Contract

The FlowEpoch contract is the state machine that manages Epoch phases and emits service events. The FlowClusterQC and FlowDKG contracts manage the processes that happen during the Epoch Setup phase.

These contracts are all deployed to the same account as the FlowIDTableStaking contract.

Sources:

• FlowEpoch.cdc
• FlowClusterQC.cdc
• FlowDKG.cdc

Network	Contract Address
Emulator	0xf8d6e0586b0a20c7
Cadence Testing Framework	0x0000000000000001
Testnet	0x9eca2b38b18b5dfe
Mainnet	0x8624b52f9ddcd04a

Transactions

Get epoch info

These scripts are read-only and get info about the current state of the epoch contract.

ID	Name	Source
EP.01	Get Epoch Metadata	[epoch/get_epoch_metadata.cdc]
EP.02	Get Configurable Metadata	[epoch/get_config_metadata.cdc]
EP.03	Get Epoch Counter	[epoch/get_epoch_counter.cdc]
EP.04	Get Epoch Phase	[epoch/get_epoch_phase.cdc]

Quorum certificate transactions and scripts

ID	Name	Source
QC.01	Create QC Voter	[quorumCertificate/get_epoch_metadata.cdc]
QC.02	Submit QC Vote	[quorumCertificate/get_config_metadata.cdc]
QC.03	Get Collector Cluster	[quorumCertificate/scripts/get_cluster.cdc]
QC.04	Get QC Enabled	[quorumCertificate/scripts/get_qc_enabled.cdc]
QC.05	Get Node Has Voted	[quorumCertificate/scripts/get_node_has_voted.cdc]
QC.06	Get QC Voting Complete	[quorumCertificate/scripts/get_voting_completed.cdc]

DKG transactions and scripts

ID	Name	Source
DKG.01	Create DKG Participant	[dkg/create_participant.cdc]
DKG.02	Get Configurable Metadata	[dkg/send_whiteboard_message.cdc]
DKG.03	Send Final Submission	[dkg/send_final_submission.cdc]
DKG.04	Get DKG Enabled	[dkg/scripts/get_dkg_enabled.cdc]
DKG.05	Get DKG Completed	[dkg/scripts/get_dkg_completed.cdc]
DKG.06	Get Whiteboard Messages	[dkg/scripts/get_whiteboard_messages.cdc]
DKG.07	Get Final Submissions	[dkg/scripts/get_final_submissions.cdc]
DKG.08	Get Node Has Submitted	[dkg/scripts/get_node_has_submitted.cdc]

Events

See the epoch documentation for a list and documentation for important FlowEpoch events.

[epoch/get_epoch_metadata.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/epoch/scripts/get_epoch_metadata.cdc) [epoch/get_config_metadata.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/epoch/scripts/get_config_metadata.cdc [epoch/get_epoch_counter.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/epoch/scripts/get_epoch_counter.cdc [epoch/get_epoch_phase.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/epoch/scripts/get_epoch_phase.cdc)
[quorumCertificate/get_epoch_metadata.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/quorumCertificate/create_voter.cdc) [quorumCertificate/get_config_metadata.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/quorumCertificate/submit_vote.cdc [quorumCertificate/scripts/get_cluster.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/quorumCertificate/scripts/get_cluster.cdc [quorumCertificate/scripts/get_qc_enabled.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/quorumCertificate/scripts/get_qc_enabled.cdc [quorumCertificate/scripts/get_node_has_voted.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/quorumCertificate/scripts/get_node_has_voted.cdc [quorumCertificate/scripts/get_voting_completed.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/quorumCertificate/scripts/get_voting_completed.cdc [dkg/create_participant.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/dkg/create_participant.cdc [dkg/send_whiteboard_message.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/dkg/send_whiteboard_message.cdc [dkg/send_final_submission.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/dkg/send_final_submission.cdc [dkg/scripts/get_dkg_enabled.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/dkg/scripts/get_dkg_enabled.cdc [dkg/scripts/get_dkg_completed.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/dkg/scripts/get_dkg_completed.cdc [dkg/scripts/get_whiteboard_messages.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/dkg/scripts/get_whiteboard_messages.cdc [dkg/scripts/get_final_submissions.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/dkg/scripts/get_final_submissions.cdc [dkg/scripts/get_node_has_submitted.cdc]: https://github.com/onflow/flow-core-contracts/blob/master/transactions/dkg/scripts/get_node_has_submitted.cdc