Publish

- @0x/contracts-asset-proxy@3.7.3
 - @0x/contracts-broker@1.1.21
 - @0x/contracts-coordinator@3.1.22
 - @0x/contracts-dev-utils@1.3.20
 - @0x/contracts-erc1155@2.1.21
 - @0x/contracts-erc20@3.3.0
 - @0x/contracts-erc721@3.1.21
 - @0x/contracts-exchange-forwarder@4.2.22
 - @0x/contracts-exchange-libs@4.3.21
 - @0x/contracts-exchange@3.2.22
 - @0x/contracts-extensions@6.2.16
 - @0x/contracts-integrations@2.7.22
 - @0x/contracts-multisig@4.1.22
 - @0x/contracts-staking@2.0.29
 - @0x/contracts-test-utils@5.3.18
 - @0x/contracts-utils@4.7.0
 - @0x/contracts-zero-ex@0.17.0
 - @0x/asset-swapper@5.6.2
 - @0x/contract-artifacts@3.11.0
 - @0x/contract-wrappers-test@12.2.33
 - @0x/contract-wrappers@13.12.0
 - @0x/migrations@6.5.9
 - @0x/order-utils@10.4.13
 - @0x/protocol-utils@1.1.3

contracts/asset-proxy/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "3.7.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "3.7.2",

contracts/asset-proxy/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.7.3 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v3.7.2 - _December 23, 2020_
 
     * Dependencies updated

contracts/asset-proxy/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-asset-proxy",
-    "version": "3.7.2",
+    "version": "3.7.3",
     "engines": {
         "node": ">=6.12"
     },
@@ -52,10 +52,10 @@
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/protocol",
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
-        "@0x/contract-wrappers": "^13.11.2",
+        "@0x/contract-wrappers": "^13.12.0",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/dev-utils": "^4.1.3",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",
@@ -80,11 +80,11 @@
     },
     "dependencies": {
         "@0x/base-contract": "^6.2.14",
-        "@0x/contracts-erc1155": "^2.1.20",
+        "@0x/contracts-erc1155": "^2.1.21",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
-        "@0x/contracts-erc721": "^3.1.20",
+        "@0x/contracts-erc721": "^3.1.21",
-        "@0x/contracts-exchange-libs": "^4.3.20",
+        "@0x/contracts-exchange-libs": "^4.3.21",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",
         "@0x/utils": "^6.1.1",

contracts/broker/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "1.1.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "1.1.20",

contracts/broker/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.1.21 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v1.1.20 - _December 23, 2020_
 
     * Dependencies updated

contracts/broker/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-broker",
-    "version": "1.1.20",
+    "version": "1.1.21",
     "engines": {
         "node": ">=6.12"
     },
@@ -52,14 +52,14 @@
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
-        "@0x/contracts-asset-proxy": "^3.7.2",
+        "@0x/contracts-asset-proxy": "^3.7.3",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
-        "@0x/contracts-erc721": "^3.1.20",
+        "@0x/contracts-erc721": "^3.1.21",
-        "@0x/contracts-exchange": "^3.2.21",
+        "@0x/contracts-exchange": "^3.2.22",
-        "@0x/contracts-exchange-libs": "^4.3.20",
+        "@0x/contracts-exchange-libs": "^4.3.21",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
@@ -85,7 +85,7 @@
     },
     "dependencies": {
         "@0x/base-contract": "^6.2.14",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/typescript-typings": "^5.1.6",
         "@0x/utils": "^6.1.1",
         "ethereum-types": "^3.4.0"

contracts/coordinator/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "3.1.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "3.1.21",

contracts/coordinator/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.1.22 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v3.1.21 - _December 23, 2020_
 
     * Dependencies updated

contracts/coordinator/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-coordinator",
-    "version": "3.1.21",
+    "version": "3.1.22",
     "engines": {
         "node": ">=6.12"
     },
@@ -53,12 +53,12 @@
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
-        "@0x/contracts-asset-proxy": "^3.7.2",
+        "@0x/contracts-asset-proxy": "^3.7.3",
-        "@0x/contracts-dev-utils": "^1.3.19",
+        "@0x/contracts-dev-utils": "^1.3.20",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
         "@0x/contracts-gen": "^2.0.24",
         "@0x/dev-utils": "^4.1.3",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
@@ -85,9 +85,9 @@
         "@0x/assert": "^3.0.19",
         "@0x/base-contract": "^6.2.14",
         "@0x/contract-addresses": "^5.8.0",
-        "@0x/contracts-exchange": "^3.2.21",
+        "@0x/contracts-exchange": "^3.2.22",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/json-schemas": "^5.3.4",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",

contracts/dev-utils/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "1.3.20",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "1.3.19",

contracts/dev-utils/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.3.20 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v1.3.19 - _December 23, 2020_
 
     * Dependencies updated

contracts/dev-utils/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-dev-utils",
-    "version": "1.3.19",
+    "version": "1.3.20",
     "engines": {
         "node": ">=6.12"
     },
@@ -43,10 +43,10 @@
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
         "@0x/assert": "^3.0.19",
-        "@0x/contracts-asset-proxy": "^3.7.2",
+        "@0x/contracts-asset-proxy": "^3.7.3",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",

contracts/erc1155/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "2.1.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "2.1.20",

contracts/erc1155/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.1.21 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v2.1.20 - _December 23, 2020_
 
     * Dependencies updated

contracts/erc1155/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-erc1155",
-    "version": "2.1.20",
+    "version": "2.1.21",
     "engines": {
         "node": ">=6.12"
     },
@@ -54,7 +54,7 @@
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/dev-utils": "^4.1.3",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",
@@ -81,7 +81,7 @@
     },
     "dependencies": {
         "@0x/base-contract": "^6.2.14",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
         "@0x/utils": "^6.1.1",
         "@0x/web3-wrapper": "^7.3.0",
         "lodash": "^4.17.11"

contracts/erc20/CHANGELOG.json

@@ -1,4 +1,14 @@
 [
+    {
+        "version": "3.3.0",
+        "changes": [
+            {
+                "note": "Allow for excess return data in `LibERC20TokenV06` compat* functions",
+                "pr": 97
+            }
+        ],
+        "timestamp": 1609802516
+    },
     {
         "timestamp": 1608692071,
         "version": "3.2.14",

contracts/erc20/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.3.0 - _January 4, 2021_
+
+    * Allow for excess return data in `LibERC20TokenV06` compat* functions (#97)
+
 ## v3.2.14 - _December 23, 2020_
 
     * Dependencies updated

contracts/erc20/contracts/src/v06/LibERC20TokenV06.sol

@@ -118,7 +118,7 @@ library LibERC20TokenV06 {
     {
         tokenDecimals = 18;
         (bool didSucceed, bytes memory resultData) = address(token).staticcall(DECIMALS_CALL_DATA);
-        if (didSucceed && resultData.length == 32) {
+        if (didSucceed && resultData.length >= 32) {
             tokenDecimals = uint8(LibBytesV06.readUint256(resultData, 0));
         }
     }
@@ -141,7 +141,7 @@ library LibERC20TokenV06 {
                 spender
             )
         );
-        if (didSucceed && resultData.length == 32) {
+        if (didSucceed && resultData.length >= 32) {
             allowance_ = LibBytesV06.readUint256(resultData, 0);
         }
     }
@@ -162,7 +162,7 @@ library LibERC20TokenV06 {
                 owner
             )
         );
-        if (didSucceed && resultData.length == 32) {
+        if (didSucceed && resultData.length >= 32) {
             balance = LibBytesV06.readUint256(resultData, 0);
         }
     }
@@ -180,7 +180,7 @@ library LibERC20TokenV06 {
         if (resultData.length == 0) {
             return true;
         }
-        if (resultData.length == 32) {
+        if (resultData.length >= 32) {
             uint256 result = LibBytesV06.readUint256(resultData, 0);
             if (result == 1) {
                 return true;

contracts/erc20/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-erc20",
-    "version": "3.2.14",
+    "version": "3.3.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -53,8 +53,8 @@
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/dev-utils": "^4.1.3",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",

contracts/erc721/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "3.1.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "3.1.20",

contracts/erc721/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.1.21 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v3.1.20 - _December 23, 2020_
 
     * Dependencies updated

contracts/erc721/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-erc721",
-    "version": "3.1.20",
+    "version": "3.1.21",
     "engines": {
         "node": ">=6.12"
     },
@@ -54,8 +54,8 @@
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/dev-utils": "^4.1.3",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",

contracts/exchange-forwarder/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "4.2.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "4.2.21",

contracts/exchange-forwarder/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.2.22 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v4.2.21 - _December 23, 2020_
 
     * Dependencies updated

contracts/exchange-forwarder/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-exchange-forwarder",
-    "version": "4.2.21",
+    "version": "4.2.22",
     "engines": {
         "node": ">=6.12"
     },
@@ -53,18 +53,18 @@
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
-        "@0x/contracts-asset-proxy": "^3.7.2",
+        "@0x/contracts-asset-proxy": "^3.7.3",
-        "@0x/contracts-dev-utils": "^1.3.19",
+        "@0x/contracts-dev-utils": "^1.3.20",
-        "@0x/contracts-erc1155": "^2.1.20",
+        "@0x/contracts-erc1155": "^2.1.21",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
-        "@0x/contracts-erc721": "^3.1.20",
+        "@0x/contracts-erc721": "^3.1.21",
-        "@0x/contracts-exchange": "^3.2.21",
+        "@0x/contracts-exchange": "^3.2.22",
-        "@0x/contracts-exchange-libs": "^4.3.20",
+        "@0x/contracts-exchange-libs": "^4.3.21",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/dev-utils": "^4.1.3",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",

contracts/exchange-libs/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "4.3.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "4.3.20",

contracts/exchange-libs/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.3.21 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v4.3.20 - _December 23, 2020_
 
     * Dependencies updated

contracts/exchange-libs/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-exchange-libs",
-    "version": "4.3.20",
+    "version": "4.3.21",
     "engines": {
         "node": ">=6.12"
     },
@@ -81,9 +81,9 @@
     },
     "dependencies": {
         "@0x/base-contract": "^6.2.14",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",
         "@0x/utils": "^6.1.1",

contracts/exchange/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "3.2.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "3.2.21",

contracts/exchange/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.2.22 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v3.2.21 - _December 23, 2020_
 
     * Dependencies updated

contracts/exchange/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-exchange",
-    "version": "3.2.21",
+    "version": "3.2.22",
     "engines": {
         "node": ">=6.12"
     },
@@ -53,13 +53,13 @@
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/protocol",
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
-        "@0x/contracts-asset-proxy": "^3.7.2",
+        "@0x/contracts-asset-proxy": "^3.7.3",
-        "@0x/contracts-exchange-libs": "^4.3.20",
+        "@0x/contracts-exchange-libs": "^4.3.21",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-multisig": "^4.1.21",
+        "@0x/contracts-multisig": "^4.1.22",
-        "@0x/contracts-staking": "^2.0.28",
+        "@0x/contracts-staking": "^2.0.29",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/dev-utils": "^4.1.3",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",
@@ -89,11 +89,11 @@
     },
     "dependencies": {
         "@0x/base-contract": "^6.2.14",
-        "@0x/contracts-dev-utils": "^1.3.19",
+        "@0x/contracts-dev-utils": "^1.3.20",
-        "@0x/contracts-erc1155": "^2.1.20",
+        "@0x/contracts-erc1155": "^2.1.21",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
-        "@0x/contracts-erc721": "^3.1.20",
+        "@0x/contracts-erc721": "^3.1.21",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/utils": "^6.1.1",
         "lodash": "^4.17.11"
     },

contracts/extensions/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "6.2.16",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "6.2.15",

contracts/extensions/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v6.2.16 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v6.2.15 - _December 23, 2020_
 
     * Dependencies updated

contracts/extensions/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-extensions",
-    "version": "6.2.15",
+    "version": "6.2.16",
     "engines": {
         "node": ">=6.12"
     },
@@ -53,16 +53,16 @@
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
-        "@0x/contracts-asset-proxy": "^3.7.2",
+        "@0x/contracts-asset-proxy": "^3.7.3",
-        "@0x/contracts-dev-utils": "^1.3.19",
+        "@0x/contracts-dev-utils": "^1.3.20",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
-        "@0x/contracts-erc721": "^3.1.20",
+        "@0x/contracts-erc721": "^3.1.21",
-        "@0x/contracts-exchange": "^3.2.21",
+        "@0x/contracts-exchange": "^3.2.22",
-        "@0x/contracts-exchange-libs": "^4.3.20",
+        "@0x/contracts-exchange-libs": "^4.3.21",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/dev-utils": "^4.1.3",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
@@ -91,7 +91,7 @@
     },
     "dependencies": {
         "@0x/base-contract": "^6.2.14",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
         "@0x/typescript-typings": "^5.1.6",
         "ethereum-types": "^3.4.0"
     },

contracts/integrations/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-integrations",
-    "version": "2.7.19",
+    "version": "2.7.22",
     "private": true,
     "engines": {
         "node": ">=6.12"
@@ -54,20 +54,20 @@
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
         "@0x/contract-addresses": "^5.8.0",
-        "@0x/contract-wrappers": "^13.11.2",
+        "@0x/contract-wrappers": "^13.12.0",
-        "@0x/contracts-broker": "^1.1.20",
+        "@0x/contracts-broker": "^1.1.21",
-        "@0x/contracts-coordinator": "^3.1.21",
+        "@0x/contracts-coordinator": "^3.1.22",
-        "@0x/contracts-dev-utils": "^1.3.19",
+        "@0x/contracts-dev-utils": "^1.3.20",
-        "@0x/contracts-exchange-forwarder": "^4.2.21",
+        "@0x/contracts-exchange-forwarder": "^4.2.22",
-        "@0x/contracts-exchange-libs": "^4.3.20",
+        "@0x/contracts-exchange-libs": "^4.3.21",
-        "@0x/contracts-extensions": "^6.2.15",
+        "@0x/contracts-extensions": "^6.2.16",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/coordinator-server": "^1.0.5",
         "@0x/dev-utils": "^4.1.3",
-        "@0x/migrations": "^6.5.8",
+        "@0x/migrations": "^6.5.9",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
-        "@0x/protocol-utils": "^1.1.2",
+        "@0x/protocol-utils": "^1.1.3",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/tslint-config": "^4.1.3",
         "@0x/web3-wrapper": "^7.3.0",
@@ -93,17 +93,17 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/asset-swapper": "^5.5.3",
+        "@0x/asset-swapper": "^5.6.2",
         "@0x/base-contract": "^6.2.14",
-        "@0x/contracts-asset-proxy": "^3.7.2",
+        "@0x/contracts-asset-proxy": "^3.7.3",
-        "@0x/contracts-erc1155": "^2.1.20",
+        "@0x/contracts-erc1155": "^2.1.21",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
-        "@0x/contracts-erc721": "^3.1.20",
+        "@0x/contracts-erc721": "^3.1.21",
-        "@0x/contracts-exchange": "^3.2.21",
+        "@0x/contracts-exchange": "^3.2.22",
-        "@0x/contracts-multisig": "^4.1.21",
+        "@0x/contracts-multisig": "^4.1.22",
-        "@0x/contracts-staking": "^2.0.28",
+        "@0x/contracts-staking": "^2.0.29",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
-        "@0x/contracts-zero-ex": "^0.16.0",
+        "@0x/contracts-zero-ex": "^0.17.0",
         "@0x/subproviders": "^6.2.3",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",

contracts/multisig/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "4.1.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "4.1.21",

contracts/multisig/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.1.22 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v4.1.21 - _December 23, 2020_
 
     * Dependencies updated

contracts/multisig/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-multisig",
-    "version": "4.1.21",
+    "version": "4.1.22",
     "engines": {
         "node": ">=6.12"
     },
@@ -50,11 +50,11 @@
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/multisig",
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
-        "@0x/contracts-asset-proxy": "^3.7.2",
+        "@0x/contracts-asset-proxy": "^3.7.3",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/dev-utils": "^4.1.3",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/tslint-config": "^4.1.3",

contracts/staking/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "2.0.29",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "2.0.28",

contracts/staking/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.29 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v2.0.28 - _December 23, 2020_
 
     * Dependencies updated

contracts/staking/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-staking",
-    "version": "2.0.28",
+    "version": "2.0.29",
     "engines": {
         "node": ">=6.12"
     },
@@ -54,14 +54,14 @@
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/tokens",
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
-        "@0x/contracts-asset-proxy": "^3.7.2",
+        "@0x/contracts-asset-proxy": "^3.7.3",
-        "@0x/contracts-dev-utils": "^1.3.19",
+        "@0x/contracts-dev-utils": "^1.3.20",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
-        "@0x/contracts-exchange-libs": "^4.3.20",
+        "@0x/contracts-exchange-libs": "^4.3.21",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
         "@0x/dev-utils": "^4.1.3",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
@@ -88,7 +88,7 @@
     },
     "dependencies": {
         "@0x/base-contract": "^6.2.14",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
         "@0x/typescript-typings": "^5.1.6",
         "@0x/utils": "^6.1.1",
         "ethereum-types": "^3.4.0",

contracts/test-utils/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "5.3.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "5.3.17",

contracts/test-utils/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v5.3.18 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v5.3.17 - _December 23, 2020_
 
     * Dependencies updated

contracts/test-utils/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-test-utils",
-    "version": "5.3.17",
+    "version": "5.3.18",
     "engines": {
         "node": ">=6.12"
     },
@@ -47,7 +47,7 @@
         "@0x/contract-addresses": "^5.8.0",
         "@0x/dev-utils": "^4.1.3",
         "@0x/json-schemas": "^5.3.4",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/sol-coverage": "^4.0.24",
         "@0x/sol-profiler": "^4.1.14",
         "@0x/sol-trace": "^3.0.24",

contracts/utils/CHANGELOG.json

@@ -1,4 +1,14 @@
 [
+    {
+        "version": "4.7.0",
+        "changes": [
+            {
+                "note": "Add `LibSafeMathV06.safeDowncastToUint128()`",
+                "pr": 97
+            }
+        ],
+        "timestamp": 1609802516
+    },
     {
         "timestamp": 1608692071,
         "version": "4.6.5",

contracts/utils/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.7.0 - _January 4, 2021_
+
+    * Add `LibSafeMathV06.safeDowncastToUint128()` (#97)
+
 ## v4.6.5 - _December 23, 2020_
 
     * Dependencies updated

contracts/utils/contracts/src/v06/LibSafeMathV06.sol

@@ -187,4 +187,18 @@ library LibSafeMathV06 {
     {
         return a < b ? a : b;
     }
+
+    function safeDowncastToUint128(uint256 a)
+        internal
+        pure
+        returns (uint128)
+    {
+        if (a > type(uint128).max) {
+            LibRichErrorsV06.rrevert(LibSafeMathRichErrorsV06.Uint256DowncastError(
+                LibSafeMathRichErrorsV06.DowncastErrorCodes.VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT128,
+                a
+            ));
+        }
+        return uint128(a);
+    }
 }

contracts/utils/contracts/src/v06/errors/LibSafeMathRichErrorsV06.sol

@@ -39,7 +39,8 @@ library LibSafeMathRichErrorsV06 {
     enum DowncastErrorCodes {
         VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT32,
         VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT64,
-        VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT96
+        VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT96,
+        VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT128
     }
 
     // solhint-disable func-name-mixedcase

contracts/utils/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-utils",
-    "version": "4.6.5",
+    "version": "4.7.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -52,9 +52,9 @@
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
         "@0x/dev-utils": "^4.1.3",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",

contracts/zero-ex/CHANGELOG.json

@@ -1,4 +1,14 @@
 [
+    {
+        "version": "0.17.0",
+        "changes": [
+            {
+                "note": "Add DevUtils-like functions to `NativeOrdersFeature`",
+                "pr": 97
+            }
+        ],
+        "timestamp": 1609802516
+    },
     {
         "version": "0.16.0",
         "changes": [

contracts/zero-ex/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.17.0 - _January 4, 2021_
+
+    * Add DevUtils-like functions to `NativeOrdersFeature` (#97)
+
 ## v0.16.0 - _December 23, 2020_
 
     * Fix CryptoCom rollup

contracts/zero-ex/contracts/src/features/INativeOrdersFeature.sol

@@ -346,4 +346,81 @@ interface INativeOrdersFeature {
         view
         returns (uint32 multiplier);
 
+    /// @dev Get order info, fillable amount, and signature validity for a limit order.
+    ///      Fillable amount is determined using balances and allowances of the maker.
+    /// @param order The limit order.
+    /// @param signature The order signature.
+    /// @return orderInfo Info about the order.
+    /// @return actualFillableTakerTokenAmount How much of the order is fillable
+    ///         based on maker funds, in taker tokens.
+    /// @return isSignatureValid Whether the signature is valid.
+    function getLimitOrderRelevantState(
+        LibNativeOrder.LimitOrder calldata order,
+        LibSignature.Signature calldata signature
+    )
+        external
+        view
+        returns (
+            LibNativeOrder.OrderInfo memory orderInfo,
+            uint128 actualFillableTakerTokenAmount,
+            bool isSignatureValid
+        );
+
+    /// @dev Get order info, fillable amount, and signature validity for an RFQ order.
+    ///      Fillable amount is determined using balances and allowances of the maker.
+    /// @param order The RFQ order.
+    /// @param signature The order signature.
+    /// @return orderInfo Info about the order.
+    /// @return actualFillableTakerTokenAmount How much of the order is fillable
+    ///         based on maker funds, in taker tokens.
+    /// @return isSignatureValid Whether the signature is valid.
+    function getRfqOrderRelevantState(
+        LibNativeOrder.RfqOrder calldata order,
+        LibSignature.Signature calldata signature
+    )
+        external
+        view
+        returns (
+            LibNativeOrder.OrderInfo memory orderInfo,
+            uint128 actualFillableTakerTokenAmount,
+            bool isSignatureValid
+        );
+
+    /// @dev Batch version of `getLimitOrderRelevantState()`.
+    /// @param orders The limit orders.
+    /// @param signatures The order signatures.
+    /// @return orderInfos Info about the orders.
+    /// @return actualFillableTakerTokenAmounts How much of each order is fillable
+    ///         based on maker funds, in taker tokens.
+    /// @return isSignatureValids Whether each signature is valid for the order.
+    function batchGetLimitOrderRelevantStates(
+        LibNativeOrder.LimitOrder[] calldata orders,
+        LibSignature.Signature[] calldata signatures
+    )
+        external
+        view
+        returns (
+            LibNativeOrder.OrderInfo[] memory orderInfos,
+            uint128[] memory actualFillableTakerTokenAmounts,
+            bool[] memory isSignatureValids
+        );
+
+    /// @dev Batch version of `getRfqOrderRelevantState()`.
+    /// @param orders The RFQ orders.
+    /// @param signatures The order signatures.
+    /// @return orderInfos Info about the orders.
+    /// @return actualFillableTakerTokenAmounts How much of each order is fillable
+    ///         based on maker funds, in taker tokens.
+    /// @return isSignatureValids Whether each signature is valid for the order.
+    function batchGetRfqOrderRelevantStates(
+        LibNativeOrder.RfqOrder[] calldata orders,
+        LibSignature.Signature[] calldata signatures
+    )
+        external
+        view
+        returns (
+            LibNativeOrder.OrderInfo[] memory orderInfos,
+            uint128[] memory actualFillableTakerTokenAmounts,
+            bool[] memory isSignatureValids
+        );
 }

contracts/zero-ex/contracts/src/features/NativeOrdersFeature.sol

@@ -51,6 +51,7 @@ contract NativeOrdersFeature is
     using LibSafeMathV06 for uint256;
     using LibSafeMathV06 for uint128;
     using LibRichErrorsV06 for bytes;
+    using LibERC20TokenV06 for IERC20TokenV06;
 
     /// @dev Params for `_settleOrder()`.
     struct SettleOrderInfo {
@@ -97,6 +98,15 @@ contract NativeOrdersFeature is
         uint128 takerTokenFeeFilledAmount;
     }
 
+    // @dev Params for `_getActualFillableTakerTokenAmount()`.
+    struct GetActualFillableTakerTokenAmountParams {
+        address maker;
+        IERC20TokenV06 makerToken;
+        uint128 orderMakerAmount;
+        uint128 orderTakerAmount;
+        LibNativeOrder.OrderInfo orderInfo;
+    }
+
     /// @dev Name of this feature.
     string public constant override FEATURE_NAME = "LimitOrders";
     /// @dev Version of this feature.
@@ -148,6 +158,10 @@ contract NativeOrdersFeature is
         _registerFeatureFunction(this.getRfqOrderHash.selector);
         _registerFeatureFunction(this.getProtocolFeeMultiplier.selector);
         _registerFeatureFunction(this.registerAllowedRfqOrigins.selector);
+        _registerFeatureFunction(this.getLimitOrderRelevantState.selector);
+        _registerFeatureFunction(this.getRfqOrderRelevantState.selector);
+        _registerFeatureFunction(this.batchGetLimitOrderRelevantStates.selector);
+        _registerFeatureFunction(this.batchGetRfqOrderRelevantStates.selector);
         return LibMigrate.MIGRATE_SUCCESS;
     }
 
@@ -687,6 +701,148 @@ contract NativeOrdersFeature is
         );
     }
 
+    /// @dev Get order info, fillable amount, and signature validity for a limit order.
+    ///      Fillable amount is determined using balances and allowances of the maker.
+    /// @param order The limit order.
+    /// @param signature The order signature.
+    /// @return orderInfo Info about the order.
+    /// @return actualFillableTakerTokenAmount How much of the order is fillable
+    ///         based on maker funds, in taker tokens.
+    /// @return isSignatureValid Whether the signature is valid.
+    function getLimitOrderRelevantState(
+        LibNativeOrder.LimitOrder memory order,
+        LibSignature.Signature calldata signature
+    )
+        public
+        override
+        view
+        returns (
+            LibNativeOrder.OrderInfo memory orderInfo,
+            uint128 actualFillableTakerTokenAmount,
+            bool isSignatureValid
+        )
+    {
+        orderInfo = getLimitOrderInfo(order);
+        actualFillableTakerTokenAmount = _getActualFillableTakerTokenAmount(
+            GetActualFillableTakerTokenAmountParams({
+                maker: order.maker,
+                makerToken: order.makerToken,
+                orderMakerAmount: order.makerAmount,
+                orderTakerAmount: order.takerAmount,
+                orderInfo: orderInfo
+            })
+        );
+        isSignatureValid = order.maker ==
+            LibSignature.getSignerOfHash(orderInfo.orderHash, signature);
+    }
+
+    /// @dev Get order info, fillable amount, and signature validity for an RFQ order.
+    ///      Fillable amount is determined using balances and allowances of the maker.
+    /// @param order The RFQ order.
+    /// @param signature The order signature.
+    /// @return orderInfo Info about the order.
+    /// @return actualFillableTakerTokenAmount How much of the order is fillable
+    ///         based on maker funds, in taker tokens.
+    /// @return isSignatureValid Whether the signature is valid.
+    function getRfqOrderRelevantState(
+        LibNativeOrder.RfqOrder memory order,
+        LibSignature.Signature memory signature
+    )
+        public
+        override
+        view
+        returns (
+            LibNativeOrder.OrderInfo memory orderInfo,
+            uint128 actualFillableTakerTokenAmount,
+            bool isSignatureValid
+        )
+    {
+        orderInfo = getRfqOrderInfo(order);
+        actualFillableTakerTokenAmount = _getActualFillableTakerTokenAmount(
+            GetActualFillableTakerTokenAmountParams({
+                maker: order.maker,
+                makerToken: order.makerToken,
+                orderMakerAmount: order.makerAmount,
+                orderTakerAmount: order.takerAmount,
+                orderInfo: orderInfo
+            })
+        );
+        isSignatureValid = order.maker ==
+            LibSignature.getSignerOfHash(orderInfo.orderHash, signature);
+    }
+
+    /// @dev Batch version of `getLimitOrderRelevantState()`.
+    /// @param orders The limit orders.
+    /// @param signatures The order signatures.
+    /// @return orderInfos Info about the orders.
+    /// @return actualFillableTakerTokenAmounts How much of each order is fillable
+    ///         based on maker funds, in taker tokens.
+    /// @return isSignatureValids Whether each signature is valid for the order.
+    function batchGetLimitOrderRelevantStates(
+        LibNativeOrder.LimitOrder[] calldata orders,
+        LibSignature.Signature[] calldata signatures
+    )
+        external
+        override
+        view
+        returns (
+            LibNativeOrder.OrderInfo[] memory orderInfos,
+            uint128[] memory actualFillableTakerTokenAmounts,
+            bool[] memory isSignatureValids
+        )
+    {
+        require(
+            orders.length == signatures.length,
+            "NativeOrdersFeature/MISMATCHED_ARRAY_LENGTHS"
+        );
+        orderInfos = new LibNativeOrder.OrderInfo[](orders.length);
+        actualFillableTakerTokenAmounts = new uint128[](orders.length);
+        isSignatureValids = new bool[](orders.length);
+        for (uint256 i = 0; i < orders.length; ++i) {
+            (
+                orderInfos[i],
+                actualFillableTakerTokenAmounts[i],
+                isSignatureValids[i]
+            ) = getLimitOrderRelevantState(orders[i], signatures[i]);
+        }
+    }
+
+    /// @dev Batch version of `getRfqOrderRelevantState()`.
+    /// @param orders The RFQ orders.
+    /// @param signatures The order signatures.
+    /// @return orderInfos Info about the orders.
+    /// @return actualFillableTakerTokenAmounts How much of each order is fillable
+    ///         based on maker funds, in taker tokens.
+    /// @return isSignatureValids Whether each signature is valid for the order.
+    function batchGetRfqOrderRelevantStates(
+        LibNativeOrder.RfqOrder[] calldata orders,
+        LibSignature.Signature[] calldata signatures
+    )
+        external
+        override
+        view
+        returns (
+            LibNativeOrder.OrderInfo[] memory orderInfos,
+            uint128[] memory actualFillableTakerTokenAmounts,
+            bool[] memory isSignatureValids
+        )
+    {
+        require(
+            orders.length == signatures.length,
+            "NativeOrdersFeature/MISMATCHED_ARRAY_LENGTHS"
+        );
+        orderInfos = new LibNativeOrder.OrderInfo[](orders.length);
+        actualFillableTakerTokenAmounts = new uint128[](orders.length);
+        isSignatureValids = new bool[](orders.length);
+        for (uint256 i = 0; i < orders.length; ++i) {
+            (
+                orderInfos[i],
+                actualFillableTakerTokenAmounts[i],
+                isSignatureValids[i]
+            ) = getRfqOrderRelevantState(orders[i], signatures[i]);
+        }
+    }
+
     /// @dev Get the protocol fee multiplier. This should be multiplied by the
     ///      gas price to arrive at the required protocol fee to fill a native order.
     /// @return multiplier The protocol fee multiplier.
@@ -751,6 +907,48 @@ contract NativeOrdersFeature is
         orderInfo.status = LibNativeOrder.OrderStatus.FILLABLE;
     }
 
+    /// @dev Calculate the actual fillable taker token amount of an order
+    ///      based on maker allowance and balances.
+    function _getActualFillableTakerTokenAmount(
+        GetActualFillableTakerTokenAmountParams memory params
+    )
+        private
+        view
+        returns (uint128 actualFillableTakerTokenAmount)
+    {
+        if (params.orderMakerAmount == 0 || params.orderTakerAmount == 0) {
+            // Empty order.
+            return 0;
+        }
+        if (params.orderInfo.status != LibNativeOrder.OrderStatus.FILLABLE) {
+            // Not fillable.
+            return 0;
+        }
+
+        // Get the fillable maker amount based on the order quantities and
+        // previously filled amount
+        uint256 fillableMakerTokenAmount = LibMathV06.getPartialAmountFloor(
+            uint256(
+                params.orderTakerAmount
+                - params.orderInfo.takerTokenFilledAmount
+            ),
+            uint256(params.orderTakerAmount),
+            uint256(params.orderMakerAmount)
+        );
+        // Clamp it to the amount of maker tokens we can spend on behalf of the
+        // maker.
+        fillableMakerTokenAmount = LibSafeMathV06.min256(
+            fillableMakerTokenAmount,
+            _getSpendableERC20BalanceOf(params.makerToken, params.maker)
+        );
+        // Convert to taker token amount.
+        return LibMathV06.getPartialAmountCeil(
+            fillableMakerTokenAmount,
+            uint256(params.orderMakerAmount),
+            uint256(params.orderTakerAmount)
+        ).safeDowncastToUint128();
+    }
+
     /// @dev Cancel a limit or RFQ order directly by its order hash.
     /// @param orderHash The order's order hash.
     /// @param maker The order's maker.

contracts/zero-ex/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-zero-ex",
-    "version": "0.16.0",
+    "version": "0.17.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -57,11 +57,11 @@
     "devDependencies": {
         "@0x/abi-gen": "^5.4.13",
         "@0x/contract-addresses": "^5.8.0",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
         "@0x/dev-utils": "^4.1.3",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
@@ -83,7 +83,7 @@
     },
     "dependencies": {
         "@0x/base-contract": "^6.2.14",
-        "@0x/protocol-utils": "^1.1.2",
+        "@0x/protocol-utils": "^1.1.3",
         "@0x/subproviders": "^6.2.3",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",

contracts/zero-ex/test/features/native_orders_feature_test.ts

@@ -1366,14 +1366,332 @@ blockchainTests.resets('NativeOrdersFeature', env => {
         });
     });
 
-    it.skip('RFQ gas benchmark', async () => {
+    async function fundOrderMakerAsync(
-        const orders = [...new Array(2)].map(() =>
+        order: LimitOrder | RfqOrder,
-            getTestRfqOrder({ pool: '0x0000000000000000000000000000000000000000000000000000000000000000' }),
+        balance: BigNumber = order.makerAmount,
-        );
+        allowance: BigNumber = order.makerAmount,
-        // Fill one to warm up the fee pool.
+    ): Promise<void> {
-        await fillRfqOrderAsync(orders[0]);
+        await makerToken.burn(maker, await makerToken.balanceOf(maker).callAsync()).awaitTransactionSuccessAsync();
-        const receipt = await fillRfqOrderAsync(orders[1]);
+        await makerToken.mint(maker, balance).awaitTransactionSuccessAsync();
-        // tslint:disable-next-line: no-console
+        await makerToken.approve(zeroEx.address, allowance).awaitTransactionSuccessAsync({ from: maker });
-        console.log(receipt.gasUsed);
+    }
+
+    function getFillableMakerTokenAmount(
+        order: LimitOrder | RfqOrder,
+        takerTokenFilledAmount: BigNumber = ZERO_AMOUNT,
+    ): BigNumber {
+        return order.takerAmount
+            .minus(takerTokenFilledAmount)
+            .times(order.makerAmount)
+            .div(order.takerAmount)
+            .integerValue(BigNumber.ROUND_DOWN);
+    }
+
+    function getActualFillableTakerTokenAmount(
+        order: LimitOrder | RfqOrder,
+        makerBalance: BigNumber = order.makerAmount,
+        makerAllowance: BigNumber = order.makerAmount,
+        takerTokenFilledAmount: BigNumber = ZERO_AMOUNT,
+    ): BigNumber {
+        const fillableMakerTokenAmount = getFillableMakerTokenAmount(order, takerTokenFilledAmount);
+        return BigNumber.min(fillableMakerTokenAmount, makerBalance, makerAllowance)
+            .times(order.takerAmount)
+            .div(order.makerAmount)
+            .integerValue(BigNumber.ROUND_UP);
+    }
+
+    function getRandomFraction(precision: number = 2): string {
+        return Math.random().toPrecision(precision);
+    }
+
+    describe('getLimitOrderRelevantState()', () => {
+        it('works with an empty order', async () => {
+            const order = getTestLimitOrder({
+                takerAmount: ZERO_AMOUNT,
+            });
+            await fundOrderMakerAsync(order);
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getLimitOrderRelevantState(order, await order.getSignatureWithProviderAsync(env.provider))
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Filled,
+                takerTokenFilledAmount: ZERO_AMOUNT,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(0);
+            expect(isSignatureValid).to.eq(true);
+        });
+
+        it('works with cancelled order', async () => {
+            const order = getTestLimitOrder();
+            await fundOrderMakerAsync(order);
+            await zeroEx.cancelLimitOrder(order).awaitTransactionSuccessAsync({ from: maker });
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getLimitOrderRelevantState(order, await order.getSignatureWithProviderAsync(env.provider))
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Cancelled,
+                takerTokenFilledAmount: ZERO_AMOUNT,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(0);
+            expect(isSignatureValid).to.eq(true);
+        });
+
+        it('works with a bad signature', async () => {
+            const order = getTestLimitOrder();
+            await fundOrderMakerAsync(order);
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getLimitOrderRelevantState(
+                    order,
+                    await order.clone({ maker: notMaker }).getSignatureWithProviderAsync(env.provider),
+                )
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Fillable,
+                takerTokenFilledAmount: ZERO_AMOUNT,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(order.takerAmount);
+            expect(isSignatureValid).to.eq(false);
+        });
+
+        it('works with an unfilled order', async () => {
+            const order = getTestLimitOrder();
+            await fundOrderMakerAsync(order);
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getLimitOrderRelevantState(order, await order.getSignatureWithProviderAsync(env.provider))
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Fillable,
+                takerTokenFilledAmount: ZERO_AMOUNT,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(order.takerAmount);
+            expect(isSignatureValid).to.eq(true);
+        });
+
+        it('works with a fully filled order', async () => {
+            const order = getTestLimitOrder();
+            // Fully Fund maker and taker.
+            await fundOrderMakerAsync(order);
+            await takerToken
+                .mint(taker, order.takerAmount.plus(order.takerTokenFeeAmount))
+                .awaitTransactionSuccessAsync();
+            await fillLimitOrderAsync(order);
+            // Partially fill the order.
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getLimitOrderRelevantState(order, await order.getSignatureWithProviderAsync(env.provider))
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Filled,
+                takerTokenFilledAmount: order.takerAmount,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(0);
+            expect(isSignatureValid).to.eq(true);
+        });
+
+        it('works with an under-funded, partially-filled order', async () => {
+            const order = getTestLimitOrder();
+            // Fully Fund maker and taker.
+            await fundOrderMakerAsync(order);
+            await takerToken
+                .mint(taker, order.takerAmount.plus(order.takerTokenFeeAmount))
+                .awaitTransactionSuccessAsync();
+            // Partially fill the order.
+            const fillAmount = order.takerAmount.times(getRandomFraction()).integerValue();
+            await fillLimitOrderAsync(order, { fillAmount });
+            // Reduce maker funds to be < remaining.
+            const remainingMakerAmount = getFillableMakerTokenAmount(order, fillAmount);
+            const balance = remainingMakerAmount.times(getRandomFraction()).integerValue();
+            const allowance = remainingMakerAmount.times(getRandomFraction()).integerValue();
+            await fundOrderMakerAsync(order, balance, allowance);
+            // Get order state.
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getLimitOrderRelevantState(order, await order.getSignatureWithProviderAsync(env.provider))
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Fillable,
+                takerTokenFilledAmount: fillAmount,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(
+                getActualFillableTakerTokenAmount(order, balance, allowance, fillAmount),
+            );
+            expect(isSignatureValid).to.eq(true);
+        });
+    });
+
+    describe('getRfqOrderRelevantState()', () => {
+        it('works with an empty order', async () => {
+            const order = getTestRfqOrder({
+                takerAmount: ZERO_AMOUNT,
+            });
+            await fundOrderMakerAsync(order);
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getRfqOrderRelevantState(order, await order.getSignatureWithProviderAsync(env.provider))
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Filled,
+                takerTokenFilledAmount: ZERO_AMOUNT,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(0);
+            expect(isSignatureValid).to.eq(true);
+        });
+
+        it('works with cancelled order', async () => {
+            const order = getTestRfqOrder();
+            await fundOrderMakerAsync(order);
+            await zeroEx.cancelRfqOrder(order).awaitTransactionSuccessAsync({ from: maker });
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getRfqOrderRelevantState(order, await order.getSignatureWithProviderAsync(env.provider))
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Cancelled,
+                takerTokenFilledAmount: ZERO_AMOUNT,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(0);
+            expect(isSignatureValid).to.eq(true);
+        });
+
+        it('works with a bad signature', async () => {
+            const order = getTestRfqOrder();
+            await fundOrderMakerAsync(order);
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getRfqOrderRelevantState(
+                    order,
+                    await order.clone({ maker: notMaker }).getSignatureWithProviderAsync(env.provider),
+                )
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Fillable,
+                takerTokenFilledAmount: ZERO_AMOUNT,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(order.takerAmount);
+            expect(isSignatureValid).to.eq(false);
+        });
+
+        it('works with an unfilled order', async () => {
+            const order = getTestRfqOrder();
+            await fundOrderMakerAsync(order);
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getRfqOrderRelevantState(order, await order.getSignatureWithProviderAsync(env.provider))
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Fillable,
+                takerTokenFilledAmount: ZERO_AMOUNT,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(order.takerAmount);
+            expect(isSignatureValid).to.eq(true);
+        });
+
+        it('works with a fully filled order', async () => {
+            const order = getTestRfqOrder();
+            // Fully Fund maker and taker.
+            await fundOrderMakerAsync(order);
+            await takerToken.mint(taker, order.takerAmount);
+            await fillRfqOrderAsync(order);
+            // Partially fill the order.
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getRfqOrderRelevantState(order, await order.getSignatureWithProviderAsync(env.provider))
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Filled,
+                takerTokenFilledAmount: order.takerAmount,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(0);
+            expect(isSignatureValid).to.eq(true);
+        });
+
+        it('works with an under-funded, partially-filled order', async () => {
+            const order = getTestRfqOrder();
+            // Fully Fund maker and taker.
+            await fundOrderMakerAsync(order);
+            await takerToken.mint(taker, order.takerAmount).awaitTransactionSuccessAsync();
+            // Partially fill the order.
+            const fillAmount = order.takerAmount.times(getRandomFraction()).integerValue();
+            await fillRfqOrderAsync(order, fillAmount);
+            // Reduce maker funds to be < remaining.
+            const remainingMakerAmount = getFillableMakerTokenAmount(order, fillAmount);
+            const balance = remainingMakerAmount.times(getRandomFraction()).integerValue();
+            const allowance = remainingMakerAmount.times(getRandomFraction()).integerValue();
+            await fundOrderMakerAsync(order, balance, allowance);
+            // Get order state.
+            const [orderInfo, fillableTakerAmount, isSignatureValid] = await zeroEx
+                .getRfqOrderRelevantState(order, await order.getSignatureWithProviderAsync(env.provider))
+                .callAsync();
+            expect(orderInfo).to.deep.eq({
+                orderHash: order.getHash(),
+                status: OrderStatus.Fillable,
+                takerTokenFilledAmount: fillAmount,
+            });
+            expect(fillableTakerAmount).to.bignumber.eq(
+                getActualFillableTakerTokenAmount(order, balance, allowance, fillAmount),
+            );
+            expect(isSignatureValid).to.eq(true);
+        });
+    });
+
+    async function batchFundOrderMakerAsync(orders: Array<LimitOrder | RfqOrder>): Promise<void> {
+        await makerToken.burn(maker, await makerToken.balanceOf(maker).callAsync()).awaitTransactionSuccessAsync();
+        const balance = BigNumber.sum(...orders.map(o => o.makerAmount));
+        await makerToken.mint(maker, balance).awaitTransactionSuccessAsync();
+        await makerToken.approve(zeroEx.address, balance).awaitTransactionSuccessAsync({ from: maker });
+    }
+
+    describe('batchGetLimitOrderRelevantStates()', () => {
+        it('works with multiple orders', async () => {
+            const orders = new Array(3).fill(0).map(() => getTestLimitOrder());
+            await batchFundOrderMakerAsync(orders);
+            const [orderInfos, fillableTakerAmounts, isSignatureValids] = await zeroEx
+                .batchGetLimitOrderRelevantStates(
+                    orders,
+                    await Promise.all(orders.map(async o => o.getSignatureWithProviderAsync(env.provider))),
+                )
+                .callAsync();
+            expect(orderInfos).to.be.length(orders.length);
+            expect(fillableTakerAmounts).to.be.length(orders.length);
+            expect(isSignatureValids).to.be.length(orders.length);
+            for (let i = 0; i < orders.length; ++i) {
+                expect(orderInfos[i]).to.deep.eq({
+                    orderHash: orders[i].getHash(),
+                    status: OrderStatus.Fillable,
+                    takerTokenFilledAmount: ZERO_AMOUNT,
+                });
+                expect(fillableTakerAmounts[i]).to.bignumber.eq(orders[i].takerAmount);
+                expect(isSignatureValids[i]).to.eq(true);
+            }
+        });
+    });
+
+    describe('batchGetRfqOrderRelevantStates()', () => {
+        it('works with multiple orders', async () => {
+            const orders = new Array(3).fill(0).map(() => getTestRfqOrder());
+            await batchFundOrderMakerAsync(orders);
+            const [orderInfos, fillableTakerAmounts, isSignatureValids] = await zeroEx
+                .batchGetRfqOrderRelevantStates(
+                    orders,
+                    await Promise.all(orders.map(async o => o.getSignatureWithProviderAsync(env.provider))),
+                )
+                .callAsync();
+            expect(orderInfos).to.be.length(orders.length);
+            expect(fillableTakerAmounts).to.be.length(orders.length);
+            expect(isSignatureValids).to.be.length(orders.length);
+            for (let i = 0; i < orders.length; ++i) {
+                expect(orderInfos[i]).to.deep.eq({
+                    orderHash: orders[i].getHash(),
+                    status: OrderStatus.Fillable,
+                    takerTokenFilledAmount: ZERO_AMOUNT,
+                });
+                expect(fillableTakerAmounts[i]).to.bignumber.eq(orders[i].takerAmount);
+                expect(isSignatureValids[i]).to.eq(true);
+            }
+        });
     });
 });

packages/asset-swapper/CHANGELOG.json

@@ -1,4 +1,32 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "5.6.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "version": "5.6.1",
+        "changes": [
+            {
+                "note": "Fix fillAmount `ExchangeProxySwapQuoteConsumer` encoding when quote is a BuyQuote"
+            }
+        ],
+        "timestamp": 1609387311
+    },
+    {
+        "version": "5.6.0",
+        "changes": [
+            {
+                "note": "Added Mooniswap V2 factory address",
+                "pr": 100
+            }
+        ],
+        "timestamp": 1609113560
+    },
     {
         "timestamp": 1608692071,
         "version": "5.5.3",

packages/asset-swapper/CHANGELOG.md

@@ -5,6 +5,18 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v5.6.2 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v5.6.1 - _December 31, 2020_
+
+    * Fix fillAmount `ExchangeProxySwapQuoteConsumer` encoding when quote is a BuyQuote
+
+## v5.6.0 - _December 27, 2020_
+
+    * Added Mooniswap V2 factory address (#100)
+
 ## v5.5.3 - _December 23, 2020_
 
     * Dependencies updated

packages/asset-swapper/contracts/src/MooniswapSampler.sol

@@ -34,6 +34,7 @@ contract MooniswapSampler is
     uint256 constant private MOONISWAP_CALL_GAS = 150e3; // 150k
 
     /// @dev Sample sell quotes from Mooniswap.
+    /// @param registry Address of the Mooniswap Registry.
     /// @param takerToken Address of the taker token (what to sell).
     /// @param makerToken Address of the maker token (what to buy).
     /// @param takerTokenAmounts Taker token sell amount for each sample.
@@ -41,6 +42,7 @@ contract MooniswapSampler is
     /// @return makerTokenAmounts Maker amounts bought at each taker token
     ///         amount.
     function sampleSellsFromMooniswap(
+        address registry,
         address takerToken,
         address makerToken,
         uint256[] memory takerTokenAmounts
@@ -58,6 +60,7 @@ contract MooniswapSampler is
 
         for (uint256 i = 0; i < numSamples; i++) {
             uint256 buyAmount = sampleSingleSellFromMooniswapPool(
+                registry,
                 mooniswapTakerToken,
                 mooniswapMakerToken,
                 takerTokenAmounts[i]
@@ -70,11 +73,12 @@ contract MooniswapSampler is
         }
 
         pool = IMooniswap(
-            IMooniswapRegistry(_getMooniswapAddress()).pools(mooniswapTakerToken, mooniswapMakerToken)
+            IMooniswapRegistry(registry).pools(mooniswapTakerToken, mooniswapMakerToken)
         );
     }
 
     function sampleSingleSellFromMooniswapPool(
+        address registry,
         address mooniswapTakerToken,
         address mooniswapMakerToken,
         uint256 takerTokenAmount
@@ -85,7 +89,7 @@ contract MooniswapSampler is
     {
         // Find the pool for the pair.
         IMooniswap pool = IMooniswap(
-            IMooniswapRegistry(_getMooniswapAddress()).pools(mooniswapTakerToken, mooniswapMakerToken)
+            IMooniswapRegistry(registry).pools(mooniswapTakerToken, mooniswapMakerToken)
         );
         // If there is no pool then return early
         if (address(pool) == address(0)) {
@@ -113,6 +117,7 @@ contract MooniswapSampler is
     }
 
     /// @dev Sample buy quotes from Mooniswap.
+    /// @param registry Address of the Mooniswap Registry.
     /// @param takerToken Address of the taker token (what to sell).
     /// @param makerToken Address of the maker token (what to buy).
     /// @param makerTokenAmounts Maker token sell amount for each sample.
@@ -120,6 +125,7 @@ contract MooniswapSampler is
     /// @return takerTokenAmounts Taker amounts sold at each maker token
     ///         amount.
     function sampleBuysFromMooniswap(
+        address registry,
         address takerToken,
         address makerToken,
         uint256[] memory makerTokenAmounts
@@ -137,15 +143,15 @@ contract MooniswapSampler is
 
         takerTokenAmounts = _sampleApproximateBuys(
             ApproximateBuyQuoteOpts({
-                makerTokenData: abi.encode(mooniswapMakerToken),
+                makerTokenData: abi.encode(registry, mooniswapMakerToken),
-                takerTokenData: abi.encode(mooniswapTakerToken),
+                takerTokenData: abi.encode(registry, mooniswapTakerToken),
                 getSellQuoteCallback: _sampleSellForApproximateBuyFromMooniswap
             }),
             makerTokenAmounts
         );
 
         pool = IMooniswap(
-            IMooniswapRegistry(_getMooniswapAddress()).pools(mooniswapTakerToken, mooniswapMakerToken)
+            IMooniswapRegistry(registry).pools(mooniswapTakerToken, mooniswapMakerToken)
         );
     }
 
@@ -158,9 +164,10 @@ contract MooniswapSampler is
         view
         returns (uint256 buyAmount)
     {
-        address mooniswapTakerToken = abi.decode(takerTokenData, (address));
+        (address registry, address mooniswapTakerToken) = abi.decode(takerTokenData, (address, address));
-        address mooniswapMakerToken = abi.decode(makerTokenData, (address));
+        (address _registry, address mooniswapMakerToken) = abi.decode(makerTokenData, (address, address));
         return sampleSingleSellFromMooniswapPool(
+            registry,
             mooniswapTakerToken,
             mooniswapMakerToken,
             sellAmount

packages/asset-swapper/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/asset-swapper",
-    "version": "5.5.3",
+    "version": "5.6.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -60,10 +60,10 @@
         "@0x/assert": "^3.0.19",
         "@0x/base-contract": "^6.2.14",
         "@0x/contract-addresses": "^5.8.0",
-        "@0x/contract-wrappers": "^13.11.2",
+        "@0x/contract-wrappers": "^13.12.0",
         "@0x/dev-utils": "^4.1.3",
         "@0x/json-schemas": "^5.3.4",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/orderbook": "0xProject/gitpkg-registry#0x-orderbook-v2.2.7-e10a81023",
         "@0x/quote-server": "^3.1.0",
         "@0x/types": "^3.3.1",
@@ -87,16 +87,16 @@
     },
     "devDependencies": {
         "@0x/base-contract": "^6.2.14",
-        "@0x/contracts-asset-proxy": "^3.7.2",
+        "@0x/contracts-asset-proxy": "^3.7.3",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
-        "@0x/contracts-exchange": "^3.2.21",
+        "@0x/contracts-exchange": "^3.2.22",
-        "@0x/contracts-exchange-libs": "^4.3.20",
+        "@0x/contracts-exchange-libs": "^4.3.21",
         "@0x/contracts-gen": "^2.0.24",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
-        "@0x/contracts-zero-ex": "^0.16.0",
+        "@0x/contracts-zero-ex": "^0.17.0",
         "@0x/mesh-rpc-client": "^9.4.2",
-        "@0x/migrations": "^6.5.8",
+        "@0x/migrations": "^6.5.9",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/subproviders": "^6.2.3",
         "@0x/ts-doc-gen": "^0.0.28",

packages/asset-swapper/src/quote_consumers/exchange_proxy_swap_quote_consumer.ts

@@ -205,7 +205,7 @@ export class ExchangeProxySwapQuoteConsumer implements SwapQuoteConsumerBase {
                     buyToken,
                     refundReceiver: refundReceiver || NULL_ADDRESS,
                     side: isBuyQuote(quote) ? FillQuoteTransformerSide.Buy : FillQuoteTransformerSide.Sell,
-                    fillAmount: shouldSellEntireBalance ? MAX_UINT256 : fillAmount,
+                    fillAmount: !isBuyQuote(quote) && shouldSellEntireBalance ? MAX_UINT256 : fillAmount,
                     maxOrderFillAmounts: [],
                     rfqtTakerAddress: NULL_ADDRESS,
                     orders: quote.orders,

packages/asset-swapper/src/utils/market_operation_utils/constants.ts

@@ -105,36 +105,55 @@ export const TOKENS = {
     HUSD: '0xdf574c24545e5ffecb9a659c229253d4111d87e1',
     mUSD: '0xe2f2a5c287993345a840db3b0845fbc70f5935a5',
     USDN: '0x674c6ad92fd080e4004b2312b45f796a192d27a0',
+    dUSD: '0x5bc25f649fc4e26069ddf4cf4010f9f706c23831',
+    UST: '0xa47c8bf37f92abed4a126bda807a7b7498661acd',
     // Bitcoins
     WBTC: '0x2260fac5e5542a773aa44fbcfedf7c193bc2c599',
     RenBTC: '0xeb4c2781e4eba804ce9a9803c67d0893436bb27d',
     sBTC: '0xfe18be6b3bd88a2d2a7f928d00292e7a9963cfc6',
     tBTC: '0x8daebade922df735c38c80c7ebd708af50815faa',
     hBTC: '0x0316eb71485b0ab14103307bf65a021042c6d380',
+    pBTC: '0xde5331ac4b3630f94853ff322b66407e0d6331e8',
+    bBTC: '0x9be89d2a4cd102d8fecc6bf9da793be995c22541',
+    oBTC: '0x8064d9ae6cdf087b1bcd5bdf3531bd5d8c537a68',
+    // aTokens (Aave)
+    aDAI: '0x028171bca77440897b824ca71d1c56cac55b68a3',
+    aUSDC: '0xbcca60bb61934080951369a648fb03df4f96263c',
+    aUSDT: '0x3ed3b47dd13ec9a98b44e6204a523e766b225811',
     // Other
     MKR: '0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2',
+    EURS: '0xdb25f211ab05b1c97d595516f45794528a807ad8',
+    sEUR: '0xd71ecff9342a5ced620049e616c5035f1db98620',
+    sETH: '0x5e74c9036fb86bd7ecdcb084a0673efc32ea31cb',
 };
 
 export const POOLS = {
-    // following the same order in curve.fi:
+    curve_compound: '0xa2b47e3d5c44877cca798226b7b8118f9bfb7a56', // 0.Compound
-    curve_compound: '0xa2b47e3d5c44877cca798226b7b8118f9bfb7a56',
+    // 1.USDT is dead
-    // curve_USDT: '0x52ea46506b9cc5ef470c5bf89f17dc28bb35d85c',
+    curve_PAX: '0x06364f10b501e868329afbc005b3492902d6c763', // 2.PAX
-    curve_PAX: '0x06364f10b501e868329afbc005b3492902d6c763',
+    curve_y: '0x45f783cce6b7ff23b2ab2d70e416cdb7d6055f51', // 3.Y
-    curve_y: '0x45f783cce6b7ff23b2ab2d70e416cdb7d6055f51',
+    curve_BUSD: '0x79a8c46dea5ada233abaffd40f3a0a2b1e5a4f27', // 4.BUSD
-    curve_BUSD: '0x79a8c46dea5ada233abaffd40f3a0a2b1e5a4f27',
+    curve_sUSD: '0xa5407eae9ba41422680e2e00537571bcc53efbfd', // 5.sUSD
-    curve_sUSD: '0xa5407eae9ba41422680e2e00537571bcc53efbfd',
+    curve_renBTC: '0x93054188d876f558f4a66b2ef1d97d16edf0895b', // 6.ren
-    curve_renBTC: '0x93054188d876f558f4a66b2ef1d97d16edf0895b',
+    curve_sBTC: '0x7fc77b5c7614e1533320ea6ddc2eb61fa00a9714', // 7.sbtc
-    curve_sBTC: '0x7fc77b5c7614e1533320ea6ddc2eb61fa00a9714',
+    curve_HBTC: '0x4ca9b3063ec5866a4b82e437059d2c43d1be596f', // 8.hbtc
-    curve_HBTC: '0x4ca9b3063ec5866a4b82e437059d2c43d1be596f',
+    curve_TRI: '0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7', // 9.3pool
-    curve_TRI: '0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7',
+    curve_GUSD: '0x4f062658eaaf2c1ccf8c8e36d6824cdf41167956', // 10.gusd
-    curve_GUSD: '0x4f062658eaaf2c1ccf8c8e36d6824cdf41167956',
+    curve_HUSD: '0x3ef6a01a0f81d6046290f3e2a8c5b843e738e604', // 11.husd
-    curve_HUSD: '0x3ef6a01a0f81d6046290f3e2a8c5b843e738e604',
     // 12.usdk is dead
-    curve_USDN: '0x0f9cb53ebe405d49a0bbdbd291a65ff571bc83e1',
+    curve_USDN: '0x0f9cb53ebe405d49a0bbdbd291a65ff571bc83e1', // 13.usdn
     // 14.linkusd is dead
-    curve_mUSD: '0x8474ddbe98f5aa3179b3b3f5942d724afcdec9f6',
+    curve_mUSD: '0x8474ddbe98f5aa3179b3b3f5942d724afcdec9f6', // 15.musd
     // 16.rsv is dead
-    curve_tBTC: '0xc25099792e9349c7dd09759744ea681c7de2cb66',
+    curve_tBTC: '0xc25099792e9349c7dd09759744ea681c7de2cb66', // 17.tbtc
+    curve_dUSD: '0x8038c01a0390a8c547446a0b2c18fc9aefecc10c', // 18.dusd
+    curve_pBTC: '0x5228a22e72ccc52d415ecfd199f99d0665e7733b', // 19.pbtc
+    curve_bBTC: '0x071c661b4deefb59e2a3ddb20db036821eee8f4b', // 20.bbtc
+    curve_oBTC: '0xd81da8d904b52208541bade1bd6595d8a251f8dd', // 21.obtc
+    curve_UST: '0x890f4e345b1daed0367a877a1612f86a1f86985f', // 22.ust
+    curve_eurs: '0x0ce6a5ff5217e38315f87032cf90686c96627caa', // 23.eurs
+    // curve_seth: '0xc5424b857f758e906013f3555dad202e4bdb4567', // 24.seth
+    curve_aave: '0xdebf20617708857ebe4f679508e7b7863a8a8eee', // 25.aave
 };
 
 /**
@@ -151,17 +170,6 @@ export const MAINNET_CURVE_INFOS: { [name: string]: CurveInfo } = {
         tokens: [TOKENS.DAI, TOKENS.USDC],
         metaToken: undefined,
     },
-    // USDT: {
-    //     exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying,
-    //     sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_underlying,
-    //     buyQuoteFunctionSelector: CurveFunctionSelectors.get_dx_underlying,
-    //     poolAddress: '0x52ea46506b9cc5ef470c5bf89f17dc28bb35d85c',
-    //     tokens: [
-    //         TOKENS.DAI,
-    //         TOKENS.USDC,
-    //         TOKENS.USDT,
-    //     ],
-    // },
     [POOLS.curve_PAX]: {
         exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying,
         sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_underlying,
@@ -226,7 +234,6 @@ export const MAINNET_CURVE_INFOS: { [name: string]: CurveInfo } = {
         tokens: [TOKENS.DAI, TOKENS.USDC, TOKENS.USDT],
         metaToken: undefined,
     },
-    // Metapools
     [POOLS.curve_GUSD]: {
         exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying,
         sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_underlying,
@@ -267,6 +274,78 @@ export const MAINNET_CURVE_INFOS: { [name: string]: CurveInfo } = {
         tokens: [TOKENS.tBTC, TOKENS.RenBTC, TOKENS.WBTC, TOKENS.sBTC],
         metaToken: TOKENS.tBTC,
     },
+    [POOLS.curve_dUSD]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_underlying,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: POOLS.curve_dUSD,
+        tokens: [TOKENS.dUSD, TOKENS.DAI, TOKENS.USDC, TOKENS.USDT],
+        metaToken: TOKENS.dUSD,
+    },
+    [POOLS.curve_pBTC]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_underlying,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: POOLS.curve_pBTC,
+        tokens: [TOKENS.pBTC, TOKENS.RenBTC, TOKENS.WBTC, TOKENS.sBTC],
+        metaToken: TOKENS.pBTC,
+    },
+    [POOLS.curve_bBTC]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_underlying,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: POOLS.curve_bBTC,
+        tokens: [TOKENS.bBTC, TOKENS.RenBTC, TOKENS.WBTC, TOKENS.sBTC],
+        metaToken: TOKENS.bBTC,
+    },
+    [POOLS.curve_oBTC]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_underlying,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: POOLS.curve_oBTC,
+        tokens: [TOKENS.oBTC, TOKENS.RenBTC, TOKENS.WBTC, TOKENS.sBTC],
+        metaToken: TOKENS.oBTC,
+    },
+    [POOLS.curve_UST]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_underlying,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: POOLS.curve_UST,
+        tokens: [TOKENS.UST, TOKENS.DAI, TOKENS.USDC, TOKENS.USDT],
+        metaToken: TOKENS.UST,
+    },
+    [POOLS.curve_eurs]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.exchange,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: POOLS.curve_eurs,
+        tokens: [TOKENS.EURS, TOKENS.sEUR],
+        metaToken: undefined,
+    },
+    // [POOLS.curve_seth]: {
+    //     exchangeFunctionSelector: CurveFunctionSelectors.exchange,
+    //     sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy,
+    //     buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+    //     poolAddress: POOLS.curve_seth,
+    //     tokens: [TOKENS.ETH, TOKENS.sETH],
+    //     metaToken: undefined,
+    // },
+    [POOLS.curve_aave]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_underlying,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: POOLS.curve_aave,
+        tokens: [TOKENS.DAI, TOKENS.USDC, TOKENS.USDT],
+        metaToken: undefined,
+    },
+    [POOLS.curve_aave]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.exchange,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: POOLS.curve_aave,
+        tokens: [TOKENS.aDAI, TOKENS.aUSDC, TOKENS.aUSDT],
+        metaToken: undefined,
+    },
 };
 
 export const MAINNET_SWERVE_INFOS: { [name: string]: CurveInfo } = {
@@ -357,13 +436,16 @@ export const LIQUIDITY_PROVIDER_REGISTRY: LiquidityProviderRegistry = {};
 export const MAINNET_SUSHI_SWAP_ROUTER = '0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F';
 export const MAINNET_CRYPTO_COM_ROUTER = '0xCeB90E4C17d626BE0fACd78b79c9c87d7ca181b3';
 
+export const MAINNET_MOONISWAP_REGISTRY = '0x71CD6666064C3A1354a3B4dca5fA1E2D3ee7D303';
+export const MAINNET_MOONISWAP_V2_REGISTRY = '0xc4a8b7e29e3c8ec560cd4945c1cf3461a85a148d';
+
 export const MAINNET_SHELL_POOLS = {
     StableCoins: {
-        poolAddress: '0x2E703D658f8dd21709a7B458967aB4081F8D3d05',
+        poolAddress: '0x8f26d7bab7a73309141a291525c965ecdea7bf42',
         tokens: [TOKENS.USDC, TOKENS.USDT, TOKENS.sUSD, TOKENS.DAI],
     },
     Bitcoin: {
-        poolAddress: '0x02Af7C867d6Ddd2c87dEcec2E4AFF809ee118FBb',
+        poolAddress: '0xc2d019b901f8d4fdb2b9a65b5d226ad88c66ee8d',
         tokens: [TOKENS.RenBTC, TOKENS.WBTC, TOKENS.sBTC],
     },
 };
@@ -460,13 +542,6 @@ export const DEFAULT_GAS_SCHEDULE: Required<FeeSchedule> = {
             case POOLS.curve_HBTC:
             case POOLS.curve_TRI:
                 return 150e3;
-            case POOLS.curve_compound:
-                return 750e3;
-            case POOLS.curve_PAX:
-            case POOLS.curve_y:
-            case POOLS.curve_BUSD:
-                return 850e3;
-            // Metapools
             case POOLS.curve_USDN:
             case POOLS.curve_mUSD:
                 return 300e3;
@@ -475,6 +550,22 @@ export const DEFAULT_GAS_SCHEDULE: Required<FeeSchedule> = {
                 return 310e3;
             case POOLS.curve_tBTC:
                 return 370e3;
+            case POOLS.curve_UST:
+                return 500e3;
+            case POOLS.curve_dUSD:
+            case POOLS.curve_bBTC:
+            case POOLS.curve_oBTC:
+            case POOLS.curve_eurs:
+                return 600e3;
+            case POOLS.curve_compound:
+                return 750e3;
+            case POOLS.curve_aave:
+                return 800e3;
+            case POOLS.curve_PAX:
+            case POOLS.curve_y:
+            case POOLS.curve_BUSD:
+                return 850e3;
+            // case POOLS.curve_seth:
             default:
                 throw new Error(`Unrecognized Curve address: ${poolAddress}`);
         }

packages/asset-swapper/src/utils/market_operation_utils/sampler_operations.ts

@@ -9,6 +9,8 @@ import { BancorService } from './bancor_service';
 import {
     LIQUIDITY_PROVIDER_REGISTRY,
     MAINNET_CRYPTO_COM_ROUTER,
+    MAINNET_MOONISWAP_REGISTRY,
+    MAINNET_MOONISWAP_V2_REGISTRY,
     MAINNET_SUSHI_SWAP_ROUTER,
     MAX_UINT256,
     ZERO_AMOUNT,
@@ -623,6 +625,7 @@ export class SamplerOperations {
     }
 
     public getMooniswapSellQuotes(
+        registry: string,
         makerToken: string,
         takerToken: string,
         takerFillAmounts: BigNumber[],
@@ -631,7 +634,7 @@ export class SamplerOperations {
             source: ERC20BridgeSource.Mooniswap,
             contract: this._samplerContract,
             function: this._samplerContract.sampleSellsFromMooniswap,
-            params: [takerToken, makerToken, takerFillAmounts],
+            params: [registry, takerToken, makerToken, takerFillAmounts],
             callback: (callResults: string, fillData: MooniswapFillData): BigNumber[] => {
                 const [poolAddress, samples] = this._samplerContract.getABIDecodedReturnData<[string, BigNumber[]]>(
                     'sampleSellsFromMooniswap',
@@ -644,6 +647,7 @@ export class SamplerOperations {
     }
 
     public getMooniswapBuyQuotes(
+        registry: string,
         makerToken: string,
         takerToken: string,
         makerFillAmounts: BigNumber[],
@@ -652,7 +656,7 @@ export class SamplerOperations {
             source: ERC20BridgeSource.Mooniswap,
             contract: this._samplerContract,
             function: this._samplerContract.sampleBuysFromMooniswap,
-            params: [takerToken, makerToken, makerFillAmounts],
+            params: [registry, takerToken, makerToken, makerFillAmounts],
             callback: (callResults: string, fillData: MooniswapFillData): BigNumber[] => {
                 const [poolAddress, samples] = this._samplerContract.getABIDecodedReturnData<[string, BigNumber[]]>(
                     'sampleBuysFromMooniswap',
@@ -1093,7 +1097,20 @@ export class SamplerOperations {
                         case ERC20BridgeSource.MStable:
                             return this.getMStableSellQuotes(makerToken, takerToken, takerFillAmounts);
                         case ERC20BridgeSource.Mooniswap:
-                            return this.getMooniswapSellQuotes(makerToken, takerToken, takerFillAmounts);
+                            return [
+                                this.getMooniswapSellQuotes(
+                                    MAINNET_MOONISWAP_REGISTRY,
+                                    makerToken,
+                                    takerToken,
+                                    takerFillAmounts,
+                                ),
+                                this.getMooniswapSellQuotes(
+                                    MAINNET_MOONISWAP_V2_REGISTRY,
+                                    makerToken,
+                                    takerToken,
+                                    takerFillAmounts,
+                                ),
+                            ];
                         case ERC20BridgeSource.Balancer:
                             return this.balancerPoolsCache
                                 .getCachedPoolAddressesForPair(takerToken, makerToken)!
@@ -1218,7 +1235,20 @@ export class SamplerOperations {
                         case ERC20BridgeSource.MStable:
                             return this.getMStableBuyQuotes(makerToken, takerToken, makerFillAmounts);
                         case ERC20BridgeSource.Mooniswap:
-                            return this.getMooniswapBuyQuotes(makerToken, takerToken, makerFillAmounts);
+                            return [
+                                this.getMooniswapBuyQuotes(
+                                    MAINNET_MOONISWAP_REGISTRY,
+                                    makerToken,
+                                    takerToken,
+                                    makerFillAmounts,
+                                ),
+                                this.getMooniswapBuyQuotes(
+                                    MAINNET_MOONISWAP_V2_REGISTRY,
+                                    makerToken,
+                                    takerToken,
+                                    makerFillAmounts,
+                                ),
+                            ];
                         case ERC20BridgeSource.Balancer:
                             return this.balancerPoolsCache
                                 .getCachedPoolAddressesForPair(takerToken, makerToken)!

packages/contract-artifacts/CHANGELOG.json

@@ -1,4 +1,14 @@
 [
+    {
+        "version": "3.11.0",
+        "changes": [
+            {
+                "note": "Update IZeroEx artifact",
+                "pr": 97
+            }
+        ],
+        "timestamp": 1609802516
+    },
     {
         "version": "3.10.0",
         "changes": [

packages/contract-artifacts/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.11.0 - _January 4, 2021_
+
+    * Update IZeroEx artifact (#97)
+
 ## v3.10.0 - _December 9, 2020_
 
     * Update artifacts (#76)

packages/contract-artifacts/artifacts/IZeroEx.json

@@ -457,6 +457,114 @@
                 "stateMutability": "payable",
                 "type": "function"
             },
+            {
+                "inputs": [
+                    {
+                        "components": [
+                            { "internalType": "contract IERC20TokenV06", "name": "makerToken", "type": "address" },
+                            { "internalType": "contract IERC20TokenV06", "name": "takerToken", "type": "address" },
+                            { "internalType": "uint128", "name": "makerAmount", "type": "uint128" },
+                            { "internalType": "uint128", "name": "takerAmount", "type": "uint128" },
+                            { "internalType": "uint128", "name": "takerTokenFeeAmount", "type": "uint128" },
+                            { "internalType": "address", "name": "maker", "type": "address" },
+                            { "internalType": "address", "name": "taker", "type": "address" },
+                            { "internalType": "address", "name": "sender", "type": "address" },
+                            { "internalType": "address", "name": "feeRecipient", "type": "address" },
+                            { "internalType": "bytes32", "name": "pool", "type": "bytes32" },
+                            { "internalType": "uint64", "name": "expiry", "type": "uint64" },
+                            { "internalType": "uint256", "name": "salt", "type": "uint256" }
+                        ],
+                        "internalType": "struct LibNativeOrder.LimitOrder[]",
+                        "name": "orders",
+                        "type": "tuple[]"
+                    },
+                    {
+                        "components": [
+                            {
+                                "internalType": "enum LibSignature.SignatureType",
+                                "name": "signatureType",
+                                "type": "uint8"
+                            },
+                            { "internalType": "uint8", "name": "v", "type": "uint8" },
+                            { "internalType": "bytes32", "name": "r", "type": "bytes32" },
+                            { "internalType": "bytes32", "name": "s", "type": "bytes32" }
+                        ],
+                        "internalType": "struct LibSignature.Signature[]",
+                        "name": "signatures",
+                        "type": "tuple[]"
+                    }
+                ],
+                "name": "batchGetLimitOrderRelevantStates",
+                "outputs": [
+                    {
+                        "components": [
+                            { "internalType": "bytes32", "name": "orderHash", "type": "bytes32" },
+                            { "internalType": "enum LibNativeOrder.OrderStatus", "name": "status", "type": "uint8" },
+                            { "internalType": "uint128", "name": "takerTokenFilledAmount", "type": "uint128" }
+                        ],
+                        "internalType": "struct LibNativeOrder.OrderInfo[]",
+                        "name": "orderInfos",
+                        "type": "tuple[]"
+                    },
+                    { "internalType": "uint128[]", "name": "actualFillableTakerTokenAmounts", "type": "uint128[]" },
+                    { "internalType": "bool[]", "name": "isSignatureValids", "type": "bool[]" }
+                ],
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "inputs": [
+                    {
+                        "components": [
+                            { "internalType": "contract IERC20TokenV06", "name": "makerToken", "type": "address" },
+                            { "internalType": "contract IERC20TokenV06", "name": "takerToken", "type": "address" },
+                            { "internalType": "uint128", "name": "makerAmount", "type": "uint128" },
+                            { "internalType": "uint128", "name": "takerAmount", "type": "uint128" },
+                            { "internalType": "address", "name": "maker", "type": "address" },
+                            { "internalType": "address", "name": "taker", "type": "address" },
+                            { "internalType": "address", "name": "txOrigin", "type": "address" },
+                            { "internalType": "bytes32", "name": "pool", "type": "bytes32" },
+                            { "internalType": "uint64", "name": "expiry", "type": "uint64" },
+                            { "internalType": "uint256", "name": "salt", "type": "uint256" }
+                        ],
+                        "internalType": "struct LibNativeOrder.RfqOrder[]",
+                        "name": "orders",
+                        "type": "tuple[]"
+                    },
+                    {
+                        "components": [
+                            {
+                                "internalType": "enum LibSignature.SignatureType",
+                                "name": "signatureType",
+                                "type": "uint8"
+                            },
+                            { "internalType": "uint8", "name": "v", "type": "uint8" },
+                            { "internalType": "bytes32", "name": "r", "type": "bytes32" },
+                            { "internalType": "bytes32", "name": "s", "type": "bytes32" }
+                        ],
+                        "internalType": "struct LibSignature.Signature[]",
+                        "name": "signatures",
+                        "type": "tuple[]"
+                    }
+                ],
+                "name": "batchGetRfqOrderRelevantStates",
+                "outputs": [
+                    {
+                        "components": [
+                            { "internalType": "bytes32", "name": "orderHash", "type": "bytes32" },
+                            { "internalType": "enum LibNativeOrder.OrderStatus", "name": "status", "type": "uint8" },
+                            { "internalType": "uint128", "name": "takerTokenFilledAmount", "type": "uint128" }
+                        ],
+                        "internalType": "struct LibNativeOrder.OrderInfo[]",
+                        "name": "orderInfos",
+                        "type": "tuple[]"
+                    },
+                    { "internalType": "uint128[]", "name": "actualFillableTakerTokenAmounts", "type": "uint128[]" },
+                    { "internalType": "bool[]", "name": "isSignatureValids", "type": "bool[]" }
+                ],
+                "stateMutability": "view",
+                "type": "function"
+            },
             {
                 "inputs": [
                     {
@@ -834,6 +942,61 @@
                 "stateMutability": "view",
                 "type": "function"
             },
+            {
+                "inputs": [
+                    {
+                        "components": [
+                            { "internalType": "contract IERC20TokenV06", "name": "makerToken", "type": "address" },
+                            { "internalType": "contract IERC20TokenV06", "name": "takerToken", "type": "address" },
+                            { "internalType": "uint128", "name": "makerAmount", "type": "uint128" },
+                            { "internalType": "uint128", "name": "takerAmount", "type": "uint128" },
+                            { "internalType": "uint128", "name": "takerTokenFeeAmount", "type": "uint128" },
+                            { "internalType": "address", "name": "maker", "type": "address" },
+                            { "internalType": "address", "name": "taker", "type": "address" },
+                            { "internalType": "address", "name": "sender", "type": "address" },
+                            { "internalType": "address", "name": "feeRecipient", "type": "address" },
+                            { "internalType": "bytes32", "name": "pool", "type": "bytes32" },
+                            { "internalType": "uint64", "name": "expiry", "type": "uint64" },
+                            { "internalType": "uint256", "name": "salt", "type": "uint256" }
+                        ],
+                        "internalType": "struct LibNativeOrder.LimitOrder",
+                        "name": "order",
+                        "type": "tuple"
+                    },
+                    {
+                        "components": [
+                            {
+                                "internalType": "enum LibSignature.SignatureType",
+                                "name": "signatureType",
+                                "type": "uint8"
+                            },
+                            { "internalType": "uint8", "name": "v", "type": "uint8" },
+                            { "internalType": "bytes32", "name": "r", "type": "bytes32" },
+                            { "internalType": "bytes32", "name": "s", "type": "bytes32" }
+                        ],
+                        "internalType": "struct LibSignature.Signature",
+                        "name": "signature",
+                        "type": "tuple"
+                    }
+                ],
+                "name": "getLimitOrderRelevantState",
+                "outputs": [
+                    {
+                        "components": [
+                            { "internalType": "bytes32", "name": "orderHash", "type": "bytes32" },
+                            { "internalType": "enum LibNativeOrder.OrderStatus", "name": "status", "type": "uint8" },
+                            { "internalType": "uint128", "name": "takerTokenFilledAmount", "type": "uint128" }
+                        ],
+                        "internalType": "struct LibNativeOrder.OrderInfo",
+                        "name": "orderInfo",
+                        "type": "tuple"
+                    },
+                    { "internalType": "uint128", "name": "actualFillableTakerTokenAmount", "type": "uint128" },
+                    { "internalType": "bool", "name": "isSignatureValid", "type": "bool" }
+                ],
+                "stateMutability": "view",
+                "type": "function"
+            },
             {
                 "inputs": [
                     {
@@ -966,6 +1129,59 @@
                 "stateMutability": "view",
                 "type": "function"
             },
+            {
+                "inputs": [
+                    {
+                        "components": [
+                            { "internalType": "contract IERC20TokenV06", "name": "makerToken", "type": "address" },
+                            { "internalType": "contract IERC20TokenV06", "name": "takerToken", "type": "address" },
+                            { "internalType": "uint128", "name": "makerAmount", "type": "uint128" },
+                            { "internalType": "uint128", "name": "takerAmount", "type": "uint128" },
+                            { "internalType": "address", "name": "maker", "type": "address" },
+                            { "internalType": "address", "name": "taker", "type": "address" },
+                            { "internalType": "address", "name": "txOrigin", "type": "address" },
+                            { "internalType": "bytes32", "name": "pool", "type": "bytes32" },
+                            { "internalType": "uint64", "name": "expiry", "type": "uint64" },
+                            { "internalType": "uint256", "name": "salt", "type": "uint256" }
+                        ],
+                        "internalType": "struct LibNativeOrder.RfqOrder",
+                        "name": "order",
+                        "type": "tuple"
+                    },
+                    {
+                        "components": [
+                            {
+                                "internalType": "enum LibSignature.SignatureType",
+                                "name": "signatureType",
+                                "type": "uint8"
+                            },
+                            { "internalType": "uint8", "name": "v", "type": "uint8" },
+                            { "internalType": "bytes32", "name": "r", "type": "bytes32" },
+                            { "internalType": "bytes32", "name": "s", "type": "bytes32" }
+                        ],
+                        "internalType": "struct LibSignature.Signature",
+                        "name": "signature",
+                        "type": "tuple"
+                    }
+                ],
+                "name": "getRfqOrderRelevantState",
+                "outputs": [
+                    {
+                        "components": [
+                            { "internalType": "bytes32", "name": "orderHash", "type": "bytes32" },
+                            { "internalType": "enum LibNativeOrder.OrderStatus", "name": "status", "type": "uint8" },
+                            { "internalType": "uint128", "name": "takerTokenFilledAmount", "type": "uint128" }
+                        ],
+                        "internalType": "struct LibNativeOrder.OrderInfo",
+                        "name": "orderInfo",
+                        "type": "tuple"
+                    },
+                    { "internalType": "uint128", "name": "actualFillableTakerTokenAmount", "type": "uint128" },
+                    { "internalType": "bool", "name": "isSignatureValid", "type": "bool" }
+                ],
+                "stateMutability": "view",
+                "type": "function"
+            },
             {
                 "inputs": [
                     { "internalType": "bytes4", "name": "selector", "type": "bytes4" },
@@ -1230,6 +1446,24 @@
                     },
                     "returns": { "returnResults": "The ABI-encoded results of the underlying calls." }
                 },
+                "batchGetLimitOrderRelevantStates((address,address,uint128,uint128,uint128,address,address,address,address,bytes32,uint64,uint256)[],(uint8,uint8,bytes32,bytes32)[])": {
+                    "details": "Batch version of `getLimitOrderRelevantState()`.",
+                    "params": { "orders": "The limit orders.", "signatures": "The order signatures." },
+                    "returns": {
+                        "actualFillableTakerTokenAmounts": "How much of each order is fillable         based on maker funds, in taker tokens.",
+                        "isSignatureValids": "Whether each signature is valid for the order.",
+                        "orderInfos": "Info about the orders."
+                    }
+                },
+                "batchGetRfqOrderRelevantStates((address,address,uint128,uint128,address,address,address,bytes32,uint64,uint256)[],(uint8,uint8,bytes32,bytes32)[])": {
+                    "details": "Batch version of `getRfqOrderRelevantState()`.",
+                    "params": { "orders": "The RFQ orders.", "signatures": "The order signatures." },
+                    "returns": {
+                        "actualFillableTakerTokenAmounts": "How much of each order is fillable         based on maker funds, in taker tokens.",
+                        "isSignatureValids": "Whether each signature is valid for the order.",
+                        "orderInfos": "Info about the orders."
+                    }
+                },
                 "cancelLimitOrder((address,address,uint128,uint128,uint128,address,address,address,address,bytes32,uint64,uint256))": {
                     "details": "Cancel a single limit order. The caller must be the maker.      Silently succeeds if the order has already been cancelled.",
                     "params": { "order": "The limit order." }
@@ -1326,6 +1560,15 @@
                     "params": { "order": "The limit order." },
                     "returns": { "orderInfo": "Info about the order." }
                 },
+                "getLimitOrderRelevantState((address,address,uint128,uint128,uint128,address,address,address,address,bytes32,uint64,uint256),(uint8,uint8,bytes32,bytes32))": {
+                    "details": "Get order info, fillable amount, and signature validity for a limit order.      Fillable amount is determined using balances and allowances of the maker.",
+                    "params": { "order": "The limit order.", "signature": "The order signature." },
+                    "returns": {
+                        "actualFillableTakerTokenAmount": "How much of the order is fillable         based on maker funds, in taker tokens.",
+                        "isSignatureValid": "Whether the signature is valid.",
+                        "orderInfo": "Info about the order."
+                    }
+                },
                 "getMetaTransactionExecutedBlock((address,address,uint256,uint256,uint256,uint256,bytes,uint256,address,uint256))": {
                     "details": "Get the block at which a meta-transaction has been executed.",
                     "params": { "mtx": "The meta-transaction." },
@@ -1359,6 +1602,15 @@
                     "params": { "order": "The RFQ order." },
                     "returns": { "orderInfo": "Info about the order." }
                 },
+                "getRfqOrderRelevantState((address,address,uint128,uint128,address,address,address,bytes32,uint64,uint256),(uint8,uint8,bytes32,bytes32))": {
+                    "details": "Get order info, fillable amount, and signature validity for an RFQ order.      Fillable amount is determined using balances and allowances of the maker.",
+                    "params": { "order": "The RFQ order.", "signature": "The order signature." },
+                    "returns": {
+                        "actualFillableTakerTokenAmount": "How much of the order is fillable         based on maker funds, in taker tokens.",
+                        "isSignatureValid": "Whether the signature is valid.",
+                        "orderInfo": "Info about the order."
+                    }
+                },
                 "getRollbackEntryAtIndex(bytes4,uint256)": {
                     "details": "Retrieve an entry in the rollback history for a function.",
                     "params": { "idx": "The index in the rollback history.", "selector": "The function selector." },

packages/contract-artifacts/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contract-artifacts",
-    "version": "3.10.0",
+    "version": "3.11.0",
     "engines": {
         "node": ">=6.12"
     },

packages/contract-wrappers-test/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contract-wrappers-test",
-    "version": "12.2.32",
+    "version": "12.2.33",
     "engines": {
         "node": ">=6.12"
     },
@@ -31,11 +31,11 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/packages/contract-wrappers-test",
     "devDependencies": {
-        "@0x/contract-wrappers": "^13.11.2",
+        "@0x/contract-wrappers": "^13.12.0",
-        "@0x/contracts-test-utils": "^5.3.17",
+        "@0x/contracts-test-utils": "^5.3.18",
         "@0x/dev-utils": "^4.1.3",
-        "@0x/migrations": "^6.5.8",
+        "@0x/migrations": "^6.5.9",
-        "@0x/order-utils": "^10.4.12",
+        "@0x/order-utils": "^10.4.13",
         "@0x/subproviders": "^6.2.3",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",

packages/contract-wrappers/CHANGELOG.json

@@ -1,4 +1,14 @@
 [
+    {
+        "version": "13.12.0",
+        "changes": [
+            {
+                "note": "Update IZeroExContract wrapper",
+                "pr": 97
+            }
+        ],
+        "timestamp": 1609802516
+    },
     {
         "timestamp": 1608692071,
         "version": "13.11.2",

packages/contract-wrappers/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v13.12.0 - _January 4, 2021_
+
+    * Update IZeroExContract wrapper (#97)
+
 ## v13.11.2 - _December 23, 2020_
 
     * Dependencies updated

packages/contract-wrappers/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contract-wrappers",
-    "version": "13.11.2",
+    "version": "13.12.0",
     "engines": {
         "node": ">=6.12"
     },

packages/contract-wrappers/src/generated-wrappers/i_zero_ex.ts

@@ -1229,6 +1229,220 @@ export class IZeroExContract extends BaseContract {
                 stateMutability: 'payable',
                 type: 'function',
             },
+            {
+                inputs: [
+                    {
+                        name: 'orders',
+                        type: 'tuple[]',
+                        components: [
+                            {
+                                name: 'makerToken',
+                                type: 'address',
+                            },
+                            {
+                                name: 'takerToken',
+                                type: 'address',
+                            },
+                            {
+                                name: 'makerAmount',
+                                type: 'uint128',
+                            },
+                            {
+                                name: 'takerAmount',
+                                type: 'uint128',
+                            },
+                            {
+                                name: 'takerTokenFeeAmount',
+                                type: 'uint128',
+                            },
+                            {
+                                name: 'maker',
+                                type: 'address',
+                            },
+                            {
+                                name: 'taker',
+                                type: 'address',
+                            },
+                            {
+                                name: 'sender',
+                                type: 'address',
+                            },
+                            {
+                                name: 'feeRecipient',
+                                type: 'address',
+                            },
+                            {
+                                name: 'pool',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 'expiry',
+                                type: 'uint64',
+                            },
+                            {
+                                name: 'salt',
+                                type: 'uint256',
+                            },
+                        ],
+                    },
+                    {
+                        name: 'signatures',
+                        type: 'tuple[]',
+                        components: [
+                            {
+                                name: 'signatureType',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'v',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'r',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 's',
+                                type: 'bytes32',
+                            },
+                        ],
+                    },
+                ],
+                name: 'batchGetLimitOrderRelevantStates',
+                outputs: [
+                    {
+                        name: 'orderInfos',
+                        type: 'tuple[]',
+                        components: [
+                            {
+                                name: 'orderHash',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 'status',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'takerTokenFilledAmount',
+                                type: 'uint128',
+                            },
+                        ],
+                    },
+                    {
+                        name: 'actualFillableTakerTokenAmounts',
+                        type: 'uint128[]',
+                    },
+                    {
+                        name: 'isSignatureValids',
+                        type: 'bool[]',
+                    },
+                ],
+                stateMutability: 'view',
+                type: 'function',
+            },
+            {
+                inputs: [
+                    {
+                        name: 'orders',
+                        type: 'tuple[]',
+                        components: [
+                            {
+                                name: 'makerToken',
+                                type: 'address',
+                            },
+                            {
+                                name: 'takerToken',
+                                type: 'address',
+                            },
+                            {
+                                name: 'makerAmount',
+                                type: 'uint128',
+                            },
+                            {
+                                name: 'takerAmount',
+                                type: 'uint128',
+                            },
+                            {
+                                name: 'maker',
+                                type: 'address',
+                            },
+                            {
+                                name: 'taker',
+                                type: 'address',
+                            },
+                            {
+                                name: 'txOrigin',
+                                type: 'address',
+                            },
+                            {
+                                name: 'pool',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 'expiry',
+                                type: 'uint64',
+                            },
+                            {
+                                name: 'salt',
+                                type: 'uint256',
+                            },
+                        ],
+                    },
+                    {
+                        name: 'signatures',
+                        type: 'tuple[]',
+                        components: [
+                            {
+                                name: 'signatureType',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'v',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'r',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 's',
+                                type: 'bytes32',
+                            },
+                        ],
+                    },
+                ],
+                name: 'batchGetRfqOrderRelevantStates',
+                outputs: [
+                    {
+                        name: 'orderInfos',
+                        type: 'tuple[]',
+                        components: [
+                            {
+                                name: 'orderHash',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 'status',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'takerTokenFilledAmount',
+                                type: 'uint128',
+                            },
+                        ],
+                    },
+                    {
+                        name: 'actualFillableTakerTokenAmounts',
+                        type: 'uint128[]',
+                    },
+                    {
+                        name: 'isSignatureValids',
+                        type: 'bool[]',
+                    },
+                ],
+                stateMutability: 'view',
+                type: 'function',
+            },
             {
                 inputs: [
                     {
@@ -2018,6 +2232,117 @@ export class IZeroExContract extends BaseContract {
                 stateMutability: 'view',
                 type: 'function',
             },
+            {
+                inputs: [
+                    {
+                        name: 'order',
+                        type: 'tuple',
+                        components: [
+                            {
+                                name: 'makerToken',
+                                type: 'address',
+                            },
+                            {
+                                name: 'takerToken',
+                                type: 'address',
+                            },
+                            {
+                                name: 'makerAmount',
+                                type: 'uint128',
+                            },
+                            {
+                                name: 'takerAmount',
+                                type: 'uint128',
+                            },
+                            {
+                                name: 'takerTokenFeeAmount',
+                                type: 'uint128',
+                            },
+                            {
+                                name: 'maker',
+                                type: 'address',
+                            },
+                            {
+                                name: 'taker',
+                                type: 'address',
+                            },
+                            {
+                                name: 'sender',
+                                type: 'address',
+                            },
+                            {
+                                name: 'feeRecipient',
+                                type: 'address',
+                            },
+                            {
+                                name: 'pool',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 'expiry',
+                                type: 'uint64',
+                            },
+                            {
+                                name: 'salt',
+                                type: 'uint256',
+                            },
+                        ],
+                    },
+                    {
+                        name: 'signature',
+                        type: 'tuple',
+                        components: [
+                            {
+                                name: 'signatureType',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'v',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'r',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 's',
+                                type: 'bytes32',
+                            },
+                        ],
+                    },
+                ],
+                name: 'getLimitOrderRelevantState',
+                outputs: [
+                    {
+                        name: 'orderInfo',
+                        type: 'tuple',
+                        components: [
+                            {
+                                name: 'orderHash',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 'status',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'takerTokenFilledAmount',
+                                type: 'uint128',
+                            },
+                        ],
+                    },
+                    {
+                        name: 'actualFillableTakerTokenAmount',
+                        type: 'uint128',
+                    },
+                    {
+                        name: 'isSignatureValid',
+                        type: 'bool',
+                    },
+                ],
+                stateMutability: 'view',
+                type: 'function',
+            },
             {
                 inputs: [
                     {
@@ -2309,6 +2634,109 @@ export class IZeroExContract extends BaseContract {
                 stateMutability: 'view',
                 type: 'function',
             },
+            {
+                inputs: [
+                    {
+                        name: 'order',
+                        type: 'tuple',
+                        components: [
+                            {
+                                name: 'makerToken',
+                                type: 'address',
+                            },
+                            {
+                                name: 'takerToken',
+                                type: 'address',
+                            },
+                            {
+                                name: 'makerAmount',
+                                type: 'uint128',
+                            },
+                            {
+                                name: 'takerAmount',
+                                type: 'uint128',
+                            },
+                            {
+                                name: 'maker',
+                                type: 'address',
+                            },
+                            {
+                                name: 'taker',
+                                type: 'address',
+                            },
+                            {
+                                name: 'txOrigin',
+                                type: 'address',
+                            },
+                            {
+                                name: 'pool',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 'expiry',
+                                type: 'uint64',
+                            },
+                            {
+                                name: 'salt',
+                                type: 'uint256',
+                            },
+                        ],
+                    },
+                    {
+                        name: 'signature',
+                        type: 'tuple',
+                        components: [
+                            {
+                                name: 'signatureType',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'v',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'r',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 's',
+                                type: 'bytes32',
+                            },
+                        ],
+                    },
+                ],
+                name: 'getRfqOrderRelevantState',
+                outputs: [
+                    {
+                        name: 'orderInfo',
+                        type: 'tuple',
+                        components: [
+                            {
+                                name: 'orderHash',
+                                type: 'bytes32',
+                            },
+                            {
+                                name: 'status',
+                                type: 'uint8',
+                            },
+                            {
+                                name: 'takerTokenFilledAmount',
+                                type: 'uint128',
+                            },
+                        ],
+                    },
+                    {
+                        name: 'actualFillableTakerTokenAmount',
+                        type: 'uint128',
+                    },
+                    {
+                        name: 'isSignatureValid',
+                        type: 'bool',
+                    },
+                ],
+                stateMutability: 'view',
+                type: 'function',
+            },
             {
                 inputs: [
                     {
@@ -3429,6 +3857,178 @@ export class IZeroExContract extends BaseContract {
             },
         };
     }
+    /**
+     * Batch version of `getLimitOrderRelevantState()`.
+     * @param orders The limit orders.
+     * @param signatures The order signatures.
+     */
+    public batchGetLimitOrderRelevantStates(
+        orders: Array<{
+            makerToken: string;
+            takerToken: string;
+            makerAmount: BigNumber;
+            takerAmount: BigNumber;
+            takerTokenFeeAmount: BigNumber;
+            maker: string;
+            taker: string;
+            sender: string;
+            feeRecipient: string;
+            pool: string;
+            expiry: BigNumber;
+            salt: BigNumber;
+        }>,
+        signatures: Array<{ signatureType: number | BigNumber; v: number | BigNumber; r: string; s: string }>,
+    ): ContractTxFunctionObj<
+        [Array<{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }>, BigNumber[], boolean[]]
+    > {
+        const self = (this as any) as IZeroExContract;
+        assert.isArray('orders', orders);
+        assert.isArray('signatures', signatures);
+        const functionSignature =
+            'batchGetLimitOrderRelevantStates((address,address,uint128,uint128,uint128,address,address,address,address,bytes32,uint64,uint256)[],(uint8,uint8,bytes32,bytes32)[])';
+
+        return {
+            async sendTransactionAsync(
+                txData?: Partial<TxData> | undefined,
+                opts: SendTransactionOpts = { shouldValidate: true },
+            ): Promise<string> {
+                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
+                    { data: this.getABIEncodedTransactionData(), ...txData },
+                    this.estimateGasAsync.bind(this),
+                );
+                if (opts.shouldValidate !== false) {
+                    await this.callAsync(txDataWithDefaults);
+                }
+                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
+            },
+            awaitTransactionSuccessAsync(
+                txData?: Partial<TxData>,
+                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
+            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
+                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
+            },
+            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
+                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
+                    data: this.getABIEncodedTransactionData(),
+                    ...txData,
+                });
+                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
+            },
+            async callAsync(
+                callData: Partial<CallData> = {},
+                defaultBlock?: BlockParam,
+            ): Promise<
+                [
+                    Array<{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }>,
+                    BigNumber[],
+                    boolean[]
+                ]
+            > {
+                BaseContract._assertCallParams(callData, defaultBlock);
+                const rawCallResult = await self._performCallAsync(
+                    { data: this.getABIEncodedTransactionData(), ...callData },
+                    defaultBlock,
+                );
+                const abiEncoder = self._lookupAbiEncoder(functionSignature);
+                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
+                return abiEncoder.strictDecodeReturnValue<
+                    [
+                        Array<{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }>,
+                        BigNumber[],
+                        boolean[]
+                    ]
+                >(rawCallResult);
+            },
+            getABIEncodedTransactionData(): string {
+                return self._strictEncodeArguments(functionSignature, [orders, signatures]);
+            },
+        };
+    }
+    /**
+     * Batch version of `getRfqOrderRelevantState()`.
+     * @param orders The RFQ orders.
+     * @param signatures The order signatures.
+     */
+    public batchGetRfqOrderRelevantStates(
+        orders: Array<{
+            makerToken: string;
+            takerToken: string;
+            makerAmount: BigNumber;
+            takerAmount: BigNumber;
+            maker: string;
+            taker: string;
+            txOrigin: string;
+            pool: string;
+            expiry: BigNumber;
+            salt: BigNumber;
+        }>,
+        signatures: Array<{ signatureType: number | BigNumber; v: number | BigNumber; r: string; s: string }>,
+    ): ContractTxFunctionObj<
+        [Array<{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }>, BigNumber[], boolean[]]
+    > {
+        const self = (this as any) as IZeroExContract;
+        assert.isArray('orders', orders);
+        assert.isArray('signatures', signatures);
+        const functionSignature =
+            'batchGetRfqOrderRelevantStates((address,address,uint128,uint128,address,address,address,bytes32,uint64,uint256)[],(uint8,uint8,bytes32,bytes32)[])';
+
+        return {
+            async sendTransactionAsync(
+                txData?: Partial<TxData> | undefined,
+                opts: SendTransactionOpts = { shouldValidate: true },
+            ): Promise<string> {
+                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
+                    { data: this.getABIEncodedTransactionData(), ...txData },
+                    this.estimateGasAsync.bind(this),
+                );
+                if (opts.shouldValidate !== false) {
+                    await this.callAsync(txDataWithDefaults);
+                }
+                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
+            },
+            awaitTransactionSuccessAsync(
+                txData?: Partial<TxData>,
+                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
+            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
+                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
+            },
+            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
+                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
+                    data: this.getABIEncodedTransactionData(),
+                    ...txData,
+                });
+                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
+            },
+            async callAsync(
+                callData: Partial<CallData> = {},
+                defaultBlock?: BlockParam,
+            ): Promise<
+                [
+                    Array<{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }>,
+                    BigNumber[],
+                    boolean[]
+                ]
+            > {
+                BaseContract._assertCallParams(callData, defaultBlock);
+                const rawCallResult = await self._performCallAsync(
+                    { data: this.getABIEncodedTransactionData(), ...callData },
+                    defaultBlock,
+                );
+                const abiEncoder = self._lookupAbiEncoder(functionSignature);
+                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
+                return abiEncoder.strictDecodeReturnValue<
+                    [
+                        Array<{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }>,
+                        BigNumber[],
+                        boolean[]
+                    ]
+                >(rawCallResult);
+            },
+            getABIEncodedTransactionData(): string {
+                return self._strictEncodeArguments(functionSignature, [orders, signatures]);
+            },
+        };
+    }
     /**
      * Cancel a single limit order. The caller must be the maker.
      * Silently succeeds if the order has already been cancelled.
@@ -4346,6 +4946,83 @@ export class IZeroExContract extends BaseContract {
             },
         };
     }
+    /**
+     * Get order info, fillable amount, and signature validity for a limit order.
+     * Fillable amount is determined using balances and allowances of the maker.
+     * @param order The limit order.
+     * @param signature The order signature.
+     */
+    public getLimitOrderRelevantState(
+        order: {
+            makerToken: string;
+            takerToken: string;
+            makerAmount: BigNumber;
+            takerAmount: BigNumber;
+            takerTokenFeeAmount: BigNumber;
+            maker: string;
+            taker: string;
+            sender: string;
+            feeRecipient: string;
+            pool: string;
+            expiry: BigNumber;
+            salt: BigNumber;
+        },
+        signature: { signatureType: number | BigNumber; v: number | BigNumber; r: string; s: string },
+    ): ContractTxFunctionObj<
+        [{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }, BigNumber, boolean]
+    > {
+        const self = (this as any) as IZeroExContract;
+
+        const functionSignature =
+            'getLimitOrderRelevantState((address,address,uint128,uint128,uint128,address,address,address,address,bytes32,uint64,uint256),(uint8,uint8,bytes32,bytes32))';
+
+        return {
+            async sendTransactionAsync(
+                txData?: Partial<TxData> | undefined,
+                opts: SendTransactionOpts = { shouldValidate: true },
+            ): Promise<string> {
+                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
+                    { data: this.getABIEncodedTransactionData(), ...txData },
+                    this.estimateGasAsync.bind(this),
+                );
+                if (opts.shouldValidate !== false) {
+                    await this.callAsync(txDataWithDefaults);
+                }
+                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
+            },
+            awaitTransactionSuccessAsync(
+                txData?: Partial<TxData>,
+                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
+            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
+                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
+            },
+            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
+                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
+                    data: this.getABIEncodedTransactionData(),
+                    ...txData,
+                });
+                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
+            },
+            async callAsync(
+                callData: Partial<CallData> = {},
+                defaultBlock?: BlockParam,
+            ): Promise<[{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }, BigNumber, boolean]> {
+                BaseContract._assertCallParams(callData, defaultBlock);
+                const rawCallResult = await self._performCallAsync(
+                    { data: this.getABIEncodedTransactionData(), ...callData },
+                    defaultBlock,
+                );
+                const abiEncoder = self._lookupAbiEncoder(functionSignature);
+                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
+                return abiEncoder.strictDecodeReturnValue<
+                    [{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }, BigNumber, boolean]
+                >(rawCallResult);
+            },
+            getABIEncodedTransactionData(): string {
+                return self._strictEncodeArguments(functionSignature, [order, signature]);
+            },
+        };
+    }
     /**
      * Get the block at which a meta-transaction has been executed.
      * @param mtx The meta-transaction.
@@ -4755,6 +5432,81 @@ export class IZeroExContract extends BaseContract {
             },
         };
     }
+    /**
+     * Get order info, fillable amount, and signature validity for an RFQ order.
+     * Fillable amount is determined using balances and allowances of the maker.
+     * @param order The RFQ order.
+     * @param signature The order signature.
+     */
+    public getRfqOrderRelevantState(
+        order: {
+            makerToken: string;
+            takerToken: string;
+            makerAmount: BigNumber;
+            takerAmount: BigNumber;
+            maker: string;
+            taker: string;
+            txOrigin: string;
+            pool: string;
+            expiry: BigNumber;
+            salt: BigNumber;
+        },
+        signature: { signatureType: number | BigNumber; v: number | BigNumber; r: string; s: string },
+    ): ContractTxFunctionObj<
+        [{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }, BigNumber, boolean]
+    > {
+        const self = (this as any) as IZeroExContract;
+
+        const functionSignature =
+            'getRfqOrderRelevantState((address,address,uint128,uint128,address,address,address,bytes32,uint64,uint256),(uint8,uint8,bytes32,bytes32))';
+
+        return {
+            async sendTransactionAsync(
+                txData?: Partial<TxData> | undefined,
+                opts: SendTransactionOpts = { shouldValidate: true },
+            ): Promise<string> {
+                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
+                    { data: this.getABIEncodedTransactionData(), ...txData },
+                    this.estimateGasAsync.bind(this),
+                );
+                if (opts.shouldValidate !== false) {
+                    await this.callAsync(txDataWithDefaults);
+                }
+                return self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
+            },
+            awaitTransactionSuccessAsync(
+                txData?: Partial<TxData>,
+                opts: AwaitTransactionSuccessOpts = { shouldValidate: true },
+            ): PromiseWithTransactionHash<TransactionReceiptWithDecodedLogs> {
+                return self._promiseWithTransactionHash(this.sendTransactionAsync(txData, opts), opts);
+            },
+            async estimateGasAsync(txData?: Partial<TxData> | undefined): Promise<number> {
+                const txDataWithDefaults = await self._applyDefaultsToTxDataAsync({
+                    data: this.getABIEncodedTransactionData(),
+                    ...txData,
+                });
+                return self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
+            },
+            async callAsync(
+                callData: Partial<CallData> = {},
+                defaultBlock?: BlockParam,
+            ): Promise<[{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }, BigNumber, boolean]> {
+                BaseContract._assertCallParams(callData, defaultBlock);
+                const rawCallResult = await self._performCallAsync(
+                    { data: this.getABIEncodedTransactionData(), ...callData },
+                    defaultBlock,
+                );
+                const abiEncoder = self._lookupAbiEncoder(functionSignature);
+                BaseContract._throwIfUnexpectedEmptyCallResult(rawCallResult, abiEncoder);
+                return abiEncoder.strictDecodeReturnValue<
+                    [{ orderHash: string; status: number; takerTokenFilledAmount: BigNumber }, BigNumber, boolean]
+                >(rawCallResult);
+            },
+            getABIEncodedTransactionData(): string {
+                return self._strictEncodeArguments(functionSignature, [order, signature]);
+            },
+        };
+    }
     /**
      * Retrieve an entry in the rollback history for a function.
      * @param selector The function selector.

packages/migrations/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "6.5.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "6.5.8",

packages/migrations/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v6.5.9 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v6.5.8 - _December 23, 2020_
 
     * Dependencies updated

packages/migrations/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/migrations",
-    "version": "6.5.8",
+    "version": "6.5.9",
     "engines": {
         "node": ">=6.12"
     },
@@ -69,19 +69,19 @@
     "dependencies": {
         "@0x/base-contract": "^6.2.14",
         "@0x/contract-addresses": "^5.8.0",
-        "@0x/contracts-asset-proxy": "^3.7.2",
+        "@0x/contracts-asset-proxy": "^3.7.3",
-        "@0x/contracts-coordinator": "^3.1.21",
+        "@0x/contracts-coordinator": "^3.1.22",
-        "@0x/contracts-dev-utils": "^1.3.19",
+        "@0x/contracts-dev-utils": "^1.3.20",
-        "@0x/contracts-erc1155": "^2.1.20",
+        "@0x/contracts-erc1155": "^2.1.21",
-        "@0x/contracts-erc20": "^3.2.14",
+        "@0x/contracts-erc20": "^3.3.0",
-        "@0x/contracts-erc721": "^3.1.20",
+        "@0x/contracts-erc721": "^3.1.21",
-        "@0x/contracts-exchange": "^3.2.21",
+        "@0x/contracts-exchange": "^3.2.22",
-        "@0x/contracts-exchange-forwarder": "^4.2.21",
+        "@0x/contracts-exchange-forwarder": "^4.2.22",
-        "@0x/contracts-extensions": "^6.2.15",
+        "@0x/contracts-extensions": "^6.2.16",
-        "@0x/contracts-multisig": "^4.1.21",
+        "@0x/contracts-multisig": "^4.1.22",
-        "@0x/contracts-staking": "^2.0.28",
+        "@0x/contracts-staking": "^2.0.29",
-        "@0x/contracts-utils": "^4.6.5",
+        "@0x/contracts-utils": "^4.7.0",
-        "@0x/contracts-zero-ex": "^0.16.0",
+        "@0x/contracts-zero-ex": "^0.17.0",
         "@0x/sol-compiler": "^4.4.1",
         "@0x/subproviders": "^6.2.3",
         "@0x/typescript-typings": "^5.1.6",

packages/order-utils/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "10.4.13",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "10.4.12",

packages/order-utils/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v10.4.13 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v10.4.12 - _December 23, 2020_
 
     * Dependencies updated

packages/order-utils/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/order-utils",
-    "version": "10.4.12",
+    "version": "10.4.13",
     "engines": {
         "node": ">=6.12"
     },
@@ -70,7 +70,7 @@
     "dependencies": {
         "@0x/assert": "^3.0.19",
         "@0x/contract-addresses": "^5.8.0",
-        "@0x/contract-wrappers": "^13.11.2",
+        "@0x/contract-wrappers": "^13.12.0",
         "@0x/json-schemas": "^5.3.4",
         "@0x/utils": "^6.1.1",
         "@0x/web3-wrapper": "^7.3.0",

packages/protocol-utils/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1609802516,
+        "version": "1.1.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1608692071,
         "version": "1.1.2",

packages/protocol-utils/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.1.3 - _January 4, 2021_
+
+    * Dependencies updated
+
 ## v1.1.2 - _December 23, 2020_
 
     * Dependencies updated

packages/protocol-utils/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/protocol-utils",
-    "version": "1.1.2",
+    "version": "1.1.3",
     "engines": {
         "node": ">=6.12"
     },
@@ -63,7 +63,7 @@
     "dependencies": {
         "@0x/assert": "^3.0.19",
         "@0x/contract-addresses": "^5.8.0",
-        "@0x/contract-wrappers": "^13.11.2",
+        "@0x/contract-wrappers": "^13.12.0",
         "@0x/json-schemas": "^5.3.4",
         "@0x/subproviders": "^6.2.3",
         "@0x/utils": "^6.1.1",