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metamask-extension/ui/hooks/useGasFeeEstimates.js

46 lines
1.6 KiB
JavaScript

import { useSelector } from 'react-redux';
import {
getEstimatedGasFeeTimeBounds,
getGasEstimateType,
getGasFeeEstimates,
getIsGasEstimatesLoading,
} from '../ducks/metamask/metamask';
import { useSafeGasEstimatePolling } from './useSafeGasEstimatePolling';
/**
* @typedef {object} GasEstimates
* @property {GasEstimateTypes} gasEstimateType - The type of estimate provided
* @property {import(
* '@metamask/controllers'
* ).GasFeeState['gasFeeEstimates']} gasFeeEstimates - The estimate object
* @property {import(
* '@metamask/controllers'
* ).GasFeeState['estimatedGasFeeTimeBounds']} [estimatedGasFeeTimeBounds] -
* estimated time boundaries for fee-market type estimates
* @property {boolean} isGasEstimateLoading - indicates whether the gas
* estimates are currently loading.
*/
/**
* Gets the current gasFeeEstimates from state and begins polling for new
* estimates. When this hook is removed from the tree it will signal to the
* GasFeeController that it is done requiring new gas estimates. Also checks
* the returned gas estimate for validity on the current network.
*
* @returns {GasFeeEstimates} - GasFeeEstimates object
*/
export function useGasFeeEstimates() {
const gasEstimateType = useSelector(getGasEstimateType);
const gasFeeEstimates = useSelector(getGasFeeEstimates);
const estimatedGasFeeTimeBounds = useSelector(getEstimatedGasFeeTimeBounds);
const isGasEstimatesLoading = useSelector(getIsGasEstimatesLoading);
useSafeGasEstimatePolling();
return {
gasFeeEstimates,
gasEstimateType,
estimatedGasFeeTimeBounds,
isGasEstimatesLoading,
};
}