mattvb91\TronTrx\Address::isValid()

Complexity

Conditions	5
Paths	5

Size

Total Lines	29
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function isValid(): bool
    {
        if (strlen($this->address) !== Address::ADDRESS_SIZE) {
            return false;
        }

        $address = Base58Check::decode($this->address, false, 0, false);

false of type false is incompatible with the type integer expected by parameter $removeLeadingBytes of mattvb91\TronTrx\Support\Base58Check::decode().

        $utf8 = hex2bin($address);

        if (strlen($utf8) !== 25) {
            return false;
        }

        if (strpos($utf8, self::ADDRESS_PREFIX_BYTE) !== 0) {
            return false;
        }

        $checkSum = substr($utf8, 21);
        $address = substr($utf8, 0, 21);

        $hash0 = Hash::SHA256($address);
        $hash1 = Hash::SHA256($hash0);
        $checkSum1 = substr($hash1, 0, 4);

        if ($checkSum === $checkSum1) {
            return true;
        }

        return false;
    }
}