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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));
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}` : ""}`;
}
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