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v2.7.0
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@spalladino spalladino released this 10 Feb 16:26
· 86 commits to master since this release
v2.7.0
ecb1911

This release includes many new features and bugfixes, including Solidity 0.6 support, generation of typechain artifacts, and improvements around the oz compile command.

Solidity 0.6 support

This release has full support for the Solidity 0.6 version, which includes compiling, deploying, and interacting with contracts written with this version. Furthermore, the Initializable base contract has been tuned so it can be used with the 0.4, 0.5, and 0.6 compilers.

Typechain

The CLI can now generate typechain artifacts for your contracts, making it easier to use your projects in a typescript project. To enable it, just ensure you have a tsconfig.json at the root of your project, and both oz init and oz compile will ask you whether you want to enable typechain support.

Compiler

We made a few changes to how we handle imports in our compiler. The result is that we now have faster CLI response times, especially in large projects when we need to check whether there is anything to compile or not. We have also fixed issues that occurred when there were duplicate contract names, and removed support for ambiguous import paths. We are now also using our CLI to compile the contracts that are part of the SDK itself!

Changelog

Added

  • Support for processing ABIs in contract artifacts compiled with Solidity 0.6. (#1362)
  • Initializable contract can now be compiled in both Solidity 0.5 and 0.6. (#1413)
  • Generate typechain contract wrappers in a typescript project. (#1285)
  • Add path property to network.js config file, to be used together with protocol, host, and port. Add url shorthand property as well. (#1386)
  • Support for tuple parameters when calling methods in interactive commands such as send-tx, create, or upgrade. (#1333)
  • Solidity libraries in a project can now recursively link to other Solidity libraries. (#1252) (thanks @asselstine!)
  • Add new blockTimeout command-line option that sets web3#transactionBlockTimeout. (#1402)
  • Warn when importing @openzeppelin/contracts instead of @openzeppelin/contracts-ethereum-package. (#1335)

Fixed

  • Check for parameterless constructors in ancestor contracts when validating an upgradeable contract. (#1385)
  • Abort interactive create or upgrade processes on contract validation errors, such as having a constructor. (#1382)
  • Load gas and gasPrice from network configuration file. (#1345)
  • Command-line option timeout now properly sets web3#transactionPollingTimeout. (#1402)
  • Sort commands in alphabetical order for --help. (#1321)
  • Prevent corruption of compiled artifacts if there are multiple contracts with the same name. (#1296)
  • Ensure relative paths are stored in project configuration file. (#1384)
  • Improve error message if no networks are set in network.js configuration file. (#1394)

Changed

  • Trimmed the API of the ZWeb3 object to remove methods duplicated from web3.js. (#1369)
  • [breaking] Remove support for ambiguous Solidity imports relative to the current file not starting with a dot, to prevent corrupted artifacts. Warn when duplicate contract names are found. (#1411)
  • Use solidity fuzzy-import parser, to speed up nothing-to-compile checks by a 40%, and lazy-load truffle-flattener to decrease CLI startup time. (#1291)
  • Disable interactivity if stdin is not a terminal. (#1299)

Internal

  • Use the OpenZeppelin CLI to compile and test contracts in the OpenZeppelin CLI and upgrades.js. (#1294, #1288)
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