地址(1开头)，Trust Wallet 实际用 BIP84 推导 Native SegWit bech32 地址(bc1q开头)，导致 MnemonicAddressLinker 无法关联。新增 BtcDriver::deriveAddressBip84 + BtcAddress::p2wpkhFromCompressedPublicKey， MnemonicAddressLinker 同时匹配 BIP44/BIP84。 Co-authored-by: Cursor <cursoragent@cursor.com>
306 lines
9.9 KiB
PHP
306 lines
9.9 KiB
PHP
<?php
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namespace App\Services\Chain;
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use Elliptic\EC;
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use RuntimeException;
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final class BtcAddress
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{
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public static function fromPrivateKey(string $privateKeyHex): string
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{
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$privateKeyHex = strtolower(trim($privateKeyHex));
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if (str_starts_with($privateKeyHex, '0x')) {
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$privateKeyHex = substr($privateKeyHex, 2);
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}
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$ec = new EC('secp256k1');
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$compressed = $ec->keyFromPrivate($privateKeyHex)->getPublic(true, 'hex');
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return self::p2pkhFromCompressedPublicKey($compressed);
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}
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public static function p2pkhFromCompressedPublicKey(string $compressedHex): string
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{
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$compressedHex = strtolower(trim($compressedHex));
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$pub = hex2bin($compressedHex);
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if ($pub === false || (strlen($pub) !== 33)) {
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throw new RuntimeException('Expected compressed secp256k1 public key');
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}
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$hash160 = hash('ripemd160', hash('sha256', $pub, true), true);
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return TronAddress::hexToBase58Check('00'.bin2hex($hash160));
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}
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/**
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* Produce a Native SegWit (P2WPKH, bech32) address from a compressed
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* secp256k1 public key. Used for BIP84 derivation paths.
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*/
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public static function p2wpkhFromCompressedPublicKey(string $compressedHex): string
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{
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$compressedHex = strtolower(trim($compressedHex));
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$pub = hex2bin($compressedHex);
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if ($pub === false || strlen($pub) !== 33) {
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throw new RuntimeException('Expected compressed secp256k1 public key');
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}
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$hash160 = hash('ripemd160', hash('sha256', $pub, true), true);
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return self::bech32Encode('bc', 0, bin2hex($hash160));
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}
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public static function isValid(string $address): bool
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{
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$address = trim($address);
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if ($address === '') {
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return false;
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}
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if (preg_match('/^(bc1|tb1)[a-z0-9]{8,87}$/i', $address)) {
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try {
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self::decodeBech32($address);
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return true;
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} catch (\Throwable) {
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return false;
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}
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}
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if (! preg_match('/^[13][1-9A-HJ-NP-Za-km-z]{24,33}$/', $address)) {
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return false;
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}
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try {
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$hex = TronAddress::base58CheckToHex($address);
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} catch (\Throwable) {
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return false;
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}
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$version = substr($hex, 0, 2);
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return ($version === '00' || $version === '05') && strlen($hex) === 42;
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}
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/**
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* @return array{type: string, script: string} script hex
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*/
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public static function scriptPubKey(string $address): array
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{
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$address = trim($address);
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if (preg_match('/^bc1/i', $address)) {
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$decoded = self::decodeBech32($address);
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$prog = $decoded['program'];
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$ver = $decoded['version'];
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if ($ver === 0 && strlen($prog) === 20) {
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// OP_0 <20>
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return ['type' => 'p2wpkh', 'script' => '0014'.bin2hex($prog)];
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}
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if ($ver === 0 && strlen($prog) === 32) {
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return ['type' => 'p2wsh', 'script' => '0020'.bin2hex($prog)];
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}
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throw new RuntimeException('Unsupported bech32 witness program');
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}
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$hex = TronAddress::base58CheckToHex($address);
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$version = substr($hex, 0, 2);
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$hash = substr($hex, 2);
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if ($version === '00' && strlen($hash) === 40) {
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// OP_DUP OP_HASH160 <20> OP_EQUALVERIFY OP_CHECKSIG
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return ['type' => 'p2pkh', 'script' => '76a914'.$hash.'88ac'];
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}
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if ($version === '05' && strlen($hash) === 40) {
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// OP_HASH160 <20> OP_EQUAL
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return ['type' => 'p2sh', 'script' => 'a914'.$hash.'87'];
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}
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throw new RuntimeException('Unsupported BTC address type');
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}
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public static function hash160Compressed(string $privateKeyHex): string
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{
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$privateKeyHex = strtolower(trim($privateKeyHex));
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if (str_starts_with($privateKeyHex, '0x')) {
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$privateKeyHex = substr($privateKeyHex, 2);
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}
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$ec = new EC('secp256k1');
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$compressed = hex2bin($ec->keyFromPrivate($privateKeyHex)->getPublic(true, 'hex'));
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if ($compressed === false) {
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throw new RuntimeException('Invalid public key');
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}
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return hash('ripemd160', hash('sha256', $compressed, true), true);
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}
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public static function compressedPublicKey(string $privateKeyHex): string
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{
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$privateKeyHex = strtolower(trim($privateKeyHex));
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if (str_starts_with($privateKeyHex, '0x')) {
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$privateKeyHex = substr($privateKeyHex, 2);
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}
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$ec = new EC('secp256k1');
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return $ec->keyFromPrivate($privateKeyHex)->getPublic(true, 'hex');
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}
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/**
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* @return array{version: int, program: string}
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*/
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public static function decodeBech32(string $address): array
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{
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$address = strtolower(trim($address));
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$pos = strrpos($address, '1');
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if ($pos === false || $pos < 1) {
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throw new RuntimeException('Invalid bech32');
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}
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$hrp = substr($address, 0, $pos);
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if ($hrp !== 'bc' && $hrp !== 'tb') {
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throw new RuntimeException('Unsupported bech32 hrp');
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}
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$dataPart = substr($address, $pos + 1);
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$charset = 'qpzry9x8gf2tvdw0s3jn54khce6mua7l';
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$values = [];
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for ($i = 0, $len = strlen($dataPart); $i < $len; $i++) {
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$idx = strpos($charset, $dataPart[$i]);
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if ($idx === false) {
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throw new RuntimeException('Invalid bech32 character');
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}
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$values[] = $idx;
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}
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if (count($values) < 7) {
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throw new RuntimeException('Invalid bech32 length');
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}
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if (! self::bech32Verify($hrp, $values)) {
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throw new RuntimeException('Invalid bech32 checksum');
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}
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$values = array_slice($values, 0, -6);
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$version = $values[0];
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if ($version > 16) {
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throw new RuntimeException('Invalid witness version');
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}
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$program = self::convertBits(array_slice($values, 1), 5, 8, false);
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if ($program === null) {
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throw new RuntimeException('Invalid witness program');
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}
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$len = strlen($program);
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if ($len < 2 || $len > 40) {
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throw new RuntimeException('Invalid witness program length');
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}
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if ($version === 0 && $len !== 20 && $len !== 32) {
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throw new RuntimeException('Invalid v0 witness program');
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}
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return ['version' => $version, 'program' => $program];
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}
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/**
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* Encode a witness program as a bech32 address.
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*
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* @param string $hrp Human-readable part ('bc' or 'tb')
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* @param int $witver Witness version (0 for P2WPKH/P2WSH)
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* @param string $programHex Witness program as hex string
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*/
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private static function bech32Encode(string $hrp, int $witver, string $programHex): string
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{
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$charset = 'qpzry9x8gf2tvdw0s3jn54khce6mua7l';
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$bytes = array_map('hexdec', str_split($programHex, 2));
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$values = [$witver];
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$bits = '';
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foreach ($bytes as $b) {
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$bits .= str_pad(decbin($b), 8, '0', STR_PAD_LEFT);
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}
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$bits = str_pad($bits, (int) ceil(strlen($bits) / 5) * 5, '0', STR_PAD_RIGHT);
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for ($i = 0; $i < strlen($bits); $i += 5) {
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$values[] = bindec(substr($bits, $i, 5));
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}
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$values = array_merge($values, self::bech32Checksum($hrp, $values));
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$result = $hrp.'1';
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foreach ($values as $v) {
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$result .= $charset[$v];
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}
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return $result;
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}
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/** @param list<int> $values */
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private static function bech32Checksum(string $hrp, array $values): array
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{
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$polymod = self::bech32Polymod(array_merge(
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self::bech32HrpExpand($hrp),
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$values,
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[0, 0, 0, 0, 0, 0],
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));
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$polymod ^= 1;
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$ret = [];
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for ($i = 0; $i < 6; $i++) {
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$ret[] = ($polymod >> 5 * (5 - $i)) & 31;
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}
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return $ret;
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}
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/** @param list<int> $values */
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private static function bech32Verify(string $hrp, array $values): bool
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{
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return self::bech32Polymod(array_merge(self::bech32HrpExpand($hrp), $values)) === 1;
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}
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/** @return list<int> */
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private static function bech32HrpExpand(string $hrp): array
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{
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$ret = [];
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$len = strlen($hrp);
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for ($i = 0; $i < $len; $i++) {
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$ret[] = ord($hrp[$i]) >> 5;
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}
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$ret[] = 0;
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for ($i = 0; $i < $len; $i++) {
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$ret[] = ord($hrp[$i]) & 31;
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}
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return $ret;
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}
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/** @param list<int> $values */
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private static function bech32Polymod(array $values): int
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{
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$gen = [0x3b6a57b2, 0x26508e6d, 0x1ea119fa, 0x3d4233dd, 0x2a1462b3];
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$chk = 1;
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foreach ($values as $v) {
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$b = $chk >> 25;
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$chk = (($chk & 0x1ffffff) << 5) ^ $v;
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for ($i = 0; $i < 5; $i++) {
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if (($b >> $i) & 1) {
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$chk ^= $gen[$i];
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}
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}
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}
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return $chk;
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}
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/**
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* @param list<int> $data
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*/
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private static function convertBits(array $data, int $from, int $to, bool $pad): ?string
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{
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$acc = 0;
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$bits = 0;
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$ret = '';
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$maxv = (1 << $to) - 1;
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foreach ($data as $value) {
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if ($value < 0 || ($value >> $from) !== 0) {
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return null;
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}
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$acc = ($acc << $from) | $value;
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$bits += $from;
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while ($bits >= $to) {
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$bits -= $to;
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$ret .= chr(($acc >> $bits) & $maxv);
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}
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}
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if ($pad) {
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if ($bits > 0) {
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$ret .= chr(($acc << ($to - $bits)) & $maxv);
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}
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} elseif ($bits >= $from || ((($acc << ($to - $bits)) & $maxv) !== 0)) {
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return null;
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}
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return $ret;
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}
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}
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