MyCrypto/spec/libs/units.spec.ts

134 lines
3.8 KiB
TypeScript

import configuredStore from 'features/store';
import {
fromWei,
Wei,
toWei,
toTokenBase,
fromTokenBase,
getDecimalFromEtherUnit,
convertTokenBase,
TokenValue
} from 'libs/units';
configuredStore.getState();
const Units = {
wei: '1',
kwei: '1000',
ada: '1000',
femtoether: '1000',
mwei: '1000000',
babbage: '1000000',
picoether: '1000000',
gwei: '1000000000',
shannon: '1000000000',
nanoether: '1000000000',
nano: '1000000000',
szabo: '1000000000000',
microether: '1000000000000',
micro: '1000000000000',
finney: '1000000000000000',
milliether: '1000000000000000',
milli: '1000000000000000',
ether: '1000000000000000000',
kether: '1000000000000000000000',
grand: '1000000000000000000000',
einstein: '1000000000000000000000',
mether: '1000000000000000000000000',
gether: '1000000000000000000000000000',
tether: '1000000000000000000000000000000'
};
describe('Units', () => {
describe('ethereum units', () => {
describe('ether', () => {
const wei = Wei(Units.ether);
const ether = fromWei(wei, 'ether');
it('should equal one ether', () => {
expect(ether).toEqual('1');
});
it('should equal 1 * 10^18 wei', () => {
const converted = toWei(ether, getDecimalFromEtherUnit('ether'));
expect(converted.toString()).toEqual(Units.ether);
});
});
describe('gwei', () => {
const wei = Wei(`2${Units.gwei}`);
const gwei = fromWei(wei, 'gwei');
it('should equal 21 gwei', () => {
expect(gwei).toEqual('21');
});
it('should equal 21 * 10^9 wei', () => {
const converted = toWei(gwei, getDecimalFromEtherUnit('gwei'));
expect(converted.toString()).toEqual(wei.toString());
});
});
describe('kwei', () => {
const wei = Wei('1623');
const kwei = fromWei(wei, 'kwei');
it('should equal 1.623 kwei', () => {
expect(kwei).toEqual('1.623');
});
it('should equal 1.623 * 10^3 wei', () => {
const converted = toWei(kwei, getDecimalFromEtherUnit('kwei'));
expect(converted.toString()).toEqual('1623');
});
});
});
describe('token units', () => {
describe('token 1', () => {
const tokens = '732156.34592016';
const decimal = 18;
const tokenBase = toTokenBase(tokens, decimal);
it('toTokenBase should equal 732156345920160000000000', () => {
expect(tokenBase.toString()).toEqual('732156345920160000000000');
});
it('fromTokenBase should equal 732156.34592016', () => {
expect(fromTokenBase(tokenBase, decimal)).toEqual(tokens);
});
});
describe('token 2', () => {
const tokens = '8000';
const decimal = 8;
const converted = fromTokenBase(TokenValue(tokens), decimal);
it('fromTokenBase should equal 0.00008', () => {
expect(converted).toEqual('0.00008');
});
it('toTokenBase should equal 8000', () => {
expect(toTokenBase(converted, decimal));
});
});
describe('convertTokenBase', () => {
const conversions = [
{
oldDecimal: 0,
newDecimal: 18,
startValue: '42',
endValue: '42000000000000000000'
},
{
oldDecimal: 6,
newDecimal: 12,
startValue: '547834782',
endValue: '547834782000000'
},
{
oldDecimal: 18,
newDecimal: 18,
startValue: '311095801958902158012580',
endValue: '311095801958902158012580'
}
];
conversions.forEach(c => {
it(`should convert decimal ${c.oldDecimal} to decimal ${c.newDecimal}`, () => {
const tokenValue = TokenValue(c.startValue);
const converted = convertTokenBase(tokenValue, c.oldDecimal, c.newDecimal);
expect(converted.toString()).toEqual(c.endValue);
});
});
});
});
});