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@radixdlt/uint256

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@radixdlt/uint256

unsigned 256bit integer type for javascript and typescript

    1.1.0latest

Version published
Maintainers
3
Yearly downloads
4,328
increased by361.9%

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Source

uint256

Unsigned 256 bit Integer type

npm

Install

npm install uint256

Usage

import { UInt256, U256 } from 'uint256'; const now = Date.now(); const scale = 18; const digits = U256(10).pow(scale); const POUND = (number: number) => U256(number).mul(digits); const toPound = (number: UInt256, fraction = false) => { if (!fraction) { return String(number.div(digits)); } const str = String(number); if (scale < 1) { return str; } return `${str.substring(0, str.length - scale)}.${str.substr(-scale)}`; }; const a = POUND(11000); const b = POUND(20000); console.log('scale', scale); console.log('a', toPound(a)); console.log('b', toPound(b)); console.log('mul', toPound(a.mul(b).div(digits))); console.log('add', toPound(a.add(b))); console.log('div', toPound(b.div(a.div(digits)), true)); console.log('sub', toPound(b.sub(a))); console.log('elapsed(ms)', Date.now() - now); // scale 18 // a 11000 // b 20000 // mul 220000000 // add 31000 // div 1.818181818181818181 // sub 9000 // elapsed(ms) 8

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