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ee205b893f
* create custom addHexPrefix function * switch to custom addHexPrefix Co-authored-by: Mark Stacey <markjstacey@gmail.com> Co-authored-by: Erik Marks <rekmarks@protonmail.com>
20 lines
614 B
JavaScript
20 lines
614 B
JavaScript
import {
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multiplyCurrencies,
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subtractCurrencies,
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} from '../../../../../helpers/utils/conversion-util'
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import { addHexPrefix } from '../../../../../../../app/scripts/lib/util'
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export function calcMaxAmount({ balance, gasTotal, sendToken, tokenBalance }) {
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const { decimals } = sendToken || {}
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const multiplier = Math.pow(10, Number(decimals || 0))
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return sendToken
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? multiplyCurrencies(tokenBalance, multiplier, {
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toNumericBase: 'hex',
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multiplicandBase: 16,
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})
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: subtractCurrencies(addHexPrefix(balance), addHexPrefix(gasTotal), {
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toNumericBase: 'hex',
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})
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}
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