From d0c901d081e3b40a191dcb826fda7925d16df92c Mon Sep 17 00:00:00 2001 From: Alexander Tseung Date: Thu, 26 Jul 2018 12:15:34 -0700 Subject: Round large exponential numbers --- ui/app/helpers/confirm-transaction/util.js | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'ui/app/helpers/confirm-transaction') diff --git a/ui/app/helpers/confirm-transaction/util.js b/ui/app/helpers/confirm-transaction/util.js index f015b2bf5..a37778c19 100644 --- a/ui/app/helpers/confirm-transaction/util.js +++ b/ui/app/helpers/confirm-transaction/util.js @@ -3,6 +3,7 @@ import currencies from 'currency-formatter/currencies' import abi from 'human-standard-token-abi' import abiDecoder from 'abi-decoder' import ethUtil from 'ethereumjs-util' +import BigNumber from 'bignumber.js' abiDecoder.addABI(abi) @@ -137,3 +138,11 @@ export function convertTokenToFiat ({ export function hasUnconfirmedTransactions (state) { return unconfirmedTransactionsCountSelector(state) > 0 } + +export function roundExponential (value) { + const PRECISION = 4 + const bigNumberValue = new BigNumber(value) + + // In JS, numbers with exponentials greater than 20 get displayed as an exponential. + return bigNumberValue.e > 20 ? Number(bigNumberValue.toPrecision(PRECISION)) : value +} -- cgit v1.2.3