merge development

33 files changed, 473 insertions, 209 deletions

diff --git a/.github/autolabeler.yml b/.github/autolabeler.yml
new file mode 100644
index 000000000..8284293d5
--- /dev/null
+++ b/.github/autolabeler.yml
@@ -0,0 +1,39 @@
+python: ['python-packages']
+contracts: ['contracts']
+sol-doc: ['packages/sol-doc']
+sol-resolver: ['packages/sol-resolver']
+sra-spec: ['packages/sra-spec']
+subproviders: ['packages/subproviders']
+contract-addresses: ['packages/contract-addresses']
+migrations: ['packages/migrations']
+web3-wrapper: ['packages/web3-wrapper']
+sol-compiler: ['packages/sol-compiler']
+types: ['packages/types']
+instant: ['packages/instant']
+abi-gen-templates: ['packages/abi-gen-templates']
+abi-gen: ['packages/abi-gen']
+website: ['packages/website']
+sol-cov: ['packages/sol-cov']
+utils: ['packages/utils']
+tslint-config: ['packages/tslint-config']
+asset-buyer: ['packages/asset-buyer']
+order-watcher: ['packages/order-watcher']
+react-docs: ['packages/react-docs']
+order-utils: ['packages/order-utils']
+react-shared: ['packages/react-shared']
+assert: ['packages/assert']
+base-contract: ['packages/base-contract']
+typescript-typings: ['packages/typescript-typings']
+0x.js: ['packages/0x.js']
+abi-gen-wrappers: ['packages/abi-gen-wrappers']
+metacoin: ['packages/metacoin']
+contract-artifacts: ['packages/contract-artifacts']
+dev-utils: ['packages/dev-utils']
+contract-wrappers: ['packages/contract-wrappers']
+json-schemas: ['packages/json-schemas']
+ethereum-types: ['ethereum-types']
+connect: ['packages/connect']
+fill-scenarios: ['packages/fill-scenarios']
+dev-tools-pages: ['packages/dev-tools-pages']
+testnet-faucets: ['packages/testnet-faucets']
+monorepo-scripts: ['packages/monorepo-scripts']
diff --git a/PULL_REQUEST_TEMPLATE.md b/PULL_REQUEST_TEMPLATE.md
index 9bacbcede..70c5e8a9f 100644
--- a/PULL_REQUEST_TEMPLATE.md
+++ b/PULL_REQUEST_TEMPLATE.md
@@ -21,7 +21,6 @@
 <!--- The following points should be used to indicate the progress of your PR.  Put an `x` in all the boxes that apply right now, and come back over time and check them off as you make progress.  If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
 
 *   [ ] Prefix PR title with `[WIP]` if necessary.
-*   [ ] Prefix PR title with bracketed package name(s) corresponding to the changed package(s). For example: `[sol-cov] Fixed bug`.
 *   [ ] Add tests to cover changes as needed.
 *   [ ] Update documentation as needed.
 *   [ ] Add new entries to the relevant CHANGELOG.jsons.
diff --git a/package.json b/package.json
index 8b74aad67..bc9fd06ed 100644
--- a/package.json
+++ b/package.json
@@ -22,9 +22,9 @@
         "install:all": "yarn install",
         "wsrun": "wsrun",
         "lerna": "lerna",
-        "build": "wsrun build $PKG --fast-exit -r --stages",
-        "build:no_website": "wsrun build $PKG --fast-exit -r --stages --exclude @0x/website",
-        "build:ci:no_website": "wsrun build:ci $PKG --fast-exit -r --stages --exclude @0x/website",
+        "build": "wsrun build $PKG --fast-exit -r --stages --exclude-missing",
+        "build:no_website": "wsrun build $PKG --fast-exit -r --stages --exclude @0x/website --exclude-missing",
+        "build:ci:no_website": "wsrun build:ci $PKG --fast-exit -r --stages --exclude @0x/website --exclude-missing",
         "build:monorepo_scripts": "PKG=@0x/monorepo-scripts yarn build",
         "build:ts": "tsc -b",
         "watch:ts": "tsc -b -w",
diff --git a/packages/0x.js/package.json b/packages/0x.js/package.json
index bc7ee2c87..3850e9038 100644
--- a/packages/0x.js/package.json
+++ b/packages/0x.js/package.json
@@ -42,7 +42,6 @@
     },
     "license": "Apache-2.0",
     "devDependencies": {
-        "@0x/abi-gen": "^1.0.17",
         "@0x/abi-gen-wrappers": "^1.1.0",
         "@0x/contract-addresses": "^1.2.0",
         "@0x/dev-utils": "^1.0.18",
diff --git a/packages/abi-gen-templates/CHANGELOG.json b/packages/abi-gen-templates/CHANGELOG.json
new file mode 100644
index 000000000..adf615b3b
--- /dev/null
+++ b/packages/abi-gen-templates/CHANGELOG.json
@@ -0,0 +1,11 @@
+[
+    {
+        "version": "1.0.0",
+        "changes": [
+            {
+                "note": "Initial publish",
+                "pr": 1305
+            }
+        ]
+    }
+]
diff --git a/packages/contract_templates/README.md b/packages/abi-gen-templates/README.md
index c6cc3b1b3..c6cc3b1b3 100644
--- a/packages/contract_templates/README.md
+++ b/packages/abi-gen-templates/README.md
diff --git a/packages/contract_templates/contract.handlebars b/packages/abi-gen-templates/contract.handlebars
index 9b2a2b336..9b2a2b336 100644
--- a/packages/contract_templates/contract.handlebars
+++ b/packages/abi-gen-templates/contract.handlebars
diff --git a/packages/abi-gen-templates/package.json b/packages/abi-gen-templates/package.json
new file mode 100644
index 000000000..e06be6127
--- /dev/null
+++ b/packages/abi-gen-templates/package.json
@@ -0,0 +1,20 @@
+{
+    "name": "@0x/abi-gen-templates",
+    "version": "1.0.0",
+    "engines": {
+        "node": ">=6.12"
+    },
+    "description": "Handlebars templates used by abi-gen to generate contract-wrappers",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/0xProject/0x-monorepo.git"
+    },
+    "license": "Apache-2.0",
+    "bugs": {
+        "url": "https://github.com/0xProject/0x-monorepo/issues"
+    },
+    "homepage": "https://github.com/0xProject/0x-monorepo/packages/abi-gen-templates/README.md",
+    "publishConfig": {
+        "access": "public"
+    }
+}
diff --git a/packages/contract_templates/partials/call.handlebars b/packages/abi-gen-templates/partials/call.handlebars
index 7c9c934c3..7c9c934c3 100644
--- a/packages/contract_templates/partials/call.handlebars
+++ b/packages/abi-gen-templates/partials/call.handlebars
diff --git a/packages/contract_templates/partials/callAsync.handlebars b/packages/abi-gen-templates/partials/callAsync.handlebars
index ddbbe7508..ddbbe7508 100644
--- a/packages/contract_templates/partials/callAsync.handlebars
+++ b/packages/abi-gen-templates/partials/callAsync.handlebars
diff --git a/packages/contract_templates/partials/event.handlebars b/packages/abi-gen-templates/partials/event.handlebars
index 61d523ca2..61d523ca2 100644
--- a/packages/contract_templates/partials/event.handlebars
+++ b/packages/abi-gen-templates/partials/event.handlebars
diff --git a/packages/contract_templates/partials/params.handlebars b/packages/abi-gen-templates/partials/params.handlebars
index 2d9bb8ed9..2d9bb8ed9 100644
--- a/packages/contract_templates/partials/params.handlebars
+++ b/packages/abi-gen-templates/partials/params.handlebars
diff --git a/packages/contract_templates/partials/return_type.handlebars b/packages/abi-gen-templates/partials/return_type.handlebars
index 77d96e8c4..77d96e8c4 100644
--- a/packages/contract_templates/partials/return_type.handlebars
+++ b/packages/abi-gen-templates/partials/return_type.handlebars
diff --git a/packages/contract_templates/partials/tx.handlebars b/packages/abi-gen-templates/partials/tx.handlebars
index b39156583..b39156583 100644
--- a/packages/contract_templates/partials/tx.handlebars
+++ b/packages/abi-gen-templates/partials/tx.handlebars
diff --git a/packages/contract_templates/partials/typed_params.handlebars b/packages/abi-gen-templates/partials/typed_params.handlebars
index c100e58f7..c100e58f7 100644
--- a/packages/contract_templates/partials/typed_params.handlebars
+++ b/packages/abi-gen-templates/partials/typed_params.handlebars
diff --git a/packages/abi-gen-wrappers/CHANGELOG.json b/packages/abi-gen-wrappers/CHANGELOG.json
index 955b8220f..f74d98afa 100644
--- a/packages/abi-gen-wrappers/CHANGELOG.json
+++ b/packages/abi-gen-wrappers/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "version": "2.0.0",
+        "changes": [
+            {
+                "pr": 1309,
+                "note": "Update Exchange artifact to receive ZRX asset data as a constructor argument"
+            }
+        ]
+    },
+    {
         "version": "1.1.0",
         "changes": [
             {
diff --git a/packages/abi-gen-wrappers/package.json b/packages/abi-gen-wrappers/package.json
index 0977ca03a..1b7015d55 100644
--- a/packages/abi-gen-wrappers/package.json
+++ b/packages/abi-gen-wrappers/package.json
@@ -15,7 +15,7 @@
         "lint": "tslint --format stylish --project .",
         "pre_build": "yarn generate_contract_wrappers",
         "clean": "shx rm -rf lib wrappers",
-        "generate_contract_wrappers": "abi-gen --abis  ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/generated-wrappers --backend ethers"
+        "generate_contract_wrappers": "abi-gen --abis  ${npm_package_config_abis} --template ../../node_modules/@0x/abi-gen-templates/contract.handlebars --partials '../../node_modules/@0x/abi-gen-templates/partials/**/*.handlebars' --output src/generated-wrappers --backend ethers"
     },
     "config": {
         "abis": "../contract-artifacts/artifacts/@(AssetProxyOwner|DummyERC20Token|DummyERC721Token|ERC20Proxy|ERC20Token|ERC721Proxy|ERC721Token|Exchange|Forwarder|IValidator|IWallet|OrderValidator|WETH9|ZRXToken).json"
@@ -31,6 +31,7 @@
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/abi-gen-wrappers/README.md",
     "devDependencies": {
         "@0x/abi-gen": "^1.0.17",
+        "@0x/abi-gen-templates": "^1.0.0",
         "@0x/tslint-config": "^1.0.10",
         "@0x/types": "^1.3.0",
         "@0x/utils": "^2.0.6",
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts b/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts
index a04b6025e..11b5e7024 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts
@@ -3028,29 +3028,35 @@ export class ExchangeContract extends BaseContract {
         artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
+            _zrxAssetData: string,
     ): Promise<ExchangeContract> {
         if (_.isUndefined(artifact.compilerOutput)) {
             throw new Error('Compiler output not found in the artifact file');
         }
         const bytecode = artifact.compilerOutput.evm.bytecode.object;
         const abi = artifact.compilerOutput.abi;
-        return ExchangeContract.deployAsync(bytecode, abi, provider, txDefaults, );
+        return ExchangeContract.deployAsync(bytecode, abi, provider, txDefaults, _zrxAssetData
+);
     }
     public static async deployAsync(
         bytecode: string,
         abi: ContractAbi,
         provider: Provider,
         txDefaults: Partial<TxData>,
+            _zrxAssetData: string,
     ): Promise<ExchangeContract> {
         const constructorAbi = BaseContract._lookupConstructorAbi(abi);
-        [] = BaseContract._formatABIDataItemList(
+        [_zrxAssetData
+] = BaseContract._formatABIDataItemList(
             constructorAbi.inputs,
-            [],
+            [_zrxAssetData
+],
             BaseContract._bigNumberToString,
         );
         const iface = new ethers.utils.Interface(abi);
         const deployInfo = iface.deployFunction;
-        const txData = deployInfo.encode(bytecode, []);
+        const txData = deployInfo.encode(bytecode, [_zrxAssetData
+]);
         const web3Wrapper = new Web3Wrapper(provider);
         const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
             {data: txData},
@@ -3062,7 +3068,8 @@ export class ExchangeContract extends BaseContract {
         const txReceipt = await web3Wrapper.awaitTransactionSuccessAsync(txHash);
         logUtils.log(`Exchange successfully deployed at ${txReceipt.contractAddress}`);
         const contractInstance = new ExchangeContract(abi, txReceipt.contractAddress as string, provider, txDefaults);
-        contractInstance.constructorArgs = [];
+        contractInstance.constructorArgs = [_zrxAssetData
+];
         return contractInstance;
     }
     constructor(abi: ContractAbi, address: string, provider: Provider, txDefaults?: Partial<TxData>) {
diff --git a/packages/contract-artifacts/CHANGELOG.json b/packages/contract-artifacts/CHANGELOG.json
index 8833255ed..b75ad5766 100644
--- a/packages/contract-artifacts/CHANGELOG.json
+++ b/packages/contract-artifacts/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "version": "1.1.2",
+        "changes": [
+            {
+                "pr": 1309,
+                "note": "Update Exchange artifact to receive ZRX asset data as a constructor argument"
+            }
+        ]
+    },
+    {
         "version": "1.1.0",
         "changes": [
             {
diff --git a/packages/contract-artifacts/artifacts/Exchange.json b/packages/contract-artifacts/artifacts/Exchange.json
index 893bc5eae..6e586b899 100644
--- a/packages/contract-artifacts/artifacts/Exchange.json
+++ b/packages/contract-artifacts/artifacts/Exchange.json
@@ -1798,7 +1798,12 @@
                 "type": "function"
             },
             {
-                "inputs": [],
+                "inputs": [
+                    {
+                        "name": "_zrxAssetData",
+                        "type": "bytes"
+                    }
+                ],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "constructor"
@@ -1968,7 +1973,7 @@
             "bytecode": {
                 "linkReferences": {},
                 "object":
-                    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             }
         }
     },
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index e10678d83..25445c4f8 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -22,7 +22,7 @@
         "run_mocha": "mocha --require source-map-support/register --require make-promises-safe 'lib/test/**/*.js' --timeout 100000 --bail --exit",
         "compile": "sol-compiler --contracts-dir contracts",
         "clean": "shx rm -rf lib generated-artifacts generated-wrappers",
-        "generate_contract_wrappers": "abi-gen --abis  ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output generated-wrappers --backend ethers",
+        "generate_contract_wrappers": "abi-gen --abis  ${npm_package_config_abis} --template ../../node_modules/@0x/abi-gen-templates/contract.handlebars --partials '../../node_modules/@0x/abi-gen-templates/partials/**/*.handlebars' --output generated-wrappers --backend ethers",
         "lint": "tslint --format stylish --project . --exclude ./generated-wrappers/**/* --exclude ./generated-artifacts/**/* --exclude **/lib/**/* && yarn lint-contracts",
         "coverage:report:text": "istanbul report text",
         "coverage:report:html": "istanbul report html && open coverage/index.html",
diff --git a/packages/instant/public/index.html b/packages/instant/public/index.html
index 253cbb194..df39994ef 100644
--- a/packages/instant/public/index.html
+++ b/packages/instant/public/index.html
@@ -1,137 +1,206 @@
 <!DOCTYPE html>
 <html>
+    <head>
+        <meta charset="utf-8" />
+        <meta name="viewport" content="width=device-width, initial-scale=1" />
+        <title>0x Instant Dev Environment</title>
+        <link rel="stylesheet" href="/external.css" />
+        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bulma/0.7.2/css/bulma.min.css" />
+        <script type="text/javascript" src="/instant.js" charset="utf-8"></script>
+        <script type="text/javascript" src="https://unpkg.com/jsuri@1.3.1/Uri.js" charset="utf-8"></script>
+        <script type="text/javascript" src="https://unpkg.com/bignumber.js@4.1.0/bignumber.js" charset="utf-8"></script>
+        <style>
+            .flex-center {
+                display: flex;
+                justify-content: center;
+                align-items: center;
+                height: 100%;
+                width: 100%;
+            }
 
-<head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>0x Instant Dev Environment</title>
-    <link rel="stylesheet" href="/external.css">
-    <script type="text/javascript" src="/instant.js" charset="utf-8"></script>
-    <script type="text/javascript" src="https://unpkg.com/jsuri@1.3.1/Uri.js" charset="utf-8"></script>
-    <script type="text/javascript" src="https://unpkg.com/bignumber.js@4.1.0/bignumber.js" charset="utf-8"></script>
-    <style>
-        #zeroExInstantContainer {
-            display: flex;
-            justify-content: center;
-            align-items: center;
-            height: 100vh;
-        }
+            .flex-center--column {
+                flex-direction: column;
+            }
 
-        body {
-            margin: 0;
-            background-color: rgba(0, 0, 0, 0.2);
-        }
-    </style>
-</head>
+            .button {
+                margin: 10px;
+            }
 
-<body>
-    <div id="zeroExInstantContainer"></div>
-    <script>
-        const removeUndefined = (obj) => {
-            for (let k in obj) if (obj[k] === undefined) delete obj[k];
-            return obj;
-        }
-        BigNumber.config({
-            EXPONENTIAL_AT: 1000,
-            DECIMAL_PLACES: 78,
-        });
-        const providedOrders = [
-            // Order selling REP
-            {
-                senderAddress: '0x0000000000000000000000000000000000000000',
-                makerAddress: '0x34a745008a643eebc58920eaa29fb1165b4a288e',
-                takerAddress: '0x0000000000000000000000000000000000000000',
-                makerFee: new BigNumber('0'),
-                takerFee: new BigNumber('0'),
-                makerAssetAmount: new BigNumber('200000000000000000000'),
-                takerAssetAmount: new BigNumber('10000000000000000000'),
-                makerAssetData: '0xf47261b00000000000000000000000008cb3971b8eb709c14616bd556ff6683019e90d9c',
-                takerAssetData: '0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c',
-                expirationTimeSeconds: new BigNumber('1601535600'),
-                feeRecipientAddress: '0x0000000000000000000000000000000000000000',
-                salt: new BigNumber('3101985707338942582579795423923841749956600670712030922928319824580764688653'),
-                signature: '0x1bd4d5686fea801fe33c68c4944356085e7e6cb553eb7073160abd815609f714e85fb47f44b7ffd0a2a1321ac40d72d55163869d0a50fdb5a402132150fe33a08403',
-                exchangeAddress: '0x35dd2932454449b14cee11a94d3674a936d5d7b2'
-            },
-            // Order selling ZRX
-            {
-                senderAddress: '0x0000000000000000000000000000000000000000',
-                makerAddress: '0x34a745008a643eebc58920eaa29fb1165b4a288e',
-                takerAddress: '0x0000000000000000000000000000000000000000',
-                makerFee: new BigNumber('0'),
-                takerFee: new BigNumber('0'),
-                makerAssetAmount: new BigNumber('300000000000000000000'),
-                takerAssetAmount: new BigNumber('31000000000000000000'),
-                makerAssetData: '0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa',
-                takerAssetData: '0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c',
-                expirationTimeSeconds: new BigNumber('2524636800'),
-                feeRecipientAddress: '0x0000000000000000000000000000000000000000',
-                salt: new BigNumber('64592004666704945574675477805199411288137454783320798602050822322450089238268'),
-                signature: '0x1c13cacddca8d7d8248e91f412377e68f8f1f9891a59a6c1b2eea9f7b33558c30c4fb86a448e08ab7def40a28fb3a3062dcb33bb3c45302447fce5c4288b7c7f5b03',
-                exchangeAddress: '0x35dd2932454449b14cee11a94d3674a936d5d7b2'
-            },
-            // Order selling GNT
-            {
-                senderAddress: '0x0000000000000000000000000000000000000000',
-                makerAddress: '0x34a745008a643eebc58920eaa29fb1165b4a288e',
-                takerAddress: '0x0000000000000000000000000000000000000000',
-                makerFee: new BigNumber('0'),
-                takerFee: new BigNumber('0'),
-                makerAssetAmount: new BigNumber('250000000000000000000'),
-                takerAssetAmount: new BigNumber('10000000000000000000'),
-                makerAssetData: '0xf47261b000000000000000000000000031fb614e223706f15d0d3c5f4b08bdf0d5c78623',
-                takerAssetData: '0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c',
-                expirationTimeSeconds: new BigNumber('1601535600'),
-                feeRecipientAddress: '0x0000000000000000000000000000000000000000',
-                salt: new BigNumber('40204378562212615907903051460421336779451270522691667164301816101569427926606'),
-                signature: '0x1c788bf4b93769da1e8f195f52f0f59b4a298ac6da30cf6d05a87ed4be5ee974f61352ed1bc6a0844d0962b8c894c9ca08e452431255958a4e98dd93cbe1fbc73803',
-                exchangeAddress: '0x35dd2932454449b14cee11a94d3674a936d5d7b2'
-            },
-            // Order selling MKR
-            {
-                senderAddress: '0x0000000000000000000000000000000000000000',
-                makerAddress: '0x34a745008a643eebc58920eaa29fb1165b4a288e',
-                takerAddress: '0x0000000000000000000000000000000000000000',
-                makerFee: new BigNumber('0'),
-                takerFee: new BigNumber('0'),
-                makerAssetAmount: new BigNumber('200000000000000000000'),
-                takerAssetAmount: new BigNumber('5000000000000000000'),
-                makerAssetData: '0xf47261b00000000000000000000000007b6b10caa9e8e9552ba72638ea5b47c25afea1f3',
-                takerAssetData: '0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c',
-                expirationTimeSeconds: new BigNumber('1601535600'),
-                feeRecipientAddress: '0x0000000000000000000000000000000000000000',
-                salt: new BigNumber('71338269924068280039932133924198049371838034090153601678083172009862985793828'),
-                signature: '0x1bb3151d57ee1e8fa697767ce83ee4ba77d1ceb8cc1e79c7d77126b3687517704c50c6b3d9cb42c7e7d4478d574b297dfbd1626c5c18a7bc9c2a792c4c07f0797c03',
-                exchangeAddress: '0x35dd2932454449b14cee11a94d3674a936d5d7b2'
+            body {
+                margin: 0;
+                height: 100vh;
+                background-color: rgba(0, 0, 0, 0.2);
             }
-        ];
-        const queryParams = new Uri(window.location.search);
-        const renderOptionsDefaults = {
-            orderSource: 'https://api.radarrelay.com/0x/v2/',
-            onClose: () => { console.log('0x Instant Closed') }
-        }
-        const orderSourceOverride = queryParams.getQueryParamValue('orderSource');
-        const availableAssetDatasString = queryParams.getQueryParamValue('availableAssetDatas');
-        const feeRecipientOverride = queryParams.getQueryParamValue('feeRecipient');
-        const feePercentageOverride = +queryParams.getQueryParamValue('feePercentage');
-        let affiliateInfoOverride;
-        if (feeRecipientOverride !== undefined && feePercentageOverride !== undefined) {
-            affiliateInfoOverride = {
-                feeRecipient: feeRecipientOverride,
-                feePercentage: feePercentageOverride
-            };
-        }
-        const renderOptionsOverrides = {
-            orderSource: orderSourceOverride === 'provided' ? providedOrders : orderSourceOverride,
-            networkId: +queryParams.getQueryParamValue('networkId') || undefined,
-            defaultAssetBuyAmount: +queryParams.getQueryParamValue('defaultAssetBuyAmount') || undefined,
-            availableAssetDatas: availableAssetDatasString ? JSON.parse(availableAssetDatasString) : undefined,
-            defaultSelectedAssetData: queryParams.getQueryParamValue('defaultSelectedAssetData'),
-            affiliateInfo: affiliateInfoOverride,
-        }
-        const renderOptions = Object.assign({}, renderOptionsDefaults, removeUndefined(renderOptionsOverrides));
-        zeroExInstant.render(renderOptions);
-    </script>
-</body>
+        </style>
+    </head>
+
+    <body>
+        <div class="flex-center flex-center--column">
+            <div><button class="button is-large" onClick="renderWithUrlDefaults()">Open</button></div>
+            <div>
+                <button
+                    class="button is-danger"
+                    onClick="renderWithAssetData('0xf47261b00000000000000000000000001985365e9f78359a9b6ad760e32412f4a445e862')"
+                >
+                    Buy REP
+                </button>
+                <button
+                    class="button is-black"
+                    onClick="renderWithAssetData('0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498')"
+                >
+                    Buy ZRX
+                </button>
+                <button
+                    class="button is-info"
+                    onClick="renderWithAssetData('0xf47261b00000000000000000000000006810e776880c02933d47db1b9fc05908e5386b96')"
+                >
+                    Buy GNO
+                </button>
+            </div>
+        </div>
+        <div id="zeroExInstantContainer"></div>
+        <script>
+            // Simulate history
+            window.history.pushState({ page: 1 }, '0x Instant');
+            window.history.pushState({ page: 2 }, '0x Instant');
+            window.history.pushState({ page: 3 }, '0x Instant');
+            window.onpopstate = () => console.log("Integrator's onpopstate called");
 
-</html>
\ No newline at end of file
+            const removeUndefined = obj => {
+                for (let k in obj) if (obj[k] === undefined) delete obj[k];
+                return obj;
+            };
+            BigNumber.config({
+                EXPONENTIAL_AT: 1000,
+                DECIMAL_PLACES: 78,
+            });
+            const providedOrders = [
+                // Order selling REP
+                {
+                    senderAddress: '0x0000000000000000000000000000000000000000',
+                    makerAddress: '0x34a745008a643eebc58920eaa29fb1165b4a288e',
+                    takerAddress: '0x0000000000000000000000000000000000000000',
+                    makerFee: new BigNumber('0'),
+                    takerFee: new BigNumber('0'),
+                    makerAssetAmount: new BigNumber('200000000000000000000'),
+                    takerAssetAmount: new BigNumber('10000000000000000000'),
+                    makerAssetData: '0xf47261b00000000000000000000000008cb3971b8eb709c14616bd556ff6683019e90d9c',
+                    takerAssetData: '0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c',
+                    expirationTimeSeconds: new BigNumber('1601535600'),
+                    feeRecipientAddress: '0x0000000000000000000000000000000000000000',
+                    salt: new BigNumber('3101985707338942582579795423923841749956600670712030922928319824580764688653'),
+                    signature:
+                        '0x1bd4d5686fea801fe33c68c4944356085e7e6cb553eb7073160abd815609f714e85fb47f44b7ffd0a2a1321ac40d72d55163869d0a50fdb5a402132150fe33a08403',
+                    exchangeAddress: '0x35dd2932454449b14cee11a94d3674a936d5d7b2',
+                },
+                // Order selling ZRX
+                {
+                    senderAddress: '0x0000000000000000000000000000000000000000',
+                    makerAddress: '0x34a745008a643eebc58920eaa29fb1165b4a288e',
+                    takerAddress: '0x0000000000000000000000000000000000000000',
+                    makerFee: new BigNumber('0'),
+                    takerFee: new BigNumber('0'),
+                    makerAssetAmount: new BigNumber('300000000000000000000'),
+                    takerAssetAmount: new BigNumber('31000000000000000000'),
+                    makerAssetData: '0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa',
+                    takerAssetData: '0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c',
+                    expirationTimeSeconds: new BigNumber('2524636800'),
+                    feeRecipientAddress: '0x0000000000000000000000000000000000000000',
+                    salt: new BigNumber(
+                        '64592004666704945574675477805199411288137454783320798602050822322450089238268',
+                    ),
+                    signature:
+                        '0x1c13cacddca8d7d8248e91f412377e68f8f1f9891a59a6c1b2eea9f7b33558c30c4fb86a448e08ab7def40a28fb3a3062dcb33bb3c45302447fce5c4288b7c7f5b03',
+                    exchangeAddress: '0x35dd2932454449b14cee11a94d3674a936d5d7b2',
+                },
+                // Order selling GNT
+                {
+                    senderAddress: '0x0000000000000000000000000000000000000000',
+                    makerAddress: '0x34a745008a643eebc58920eaa29fb1165b4a288e',
+                    takerAddress: '0x0000000000000000000000000000000000000000',
+                    makerFee: new BigNumber('0'),
+                    takerFee: new BigNumber('0'),
+                    makerAssetAmount: new BigNumber('250000000000000000000'),
+                    takerAssetAmount: new BigNumber('10000000000000000000'),
+                    makerAssetData: '0xf47261b000000000000000000000000031fb614e223706f15d0d3c5f4b08bdf0d5c78623',
+                    takerAssetData: '0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c',
+                    expirationTimeSeconds: new BigNumber('1601535600'),
+                    feeRecipientAddress: '0x0000000000000000000000000000000000000000',
+                    salt: new BigNumber(
+                        '40204378562212615907903051460421336779451270522691667164301816101569427926606',
+                    ),
+                    signature:
+                        '0x1c788bf4b93769da1e8f195f52f0f59b4a298ac6da30cf6d05a87ed4be5ee974f61352ed1bc6a0844d0962b8c894c9ca08e452431255958a4e98dd93cbe1fbc73803',
+                    exchangeAddress: '0x35dd2932454449b14cee11a94d3674a936d5d7b2',
+                },
+                // Order selling MKR
+                {
+                    senderAddress: '0x0000000000000000000000000000000000000000',
+                    makerAddress: '0x34a745008a643eebc58920eaa29fb1165b4a288e',
+                    takerAddress: '0x0000000000000000000000000000000000000000',
+                    makerFee: new BigNumber('0'),
+                    takerFee: new BigNumber('0'),
+                    makerAssetAmount: new BigNumber('200000000000000000000'),
+                    takerAssetAmount: new BigNumber('5000000000000000000'),
+                    makerAssetData: '0xf47261b00000000000000000000000007b6b10caa9e8e9552ba72638ea5b47c25afea1f3',
+                    takerAssetData: '0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c',
+                    expirationTimeSeconds: new BigNumber('1601535600'),
+                    feeRecipientAddress: '0x0000000000000000000000000000000000000000',
+                    salt: new BigNumber(
+                        '71338269924068280039932133924198049371838034090153601678083172009862985793828',
+                    ),
+                    signature:
+                        '0x1bb3151d57ee1e8fa697767ce83ee4ba77d1ceb8cc1e79c7d77126b3687517704c50c6b3d9cb42c7e7d4478d574b297dfbd1626c5c18a7bc9c2a792c4c07f0797c03',
+                    exchangeAddress: '0x35dd2932454449b14cee11a94d3674a936d5d7b2',
+                },
+            ];
+            const getRenderOptionsOverridesFromUrl = () => {
+                const queryParams = new Uri(window.location.search);
+                const orderSourceOverride = queryParams.getQueryParamValue('orderSource');
+                const availableAssetDatasString = queryParams.getQueryParamValue('availableAssetDatas');
+                const feeRecipientOverride = queryParams.getQueryParamValue('feeRecipient');
+                const feePercentageOverride = +queryParams.getQueryParamValue('feePercentage');
+                let affiliateInfoOverride;
+                if (feeRecipientOverride !== undefined && feePercentageOverride !== undefined) {
+                    affiliateInfoOverride = {
+                        feeRecipient: feeRecipientOverride,
+                        feePercentage: feePercentageOverride,
+                    };
+                }
+                const renderOptionsOverrides = {
+                    orderSource: orderSourceOverride === 'provided' ? providedOrders : orderSourceOverride,
+                    networkId: +queryParams.getQueryParamValue('networkId') || undefined,
+                    defaultAssetBuyAmount: +queryParams.getQueryParamValue('defaultAssetBuyAmount') || undefined,
+                    availableAssetDatas: availableAssetDatasString ? JSON.parse(availableAssetDatasString) : undefined,
+                    defaultSelectedAssetData: queryParams.getQueryParamValue('defaultSelectedAssetData'),
+                    affiliateInfo: affiliateInfoOverride,
+                    shouldDisablePushToHistory: !!queryParams.getQueryParamValue('shouldDisablePushToHistory'),
+                };
+                return renderOptionsOverrides;
+            };
+            const render = renderOptionsOverrides => {
+                const renderOptionsDefaults = {
+                    orderSource: 'https://api.radarrelay.com/0x/v2/',
+                    onClose: () => {
+                        console.log('0x Instant Closed');
+                    },
+                };
+                const renderOptions = Object.assign({}, renderOptionsDefaults, removeUndefined(renderOptionsOverrides));
+                zeroExInstant.render(renderOptions);
+            };
+            const renderWithUrlDefaults = (renderOptions = {}) => {
+                const finalOptions = {
+                    ...getRenderOptionsOverridesFromUrl(),
+                    ...renderOptions,
+                };
+                render(finalOptions);
+            };
+            renderWithUrlDefaults();
+            const renderWithAssetData = assetData => {
+                renderWithUrlDefaults({
+                    defaultSelectedAssetData: assetData,
+                });
+            };
+        </script>
+    </body>
+</html>
diff --git a/packages/instant/src/containers/connected_account_payment_method.ts b/packages/instant/src/containers/connected_account_payment_method.ts
index eacbadfca..cdeb49a25 100644
--- a/packages/instant/src/containers/connected_account_payment_method.ts
+++ b/packages/instant/src/containers/connected_account_payment_method.ts
@@ -12,6 +12,7 @@ import { Action, actions } from '../redux/actions';
 import { asyncData } from '../redux/async_data';
 import { State } from '../redux/reducer';
 import { Network, Omit, OperatingSystem, ProviderState, StandardSlidingPanelContent } from '../types';
+import { analytics } from '../util/analytics';
 import { envUtil } from '../util/env';
 
 export interface ConnectedAccountPaymentMethodProps {}
@@ -40,8 +41,11 @@ const mapDispatchToProps = (
     ownProps: ConnectedAccountPaymentMethodProps,
 ): ConnectedDispatch => ({
     openInstallWalletPanel: () => dispatch(actions.openStandardSlidingPanel(StandardSlidingPanelContent.InstallWallet)),
-    unlockWalletAndDispatchToStore: async (providerState: ProviderState) =>
-        asyncData.fetchAccountInfoAndDispatchToStore(providerState, dispatch, true),
+    unlockWalletAndDispatchToStore: (providerState: ProviderState) => {
+        analytics.trackAccountUnlockRequested();
+        // tslint:disable-next-line:no-floating-promises
+        asyncData.fetchAccountInfoAndDispatchToStore(providerState, dispatch, true);
+    },
 });
 
 const mergeProps = (
diff --git a/packages/instant/src/index.umd.ts b/packages/instant/src/index.umd.ts
index 5010347b3..3a8694d6a 100644
--- a/packages/instant/src/index.umd.ts
+++ b/packages/instant/src/index.umd.ts
@@ -5,40 +5,50 @@ import * as ReactDOM from 'react-dom';
 import { DEFAULT_ZERO_EX_CONTAINER_SELECTOR, INJECTED_DIV_CLASS, INJECTED_DIV_ID } from './constants';
 import { ZeroExInstantOverlay, ZeroExInstantOverlayProps } from './index';
 import { assert } from './util/assert';
+import { util } from './util/util';
 
-export const render = (props: ZeroExInstantOverlayProps, selector: string = DEFAULT_ZERO_EX_CONTAINER_SELECTOR) => {
-    assert.isValidOrderSource('orderSource', props.orderSource);
-    if (!_.isUndefined(props.defaultSelectedAssetData)) {
-        assert.isHexString('defaultSelectedAssetData', props.defaultSelectedAssetData);
+const isInstantRendered = (): boolean => !!document.getElementById(INJECTED_DIV_ID);
+
+const validateInstantRenderConfig = (config: ZeroExInstantConfig, selector: string) => {
+    assert.isValidOrderSource('orderSource', config.orderSource);
+    if (!_.isUndefined(config.defaultSelectedAssetData)) {
+        assert.isHexString('defaultSelectedAssetData', config.defaultSelectedAssetData);
+    }
+    if (!_.isUndefined(config.additionalAssetMetaDataMap)) {
+        assert.isValidAssetMetaDataMap('additionalAssetMetaDataMap', config.additionalAssetMetaDataMap);
     }
-    if (!_.isUndefined(props.additionalAssetMetaDataMap)) {
-        assert.isValidAssetMetaDataMap('props.additionalAssetMetaDataMap', props.additionalAssetMetaDataMap);
+    if (!_.isUndefined(config.defaultAssetBuyAmount)) {
+        assert.isNumber('defaultAssetBuyAmount', config.defaultAssetBuyAmount);
     }
-    if (!_.isUndefined(props.defaultAssetBuyAmount)) {
-        assert.isNumber('props.defaultAssetBuyAmount', props.defaultAssetBuyAmount);
+    if (!_.isUndefined(config.networkId)) {
+        assert.isNumber('networkId', config.networkId);
     }
-    if (!_.isUndefined(props.networkId)) {
-        assert.isNumber('props.networkId', props.networkId);
+    if (!_.isUndefined(config.availableAssetDatas)) {
+        assert.areValidAssetDatas('availableAssetDatas', config.availableAssetDatas);
     }
-    if (!_.isUndefined(props.availableAssetDatas)) {
-        assert.areValidAssetDatas('availableAssetDatas', props.availableAssetDatas);
+    if (!_.isUndefined(config.onClose)) {
+        assert.isFunction('onClose', config.onClose);
     }
-    if (!_.isUndefined(props.onClose)) {
-        assert.isFunction('props.onClose', props.onClose);
+    if (!_.isUndefined(config.zIndex)) {
+        assert.isNumber('zIndex', config.zIndex);
     }
-    if (!_.isUndefined(props.zIndex)) {
-        assert.isNumber('props.zIndex', props.zIndex);
+    if (!_.isUndefined(config.affiliateInfo)) {
+        assert.isValidAffiliateInfo('affiliateInfo', config.affiliateInfo);
     }
-    if (!_.isUndefined(props.affiliateInfo)) {
-        assert.isValidAffiliateInfo('props.affiliateInfo', props.affiliateInfo);
+    if (!_.isUndefined(config.provider)) {
+        assert.isWeb3Provider('provider', config.provider);
     }
-    if (!_.isUndefined(props.provider)) {
-        assert.isWeb3Provider('props.provider', props.provider);
+    if (!_.isUndefined(config.shouldDisablePushToHistory)) {
+        assert.isBoolean('shouldDisablePushToHistory', config.shouldDisablePushToHistory);
     }
-    if (!_.isUndefined(props.shouldDisableAnalyticsTracking)) {
-        assert.isBoolean('props.shouldDisableAnalyticsTracking', props.shouldDisableAnalyticsTracking);
+    if (!_.isUndefined(config.shouldDisableAnalyticsTracking)) {
+        assert.isBoolean('shouldDisableAnalyticsTracking', config.shouldDisableAnalyticsTracking);
     }
     assert.isString('selector', selector);
+};
+
+// Render instant and return a callback that allows you to remove it from the DOM.
+const renderInstant = (config: ZeroExInstantConfig, selector: string) => {
     const appendToIfExists = document.querySelector(selector);
     assert.assert(!_.isNull(appendToIfExists), `Could not find div with selector: ${selector}`);
     const appendTo = appendToIfExists as Element;
@@ -46,14 +56,57 @@ export const render = (props: ZeroExInstantOverlayProps, selector: string = DEFA
     injectedDiv.setAttribute('id', INJECTED_DIV_ID);
     injectedDiv.setAttribute('class', INJECTED_DIV_CLASS);
     appendTo.appendChild(injectedDiv);
+    const closeInstant = () => {
+        if (!_.isUndefined(config.onClose)) {
+            config.onClose();
+        }
+        appendTo.removeChild(injectedDiv);
+    };
     const instantOverlayProps = {
-        ...props,
-        onClose: () => {
-            appendTo.removeChild(injectedDiv);
-            if (!_.isUndefined(props.onClose)) {
-                props.onClose();
-            }
-        },
+        ...config,
+        // If we are using the history API, just go back to close
+        onClose: () => (config.shouldDisablePushToHistory ? closeInstant() : window.history.back()),
     };
     ReactDOM.render(React.createElement(ZeroExInstantOverlay, instantOverlayProps), injectedDiv);
+    return closeInstant;
+};
+
+export interface ZeroExInstantConfig extends ZeroExInstantOverlayProps {
+    shouldDisablePushToHistory?: boolean;
+}
+
+export const render = (config: ZeroExInstantConfig, selector: string = DEFAULT_ZERO_EX_CONTAINER_SELECTOR) => {
+    validateInstantRenderConfig(config, selector);
+    if (config.shouldDisablePushToHistory) {
+        if (!isInstantRendered()) {
+            renderInstant(config, selector);
+        }
+        return;
+    }
+    // Before we render, push to history saying that instant is showing for this part of the history.
+    window.history.pushState({ zeroExInstantShowing: true }, '0x Instant');
+    let removeInstant = renderInstant(config, selector);
+    // If the integrator defined a popstate handler, save it to __zeroExInstantIntegratorsPopStateHandler
+    // unless we have already done so on a previous render.
+    const anyWindow = window as any;
+    if (window.onpopstate && !anyWindow.__zeroExInstantIntegratorsPopStateHandler) {
+        anyWindow.__zeroExInstantIntegratorsPopStateHandler = window.onpopstate.bind(window);
+    }
+    const integratorsOnPopStateHandler = anyWindow.__zeroExInstantIntegratorsPopStateHandler || util.boundNoop;
+    const onPopStateHandler = (e: PopStateEvent) => {
+        integratorsOnPopStateHandler(e);
+        const newState = e.state;
+        if (newState && newState.zeroExInstantShowing) {
+            // We have returned to a history state that expects instant to be rendered.
+            if (!isInstantRendered()) {
+                removeInstant = renderInstant(config, selector);
+            }
+        } else {
+            // History has changed to a different state.
+            if (isInstantRendered()) {
+                removeInstant();
+            }
+        }
+    };
+    window.onpopstate = onPopStateHandler;
 };
diff --git a/packages/instant/src/redux/analytics_middleware.ts b/packages/instant/src/redux/analytics_middleware.ts
index f971dbd33..299c2560e 100644
--- a/packages/instant/src/redux/analytics_middleware.ts
+++ b/packages/instant/src/redux/analytics_middleware.ts
@@ -10,20 +10,6 @@ import { Action, ActionTypes } from './actions';
 
 import { State } from './reducer';
 
-const shouldTriggerWalletReady = (prevAccount: Account, curAccount: Account): boolean => {
-    const didJustTurnReady = curAccount.state === AccountState.Ready && prevAccount.state !== AccountState.Ready;
-    if (didJustTurnReady) {
-        return true;
-    }
-
-    if (curAccount.state === AccountState.Ready && prevAccount.state === AccountState.Ready) {
-        // Account was ready, and is now ready again, but address has changed
-        return curAccount.address !== prevAccount.address;
-    }
-
-    return false;
-};
-
 export const analyticsMiddleware: Middleware = store => next => middlewareAction => {
     const prevState = store.getState() as State;
     const prevAccount = prevState.providerState.account;
@@ -35,10 +21,24 @@ export const analyticsMiddleware: Middleware = store => next => middlewareAction
 
     switch (nextAction.type) {
         case ActionTypes.SET_ACCOUNT_STATE_READY:
-            if (curAccount.state === AccountState.Ready && shouldTriggerWalletReady(prevAccount, curAccount)) {
+            if (curAccount.state === AccountState.Ready) {
+                const didJustTurnReady = prevAccount.state !== AccountState.Ready;
+                const didJustUpdateAddress =
+                    prevAccount.state === AccountState.Ready && prevAccount.address !== curAccount.address;
                 const ethAddress = curAccount.address;
-                analytics.addUserProperties({ ethAddress });
-                analytics.trackWalletReady();
+                if (didJustTurnReady) {
+                    analytics.trackAccountReady(ethAddress);
+                    analytics.addUserProperties({ lastKnownEthAddress: ethAddress });
+                } else if (didJustUpdateAddress) {
+                    analytics.trackAccountAddressChanged(ethAddress);
+                    analytics.addUserProperties({ lastKnownEthAddress: ethAddress });
+                }
+            }
+            break;
+        case ActionTypes.SET_ACCOUNT_STATE_LOCKED:
+            if (prevAccount.state !== AccountState.Locked && curAccount.state === AccountState.Locked) {
+                // if we are moving from account not locked to account locked, track `Account - Locked`
+                analytics.trackAccountLocked();
             }
             break;
         case ActionTypes.UPDATE_ACCOUNT_ETH_BALANCE:
diff --git a/packages/instant/src/redux/async_data.ts b/packages/instant/src/redux/async_data.ts
index 5d30388b8..6feb760e7 100644
--- a/packages/instant/src/redux/async_data.ts
+++ b/packages/instant/src/redux/async_data.ts
@@ -5,6 +5,7 @@ import { Dispatch } from 'redux';
 
 import { BIG_NUMBER_ZERO } from '../constants';
 import { AccountState, ERC20Asset, OrderProcessState, ProviderState } from '../types';
+import { analytics } from '../util/analytics';
 import { assetUtils } from '../util/asset';
 import { buyQuoteUpdater } from '../util/buy_quote_updater';
 import { coinbaseApi } from '../util/coinbase_api';
@@ -58,6 +59,7 @@ export const asyncData = {
                     ? await (provider as any).enable()
                     : await web3Wrapper.getAvailableAddressesAsync();
         } catch (e) {
+            analytics.trackAccountUnlockDenied();
             dispatch(actions.setAccountStateLocked());
             return;
         }
diff --git a/packages/instant/src/util/analytics.ts b/packages/instant/src/util/analytics.ts
index 2ffaac1dd..e389e1530 100644
--- a/packages/instant/src/util/analytics.ts
+++ b/packages/instant/src/util/analytics.ts
@@ -1,6 +1,4 @@
-import { ObjectMap } from '@0x/types';
-
-import { heapUtil } from './heap';
+import { EventProperties, heapUtil } from './heap';
 
 let isDisabled = false;
 export const disableAnalytics = (shouldDisableAnalytics: boolean) => {
@@ -15,11 +13,15 @@ export const evaluateIfEnabled = (fnCall: () => void) => {
 
 enum EventNames {
     INSTANT_OPENED = 'Instant - Opened',
-    WALLET_READY = 'Wallet - Ready',
+    ACCOUNT_LOCKED = 'Account - Locked',
+    ACCOUNT_READY = 'Account - Ready',
+    ACCOUNT_UNLOCK_REQUESTED = 'Account - Unlock Requested',
+    ACCOUNT_UNLOCK_DENIED = 'Account - Unlock Denied',
+    ACCOUNT_ADDRESS_CHANGED = 'Account - Address Changed',
 }
-const track = (eventName: EventNames, eventData: ObjectMap<string | number> = {}): void => {
+const track = (eventName: EventNames, eventProperties: EventProperties = {}): void => {
     evaluateIfEnabled(() => {
-        heapUtil.evaluateHeapCall(heap => heap.track(eventName, eventData));
+        heapUtil.evaluateHeapCall(heap => heap.track(eventName, eventProperties));
     });
 };
 function trackingEventFnWithoutPayload(eventName: EventNames): () => void {
@@ -28,16 +30,14 @@ function trackingEventFnWithoutPayload(eventName: EventNames): () => void {
     };
 }
 // tslint:disable-next-line:no-unused-variable
-function trackingEventFnWithPayload<T extends ObjectMap<string | number>>(
-    eventName: EventNames,
-): (eventDataProperties: T) => void {
-    return (eventDataProperties: T) => {
-        track(eventName, eventDataProperties);
+function trackingEventFnWithPayload(eventName: EventNames): (eventProperties: EventProperties) => void {
+    return (eventProperties: EventProperties) => {
+        track(eventName, eventProperties);
     };
 }
 
 export interface AnalyticsUserOptions {
-    ethAddress?: string;
+    lastKnownEthAddress?: string;
     ethBalanceInUnitAmount?: string;
 }
 export interface AnalyticsEventOptions {
@@ -48,6 +48,7 @@ export interface AnalyticsEventOptions {
     gitSha?: string;
     npmVersion?: string;
 }
+
 export const analytics = {
     addUserProperties: (properties: AnalyticsUserOptions): void => {
         evaluateIfEnabled(() => {
@@ -59,6 +60,11 @@ export const analytics = {
             heapUtil.evaluateHeapCall(heap => heap.addEventProperties(properties));
         });
     },
-    trackWalletReady: trackingEventFnWithoutPayload(EventNames.WALLET_READY),
     trackInstantOpened: trackingEventFnWithoutPayload(EventNames.INSTANT_OPENED),
+    trackAccountLocked: trackingEventFnWithoutPayload(EventNames.ACCOUNT_LOCKED),
+    trackAccountReady: (address: string) => trackingEventFnWithPayload(EventNames.ACCOUNT_READY)({ address }),
+    trackAccountUnlockRequested: trackingEventFnWithoutPayload(EventNames.ACCOUNT_UNLOCK_REQUESTED),
+    trackAccountUnlockDenied: trackingEventFnWithoutPayload(EventNames.ACCOUNT_UNLOCK_DENIED),
+    trackAccountAddressChanged: (address: string) =>
+        trackingEventFnWithPayload(EventNames.ACCOUNT_ADDRESS_CHANGED)({ address }),
 };
diff --git a/packages/instant/src/util/heap.ts b/packages/instant/src/util/heap.ts
index 78ec3b3cc..7c53c9918 100644
--- a/packages/instant/src/util/heap.ts
+++ b/packages/instant/src/util/heap.ts
@@ -6,11 +6,13 @@ import { HEAP_ANALYTICS_ID } from '../constants';
 
 import { AnalyticsEventOptions, AnalyticsUserOptions } from './analytics';
 
+export type EventProperties = ObjectMap<string | number>;
+
 export interface HeapAnalytics {
     loaded: boolean;
     appid: string;
     identify(id: string, idType: string): void;
-    track(eventName: string, eventProperties?: ObjectMap<string | number>): void;
+    track(eventName: string, eventProperties?: EventProperties): void;
     resetIdentity(): void;
     addUserProperties(properties: AnalyticsUserOptions): void;
     addEventProperties(properties: AnalyticsEventOptions): void;
diff --git a/packages/metacoin/package.json b/packages/metacoin/package.json
index c5679a1d6..332fbb466 100644
--- a/packages/metacoin/package.json
+++ b/packages/metacoin/package.json
@@ -18,7 +18,7 @@
         "test:coverage": "SOLIDITY_COVERAGE=true run-s build run_mocha coverage:report:text coverage:report:lcov",
         "test:profile": "SOLIDITY_PROFILER=true run-s build run_mocha profiler:report:html",
         "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js lib/test/global_hooks.js --bail --exit --timeout 10000",
-        "generate_contract_wrappers": "abi-gen --abis 'artifacts/Metacoin.json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/contract_wrappers --backend ethers",
+        "generate_contract_wrappers": "abi-gen --abis 'artifacts/Metacoin.json' --template ../../node_modules/@0x/abi-gen-templates/contract.handlebars --partials '../../node_modules/@0x/abi-gen-templates/partials/**/*.handlebars' --output src/contract_wrappers --backend ethers",
         "coverage:report:text": "istanbul report text",
         "coverage:report:html": "istanbul report html && open coverage/index.html",
         "profiler:report:html": "istanbul report html && open coverage/index.html",
@@ -30,6 +30,7 @@
     "license": "Apache-2.0",
     "dependencies": {
         "@0x/abi-gen": "^1.0.17",
+        "@0x/abi-gen-templates": "^1.0.0",
         "@0x/base-contract": "^3.0.7",
         "@0x/sol-cov": "^2.1.13",
         "@0x/subproviders": "^2.1.5",
diff --git a/packages/migrations/CHANGELOG.json b/packages/migrations/CHANGELOG.json
index 78719fc90..07031fc09 100644
--- a/packages/migrations/CHANGELOG.json
+++ b/packages/migrations/CHANGELOG.json
@@ -5,6 +5,14 @@
             {
                 "note": "Add CLI `0x-migrate` for running the 0x migrations in a language-agnostic way",
                 "pr": 1324
+            },
+            {
+                "note": "Deploy testnet Exchange arfitact. Previously mainnet Exchange artifact was deployed.",
+                "pr": 1309
+            },
+            {
+                "note": "Fund the Forwarder with ZRX for fees.",
+                "pr": 1309
             }
         ]
     },
diff --git a/packages/migrations/src/migration.ts b/packages/migrations/src/migration.ts
index 61ac56938..c684c4970 100644
--- a/packages/migrations/src/migration.ts
+++ b/packages/migrations/src/migration.ts
@@ -47,6 +47,7 @@ export async function runMigrationsAsync(provider: Provider, txDefaults: Partial
         artifacts.Exchange,
         provider,
         txDefaults,
+        zrxAssetData,
     );
 
     // Multisigs
@@ -140,6 +141,13 @@ export async function runMigrationsAsync(provider: Provider, txDefaults: Partial
         zrxAssetData,
     );
 
+    // Fund the Forwarder with ZRX
+    const zrxDecimals = await zrxToken.decimals.callAsync();
+    const zrxForwarderAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(5000), zrxDecimals);
+    await web3Wrapper.awaitTransactionSuccessAsync(
+        await zrxToken.transfer.sendTransactionAsync(forwarder.address, zrxForwarderAmount, txDefaults),
+    );
+
     return {
         erc20Proxy: erc20Proxy.address,
         erc721Proxy: erc721Proxy.address,
diff --git a/packages/web3-wrapper/CHANGELOG.json b/packages/web3-wrapper/CHANGELOG.json
index 9725640ac..ad6902e33 100644
--- a/packages/web3-wrapper/CHANGELOG.json
+++ b/packages/web3-wrapper/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "version": "3.1.6",
+        "changes": [
+            {
+                "note": "Unmarshall mined transaction receipts",
+                "pr": 1308
+            }
+        ]
+    },
+    {
         "version": "3.1.5",
         "changes": [
             {
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts
index f1247e48a..76cae4b01 100644
--- a/packages/web3-wrapper/src/web3_wrapper.ts
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -223,7 +223,10 @@ export class Web3Wrapper {
             method: 'eth_getTransactionReceipt',
             params: [txHash],
         });
-        if (!_.isNull(transactionReceiptRpc)) {
+        // HACK Parity can return a pending transaction receipt. We check for a non null
+        // block number before continuing with returning a fully realised receipt.
+        // ref: https://github.com/paritytech/parity-ethereum/issues/1180
+        if (!_.isNull(transactionReceiptRpc) && !_.isNull(transactionReceiptRpc.blockNumber)) {
             transactionReceiptRpc.status = Web3Wrapper._normalizeTxReceiptStatus(transactionReceiptRpc.status);
             const transactionReceipt = marshaller.unmarshalTransactionReceipt(transactionReceiptRpc);
             return transactionReceipt;
@@ -577,7 +580,7 @@ export class Web3Wrapper {
         }
         // Immediately check if the transaction has already been mined.
         let transactionReceipt = await this.getTransactionReceiptIfExistsAsync(txHash);
-        if (!_.isUndefined(transactionReceipt) && !_.isNull(transactionReceipt.blockNumber)) {
+        if (!_.isUndefined(transactionReceipt)) {
             const logsWithDecodedArgs = _.map(
                 transactionReceipt.logs,
                 this.abiDecoder.tryToDecodeLogOrNoop.bind(this.abiDecoder),