package DNA;

/**

* Custom type which inherits base class defines 20-bit data,

* it mostly used to defined contract address

*

* @author 12146

* @since JDK1.8

*

*/

public class UInt160 extends UIntBase implements Comparable<UInt160> {

public static final UInt160 ZERO = new UInt160();

public UInt160() {

this(null);

}

public UInt160(byte[] value) {

super(20, value);

}

@Override

public int compareTo(UInt160 other) {

byte[] x = this.data_bytes;

byte[] y = other.data_bytes;

for (int i = x.length - 1; i >= 0; i--) {

int r = Byte.toUnsignedInt(x[i]) - Byte.toUnsignedInt(y[i]);

if (r != 0) {

return r;

}

}

return 0;

}

public static UInt160 parse(String value) {

if (value == null) {

throw new NullPointerException();

}

if (value.startsWith("0x")) {

value = value.substring(2);

}

if (value.length() != 40) {

throw new IllegalArgumentException();

}

byte[] v = Helper.hexToBytes(value);

return new UInt160(Helper.reverse(v));

}

public static boolean tryParse(String s, UInt160 result) {

try {

UInt160 v = parse(s);

result.data_bytes = v.data_bytes;

return true;

} catch (Exception e) {

return false;

}

}

}