mirror of
https://github.com/kremalicious/metamask-extension.git
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208 lines
4.3 KiB
JavaScript
208 lines
4.3 KiB
JavaScript
import { ETH, GWEI, WEI } from '../constants/common';
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import { addHexPrefix } from '../../../app/scripts/lib/util';
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import {
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conversionUtil,
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addCurrencies,
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subtractCurrencies,
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} from '../../../shared/modules/conversion.utils';
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import { formatCurrency } from './confirm-tx.util';
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export function bnToHex(inputBn) {
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return addHexPrefix(inputBn.toString(16));
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}
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export function hexToDecimal(hexValue) {
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return conversionUtil(hexValue, {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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});
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}
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export function decimalToHex(decimal) {
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return conversionUtil(decimal, {
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fromNumericBase: 'dec',
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toNumericBase: 'hex',
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});
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}
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export function getEthConversionFromWeiHex({
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value,
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fromCurrency = ETH,
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conversionRate,
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numberOfDecimals = 6,
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}) {
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const denominations = [fromCurrency, GWEI, WEI];
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let nonZeroDenomination;
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for (let i = 0; i < denominations.length; i++) {
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const convertedValue = getValueFromWeiHex({
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value,
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conversionRate,
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fromCurrency,
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toCurrency: fromCurrency,
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numberOfDecimals,
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toDenomination: denominations[i],
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});
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if (convertedValue !== '0' || i === denominations.length - 1) {
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nonZeroDenomination = `${convertedValue} ${denominations[i]}`;
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break;
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}
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}
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return nonZeroDenomination;
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}
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export function getValueFromWeiHex({
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value,
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fromCurrency = ETH,
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toCurrency,
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conversionRate,
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numberOfDecimals,
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toDenomination,
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}) {
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return conversionUtil(value, {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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fromCurrency,
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toCurrency,
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numberOfDecimals,
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fromDenomination: WEI,
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toDenomination,
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conversionRate,
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});
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}
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export function getWeiHexFromDecimalValue({
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value,
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fromCurrency,
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conversionRate,
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fromDenomination,
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invertConversionRate,
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}) {
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return conversionUtil(value, {
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fromNumericBase: 'dec',
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toNumericBase: 'hex',
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toCurrency: ETH,
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fromCurrency,
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conversionRate,
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invertConversionRate,
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fromDenomination,
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toDenomination: WEI,
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});
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}
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export function addHexWEIsToDec(aHexWEI, bHexWEI) {
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return addCurrencies(aHexWEI, bHexWEI, {
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aBase: 16,
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bBase: 16,
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fromDenomination: 'WEI',
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numberOfDecimals: 6,
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});
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}
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export function subtractHexWEIsToDec(aHexWEI, bHexWEI) {
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return subtractCurrencies(aHexWEI, bHexWEI, {
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aBase: 16,
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bBase: 16,
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fromDenomination: 'WEI',
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numberOfDecimals: 6,
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});
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}
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export function decEthToConvertedCurrency(
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ethTotal,
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convertedCurrency,
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conversionRate,
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) {
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return conversionUtil(ethTotal, {
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fromNumericBase: 'dec',
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toNumericBase: 'dec',
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fromCurrency: 'ETH',
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toCurrency: convertedCurrency,
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numberOfDecimals: 2,
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conversionRate,
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});
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}
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export function decGWEIToHexWEI(decGWEI) {
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return conversionUtil(decGWEI, {
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fromNumericBase: 'dec',
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toNumericBase: 'hex',
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fromDenomination: 'GWEI',
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toDenomination: 'WEI',
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});
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}
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export function hexWEIToDecGWEI(decGWEI) {
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return conversionUtil(decGWEI, {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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fromDenomination: 'WEI',
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toDenomination: 'GWEI',
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});
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}
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export function decETHToDecWEI(decEth) {
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return conversionUtil(decEth, {
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fromNumericBase: 'dec',
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toNumericBase: 'dec',
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fromDenomination: 'ETH',
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toDenomination: 'WEI',
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});
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}
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export function hexWEIToDecETH(hexWEI) {
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return conversionUtil(hexWEI, {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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fromDenomination: 'WEI',
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toDenomination: 'ETH',
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});
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}
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export function addHexes(aHexWEI, bHexWEI) {
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return addCurrencies(aHexWEI, bHexWEI, {
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aBase: 16,
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bBase: 16,
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toNumericBase: 'hex',
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numberOfDecimals: 6,
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});
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}
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export function sumHexWEIs(hexWEIs) {
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return hexWEIs.filter(Boolean).reduce(addHexes);
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}
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export function sumHexWEIsToUnformattedFiat(
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hexWEIs,
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convertedCurrency,
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conversionRate,
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) {
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const hexWEIsSum = sumHexWEIs(hexWEIs);
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const convertedTotal = decEthToConvertedCurrency(
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getValueFromWeiHex({
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value: hexWEIsSum,
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toCurrency: 'ETH',
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numberOfDecimals: 4,
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}),
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convertedCurrency,
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conversionRate,
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);
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return convertedTotal;
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}
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export function sumHexWEIsToRenderableFiat(
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hexWEIs,
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convertedCurrency,
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conversionRate,
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) {
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const convertedTotal = sumHexWEIsToUnformattedFiat(
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hexWEIs,
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convertedCurrency,
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conversionRate,
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);
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return formatCurrency(convertedTotal, convertedCurrency);
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}
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