A Metamask fork with Infura removed and default networks editable
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ciphermask/ui/app/pages/send/send-content/send-amount-row/amount-max-button/amount-max-button.utils.js

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680 B

import {
multiplyCurrencies,
subtractCurrencies,
} from '../../../../../helpers/utils/conversion-util'
import { addHexPrefix } from '../../../../../../../app/scripts/lib/util'
export function calcMaxAmount({ balance, gasTotal, sendToken, tokenBalance }) {
const { decimals } = sendToken || {}
const multiplier = Math.pow(10, Number(decimals || 0))
return sendToken
? multiplyCurrencies(tokenBalance, multiplier, {
toNumericBase: 'hex',
multiplicandBase: 16,
multiplierBase: 10,
})
: subtractCurrencies(addHexPrefix(balance), addHexPrefix(gasTotal), {
toNumericBase: 'hex',
aBase: 16,
bBase: 16,
})
}