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import { BigNumber } from '@0x/utils';
import * as chai from 'chai';
import 'mocha';
import { formatABIDataItem } from '../src/utils';
const { expect } = chai;
describe('Utils tests', () => {
describe('#formatABIDataItem', () => {
it('correctly handles arrays', () => {
const calls: Array<{ type: string; value: any }> = [];
const abi = {
name: 'values',
type: 'uint256[]',
};
const val = [1, 2, 3];
const formatted = formatABIDataItem(abi, val, (type: string, value: any) => {
calls.push({ type, value });
return value; // no-op
});
expect(formatted).to.be.deep.equal(val);
expect(calls).to.be.deep.equal([
{ type: 'uint256', value: 1 },
{ type: 'uint256', value: 2 },
{ type: 'uint256', value: 3 },
]);
});
it('correctly handles tuples', () => {
const calls: Array<{ type: string; value: any }> = [];
const abi = {
components: [
{
name: 'to',
type: 'address',
},
{
name: 'amount',
type: 'uint256',
},
],
name: 'data',
type: 'tuple',
};
const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
const val = { to: ZERO_ADDRESS, amount: new BigNumber(1) };
const formatted = formatABIDataItem(abi, val, (type: string, value: any) => {
calls.push({ type, value });
return value; // no-op
});
expect(formatted).to.be.deep.equal(val);
expect(calls).to.be.deep.equal([
{
type: 'address',
value: val.to,
},
{
type: 'uint256',
value: val.amount,
},
]);
});
it('correctly handles nested arrays of tuples', () => {
const calls: Array<{ type: string; value: any }> = [];
const abi = {
components: [
{
name: 'to',
type: 'address',
},
{
name: 'amount',
type: 'uint256',
},
],
name: 'data',
type: 'tuple[2][]',
};
const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
const val = [
[{ to: ZERO_ADDRESS, amount: new BigNumber(1) }, { to: ZERO_ADDRESS, amount: new BigNumber(2) }],
];
const formatted = formatABIDataItem(abi, val, (type: string, value: any) => {
calls.push({ type, value });
return value; // no-op
});
expect(formatted).to.be.deep.equal(val);
expect(calls).to.be.deep.equal([
{
type: 'address',
value: val[0][0].to,
},
{
type: 'uint256',
value: val[0][0].amount,
},
{
type: 'address',
value: val[0][1].to,
},
{
type: 'uint256',
value: val[0][1].amount,
},
]);
});
});
});
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