1
0
mirror of https://github.com/kremalicious/metamask-extension.git synced 2024-11-23 18:41:38 +01:00
metamask-extension/ui/app/hooks/useCurrentAsset.js
Dan J Miller 480512d14f
Swaps support for local testnet (#10658)
* Swaps support for local testnet

* Create util method for comparison of token addresses/symbols to default swaps token

* Get chainId from txMeta in _trackSwapsMetrics of transaction controller

* Add comment to document purpose of getTransactionGroupRecipientAddressFilter

* Use isSwapsDefaultTokenSymbol in place of repeated defaultTokenSymbol comparisons in build-quote.js
2021-03-18 07:50:06 -02:30

37 lines
1.3 KiB
JavaScript

import { useSelector } from 'react-redux';
import { useRouteMatch } from 'react-router-dom';
import { getTokens } from '../ducks/metamask/metamask';
import { getCurrentChainId } from '../selectors';
import { ASSET_ROUTE } from '../helpers/constants/routes';
import {
SWAPS_CHAINID_DEFAULT_TOKEN_MAP,
ETH_SWAPS_TOKEN_OBJECT,
} from '../../../shared/constants/swaps';
/**
* Returns a token object for the asset that is currently being viewed.
* Will return the default token object for the current chain when the
* user is viewing either the primary, unfiltered, activity list or the
* default token asset page.
* @returns {import('./useTokenDisplayValue').Token}
*/
export function useCurrentAsset() {
// To determine which primary currency to display for swaps transactions we need to be aware
// of which asset, if any, we are viewing at present
const match = useRouteMatch({
path: `${ASSET_ROUTE}/:asset`,
exact: true,
strict: true,
});
const tokenAddress = match?.params?.asset;
const knownTokens = useSelector(getTokens);
const token =
tokenAddress && knownTokens.find(({ address }) => address === tokenAddress);
const chainId = useSelector(getCurrentChainId);
return (
token ??
(SWAPS_CHAINID_DEFAULT_TOKEN_MAP[chainId] || ETH_SWAPS_TOKEN_OBJECT)
);
}