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83 lines
2.3 KiB
83 lines
2.3 KiB
import { useEffect, useState } from 'react';
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import { useSelector } from 'react-redux';
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import BigNumber from 'bignumber.js';
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import { GAS_ESTIMATE_TYPES } from '../../../../../shared/constants/gas';
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import {
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getGasEstimateType,
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getIsGasEstimatesLoading,
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} from '../../../../ducks/metamask/metamask';
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import { getGasFeeTimeEstimate } from '../../../../store/actions';
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export const useCustomTimeEstimate = ({
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gasFeeEstimates,
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maxFeePerGas,
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maxPriorityFeePerGas,
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}) => {
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const gasEstimateType = useSelector(getGasEstimateType);
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const isGasEstimatesLoading = useSelector(getIsGasEstimatesLoading);
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const [customEstimatedTime, setCustomEstimatedTime] = useState(null);
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const returnNoEstimates =
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isGasEstimatesLoading ||
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gasEstimateType !== GAS_ESTIMATE_TYPES.FEE_MARKET ||
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!maxPriorityFeePerGas;
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// If the user has chosen a value lower than the low gas fee estimate,
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// We'll need to use the useEffect hook below to make a call to calculate
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// the time to show
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const isUnknownLow =
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gasFeeEstimates?.low &&
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Number(maxPriorityFeePerGas) <
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Number(gasFeeEstimates.low.suggestedMaxPriorityFeePerGas);
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useEffect(() => {
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if (
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isGasEstimatesLoading ||
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gasEstimateType !== GAS_ESTIMATE_TYPES.FEE_MARKET ||
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!maxPriorityFeePerGas
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)
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return;
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if (isUnknownLow) {
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// getGasFeeTimeEstimate requires parameters in string format
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getGasFeeTimeEstimate(
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new BigNumber(maxPriorityFeePerGas, 10).toString(10),
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new BigNumber(maxFeePerGas, 10).toString(10),
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).then((result) => {
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setCustomEstimatedTime(result);
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});
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}
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}, [
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gasEstimateType,
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isUnknownLow,
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isGasEstimatesLoading,
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maxFeePerGas,
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maxPriorityFeePerGas,
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returnNoEstimates,
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]);
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if (returnNoEstimates) {
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return {};
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}
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const { low = {}, medium = {}, high = {} } = gasFeeEstimates;
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let waitTimeEstimate = '';
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if (
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isUnknownLow &&
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customEstimatedTime &&
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customEstimatedTime !== 'unknown' &&
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customEstimatedTime?.upperTimeBound !== 'unknown'
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) {
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waitTimeEstimate = Number(customEstimatedTime?.upperTimeBound);
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} else if (
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Number(maxPriorityFeePerGas) >= Number(medium.suggestedMaxPriorityFeePerGas)
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) {
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waitTimeEstimate = high.minWaitTimeEstimate;
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} else {
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waitTimeEstimate = low.maxWaitTimeEstimate;
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}
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return { waitTimeEstimate };
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};
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