mirror of
https://github.com/status-im/ens-usernames.git
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3d37a0a1c9
* trim trailing spaces * update to embark 4.0.2 * bump to solc 0.5.4 * use .selector * use solidity function selector * update to embark 6.0.0 * use mocks instead of "instanceOf" tool+tests fix * update to solidity 0.5.11 * update to solidity 0.5.11 * add spdx license identifiers * update ENS contracts * natspec fix return values
18 lines
721 B
JavaScript
18 lines
721 B
JavaScript
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import BigNumber from 'bignumber.js';
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// By default BigNumber's `toString` method converts to exponential notation if the value has
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// more then 20 digits. We want to avoid this behavior, so we set EXPONENTIAL_AT to a high number
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BigNumber.config({
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EXPONENTIAL_AT: 1000,
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});
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const unlimitedAllowance = new BigNumber(2).pow(256).sub(1);
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export const getDefaultAccount = () => web3.eth.defaultAccount;
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export const toggleApproved = (token, spender, approved, onlyApprove = false) => {
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const isApproved = !!Number(approved);
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if (isApproved && onlyApprove) return;
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const { approve } = token.methods;
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const amountToApprove = isApproved ? 0 : unlimitedAllowance;
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return approve(spender,amountToApprove).send();
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}
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