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-rw-r--r--ui/app/components/bn-as-decimal-input.js29
1 files changed, 26 insertions, 3 deletions
diff --git a/ui/app/components/bn-as-decimal-input.js b/ui/app/components/bn-as-decimal-input.js
index d0eebe09e..fbe36abfb 100644
--- a/ui/app/components/bn-as-decimal-input.js
+++ b/ui/app/components/bn-as-decimal-input.js
@@ -30,8 +30,8 @@ BnAsDecimalInput.prototype.render = function () {
const suffix = props.suffix
const style = props.style
- const scale = Math.pow(10, precision)
- const newValue = value.toNumber(10) / scale
+ const valueString = value.toString(10)
+ const newValue = downsize(valueString, precision, precision)
return (
h('.flex-column', [
@@ -63,7 +63,9 @@ BnAsDecimalInput.prototype.render = function () {
onChange: (event) => {
this.updateValidity(event)
const value = (event.target.value === '') ? '' : event.target.value
- const scaledNumber = Math.floor(scale * value)
+
+
+ const scaledNumber = upsize(value, precision, precision)
const precisionBN = new BN(scaledNumber, 10)
onChange(precisionBN)
},
@@ -141,3 +143,24 @@ BnAsDecimalInput.prototype.constructWarning = function () {
return message
}
+
+
+function downsize (number, scale, precision) {
+ if (scale === 0) {
+ return Number(number)
+ } else {
+ var decimals = (scale === precision) ? -1 : scale - precision
+ return Number(number.slice(0, -scale) + '.' + number.slice(-scale, decimals))
+ }
+}
+
+function upsize (number, scale, precision) {
+ var string = number.toString()
+ var stringArray = string.split('.')
+ var decimalLength = stringArray[1] ? stringArray[1].length : 0
+ var newString = ((scale === 0) || (decimalLength === 0)) ? stringArray[0] : stringArray[0] + stringArray[1].slice(0, precision)
+ for (var i = decimalLength; i < scale; i++) {
+ newString += '0'
+ }
+ return newString
+}