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