mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-11-27 12:56:01 +01:00
80 lines
2.6 KiB
JavaScript
80 lines
2.6 KiB
JavaScript
import { useEffect } from 'react';
|
|
import { useSelector } from 'react-redux';
|
|
import { GAS_ESTIMATE_TYPES } from '../../shared/constants/gas';
|
|
import {
|
|
getEstimatedGasFeeTimeBounds,
|
|
getGasEstimateType,
|
|
getGasFeeEstimates,
|
|
isEIP1559Network,
|
|
} from '../ducks/metamask/metamask';
|
|
import {
|
|
disconnectGasFeeEstimatePoller,
|
|
getGasFeeEstimatesAndStartPolling,
|
|
} from '../store/actions';
|
|
|
|
/**
|
|
* @typedef {keyof typeof GAS_ESTIMATE_TYPES} GasEstimateTypes
|
|
*/
|
|
|
|
/**
|
|
* @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 supportsEIP1559 = useSelector(isEIP1559Network);
|
|
const gasEstimateType = useSelector(getGasEstimateType);
|
|
const gasFeeEstimates = useSelector(getGasFeeEstimates);
|
|
const estimatedGasFeeTimeBounds = useSelector(getEstimatedGasFeeTimeBounds);
|
|
useEffect(() => {
|
|
let active = true;
|
|
let pollToken;
|
|
getGasFeeEstimatesAndStartPolling().then((newPollToken) => {
|
|
if (active) {
|
|
pollToken = newPollToken;
|
|
} else {
|
|
disconnectGasFeeEstimatePoller(newPollToken);
|
|
}
|
|
});
|
|
return () => {
|
|
active = false;
|
|
if (pollToken) {
|
|
disconnectGasFeeEstimatePoller(pollToken);
|
|
}
|
|
};
|
|
}, []);
|
|
|
|
// We consider the gas estimate to be loading if the gasEstimateType is
|
|
// 'NONE' or if the current gasEstimateType does not match the type we expect
|
|
// for the current network. e.g, a ETH_GASPRICE estimate when on a network
|
|
// supporting EIP-1559.
|
|
const isGasEstimatesLoading =
|
|
gasEstimateType === GAS_ESTIMATE_TYPES.NONE ||
|
|
(supportsEIP1559 && gasEstimateType !== GAS_ESTIMATE_TYPES.FEE_MARKET) ||
|
|
(!supportsEIP1559 && gasEstimateType === GAS_ESTIMATE_TYPES.FEE_MARKET);
|
|
|
|
return {
|
|
gasFeeEstimates,
|
|
gasEstimateType,
|
|
estimatedGasFeeTimeBounds,
|
|
isGasEstimatesLoading,
|
|
};
|
|
}
|