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author | Csaba S <csaba.solya@gmail.com> | 2018-02-22 21:55:46 +0800 |
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committer | GitHub <noreply@github.com> | 2018-02-22 21:55:46 +0800 |
commit | 2f3463048685759319eb320c916cc7bc23a41649 (patch) | |
tree | e53ac24a1a127f1c684327bca00d23f51b56c542 /ui/app/components/send/send-utils.js | |
parent | 5ec311ba3e01bd9b0a9ff447fd7639d22a7b3d9c (diff) | |
parent | eed75735b8e90d121537249cf147c1ece60f1e47 (diff) | |
download | tangerine-wallet-browser-2f3463048685759319eb320c916cc7bc23a41649.tar.gz tangerine-wallet-browser-2f3463048685759319eb320c916cc7bc23a41649.tar.zst tangerine-wallet-browser-2f3463048685759319eb320c916cc7bc23a41649.zip |
Merge branch 'master' into edge-support
Diffstat (limited to 'ui/app/components/send/send-utils.js')
-rw-r--r-- | ui/app/components/send/send-utils.js | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/ui/app/components/send/send-utils.js b/ui/app/components/send/send-utils.js new file mode 100644 index 000000000..d8211930d --- /dev/null +++ b/ui/app/components/send/send-utils.js @@ -0,0 +1,68 @@ +const { + addCurrencies, + conversionUtil, + conversionGTE, +} = require('../../conversion-util') +const { + calcTokenAmount, +} = require('../../token-util') + +function isBalanceSufficient ({ + amount = '0x0', + gasTotal = '0x0', + balance, + primaryCurrency, + amountConversionRate, + conversionRate, +}) { + const totalAmount = addCurrencies(amount, gasTotal, { + aBase: 16, + bBase: 16, + toNumericBase: 'hex', + }) + + const balanceIsSufficient = conversionGTE( + { + value: balance, + fromNumericBase: 'hex', + fromCurrency: primaryCurrency, + conversionRate, + }, + { + value: totalAmount, + fromNumericBase: 'hex', + conversionRate: amountConversionRate, + fromCurrency: primaryCurrency, + }, + ) + + return balanceIsSufficient +} + +function isTokenBalanceSufficient ({ + amount = '0x0', + tokenBalance, + decimals, +}) { + const amountInDec = conversionUtil(amount, { + fromNumericBase: 'hex', + }) + + const tokenBalanceIsSufficient = conversionGTE( + { + value: tokenBalance, + fromNumericBase: 'dec', + }, + { + value: calcTokenAmount(amountInDec, decimals), + fromNumericBase: 'dec', + }, + ) + + return tokenBalanceIsSufficient +} + +module.exports = { + isBalanceSufficient, + isTokenBalanceSufficient, +} |