import { BigNumber } from '@0xproject/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, }, ]); }); }); });