mirror of
https://github.com/kremalicious/metamask-extension.git
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09512c7148
* Show fiat on confirm screen on multilayer-fee network * Disable gas editing on optimism * Fix send max mode on optimism * Represent layer 2 gas fee as a single value * Hide gas fee edit UI on optimism * Improvement multilayer-fee-message styling * Lint fix * Fix locales * Remove unnecessary code change Co-authored-by: David Walsh <davidwalsh83@gmail.com>
70 lines
2.5 KiB
JavaScript
70 lines
2.5 KiB
JavaScript
import { shallowEqual, useSelector } from 'react-redux';
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import {
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getPreferences,
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getShouldShowFiat,
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getCurrentCurrency,
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} from '../selectors';
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import { getNativeCurrency } from '../ducks/metamask/metamask';
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import { PRIMARY, SECONDARY, ETH } from '../helpers/constants/common';
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/**
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* Defines the shape of the options parameter for useUserPreferencedCurrency
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*
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* @typedef {Object} UseUserPreferencedCurrencyOptions
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* @property {number} [numberOfDecimals] - Number of significant decimals to display
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* @property {number} [ethNumberOfDecimals] - Number of significant decimals to display
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* when using ETH
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* @property {number} [fiatNumberOfDecimals] - Number of significant decimals to display
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* when using fiat
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*/
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/**
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* Defines the return shape of useUserPreferencedCurrency
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*
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* @typedef {Object} UserPreferredCurrency
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* @property {string} currency - the currency type to use (eg: 'ETH', 'usd')
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* @property {number} numberOfDecimals - Number of significant decimals to display
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*/
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/**
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* useUserPreferencedCurrency
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*
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* returns an object that contains what currency to use for displaying values based
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* on the user's preference settings, as well as the significant number of decimals
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* to display based on the currency
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*
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* @param {"PRIMARY" | "SECONDARY"} type - what display type is being rendered
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* @param {UseUserPreferencedCurrencyOptions} opts - options to override default values
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* @returns {UserPreferredCurrency}
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*/
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export function useUserPreferencedCurrency(type, opts = {}) {
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const nativeCurrency = useSelector(getNativeCurrency);
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const { useNativeCurrencyAsPrimaryCurrency } = useSelector(
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getPreferences,
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shallowEqual,
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);
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const showFiat = useSelector(getShouldShowFiat) || opts.showFiatOverride;
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const currentCurrency = useSelector(getCurrentCurrency);
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let currency, numberOfDecimals;
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if (
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!showFiat ||
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(type === PRIMARY && useNativeCurrencyAsPrimaryCurrency) ||
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(type === SECONDARY && !useNativeCurrencyAsPrimaryCurrency)
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) {
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// Display ETH
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currency = nativeCurrency || ETH;
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numberOfDecimals = opts.numberOfDecimals || opts.ethNumberOfDecimals || 8;
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} else if (
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(type === SECONDARY && useNativeCurrencyAsPrimaryCurrency) ||
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(type === PRIMARY && !useNativeCurrencyAsPrimaryCurrency)
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) {
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// Display Fiat
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currency = currentCurrency;
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numberOfDecimals = opts.numberOfDecimals || opts.fiatNumberOfDecimals || 2;
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}
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return { currency, numberOfDecimals };
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}
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