Epoch Smart Contracts

This release contains updates to many of the core contracts to support Epochs.

FlowIDTableStaking.cdc

• Verifies staking and networking keys with the cadence crypto API
• Changes reward payment to calculate rewards separately from paying them

FlowClusterQC

• Adds the clusterQC contract, which facilitates cluster quorum certificate generation.
• See FLIP here: https://github.com/onflow/flow/blob/josh/epochflip/flips/20210113-quorum-certificate.md

FlowDKG

• Adds the DKG contract, which initializes the random beacon for the new epoch.
• See FLIP here: https://github.com/onflow/flow/blob/josh/epochflip/flips/20210322-dkg.md

FlowEpoch

• Adds the epoch contract, which acts as state machine to manage the epoch phases, including the staking auction, clusterQC, and DKG.
• See FLIP here: https://github.com/onflow/flow/blob/josh/epochflip/flips/20210607-epoch.md

FlowStakingCollection

• Updates the staking collection to support epochs
• Adds machine account creation to node registration
• See staking collection docs here: https://flow-docs-git-feature-epochs-onflow.vercel.app/staking/staking-collection/

LockedTokens

• Adds a borrowNode function to the LockedTokenManager resource to better facilitate the staking collection functionality

StakingProxy

• Adds a pre-condition to check nodeID length