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45 lines
1.2 KiB
45 lines
1.2 KiB
import BigNumber from 'bignumber.js';
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const toFiatCurrency = (amount, fiatCurrency, networkRates) => {
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// calculate amount in local currency
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if (!networkRates || !networkRates.rates || !amount) {
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return '';
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}
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const rate = networkRates.rates[fiatCurrency];
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if (!rate) {
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return '';
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}
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let formattedAmount = amount;
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if (typeof amount === 'string') {
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formattedAmount = amount.replace(',', '.');
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}
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let localAmount = BigNumber(formattedAmount).times(rate);
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localAmount = localAmount.isNaN() ? '' : localAmount.toFixed(2);
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return localAmount;
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};
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const fromFiatCurrency = (localAmount, fiatCurrency, networkRates, decimals) => {
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if (!networkRates || !networkRates.rates || !localAmount) {
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return '';
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}
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const rate = networkRates.rates[fiatCurrency];
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if (!rate) {
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return '';
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}
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let formattedLocalAmount = localAmount;
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if (typeof localAmount === 'string') {
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formattedLocalAmount = localAmount.replace(',', '.');
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}
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let amount = BigNumber(formattedLocalAmount).div(rate);
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amount = amount.isNaN() ? '' : amount.toFixed(decimals);
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return amount;
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};
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export { toFiatCurrency, fromFiatCurrency };
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