Merge branch 'v2-prototype' of github.com:0xProject/0x-monorepo into v2-prototype

* 'v2-prototype' of github.com:0xProject/0x-monorepo:
  Rename some variables in multi_sig_with_time_lock.ts
  Remove extra awaitTransactionMinedAsync calls
  Apply changes to test/exchange/match_orders.ts
  Fix some unhandled promise rejections
  Add awaitTransactionMinedAsync after every sent transaction
  Add missing blockchainLifecycle calls to contracts tests

16 files changed, 419 insertions, 175 deletions

diff --git a/packages/contracts/src/utils/constants.ts b/packages/contracts/src/utils/constants.ts
index 3fd2a0a3b..b876bf6b5 100644
--- a/packages/contracts/src/utils/constants.ts
+++ b/packages/contracts/src/utils/constants.ts
@@ -20,6 +20,7 @@ export const constants = {
     INVALID_OPCODE: 'invalid opcode',
     REVERT: 'revert',
     TESTRPC_NETWORK_ID: 50,
+    AWAIT_TRANSACTION_MINED_MS: 100,
     MAX_ETHERTOKEN_WITHDRAW_GAS: 43000,
     MAX_TOKEN_TRANSFERFROM_GAS: 80000,
     MAX_TOKEN_APPROVE_GAS: 60000,
diff --git a/packages/contracts/test/asset_proxy/authorizable.ts b/packages/contracts/test/asset_proxy/authorizable.ts
index 636b9096b..52e9ea87f 100644
--- a/packages/contracts/test/asset_proxy/authorizable.ts
+++ b/packages/contracts/test/asset_proxy/authorizable.ts
@@ -20,6 +20,12 @@ describe('Authorizable', () => {
     let address: string;
     let authorizable: MixinAuthorizableContract;
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = address = accounts[0];
         notOwner = accounts[1];
@@ -42,12 +48,18 @@ describe('Authorizable', () => {
             ).to.be.rejectedWith(constants.REVERT);
         });
         it('should allow owner to add an authorized address', async () => {
-            await authorizable.addAuthorizedAddress.sendTransactionAsync(address, { from: owner });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await authorizable.addAuthorizedAddress.sendTransactionAsync(address, { from: owner }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
             const isAuthorized = await authorizable.authorized.callAsync(address);
             expect(isAuthorized).to.be.true();
         });
         it('should throw if owner attempts to authorize a duplicate address', async () => {
-            await authorizable.addAuthorizedAddress.sendTransactionAsync(address, { from: owner });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await authorizable.addAuthorizedAddress.sendTransactionAsync(address, { from: owner }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
             return expect(
                 authorizable.addAuthorizedAddress.sendTransactionAsync(address, { from: owner }),
             ).to.be.rejectedWith(constants.REVERT);
@@ -56,7 +68,10 @@ describe('Authorizable', () => {
 
     describe('removeAuthorizedAddress', () => {
         it('should throw if not called by owner', async () => {
-            await authorizable.addAuthorizedAddress.sendTransactionAsync(address, { from: owner });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await authorizable.addAuthorizedAddress.sendTransactionAsync(address, { from: owner }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
             return expect(
                 authorizable.removeAuthorizedAddress.sendTransactionAsync(address, {
                     from: notOwner,
@@ -65,10 +80,16 @@ describe('Authorizable', () => {
         });
 
         it('should allow owner to remove an authorized address', async () => {
-            await authorizable.addAuthorizedAddress.sendTransactionAsync(address, { from: owner });
-            await authorizable.removeAuthorizedAddress.sendTransactionAsync(address, {
-                from: owner,
-            });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await authorizable.addAuthorizedAddress.sendTransactionAsync(address, { from: owner }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await authorizable.removeAuthorizedAddress.sendTransactionAsync(address, {
+                    from: owner,
+                }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
             const isAuthorized = await authorizable.authorized.callAsync(address);
             expect(isAuthorized).to.be.false();
         });
@@ -86,16 +107,22 @@ describe('Authorizable', () => {
         it('should return all authorized addresses', async () => {
             const initial = await authorizable.getAuthorizedAddresses.callAsync();
             expect(initial).to.have.length(0);
-            await authorizable.addAuthorizedAddress.sendTransactionAsync(address, {
-                from: owner,
-            });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await authorizable.addAuthorizedAddress.sendTransactionAsync(address, {
+                    from: owner,
+                }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
             const afterAdd = await authorizable.getAuthorizedAddresses.callAsync();
             expect(afterAdd).to.have.length(1);
             expect(afterAdd).to.include(address);
 
-            await authorizable.removeAuthorizedAddress.sendTransactionAsync(address, {
-                from: owner,
-            });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await authorizable.removeAuthorizedAddress.sendTransactionAsync(address, {
+                    from: owner,
+                }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
             const afterRemove = await authorizable.getAuthorizedAddresses.callAsync();
             expect(afterRemove).to.have.length(0);
         });
diff --git a/packages/contracts/test/asset_proxy/proxies.ts b/packages/contracts/test/asset_proxy/proxies.ts
index e7ef9a0d3..0f3080c99 100644
--- a/packages/contracts/test/asset_proxy/proxies.ts
+++ b/packages/contracts/test/asset_proxy/proxies.ts
@@ -40,6 +40,12 @@ describe('Asset Transfer Proxies', () => {
     let zeroEx: ZeroEx;
 
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         const usedAddresses = ([owner, notAuthorized, exchangeAddress, makerAddress, takerAddress] = accounts);
 
@@ -49,18 +55,24 @@ describe('Asset Transfer Proxies', () => {
         [zrxToken] = await erc20Wrapper.deployDummyTokensAsync();
         erc20Proxy = await erc20Wrapper.deployProxyAsync();
         await erc20Wrapper.setBalancesAndAllowancesAsync();
-        await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchangeAddress, {
-            from: owner,
-        });
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchangeAddress, {
+                from: owner,
+            }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
 
         [erc721Token] = await erc721Wrapper.deployDummyTokensAsync();
         erc721Proxy = await erc721Wrapper.deployProxyAsync();
         await erc721Wrapper.setBalancesAndAllowancesAsync();
         const erc721Balances = await erc721Wrapper.getBalancesAsync();
         erc721MakerTokenId = erc721Balances[makerAddress][erc721Token.address][0];
-        await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(exchangeAddress, {
-            from: owner,
-        });
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(exchangeAddress, {
+                from: owner,
+            }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
 
         zeroEx = new ZeroEx(provider, {
             networkId: constants.TESTRPC_NETWORK_ID,
@@ -80,12 +92,15 @@ describe('Asset Transfer Proxies', () => {
                 // Perform a transfer from makerAddress to takerAddress
                 const erc20Balances = await erc20Wrapper.getBalancesAsync();
                 const amount = new BigNumber(10);
-                await erc20Proxy.transferFrom.sendTransactionAsync(
-                    encodedProxyMetadata,
-                    makerAddress,
-                    takerAddress,
-                    amount,
-                    { from: exchangeAddress },
+                await web3Wrapper.awaitTransactionMinedAsync(
+                    await erc20Proxy.transferFrom.sendTransactionAsync(
+                        encodedProxyMetadata,
+                        makerAddress,
+                        takerAddress,
+                        amount,
+                        { from: exchangeAddress },
+                    ),
+                    constants.AWAIT_TRANSACTION_MINED_MS,
                 );
                 // Verify transfer was successful
                 const newBalances = await erc20Wrapper.getBalancesAsync();
@@ -103,12 +118,15 @@ describe('Asset Transfer Proxies', () => {
                 // Perform a transfer from makerAddress to takerAddress
                 const erc20Balances = await erc20Wrapper.getBalancesAsync();
                 const amount = new BigNumber(0);
-                await erc20Proxy.transferFrom.sendTransactionAsync(
-                    encodedProxyMetadata,
-                    makerAddress,
-                    takerAddress,
-                    amount,
-                    { from: exchangeAddress },
+                await web3Wrapper.awaitTransactionMinedAsync(
+                    await erc20Proxy.transferFrom.sendTransactionAsync(
+                        encodedProxyMetadata,
+                        makerAddress,
+                        takerAddress,
+                        amount,
+                        { from: exchangeAddress },
+                    ),
+                    constants.AWAIT_TRANSACTION_MINED_MS,
                 );
                 // Verify transfer was successful
                 const newBalances = await erc20Wrapper.getBalancesAsync();
@@ -126,9 +144,12 @@ describe('Asset Transfer Proxies', () => {
                 // Create allowance less than transfer amount. Set allowance on proxy.
                 const allowance = new BigNumber(0);
                 const transferAmount = new BigNumber(10);
-                await zrxToken.approve.sendTransactionAsync(erc20Proxy.address, allowance, {
-                    from: makerAddress,
-                });
+                await web3Wrapper.awaitTransactionMinedAsync(
+                    await zrxToken.approve.sendTransactionAsync(erc20Proxy.address, allowance, {
+                        from: makerAddress,
+                    }),
+                    constants.AWAIT_TRANSACTION_MINED_MS,
+                );
                 // Perform a transfer; expect this to fail.
                 return expect(
                     erc20Proxy.transferFrom.sendTransactionAsync(
@@ -179,7 +200,7 @@ describe('Asset Transfer Proxies', () => {
                     amounts,
                     { from: exchangeAddress },
                 );
-                const res = await zeroEx.awaitTransactionMinedAsync(txHash);
+                const res = await zeroEx.awaitTransactionMinedAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
                 const newBalances = await erc20Wrapper.getBalancesAsync();
 
                 expect(res.logs.length).to.equal(numTransfers);
@@ -200,7 +221,7 @@ describe('Asset Transfer Proxies', () => {
                 const toAddresses = _.times(numTransfers, () => takerAddress);
                 const amounts = _.times(numTransfers, () => amount);
 
-                expect(
+                return expect(
                     erc20Proxy.batchTransferFrom.sendTransactionAsync(
                         assetMetadata,
                         fromAddresses,
@@ -232,12 +253,15 @@ describe('Asset Transfer Proxies', () => {
                 // Perform a transfer from makerAddress to takerAddress
                 const erc20Balances = await erc20Wrapper.getBalancesAsync();
                 const amount = new BigNumber(1);
-                await erc721Proxy.transferFrom.sendTransactionAsync(
-                    encodedProxyMetadata,
-                    makerAddress,
-                    takerAddress,
-                    amount,
-                    { from: exchangeAddress },
+                await web3Wrapper.awaitTransactionMinedAsync(
+                    await erc721Proxy.transferFrom.sendTransactionAsync(
+                        encodedProxyMetadata,
+                        makerAddress,
+                        takerAddress,
+                        amount,
+                        { from: exchangeAddress },
+                    ),
+                    constants.AWAIT_TRANSACTION_MINED_MS,
                 );
                 // Verify transfer was successful
                 const newOwnerMakerAsset = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
@@ -297,9 +321,12 @@ describe('Asset Transfer Proxies', () => {
                     erc721MakerTokenId,
                 );
                 // Remove transfer approval for makerAddress.
-                await erc721Token.setApprovalForAll.sendTransactionAsync(erc721Proxy.address, false, {
-                    from: makerAddress,
-                });
+                await web3Wrapper.awaitTransactionMinedAsync(
+                    await erc721Token.setApprovalForAll.sendTransactionAsync(erc721Proxy.address, false, {
+                        from: makerAddress,
+                    }),
+                    constants.AWAIT_TRANSACTION_MINED_MS,
+                );
                 // Perform a transfer; expect this to fail.
                 const amount = new BigNumber(1);
                 return expect(
@@ -356,7 +383,7 @@ describe('Asset Transfer Proxies', () => {
                     amounts,
                     { from: exchangeAddress },
                 );
-                const res = await zeroEx.awaitTransactionMinedAsync(txHash);
+                const res = await zeroEx.awaitTransactionMinedAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
                 expect(res.logs.length).to.equal(numTransfers);
 
                 const newOwnerMakerAssetA = await erc721Token.ownerOf.callAsync(makerTokenIdA);
@@ -378,7 +405,7 @@ describe('Asset Transfer Proxies', () => {
                 const toAddresses = _.times(numTransfers, () => takerAddress);
                 const amounts = _.times(numTransfers, () => new BigNumber(1));
 
-                expect(
+                return expect(
                     erc721Proxy.batchTransferFrom.sendTransactionAsync(
                         assetMetadata,
                         fromAddresses,
diff --git a/packages/contracts/test/ether_token.ts b/packages/contracts/test/ether_token.ts
index 418fbc45e..4c647bbc7 100644
--- a/packages/contracts/test/ether_token.ts
+++ b/packages/contracts/test/ether_token.ts
@@ -20,6 +20,13 @@ describe('EtherToken', () => {
     const gasPrice = ZeroEx.toBaseUnitAmount(new BigNumber(20), 9);
     let zeroEx: ZeroEx;
     let etherTokenAddress: string;
+
+    before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
     before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         account = accounts[0];
diff --git a/packages/contracts/test/exchange/core.ts b/packages/contracts/test/exchange/core.ts
index be3252800..1edd44aff 100644
--- a/packages/contracts/test/exchange/core.ts
+++ b/packages/contracts/test/exchange/core.ts
@@ -62,6 +62,12 @@ describe('Exchange core', () => {
     let zeroEx: ZeroEx;
 
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         const usedAddresses = ([owner, makerAddress, takerAddress, feeRecipientAddress] = accounts);
 
@@ -93,12 +99,18 @@ describe('Exchange core', () => {
         await exchangeWrapper.registerAssetProxyAsync(AssetProxyId.ERC20, erc20Proxy.address, owner);
         await exchangeWrapper.registerAssetProxyAsync(AssetProxyId.ERC721, erc721Proxy.address, owner);
 
-        await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
-            from: owner,
-        });
-        await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
-            from: owner,
-        });
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
+                from: owner,
+            }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
+                from: owner,
+            }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
 
         defaultMakerAssetAddress = erc20TokenA.address;
         defaultTakerAssetAddress = erc20TokenB.address;
@@ -520,23 +532,39 @@ describe('Exchange core', () => {
         });
 
         it('should throw if maker allowances are too low to fill order', async () => {
-            await erc20TokenA.approve.sendTransactionAsync(erc20Proxy.address, new BigNumber(0), {
-                from: makerAddress,
-            });
-            expect(exchangeWrapper.fillOrderAsync(signedOrder, takerAddress)).to.be.rejectedWith(constants.REVERT);
-            await erc20TokenA.approve.sendTransactionAsync(erc20Proxy.address, constants.INITIAL_ERC20_ALLOWANCE, {
-                from: makerAddress,
-            });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await erc20TokenA.approve.sendTransactionAsync(erc20Proxy.address, new BigNumber(0), {
+                    from: makerAddress,
+                }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
+            await expect(exchangeWrapper.fillOrderAsync(signedOrder, takerAddress)).to.be.rejectedWith(
+                constants.REVERT,
+            );
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await erc20TokenA.approve.sendTransactionAsync(erc20Proxy.address, constants.INITIAL_ERC20_ALLOWANCE, {
+                    from: makerAddress,
+                }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
         });
 
         it('should throw if taker allowances are too low to fill order', async () => {
-            await erc20TokenB.approve.sendTransactionAsync(erc20Proxy.address, new BigNumber(0), {
-                from: takerAddress,
-            });
-            expect(exchangeWrapper.fillOrderAsync(signedOrder, takerAddress)).to.be.rejectedWith(constants.REVERT);
-            await erc20TokenB.approve.sendTransactionAsync(erc20Proxy.address, constants.INITIAL_ERC20_ALLOWANCE, {
-                from: takerAddress,
-            });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await erc20TokenB.approve.sendTransactionAsync(erc20Proxy.address, new BigNumber(0), {
+                    from: takerAddress,
+                }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
+            await expect(exchangeWrapper.fillOrderAsync(signedOrder, takerAddress)).to.be.rejectedWith(
+                constants.REVERT,
+            );
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await erc20TokenB.approve.sendTransactionAsync(erc20Proxy.address, constants.INITIAL_ERC20_ALLOWANCE, {
+                    from: takerAddress,
+                }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
         });
 
         it('should not change erc20Balances if an order is expired', async () => {
diff --git a/packages/contracts/test/exchange/dispatcher.ts b/packages/contracts/test/exchange/dispatcher.ts
index db2f18ddc..a1c37d8c8 100644
--- a/packages/contracts/test/exchange/dispatcher.ts
+++ b/packages/contracts/test/exchange/dispatcher.ts
@@ -37,6 +37,12 @@ describe('AssetProxyDispatcher', () => {
     let erc721Wrapper: ERC721Wrapper;
 
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         // Setup accounts & addresses
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         const usedAddresses = ([owner, notOwner, makerAddress, takerAddress] = accounts);
@@ -56,12 +62,18 @@ describe('AssetProxyDispatcher', () => {
             provider,
             txDefaults,
         );
-        await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(assetProxyDispatcher.address, {
-            from: owner,
-        });
-        await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(assetProxyDispatcher.address, {
-            from: owner,
-        });
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(assetProxyDispatcher.address, {
+                from: owner,
+            }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(assetProxyDispatcher.address, {
+                from: owner,
+            }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
     });
     beforeEach(async () => {
         await blockchainLifecycle.startAsync();
@@ -72,11 +84,14 @@ describe('AssetProxyDispatcher', () => {
     describe('registerAssetProxy', () => {
         it('should record proxy upon registration', async () => {
             const prevProxyAddress = ZeroEx.NULL_ADDRESS;
-            await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
-                AssetProxyId.ERC20,
-                erc20Proxy.address,
-                prevProxyAddress,
-                { from: owner },
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
+                    AssetProxyId.ERC20,
+                    erc20Proxy.address,
+                    prevProxyAddress,
+                    { from: owner },
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
             );
             const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
             expect(proxyAddress).to.be.equal(erc20Proxy.address);
@@ -85,21 +100,27 @@ describe('AssetProxyDispatcher', () => {
         it('should be able to record multiple proxies', async () => {
             // Record first proxy
             const prevERC20ProxyAddress = ZeroEx.NULL_ADDRESS;
-            await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
-                AssetProxyId.ERC20,
-                erc20Proxy.address,
-                prevERC20ProxyAddress,
-                { from: owner },
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
+                    AssetProxyId.ERC20,
+                    erc20Proxy.address,
+                    prevERC20ProxyAddress,
+                    { from: owner },
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
             );
             let proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
             expect(proxyAddress).to.be.equal(erc20Proxy.address);
             // Record another proxy
             const prevERC721ProxyAddress = ZeroEx.NULL_ADDRESS;
-            await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
-                AssetProxyId.ERC721,
-                erc721Proxy.address,
-                prevERC721ProxyAddress,
-                { from: owner },
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
+                    AssetProxyId.ERC721,
+                    erc721Proxy.address,
+                    prevERC721ProxyAddress,
+                    { from: owner },
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
             );
             proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC721);
             expect(proxyAddress).to.be.equal(erc721Proxy.address);
@@ -108,11 +129,14 @@ describe('AssetProxyDispatcher', () => {
         it('should replace proxy address upon re-registration', async () => {
             // Initial registration
             const prevProxyAddress = ZeroEx.NULL_ADDRESS;
-            await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
-                AssetProxyId.ERC20,
-                erc20Proxy.address,
-                prevProxyAddress,
-                { from: owner },
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
+                    AssetProxyId.ERC20,
+                    erc20Proxy.address,
+                    prevProxyAddress,
+                    { from: owner },
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
             );
             let proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
             expect(proxyAddress).to.be.equal(erc20Proxy.address);
@@ -125,11 +149,14 @@ describe('AssetProxyDispatcher', () => {
             // Register new ERC20 Transfer Proxy contract
             const newAddress = newErc20TransferProxy.address;
             const currentAddress = erc20Proxy.address;
-            await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
-                AssetProxyId.ERC20,
-                newAddress,
-                currentAddress,
-                { from: owner },
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
+                    AssetProxyId.ERC20,
+                    newAddress,
+                    currentAddress,
+                    { from: owner },
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
             );
             // Verify new asset proxy has replaced initial version
             proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
@@ -139,11 +166,14 @@ describe('AssetProxyDispatcher', () => {
         it('should throw if registering with incorrect "currentAssetProxyAddress" field', async () => {
             // Initial registration
             const prevProxyAddress = ZeroEx.NULL_ADDRESS;
-            await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
-                AssetProxyId.ERC20,
-                erc20Proxy.address,
-                prevProxyAddress,
-                { from: owner },
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
+                    AssetProxyId.ERC20,
+                    erc20Proxy.address,
+                    prevProxyAddress,
+                    { from: owner },
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
             );
             const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
             expect(proxyAddress).to.be.equal(erc20Proxy.address);
@@ -161,21 +191,27 @@ describe('AssetProxyDispatcher', () => {
         it('should be able to reset proxy address to NULL', async () => {
             // Initial registration
             const prevProxyAddress = ZeroEx.NULL_ADDRESS;
-            await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
-                AssetProxyId.ERC20,
-                erc20Proxy.address,
-                prevProxyAddress,
-                { from: owner },
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
+                    AssetProxyId.ERC20,
+                    erc20Proxy.address,
+                    prevProxyAddress,
+                    { from: owner },
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
             );
             const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
             expect(proxyAddress).to.be.equal(erc20Proxy.address);
             // The following transaction will reset the proxy address
             const newProxyAddress = ZeroEx.NULL_ADDRESS;
-            await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
-                AssetProxyId.ERC20,
-                newProxyAddress,
-                erc20Proxy.address,
-                { from: owner },
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
+                    AssetProxyId.ERC20,
+                    newProxyAddress,
+                    erc20Proxy.address,
+                    { from: owner },
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
             );
             const finalProxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
             expect(finalProxyAddress).to.be.equal(newProxyAddress);
@@ -209,11 +245,14 @@ describe('AssetProxyDispatcher', () => {
     describe('getAssetProxy', () => {
         it('should return correct address of registered proxy', async () => {
             const prevProxyAddress = ZeroEx.NULL_ADDRESS;
-            await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
-                AssetProxyId.ERC20,
-                erc20Proxy.address,
-                prevProxyAddress,
-                { from: owner },
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
+                    AssetProxyId.ERC20,
+                    erc20Proxy.address,
+                    prevProxyAddress,
+                    { from: owner },
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
             );
             const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
             expect(proxyAddress).to.be.equal(erc20Proxy.address);
@@ -229,23 +268,29 @@ describe('AssetProxyDispatcher', () => {
         it('should dispatch transfer to registered proxy', async () => {
             // Register ERC20 proxy
             const prevProxyAddress = ZeroEx.NULL_ADDRESS;
-            await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
-                AssetProxyId.ERC20,
-                erc20Proxy.address,
-                prevProxyAddress,
-                { from: owner },
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(
+                    AssetProxyId.ERC20,
+                    erc20Proxy.address,
+                    prevProxyAddress,
+                    { from: owner },
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
             );
             // Construct metadata for ERC20 proxy
             const encodedProxyMetadata = assetProxyUtils.encodeERC20ProxyData(zrxToken.address);
             // Perform a transfer from makerAddress to takerAddress
             const erc20Balances = await erc20Wrapper.getBalancesAsync();
             const amount = new BigNumber(10);
-            await assetProxyDispatcher.publicDispatchTransferFrom.sendTransactionAsync(
-                encodedProxyMetadata,
-                makerAddress,
-                takerAddress,
-                amount,
-                { from: owner },
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await assetProxyDispatcher.publicDispatchTransferFrom.sendTransactionAsync(
+                    encodedProxyMetadata,
+                    makerAddress,
+                    takerAddress,
+                    amount,
+                    { from: owner },
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
             );
             // Verify transfer was successful
             const newBalances = await erc20Wrapper.getBalancesAsync();
diff --git a/packages/contracts/test/exchange/libs.ts b/packages/contracts/test/exchange/libs.ts
index 1036cb815..883de7a12 100644
--- a/packages/contracts/test/exchange/libs.ts
+++ b/packages/contracts/test/exchange/libs.ts
@@ -26,6 +26,12 @@ describe('Exchange libs', () => {
     let libs: TestLibsContract;
 
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         const makerAddress = accounts[0];
         libs = await TestLibsContract.deployFrom0xArtifactAsync(artifacts.TestLibs, provider, txDefaults);
diff --git a/packages/contracts/test/exchange/match_orders.ts b/packages/contracts/test/exchange/match_orders.ts
index 94cdf4598..b08b9e763 100644
--- a/packages/contracts/test/exchange/match_orders.ts
+++ b/packages/contracts/test/exchange/match_orders.ts
@@ -79,6 +79,12 @@ describe('matchOrders', () => {
     let zeroEx: ZeroEx;
 
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         // Create accounts
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         const usedAddresses = ([
@@ -119,12 +125,18 @@ describe('matchOrders', () => {
         await exchangeWrapper.registerAssetProxyAsync(AssetProxyId.ERC20, erc20Proxy.address, owner);
         await exchangeWrapper.registerAssetProxyAsync(AssetProxyId.ERC721, erc721Proxy.address, owner);
         // Authorize ERC20 and ERC721 trades by exchange
-        await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
-            from: owner,
-        });
-        await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
-            from: owner,
-        });
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
+                from: owner,
+            }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
+                from: owner,
+            }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
         // Set default addresses
         defaultERC20MakerAssetAddress = erc20TokenA.address;
         defaultERC20TakerAssetAddress = erc20TokenB.address;
diff --git a/packages/contracts/test/exchange/signature_validator.ts b/packages/contracts/test/exchange/signature_validator.ts
index edff3abc6..d96b9e3fb 100644
--- a/packages/contracts/test/exchange/signature_validator.ts
+++ b/packages/contracts/test/exchange/signature_validator.ts
@@ -26,6 +26,12 @@ describe('MixinSignatureValidator', () => {
     let signatureValidator: TestSignatureValidatorContract;
 
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         const makerAddress = accounts[0];
         signatureValidator = await TestSignatureValidatorContract.deployFrom0xArtifactAsync(
diff --git a/packages/contracts/test/exchange/transactions.ts b/packages/contracts/test/exchange/transactions.ts
index 482475554..798c8283b 100644
--- a/packages/contracts/test/exchange/transactions.ts
+++ b/packages/contracts/test/exchange/transactions.ts
@@ -62,6 +62,12 @@ describe('Exchange transactions', () => {
     let zeroEx: ZeroEx;
 
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         const usedAddresses = ([owner, senderAddress, makerAddress, takerAddress, feeRecipientAddress] = accounts);
 
@@ -84,7 +90,10 @@ describe('Exchange transactions', () => {
         exchangeWrapper = new ExchangeWrapper(exchange, zeroEx);
         await exchangeWrapper.registerAssetProxyAsync(AssetProxyId.ERC20, erc20Proxy.address, owner);
 
-        await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: owner });
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: owner }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
 
         defaultMakerTokenAddress = erc20TokenA.address;
         defaultTakerTokenAddress = erc20TokenB.address;
diff --git a/packages/contracts/test/exchange/wrapper.ts b/packages/contracts/test/exchange/wrapper.ts
index 0b79308dd..caaceb460 100644
--- a/packages/contracts/test/exchange/wrapper.ts
+++ b/packages/contracts/test/exchange/wrapper.ts
@@ -57,6 +57,12 @@ describe('Exchange wrappers', () => {
     let zeroEx: ZeroEx;
 
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         const usedAddresses = ([owner, makerAddress, takerAddress, feeRecipientAddress] = accounts);
 
@@ -88,12 +94,18 @@ describe('Exchange wrappers', () => {
         await exchangeWrapper.registerAssetProxyAsync(AssetProxyId.ERC20, erc20Proxy.address, owner);
         await exchangeWrapper.registerAssetProxyAsync(AssetProxyId.ERC721, erc721Proxy.address, owner);
 
-        await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
-            from: owner,
-        });
-        await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
-            from: owner,
-        });
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
+                from: owner,
+            }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
+                from: owner,
+            }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
 
         defaultMakerAssetAddress = erc20TokenA.address;
         defaultTakerAssetAddress = erc20TokenB.address;
@@ -251,13 +263,19 @@ describe('Exchange wrappers', () => {
 
         it('should not change erc20Balances if maker allowances are too low to fill order', async () => {
             const signedOrder = orderFactory.newSignedOrder();
-            await erc20TokenA.approve.sendTransactionAsync(erc20Proxy.address, new BigNumber(0), {
-                from: makerAddress,
-            });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await erc20TokenA.approve.sendTransactionAsync(erc20Proxy.address, new BigNumber(0), {
+                    from: makerAddress,
+                }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
             await exchangeWrapper.fillOrderNoThrowAsync(signedOrder, takerAddress);
-            await erc20TokenA.approve.sendTransactionAsync(erc20Proxy.address, constants.INITIAL_ERC20_ALLOWANCE, {
-                from: makerAddress,
-            });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await erc20TokenA.approve.sendTransactionAsync(erc20Proxy.address, constants.INITIAL_ERC20_ALLOWANCE, {
+                    from: makerAddress,
+                }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
 
             const newBalances = await erc20Wrapper.getBalancesAsync();
             expect(newBalances).to.be.deep.equal(erc20Balances);
@@ -265,13 +283,19 @@ describe('Exchange wrappers', () => {
 
         it('should not change erc20Balances if taker allowances are too low to fill order', async () => {
             const signedOrder = orderFactory.newSignedOrder();
-            await erc20TokenB.approve.sendTransactionAsync(erc20Proxy.address, new BigNumber(0), {
-                from: takerAddress,
-            });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await erc20TokenB.approve.sendTransactionAsync(erc20Proxy.address, new BigNumber(0), {
+                    from: takerAddress,
+                }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
             await exchangeWrapper.fillOrderNoThrowAsync(signedOrder, takerAddress);
-            await erc20TokenB.approve.sendTransactionAsync(erc20Proxy.address, constants.INITIAL_ERC20_ALLOWANCE, {
-                from: takerAddress,
-            });
+            await web3Wrapper.awaitTransactionMinedAsync(
+                await erc20TokenB.approve.sendTransactionAsync(erc20Proxy.address, constants.INITIAL_ERC20_ALLOWANCE, {
+                    from: takerAddress,
+                }),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
 
             const newBalances = await erc20Wrapper.getBalancesAsync();
             expect(newBalances).to.be.deep.equal(erc20Balances);
diff --git a/packages/contracts/test/libraries/lib_bytes.ts b/packages/contracts/test/libraries/lib_bytes.ts
index 5ed5c356f..a468255e9 100644
--- a/packages/contracts/test/libraries/lib_bytes.ts
+++ b/packages/contracts/test/libraries/lib_bytes.ts
@@ -33,6 +33,12 @@ describe('LibBytes', () => {
     const testUint256 = new BigNumber(testBytes32, 16);
 
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         // Setup accounts & addresses
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = accounts[0];
diff --git a/packages/contracts/test/multi_sig_with_time_lock.ts b/packages/contracts/test/multi_sig_with_time_lock.ts
index 8e58006ac..3f61005e7 100644
--- a/packages/contracts/test/multi_sig_with_time_lock.ts
+++ b/packages/contracts/test/multi_sig_with_time_lock.ts
@@ -45,6 +45,12 @@ describe('MultiSigWalletWithTimeLock', () => {
 
     describe('changeTimeLock', () => {
         describe('initially non-time-locked', async () => {
+            before(async () => {
+                await blockchainLifecycle.startAsync();
+            });
+            after(async () => {
+                await blockchainLifecycle.revertAsync();
+            });
             before('deploy a wallet', async () => {
                 multiSig = await MultiSigWalletWithTimeLockContract.deployFrom0xArtifactAsync(
                     artifacts.MultiSigWalletWithTimeLock,
@@ -74,8 +80,8 @@ describe('MultiSigWalletWithTimeLock', () => {
                     args: [SECONDS_TIME_LOCKED.toNumber()],
                 };
                 const txHash = await multiSigWrapper.submitTransactionAsync(destination, from, dataParams);
-                const subRes = await zeroEx.awaitTransactionMinedAsync(txHash);
-                const log = abiDecoder.tryToDecodeLogOrNoop(subRes.logs[0]) as LogWithDecodedArgs<
+                const txReceipt = await zeroEx.awaitTransactionMinedAsync(txHash);
+                const log = abiDecoder.tryToDecodeLogOrNoop(txReceipt.logs[0]) as LogWithDecodedArgs<
                     SubmissionContractEventArgs
                 >;
 
@@ -94,14 +100,14 @@ describe('MultiSigWalletWithTimeLock', () => {
                     args: [SECONDS_TIME_LOCKED.toNumber()],
                 };
                 let txHash = await multiSigWrapper.submitTransactionAsync(destination, from, dataParams);
-                const subRes = await zeroEx.awaitTransactionMinedAsync(txHash);
-                const log = abiDecoder.tryToDecodeLogOrNoop(subRes.logs[0]) as LogWithDecodedArgs<
+                const txReceipt = await zeroEx.awaitTransactionMinedAsync(txHash);
+                const log = abiDecoder.tryToDecodeLogOrNoop(txReceipt.logs[0]) as LogWithDecodedArgs<
                     SubmissionContractEventArgs
                 >;
 
                 txId = log.args.transactionId;
                 txHash = await multiSig.confirmTransaction.sendTransactionAsync(txId, { from: owners[1] });
-                const res = await zeroEx.awaitTransactionMinedAsync(txHash);
+                const res = await zeroEx.awaitTransactionMinedAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
                 expect(res.logs).to.have.length(2);
 
                 const blockNum = await web3Wrapper.getBlockNumberAsync();
@@ -121,18 +127,19 @@ describe('MultiSigWalletWithTimeLock', () => {
                     args: [SECONDS_TIME_LOCKED.toNumber()],
                 };
                 let txHash = await multiSigWrapper.submitTransactionAsync(destination, from, dataParams);
-                const subRes = await zeroEx.awaitTransactionMinedAsync(txHash);
-                const log = abiDecoder.tryToDecodeLogOrNoop(subRes.logs[0]) as LogWithDecodedArgs<
+                const txReceipt = await zeroEx.awaitTransactionMinedAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
+                const log = abiDecoder.tryToDecodeLogOrNoop(txReceipt.logs[0]) as LogWithDecodedArgs<
                     SubmissionContractEventArgs
                 >;
 
                 txId = log.args.transactionId;
                 txHash = await multiSig.confirmTransaction.sendTransactionAsync(txId, { from: owners[1] });
+                await web3Wrapper.awaitTransactionMinedAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
 
                 expect(initialSecondsTimeLocked).to.be.equal(0);
 
                 txHash = await multiSig.executeTransaction.sendTransactionAsync(txId, { from: owners[0] });
-                const res = await zeroEx.awaitTransactionMinedAsync(txHash);
+                const res = await zeroEx.awaitTransactionMinedAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
                 expect(res.logs).to.have.length(2);
 
                 const secondsTimeLocked = new BigNumber(await multiSig.secondsTimeLocked.callAsync());
@@ -140,6 +147,12 @@ describe('MultiSigWalletWithTimeLock', () => {
             });
         });
         describe('initially time-locked', async () => {
+            before(async () => {
+                await blockchainLifecycle.startAsync();
+            });
+            after(async () => {
+                await blockchainLifecycle.revertAsync();
+            });
             before('deploy a wallet', async () => {
                 multiSig = await MultiSigWalletWithTimeLockContract.deployFrom0xArtifactAsync(
                     artifacts.MultiSigWalletWithTimeLock,
@@ -161,16 +174,16 @@ describe('MultiSigWalletWithTimeLock', () => {
                     args: [newSecondsTimeLocked],
                 };
                 let txHash = await multiSigWrapper.submitTransactionAsync(destination, from, dataParams);
-                const subRes = await zeroEx.awaitTransactionMinedAsync(txHash);
-                const log = abiDecoder.tryToDecodeLogOrNoop(subRes.logs[0]) as LogWithDecodedArgs<
+                let txReceipt = await zeroEx.awaitTransactionMinedAsync(txHash);
+                const log = abiDecoder.tryToDecodeLogOrNoop(txReceipt.logs[0]) as LogWithDecodedArgs<
                     SubmissionContractEventArgs
                 >;
                 txId = log.args.transactionId;
                 txHash = await multiSig.confirmTransaction.sendTransactionAsync(txId, {
                     from: owners[1],
                 });
-                const confRes = await zeroEx.awaitTransactionMinedAsync(txHash);
-                expect(confRes.logs).to.have.length(2);
+                txReceipt = await zeroEx.awaitTransactionMinedAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
+                expect(txReceipt.logs).to.have.length(2);
             });
             const newSecondsTimeLocked = 0;
             it('should throw if it has enough confirmations but is not past the time lock', async () => {
@@ -181,7 +194,10 @@ describe('MultiSigWalletWithTimeLock', () => {
 
             it('should execute if it has enough confirmations and is past the time lock', async () => {
                 await web3Wrapper.increaseTimeAsync(SECONDS_TIME_LOCKED.toNumber());
-                await multiSig.executeTransaction.sendTransactionAsync(txId, { from: owners[0] });
+                await web3Wrapper.awaitTransactionMinedAsync(
+                    await multiSig.executeTransaction.sendTransactionAsync(txId, { from: owners[0] }),
+                    constants.AWAIT_TRANSACTION_MINED_MS,
+                );
 
                 const secondsTimeLocked = new BigNumber(await multiSig.secondsTimeLocked.callAsync());
                 expect(secondsTimeLocked).to.be.bignumber.equal(newSecondsTimeLocked);
diff --git a/packages/contracts/test/token_registry.ts b/packages/contracts/test/token_registry.ts
index 9e4f7ca3b..308dee8e6 100644
--- a/packages/contracts/test/token_registry.ts
+++ b/packages/contracts/test/token_registry.ts
@@ -25,6 +25,12 @@ describe('TokenRegistry', () => {
     let tokenReg: TokenRegistryContract;
     let tokenRegWrapper: TokenRegWrapper;
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = accounts[0];
         notOwner = accounts[1];
@@ -137,9 +143,12 @@ describe('TokenRegistry', () => {
             });
 
             it('should change the token name when called by owner', async () => {
-                await tokenReg.setTokenName.sendTransactionAsync(token1.address, token2.name, {
-                    from: owner,
-                });
+                await web3Wrapper.awaitTransactionMinedAsync(
+                    await tokenReg.setTokenName.sendTransactionAsync(token1.address, token2.name, {
+                        from: owner,
+                    }),
+                    constants.AWAIT_TRANSACTION_MINED_MS,
+                );
                 const [newData, oldData] = await Promise.all([
                     tokenRegWrapper.getTokenByNameAsync(token2.name),
                     tokenRegWrapper.getTokenByNameAsync(token1.name),
@@ -176,7 +185,10 @@ describe('TokenRegistry', () => {
             });
 
             it('should change the token symbol when called by owner', async () => {
-                await tokenReg.setTokenSymbol.sendTransactionAsync(token1.address, token2.symbol, { from: owner });
+                await web3Wrapper.awaitTransactionMinedAsync(
+                    await tokenReg.setTokenSymbol.sendTransactionAsync(token1.address, token2.symbol, { from: owner }),
+                    constants.AWAIT_TRANSACTION_MINED_MS,
+                );
                 const [newData, oldData] = await Promise.all([
                     tokenRegWrapper.getTokenBySymbolAsync(token2.symbol),
                     tokenRegWrapper.getTokenBySymbolAsync(token1.symbol),
@@ -217,9 +229,12 @@ describe('TokenRegistry', () => {
 
             it('should remove token metadata when called by owner', async () => {
                 const index = new BigNumber(0);
-                await tokenReg.removeToken.sendTransactionAsync(token1.address, index, {
-                    from: owner,
-                });
+                await web3Wrapper.awaitTransactionMinedAsync(
+                    await tokenReg.removeToken.sendTransactionAsync(token1.address, index, {
+                        from: owner,
+                    }),
+                    constants.AWAIT_TRANSACTION_MINED_MS,
+                );
                 const tokenData = await tokenRegWrapper.getTokenMetaDataAsync(token1.address);
                 expect(tokenData).to.be.deep.equal(nullToken);
             });
diff --git a/packages/contracts/test/unlimited_allowance_token.ts b/packages/contracts/test/unlimited_allowance_token.ts
index 5ad9321e8..27b94ead6 100644
--- a/packages/contracts/test/unlimited_allowance_token.ts
+++ b/packages/contracts/test/unlimited_allowance_token.ts
@@ -28,6 +28,12 @@ describe('UnlimitedAllowanceToken', () => {
     let token: DummyERC20TokenContract;
 
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = accounts[0];
         spender = accounts[1];
@@ -40,7 +46,10 @@ describe('UnlimitedAllowanceToken', () => {
             constants.DUMMY_TOKEN_DECIMALS,
             constants.DUMMY_TOKEN_TOTAL_SUPPLY,
         );
-        await token.mint.sendTransactionAsync(MAX_MINT_VALUE, { from: owner });
+        await web3Wrapper.awaitTransactionMinedAsync(
+            await token.mint.sendTransactionAsync(MAX_MINT_VALUE, { from: owner }),
+            constants.AWAIT_TRANSACTION_MINED_MS,
+        );
         tokenAddress = token.address;
     });
     beforeEach(async () => {
diff --git a/packages/contracts/test/zrx_token.ts b/packages/contracts/test/zrx_token.ts
index 48b8f6e36..d7658f788 100644
--- a/packages/contracts/test/zrx_token.ts
+++ b/packages/contracts/test/zrx_token.ts
@@ -27,6 +27,12 @@ describe('ZRXToken', () => {
     let zrxAddress: string;
 
     before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = accounts[0];
         spender = accounts[1];