A Metamask fork with Infura removed and default networks editable
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ciphermask/ui/helpers/utils/gas.js

52 lines
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import BigNumber from 'bignumber.js';
import { addHexPrefix } from 'ethereumjs-util';
import { multiplyCurrencies } from '../../../shared/modules/conversion.utils';
import { bnGreaterThan } from './util';
import { hexWEIToDecGWEI } from './conversions.util';
export const gasEstimateGreaterThanGasUsedPlusTenPercent = (
transaction,
gasFeeEstimates,
estimate,
) => {
let { maxFeePerGas: maxFeePerGasInTransaction } = transaction.txParams;
maxFeePerGasInTransaction = new BigNumber(
hexWEIToDecGWEI(addTenPercentAndRound(maxFeePerGasInTransaction)),
);
const maxFeePerGasFromEstimate =
gasFeeEstimates[estimate]?.suggestedMaxFeePerGas;
return bnGreaterThan(maxFeePerGasFromEstimate, maxFeePerGasInTransaction);
};
/**
* Simple helper to save on duplication to multiply the supplied wei hex string
* by 1.10 to get bare minimum new gas fee.
*
* @param {string | undefined} hexStringValue - hex value in wei to be incremented
* @returns {string | undefined} - hex value in WEI 10% higher than the param.
*/
export function addTenPercent(hexStringValue, conversionOptions = {}) {
if (hexStringValue === undefined) return undefined;
return addHexPrefix(
multiplyCurrencies(hexStringValue, 1.1, {
toNumericBase: 'hex',
multiplicandBase: 16,
multiplierBase: 10,
numberOfDecimals: 0,
...conversionOptions,
}),
);
}
/**
* Simple helper to save on duplication to multiply the supplied wei hex string
* by 1.10 to get bare minimum new gas fee.
*
* @param {string | undefined} hexStringValue - hex value in wei to be incremented
* @returns {string | undefined} - hex value in WEI 10% higher than the param.
*/
export function addTenPercentAndRound(hexStringValue) {
return addTenPercent(hexStringValue, { numberOfDecimals: 0 });
}