Release 2.0

Related HFs Sokol HF 2018-09-19 and Core HF 2018-10-22

Major changes

• smart contracts were made upgradable: BallotsStorage, KeysManager, ProxyStorage, ValidatorMetadata, VotingToChangeKeys, VotingToChangeMinThreshold, VotingToChangeProxyAddress;
• scripts for migration from old to new smart contracts were added to scripts/migrate directory;
• new smart contracts for Increased Emission Supply were added: VotingToManageEmissionFunds, EmissionFunds, RewardByBlock;
• a new feature was implemented for creating a ballot to add a new validator with three keys at once;
• a new feature was implemented for finalizing a ballot before its end time in case of all validators voted;
• tuple getters were added to increase the performance of Voting DApp;
• smart contracts were migrated to the latest stable Solidity compiler version (0.4.24);
• smart contracts were refactored;
• npm packages were updated;
• found bugs were fixed;
• the test environment was updated (ganache-cli instead of testrpc, new solidity-coverage);
• security improvements were made according to reports of security audits.

Major pull requests

• (Feature) Add minting statistics to RewardByBlock contract (poanetwork/poa-network-consensus-contracts#197)
• (Fix) Get rid of limitation in RewardByBlock.addExtraReceiver function (poanetwork/poa-network-consensus-contracts#196)
• (Feature) Add script for checking contracts' functions for a clashing (poanetwork/poa-network-consensus-contracts#179)
• (Fix) Reduce gas spending, improve migrations, and minor enhancements (poanetwork/poa-network-consensus-contracts#171)
• (Feature) Allow cancellation of a ballot in VotingToManageEmissionFunds by its creator for 15 minutes after it's created (poanetwork/poa-network-consensus-contracts#168)
• (Fix) Accounting of pending confirmations in ValidatorMetadata's moveMetadata and clearMetadata functions (poanetwork/poa-network-consensus-contracts#164)
• (Fix) Add moveMetadata and clearMetadata functions to ValidatorMetadata contract (poanetwork/poa-network-consensus-contracts#158)
• (Fix) Finalization without reverts, optimizations and unit tests updates (poanetwork/poa-network-consensus-contracts#155)
• (Fix) Remove changing of ProxyStorage's address from ValidatorMetadata (poanetwork/poa-network-consensus-contracts#150)
• (Feature) Block Reward emission by time (poanetwork/poa-network-consensus-contracts#133)
• (Feature) Add extra getters for Voting DApp optimization (poanetwork/poa-network-consensus-contracts#129)
• (Feature) Add new validator with mining/voting/payout keys at once (poanetwork/poa-network-consensus-contracts#118)
• (Feature) Allow finalize at once if all validators gave their votes (poanetwork/poa-network-consensus-contracts#113)
• (Fix) removeVotingKey and removePayoutKey shouldn't revert if voting/ payout key is already removed (poanetwork/poa-network-consensus-contracts#127)
• (Fix) Add missed unit tests (poanetwork/poa-network-consensus-contracts#125)
• (Refactor) Small enhancements, refactoring and fixes (poanetwork/poa-network-consensus-contracts#122)
• (Refactor) Update solc to 0.4.24 and truffle to 4.1.11 (poanetwork/poa-network-consensus-contracts#106)
• (Feature) Unit tests and enhancements for Increased Emission Supply (poanetwork/poa-network-consensus-contracts#105)
• (Fix) MoC can be removed (poanetwork/poa-network-consensus-contracts#101)
• (Fix) Update web3 (poanetwork/poa-network-consensus-contracts#99)
• (Refactor) New smart contracts refactoring (poanetwork/poa-network-consensus-contracts#96)
• (Feature) Add BlockReward contract (poanetwork/poa-network-consensus-contracts#83)
• (Refactor) Code refactoring (poanetwork/poa-network-consensus-contracts#82)
• (Feature) Upgradable contracts (poanetwork/poa-network-consensus-contracts#81)
• (Fix) Some of proposals from auditors (poanetwork/poa-network-consensus-contracts#135)

Minor pull requests

• (Fix) Async wait for RewardByBlock contract address (poanetwork/poa-network-consensus-contracts#199)
• (Fix) 2_deploy_contract.js for correct deployment of RewardByBlock (poanetwork/poa-network-consensus-contracts#198)
• (Feature) POA solidity-flattener instead of Python solidity flattener (poanetwork/poa-network-consensus-contracts#194)
• (Fix) Update npm packages (poanetwork/poa-network-consensus-contracts#192)
• (Fix) A few enhancements in migrations/2_deploy_contract.js (poanetwork/poa-network-consensus-contracts#188)
• (Fix) Update README.md (poanetwork/poa-network-consensus-contracts#183)
• (Fix) Enhancements of migration scripts (poanetwork/poa-network-consensus-contracts#182)
• (Fix) Enhancement of VotingToManageEmissionFunds._finalize function (poanetwork/poa-network-consensus-contracts#181)
• (Refactor) Put address arguments at the end of argument list of functions (poanetwork/poa-network-consensus-contracts#178)
• (Refactor) Remove this and other code improvements (poanetwork/poa-network-consensus-contracts#175)
• (Fix) Replace uint8 with uint256 to reduce gas spending (poanetwork/poa-network-consensus-contracts#174)
• (Fix) Minor improvements of KeysManager and PoaNetworkConsensus.setProxyStorage (poanetwork/poa-network-consensus-contracts#173)
• (Fix) Remove theoretical reentrancy from VotingTo._createBallot method and other enhancements (poanetwork/poa-network-consensus-contracts#170)
• (Fix) Security enhancements of VotingToChange*.migrateBasicOne function (poanetwork/poa-network-consensus-contracts#169)
• (Fix) Deny using VotingToChange* functions unless migration is completed (poanetwork/poa-network-consensus-contracts#167)
• (Feature) Checking if a voting key is EOA or a contract in VotingToManageEmissionFunds (poanetwork/poa-network-consensus-contracts#165)
• (Refactor) Move implementation and version functions from EternalStorage to EternalStorageProxy (poanetwork/poa-network-consensus-contracts#163)
• (Refactor) Replace returns(address) with returns(interface) in several private functions (poanetwork/poa-network-consensus-contracts#162)
• (Fix) Using of BallotsStorage.getProxyThreshold in VotingToManageEmissionFunds (poanetwork/poa-network-consensus-contracts#160)
• (Fix) Replace abi.encodePacked with abi.encode (poanetwork/poa-network-consensus-contracts#159)
• (Fix) ValidatorMetadata contract enhancements (poanetwork/poa-network-consensus-contracts#157)
• (Fix) PoaNetworkConsensus con...

Release 1.0

Set of POA governance smart contracts before introducing upgradeability feature.
They were working on Sokol POA network before Sokol HF 2018-09-19
They were working on Core POA network before Core HF 2018-10-22

Release 0.1

Pre-Audit commit.