Bitcoin.Address = function (bytes) {
	if ("string" == typeof bytes) {
		bytes = Bitcoin.Address.decodeString(bytes);
	}
	this.hash = bytes;

	this.version = 0x00;
};

Bitcoin.Address.prototype.toString = function () {
	// Get a copy of the hash
	var hash = this.hash.slice(0);

	// Version
	hash.unshift(this.version);

	var checksum = Crypto.SHA256(Crypto.SHA256(hash, {asBytes: true}), {asBytes: true});

	var bytes = hash.concat(checksum.slice(0,4));

	return Bitcoin.Base58.encode(bytes);
};

Bitcoin.Address.prototype.getHashBase64 = function () {
	return Crypto.util.bytesToBase64(this.hash);
};

Bitcoin.Address.decodeString = function (string) {
	var bytes = Bitcoin.Base58.decode(string);

	var hash = bytes.slice(0, 21);

	var checksum = Crypto.SHA256(Crypto.SHA256(hash, {asBytes: true}), {asBytes: true});

	if (checksum[0] != bytes[21] ||
		checksum[1] != bytes[22] ||
		checksum[2] != bytes[23] ||
		checksum[3] != bytes[24]) {
		throw "Checksum validation failed!";
	}

	var version = hash.shift();

	if (version != 0) {
		throw "Version "+version+" not supported!";
	}

	return hash;
};