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UtilsTest.php
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<?php
namespace Test\Unit;
use InvalidArgumentException;
use stdClass;
use Test\TestCase;
use phpseclib\Math\BigInteger as BigNumber;
use Web3\Utils;
use Web3\Contract;
class UtilsTest extends TestCase
{
/**
* testHex
* 'hello world'
* you can check by call pack('H*', $hex)
*
* @var string
*/
protected $testHex = '68656c6c6f20776f726c64';
/**
* testJsonMethodString
* from GameToken approve function
*
* @var string
*/
protected $testJsonMethodString = '{
"constant": false,
"inputs": [
{
"name": "_spender",
"type": "address"
},
{
"name": "_value",
"type": "uint256"
}
],
"name": "approve",
"outputs": [
{
"name": "success",
"type": "bool"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "function",
"test": {
"name": "testObject"
}
}';
/**
* testIssue112Json
* see: https://github.com/sc0Vu/web3.php/issues/112
*
* @var string
*/
protected $testIssue112Json = '[
{
"constant": true,
"inputs": [],
"name": "name",
"outputs": [
{
"name": "",
"type": "string"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "decimals",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "tokenOwner",
"type": "address"
}
],
"name": "balanceOf",
"outputs": [
{
"name": "balance",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "to",
"type": "address"
},
{
"name": "tokens",
"type": "uint256"
}
],
"name": "transfer",
"outputs": [
{
"name": "success",
"type": "bool"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
}
]';
/**
* setUp
*
* @return void
*/
public function setUp()
{
parent::setUp();
}
/**
* testToHex
*
* @return void
*/
public function testToHex()
{
$this->assertEquals($this->testHex, Utils::toHex('hello world'));
$this->assertEquals('0x' . $this->testHex, Utils::toHex('hello world', true));
$this->assertEquals('0x927c0', Utils::toHex(0x0927c0, true));
$this->assertEquals('0x927c0', Utils::toHex('600000', true));
$this->assertEquals('0x927c0', Utils::toHex(600000, true));
$this->assertEquals('0x927c0', Utils::toHex(new BigNumber(600000), true));
$this->assertEquals('0xea60', Utils::toHex(0x0ea60, true));
$this->assertEquals('0xea60', Utils::toHex('60000', true));
$this->assertEquals('0xea60', Utils::toHex(60000, true));
$this->assertEquals('0xea60', Utils::toHex(new BigNumber(60000), true));
$this->assertEquals('0x', Utils::toHex(0x00, true));
$this->assertEquals('0x', Utils::toHex('0', true));
$this->assertEquals('0x', Utils::toHex(0, true));
$this->assertEquals('0x', Utils::toHex(new BigNumber(0), true));
$this->assertEquals('0x30', Utils::toHex(48, true));
$this->assertEquals('0x30', Utils::toHex('48', true));
$this->assertEquals('30', Utils::toHex(48));
$this->assertEquals('30', Utils::toHex('48'));
$this->assertEquals('0x30', Utils::toHex(new BigNumber(48), true));
$this->assertEquals('0x30', Utils::toHex(new BigNumber('48'), true));
$this->assertEquals('30', Utils::toHex(new BigNumber(48)));
$this->assertEquals('30', Utils::toHex(new BigNumber('48')));
$this->expectException(InvalidArgumentException::class);
$hex = Utils::toHex(new stdClass);
}
/**
* testHexToBin
*
* @return void
*/
public function testHexToBin()
{
$str = Utils::hexToBin($this->testHex);
$this->assertEquals($str, 'hello world');
$str = Utils::hexToBin('0x' . $this->testHex);
$this->assertEquals($str, 'hello world');
$str = Utils::hexToBin('0xe4b883e5bda9e7a59ee4bb99e9b1bc');
$this->assertEquals($str, '七彩神仙鱼');
$this->expectException(InvalidArgumentException::class);
$str = Utils::hexToBin(new stdClass);
}
/**
* testIsZeroPrefixed
*
* @return void
*/
public function testIsZeroPrefixed()
{
$isPrefixed = Utils::isZeroPrefixed($this->testHex);
$this->assertEquals($isPrefixed, false);
$isPrefixed = Utils::isZeroPrefixed('0x' . $this->testHex);
$this->assertEquals($isPrefixed, true);
$this->expectException(InvalidArgumentException::class);
$isPrefixed = Utils::isZeroPrefixed(new stdClass);
}
/**
* testIsAddress
*
* @return void
*/
public function testIsAddress()
{
$isAddress = Utils::isAddress('ca35b7d915458ef540ade6068dfe2f44e8fa733c');
$this->assertEquals($isAddress, true);
$isAddress = Utils::isAddress('0xca35b7d915458ef540ade6068dfe2f44e8fa733c');
$this->assertEquals($isAddress, true);
$isAddress = Utils::isAddress('0Xca35b7d915458ef540ade6068dfe2f44e8fa733c');
$this->assertEquals($isAddress, true);
$isAddress = Utils::isAddress('0XCA35B7D915458EF540ADE6068DFE2F44E8FA733C');
$this->assertEquals($isAddress, true);
$isAddress = Utils::isAddress('0xCA35B7D915458EF540ADE6068DFE2F44E8FA733C');
$this->assertEquals($isAddress, true);
$isAddress = Utils::isAddress('0xCA35B7D915458EF540ADE6068DFE2F44E8FA73cc');
$this->assertEquals($isAddress, false);
$this->expectException(InvalidArgumentException::class);
$isAddress = Utils::isAddress(new stdClass);
}
/**
* testIsAddressChecksum
*
* @return void
*/
public function testIsAddressChecksum()
{
$isAddressChecksum = Utils::isAddressChecksum('0x52908400098527886E0F7030069857D2E4169EE7');
$this->assertEquals($isAddressChecksum, true);
$isAddressChecksum = Utils::isAddressChecksum('0x8617E340B3D01FA5F11F306F4090FD50E238070D');
$this->assertEquals($isAddressChecksum, true);
$isAddressChecksum = Utils::isAddressChecksum('0xde709f2102306220921060314715629080e2fb77');
$this->assertEquals($isAddressChecksum, true);
$isAddressChecksum = Utils::isAddressChecksum('0x27b1fdb04752bbc536007a920d24acb045561c26');
$this->assertEquals($isAddressChecksum, true);
$isAddressChecksum = Utils::isAddressChecksum('0x5aAeb6053F3E94C9b9A09f33669435E7Ef1BeAed');
$this->assertEquals($isAddressChecksum, true);
$isAddressChecksum = Utils::isAddressChecksum('0x5aAeb6053F3E94C9b9A09f33669435E7Ef1BeAed');
$this->assertEquals($isAddressChecksum, true);
$isAddressChecksum = Utils::isAddressChecksum('0xfB6916095ca1df60bB79Ce92cE3Ea74c37c5d359');
$this->assertEquals($isAddressChecksum, true);
$isAddressChecksum = Utils::isAddressChecksum('0xdbF03B407c01E7cD3CBea99509d93f8DDDC8C6FB');
$this->assertEquals($isAddressChecksum, true);
$isAddressChecksum = Utils::isAddressChecksum('0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDb');
$this->assertEquals($isAddressChecksum, true);
$isAddressChecksum = Utils::isAddressChecksum('0XD1220A0CF47C7B9BE7A2E6BA89F429762E7B9ADB');
$this->assertEquals($isAddressChecksum, false);
$isAddressChecksum = Utils::isAddressChecksum('0xd1220a0cf47c7b9be7a2e6ba89f429762e7b9adb');
$this->assertEquals($isAddressChecksum, false);
$this->expectException(InvalidArgumentException::class);
$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()
{
$str = Utils::stripZero($this->testHex);
$this->assertEquals($str, $this->testHex);
$str = Utils::stripZero('0x' . $this->testHex);
$this->assertEquals($str, $this->testHex);
}
/**
* testSha3
*
* @return void
*/
public function testSha3()
{
$str = Utils::sha3('');
$this->assertNull($str);
$str = Utils::sha3('baz(uint32,bool)');
$this->assertEquals(mb_substr($str, 0, 10), '0xcdcd77c0');
$this->expectException(InvalidArgumentException::class);
$str = Utils::sha3(new stdClass);
}
/**
* testToWei
*
* @return void
*/
public function testToWei()
{
$bn = Utils::toWei('0x1', 'wei');
$this->assertEquals('1', $bn->toString());
$bn = Utils::toWei('18', 'wei');
$this->assertEquals('18', $bn->toString());
$bn = Utils::toWei('1', 'ether');
$this->assertEquals('1000000000000000000', $bn->toString());
$bn = Utils::toWei('0x5218', 'wei');
$this->assertEquals('21016', $bn->toString());
$bn = Utils::toWei('0.000012', 'ether');
$this->assertEquals('12000000000000', $bn->toString());
$bn = Utils::toWei('0.1', 'ether');
$this->assertEquals('100000000000000000', $bn->toString());
$bn = Utils::toWei('1.69', 'ether');
$this->assertEquals('1690000000000000000', $bn->toString());
$bn = Utils::toWei('0.01', 'ether');
$this->assertEquals('10000000000000000', $bn->toString());
$bn = Utils::toWei('0.002', 'ether');
$this->assertEquals('2000000000000000', $bn->toString());
$bn = Utils::toWei('-0.1', 'ether');
$this->assertEquals('-100000000000000000', $bn->toString());
$bn = Utils::toWei('-1.69', 'ether');
$this->assertEquals('-1690000000000000000', $bn->toString());
$bn = Utils::toWei('', 'ether');
$this->assertEquals('0', $bn->toString());
try {
$bn = Utils::toWei('0x5218', new stdClass);
} catch (InvalidArgumentException $e) {
$this->assertEquals('toWei unit must be string.', $e->getMessage());
}
try {
$bn = Utils::toWei('0x5218', 'test');
} catch (InvalidArgumentException $e) {
$this->assertEquals('toWei doesn\'t support test unit.', $e->getMessage());
}
try {
// out of limit
$bn = Utils::toWei(-1.6977, 'kwei');
} catch (InvalidArgumentException $e) {
$this->assertEquals('toWei number must be string or bignumber.', $e->getMessage());
}
}
/**
* testToEther
*
* @return void
*/
public function testToEther()
{
list($bnq, $bnr) = Utils::toEther('0x1', 'wei');
$this->assertEquals($bnq->toString(), '0');
$this->assertEquals($bnr->toString(), '1');
list($bnq, $bnr) = Utils::toEther('18', 'wei');
$this->assertEquals($bnq->toString(), '0');
$this->assertEquals($bnr->toString(), '18');
list($bnq, $bnr) = Utils::toEther('1', 'kether');
$this->assertEquals($bnq->toString(), '1000');
$this->assertEquals($bnr->toString(), '0');
list($bnq, $bnr) = Utils::toEther('0x5218', 'wei');
$this->assertEquals($bnq->toString(), '0');
$this->assertEquals($bnr->toString(), '21016');
list($bnq, $bnr) = Utils::toEther('0x5218', 'ether');
$this->assertEquals($bnq->toString(), '21016');
$this->assertEquals($bnr->toString(), '0');
}
/**
* testFromWei
*
* @return void
*/
public function testFromWei()
{
list($bnq, $bnr) = Utils::fromWei('1000000000000000000', 'ether');
$this->assertEquals($bnq->toString(), '1');
$this->assertEquals($bnr->toString(), '0');
list($bnq, $bnr) = Utils::fromWei('18', 'wei');
$this->assertEquals($bnq->toString(), '18');
$this->assertEquals($bnr->toString(), '0');
list($bnq, $bnr) = Utils::fromWei(1, 'femtoether');
$this->assertEquals($bnq->toString(), '0');
$this->assertEquals($bnr->toString(), '1');
list($bnq, $bnr) = Utils::fromWei(0x11, 'nano');
$this->assertEquals($bnq->toString(), '0');
$this->assertEquals($bnr->toString(), '17');
list($bnq, $bnr) = Utils::fromWei('0x5218', 'kwei');
$this->assertEquals($bnq->toString(), '21');
$this->assertEquals($bnr->toString(), '16');
try {
list($bnq, $bnr) = Utils::fromWei('0x5218', new stdClass);
} catch (InvalidArgumentException $e) {
$this->assertTrue($e !== null);
}
try {
list($bnq, $bnr) = Utils::fromWei('0x5218', 'test');
} catch (InvalidArgumentException $e) {
$this->assertTrue($e !== null);
}
}
/**
* testJsonMethodToString
*
* @return void
*/
public function testJsonMethodToString()
{
$json = json_decode($this->testJsonMethodString);
$methodString = Utils::jsonMethodToString($json);
$this->assertEquals($methodString, 'approve(address,uint256)');
$json = json_decode($this->testJsonMethodString, true);
$methodString = Utils::jsonMethodToString($json);
$this->assertEquals($methodString, 'approve(address,uint256)');
$methodString = Utils::jsonMethodToString([
'name' => 'approve(address,uint256)'
]);
$this->assertEquals($methodString, 'approve(address,uint256)');
$this->expectException(InvalidArgumentException::class);
$methodString = Utils::jsonMethodToString('test');
}
/**
* testJsonToArray
*
* @return void
*/
public function testJsonToArray()
{
$decodedJson = json_decode($this->testJsonMethodString);
$jsonArray = Utils::jsonToArray($decodedJson);
$jsonAssoc = json_decode($this->testJsonMethodString, true);
$jsonArray2 = Utils::jsonToArray($jsonAssoc);
$this->assertEquals($jsonAssoc, $jsonArray);
$this->assertEquals($jsonAssoc, $jsonArray2);
$jsonAssoc = json_decode($this->testIssue112Json, true);
$jsonArray = Utils::jsonToArray($jsonAssoc);
$this->assertEquals($jsonAssoc, $jsonArray);
}
/**
* testIsHex
*
* @return void
*/
public function testIsHex()
{
$isHex = Utils::isHex($this->testHex);
$this->assertTrue($isHex);
$isHex = Utils::isHex('0x' . $this->testHex);
$this->assertTrue($isHex);
$isHex = Utils::isHex('hello world');
$this->assertFalse($isHex);
}
/**
* testIsNegative
*
* @return void
*/
public function testIsNegative()
{
$isNegative = Utils::isNegative('-1');
$this->assertTrue($isNegative);
$isNegative = Utils::isNegative('1');
$this->assertFalse($isNegative);
}
/**
* testToBn
*
* @return void
*/
public function testToBn()
{
$bn = Utils::toBn('');
$this->assertEquals($bn->toString(), '0');
$bn = Utils::toBn(11);
$this->assertEquals($bn->toString(), '11');
$bn = Utils::toBn('0x12');
$this->assertEquals($bn->toString(), '18');
$bn = Utils::toBn('-0x12');
$this->assertEquals($bn->toString(), '-18');
$bn = Utils::toBn(0x12);
$this->assertEquals($bn->toString(), '18');
$bn = Utils::toBn('ae');
$this->assertEquals($bn->toString(), '174');
$bn = Utils::toBn('-ae');
$this->assertEquals($bn->toString(), '-174');
$bn = Utils::toBn('-1');
$this->assertEquals($bn->toString(), '-1');
$bn = Utils::toBn('-0.1');
$this->assertEquals(count($bn), 4);
$this->assertEquals($bn[0]->toString(), '0');
$this->assertEquals($bn[1]->toString(), '1');
$this->assertEquals($bn[2], 1);
$this->assertEquals($bn[3]->toString(), '-1');
$bn = Utils::toBn(-0.1);
$this->assertEquals(count($bn), 4);
$this->assertEquals($bn[0]->toString(), '0');
$this->assertEquals($bn[1]->toString(), '1');
$this->assertEquals($bn[2], 1);
$this->assertEquals($bn[3]->toString(), '-1');
$bn = Utils::toBn('0.1');
$this->assertEquals(count($bn), 4);
$this->assertEquals($bn[0]->toString(), '0');
$this->assertEquals($bn[1]->toString(), '1');
$this->assertEquals($bn[2], 1);
$this->assertEquals($bn[3], false);
$bn = Utils::toBn('-1.69');
$this->assertEquals(count($bn), 4);
$this->assertEquals($bn[0]->toString(), '1');
$this->assertEquals($bn[1]->toString(), '69');
$this->assertEquals($bn[2], 2);
$this->assertEquals($bn[3]->toString(), '-1');
$bn = Utils::toBn(-1.69);
$this->assertEquals($bn[0]->toString(), '1');
$this->assertEquals($bn[1]->toString(), '69');
$this->assertEquals($bn[2], 2);
$this->assertEquals($bn[3]->toString(), '-1');
$bn = Utils::toBn('1.69');
$this->assertEquals(count($bn), 4);
$this->assertEquals($bn[0]->toString(), '1');
$this->assertEquals($bn[1]->toString(), '69');
$this->assertEquals($bn[2], 2);
$this->assertEquals($bn[3], false);
$bn = Utils::toBn(new BigNumber(1));
$this->assertEquals($bn->toString(), '1');
$this->expectException(InvalidArgumentException::class);
$bn = Utils::toBn(new stdClass);
}
}