mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-23 09:52:26 +01:00
79 lines
1.5 KiB
JavaScript
79 lines
1.5 KiB
JavaScript
const {
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addCurrencies,
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conversionUtil,
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conversionGTE,
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multiplyCurrencies,
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} = require('../../conversion-util')
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const {
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calcTokenAmount,
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} = require('../../token-util')
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function isBalanceSufficient ({
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amount = '0x0',
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gasTotal = '0x0',
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balance,
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primaryCurrency,
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amountConversionRate,
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conversionRate,
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}) {
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const totalAmount = addCurrencies(amount, gasTotal, {
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aBase: 16,
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bBase: 16,
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toNumericBase: 'hex',
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})
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const balanceIsSufficient = conversionGTE(
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{
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value: balance,
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fromNumericBase: 'hex',
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fromCurrency: primaryCurrency,
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conversionRate,
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},
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{
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value: totalAmount,
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fromNumericBase: 'hex',
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conversionRate: amountConversionRate || conversionRate,
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fromCurrency: primaryCurrency,
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},
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)
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return balanceIsSufficient
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}
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function isTokenBalanceSufficient ({
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amount = '0x0',
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tokenBalance,
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decimals,
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}) {
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const amountInDec = conversionUtil(amount, {
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fromNumericBase: 'hex',
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})
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const tokenBalanceIsSufficient = conversionGTE(
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{
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value: tokenBalance,
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fromNumericBase: 'dec',
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},
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{
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value: calcTokenAmount(amountInDec, decimals),
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fromNumericBase: 'dec',
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},
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)
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return tokenBalanceIsSufficient
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}
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function getGasTotal (gasLimit, gasPrice) {
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return multiplyCurrencies(gasLimit, gasPrice, {
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toNumericBase: 'hex',
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multiplicandBase: 16,
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multiplierBase: 16,
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})
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}
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module.exports = {
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getGasTotal,
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isBalanceSufficient,
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isTokenBalanceSufficient,
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}
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