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Add toChecksumAddress in Utils.php

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See #150 (https://github.com/ethereum/EIPs/blob/master/EIPS/eip-55.md)
This commit is contained in:
sc0vu 2019-10-03 00:01:35 +08:00
parent 0659ec04dc
commit d0289506dc
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2 changed files with 55 additions and 3 deletions
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27
src/Utils.php
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@ -189,7 +189,7 @@ class Utils
/**
* isAddressChecksum
*
*
* @param string $value
* @return bool
*/
@ -212,6 +212,31 @@ class Utils
return true;
}
/**
* toChecksumAddress
*
* @param string $value
* @return string
*/
public static function toChecksumAddress($value)
{
if (!is_string($value)) {
throw new InvalidArgumentException('The value to toChecksumAddress function must be string.');
}
$value = self::stripZero(strtolower($value));
$hash = self::stripZero(self::sha3($value));
$ret = '0x';
for ($i = 0; $i < 40; $i++) {
if (intval($hash[$i], 16) >= 8) {
$ret .= strtoupper($value[$i]);
} else {
$ret .= $value[$i];
}
}
return $ret;
}
/**
* isHex
*

31
test/unit/UtilsTest.php
View File

@ -249,7 +249,7 @@ class UtilsTest extends TestCase
/**
* testIsAddressChecksum
*
*
* @return void
*/
public function testIsAddressChecksum()
@ -291,9 +291,36 @@ class UtilsTest extends TestCase
$isAddressChecksum = Utils::isAddressChecksum(new stdClass);
}
/**
* testToChecksumAddress
*
* @return void
*/
public function testToChecksumAddress()
{
$checksumAddressTest = [
// All caps
'0x52908400098527886E0F7030069857D2E4169EE7',
'0x8617E340B3D01FA5F11F306F4090FD50E238070D',
// All Lower
'0xde709f2102306220921060314715629080e2fb77',
'0x27b1fdb04752bbc536007a920d24acb045561c26',
// Normal
'0x5aAeb6053F3E94C9b9A09f33669435E7Ef1BeAed',
'0xfB6916095ca1df60bB79Ce92cE3Ea74c37c5d359',
'0xdbF03B407c01E7cD3CBea99509d93f8DDDC8C6FB',
'0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDb'
];
for ($i=0; $i<count($checksumAddressTest); $i++) {
$checksumAddress = Utils::toChecksumAddress(strtolower($checksumAddressTest[$i]));
$this->assertEquals($checksumAddressTest[$i], $checksumAddress);
}
}
/**
* testStripZero
*
*
* @return void
*/
public function testStripZero()