mirror of
https://github.com/kremalicious/metamask-extension.git
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75 lines
2.3 KiB
JavaScript
75 lines
2.3 KiB
JavaScript
import { useState } from 'react';
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import { isEqual } from 'lodash';
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import {
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GasEstimateTypes,
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CUSTOM_GAS_ESTIMATE,
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} from '../../../shared/constants/gas';
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import { isLegacyTransaction } from '../../helpers/utils/transactions.util';
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import { hexWEIToDecGWEI } from '../../../shared/modules/conversion.utils';
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import { feeParamsAreCustom } from './utils';
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function getGasPriceEstimate(gasFeeEstimates, gasEstimateType, estimateToUse) {
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if (gasEstimateType === GasEstimateTypes.legacy) {
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return gasFeeEstimates?.[estimateToUse] ?? '0';
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} else if (gasEstimateType === GasEstimateTypes.ethGasPrice) {
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return gasFeeEstimates?.gasPrice ?? '0';
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}
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return '0';
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}
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/**
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* @typedef {object} GasPriceInputsReturnType
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* @property {DecGweiString} [gasPrice] - the gasPrice input value.
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* @property {(DecGweiString) => void} setGasPrice - state setter method to update the gasPrice.
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* @property {(boolean) => true} setGasPriceHasBeenManuallySet - state setter method to update gasPriceHasBeenManuallySet
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* field gasPriceHasBeenManuallySet is used in gasPrice calculations.
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*/
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/**
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* @param options
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* @param options.estimateToUse
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* @param options.gasEstimateType
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* @param options.gasFeeEstimates
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* @param options.transaction
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* @returns {GasPriceInputsReturnType}
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*/
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export function useGasPriceInput({
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estimateToUse,
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gasEstimateType,
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gasFeeEstimates,
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transaction,
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}) {
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const [gasPriceHasBeenManuallySet, setGasPriceHasBeenManuallySet] = useState(
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transaction?.userFeeLevel === CUSTOM_GAS_ESTIMATE,
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);
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const [gasPrice, setGasPrice] = useState(() => {
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const { gasPrice: txGasPrice } = transaction?.txParams || {};
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return txGasPrice && feeParamsAreCustom(transaction)
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? Number(hexWEIToDecGWEI(txGasPrice))
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: null;
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});
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const [initialGasPriceEstimates] = useState(gasFeeEstimates);
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const gasPriceEstimatesHaveNotChanged = isEqual(
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initialGasPriceEstimates,
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gasFeeEstimates,
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);
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const gasPriceToUse =
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gasPrice !== null &&
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(gasPriceHasBeenManuallySet ||
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gasPriceEstimatesHaveNotChanged ||
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isLegacyTransaction(transaction?.txParams))
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? gasPrice
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: getGasPriceEstimate(gasFeeEstimates, gasEstimateType, estimateToUse);
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return {
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gasPrice: gasPriceToUse,
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setGasPrice,
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setGasPriceHasBeenManuallySet,
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};
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}
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