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import * as chai from 'chai';
import { AssetProxyId, ERC721AssetData } from '@0x/types';
import { BigNumber } from '@0x/utils';
import { assetDataUtils } from '../src/asset_data_utils';
import { chaiSetup } from './utils/chai_setup';
chaiSetup.configure();
const expect = chai.expect;
const KNOWN_ERC20_ENCODING = {
address: '0x1dc4c1cefef38a777b15aa20260a54e584b16c48',
assetData: '0xf47261b00000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c48',
};
const KNOWN_ERC721_ENCODING = {
address: '0x1dc4c1cefef38a777b15aa20260a54e584b16c48',
tokenId: new BigNumber(1),
assetData:
'0x025717920000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c480000000000000000000000000000000000000000000000000000000000000001',
};
const KNOWN_MULTI_ASSET_ENCODING = {
amounts: [new BigNumber(1), new BigNumber(1)],
nestedAssetData: [KNOWN_ERC20_ENCODING.assetData, KNOWN_ERC721_ENCODING.assetData],
assetData:
'0x94cfcdd7000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000024f47261b00000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c48000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044025717920000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c48000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000',
};
describe('assetDataUtils', () => {
it('should encode ERC20', () => {
const assetData = assetDataUtils.encodeERC20AssetData(KNOWN_ERC20_ENCODING.address);
expect(assetData).to.equal(KNOWN_ERC20_ENCODING.assetData);
});
it('should decode ERC20', () => {
const decodedAssetData = assetDataUtils.decodeERC20AssetData(KNOWN_ERC20_ENCODING.assetData);
expect(decodedAssetData.tokenAddress).to.equal(KNOWN_ERC20_ENCODING.address);
expect(decodedAssetData.assetProxyId).to.equal(AssetProxyId.ERC20);
});
it('should encode ERC721', () => {
const assetData = assetDataUtils.encodeERC721AssetData(
KNOWN_ERC721_ENCODING.address,
KNOWN_ERC721_ENCODING.tokenId,
);
expect(assetData).to.equal(KNOWN_ERC721_ENCODING.assetData);
});
it('should decode ERC721', () => {
const decodedAssetData = assetDataUtils.decodeERC721AssetData(KNOWN_ERC721_ENCODING.assetData);
expect(decodedAssetData.tokenAddress).to.equal(KNOWN_ERC721_ENCODING.address);
expect(decodedAssetData.assetProxyId).to.equal(AssetProxyId.ERC721);
expect(decodedAssetData.tokenId).to.be.bignumber.equal(KNOWN_ERC721_ENCODING.tokenId);
});
it('should encode ERC20 and ERC721 multiAssetData', () => {
const assetData = assetDataUtils.encodeMultiAssetData(
KNOWN_MULTI_ASSET_ENCODING.amounts,
KNOWN_MULTI_ASSET_ENCODING.nestedAssetData,
);
expect(assetData).to.equal(KNOWN_MULTI_ASSET_ENCODING.assetData);
});
it('should decode ERC20 and ERC721 multiAssetData', () => {
const decodedAssetData = assetDataUtils.decodeMultiAssetData(KNOWN_MULTI_ASSET_ENCODING.assetData);
expect(decodedAssetData.assetProxyId).to.equal(AssetProxyId.MultiAsset);
expect(decodedAssetData.amounts).to.deep.equal(KNOWN_MULTI_ASSET_ENCODING.amounts);
expect(decodedAssetData.nestedAssetData).to.deep.equal(KNOWN_MULTI_ASSET_ENCODING.nestedAssetData);
});
it('should recursively decode ERC20 and ERC721 multiAssetData', () => {
const decodedAssetData = assetDataUtils.decodeMultiAssetDataRecursively(KNOWN_MULTI_ASSET_ENCODING.assetData);
expect(decodedAssetData.assetProxyId).to.equal(AssetProxyId.MultiAsset);
expect(decodedAssetData.amounts).to.deep.equal(KNOWN_MULTI_ASSET_ENCODING.amounts);
const decodedErc20AssetData = decodedAssetData.nestedAssetData[0];
// tslint:disable-next-line:no-unnecessary-type-assertion
const decodedErc721AssetData = decodedAssetData.nestedAssetData[1] as ERC721AssetData;
expect(decodedErc20AssetData.tokenAddress).to.equal(KNOWN_ERC20_ENCODING.address);
expect(decodedErc20AssetData.assetProxyId).to.equal(AssetProxyId.ERC20);
expect(decodedErc721AssetData.tokenAddress).to.equal(KNOWN_ERC721_ENCODING.address);
expect(decodedErc721AssetData.assetProxyId).to.equal(AssetProxyId.ERC721);
expect(decodedErc721AssetData.tokenId).to.be.bignumber.equal(KNOWN_ERC721_ENCODING.tokenId);
});
it('should recursively decode nested assetData within multiAssetData', () => {
const amounts = [new BigNumber(1), new BigNumber(1), new BigNumber(2)];
const nestedAssetData = [
KNOWN_ERC20_ENCODING.assetData,
KNOWN_ERC721_ENCODING.assetData,
KNOWN_MULTI_ASSET_ENCODING.assetData,
];
const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
const decodedAssetData = assetDataUtils.decodeMultiAssetDataRecursively(assetData);
expect(decodedAssetData.assetProxyId).to.equal(AssetProxyId.MultiAsset);
const expectedAmounts = [new BigNumber(1), new BigNumber(1), new BigNumber(2), new BigNumber(2)];
expect(decodedAssetData.amounts).to.deep.equal(expectedAmounts);
const expectedLength = 4;
expect(decodedAssetData.nestedAssetData.length).to.be.equal(expectedLength);
const decodedErc20AssetData1 = decodedAssetData.nestedAssetData[0];
// tslint:disable-next-line:no-unnecessary-type-assertion
const decodedErc721AssetData1 = decodedAssetData.nestedAssetData[1] as ERC721AssetData;
const decodedErc20AssetData2 = decodedAssetData.nestedAssetData[2];
// tslint:disable-next-line:no-unnecessary-type-assertion
const decodedErc721AssetData2 = decodedAssetData.nestedAssetData[3] as ERC721AssetData;
expect(decodedErc20AssetData1.tokenAddress).to.equal(KNOWN_ERC20_ENCODING.address);
expect(decodedErc20AssetData1.assetProxyId).to.equal(AssetProxyId.ERC20);
expect(decodedErc721AssetData1.tokenAddress).to.equal(KNOWN_ERC721_ENCODING.address);
expect(decodedErc721AssetData1.assetProxyId).to.equal(AssetProxyId.ERC721);
expect(decodedErc721AssetData1.tokenId).to.be.bignumber.equal(KNOWN_ERC721_ENCODING.tokenId);
expect(decodedErc20AssetData2.tokenAddress).to.equal(KNOWN_ERC20_ENCODING.address);
expect(decodedErc20AssetData2.assetProxyId).to.equal(AssetProxyId.ERC20);
expect(decodedErc721AssetData2.tokenAddress).to.equal(KNOWN_ERC721_ENCODING.address);
expect(decodedErc721AssetData2.assetProxyId).to.equal(AssetProxyId.ERC721);
expect(decodedErc721AssetData2.tokenId).to.be.bignumber.equal(KNOWN_ERC721_ENCODING.tokenId);
});
});
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