applesauce-wallet-connect/dist/helpers/response.js

NIP-47 Nostr Wallet Connect implementation for both clients and services.

import { isNIP04Encrypted } from "applesauce-core/helpers/encryption";
import { getTagValue, notifyEventUpdate } from "applesauce-core/helpers/event";
import { getHiddenContent, isHiddenContentUnlocked, setHiddenContentEncryptionMethod, unlockHiddenContent, } from "applesauce-core/helpers/hidden-content";
export const WALLET_RESPONSE_KIND = 23195;
// Set the encryption method to use for response kind
setHiddenContentEncryptionMethod(WALLET_RESPONSE_KIND, "nip04");
/** A symbol used to cache the wallet response on the event */
export const WalletResponseSymbol = Symbol("wallet-response");
/** Checks if a kind 23195 event is locked */
export function isWalletResponseUnlocked(response) {
    // Wrap in try catch to avoid throwing validation errors
    try {
        return (WalletResponseSymbol in response ||
            (isHiddenContentUnlocked(response) && getWalletResponse(response) !== undefined));
    }
    catch { }
    return false;
}
/** Unlocks a kind 23195 event */
export async function unlockWalletResponse(response, signer, override) {
    if (WalletResponseSymbol in response)
        return response[WalletResponseSymbol];
    // Unlock the hidden content
    const encryption = override ?? (!isNIP04Encrypted(response.content) ? "nip44" : "nip04");
    await unlockHiddenContent(response, signer, encryption);
    // Get the wallet response
    const parsed = getWalletResponse(response);
    if (!parsed)
        throw new Error("Failed to unlock wallet response");
    return parsed;
}
/** Gets the wallet response from a kind 23195 event */
export function getWalletResponse(response) {
    if (WalletResponseSymbol in response)
        return response[WalletResponseSymbol];
    const content = getHiddenContent(response);
    if (!content)
        return undefined;
    const parsed = JSON.parse(content);
    // Save the parsed content
    Reflect.set(response, WalletResponseSymbol, parsed);
    notifyEventUpdate(response);
    return parsed;
}
export function getWalletResponseClientPubkey(response) {
    return getTagValue(response, "p");
}
export function getWalletResponseRequestId(response) {
    return getTagValue(response, "e");
}
/** Checks if event is a valid wallet response event */
export function isValidWalletResponse(response) {
    return (response.kind === WALLET_RESPONSE_KIND &&
        getWalletResponseRequestId(response) !== undefined &&
        getWalletResponseClientPubkey(response) !== undefined);
}