33 lines
1.2 KiB
TypeScript
33 lines
1.2 KiB
TypeScript
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import { useCallback } from 'react';
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import { useBridgeContract } from '@vegaprotocol/web3';
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import BigNumber from 'bignumber.js';
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import type { Asset } from '@vegaprotocol/react-helpers';
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import { addDecimal } from '@vegaprotocol/react-helpers';
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/**
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* Returns a function to get the threshold amount for a withdrawal. If a withdrawal amount
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* is greater than this value it will incur a delay before being able to be completed. The delay is set
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* on the smart contract and can be retrieved using contract.default_withdraw_delay
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*/
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export const useGetWithdrawThreshold = () => {
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const contract = useBridgeContract();
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const getThreshold = useCallback(
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async (asset: Asset | undefined) => {
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if (!contract || asset?.source.__typename !== 'ERC20') {
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return new BigNumber(Infinity);
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}
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const res = await contract.get_withdraw_threshold(
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asset.source.contractAddress
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);
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const value = new BigNumber(addDecimal(res.toString(), asset.decimals));
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const threshold = value.isEqualTo(0)
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? new BigNumber(Infinity)
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: value.minus(new BigNumber(addDecimal('1', asset.decimals)));
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return threshold;
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},
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[contract]
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);
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return getThreshold;
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};
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