v1.8.0

This release contains the full implementation of EIP721, following the last details settled in the recently closed EIP. Thanks to all the community for your contributions! 🚀

Changelog

v1.7.0...v1.8.0

• ✨ Final EIP721 implementation (#803)
• 🔥 Add Transfer event to BurnableToken (#735)
• 👨‍🏫 ECRecovery recover is now internal (#818)
• 💅 Documentation and tests enhancements

v1.7.0

This release contains a big refactor of the Crowdsale contract, which allowed us to implement some really cool new crowdsale models. We also have a shiny new documentation site. Thanks to all the community for the awesome contributions! 🚀

Changelog

v1.6.0...v1.7.0

• ⚠️ Big Crowdsale refactor, including breaking changes (#744)
• 🆕 new crowdsale models (#744)
  • WhitelistedCrowdsale
  • IndividuallyCappedCrowdsale,
  • PostDeliveryCrowdsale
  • AllowanceCrowdsale
  • IncreasingPriceCrowdsale
  • Original Crowdsale contract refactored into Crowdsale, TimedCrowdsale and MintedCrowdsale.
• 🏹 Move token creation outside of Crowdsale contract (#690)
• 👑 Heritable improvements (#702)

Project updates:

• 📘 New documentation site! (#750)
• Update GitHub Pull Request templates (#699)
• 🔧 Minor tweaks for test artifact imports (#698)
• 🕵️‍♂️ Improve test coverage (#712)

v1.6.0

This time we bring you a new release, which includes the much hyped ERC721 for non-fungible tokens, to create your own digital collectibles and more. 🐈 🌍 🚀 🎉

During this release cycle the team has been very active improving the development process itself, and we're already seeing great results in the speed with which we respond to new issues and PRs. Take a peek at the status of development at our waffle.io board.

We'll be waiting for your contributions!

Changelog

v1.5.0...v1.6.0

• 🆕 Added ERC721 non-fungible token implementation (#615) 🐈
• 🆕 Added ERC827 token implementation provides transfer, transferFrom and approve methods which additionally perform a call to the recipients (#518)
• 🆕 Added Heritable, an extension of Ownable with a designated heir (#680)
• Added getTokenAmount for dynamic rate crowdsales (#638)
• Added the totalSupply function to the ERC20 interface (#666)

Project changes

• Enhanced tests and documentation
• Updated documentation for contributors (#684)
• Added Issue/PR templates (#641)
• Added linting configuration and Travis CI step (#673)

v1.5.0

A small release this time to keep the release cycle going! 🚀

Changelog

• 🆕 Added RBAC to enable more complex access control patterns. (#580)
• Several enhancements to project quality. (#581)
• And a few small changes. 🙂

v1.4.0

Thanks to all members of the community that contributed to this release! 🎉 🚀

Changelog

• 🆕 Added TokenVesting which implements vesting of tokens. It replaces the old VestedToken with a more modular approach. (#476)
• 🆕 Added SplitPayment which implements distributing payments to multiple people proportionally to shares. (#417)
• 🆕 Added DetailedERC20 which adds to a token state variables with the optional ERC20 metadata. (#477)
• 🆕 Added CappedToken which is a MintableToken with capped supply. (#515)
• Made MintableToken's finishMinting executable only once. (#505)
• Upgraded to Truffle 4.0.1 and Solidity 0.4.18. (#573, #460, #576, #506)
• Removed deprecated claim() from TokenTimelock. (#469)

And some additional changes to code style, tests, documentation and continuous integration.

v1.3.0

After a long wait, we're finally releasing version 1.3.0 of OpenZeppelin. This is a big release with a lot of small fixes, exciting new features, and enhancements to the developer experience.

This release includes commits from 29 contributors! Huge thanks to all of you! 🎉 🎉

Changelog

• Removed MultisigWallet in favor of gnosis/MultiSigWallet. (#328)
• Added a directory with examples. (#333, #342)
• Migrated the crowdsale contracts to timestamps instead of block numbers. (#350)
• Removed the call to finishMinting in FinalizableCrowdsale. (#364)
• Made approve pausable in PausableToken. (#448)
• Added an OwnershipTransferred event. (#424)
• Added the BurnableToken contract. (#341)
• Added the CanReclaimToken contract. (#348)
• Added the SafeERC20 library for interaction with ERC20 tokens. (#413)
• Added the MerkleProof library for merkle proof verification. (#260)
• Fixed some small issues in ERC20 compliance. (#345, #405, #446)
• Fixed a bug in transferFrom. (#377)
• Fixed transferOwnership to revert on failure instead of silently failing. (#323)
• Fixed a bug in TokenTimelock. (#430)
• Several enhancements to tests and documentation.
• Parallelized coverage and tests in Travis for faster test results in PRs. (#369)
• Removed the only production dependency (was actually a dev dependency). Now installing via npm install --only=prod zeppelin-solidity should install zero extra dependencies! (#357)

v1.2.0

Changelog

• Fix ERC20 interface and implementations to conform to standard.
• Rename claim to release in TokenTimelock.
• Bugfixes in VestedToken.
• Deprecated throw in favor of require(), assert() and revert().
• Small improvements on crowdsale contracts.
• Added ECRecovery library.

v1.1.0

Changelog

• Add Crowdsale contracts.
• Add a TokenTimelock contract.
• Add coveralls and move npm to yarn for TravisCI.
• Upgrade to Truffle version 3.2.2 and Solidity version 0.4.11
• Other minor refactors and fixes.
• Extract some functions of SafeMath into Math.
• Remove all checks for short address attack (see: #261)

v1.0.6

Changelog

• Add external audit report to repo.
• Minor improvements to Destructible.
• Revert to usig npm as preferred installation method, as ethpm is still immature.
• Add solidity-coverage
• Add natspec documentation
• Add revokability and burnablity options to VestedToken and general refactor and optimizations

Security

• Add fix for the approve() mitigation.
• Protect transferFrom against short hand attack.
• Fix attack on VestedToken#grantVestedTokens()

Thanks to @misteraverin, @miohtama, @izqui, @cgewecke, @maurelian, @JGcarv and @DavidKnott for your contributions to this release!

v1.0.5

Changelog:

• Added new TokenDestructible lifecycle helper for contracts that want to transfer owned tokens when destroyed.
• Decouple transferable logic from VestedToken as LimitedTransferToken.
• Added new ownership helpers HasNoEther, HasNoContracts, NoOwner.
• Added ReentrancyGuard to prevent contract from calling itself, directly or indirectly.
• Several refactors and small fixes.
• New MintableToken token with minting functions.
• New PausableToken token with pausable transfers (it's a Pausable instance)
• Make SafeMath a library.
• External audit security fixes. (Audit link will be published soon).

Thanks to @recmo, @izqui, @demibrener, @frangio, @roderik, @jdetychey, @DavidKnott, @lastperson, @tatiesmars, @AugustoL, @ORBAT for your contributions! This release wouldn't be the same without your work.