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metamask-extension/app/scripts/lib/rpc-method-middleware/handlers/watch-asset.js
Erik Marks 76a2a9bb8b
@metamask/eslint config@5.0.0 (#10358)
* @metamask/eslint-config@5.0.0
* Update eslintrc and prettierrc
* yarn lint:fix
2021-02-04 10:15:23 -08:00

41 lines
1.1 KiB
JavaScript

import { MESSAGE_TYPE } from '../../../../../shared/constants/app';
const watchAsset = {
methodNames: [MESSAGE_TYPE.WATCH_ASSET, MESSAGE_TYPE.WATCH_ASSET_LEGACY],
implementation: watchAssetHandler,
};
export default watchAsset;
/**
* @typedef {Object} WatchAssetOptions
* @property {Function} handleWatchAssetRequest - The wallet_watchAsset method implementation.
*/
/**
* @typedef {Object} WatchAssetParam
* @property {string} type - The type of the asset to watch.
* @property {Object} options - Watch options for the asset.
*/
/**
* @param {import('json-rpc-engine').JsonRpcRequest<WatchAssetParam>} req - The JSON-RPC request object.
* @param {import('json-rpc-engine').JsonRpcResponse<true>} res - The JSON-RPC response object.
* @param {Function} _next - The json-rpc-engine 'next' callback.
* @param {Function} end - The json-rpc-engine 'end' callback.
* @param {WatchAssetOptions} options
*/
async function watchAssetHandler(
req,
res,
_next,
end,
{ handleWatchAssetRequest },
) {
try {
res.result = await handleWatchAssetRequest(req);
return end();
} catch (error) {
return end(error);
}
}