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-rw-r--r--contracts/test-utils/src/abstract_asset_wrapper.ts3
-rw-r--r--contracts/test-utils/src/address_utils.ts11
-rw-r--r--contracts/test-utils/src/assertions.ts199
-rw-r--r--contracts/test-utils/src/block_timestamp.ts43
-rw-r--r--contracts/test-utils/src/chai_setup.ts13
-rw-r--r--contracts/test-utils/src/combinatorial_utils.ts113
-rw-r--r--contracts/test-utils/src/constants.ts67
-rw-r--r--contracts/test-utils/src/coverage.ts21
-rw-r--r--contracts/test-utils/src/formatters.ts68
-rw-r--r--contracts/test-utils/src/global_hooks.ts15
-rw-r--r--contracts/test-utils/src/index.ts55
-rw-r--r--contracts/test-utils/src/log_decoder.ts51
-rw-r--r--contracts/test-utils/src/order_factory.ts38
-rw-r--r--contracts/test-utils/src/order_utils.ts58
-rw-r--r--contracts/test-utils/src/profiler.ts27
-rw-r--r--contracts/test-utils/src/revert_trace.ts21
-rw-r--r--contracts/test-utils/src/signing_utils.ts29
-rw-r--r--contracts/test-utils/src/test_with_reference.ts139
-rw-r--r--contracts/test-utils/src/transaction_factory.ts37
-rw-r--r--contracts/test-utils/src/type_encoding_utils.ts21
-rw-r--r--contracts/test-utils/src/types.ts242
-rw-r--r--contracts/test-utils/src/web3_wrapper.ts85
22 files changed, 1356 insertions, 0 deletions
diff --git a/contracts/test-utils/src/abstract_asset_wrapper.ts b/contracts/test-utils/src/abstract_asset_wrapper.ts
new file mode 100644
index 000000000..4b56a8502
--- /dev/null
+++ b/contracts/test-utils/src/abstract_asset_wrapper.ts
@@ -0,0 +1,3 @@
+export abstract class AbstractAssetWrapper {
+ public abstract getProxyId(): string;
+}
diff --git a/contracts/test-utils/src/address_utils.ts b/contracts/test-utils/src/address_utils.ts
new file mode 100644
index 000000000..634da0c16
--- /dev/null
+++ b/contracts/test-utils/src/address_utils.ts
@@ -0,0 +1,11 @@
+import { generatePseudoRandomSalt } from '@0x/order-utils';
+import { crypto } from '@0x/order-utils/lib/src/crypto';
+
+export const addressUtils = {
+ generatePseudoRandomAddress(): string {
+ const randomBigNum = generatePseudoRandomSalt();
+ const randomBuff = crypto.solSHA3([randomBigNum]);
+ const randomAddress = `0x${randomBuff.slice(0, 20).toString('hex')}`;
+ return randomAddress;
+ },
+};
diff --git a/contracts/test-utils/src/assertions.ts b/contracts/test-utils/src/assertions.ts
new file mode 100644
index 000000000..5b1cedfcc
--- /dev/null
+++ b/contracts/test-utils/src/assertions.ts
@@ -0,0 +1,199 @@
+import { RevertReason } from '@0x/types';
+import { logUtils } from '@0x/utils';
+import { NodeType } from '@0x/web3-wrapper';
+import * as chai from 'chai';
+import { TransactionReceipt, TransactionReceiptStatus, TransactionReceiptWithDecodedLogs } from 'ethereum-types';
+import * as _ from 'lodash';
+
+import { web3Wrapper } from './web3_wrapper';
+
+const expect = chai.expect;
+
+let nodeType: NodeType | undefined;
+
+// Represents the return value of a `sendTransaction` call. The Promise should
+// resolve with either a transaction receipt or a transaction hash.
+export type sendTransactionResult = Promise<TransactionReceipt | TransactionReceiptWithDecodedLogs | string>;
+
+/**
+ * Returns ganacheError if the backing Ethereum node is Ganache and gethError
+ * if it is Geth.
+ * @param ganacheError the error to be returned if the backing node is Ganache.
+ * @param gethError the error to be returned if the backing node is Geth.
+ * @returns either the given ganacheError or gethError depending on the backing
+ * node.
+ */
+async function _getGanacheOrGethError(ganacheError: string, gethError: string): Promise<string> {
+ if (_.isUndefined(nodeType)) {
+ nodeType = await web3Wrapper.getNodeTypeAsync();
+ }
+ switch (nodeType) {
+ case NodeType.Ganache:
+ return ganacheError;
+ case NodeType.Geth:
+ return gethError;
+ default:
+ throw new Error(`Unknown node type: ${nodeType}`);
+ }
+}
+
+async function _getInsufficientFundsErrorMessageAsync(): Promise<string> {
+ return _getGanacheOrGethError("sender doesn't have enough funds", 'insufficient funds');
+}
+
+async function _getTransactionFailedErrorMessageAsync(): Promise<string> {
+ return _getGanacheOrGethError('revert', 'always failing transaction');
+}
+
+async function _getContractCallFailedErrorMessageAsync(): Promise<string> {
+ return _getGanacheOrGethError('revert', 'Contract call failed');
+}
+
+/**
+ * Returns the expected error message for an 'invalid opcode' resulting from a
+ * contract call. The exact error message depends on the backing Ethereum node.
+ */
+export async function getInvalidOpcodeErrorMessageForCallAsync(): Promise<string> {
+ return _getGanacheOrGethError('invalid opcode', 'Contract call failed');
+}
+
+/**
+ * Returns the expected error message for the given revert reason resulting from
+ * a sendTransaction call. The exact error message depends on the backing
+ * Ethereum node and whether it supports revert reasons.
+ * @param reason a specific revert reason.
+ * @returns the expected error message.
+ */
+export async function getRevertReasonOrErrorMessageForSendTransactionAsync(reason: RevertReason): Promise<string> {
+ return _getGanacheOrGethError(reason, 'always failing transaction');
+}
+
+/**
+ * Rejects if the given Promise does not reject with an error indicating
+ * insufficient funds.
+ * @param p a promise resulting from a contract call or sendTransaction call.
+ * @returns a new Promise which will reject if the conditions are not met and
+ * otherwise resolve with no value.
+ */
+export async function expectInsufficientFundsAsync<T>(p: Promise<T>): Promise<void> {
+ const errMessage = await _getInsufficientFundsErrorMessageAsync();
+ return expect(p).to.be.rejectedWith(errMessage);
+}
+
+/**
+ * Resolves if the the sendTransaction call fails with the given revert reason.
+ * However, since Geth does not support revert reasons for sendTransaction, this
+ * falls back to expectTransactionFailedWithoutReasonAsync if the backing
+ * Ethereum node is Geth.
+ * @param p a Promise resulting from a sendTransaction call
+ * @param reason a specific revert reason
+ * @returns a new Promise which will reject if the conditions are not met and
+ * otherwise resolve with no value.
+ */
+export async function expectTransactionFailedAsync(p: sendTransactionResult, reason: RevertReason): Promise<void> {
+ // HACK(albrow): This dummy `catch` should not be necessary, but if you
+ // remove it, there is an uncaught exception and the Node process will
+ // forcibly exit. It's possible this is a false positive in
+ // make-promises-safe.
+ p.catch(e => {
+ _.noop(e);
+ });
+
+ if (_.isUndefined(nodeType)) {
+ nodeType = await web3Wrapper.getNodeTypeAsync();
+ }
+ switch (nodeType) {
+ case NodeType.Ganache:
+ return expect(p).to.be.rejectedWith(reason);
+ case NodeType.Geth:
+ logUtils.warn(
+ 'WARNING: Geth does not support revert reasons for sendTransaction. This test will pass if the transaction fails for any reason.',
+ );
+ return expectTransactionFailedWithoutReasonAsync(p);
+ default:
+ throw new Error(`Unknown node type: ${nodeType}`);
+ }
+}
+
+/**
+ * Resolves if the transaction fails without a revert reason, or if the
+ * corresponding transactionReceipt has a status of 0 or '0', indicating
+ * failure.
+ * @param p a Promise resulting from a sendTransaction call
+ * @returns a new Promise which will reject if the conditions are not met and
+ * otherwise resolve with no value.
+ */
+export async function expectTransactionFailedWithoutReasonAsync(p: sendTransactionResult): Promise<void> {
+ return p
+ .then(async result => {
+ let txReceiptStatus: TransactionReceiptStatus;
+ if (_.isString(result)) {
+ // Result is a txHash. We need to make a web3 call to get the
+ // receipt, then get the status from the receipt.
+ const txReceipt = await web3Wrapper.awaitTransactionMinedAsync(result);
+ txReceiptStatus = txReceipt.status;
+ } else if ('status' in result) {
+ // Result is a transaction receipt, so we can get the status
+ // directly.
+ txReceiptStatus = result.status;
+ } else {
+ throw new Error('Unexpected result type: ' + typeof result);
+ }
+ expect(_.toString(txReceiptStatus)).to.equal(
+ '0',
+ 'Expected transaction to fail but receipt had a non-zero status, indicating success',
+ );
+ })
+ .catch(async err => {
+ // If the promise rejects, we expect a specific error message,
+ // depending on the backing Ethereum node type.
+ const errMessage = await _getTransactionFailedErrorMessageAsync();
+ expect(err.message).to.include(errMessage);
+ });
+}
+
+/**
+ * Resolves if the the contract call fails with the given revert reason.
+ * @param p a Promise resulting from a contract call
+ * @param reason a specific revert reason
+ * @returns a new Promise which will reject if the conditions are not met and
+ * otherwise resolve with no value.
+ */
+export async function expectContractCallFailedAsync<T>(p: Promise<T>, reason: RevertReason): Promise<void> {
+ return expect(p).to.be.rejectedWith(reason);
+}
+
+/**
+ * Resolves if the contract call fails without a revert reason.
+ * @param p a Promise resulting from a contract call
+ * @returns a new Promise which will reject if the conditions are not met and
+ * otherwise resolve with no value.
+ */
+export async function expectContractCallFailedWithoutReasonAsync<T>(p: Promise<T>): Promise<void> {
+ const errMessage = await _getContractCallFailedErrorMessageAsync();
+ return expect(p).to.be.rejectedWith(errMessage);
+}
+
+/**
+ * Resolves if the contract creation/deployment fails without a revert reason.
+ * @param p a Promise resulting from a contract creation/deployment
+ * @returns a new Promise which will reject if the conditions are not met and
+ * otherwise resolve with no value.
+ */
+export async function expectContractCreationFailedAsync<T>(
+ p: sendTransactionResult,
+ reason: RevertReason,
+): Promise<void> {
+ return expectTransactionFailedAsync(p, reason);
+}
+
+/**
+ * Resolves if the contract creation/deployment fails without a revert reason.
+ * @param p a Promise resulting from a contract creation/deployment
+ * @returns a new Promise which will reject if the conditions are not met and
+ * otherwise resolve with no value.
+ */
+export async function expectContractCreationFailedWithoutReasonAsync<T>(p: Promise<T>): Promise<void> {
+ const errMessage = await _getTransactionFailedErrorMessageAsync();
+ return expect(p).to.be.rejectedWith(errMessage);
+}
diff --git a/contracts/test-utils/src/block_timestamp.ts b/contracts/test-utils/src/block_timestamp.ts
new file mode 100644
index 000000000..66c13eed1
--- /dev/null
+++ b/contracts/test-utils/src/block_timestamp.ts
@@ -0,0 +1,43 @@
+import * as _ from 'lodash';
+
+import { constants } from './constants';
+import { web3Wrapper } from './web3_wrapper';
+
+let firstAccount: string | undefined;
+
+/**
+ * Increases time by the given number of seconds and then mines a block so that
+ * the current block timestamp has the offset applied.
+ * @param seconds the number of seconds by which to incrase the time offset.
+ * @returns a new Promise which will resolve with the new total time offset or
+ * reject if the time could not be increased.
+ */
+export async function increaseTimeAndMineBlockAsync(seconds: number): Promise<number> {
+ if (_.isUndefined(firstAccount)) {
+ const accounts = await web3Wrapper.getAvailableAddressesAsync();
+ firstAccount = accounts[0];
+ }
+
+ const offset = await web3Wrapper.increaseTimeAsync(seconds);
+ // Note: we need to send a transaction after increasing time so
+ // that a block is actually mined. The contract looks at the
+ // last mined block for the timestamp.
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await web3Wrapper.sendTransactionAsync({ from: firstAccount, to: firstAccount, value: 0 }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+
+ return offset;
+}
+
+/**
+ * Returns the timestamp of the latest block in seconds since the Unix epoch.
+ * @returns a new Promise which will resolve with the timestamp in seconds.
+ */
+export async function getLatestBlockTimestampAsync(): Promise<number> {
+ const currentBlockIfExists = await web3Wrapper.getBlockIfExistsAsync('latest');
+ if (_.isUndefined(currentBlockIfExists)) {
+ throw new Error(`Unable to fetch latest block.`);
+ }
+ return currentBlockIfExists.timestamp;
+}
diff --git a/contracts/test-utils/src/chai_setup.ts b/contracts/test-utils/src/chai_setup.ts
new file mode 100644
index 000000000..1a8733093
--- /dev/null
+++ b/contracts/test-utils/src/chai_setup.ts
@@ -0,0 +1,13 @@
+import * as chai from 'chai';
+import chaiAsPromised = require('chai-as-promised');
+import ChaiBigNumber = require('chai-bignumber');
+import * as dirtyChai from 'dirty-chai';
+
+export const chaiSetup = {
+ configure(): void {
+ chai.config.includeStack = true;
+ chai.use(ChaiBigNumber());
+ chai.use(dirtyChai);
+ chai.use(chaiAsPromised);
+ },
+};
diff --git a/contracts/test-utils/src/combinatorial_utils.ts b/contracts/test-utils/src/combinatorial_utils.ts
new file mode 100644
index 000000000..bb1b55b4d
--- /dev/null
+++ b/contracts/test-utils/src/combinatorial_utils.ts
@@ -0,0 +1,113 @@
+import { BigNumber } from '@0x/utils';
+import * as combinatorics from 'js-combinatorics';
+
+import { testWithReferenceFuncAsync } from './test_with_reference';
+
+// A set of values corresponding to the uint256 type in Solidity. This set
+// contains some notable edge cases, including some values which will overflow
+// the uint256 type when used in different mathematical operations.
+export const uint256Values = [
+ new BigNumber(0),
+ new BigNumber(1),
+ new BigNumber(2),
+ // Non-trivial big number.
+ new BigNumber(2).pow(64),
+ // Max that does not overflow when squared.
+ new BigNumber(2).pow(128).minus(1),
+ // Min that does overflow when squared.
+ new BigNumber(2).pow(128),
+ // Max that does not overflow when doubled.
+ new BigNumber(2).pow(255).minus(1),
+ // Min that does overflow when doubled.
+ new BigNumber(2).pow(255),
+ // Max that does not overflow.
+ new BigNumber(2).pow(256).minus(1),
+];
+
+// A set of values corresponding to the bytes32 type in Solidity.
+export const bytes32Values = [
+ // Min
+ '0x0000000000000000000000000000000000000000000000000000000000000000',
+ '0x0000000000000000000000000000000000000000000000000000000000000001',
+ '0x0000000000000000000000000000000000000000000000000000000000000002',
+ // Non-trivial big number.
+ '0x000000000000f000000000000000000000000000000000000000000000000000',
+ // Max
+ '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
+];
+
+export async function testCombinatoriallyWithReferenceFuncAsync<P0, P1, R>(
+ name: string,
+ referenceFunc: (p0: P0, p1: P1) => Promise<R>,
+ testFunc: (p0: P0, p1: P1) => Promise<R>,
+ allValues: [P0[], P1[]],
+): Promise<void>;
+export async function testCombinatoriallyWithReferenceFuncAsync<P0, P1, P2, R>(
+ name: string,
+ referenceFunc: (p0: P0, p1: P1, p2: P2) => Promise<R>,
+ testFunc: (p0: P0, p1: P1, p2: P2) => Promise<R>,
+ allValues: [P0[], P1[], P2[]],
+): Promise<void>;
+export async function testCombinatoriallyWithReferenceFuncAsync<P0, P1, P2, P3, R>(
+ name: string,
+ referenceFunc: (p0: P0, p1: P1, p2: P2, p3: P3) => Promise<R>,
+ testFunc: (p0: P0, p1: P1, p2: P2, p3: P3) => Promise<R>,
+ allValues: [P0[], P1[], P2[], P3[]],
+): Promise<void>;
+export async function testCombinatoriallyWithReferenceFuncAsync<P0, P1, P2, P3, P4, R>(
+ name: string,
+ referenceFunc: (p0: P0, p1: P1, p2: P2, p3: P3, p4: P4) => Promise<R>,
+ testFunc: (p0: P0, p1: P1, p2: P2, p3: P3, p4: P4) => Promise<R>,
+ allValues: [P0[], P1[], P2[], P3[], P4[]],
+): Promise<void>;
+
+/**
+ * Uses combinatorics to test the behavior of a test function by comparing it to
+ * the expected behavior (defined by a reference function) for a large number of
+ * possible input values.
+ *
+ * First generates test cases by taking the cartesian product of the given
+ * values. Each test case is a set of N values corresponding to the N arguments
+ * for the test func and the reference func. For each test case, first the
+ * reference function will be called to obtain an "expected result", or if the
+ * reference function throws/rejects, an "expected error". Next, the test
+ * function will be called to obtain an "actual result", or if the test function
+ * throws/rejects, an "actual error". Each test case passes if at least one of
+ * the following conditions is met:
+ *
+ * 1) Neither the reference function or the test function throw and the
+ * "expected result" equals the "actual result".
+ *
+ * 2) Both the reference function and the test function throw and the "actual
+ * error" message *contains* the "expected error" message.
+ *
+ * The first test case which does not meet one of these conditions will cause
+ * the entire test to fail and this function will throw/reject.
+ *
+ * @param referenceFuncAsync a reference function implemented in pure
+ * JavaScript/TypeScript which accepts N arguments and returns the "expected
+ * result" or "expected error" for a given test case.
+ * @param testFuncAsync a test function which, e.g., makes a call or sends a
+ * transaction to a contract. It accepts the same N arguments returns the
+ * "actual result" or "actual error" for a given test case.
+ * @param values an array of N arrays. Each inner array is a set of possible
+ * values which are passed into both the reference function and the test
+ * function.
+ * @return A Promise that resolves if the test passes and rejects if the test
+ * fails, according to the rules described above.
+ */
+export async function testCombinatoriallyWithReferenceFuncAsync(
+ name: string,
+ referenceFuncAsync: (...args: any[]) => Promise<any>,
+ testFuncAsync: (...args: any[]) => Promise<any>,
+ allValues: any[],
+): Promise<void> {
+ const testCases = combinatorics.cartesianProduct(...allValues);
+ let counter = 0;
+ testCases.forEach(async testCase => {
+ counter += 1;
+ it(`${name} ${counter}/${testCases.length}`, async () => {
+ await testWithReferenceFuncAsync(referenceFuncAsync, testFuncAsync, testCase as any);
+ });
+ });
+}
diff --git a/contracts/test-utils/src/constants.ts b/contracts/test-utils/src/constants.ts
new file mode 100644
index 000000000..d2c3ab512
--- /dev/null
+++ b/contracts/test-utils/src/constants.ts
@@ -0,0 +1,67 @@
+import { BigNumber } from '@0x/utils';
+import { Web3Wrapper } from '@0x/web3-wrapper';
+import * as ethUtil from 'ethereumjs-util';
+import * as _ from 'lodash';
+
+const TESTRPC_PRIVATE_KEYS_STRINGS = [
+ '0xf2f48ee19680706196e2e339e5da3491186e0c4c5030670656b0e0164837257d',
+ '0x5d862464fe9303452126c8bc94274b8c5f9874cbd219789b3eb2128075a76f72',
+ '0xdf02719c4df8b9b8ac7f551fcb5d9ef48fa27eef7a66453879f4d8fdc6e78fb1',
+ '0xff12e391b79415e941a94de3bf3a9aee577aed0731e297d5cfa0b8a1e02fa1d0',
+ '0x752dd9cf65e68cfaba7d60225cbdbc1f4729dd5e5507def72815ed0d8abc6249',
+ '0xefb595a0178eb79a8df953f87c5148402a224cdf725e88c0146727c6aceadccd',
+ '0x83c6d2cc5ddcf9711a6d59b417dc20eb48afd58d45290099e5987e3d768f328f',
+ '0xbb2d3f7c9583780a7d3904a2f55d792707c345f21de1bacb2d389934d82796b2',
+ '0xb2fd4d29c1390b71b8795ae81196bfd60293adf99f9d32a0aff06288fcdac55f',
+ '0x23cb7121166b9a2f93ae0b7c05bde02eae50d64449b2cbb42bc84e9d38d6cc89',
+];
+
+export const constants = {
+ BASE_16: 16,
+ INVALID_OPCODE: 'invalid opcode',
+ TESTRPC_NETWORK_ID: 50,
+ // Note(albrow): In practice V8 and most other engines limit the minimum
+ // interval for setInterval to 10ms. We still set it to 0 here in order to
+ // ensure we always use the minimum interval.
+ AWAIT_TRANSACTION_MINED_MS: 0,
+ MAX_ETHERTOKEN_WITHDRAW_GAS: 43000,
+ MAX_EXECUTE_TRANSACTION_GAS: 1000000,
+ MAX_TOKEN_TRANSFERFROM_GAS: 80000,
+ MAX_TOKEN_APPROVE_GAS: 60000,
+ MAX_TRANSFER_FROM_GAS: 150000,
+ DUMMY_TOKEN_NAME: '',
+ DUMMY_TOKEN_SYMBOL: '',
+ DUMMY_TOKEN_DECIMALS: new BigNumber(18),
+ DUMMY_TOKEN_TOTAL_SUPPLY: new BigNumber(0),
+ NULL_BYTES: '0x',
+ NUM_DUMMY_ERC20_TO_DEPLOY: 3,
+ NUM_DUMMY_ERC721_TO_DEPLOY: 2,
+ NUM_ERC721_TOKENS_TO_MINT: 2,
+ NULL_ADDRESS: '0x0000000000000000000000000000000000000000',
+ UNLIMITED_ALLOWANCE_IN_BASE_UNITS: new BigNumber(2).pow(256).minus(1),
+ TESTRPC_PRIVATE_KEYS: _.map(TESTRPC_PRIVATE_KEYS_STRINGS, privateKeyString => ethUtil.toBuffer(privateKeyString)),
+ INITIAL_ERC20_BALANCE: Web3Wrapper.toBaseUnitAmount(new BigNumber(10000), 18),
+ INITIAL_ERC20_ALLOWANCE: Web3Wrapper.toBaseUnitAmount(new BigNumber(10000), 18),
+ STATIC_ORDER_PARAMS: {
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(200), 18),
+ makerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 18),
+ takerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 18),
+ },
+ WORD_LENGTH: 32,
+ ZERO_AMOUNT: new BigNumber(0),
+ PERCENTAGE_DENOMINATOR: new BigNumber(10).pow(18),
+ FUNCTIONS_WITH_MUTEX: [
+ 'FILL_ORDER',
+ 'FILL_OR_KILL_ORDER',
+ 'BATCH_FILL_ORDERS',
+ 'BATCH_FILL_OR_KILL_ORDERS',
+ 'MARKET_BUY_ORDERS',
+ 'MARKET_SELL_ORDERS',
+ 'MATCH_ORDERS',
+ 'CANCEL_ORDER',
+ 'BATCH_CANCEL_ORDERS',
+ 'CANCEL_ORDERS_UP_TO',
+ 'SET_SIGNATURE_VALIDATOR_APPROVAL',
+ ],
+};
diff --git a/contracts/test-utils/src/coverage.ts b/contracts/test-utils/src/coverage.ts
new file mode 100644
index 000000000..5becfa1b6
--- /dev/null
+++ b/contracts/test-utils/src/coverage.ts
@@ -0,0 +1,21 @@
+import { devConstants } from '@0x/dev-utils';
+import { CoverageSubprovider, SolCompilerArtifactAdapter } from '@0x/sol-cov';
+import * as _ from 'lodash';
+
+let coverageSubprovider: CoverageSubprovider;
+
+export const coverage = {
+ getCoverageSubproviderSingleton(): CoverageSubprovider {
+ if (_.isUndefined(coverageSubprovider)) {
+ coverageSubprovider = coverage._getCoverageSubprovider();
+ }
+ return coverageSubprovider;
+ },
+ _getCoverageSubprovider(): CoverageSubprovider {
+ const defaultFromAddress = devConstants.TESTRPC_FIRST_ADDRESS;
+ const solCompilerArtifactAdapter = new SolCompilerArtifactAdapter();
+ const isVerbose = true;
+ const subprovider = new CoverageSubprovider(solCompilerArtifactAdapter, defaultFromAddress, isVerbose);
+ return subprovider;
+ },
+};
diff --git a/contracts/test-utils/src/formatters.ts b/contracts/test-utils/src/formatters.ts
new file mode 100644
index 000000000..813eb45db
--- /dev/null
+++ b/contracts/test-utils/src/formatters.ts
@@ -0,0 +1,68 @@
+import { SignedOrder } from '@0x/types';
+import { BigNumber } from '@0x/utils';
+import * as _ from 'lodash';
+
+import { constants } from './constants';
+import { orderUtils } from './order_utils';
+import { BatchCancelOrders, BatchFillOrders, MarketBuyOrders, MarketSellOrders } from './types';
+
+export const formatters = {
+ createBatchFill(signedOrders: SignedOrder[], takerAssetFillAmounts: BigNumber[] = []): BatchFillOrders {
+ const batchFill: BatchFillOrders = {
+ orders: [],
+ signatures: [],
+ takerAssetFillAmounts,
+ };
+ _.forEach(signedOrders, signedOrder => {
+ const orderWithoutExchangeAddress = orderUtils.getOrderWithoutExchangeAddress(signedOrder);
+ batchFill.orders.push(orderWithoutExchangeAddress);
+ batchFill.signatures.push(signedOrder.signature);
+ if (takerAssetFillAmounts.length < signedOrders.length) {
+ batchFill.takerAssetFillAmounts.push(signedOrder.takerAssetAmount);
+ }
+ });
+ return batchFill;
+ },
+ createMarketSellOrders(signedOrders: SignedOrder[], takerAssetFillAmount: BigNumber): MarketSellOrders {
+ const marketSellOrders: MarketSellOrders = {
+ orders: [],
+ signatures: [],
+ takerAssetFillAmount,
+ };
+ _.forEach(signedOrders, (signedOrder, i) => {
+ const orderWithoutExchangeAddress = orderUtils.getOrderWithoutExchangeAddress(signedOrder);
+ if (i !== 0) {
+ orderWithoutExchangeAddress.takerAssetData = constants.NULL_BYTES;
+ }
+ marketSellOrders.orders.push(orderWithoutExchangeAddress);
+ marketSellOrders.signatures.push(signedOrder.signature);
+ });
+ return marketSellOrders;
+ },
+ createMarketBuyOrders(signedOrders: SignedOrder[], makerAssetFillAmount: BigNumber): MarketBuyOrders {
+ const marketBuyOrders: MarketBuyOrders = {
+ orders: [],
+ signatures: [],
+ makerAssetFillAmount,
+ };
+ _.forEach(signedOrders, (signedOrder, i) => {
+ const orderWithoutExchangeAddress = orderUtils.getOrderWithoutExchangeAddress(signedOrder);
+ if (i !== 0) {
+ orderWithoutExchangeAddress.makerAssetData = constants.NULL_BYTES;
+ }
+ marketBuyOrders.orders.push(orderWithoutExchangeAddress);
+ marketBuyOrders.signatures.push(signedOrder.signature);
+ });
+ return marketBuyOrders;
+ },
+ createBatchCancel(signedOrders: SignedOrder[]): BatchCancelOrders {
+ const batchCancel: BatchCancelOrders = {
+ orders: [],
+ };
+ _.forEach(signedOrders, signedOrder => {
+ const orderWithoutExchangeAddress = orderUtils.getOrderWithoutExchangeAddress(signedOrder);
+ batchCancel.orders.push(orderWithoutExchangeAddress);
+ });
+ return batchCancel;
+ },
+};
diff --git a/contracts/test-utils/src/global_hooks.ts b/contracts/test-utils/src/global_hooks.ts
new file mode 100644
index 000000000..307dd0777
--- /dev/null
+++ b/contracts/test-utils/src/global_hooks.ts
@@ -0,0 +1,15 @@
+import { env, EnvVars } from '@0x/dev-utils';
+
+import { coverage } from './coverage';
+import { profiler } from './profiler';
+
+after('generate coverage report', async () => {
+ if (env.parseBoolean(EnvVars.SolidityCoverage)) {
+ const coverageSubprovider = coverage.getCoverageSubproviderSingleton();
+ await coverageSubprovider.writeCoverageAsync();
+ }
+ if (env.parseBoolean(EnvVars.SolidityProfiler)) {
+ const profilerSubprovider = profiler.getProfilerSubproviderSingleton();
+ await profilerSubprovider.writeProfilerOutputAsync();
+ }
+});
diff --git a/contracts/test-utils/src/index.ts b/contracts/test-utils/src/index.ts
new file mode 100644
index 000000000..7880de0bf
--- /dev/null
+++ b/contracts/test-utils/src/index.ts
@@ -0,0 +1,55 @@
+export { AbstractAssetWrapper } from './abstract_asset_wrapper';
+export { chaiSetup } from './chai_setup';
+export { constants } from './constants';
+export {
+ expectContractCallFailedAsync,
+ expectContractCallFailedWithoutReasonAsync,
+ expectContractCreationFailedAsync,
+ expectContractCreationFailedWithoutReasonAsync,
+ expectInsufficientFundsAsync,
+ expectTransactionFailedAsync,
+ sendTransactionResult,
+ expectTransactionFailedWithoutReasonAsync,
+ getInvalidOpcodeErrorMessageForCallAsync,
+ getRevertReasonOrErrorMessageForSendTransactionAsync,
+} from './assertions';
+export { getLatestBlockTimestampAsync, increaseTimeAndMineBlockAsync } from './block_timestamp';
+export { provider, txDefaults, web3Wrapper } from './web3_wrapper';
+export { LogDecoder } from './log_decoder';
+export { formatters } from './formatters';
+export { signingUtils } from './signing_utils';
+export { orderUtils } from './order_utils';
+export { typeEncodingUtils } from './type_encoding_utils';
+export { profiler } from './profiler';
+export { coverage } from './coverage';
+export { addressUtils } from './address_utils';
+export { OrderFactory } from './order_factory';
+export { bytes32Values, testCombinatoriallyWithReferenceFuncAsync, uint256Values } from './combinatorial_utils';
+export { TransactionFactory } from './transaction_factory';
+export { testWithReferenceFuncAsync } from './test_with_reference';
+export {
+ MarketBuyOrders,
+ MarketSellOrders,
+ ERC721TokenIdsByOwner,
+ SignedTransaction,
+ OrderStatus,
+ AllowanceAmountScenario,
+ AssetDataScenario,
+ BalanceAmountScenario,
+ ContractName,
+ ExpirationTimeSecondsScenario,
+ TransferAmountsLoggedByMatchOrders,
+ TransferAmountsByMatchOrders,
+ OrderScenario,
+ TraderStateScenario,
+ TransactionDataParams,
+ Token,
+ FillScenario,
+ FeeRecipientAddressScenario,
+ OrderAssetAmountScenario,
+ TakerAssetFillAmountScenario,
+ TakerScenario,
+ OrderInfo,
+ ERC20BalancesByOwner,
+ FillResults,
+} from './types';
diff --git a/contracts/test-utils/src/log_decoder.ts b/contracts/test-utils/src/log_decoder.ts
new file mode 100644
index 000000000..54666ea5f
--- /dev/null
+++ b/contracts/test-utils/src/log_decoder.ts
@@ -0,0 +1,51 @@
+import { AbiDecoder, BigNumber } from '@0x/utils';
+import { Web3Wrapper } from '@0x/web3-wrapper';
+import {
+ AbiDefinition,
+ ContractArtifact,
+ DecodedLogArgs,
+ LogEntry,
+ LogWithDecodedArgs,
+ RawLog,
+ TransactionReceiptWithDecodedLogs,
+} from 'ethereum-types';
+import * as _ from 'lodash';
+
+import { constants } from './constants';
+
+export class LogDecoder {
+ private readonly _web3Wrapper: Web3Wrapper;
+ private readonly _abiDecoder: AbiDecoder;
+ public static wrapLogBigNumbers(log: any): any {
+ const argNames = _.keys(log.args);
+ for (const argName of argNames) {
+ const isWeb3BigNumber = _.startsWith(log.args[argName].constructor.toString(), 'function BigNumber(');
+ if (isWeb3BigNumber) {
+ log.args[argName] = new BigNumber(log.args[argName]);
+ }
+ }
+ }
+ constructor(web3Wrapper: Web3Wrapper, artifacts: { [contractName: string]: ContractArtifact }) {
+ this._web3Wrapper = web3Wrapper;
+ const abiArrays: AbiDefinition[][] = [];
+ _.forEach(artifacts, (artifact: ContractArtifact) => {
+ const compilerOutput = artifact.compilerOutput;
+ abiArrays.push(compilerOutput.abi);
+ });
+ this._abiDecoder = new AbiDecoder(abiArrays);
+ }
+ public decodeLogOrThrow<ArgsType extends DecodedLogArgs>(log: LogEntry): LogWithDecodedArgs<ArgsType> | RawLog {
+ const logWithDecodedArgsOrLog = this._abiDecoder.tryToDecodeLogOrNoop(log);
+ // tslint:disable-next-line:no-unnecessary-type-assertion
+ if (_.isUndefined((logWithDecodedArgsOrLog as LogWithDecodedArgs<ArgsType>).args)) {
+ throw new Error(`Unable to decode log: ${JSON.stringify(log)}`);
+ }
+ LogDecoder.wrapLogBigNumbers(logWithDecodedArgsOrLog);
+ return logWithDecodedArgsOrLog;
+ }
+ public async getTxWithDecodedLogsAsync(txHash: string): Promise<TransactionReceiptWithDecodedLogs> {
+ const tx = await this._web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
+ tx.logs = _.map(tx.logs, log => this.decodeLogOrThrow(log));
+ return tx;
+ }
+}
diff --git a/contracts/test-utils/src/order_factory.ts b/contracts/test-utils/src/order_factory.ts
new file mode 100644
index 000000000..2449d1a8a
--- /dev/null
+++ b/contracts/test-utils/src/order_factory.ts
@@ -0,0 +1,38 @@
+import { generatePseudoRandomSalt, orderHashUtils } from '@0x/order-utils';
+import { Order, SignatureType, SignedOrder } from '@0x/types';
+import { BigNumber } from '@0x/utils';
+
+import { getLatestBlockTimestampAsync } from './block_timestamp';
+import { constants } from './constants';
+import { signingUtils } from './signing_utils';
+
+export class OrderFactory {
+ private readonly _defaultOrderParams: Partial<Order>;
+ private readonly _privateKey: Buffer;
+ constructor(privateKey: Buffer, defaultOrderParams: Partial<Order>) {
+ this._defaultOrderParams = defaultOrderParams;
+ this._privateKey = privateKey;
+ }
+ public async newSignedOrderAsync(
+ customOrderParams: Partial<Order> = {},
+ signatureType: SignatureType = SignatureType.EthSign,
+ ): Promise<SignedOrder> {
+ const tenMinutesInSeconds = 10 * 60;
+ const currentBlockTimestamp = await getLatestBlockTimestampAsync();
+ const order = ({
+ senderAddress: constants.NULL_ADDRESS,
+ expirationTimeSeconds: new BigNumber(currentBlockTimestamp).add(tenMinutesInSeconds),
+ salt: generatePseudoRandomSalt(),
+ takerAddress: constants.NULL_ADDRESS,
+ ...this._defaultOrderParams,
+ ...customOrderParams,
+ } as any) as Order;
+ const orderHashBuff = orderHashUtils.getOrderHashBuffer(order);
+ const signature = signingUtils.signMessage(orderHashBuff, this._privateKey, signatureType);
+ const signedOrder = {
+ ...order,
+ signature: `0x${signature.toString('hex')}`,
+ };
+ return signedOrder;
+ }
+}
diff --git a/contracts/test-utils/src/order_utils.ts b/contracts/test-utils/src/order_utils.ts
new file mode 100644
index 000000000..4f7a34011
--- /dev/null
+++ b/contracts/test-utils/src/order_utils.ts
@@ -0,0 +1,58 @@
+import { OrderWithoutExchangeAddress, SignedOrder } from '@0x/types';
+import { BigNumber } from '@0x/utils';
+
+import { constants } from './constants';
+import { CancelOrder, MatchOrder } from './types';
+
+export const orderUtils = {
+ getPartialAmountFloor(numerator: BigNumber, denominator: BigNumber, target: BigNumber): BigNumber {
+ const partialAmount = numerator
+ .mul(target)
+ .div(denominator)
+ .floor();
+ return partialAmount;
+ },
+ createFill: (signedOrder: SignedOrder, takerAssetFillAmount?: BigNumber) => {
+ const fill = {
+ order: orderUtils.getOrderWithoutExchangeAddress(signedOrder),
+ takerAssetFillAmount: takerAssetFillAmount || signedOrder.takerAssetAmount,
+ signature: signedOrder.signature,
+ };
+ return fill;
+ },
+ createCancel(signedOrder: SignedOrder, takerAssetCancelAmount?: BigNumber): CancelOrder {
+ const cancel = {
+ order: orderUtils.getOrderWithoutExchangeAddress(signedOrder),
+ takerAssetCancelAmount: takerAssetCancelAmount || signedOrder.takerAssetAmount,
+ };
+ return cancel;
+ },
+ getOrderWithoutExchangeAddress(signedOrder: SignedOrder): OrderWithoutExchangeAddress {
+ const orderStruct = {
+ senderAddress: signedOrder.senderAddress,
+ makerAddress: signedOrder.makerAddress,
+ takerAddress: signedOrder.takerAddress,
+ feeRecipientAddress: signedOrder.feeRecipientAddress,
+ makerAssetAmount: signedOrder.makerAssetAmount,
+ takerAssetAmount: signedOrder.takerAssetAmount,
+ makerFee: signedOrder.makerFee,
+ takerFee: signedOrder.takerFee,
+ expirationTimeSeconds: signedOrder.expirationTimeSeconds,
+ salt: signedOrder.salt,
+ makerAssetData: signedOrder.makerAssetData,
+ takerAssetData: signedOrder.takerAssetData,
+ };
+ return orderStruct;
+ },
+ createMatchOrders(signedOrderLeft: SignedOrder, signedOrderRight: SignedOrder): MatchOrder {
+ const fill = {
+ left: orderUtils.getOrderWithoutExchangeAddress(signedOrderLeft),
+ right: orderUtils.getOrderWithoutExchangeAddress(signedOrderRight),
+ leftSignature: signedOrderLeft.signature,
+ rightSignature: signedOrderRight.signature,
+ };
+ fill.right.makerAssetData = constants.NULL_BYTES;
+ fill.right.takerAssetData = constants.NULL_BYTES;
+ return fill;
+ },
+};
diff --git a/contracts/test-utils/src/profiler.ts b/contracts/test-utils/src/profiler.ts
new file mode 100644
index 000000000..2c7c1d66c
--- /dev/null
+++ b/contracts/test-utils/src/profiler.ts
@@ -0,0 +1,27 @@
+import { devConstants } from '@0x/dev-utils';
+import { ProfilerSubprovider, SolCompilerArtifactAdapter } from '@0x/sol-cov';
+import * as _ from 'lodash';
+
+let profilerSubprovider: ProfilerSubprovider;
+
+export const profiler = {
+ start(): void {
+ profiler.getProfilerSubproviderSingleton().start();
+ },
+ stop(): void {
+ profiler.getProfilerSubproviderSingleton().stop();
+ },
+ getProfilerSubproviderSingleton(): ProfilerSubprovider {
+ if (_.isUndefined(profilerSubprovider)) {
+ profilerSubprovider = profiler._getProfilerSubprovider();
+ }
+ return profilerSubprovider;
+ },
+ _getProfilerSubprovider(): ProfilerSubprovider {
+ const defaultFromAddress = devConstants.TESTRPC_FIRST_ADDRESS;
+ const solCompilerArtifactAdapter = new SolCompilerArtifactAdapter();
+ const isVerbose = true;
+ const subprovider = new ProfilerSubprovider(solCompilerArtifactAdapter, defaultFromAddress, isVerbose);
+ return subprovider;
+ },
+};
diff --git a/contracts/test-utils/src/revert_trace.ts b/contracts/test-utils/src/revert_trace.ts
new file mode 100644
index 000000000..3f74fd28b
--- /dev/null
+++ b/contracts/test-utils/src/revert_trace.ts
@@ -0,0 +1,21 @@
+import { devConstants } from '@0x/dev-utils';
+import { RevertTraceSubprovider, SolCompilerArtifactAdapter } from '@0x/sol-cov';
+import * as _ from 'lodash';
+
+let revertTraceSubprovider: RevertTraceSubprovider;
+
+export const revertTrace = {
+ getRevertTraceSubproviderSingleton(): RevertTraceSubprovider {
+ if (_.isUndefined(revertTraceSubprovider)) {
+ revertTraceSubprovider = revertTrace._getRevertTraceSubprovider();
+ }
+ return revertTraceSubprovider;
+ },
+ _getRevertTraceSubprovider(): RevertTraceSubprovider {
+ const defaultFromAddress = devConstants.TESTRPC_FIRST_ADDRESS;
+ const solCompilerArtifactAdapter = new SolCompilerArtifactAdapter();
+ const isVerbose = true;
+ const subprovider = new RevertTraceSubprovider(solCompilerArtifactAdapter, defaultFromAddress, isVerbose);
+ return subprovider;
+ },
+};
diff --git a/contracts/test-utils/src/signing_utils.ts b/contracts/test-utils/src/signing_utils.ts
new file mode 100644
index 000000000..21f864bfa
--- /dev/null
+++ b/contracts/test-utils/src/signing_utils.ts
@@ -0,0 +1,29 @@
+import { SignatureType } from '@0x/types';
+import * as ethUtil from 'ethereumjs-util';
+
+export const signingUtils = {
+ signMessage(message: Buffer, privateKey: Buffer, signatureType: SignatureType): Buffer {
+ if (signatureType === SignatureType.EthSign) {
+ const prefixedMessage = ethUtil.hashPersonalMessage(message);
+ const ecSignature = ethUtil.ecsign(prefixedMessage, privateKey);
+ const signature = Buffer.concat([
+ ethUtil.toBuffer(ecSignature.v),
+ ecSignature.r,
+ ecSignature.s,
+ ethUtil.toBuffer(signatureType),
+ ]);
+ return signature;
+ } else if (signatureType === SignatureType.EIP712) {
+ const ecSignature = ethUtil.ecsign(message, privateKey);
+ const signature = Buffer.concat([
+ ethUtil.toBuffer(ecSignature.v),
+ ecSignature.r,
+ ecSignature.s,
+ ethUtil.toBuffer(signatureType),
+ ]);
+ return signature;
+ } else {
+ throw new Error(`${signatureType} is not a valid signature type`);
+ }
+ },
+};
diff --git a/contracts/test-utils/src/test_with_reference.ts b/contracts/test-utils/src/test_with_reference.ts
new file mode 100644
index 000000000..b80be4a6c
--- /dev/null
+++ b/contracts/test-utils/src/test_with_reference.ts
@@ -0,0 +1,139 @@
+import * as chai from 'chai';
+import * as _ from 'lodash';
+
+import { chaiSetup } from './chai_setup';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+class Value<T> {
+ public value: T;
+ constructor(value: T) {
+ this.value = value;
+ }
+}
+
+// tslint:disable-next-line: max-classes-per-file
+class ErrorMessage {
+ public error: string;
+ constructor(message: string) {
+ this.error = message;
+ }
+}
+
+type PromiseResult<T> = Value<T> | ErrorMessage;
+
+// TODO(albrow): This seems like a generic utility function that could exist in
+// lodash. We should replace it by a library implementation, or move it to our
+// own.
+async function evaluatePromise<T>(promise: Promise<T>): Promise<PromiseResult<T>> {
+ try {
+ return new Value<T>(await promise);
+ } catch (e) {
+ return new ErrorMessage(e.message);
+ }
+}
+
+export async function testWithReferenceFuncAsync<P0, R>(
+ referenceFunc: (p0: P0) => Promise<R>,
+ testFunc: (p0: P0) => Promise<R>,
+ values: [P0],
+): Promise<void>;
+export async function testWithReferenceFuncAsync<P0, P1, R>(
+ referenceFunc: (p0: P0, p1: P1) => Promise<R>,
+ testFunc: (p0: P0, p1: P1) => Promise<R>,
+ values: [P0, P1],
+): Promise<void>;
+export async function testWithReferenceFuncAsync<P0, P1, P2, R>(
+ referenceFunc: (p0: P0, p1: P1, p2: P2) => Promise<R>,
+ testFunc: (p0: P0, p1: P1, p2: P2) => Promise<R>,
+ values: [P0, P1, P2],
+): Promise<void>;
+export async function testWithReferenceFuncAsync<P0, P1, P2, P3, R>(
+ referenceFunc: (p0: P0, p1: P1, p2: P2, p3: P3) => Promise<R>,
+ testFunc: (p0: P0, p1: P1, p2: P2, p3: P3) => Promise<R>,
+ values: [P0, P1, P2, P3],
+): Promise<void>;
+export async function testWithReferenceFuncAsync<P0, P1, P2, P3, P4, R>(
+ referenceFunc: (p0: P0, p1: P1, p2: P2, p3: P3, p4: P4) => Promise<R>,
+ testFunc: (p0: P0, p1: P1, p2: P2, p3: P3, p4: P4) => Promise<R>,
+ values: [P0, P1, P2, P3, P4],
+): Promise<void>;
+
+/**
+ * Tests the behavior of a test function by comparing it to the expected
+ * behavior (defined by a reference function).
+ *
+ * First the reference function will be called to obtain an "expected result",
+ * or if the reference function throws/rejects, an "expected error". Next, the
+ * test function will be called to obtain an "actual result", or if the test
+ * function throws/rejects, an "actual error". The test passes if at least one
+ * of the following conditions is met:
+ *
+ * 1) Neither the reference function or the test function throw and the
+ * "expected result" equals the "actual result".
+ *
+ * 2) Both the reference function and the test function throw and the "actual
+ * error" message *contains* the "expected error" message.
+ *
+ * @param referenceFuncAsync a reference function implemented in pure
+ * JavaScript/TypeScript which accepts N arguments and returns the "expected
+ * result" or throws/rejects with the "expected error".
+ * @param testFuncAsync a test function which, e.g., makes a call or sends a
+ * transaction to a contract. It accepts the same N arguments returns the
+ * "actual result" or throws/rejects with the "actual error".
+ * @param values an array of N values, where each value corresponds in-order to
+ * an argument to both the test function and the reference function.
+ * @return A Promise that resolves if the test passes and rejects if the test
+ * fails, according to the rules described above.
+ */
+export async function testWithReferenceFuncAsync(
+ referenceFuncAsync: (...args: any[]) => Promise<any>,
+ testFuncAsync: (...args: any[]) => Promise<any>,
+ values: any[],
+): Promise<void> {
+ // Measure correct behaviour
+ const expected = await evaluatePromise(referenceFuncAsync(...values));
+
+ // Measure actual behaviour
+ const actual = await evaluatePromise(testFuncAsync(...values));
+
+ // Compare behaviour
+ if (expected instanceof ErrorMessage) {
+ // If we expected an error, check if the actual error message contains the
+ // expected error message.
+ if (!(actual instanceof ErrorMessage)) {
+ throw new Error(
+ `Expected error containing ${expected.error} but got no error\n\tTest case: ${_getTestCaseString(
+ referenceFuncAsync,
+ values,
+ )}`,
+ );
+ }
+ expect(actual.error).to.contain(
+ expected.error,
+ `${actual.error}\n\tTest case: ${_getTestCaseString(referenceFuncAsync, values)}`,
+ );
+ } else {
+ // If we do not expect an error, compare actual and expected directly.
+ expect(actual).to.deep.equal(expected, `Test case ${_getTestCaseString(referenceFuncAsync, values)}`);
+ }
+}
+
+function _getTestCaseString(referenceFuncAsync: (...args: any[]) => Promise<any>, values: any[]): string {
+ const paramNames = _getParameterNames(referenceFuncAsync);
+ return JSON.stringify(_.zipObject(paramNames, values));
+}
+
+// Source: https://stackoverflow.com/questions/1007981/how-to-get-function-parameter-names-values-dynamically
+function _getParameterNames(func: (...args: any[]) => any): string[] {
+ return _.toString(func)
+ .replace(/[/][/].*$/gm, '') // strip single-line comments
+ .replace(/\s+/g, '') // strip white space
+ .replace(/[/][*][^/*]*[*][/]/g, '') // strip multi-line comments
+ .split('){', 1)[0]
+ .replace(/^[^(]*[(]/, '') // extract the parameters
+ .replace(/=[^,]+/g, '') // strip any ES6 defaults
+ .split(',')
+ .filter(Boolean); // split & filter [""]
+}
diff --git a/contracts/test-utils/src/transaction_factory.ts b/contracts/test-utils/src/transaction_factory.ts
new file mode 100644
index 000000000..dbab3ade4
--- /dev/null
+++ b/contracts/test-utils/src/transaction_factory.ts
@@ -0,0 +1,37 @@
+import { eip712Utils, generatePseudoRandomSalt } from '@0x/order-utils';
+import { SignatureType } from '@0x/types';
+import { signTypedDataUtils } from '@0x/utils';
+import * as ethUtil from 'ethereumjs-util';
+
+import { signingUtils } from './signing_utils';
+import { SignedTransaction } from './types';
+
+export class TransactionFactory {
+ private readonly _signerBuff: Buffer;
+ private readonly _exchangeAddress: string;
+ private readonly _privateKey: Buffer;
+ constructor(privateKey: Buffer, exchangeAddress: string) {
+ this._privateKey = privateKey;
+ this._exchangeAddress = exchangeAddress;
+ this._signerBuff = ethUtil.privateToAddress(this._privateKey);
+ }
+ public newSignedTransaction(data: string, signatureType: SignatureType = SignatureType.EthSign): SignedTransaction {
+ const salt = generatePseudoRandomSalt();
+ const signerAddress = `0x${this._signerBuff.toString('hex')}`;
+ const executeTransactionData = {
+ salt,
+ signerAddress,
+ data,
+ };
+
+ const typedData = eip712Utils.createZeroExTransactionTypedData(executeTransactionData, this._exchangeAddress);
+ const eip712MessageBuffer = signTypedDataUtils.generateTypedDataHash(typedData);
+ const signature = signingUtils.signMessage(eip712MessageBuffer, this._privateKey, signatureType);
+ const signedTx = {
+ exchangeAddress: this._exchangeAddress,
+ signature: `0x${signature.toString('hex')}`,
+ ...executeTransactionData,
+ };
+ return signedTx;
+ }
+}
diff --git a/contracts/test-utils/src/type_encoding_utils.ts b/contracts/test-utils/src/type_encoding_utils.ts
new file mode 100644
index 000000000..bfd9c9ef5
--- /dev/null
+++ b/contracts/test-utils/src/type_encoding_utils.ts
@@ -0,0 +1,21 @@
+import { BigNumber } from '@0x/utils';
+import BN = require('bn.js');
+import ethUtil = require('ethereumjs-util');
+
+import { constants } from './constants';
+
+export const typeEncodingUtils = {
+ encodeUint256(value: BigNumber): Buffer {
+ const base = 10;
+ const formattedValue = new BN(value.toString(base));
+ const encodedValue = ethUtil.toBuffer(formattedValue);
+ // tslint:disable-next-line:custom-no-magic-numbers
+ const paddedValue = ethUtil.setLengthLeft(encodedValue, constants.WORD_LENGTH);
+ return paddedValue;
+ },
+ decodeUint256(encodedValue: Buffer): BigNumber {
+ const formattedValue = ethUtil.bufferToHex(encodedValue);
+ const value = new BigNumber(formattedValue, constants.BASE_16);
+ return value;
+ },
+};
diff --git a/contracts/test-utils/src/types.ts b/contracts/test-utils/src/types.ts
new file mode 100644
index 000000000..d738fcd4e
--- /dev/null
+++ b/contracts/test-utils/src/types.ts
@@ -0,0 +1,242 @@
+import { OrderWithoutExchangeAddress } from '@0x/types';
+import { BigNumber } from '@0x/utils';
+import { AbiDefinition } from 'ethereum-types';
+
+export interface ERC20BalancesByOwner {
+ [ownerAddress: string]: {
+ [tokenAddress: string]: BigNumber;
+ };
+}
+
+export interface ERC721TokenIdsByOwner {
+ [ownerAddress: string]: {
+ [tokenAddress: string]: BigNumber[];
+ };
+}
+
+export interface SubmissionContractEventArgs {
+ transactionId: BigNumber;
+}
+
+export interface BatchFillOrders {
+ orders: OrderWithoutExchangeAddress[];
+ signatures: string[];
+ takerAssetFillAmounts: BigNumber[];
+}
+
+export interface MarketSellOrders {
+ orders: OrderWithoutExchangeAddress[];
+ signatures: string[];
+ takerAssetFillAmount: BigNumber;
+}
+
+export interface MarketBuyOrders {
+ orders: OrderWithoutExchangeAddress[];
+ signatures: string[];
+ makerAssetFillAmount: BigNumber;
+}
+
+export interface BatchCancelOrders {
+ orders: OrderWithoutExchangeAddress[];
+}
+
+export interface CancelOrdersBefore {
+ salt: BigNumber;
+}
+
+export interface TransactionDataParams {
+ name: string;
+ abi: AbiDefinition[];
+ args: any[];
+}
+
+export interface MultiSigConfig {
+ owners: string[];
+ confirmationsRequired: number;
+ secondsRequired: number;
+}
+
+export interface MultiSigConfigByNetwork {
+ [networkName: string]: MultiSigConfig;
+}
+
+export interface Token {
+ address?: string;
+ name: string;
+ symbol: string;
+ decimals: number;
+ ipfsHash: string;
+ swarmHash: string;
+}
+
+export enum OrderStatus {
+ INVALID,
+ INVALID_MAKER_ASSET_AMOUNT,
+ INVALID_TAKER_ASSET_AMOUNT,
+ FILLABLE,
+ EXPIRED,
+ FULLY_FILLED,
+ CANCELLED,
+}
+
+export enum ContractName {
+ TokenRegistry = 'TokenRegistry',
+ MultiSigWalletWithTimeLock = 'MultiSigWalletWithTimeLock',
+ Exchange = 'Exchange',
+ ZRXToken = 'ZRXToken',
+ DummyERC20Token = 'DummyERC20Token',
+ EtherToken = 'WETH9',
+ DutchAuction = 'DutchAuction',
+ AssetProxyOwner = 'AssetProxyOwner',
+ AccountLevels = 'AccountLevels',
+ EtherDelta = 'EtherDelta',
+ Arbitrage = 'Arbitrage',
+ TestAssetDataDecoders = 'TestAssetDataDecoders',
+ TestAssetProxyDispatcher = 'TestAssetProxyDispatcher',
+ TestLibs = 'TestLibs',
+ TestSignatureValidator = 'TestSignatureValidator',
+ ERC20Proxy = 'ERC20Proxy',
+ ERC721Proxy = 'ERC721Proxy',
+ DummyERC721Receiver = 'DummyERC721Receiver',
+ DummyERC721Token = 'DummyERC721Token',
+ TestLibBytes = 'TestLibBytes',
+ TestWallet = 'TestWallet',
+ Authorizable = 'Authorizable',
+ Whitelist = 'Whitelist',
+ Forwarder = 'Forwarder',
+}
+
+export interface SignedTransaction {
+ exchangeAddress: string;
+ salt: BigNumber;
+ signerAddress: string;
+ data: string;
+ signature: string;
+}
+
+export interface TransferAmountsByMatchOrders {
+ // Left Maker
+ amountBoughtByLeftMaker: BigNumber;
+ amountSoldByLeftMaker: BigNumber;
+ feePaidByLeftMaker: BigNumber;
+ // Right Maker
+ amountBoughtByRightMaker: BigNumber;
+ amountSoldByRightMaker: BigNumber;
+ feePaidByRightMaker: BigNumber;
+ // Taker
+ amountReceivedByTaker: BigNumber;
+ feePaidByTakerLeft: BigNumber;
+ feePaidByTakerRight: BigNumber;
+}
+
+export interface TransferAmountsLoggedByMatchOrders {
+ makerAddress: string;
+ takerAddress: string;
+ makerAssetFilledAmount: string;
+ takerAssetFilledAmount: string;
+ makerFeePaid: string;
+ takerFeePaid: string;
+}
+
+export interface OrderInfo {
+ orderStatus: number;
+ orderHash: string;
+ orderTakerAssetFilledAmount: BigNumber;
+}
+
+export interface CancelOrder {
+ order: OrderWithoutExchangeAddress;
+ takerAssetCancelAmount: BigNumber;
+}
+
+export interface MatchOrder {
+ left: OrderWithoutExchangeAddress;
+ right: OrderWithoutExchangeAddress;
+ leftSignature: string;
+ rightSignature: string;
+}
+
+// Combinatorial testing types
+
+export enum FeeRecipientAddressScenario {
+ BurnAddress = 'BURN_ADDRESS',
+ EthUserAddress = 'ETH_USER_ADDRESS',
+}
+
+export enum OrderAssetAmountScenario {
+ Zero = 'ZERO',
+ Large = 'LARGE',
+ Small = 'SMALL',
+}
+
+export enum TakerScenario {
+ CorrectlySpecified = 'CORRECTLY_SPECIFIED',
+ IncorrectlySpecified = 'INCORRECTLY_SPECIFIED',
+ Unspecified = 'UNSPECIFIED',
+}
+
+export enum ExpirationTimeSecondsScenario {
+ InPast = 'IN_PAST',
+ InFuture = 'IN_FUTURE',
+}
+
+export enum AssetDataScenario {
+ ERC20ZeroDecimals = 'ERC20_ZERO_DECIMALS',
+ ZRXFeeToken = 'ZRX_FEE_TOKEN',
+ ERC20FiveDecimals = 'ERC20_FIVE_DECIMALS',
+ ERC20NonZRXEighteenDecimals = 'ERC20_NON_ZRX_EIGHTEEN_DECIMALS',
+ ERC721 = 'ERC721',
+}
+
+export enum TakerAssetFillAmountScenario {
+ Zero = 'ZERO',
+ GreaterThanRemainingFillableTakerAssetAmount = 'GREATER_THAN_REMAINING_FILLABLE_TAKER_ASSET_AMOUNT',
+ LessThanRemainingFillableTakerAssetAmount = 'LESS_THAN_REMAINING_FILLABLE_TAKER_ASSET_AMOUNT',
+ ExactlyRemainingFillableTakerAssetAmount = 'EXACTLY_REMAINING_FILLABLE_TAKER_ASSET_AMOUNT',
+}
+
+export interface OrderScenario {
+ takerScenario: TakerScenario;
+ feeRecipientScenario: FeeRecipientAddressScenario;
+ makerAssetAmountScenario: OrderAssetAmountScenario;
+ takerAssetAmountScenario: OrderAssetAmountScenario;
+ makerFeeScenario: OrderAssetAmountScenario;
+ takerFeeScenario: OrderAssetAmountScenario;
+ expirationTimeSecondsScenario: ExpirationTimeSecondsScenario;
+ makerAssetDataScenario: AssetDataScenario;
+ takerAssetDataScenario: AssetDataScenario;
+}
+
+export enum BalanceAmountScenario {
+ Exact = 'EXACT',
+ TooLow = 'TOO_LOW',
+ Higher = 'HIGHER',
+}
+
+export enum AllowanceAmountScenario {
+ Exact = 'EXACT',
+ TooLow = 'TOO_LOW',
+ Higher = 'HIGHER',
+ Unlimited = 'UNLIMITED',
+}
+
+export interface TraderStateScenario {
+ traderAssetBalance: BalanceAmountScenario;
+ traderAssetAllowance: AllowanceAmountScenario;
+ zrxFeeBalance: BalanceAmountScenario;
+ zrxFeeAllowance: AllowanceAmountScenario;
+}
+
+export interface FillScenario {
+ orderScenario: OrderScenario;
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario;
+ makerStateScenario: TraderStateScenario;
+ takerStateScenario: TraderStateScenario;
+}
+
+export interface FillResults {
+ makerAssetFilledAmount: BigNumber;
+ takerAssetFilledAmount: BigNumber;
+ makerFeePaid: BigNumber;
+ takerFeePaid: BigNumber;
+}
diff --git a/contracts/test-utils/src/web3_wrapper.ts b/contracts/test-utils/src/web3_wrapper.ts
new file mode 100644
index 000000000..cb33476f3
--- /dev/null
+++ b/contracts/test-utils/src/web3_wrapper.ts
@@ -0,0 +1,85 @@
+import { devConstants, env, EnvVars, web3Factory } from '@0x/dev-utils';
+import { prependSubprovider, Web3ProviderEngine } from '@0x/subproviders';
+import { logUtils } from '@0x/utils';
+import { Web3Wrapper } from '@0x/web3-wrapper';
+import * as _ from 'lodash';
+
+import { coverage } from './coverage';
+import { profiler } from './profiler';
+import { revertTrace } from './revert_trace';
+
+enum ProviderType {
+ Ganache = 'ganache',
+ Geth = 'geth',
+}
+
+let testProvider: ProviderType;
+switch (process.env.TEST_PROVIDER) {
+ case undefined:
+ testProvider = ProviderType.Ganache;
+ break;
+ case 'ganache':
+ testProvider = ProviderType.Ganache;
+ break;
+ case 'geth':
+ testProvider = ProviderType.Geth;
+ break;
+ default:
+ throw new Error(`Unknown TEST_PROVIDER: ${process.env.TEST_PROVIDER}`);
+}
+
+const ganacheTxDefaults = {
+ from: devConstants.TESTRPC_FIRST_ADDRESS,
+ gas: devConstants.GAS_LIMIT,
+};
+const gethTxDefaults = {
+ from: devConstants.TESTRPC_FIRST_ADDRESS,
+};
+export const txDefaults = testProvider === ProviderType.Ganache ? ganacheTxDefaults : gethTxDefaults;
+
+const gethConfigs = {
+ shouldUseInProcessGanache: false,
+ rpcUrl: 'http://localhost:8501',
+ shouldUseFakeGasEstimate: false,
+};
+const ganacheConfigs = {
+ shouldUseInProcessGanache: true,
+};
+const providerConfigs = testProvider === ProviderType.Ganache ? ganacheConfigs : gethConfigs;
+
+export const provider: Web3ProviderEngine = web3Factory.getRpcProvider(providerConfigs);
+provider.stop();
+const isCoverageEnabled = env.parseBoolean(EnvVars.SolidityCoverage);
+const isProfilerEnabled = env.parseBoolean(EnvVars.SolidityProfiler);
+const isRevertTraceEnabled = env.parseBoolean(EnvVars.SolidityRevertTrace);
+const enabledSubproviderCount = _.filter(
+ [isCoverageEnabled, isProfilerEnabled, isRevertTraceEnabled],
+ _.identity.bind(_),
+).length;
+if (enabledSubproviderCount > 1) {
+ throw new Error(`Only one of coverage, profiler, or revert trace subproviders can be enabled at a time`);
+}
+if (isCoverageEnabled) {
+ const coverageSubprovider = coverage.getCoverageSubproviderSingleton();
+ prependSubprovider(provider, coverageSubprovider);
+}
+if (isProfilerEnabled) {
+ if (testProvider === ProviderType.Ganache) {
+ logUtils.warn(
+ "Gas costs in Ganache traces are incorrect and we don't recommend using it for profiling. Please switch to Geth",
+ );
+ process.exit(1);
+ }
+ const profilerSubprovider = profiler.getProfilerSubproviderSingleton();
+ logUtils.log(
+ "By default profilerSubprovider is stopped so that you don't get noise from setup code. Don't forget to start it before the code you want to profile and stop it afterwards",
+ );
+ profilerSubprovider.stop();
+ prependSubprovider(provider, profilerSubprovider);
+}
+if (isRevertTraceEnabled) {
+ const revertTraceSubprovider = revertTrace.getRevertTraceSubproviderSingleton();
+ prependSubprovider(provider, revertTraceSubprovider);
+}
+
+export const web3Wrapper = new Web3Wrapper(provider);