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metamask-extension/ui/helpers/utils/confirm-tx.util.js

190 lines
4.9 KiB
JavaScript

import currencyFormatter from 'currency-formatter';
import currencies from 'currency-formatter/currencies';
import BigNumber from 'bignumber.js';
import { addHexPrefix } from '../../../app/scripts/lib/util';
import { unconfirmedTransactionsCountSelector } from '../../selectors';
import {
conversionUtil,
addCurrencies,
multiplyCurrencies,
conversionGreaterThan,
} from '../../../shared/modules/conversion.utils';
export function increaseLastGasPrice(lastGasPrice) {
return addHexPrefix(
multiplyCurrencies(lastGasPrice || '0x0', 1.1, {
multiplicandBase: 16,
multiplierBase: 10,
toNumericBase: 'hex',
}),
);
}
export function hexGreaterThan(a, b) {
return conversionGreaterThan(
{ value: a, fromNumericBase: 'hex' },
{ value: b, fromNumericBase: 'hex' },
);
}
export function getHexGasTotal({ gasLimit, gasPrice }) {
return addHexPrefix(
multiplyCurrencies(gasLimit || '0x0', gasPrice || '0x0', {
toNumericBase: 'hex',
multiplicandBase: 16,
multiplierBase: 16,
}),
);
}
export function addEth(...args) {
return args.reduce((acc, ethAmount) => {
return addCurrencies(acc, ethAmount, {
toNumericBase: 'dec',
numberOfDecimals: 6,
aBase: 10,
bBase: 10,
});
});
}
export function addFiat(...args) {
return args.reduce((acc, fiatAmount) => {
return addCurrencies(acc, fiatAmount, {
toNumericBase: 'dec',
numberOfDecimals: 2,
aBase: 10,
bBase: 10,
});
});
}
export function getValueFromWeiHex({
value,
fromCurrency = 'ETH',
toCurrency,
conversionRate,
numberOfDecimals,
toDenomination,
}) {
return conversionUtil(value, {
fromNumericBase: 'hex',
toNumericBase: 'dec',
fromCurrency,
toCurrency,
numberOfDecimals,
fromDenomination: 'WEI',
toDenomination,
conversionRate,
});
}
export function getTransactionFee({
value,
fromCurrency = 'ETH',
toCurrency,
conversionRate,
numberOfDecimals,
}) {
return conversionUtil(value, {
fromNumericBase: 'BN',
toNumericBase: 'dec',
fromDenomination: 'WEI',
fromCurrency,
toCurrency,
numberOfDecimals,
conversionRate,
});
}
export function formatCurrency(value, currencyCode) {
const upperCaseCurrencyCode = currencyCode.toUpperCase();
return currencies.find((currency) => currency.code === upperCaseCurrencyCode)
? currencyFormatter.format(Number(value), {
code: upperCaseCurrencyCode,
style: 'currency',
})
: value;
}
export function convertTokenToFiat({
value,
fromCurrency = 'ETH',
toCurrency,
conversionRate,
contractExchangeRate,
}) {
const totalExchangeRate = conversionRate * contractExchangeRate;
return conversionUtil(value, {
fromNumericBase: 'dec',
toNumericBase: 'dec',
fromCurrency,
toCurrency,
numberOfDecimals: 2,
conversionRate: totalExchangeRate,
});
}
export function hasUnconfirmedTransactions(state) {
return unconfirmedTransactionsCountSelector(state) > 0;
}
/**
* Rounds the given decimal string to 4 significant digits.
*
* @param {string} decimalString - The base-ten number to round.
* @returns {string} The rounded number, or the original number if no
* rounding was necessary.
*/
export function roundExponential(decimalString) {
const PRECISION = 4;
const bigNumberValue = new BigNumber(decimalString);
// In JS, numbers with exponentials greater than 20 get displayed as an exponential.
return bigNumberValue.e > 20
? bigNumberValue.toPrecision(PRECISION)
: decimalString;
}
export function areDappSuggestedAndTxParamGasFeesTheSame(txData = {}) {
const { txParams, dappSuggestedGasFees } = txData;
const {
gasPrice: txParamsGasPrice,
maxFeePerGas: txParamsMaxFeePerGas,
maxPriorityFeePerGas: txParamsMaxPriorityFeePerGas,
} = txParams || {};
const {
gasPrice: dappGasPrice,
maxFeePerGas: dappMaxFeePerGas,
maxPriorityFeePerGas: dappMaxPriorityFeePerGas,
} = dappSuggestedGasFees || {};
const txParamsDoesNotHaveFeeProperties =
!txParamsGasPrice && !txParamsMaxFeePerGas && !txParamsMaxPriorityFeePerGas;
const dappDidNotSuggestFeeProperties =
!dappGasPrice && !dappMaxFeePerGas && !dappMaxPriorityFeePerGas;
if (txParamsDoesNotHaveFeeProperties || dappDidNotSuggestFeeProperties) {
return false;
}
const txParamsGasPriceMatchesDappSuggestedGasPrice =
txParamsGasPrice && txParamsGasPrice === dappGasPrice;
const txParamsEIP1559FeesMatchDappSuggestedGasPrice = [
txParamsMaxFeePerGas,
txParamsMaxPriorityFeePerGas,
].every((fee) => fee === dappGasPrice);
const txParamsEIP1559FeesMatchDappSuggestedEIP1559Fees =
txParamsMaxFeePerGas &&
txParamsMaxFeePerGas === dappMaxFeePerGas &&
txParamsMaxPriorityFeePerGas === dappMaxPriorityFeePerGas;
return (
txParamsGasPriceMatchesDappSuggestedGasPrice ||
txParamsEIP1559FeesMatchDappSuggestedGasPrice ||
txParamsEIP1559FeesMatchDappSuggestedEIP1559Fees
);
}