btcpayserver/php-bitpay-client
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Inline docs & improved validity checking

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This commit is contained in:
Rich Morgan 2014-09-19 14:02:26 -04:00
parent 2a9aa8eb40
commit e79267c051
1 changed files with 18 additions and 8 deletions
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26
src/Bitpay/SinKey.php
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@ -35,7 +35,11 @@ use Bitpay\Util\Util;
class SinKey extends Key
{
// Type 2 (ephemeral)
const SIN_TYPE = '02';
// Always the prefix!
// (well, right now)
const SIN_VERSION = '0F';
/**
@ -68,6 +72,9 @@ class SinKey extends Key
}
/**
* Generates a Service Identification Number (SIN), see:
* https://en.bitcoin.it/wiki/Identity_protocol_v1
*
* @return SinKey
*/
public function generate()
@ -83,16 +90,20 @@ class SinKey extends Key
}
$step1 = Util::sha256(Gmp::gmpBinconv($this->publicKey->getX()), true);
$step2 = Util::ripe160($step1);
$step3 = sprintf(
'%s%s%s',
self::SIN_VERSION,
self::SIN_TYPE,
$step2
);
'%s%s%s',
self::SIN_VERSION,
self::SIN_TYPE,
$step2
);
$step4 = Util::twoSha256(Gmp::gmpBinconv($step3), true);
$step5 = substr(bin2hex($step4), 0, 8);
$step6 = $step3 . $step5;
$this->value = Base58::encode($step6);
@ -101,13 +112,12 @@ class SinKey extends Key
}
/**
* Checks to make sure that this SIN is a valid object, this
* method needs some improvement.
* Checks to make sure that this SIN is a valid object.
*
* @return boolean
*/
public function isValid()
{
return !is_null($this->value);
return (!is_null($this->value) && (substr($this->value, 0, 1) == 'T'));
}
}