metamask-extension/ui/contexts/gasFee.js

import React, { createContext, useContext } from 'react';
import PropTypes from 'prop-types';
import { useGasFeeInputs } from '../hooks/gasFeeInput/useGasFeeInputs';

export const GasFeeContext = createContext({});

export const GasFeeContextProvider = ({
  children,
  defaultEstimateToUse,
  transaction,
  minimumGasLimit,
  editGasMode,
}) => {
  const gasFeeDetails = useGasFeeInputs(
    defaultEstimateToUse,
    transaction,
    minimumGasLimit,
    editGasMode,
  );
  return (
    <GasFeeContext.Provider value={gasFeeDetails}>
      {children}
    </GasFeeContext.Provider>
  );
};

export function useGasFeeContext() {
  return useContext(GasFeeContext);
}

GasFeeContextProvider.propTypes = {
  children: PropTypes.node.isRequired,
  defaultEstimateToUse: PropTypes.string,
  transaction: PropTypes.object,
  minimumGasLimit: PropTypes.string,
  editGasMode: PropTypes.string,
};