@metamask/eip-5792-middleware/dist/methods/wallet_getCapabilities.mjs

Implements the JSON-RPC methods for sending multiple calls from the user's wallet, and checking their status, as referenced in EIP-5792

import { rpcErrors } from "@metamask/rpc-errors";
import { GetCapabilitiesStruct } from "../types.mjs";
import { validateAndNormalizeKeyholder, validateParams } from "../utils.mjs";
/**
 * The RPC method handler middleware for `wallet_getCapabilities`
 *
 * @param req - The JSON RPC request's end callback.
 * @param res - The JSON RPC request's pending response object.
 * @param hooks - The hooks object.
 * @param hooks.getAccounts - Function that retrieves available accounts.
 * @param hooks.getCapabilities - Function that retrieves the capabilities for atomic transactions on specified chains.
 */
export async function walletGetCapabilities(req, res, { getAccounts, getCapabilities, }) {
    if (!getCapabilities) {
        throw rpcErrors.methodNotSupported();
    }
    validateParams(req.params, GetCapabilitiesStruct);
    const address = req.params[0];
    const chainIds = req.params[1];
    await validateAndNormalizeKeyholder(address, req, {
        getAccounts,
    });
    const capabilities = await getCapabilities(address, chainIds, req);
    res.result = capabilities;
}
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