Merge branch 'development' into dev-dropdown

* development: (120 commits)
  Exit with non-error code at end of publishRelease
  Publish
  Updated CHANGELOGS
  Fix prettier
  Update changelog files for RC packages
  Skip doc generation for local publishes since we test this in a separate CI test
  Fix typo
  Use absolute path
  Run yarn a second time if the first fails
  Try relative to root dir
  Fix command
  Move md files to lib folder during build
  Change exit code to failure
  Fix sra-spec `main` and `types` in package.json
  Actual relative path
  Try relative path
  Issue #1025 BlockParam unroll
  Fix command
  Move md files to lib folder during build
  Fix sra-spec `main` and `types` in package.json
  ...

1 files changed, 81 insertions, 0 deletions

diff --git a/packages/contracts/src/2.0.0/test/TestStaticCallReceiver/TestStaticCallReceiver.sol b/packages/contracts/src/2.0.0/test/TestStaticCallReceiver/TestStaticCallReceiver.sol
new file mode 100644
index 000000000..41aab01c8
--- /dev/null
+++ b/packages/contracts/src/2.0.0/test/TestStaticCallReceiver/TestStaticCallReceiver.sol
@@ -0,0 +1,81 @@
+/*
+
+  Copyright 2018 ZeroEx Intl.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+
+*/
+
+pragma solidity 0.4.24;
+
+import "../../tokens/ERC20Token/IERC20Token.sol";
+
+
+// solhint-disable no-unused-vars
+contract TestStaticCallReceiver {
+
+    uint256 internal state = 1;
+
+    /// @dev Updates state and returns true. Intended to be used with `Validator` signature type.
+    /// @param hash Message hash that is signed.
+    /// @param signerAddress Address that should have signed the given hash.
+    /// @param signature Proof of signing.
+    /// @return Validity of order signature.
+    function isValidSignature(
+        bytes32 hash,
+        address signerAddress,
+        bytes signature
+    )
+        external
+        returns (bool isValid)
+    {
+        updateState();
+        return true;
+    }
+
+    /// @dev Updates state and returns true. Intended to be used with `Wallet` signature type.
+    /// @param hash Message hash that is signed.
+    /// @param signature Proof of signing.
+    /// @return Validity of order signature.
+    function isValidSignature(
+        bytes32 hash,
+        bytes signature
+    )
+        external
+        returns (bool isValid)
+    {
+        updateState();
+        return true;
+    }
+
+    /// @dev Approves an ERC20 token to spend tokens from this address.
+    /// @param token Address of ERC20 token.
+    /// @param spender Address that will spend tokens.
+    /// @param value Amount of tokens spender is approved to spend.
+    function approveERC20(
+        address token,
+        address spender,
+        uint256 value
+    )
+        external
+    {
+        IERC20Token(token).approve(spender, value);
+    }
+
+    /// @dev Increments state variable.
+    function updateState()
+        internal
+    {
+        state++;
+    }
+}