CDT 4.0.1 Release Notes

Contract Development Toolkit (CDT) is a C/C++ toolchain targeting WebAssembly (WASM) and a set of tools to facilitate development of smart contracts written in C/C++ that are meant to be deployed to an Antelope blockchain.

This bug fix release fixes MacOS builds, updates integrations with Leap , and removes the previously unused "antler-proj" library.

Read on for details.

Bug Fixes

Updated CI tests to use libtester from Leap Package

Updates GitHub Actions to use libtester provided by existing leap deb package.

PRs

• (172)[4.0] run integration tests in CI with libtester from leap-dev.deb @spoonincode

Add Explicit Overloads

Fixes a bug where std::basic_string<uint8_t> fails to correctly match in datastream for the stream operators

PRs

• (191)Add explicit overloads @larryk85

Fix Deprecated Call in cmake

Updates cmake to use find_package(Python) previous method is deprecated.

PRs

• (224)[4.0] migrate to find_package(Python) for cmake 3.27+ @spoonincode

Fix MacOS Builds

Updates codes to work on the latest clang, and updated linking to work across MacOS and Linux.

PRs

• (223)[4.0] fix -fnative linking on macOS @spoonincode
• (233)[4.0] remove is_callable_v<> workaround, fixing build @spoonincode

Remove Unused Libraries

Removes Antler Run and Antler Proj. This code was unaccessible.

PRs

• (237)Antler run removal @dimas1185
• (238)Antler-proj removal @dimas1185

Fix ABI Issues with Nested Contract Calls

The wrong type was included in an ABI. This occured in limited circumstances, when including an hpp file from a contract that defined a global singleton into another contract. In this scenario CDT incorrected added the global table to the ABI.

PRs

• (232)Abi fixes @dimas1185

Further details on changes since last release

Contributors

Special thanks to the contributors that submitted patches for this release:

• @dimas1185
• @spoonincode
• @larryk85

Full list of changes since last release

PRs

• (172)[4.0] run integration tests in CI with libtester from leap-dev.deb @spoonincode
• (191)Add explicit overloads @larryk85
• (224)[4.0] migrate to find_package(Python) for cmake 3.27+ @spoonincode
• (223)[4.0] fix -fnative linking on macOS @spoonincode
• (233)[4.0] remove is_callable_v<> workaround, fixing build @spoonincode
• (237)Antler run removal @dimas1185
• (232)Abi fixes @dimas1185
• (238)Antler-proj removal @dimas1185
• (240)Bump version to 4.0.1 @dimas1185

Full Changelog: v4.0.0...v4.0.1