mirror of
https://github.com/kremalicious/metamask-extension.git
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57 lines
2.5 KiB
JavaScript
57 lines
2.5 KiB
JavaScript
import { ETH_SWAPS_TOKEN_ADDRESS } from '../helpers/constants/swaps'
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import { SWAP } from '../helpers/constants/transactions'
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import { getSwapsTokensReceivedFromTxMeta } from '../pages/swaps/swaps.util'
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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 a non ETH asset page, we need to determine if that asset is the
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* token that was received (destination) from the swap. In that circumstance we
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* would want to show the primaryCurrency in the activity list that is most relevant
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* for that token (- 1000 DAI, for example, when 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 { transactionCategory } = initialTransaction
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const { from: senderAddress } = initialTransaction.txParams || {}
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const isViewingReceivedTokenFromSwap = (
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(currentAsset?.symbol === primaryTransaction.destinationTokenSymbol) || (
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currentAsset.address === ETH_SWAPS_TOKEN_ADDRESS &&
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primaryTransaction.destinationTokenSymbol === 'ETH'
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)
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)
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const swapTokenValue = transactionCategory === 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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)
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: transactionCategory === SWAP && primaryTransaction.swapTokenValue
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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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)
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return { swapTokenValue, swapTokenFiatAmount, isViewingReceivedTokenFromSwap }
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}
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