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

* 'development' of github.com:0xProject/0x-monorepo:
  Add additional CHANGELOG to types package
  Add CHANGELOG entry
  Fix prettier
  Fix `SimpleContractArtifact` type
  Update abi-gen-wrappers
  Add @0x/types to dependencies of `@0x/abi-gen-wrappers`
  Allow a `SimpleContractArtifact` to be passed into `deployFrom0xArtifactAsync`
  Update issue template
  fix(instant): Use new valid svg image for instant
  isDisabled -> isInputDisabled
  Allow user to select other token on success
  fix: do not use document on import
  fix(instant): Don't allow changing of assets when order processing
  fix: npmignore file ignoring index.d.ts
  fix: specify new location of index.js in package.json
  feat: fix instant build and add to project references
  chore: make instant public

28 files changed, 126 insertions, 71 deletions

diff --git a/ISSUE_TEMPLATE.md b/ISSUE_TEMPLATE.md
index f814c4777..591bbdbfa 100644
--- a/ISSUE_TEMPLATE.md
+++ b/ISSUE_TEMPLATE.md
@@ -46,10 +46,14 @@
 
 <!--- Include as many relevant details about the environment you experienced the bug in -->
 
-|             Package | Version |
-| ------------------: | :------ |
-|             `0x.js` | 0.25.0  |
-| `Exchange Contract` | v1      |
+| Package | Version |
+| ------: | :------ |
+
+
+<!-- For example:
+|             `0x.js` | 2.0.4   |
+| `Exchange Contract` | v2      |
+-->
 
 | Network |
 | ------- |
diff --git a/packages/abi-gen-wrappers/CHANGELOG.json b/packages/abi-gen-wrappers/CHANGELOG.json
index fff2bc41e..b55ee9867 100644
--- a/packages/abi-gen-wrappers/CHANGELOG.json
+++ b/packages/abi-gen-wrappers/CHANGELOG.json
@@ -1,5 +1,15 @@
 [
     {
+        "version": "1.1.0",
+        "changes": [
+            {
+                "note":
+                    "`deployFrom0xArtifactAsync` additionally accepts artifacts that conform to the `SimpleContractArtifact` interface",
+                "pr": 1298
+            }
+        ]
+    },
+    {
         "timestamp": 1542208198,
         "version": "1.0.5",
         "changes": [
diff --git a/packages/abi-gen-wrappers/package.json b/packages/abi-gen-wrappers/package.json
index 7236cf6ff..a86eb7ed1 100644
--- a/packages/abi-gen-wrappers/package.json
+++ b/packages/abi-gen-wrappers/package.json
@@ -32,6 +32,7 @@
     "devDependencies": {
         "@0x/abi-gen": "^1.0.16",
         "@0x/tslint-config": "^1.0.10",
+        "@0x/types": "^1.2.1",
         "@0x/utils": "^2.0.5",
         "@0x/web3-wrapper": "^3.1.4",
         "ethereum-types": "^1.1.2",
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/asset_proxy_owner.ts b/packages/abi-gen-wrappers/src/generated-wrappers/asset_proxy_owner.ts
index 8ca70e026..27f108ebc 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/asset_proxy_owner.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/asset_proxy_owner.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -1800,7 +1801,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
             _owners: string[],
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/dummy_erc20_token.ts b/packages/abi-gen-wrappers/src/generated-wrappers/dummy_erc20_token.ts
index 1efeeed0a..3995c6d87 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/dummy_erc20_token.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/dummy_erc20_token.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -968,7 +969,7 @@ export class DummyERC20TokenContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
             _name: string,
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/dummy_erc721_token.ts b/packages/abi-gen-wrappers/src/generated-wrappers/dummy_erc721_token.ts
index cc5f9679f..a7af2d158 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/dummy_erc721_token.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/dummy_erc721_token.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -1264,7 +1265,7 @@ export class DummyERC721TokenContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
             _name: string,
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/erc20_proxy.ts b/packages/abi-gen-wrappers/src/generated-wrappers/erc20_proxy.ts
index ab207b38e..474472e43 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/erc20_proxy.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/erc20_proxy.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -601,7 +602,7 @@ export class ERC20ProxyContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
     ): Promise<ERC20ProxyContract> {
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/erc20_token.ts b/packages/abi-gen-wrappers/src/generated-wrappers/erc20_token.ts
index 8ee563b7e..ab208cbf5 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/erc20_token.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/erc20_token.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -508,7 +509,7 @@ export class ERC20TokenContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
     ): Promise<ERC20TokenContract> {
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/erc721_proxy.ts b/packages/abi-gen-wrappers/src/generated-wrappers/erc721_proxy.ts
index 691c55578..f9730a072 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/erc721_proxy.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/erc721_proxy.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -601,7 +602,7 @@ export class ERC721ProxyContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
     ): Promise<ERC721ProxyContract> {
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/erc721_token.ts b/packages/abi-gen-wrappers/src/generated-wrappers/erc721_token.ts
index d1a2d5670..251dfa5f9 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/erc721_token.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/erc721_token.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -845,7 +846,7 @@ export class ERC721TokenContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
     ): Promise<ERC721TokenContract> {
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts b/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts
index ffd498055..a04b6025e 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -3024,7 +3025,7 @@ export class ExchangeContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
     ): Promise<ExchangeContract> {
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/forwarder.ts b/packages/abi-gen-wrappers/src/generated-wrappers/forwarder.ts
index 80bbc52c7..8a88431b3 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/forwarder.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/forwarder.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -661,7 +662,7 @@ export class ForwarderContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
             _exchange: string,
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/i_validator.ts b/packages/abi-gen-wrappers/src/generated-wrappers/i_validator.ts
index 203a66b6d..5f38ffdac 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/i_validator.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/i_validator.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -60,7 +61,7 @@ export class IValidatorContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
     ): Promise<IValidatorContract> {
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/i_wallet.ts b/packages/abi-gen-wrappers/src/generated-wrappers/i_wallet.ts
index 99809a049..5fa6f1577 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/i_wallet.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/i_wallet.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -55,7 +56,7 @@ export class IWalletContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
     ): Promise<IWalletContract> {
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/order_validator.ts b/packages/abi-gen-wrappers/src/generated-wrappers/order_validator.ts
index 38233af3f..ce47b76fc 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/order_validator.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/order_validator.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -295,7 +296,7 @@ export class OrderValidatorContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
             _exchange: string,
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/weth9.ts b/packages/abi-gen-wrappers/src/generated-wrappers/weth9.ts
index 86d1031db..12ec55ae9 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/weth9.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/weth9.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -787,7 +788,7 @@ export class WETH9Contract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
     ): Promise<WETH9Contract> {
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/zrx_token.ts b/packages/abi-gen-wrappers/src/generated-wrappers/zrx_token.ts
index 98079e77b..877ffd12d 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/zrx_token.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/zrx_token.ts
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -598,7 +599,7 @@ export class ZRXTokenContract extends BaseContract {
         },
     };
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
     ): Promise<ZRXTokenContract> {
diff --git a/packages/contract_templates/contract.handlebars b/packages/contract_templates/contract.handlebars
index 9c1952ed4..9b2a2b336 100644
--- a/packages/contract_templates/contract.handlebars
+++ b/packages/contract_templates/contract.handlebars
@@ -4,6 +4,7 @@
 import { BaseContract } from '@0x/base-contract';
 import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
 import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as ethers from 'ethers';
 import * as _ from 'lodash';
@@ -40,7 +41,7 @@ export class {{contractName}}Contract extends BaseContract {
     {{/this.constant}}
 {{/each}}
     public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact,
+        artifact: ContractArtifact | SimpleContractArtifact,
         provider: Provider,
         txDefaults: Partial<TxData>,
         {{> typed_params inputs=ctor.inputs}}
diff --git a/packages/instant/.npmignore b/packages/instant/.npmignore
index 579d65af0..a4f7810c0 100644
--- a/packages/instant/.npmignore
+++ b/packages/instant/.npmignore
@@ -1,5 +1,5 @@
 .*
 *
 */
-!lib/src/**/*
+!lib/**/*
 !umd/**/*
\ No newline at end of file
diff --git a/packages/instant/package.json b/packages/instant/package.json
index 1813d61e5..69319e854 100644
--- a/packages/instant/package.json
+++ b/packages/instant/package.json
@@ -5,9 +5,8 @@
         "node": ">=6.12"
     },
     "description": "0x Instant React Component",
-    "private": true,
-    "main": "lib/src/index.js",
-    "types": "lib/src/index.d.ts",
+    "main": "lib/index.js",
+    "types": "lib/index.d.ts",
     "scripts": {
         "build": "yarn build:all",
         "build:all": "run-p build:umd:prod build:commonjs",
@@ -99,6 +98,6 @@
         "webpack-dev-server": "^3.1.9"
     },
     "publishConfig": {
-        "access": "private"
+        "access": "public"
     }
 }
diff --git a/packages/instant/src/assets/powered_by_0x.svg b/packages/instant/src/assets/powered_by_0x.svg
index f49238a3c..e3d007d0b 100644
--- a/packages/instant/src/assets/powered_by_0x.svg
+++ b/packages/instant/src/assets/powered_by_0x.svg
@@ -1,27 +1,17 @@
-<svg width="114" height="20" viewBox="0 0 114 20" fill="none" xmlns="http://www.w3.org/2000/svg">
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+<path d="M95.7487 3.89648C93.6141 3.89648 92.2419 5.54671 92.2419 8.8651C92.2419 12.1566 93.6231 13.8247 95.7487 13.8247C97.8742 13.8247 99.2733 12.1566 99.2733 8.8651C99.2733 5.57361 97.8742 3.89648 95.7487 3.89648ZM93.4348 8.87406C93.4348 6.41666 94.1971 4.97272 95.7397 4.97272C96.2061 4.97272 96.6097 5.10725 96.9594 5.38527L93.928 11.5826C93.6052 10.9279 93.4348 10.031 93.4348 8.87406ZM95.7487 12.7664C95.2823 12.7664 94.8877 12.6319 94.5469 12.3718L97.5783 6.18348C97.9101 6.85613 98.0715 7.74402 98.0715 8.87406C98.0715 11.3135 97.2913 12.7664 95.7487 12.7664Z" fill="#777777"/>
+<path d="M104.96 10.085L106.915 6.7666H105.704L104.09 9.50203H103.596L102.018 6.7666H100.78L102.708 10.1298L100.565 13.6545H101.838L103.587 10.7666H104.072L105.785 13.6545H107.094L104.96 10.085Z" fill="#777777"/>
 </svg>
diff --git a/packages/instant/src/components/erc20_asset_amount_input.tsx b/packages/instant/src/components/erc20_asset_amount_input.tsx
index 520ac33d5..b825255c4 100644
--- a/packages/instant/src/components/erc20_asset_amount_input.tsx
+++ b/packages/instant/src/components/erc20_asset_amount_input.tsx
@@ -22,7 +22,8 @@ export interface ERC20AssetAmountInputProps {
     onSelectAssetClick?: (asset?: ERC20Asset) => void;
     startingFontSizePx: number;
     fontColor?: ColorOption;
-    isDisabled: boolean;
+    isInputDisabled: boolean;
+    canSelectOtherAsset: boolean;
     numberOfAssetsAvailable?: number;
 }
 
@@ -50,14 +51,15 @@ export class ERC20AssetAmountInput extends React.Component<ERC20AssetAmountInput
         );
     }
     private readonly _renderContentForAsset = (asset: ERC20Asset): React.ReactNode => {
-        const { onChange, ...rest } = this.props;
-        const amountBorderBottom = this.props.isDisabled ? '' : `1px solid ${transparentWhite}`;
+        const { onChange, isInputDisabled, ...rest } = this.props;
+        const amountBorderBottom = isInputDisabled ? '' : `1px solid ${transparentWhite}`;
         const onSymbolClick = this._generateSelectAssetClickHandler();
         return (
             <React.Fragment>
                 <Container borderBottom={amountBorderBottom} display="inline-block">
                     <ScalingAmountInput
                         {...rest}
+                        isDisabled={isInputDisabled}
                         textLengthThreshold={this._textLengthThresholdForAsset(asset)}
                         maxFontSizePx={this.props.startingFontSizePx}
                         onAmountChange={this._handleChange}
@@ -74,11 +76,11 @@ export class ERC20AssetAmountInput extends React.Component<ERC20AssetAmountInput
                             fontSize={`${this.state.currentFontSizePx}px`}
                             fontColor={ColorOption.white}
                             textTransform="uppercase"
-                            onClick={onSymbolClick}
+                            onClick={this.props.canSelectOtherAsset ? onSymbolClick : undefined}
                         >
                             {assetUtils.formattedSymbolForAsset(asset)}
                         </Text>
-                        {this._renderChevronIcon()}
+                        {this.props.canSelectOtherAsset && this._renderChevronIcon()}
                     </Flex>
                 </Container>
             </React.Fragment>
diff --git a/packages/instant/src/components/zero_ex_instant_provider.tsx b/packages/instant/src/components/zero_ex_instant_provider.tsx
index 9435d8c7c..9814aabf8 100644
--- a/packages/instant/src/components/zero_ex_instant_provider.tsx
+++ b/packages/instant/src/components/zero_ex_instant_provider.tsx
@@ -20,8 +20,6 @@ import { Heartbeater } from '../util/heartbeater';
 import { generateAccountHeartbeater, generateBuyQuoteHeartbeater } from '../util/heartbeater_factory';
 import { providerStateFactory } from '../util/provider_state_factory';
 
-fonts.include();
-
 export type ZeroExInstantProviderProps = ZeroExInstantProviderRequiredProps &
     Partial<ZeroExInstantProviderOptionalProps>;
 
@@ -88,6 +86,7 @@ export class ZeroExInstantProvider extends React.Component<ZeroExInstantProvider
     }
     constructor(props: ZeroExInstantProviderProps) {
         super(props);
+        fonts.include();
         const initialAppState = ZeroExInstantProvider._mergeDefaultStateWithProps(this.props);
         this._store = store.create(initialAppState);
     }
diff --git a/packages/instant/src/containers/selected_erc20_asset_amount_input.ts b/packages/instant/src/containers/selected_erc20_asset_amount_input.ts
index 2c2661e1a..a39bc46a2 100644
--- a/packages/instant/src/containers/selected_erc20_asset_amount_input.ts
+++ b/packages/instant/src/containers/selected_erc20_asset_amount_input.ts
@@ -23,9 +23,10 @@ interface ConnectedState {
     assetBuyer: AssetBuyer;
     value?: BigNumber;
     asset?: ERC20Asset;
-    isDisabled: boolean;
+    isInputDisabled: boolean;
     numberOfAssetsAvailable?: number;
     affiliateInfo?: AffiliateInfo;
+    canSelectOtherAsset: boolean;
 }
 
 interface ConnectedDispatch {
@@ -43,21 +44,27 @@ type FinalProps = ConnectedProps & SelectedERC20AssetAmountInputProps;
 
 const mapStateToProps = (state: State, _ownProps: SelectedERC20AssetAmountInputProps): ConnectedState => {
     const processState = state.buyOrderState.processState;
-    const isEnabled = processState === OrderProcessState.None || processState === OrderProcessState.Failure;
-    const isDisabled = !isEnabled;
+    const isInputEnabled = processState === OrderProcessState.None || processState === OrderProcessState.Failure;
+    const isInputDisabled = !isInputEnabled;
     const selectedAsset =
         !_.isUndefined(state.selectedAsset) && state.selectedAsset.metaData.assetProxyId === AssetProxyId.ERC20
             ? (state.selectedAsset as ERC20Asset)
             : undefined;
     const numberOfAssetsAvailable = _.isUndefined(state.availableAssets) ? undefined : state.availableAssets.length;
+    const canSelectOtherAsset =
+        numberOfAssetsAvailable && numberOfAssetsAvailable > 1
+            ? isInputEnabled || processState === OrderProcessState.Success
+            : false;
+
     const assetBuyer = state.providerState.assetBuyer;
     return {
         assetBuyer,
         value: state.selectedAssetUnitAmount,
         asset: selectedAsset,
-        isDisabled,
+        isInputDisabled,
         numberOfAssetsAvailable,
         affiliateInfo: state.affiliateInfo,
+        canSelectOtherAsset,
     };
 };
 
@@ -102,8 +109,9 @@ const mergeProps = (
         onChange: (value, asset) => {
             connectedDispatch.updateBuyQuote(connectedState.assetBuyer, value, asset, connectedState.affiliateInfo);
         },
-        isDisabled: connectedState.isDisabled,
+        isInputDisabled: connectedState.isInputDisabled,
         numberOfAssetsAvailable: connectedState.numberOfAssetsAvailable,
+        canSelectOtherAsset: connectedState.canSelectOtherAsset,
     };
 };
 
diff --git a/packages/instant/tsconfig.json b/packages/instant/tsconfig.json
index 28a6190b8..14b0ad8f7 100644
--- a/packages/instant/tsconfig.json
+++ b/packages/instant/tsconfig.json
@@ -2,16 +2,11 @@
     "extends": "../../tsconfig",
     "compilerOptions": {
         "outDir": "lib",
-        "rootDir": ".",
+        "rootDir": "src",
         "jsx": "react",
-        "allowSyntheticDefaultImports": true,
         "noImplicitAny": true,
-        "module": "ESNext",
-        "moduleResolution": "node",
-        "lib": ["es2015", "dom"],
-        "target": "es5",
-        "sourceMap": true
+        "allowSyntheticDefaultImports": true
     },
-    "include": ["./src/**/*", "./test/**/*"],
+    "include": ["./src/**/*"],
     "exclude": ["./src/index.umd.ts"]
 }
diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json
index 6d9f83c57..ecab7e9d6 100644
--- a/packages/types/CHANGELOG.json
+++ b/packages/types/CHANGELOG.json
@@ -1,5 +1,15 @@
 [
     {
+        "version": "1.3.0",
+        "changes": [
+            {
+                "note":
+                    "Add the `SimpleContractArtifact` type, which describes the artifact format published in the `@0x/contract-artifacts` package",
+                "pr": 1298
+            }
+        ]
+    },
+    {
         "version": "1.2.1",
         "changes": [
             {
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 3c9b6bbc5..1a86f45e6 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -1,7 +1,7 @@
 // tslint:disable:max-file-line-count
 
 import { BigNumber } from 'bignumber.js';
-import { ContractAbi } from 'ethereum-types';
+import { ContractAbi, ContractNetworks, DevdocOutput } from 'ethereum-types';
 
 // HACK: Rather then extending from OrderWithoutExchangeAddress
 // we don't, because our docs don't expand inherited types, and it's unnecessarily
@@ -626,3 +626,24 @@ export interface EIP712TypedData {
 export interface Stats {
     orderCount: number;
 }
+
+export interface SimpleContractArtifact {
+    schemaVersion: string;
+    contractName: string;
+    compilerOutput: SimpleStandardContractOutput;
+    networks: ContractNetworks;
+}
+
+export interface SimpleStandardContractOutput {
+    abi: ContractAbi;
+    evm: SimpleEvmOutput;
+    devdoc?: DevdocOutput;
+}
+
+export interface SimpleEvmOutput {
+    bytecode: SimpleEvmBytecodeOutput;
+}
+
+export interface SimpleEvmBytecodeOutput {
+    object: string;
+}
diff --git a/tsconfig.json b/tsconfig.json
index bbcb0a6d2..eaaca8e4e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -34,6 +34,7 @@
         { "path": "./packages/dev-utils" },
         { "path": "./packages/ethereum-types" },
         { "path": "./packages/fill-scenarios" },
+        { "path": "./packages/instant" },
         { "path": "./packages/json-schemas" },
         { "path": "./packages/metacoin" },
         { "path": "./packages/migrations" },