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generated by cgit v1.2.3 (git 2.51.0) at 2026-11-06 21:44:24 +0000
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export function decode(uri, allowedSchemes = ["bitcoin", "liquidnetwork"]) {
	// Determine the scheme from the URI
	const split = uri.indexOf(":");
	if (split === -1) {
		throw new Error("Invalid URI: Missing scheme");
	}

	const urnScheme = uri.slice(0, split).toLowerCase();
	if (!allowedSchemes.includes(urnScheme)) {
		throw new Error(`Invalid scheme: ${urnScheme}`);
	}

	// Extract address and query string
	const queryStart = uri.indexOf("?");
	const address = uri.slice(
		split + 1,
		queryStart === -1 ? undefined : queryStart,
	);
	const query = queryStart === -1 ? "" : uri.slice(queryStart + 1);
	const options = Object.fromEntries(new URLSearchParams(query));

	if (options.amount) {
		const n = Number(options.amount);
		if (!Number.isFinite(n)) throw new Error("Invalid amount");
		if (n < 0) throw new Error("Invalid amount");
	}

	return { scheme: urnScheme, address, options };
}

export function encode(
	address,
	options = { amount: "" },
	urnScheme = "bitcoin",
) {
	if (!address || typeof address !== "string") {
		throw new TypeError("Invalid address");
	}

	if (!["bitcoin", "liquidnetwork"].includes(urnScheme)) {
		throw new Error(`Unsupported scheme: ${urnScheme}`);
	}

	const n = Number(options?.amount);
	if (!Number.isFinite(n)) throw new Error("Invalid amount");
	if (n < 0) throw new Error("Invalid amount");

	const query = new URLSearchParams(options).toString();
	return `${urnScheme}:${address}${query ? `?${query}` : ""}`;
}