v4.0.0: Version 4.0.0 (#13)

New features

• NftStakingV2.sol:
  • added batchUnstakeNfts() function
  • internal hook functions _onStake and_onUnstake.
  • added withdrawLostCycleRewards for an admin to withdraw the rewards for a past cycle where there was no stake.
  • new events NftsBatchStaked and NftsBatchUnstaked emitted during batch operations instead of the single versions.
  • Batch functions throw on an empty tokens list.
  • Optimised implementation of batch staking.
  • GSN compatibility.

Improvements

• Dependencies updated to @animoca/[email protected] and @animoca/[email protected].

v3.0.4: Version 3.0.4 (#12)

Improvements

• Optimised the assignment of tokenInfos in _stakeNFT.

v3.0.3: Version 3.0.3 (#11)

Improvements

• Calibrated the re-stake exploit fix to only apply during the same cycle after unstaking.
• Improved the comments.

v3.0.2: Version 3.0.2 (#10)

Bugfixes

• Fixed an exploit that allowed the claiming of rewards for the cycle in which a token was unstaked.

v3.0.1: Merge pull request #9 from animocabrands/version-3.0.1

Improvements

• Gas optimisations, minor comments improvements.
• Linting configuration.
• Migrated to yarn.

v3.0.0: Certik recommendations round 3 (#8)

New features

• Added addRewardsForPeriods() function, which initializes or adds reward amounts for the specified period range. This will perform a transfer operation to fund the contract with the added rewards amount when called.
• Added contract interface IWhitelistedNftContract to define the API for the whitelisted contract used for NFT transfer operations when unstaking.

Breaking changes

• Removed setRewardsForPeriods() function.
• Funding the contract rewards no longer occurs when calling the start() function. Instead, this happens whenever addRewardsForPeriods() is called.
• Removed disabled state variable, for representing the contract enabled state, and replaced with enabled.
• Renamed RewardsScheduled event to RewardsAdded.
• Renamed totalPrizePool state variable to totalRewardsPool.

v2.0.1: Version 2.0.1 (#7)

New features

• The module now exports a constants and a utils object.
• Added a function to calculate a total rewards based on a rewards schedule.

Bugfixes

• Fixed a wrong import in the migration and restructured the script

v2.0.0: Version 2.0.0 (#5)

Breaking changes

• Updated @animoca/ethereum-contracts-core_library to version 3 and downgraded it to be a dev dependency.
• Updated @animoca/ethereum-contracts-erc20_base to version 3 and downgraded it to be a dev dependency.
• Updated @animoca/ethereum-contracts-assets_inventory to version 3 and downgraded it to be a dev dependency.
• Migrated compiler to solc:0.6.8.
• Design change to record staker histories with modification to public interfaces.
• Removed testable version of the contract.

Improvements

• Removed dependency on @animoca/f1dt-core_metadata.

v1.0.2: V1.0.2 (#3)

1.0.2 (04/05/2020)

Improvements

• Updated dependency on @animoca/ethereum-contracts-assets_inventory to 2.0.1.
• Change variables names in multiple files to be more generic.

v1.0.1

Improvements

• Added 1_NftStaking.js migration script