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author | Dan <danjm.com@gmail.com> | 2018-06-20 23:48:23 +0800 |
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committer | Whymarrh Whitby <whymarrh.whitby@gmail.com> | 2018-07-16 23:28:32 +0800 |
commit | b3d78ed8a1fbea059344b04416fb21bdb1b73f86 (patch) | |
tree | 6a2d8f6dda690961331c9bcbf5e2c6bf7102bced /ui/app/components/send/send-content/send-amount-row/amount-max-button/amount-max-button.utils.js | |
parent | f31e87dcd5cec09e81c741e311efc3793c9d9b98 (diff) | |
download | tangerine-wallet-browser-b3d78ed8a1fbea059344b04416fb21bdb1b73f86.tar.gz tangerine-wallet-browser-b3d78ed8a1fbea059344b04416fb21bdb1b73f86.tar.zst tangerine-wallet-browser-b3d78ed8a1fbea059344b04416fb21bdb1b73f86.zip |
Remove send_ directory, revert to just having send
Revert accidentally changed constants.
Require defaults in ens-input, gas-fee-display and confirm screens.
Diffstat (limited to 'ui/app/components/send/send-content/send-amount-row/amount-max-button/amount-max-button.utils.js')
-rw-r--r-- | ui/app/components/send/send-content/send-amount-row/amount-max-button/amount-max-button.utils.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/ui/app/components/send/send-content/send-amount-row/amount-max-button/amount-max-button.utils.js b/ui/app/components/send/send-content/send-amount-row/amount-max-button/amount-max-button.utils.js new file mode 100644 index 000000000..b490a7fd7 --- /dev/null +++ b/ui/app/components/send/send-content/send-amount-row/amount-max-button/amount-max-button.utils.js @@ -0,0 +1,22 @@ +const { + multiplyCurrencies, + subtractCurrencies, +} = require('../../../../../conversion-util') +const ethUtil = require('ethereumjs-util') + +function calcMaxAmount ({ balance, gasTotal, selectedToken, tokenBalance }) { + const { decimals } = selectedToken || {} + const multiplier = Math.pow(10, Number(decimals || 0)) + + return selectedToken + ? multiplyCurrencies(tokenBalance, multiplier, {toNumericBase: 'hex'}) + : subtractCurrencies( + ethUtil.addHexPrefix(balance), + ethUtil.addHexPrefix(gasTotal), + { toNumericBase: 'hex' } + ) +} + +module.exports = { + calcMaxAmount, +} |