BitWasp\Bitcoin\Script\Interpreter\ScriptNum::__construct()

Complexity

Conditions	9
Paths	9

Size

Total Lines	27
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	90

Importance

Changes	2
Bugs	1	Features	0

<?php
    public function __construct(Math $math, Flags $flags, Buffer $vch, $size = 4)
    {
        if (!is_numeric($size)) {
            throw new \RuntimeException('ScriptNum size must be numeric');
        }

        $bufferSize = $vch->getSize();
        if ($bufferSize > $size) {
            throw new ScriptStackException('a'.InterpreterInterface::VERIFY_MINIMALDATA);//, 'Script number overflow');
        }

        $str = $vch->getBinary();
        if ($flags->checkFlags(InterpreterInterface::VERIFY_MINIMALDATA) && $bufferSize > 0) {
            if ((ord($str[0]) & 0x7f) === 0) {
                if ($bufferSize <= 1 || (ord($str[1]) & 0x7f) === 0) {
                    throw new ScriptStackException('b'.InterpreterInterface::VERIFY_MINIMALDATA);//, 'Non-minimally encoded integer');
                }
            }
        }

        if ($bufferSize === 0) {
            $str = "\x00";
        }

        $this->math = $math;
        parent::__construct($str, $size, $math);
    }