MyCrypto/spec/libs/erc20.spec.ts

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import Big from 'bignumber.js';
import ERC20 from 'libs/erc20';
import abi from 'ethereumjs-abi';
const MEW_ADDRESS = '0x7cB57B5A97eAbe94205C07890BE4c1aD31E486A8';
describe('ERC20', () => {
describe('balanceOf', () => {
it('should generate the correct data for checking the balance', () => {
const data = ERC20.balanceOf(MEW_ADDRESS);
expect(data).toBe(
'0x70a082310000000000000000000000007cb57b5a97eabe94205c07890be4c1ad31e486a8'
);
});
});
describe('transfer', () => {
it('should generate the correct data for a transfer', () => {
// Test data generated by sending 1 GNT to the MEW address
const value = new Big('1').times(new Big(10).pow(18));
const data = ERC20.transfer(MEW_ADDRESS, value);
expect(data).toBe(
'0xa9059cbb0000000000000000000000007cb57b5a97eabe94205c07890be4c1ad31e486a80000000000000000000000000000000000000000000000000de0b6b3a7640000'
);
});
});
describe('$transfer', () => {
// Test data generated by sending 0.001 GNT to the MEW address
it('should return the correct transaction given some data', () => {
const tx = ERC20.$transfer(
'0xa9059cbb0000000000000000000000007cb57b5a97eabe94205c07890be4c1ad31e486a800000000000000000000000000000000000000000000000000038d7ea4c68000'
);
expect(tx.to).toBe(MEW_ADDRESS);
expect(tx.value).toBe(
new Big('0.001').times(new Big(10).pow(18)).toString()
);
});
});
});