45 lines
1.0 KiB
JavaScript
45 lines
1.0 KiB
JavaScript
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// @flow
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import Big from 'big.js';
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const UNITS = {
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wei: '1',
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kwei: '1000',
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ada: '1000',
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femtoether: '1000',
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mwei: '1000000',
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babbage: '1000000',
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picoether: '1000000',
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gwei: '1000000000',
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shannon: '1000000000',
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nanoether: '1000000000',
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nano: '1000000000',
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szabo: '1000000000000',
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microether: '1000000000000',
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micro: '1000000000000',
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finney: '1000000000000000',
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milliether: '1000000000000000',
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milli: '1000000000000000',
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ether: '1000000000000000000',
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kether: '1000000000000000000000',
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grand: '1000000000000000000000',
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einstein: '1000000000000000000000',
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mether: '1000000000000000000000000',
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gether: '1000000000000000000000000000',
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tether: '1000000000000000000000000000000'
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};
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type UNIT = $Keys<typeof UNITS>;
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function getValueOfUnit(unit: UNIT) {
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return new Big(UNITS[unit]);
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}
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export function toEther(number: Big, unit: UNIT) {
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return toWei(number, unit).div(getValueOfUnit('ether'));
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}
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export function toWei(number: Big, unit: UNIT): Big {
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return number.times(getValueOfUnit(unit));
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}
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