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protocol_fees.ts
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import { blockchainTests } from '@0x/contracts-test-utils';
import { BigNumber } from '@0x/utils';
import { artifacts } from './artifacts';
import { TestProtocolFeesContract, TestProtocolFeesReceiverContract } from './wrappers';
// The contents of this test suite does not inform the reader about the assertions made in these
// tests. For more information and a more accurate view of the tests, check out
// "contracts/test/TestProtocolFeesReceiver.sol".
blockchainTests('Protocol Fee Payments', env => {
let testProtocolFees: TestProtocolFeesContract;
let testProtocolFeesReceiver: TestProtocolFeesReceiverContract;
const DEFAULT_GAS_PRICE = new BigNumber(20000);
const DEFAULT_PROTOCOL_FEE_MULTIPLIER = new BigNumber(150);
const DEFAULT_PROTOCOL_FEE = DEFAULT_GAS_PRICE.times(DEFAULT_PROTOCOL_FEE_MULTIPLIER);
before(async () => {
testProtocolFees = await TestProtocolFeesContract.deployFrom0xArtifactAsync(
artifacts.TestProtocolFees,
env.provider,
env.txDefaults,
{},
);
testProtocolFeesReceiver = await TestProtocolFeesReceiverContract.deployFrom0xArtifactAsync(
artifacts.TestProtocolFeesReceiver,
env.provider,
env.txDefaults,
{},
);
});
blockchainTests.resets('fillOrder Protocol Fees', () => {
it('should not pay protocol fee when there is no registered protocol fee collector', async () => {
await testProtocolFeesReceiver
.testFillOrderProtocolFees(testProtocolFees.address, DEFAULT_PROTOCOL_FEE_MULTIPLIER, false)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE,
});
});
it('should not forward ETH when too little value is sent', async () => {
await testProtocolFeesReceiver
.testFillOrderProtocolFees(testProtocolFees.address, DEFAULT_PROTOCOL_FEE_MULTIPLIER, true)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.minus(10),
});
});
it('should pay protocol fee in ETH when the correct value is sent', async () => {
await testProtocolFeesReceiver
.testFillOrderProtocolFees(testProtocolFees.address, DEFAULT_PROTOCOL_FEE_MULTIPLIER, true)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE,
});
});
it('should pay protocol fee in ETH when extra value is sent', async () => {
await testProtocolFeesReceiver
.testFillOrderProtocolFees(testProtocolFees.address, DEFAULT_PROTOCOL_FEE_MULTIPLIER, true)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.plus(10),
});
});
});
blockchainTests.resets('matchOrders Protocol Fees', () => {
it('should not pay protocol fee when there is no registered protocol fee collector', async () => {
await testProtocolFeesReceiver
.testMatchOrdersProtocolFees(testProtocolFees.address, DEFAULT_PROTOCOL_FEE_MULTIPLIER, false)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE,
});
});
it('should not forward ETH twice when too little value is sent', async () => {
await testProtocolFeesReceiver
.testMatchOrdersProtocolFees(testProtocolFees.address, DEFAULT_PROTOCOL_FEE_MULTIPLIER, true)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.minus(10),
});
});
it('should pay protocol fee in ETH and then not forward ETH when exactly one protocol fee is sent', async () => {
await testProtocolFeesReceiver
.testMatchOrdersProtocolFees(testProtocolFees.address, DEFAULT_PROTOCOL_FEE_MULTIPLIER, true)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE,
});
});
it('should pay protocol fee in ETH and then not forward ETH when a bit more than one protocol fee is sent', async () => {
await testProtocolFeesReceiver
.testMatchOrdersProtocolFees(testProtocolFees.address, DEFAULT_PROTOCOL_FEE_MULTIPLIER, true)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.plus(10),
});
});
it('should pay protocol fee in ETH when exactly double the protocol fee is sent', async () => {
await testProtocolFeesReceiver
.testMatchOrdersProtocolFees(testProtocolFees.address, DEFAULT_PROTOCOL_FEE_MULTIPLIER, true)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.times(2),
});
});
it('should pay protocol fee in ETH when more than double the protocol fee is sent', async () => {
await testProtocolFeesReceiver
.testMatchOrdersProtocolFees(testProtocolFees.address, DEFAULT_PROTOCOL_FEE_MULTIPLIER, true)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.times(2).plus(10),
});
});
});
blockchainTests.resets('batchFillOrder ProtocolFees', () => {
it('should not pay protocol fees when there is not a protocolFeeCollector registered', async () => {
await testProtocolFeesReceiver
.testBatchFillOrdersProtocolFees(
testProtocolFees.address,
DEFAULT_PROTOCOL_FEE_MULTIPLIER,
new BigNumber(2), // If successful, create a `batchFillOrders` with 2 orders.
false,
)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE,
});
});
it('should not forward ETH when less than one protocol fee is sent and only one order is in the batch', async () => {
await testProtocolFeesReceiver
.testBatchFillOrdersProtocolFees(
testProtocolFees.address,
DEFAULT_PROTOCOL_FEE_MULTIPLIER,
new BigNumber(1),
true,
)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.minus(10),
});
});
it('should pay one protocol fee in ETH when the exact protocol fee is sent and only one order is in the batch', async () => {
await testProtocolFeesReceiver
.testBatchFillOrdersProtocolFees(
testProtocolFees.address,
DEFAULT_PROTOCOL_FEE_MULTIPLIER,
new BigNumber(1),
true,
)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE,
});
});
it('should pay one protocol fee in ETH when more than the exact protocol fee is sent and only one order is in the batch', async () => {
await testProtocolFeesReceiver
.testBatchFillOrdersProtocolFees(
testProtocolFees.address,
DEFAULT_PROTOCOL_FEE_MULTIPLIER,
new BigNumber(1),
true,
)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.plus(10),
});
});
it('should not forward ETH twice when an insuffiecent amount of ETH for one protocol fee is sent', async () => {
await testProtocolFeesReceiver
.testBatchFillOrdersProtocolFees(
testProtocolFees.address,
DEFAULT_PROTOCOL_FEE_MULTIPLIER,
new BigNumber(2),
true,
)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.minus(10),
});
});
it('should pay a protocol in ETH and not forward ETH for the second when exactly one protocol fee in ETH is sent', async () => {
await testProtocolFeesReceiver
.testBatchFillOrdersProtocolFees(
testProtocolFees.address,
DEFAULT_PROTOCOL_FEE_MULTIPLIER,
new BigNumber(2),
true,
)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE,
});
});
it('should pay both protocol fees in ETH when exactly two protocol fees in ETH is sent', async () => {
await testProtocolFeesReceiver
.testBatchFillOrdersProtocolFees(
testProtocolFees.address,
DEFAULT_PROTOCOL_FEE_MULTIPLIER,
new BigNumber(2),
true,
)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.times(2),
});
});
it('should pay two protocol fees in ETH and then not forward ETH for a third when exactly two protocol fees in ETH is sent', async () => {
await testProtocolFeesReceiver
.testBatchFillOrdersProtocolFees(
testProtocolFees.address,
DEFAULT_PROTOCOL_FEE_MULTIPLIER,
new BigNumber(3),
true,
)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.times(2),
});
});
it('should pay three protocol fees in ETH when more than three protocol fees in ETH is sent', async () => {
await testProtocolFeesReceiver
.testBatchFillOrdersProtocolFees(
testProtocolFees.address,
DEFAULT_PROTOCOL_FEE_MULTIPLIER,
new BigNumber(3),
true,
)
.awaitTransactionSuccessAsync({
gasPrice: DEFAULT_GAS_PRICE,
value: DEFAULT_PROTOCOL_FEE.times(3).plus(10),
});
});
});
});