@keypo/typescript-sdk/dist/esm/decrypt.js

A TypeScript SDK for using Keypo

import { authenticateLitSession } from './utils/authenticateLitSession.js';
import { clientToSigner } from './utils/ethersAdapter.js';
export async function decrypt(dataIdentifier, wallet, config, debug) {
    if (debug) {
        console.log("[DEBUG] decrypt() called with:");
        console.log("  dataIdentifier:", dataIdentifier);
        console.log("  wallet.address:", wallet.account?.address);
        console.log("  config:", config);
    }
    // Convert viem client to ethers signer
    const signer = clientToSigner(wallet);
    // Authenticate lit session with ethers wallet
    if (debug) {
        console.log("[DEBUG] Calling authenticateLitSession...");
    }
    const { sessionSigs, dataMetadata } = await authenticateLitSession(signer, config.chain, config.expiration, config.registryContractAddress, dataIdentifier, config.apiUrl, debug);
    if (debug) {
        console.log("[DEBUG] authenticateLitSession result:", {
            sessionSigs,
            dataMetadata,
        });
        console.log("dataMetadata", dataMetadata);
    }
    // Call the API endpoint to handle decryption
    const response = await fetch(`${config.apiUrl}/decryption`, {
        method: "POST",
        headers: {
            'Content-Type': 'application/json',
        },
        body: JSON.stringify({
            dataIdentifier,
            sessionSigs,
            dataMetadata: JSON.stringify(dataMetadata),
        })
    });
    if (!response.ok) {
        throw new Error(`Decryption failed: ${response.statusText}`);
    }
    const result = await response.json();
    if (debug) {
        console.log("[DEBUG] API response:", result);
    }
    // Convert the decrypted data from a plain object to a Uint8Array
    const decryptedDataArray = new Uint8Array(Object.values(result.decryptedData));
    return {
        decryptedData: decryptedDataArray,
        metadata: result.metadata,
    };
}