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authorJacob Evans <jacob@dekz.net>2018-08-13 10:23:29 +0800
committerJacob Evans <jacob@dekz.net>2018-08-15 11:06:32 +0800
commit622509c508272790e3e69c09cf1a1f9696815147 (patch)
tree0a86370cc0e02a2ede06e48baa5ad123d0617276 /packages/contracts/test
parentf9f232f5d9527926cd64027f69491b0bc6e58894 (diff)
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[Order-utils] Order is valid when maker amount is very small
Previously our min fillable calculation would throw a rounding error when encountering a valid order (with a small maker amount). This was inconsistent with the on-chain logic which allowed this order to be filled.
Diffstat (limited to 'packages/contracts/test')
-rw-r--r--packages/contracts/test/exchange/fill_order.ts11
-rw-r--r--packages/contracts/test/utils/fill_order_combinatorial_utils.ts7
-rw-r--r--packages/contracts/test/utils/order_factory_from_scenario.ts23
-rw-r--r--packages/contracts/test/utils/types.ts3
4 files changed, 43 insertions, 1 deletions
diff --git a/packages/contracts/test/exchange/fill_order.ts b/packages/contracts/test/exchange/fill_order.ts
index 1494fe093..e79e2239e 100644
--- a/packages/contracts/test/exchange/fill_order.ts
+++ b/packages/contracts/test/exchange/fill_order.ts
@@ -104,6 +104,17 @@ describe('FillOrder Tests', () => {
};
await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
});
+ it('should transfer the correct amounts when makerAssetAmount < takerAssetAmount with zero decimals', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ makerAssetAmountScenario: OrderAssetAmountScenario.Small,
+ makerAssetDataScenario: AssetDataScenario.ERC20ZeroDecimals,
+ },
+ };
+ await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
it('should transfer the correct amounts when taker is specified and order is claimed by taker', async () => {
const fillScenario = {
...defaultFillScenario,
diff --git a/packages/contracts/test/utils/fill_order_combinatorial_utils.ts b/packages/contracts/test/utils/fill_order_combinatorial_utils.ts
index 284c4a2db..f18ad0dd3 100644
--- a/packages/contracts/test/utils/fill_order_combinatorial_utils.ts
+++ b/packages/contracts/test/utils/fill_order_combinatorial_utils.ts
@@ -81,6 +81,12 @@ export async function fillOrderCombinatorialUtilsFactoryAsync(
erc20FiveDecimalTokenCount,
fiveDecimals,
);
+ const zeroDecimals = new BigNumber(0);
+ const erc20ZeroDecimalTokenCount = 2;
+ const [erc20ZeroDecimalTokenA, erc20ZeroDecimalTokenB] = await erc20Wrapper.deployDummyTokensAsync(
+ erc20ZeroDecimalTokenCount,
+ zeroDecimals,
+ );
const erc20Proxy = await erc20Wrapper.deployProxyAsync();
await erc20Wrapper.setBalancesAndAllowancesAsync();
@@ -119,6 +125,7 @@ export async function fillOrderCombinatorialUtilsFactoryAsync(
zrxToken.address,
[erc20EighteenDecimalTokenA.address, erc20EighteenDecimalTokenB.address],
[erc20FiveDecimalTokenA.address, erc20FiveDecimalTokenB.address],
+ [erc20ZeroDecimalTokenA.address, erc20ZeroDecimalTokenB.address],
erc721Token,
erc721Balances,
exchangeContract.address,
diff --git a/packages/contracts/test/utils/order_factory_from_scenario.ts b/packages/contracts/test/utils/order_factory_from_scenario.ts
index a908140b9..8e04db588 100644
--- a/packages/contracts/test/utils/order_factory_from_scenario.ts
+++ b/packages/contracts/test/utils/order_factory_from_scenario.ts
@@ -21,6 +21,8 @@ const POINT_ONE_UNITS_EIGHTEEN_DECIMALS = new BigNumber(100_000_000_000_000_000)
const POINT_ZERO_FIVE_UNITS_EIGHTEEN_DECIMALS = new BigNumber(50_000_000_000_000_000);
const TEN_UNITS_FIVE_DECIMALS = new BigNumber(1_000_000);
const FIVE_UNITS_FIVE_DECIMALS = new BigNumber(500_000);
+const TEN_UNITS_ZERO_DECIMALS = new BigNumber(10);
+const ONE_THOUSAND_UNITS_ZERO_DECIMALS = new BigNumber(1000);
const ONE_NFT_UNIT = new BigNumber(1);
export class OrderFactoryFromScenario {
@@ -28,6 +30,7 @@ export class OrderFactoryFromScenario {
private readonly _zrxAddress: string;
private readonly _nonZrxERC20EighteenDecimalTokenAddresses: string[];
private readonly _erc20FiveDecimalTokenAddresses: string[];
+ private readonly _erc20ZeroDecimalTokenAddresses: string[];
private readonly _erc721Token: DummyERC721TokenContract;
private readonly _erc721Balances: ERC721TokenIdsByOwner;
private readonly _exchangeAddress: string;
@@ -36,6 +39,7 @@ export class OrderFactoryFromScenario {
zrxAddress: string,
nonZrxERC20EighteenDecimalTokenAddresses: string[],
erc20FiveDecimalTokenAddresses: string[],
+ erc20ZeroDecimalTokenAddresses: string[],
erc721Token: DummyERC721TokenContract,
erc721Balances: ERC721TokenIdsByOwner,
exchangeAddress: string,
@@ -44,6 +48,7 @@ export class OrderFactoryFromScenario {
this._zrxAddress = zrxAddress;
this._nonZrxERC20EighteenDecimalTokenAddresses = nonZrxERC20EighteenDecimalTokenAddresses;
this._erc20FiveDecimalTokenAddresses = erc20FiveDecimalTokenAddresses;
+ this._erc20ZeroDecimalTokenAddresses = erc20ZeroDecimalTokenAddresses;
this._erc721Token = erc721Token;
this._erc721Balances = erc721Balances;
this._exchangeAddress = exchangeAddress;
@@ -89,6 +94,9 @@ export class OrderFactoryFromScenario {
erc721MakerAssetIds[0],
);
break;
+ case AssetDataScenario.ERC20ZeroDecimals:
+ makerAssetData = assetDataUtils.encodeERC20AssetData(this._erc20ZeroDecimalTokenAddresses[0]);
+ break;
default:
throw errorUtils.spawnSwitchErr('AssetDataScenario', orderScenario.makerAssetDataScenario);
}
@@ -109,6 +117,9 @@ export class OrderFactoryFromScenario {
erc721TakerAssetIds[0],
);
break;
+ case AssetDataScenario.ERC20ZeroDecimals:
+ takerAssetData = assetDataUtils.encodeERC20AssetData(this._erc20ZeroDecimalTokenAddresses[1]);
+ break;
default:
throw errorUtils.spawnSwitchErr('AssetDataScenario', orderScenario.takerAssetDataScenario);
}
@@ -126,6 +137,9 @@ export class OrderFactoryFromScenario {
case AssetDataScenario.ERC721:
makerAssetAmount = ONE_NFT_UNIT;
break;
+ case AssetDataScenario.ERC20ZeroDecimals:
+ makerAssetAmount = ONE_THOUSAND_UNITS_ZERO_DECIMALS;
+ break;
default:
throw errorUtils.spawnSwitchErr('AssetDataScenario', orderScenario.makerAssetDataScenario);
}
@@ -142,6 +156,9 @@ export class OrderFactoryFromScenario {
case AssetDataScenario.ERC721:
makerAssetAmount = ONE_NFT_UNIT;
break;
+ case AssetDataScenario.ERC20ZeroDecimals:
+ makerAssetAmount = TEN_UNITS_ZERO_DECIMALS;
+ break;
default:
throw errorUtils.spawnSwitchErr('AssetDataScenario', orderScenario.makerAssetDataScenario);
}
@@ -166,6 +183,9 @@ export class OrderFactoryFromScenario {
case AssetDataScenario.ERC721:
takerAssetAmount = ONE_NFT_UNIT;
break;
+ case AssetDataScenario.ERC20ZeroDecimals:
+ takerAssetAmount = ONE_THOUSAND_UNITS_ZERO_DECIMALS;
+ break;
default:
throw errorUtils.spawnSwitchErr('AssetDataScenario', orderScenario.takerAssetDataScenario);
}
@@ -182,6 +202,9 @@ export class OrderFactoryFromScenario {
case AssetDataScenario.ERC721:
takerAssetAmount = ONE_NFT_UNIT;
break;
+ case AssetDataScenario.ERC20ZeroDecimals:
+ takerAssetAmount = TEN_UNITS_ZERO_DECIMALS;
+ break;
default:
throw errorUtils.spawnSwitchErr('AssetDataScenario', orderScenario.takerAssetDataScenario);
}
diff --git a/packages/contracts/test/utils/types.ts b/packages/contracts/test/utils/types.ts
index 67313b647..481ee87d6 100644
--- a/packages/contracts/test/utils/types.ts
+++ b/packages/contracts/test/utils/types.ts
@@ -177,10 +177,11 @@ export enum ExpirationTimeSecondsScenario {
}
export enum AssetDataScenario {
- ERC721 = 'ERC721',
+ ERC20ZeroDecimals = 'ERC20_ZERO_DECIMALS',
ZRXFeeToken = 'ZRX_FEE_TOKEN',
ERC20FiveDecimals = 'ERC20_FIVE_DECIMALS',
ERC20NonZRXEighteenDecimals = 'ERC20_NON_ZRX_EIGHTEEN_DECIMALS',
+ ERC721 = 'ERC721',
}
export enum TakerAssetFillAmountScenario {