mirror of
https://github.com/kremalicious/metamask-extension.git
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78 lines
3.0 KiB
JavaScript
78 lines
3.0 KiB
JavaScript
import { useSelector } from 'react-redux';
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import { TRANSACTION_TYPES } from '../../shared/constants/transaction';
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import {
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isSwapsDefaultTokenAddress,
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isSwapsDefaultTokenSymbol,
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} from '../../shared/modules/swaps.utils';
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import { getSwapsTokensReceivedFromTxMeta } from '../pages/swaps/swaps.util';
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import { getCurrentChainId } from '../selectors';
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import { useTokenFiatAmount } from './useTokenFiatAmount';
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/**
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* @typedef {Object} SwappedTokenValue
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* @property {string} swapTokenValue - a primary currency string formatted for display
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* @property {string} swapTokenFiatAmount - a secondary currency string formatted for display
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* @property {boolean} isViewingReceivedTokenFromSwap - true if user is on the asset page for the
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* destination/received asset in a swap.
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*/
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/**
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* A Swap transaction group's primaryTransaction contains details of the swap,
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* including the source (from) and destination (to) token type (ETH, DAI, etc..)
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* When viewing an asset page that is not for the current chain's default token, we
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* need to determine if that asset is the token that was received (destination) from
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* the swap. In that circumstance we would want to show the primaryCurrency in the
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* activity list that is most relevant for that token (- 1000 DAI, for example, when
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* swapping DAI for ETH).
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* @param {import('../selectors').transactionGroup} transactionGroup - Group of transactions by nonce
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* @param {import('./useTokenDisplayValue').Token} currentAsset - The current asset the user is looking at
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* @returns {SwappedTokenValue}
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*/
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export function useSwappedTokenValue(transactionGroup, currentAsset) {
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const { symbol, decimals, address } = currentAsset;
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const { primaryTransaction, initialTransaction } = transactionGroup;
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const { type } = initialTransaction;
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const { from: senderAddress } = initialTransaction.txParams || {};
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const chainId = useSelector(getCurrentChainId);
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const isViewingReceivedTokenFromSwap =
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currentAsset?.symbol === primaryTransaction.destinationTokenSymbol ||
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(isSwapsDefaultTokenAddress(currentAsset.address, chainId) &&
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isSwapsDefaultTokenSymbol(
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primaryTransaction.destinationTokenSymbol,
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chainId,
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));
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const swapTokenValue =
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type === TRANSACTION_TYPES.SWAP && isViewingReceivedTokenFromSwap
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? getSwapsTokensReceivedFromTxMeta(
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primaryTransaction.destinationTokenSymbol,
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initialTransaction,
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address,
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senderAddress,
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decimals,
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null,
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chainId,
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)
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: type === TRANSACTION_TYPES.SWAP && primaryTransaction.swapTokenValue;
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const isNegative =
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typeof swapTokenValue === 'string'
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? Math.sign(swapTokenValue) === -1
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: false;
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const _swapTokenFiatAmount = useTokenFiatAmount(
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address,
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swapTokenValue || '',
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symbol,
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);
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const swapTokenFiatAmount =
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swapTokenValue && isViewingReceivedTokenFromSwap && _swapTokenFiatAmount;
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return {
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swapTokenValue,
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swapTokenFiatAmount,
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isViewingReceivedTokenFromSwap,
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isNegative,
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};
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}
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