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-rw-r--r--packages/0x.js/CHANGELOG.md3
-rw-r--r--packages/0x.js/src/contract_wrappers/exchange_wrapper.ts6
-rw-r--r--packages/0x.js/test/exchange_wrapper_test.ts33
3 files changed, 38 insertions, 4 deletions
diff --git a/packages/0x.js/CHANGELOG.md b/packages/0x.js/CHANGELOG.md
index ab2537879..0a3b45513 100644
--- a/packages/0x.js/CHANGELOG.md
+++ b/packages/0x.js/CHANGELOG.md
@@ -3,7 +3,8 @@
## v0.x.x - _TBD, 2018_
* Add an error parameter to the order watcher callback (#312)
- * Fix the bug making it impossible to catch some errors from awaitTransactionMinedAsync (#312)
+ * Fix a bug making it impossible to catch some errors from awaitTransactionMinedAsync (#312)
+ * Fix a bug in fillOrdersUpTo validation making it impossible to fill up to if user doesn't have enough balance to fully fill all the orders (#321)
## v0.29.1 - _January 11, 2018_
diff --git a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
index e1d80e01a..be88cdb20 100644
--- a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
@@ -258,16 +258,18 @@ export class ExchangeWrapper extends ContractWrapper {
? SHOULD_VALIDATE_BY_DEFAULT
: orderTransactionOpts.shouldValidate;
if (shouldValidate) {
+ let filledTakerTokenAmount = new BigNumber(0);
const zrxTokenAddress = this.getZRXTokenAddress();
const exchangeTradeEmulator = new ExchangeTransferSimulator(this._tokenWrapper, BlockParamLiteral.Latest);
for (const signedOrder of signedOrders) {
- await this._orderValidationUtils.validateFillOrderThrowIfInvalidAsync(
+ const singleFilledTakerTokenAmount = await this._orderValidationUtils.validateFillOrderThrowIfInvalidAsync(
exchangeTradeEmulator,
signedOrder,
- fillTakerTokenAmount,
+ fillTakerTokenAmount.minus(filledTakerTokenAmount),
takerAddress,
zrxTokenAddress,
);
+ filledTakerTokenAmount = filledTakerTokenAmount.plus(singleFilledTakerTokenAmount);
}
}
diff --git a/packages/0x.js/test/exchange_wrapper_test.ts b/packages/0x.js/test/exchange_wrapper_test.ts
index 39a5be61d..d2a2149a0 100644
--- a/packages/0x.js/test/exchange_wrapper_test.ts
+++ b/packages/0x.js/test/exchange_wrapper_test.ts
@@ -536,7 +536,7 @@ describe('ExchangeWrapper', () => {
),
).to.be.rejectedWith(ExchangeContractErrs.BatchOrdersMustHaveAtLeastOneItem);
});
- it('should successfully fill up to specified amount', async () => {
+ it('should successfully fill up to specified amount when all orders are fully funded', async () => {
const txHash = await zeroEx.exchange.fillOrdersUpToAsync(
signedOrders,
fillUpToAmount,
@@ -550,6 +550,37 @@ describe('ExchangeWrapper', () => {
const remainingFillAmount = fillableAmount.minus(1);
expect(anotherFilledAmount).to.be.bignumber.equal(remainingFillAmount);
});
+ it('should successfully fill up to specified amount even if filling all orders would fail', async () => {
+ const missingBalance = new BigNumber(1); // User will still have enough balance to fill up to 9,
+ // but won't have 10 to fully fill all orders in a batch.
+ await zeroEx.token.transferAsync(makerTokenAddress, makerAddress, coinbase, missingBalance);
+ const txHash = await zeroEx.exchange.fillOrdersUpToAsync(
+ signedOrders,
+ fillUpToAmount,
+ shouldThrowOnInsufficientBalanceOrAllowance,
+ takerAddress,
+ );
+ await zeroEx.awaitTransactionMinedAsync(txHash);
+ const filledAmount = await zeroEx.exchange.getFilledTakerAmountAsync(signedOrderHashHex);
+ const anotherFilledAmount = await zeroEx.exchange.getFilledTakerAmountAsync(anotherOrderHashHex);
+ expect(filledAmount).to.be.bignumber.equal(fillableAmount);
+ const remainingFillAmount = fillableAmount.minus(1);
+ expect(anotherFilledAmount).to.be.bignumber.equal(remainingFillAmount);
+ });
+ });
+ describe('failed batch fills', () => {
+ it("should fail validation if user doesn't have enough balance without fill up to", async () => {
+ const missingBalance = new BigNumber(2); // User will only have enough balance to fill up to 8
+ await zeroEx.token.transferAsync(makerTokenAddress, makerAddress, coinbase, missingBalance);
+ return expect(
+ zeroEx.exchange.fillOrdersUpToAsync(
+ signedOrders,
+ fillUpToAmount,
+ shouldThrowOnInsufficientBalanceOrAllowance,
+ takerAddress,
+ ),
+ ).to.be.rejectedWith(ExchangeContractErrs.InsufficientMakerBalance);
+ });
});
describe('order transaction options', () => {
const emptyFillUpToAmount = new BigNumber(0);