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import { AssetBuyerError, BigNumber, InsufficientAssetLiquidityError } from '@0x/asset-buyer';
import { AssetProxyId, ObjectMap } from '@0x/types';
import { Web3Wrapper } from '@0x/web3-wrapper';
import { Asset, AssetMetaData, ERC20Asset, ERC20AssetMetaData, Network, ZeroExInstantError } from '../../src/types';
import { assetUtils } from '../../src/util/asset';
const ZRX_ASSET_DATA = '0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498';
const ZRX_ASSET_DATA_KOVAN = '0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa';
const ZRX_META_DATA: ERC20AssetMetaData = {
assetProxyId: AssetProxyId.ERC20,
symbol: 'zrx',
decimals: 18,
name: '0x',
};
const ZRX_ASSET: ERC20Asset = {
assetData: ZRX_ASSET_DATA,
metaData: ZRX_META_DATA,
};
const META_DATA_MAP: ObjectMap<AssetMetaData> = {
[ZRX_ASSET_DATA]: ZRX_META_DATA,
};
const WAX_ASSET: ERC20Asset = {
assetData: '0xf47261b000000000000000000000000039bb259f66e1c59d5abef88375979b4d20d98022',
metaData: {
assetProxyId: AssetProxyId.ERC20,
decimals: 8,
primaryColor: '#EDB740',
symbol: 'wax',
name: 'WAX',
},
};
describe('assetDataUtil', () => {
describe('bestNameForAsset', () => {
it('should return default string if assetData is undefined', () => {
expect(assetUtils.bestNameForAsset(undefined, 'xyz')).toEqual('xyz');
});
it('should return ZRX for ZRX assetData', () => {
expect(assetUtils.bestNameForAsset(ZRX_ASSET, 'mah default')).toEqual('ZRX');
});
});
describe('getMetaDataOrThrow', () => {
it('should return the metaData for the supplied mainnet asset data', () => {
expect(assetUtils.getMetaDataOrThrow(ZRX_ASSET_DATA, META_DATA_MAP, Network.Mainnet)).toEqual(
ZRX_META_DATA,
);
});
it('should return the metaData for the supplied non-mainnet asset data', () => {
expect(assetUtils.getMetaDataOrThrow(ZRX_ASSET_DATA_KOVAN, META_DATA_MAP, Network.Kovan)).toEqual(
ZRX_META_DATA,
);
});
it('should throw if the metaData for the asset is not available', () => {
expect(() =>
assetUtils.getMetaDataOrThrow('asset data we dont have', META_DATA_MAP, Network.Mainnet),
).toThrowError(ZeroExInstantError.AssetMetaDataNotAvailable);
});
});
describe('assetBuyerErrorMessage', () => {
it('should return message for generic InsufficientAssetLiquidity error', () => {
const insufficientAssetError = new Error(AssetBuyerError.InsufficientAssetLiquidity);
expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, insufficientAssetError)).toEqual(
'Not enough ZRX available',
);
});
describe('InsufficientAssetLiquidityError', () => {
it('should return custom message for token w/ 18 decimals', () => {
const amountAvailable = Web3Wrapper.toBaseUnitAmount(new BigNumber(20.059), 18);
expect(
assetUtils.assetBuyerErrorMessage(ZRX_ASSET, new InsufficientAssetLiquidityError(amountAvailable)),
).toEqual('There are only 20.05 ZRX available to buy');
});
it('should return custom message for token w/ 18 decimals and small amount available', () => {
const amountAvailable = Web3Wrapper.toBaseUnitAmount(new BigNumber(0.01), 18);
expect(
assetUtils.assetBuyerErrorMessage(ZRX_ASSET, new InsufficientAssetLiquidityError(amountAvailable)),
).toEqual('There are only 0.01 ZRX available to buy');
});
it('should return custom message for token w/ 8 decimals', () => {
const amountAvailable = Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 8);
expect(
assetUtils.assetBuyerErrorMessage(WAX_ASSET, new InsufficientAssetLiquidityError(amountAvailable)),
).toEqual('There are only 3 WAX available to buy');
});
it('should return generic message when amount available rounds to zero', () => {
const amountAvailable = Web3Wrapper.toBaseUnitAmount(new BigNumber(0.002), 18);
expect(
assetUtils.assetBuyerErrorMessage(ZRX_ASSET, new InsufficientAssetLiquidityError(amountAvailable)),
).toEqual('Not enough ZRX available');
});
});
it('should return message for InsufficientZrxLiquidity', () => {
const insufficientZrxError = new Error(AssetBuyerError.InsufficientZrxLiquidity);
expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, insufficientZrxError)).toEqual(
'Not enough ZRX available',
);
});
it('should message for StandardRelayerApiError', () => {
const standardRelayerError = new Error(AssetBuyerError.StandardRelayerApiError);
expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, standardRelayerError)).toEqual(
'ZRX is currently unavailable',
);
});
it('should return error for AssetUnavailable error', () => {
const assetUnavailableError = new Error(
`${AssetBuyerError.AssetUnavailable}: For assetData ${ZRX_ASSET_DATA}`,
);
expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, assetUnavailableError)).toEqual(
'ZRX is currently unavailable',
);
});
});
});
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