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For Cadence 0.42 go to Legacy Docs

Contract

The FlowIDTableStaking contract is the central table that manages staked nodes, delegation and rewards.

Source: FlowIDTableStaking.cdc

NetworkContract Address
Emulator0xf8d6e0586b0a20c7
Cadence Testing Framework0x0000000000000001
Testnet0x9eca2b38b18b5dfe
Mainnet0x8624b52f9ddcd04a

Transactions and Scripts

Transactions for the staking contract are in the flow-core-contracts repo. Developers and users are advised to use the staking collection transactions to stake tokens instead of the basic transactions that are used for tests.

Getting Staking Info with Scripts​

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

IDNameSource
SC.01Get Delegation Cut PercentageidTableStaking/get_cut_percentage.cdc
SC.02Get Minimum Stake RequirementsidTableStaking/get_stake_requirements.cdc
SC.03Get Total Weekly Reward PayoutidTableStaking/get_weekly_payout.cdc
SC.04Get Current Staked Node TableidTableStaking/get_current_table.cdc
SC.05Get Proposed Staked Node TableidTableStaking/get_proposed_table.cdc
SC.06Get Total Flow StakedidTableStaking/get_total_staked.cdc
SC.07Get Total Flow Staked by Node TypeidTableStaking/get_total_staked_by_type.cdc
SC.08Get All Info about a single NodeIDidTableStaking/get_node_info.cdc
SC.09Get a node's total Commitment (delegators)idTableStaking/get_node_total_commitment.cdc
SC.10Get All Info about a single DelegatoridTableStaking/delegation/get_delegator_info.cdc
SC.11Get a node's total CommitmentidTableStaking/get_node_total_commitment_without_delegators.cdc

Delegator Transactions​

Documentation for delegating with tokens is described in the staking documentation for the staking collection

Events

The FlowIDTableStaking contract emits an event whenever an important action occurs. See the staking events Documentation for more information about each event.


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/// Epoch
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access(all) event NewEpoch(
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totalStaked: UFix64,
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totalRewardPayout: UFix64,
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newEpochCounter: UInt64
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)
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access(all) event EpochTotalRewardsPaid(
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total: UFix64,
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fromFees: UFix64,
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minted: UFix64,
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feesBurned: UFix64,
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epochCounterForRewards: UInt64
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)
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/// Node
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access(all) event NewNodeCreated(nodeID: String, role: UInt8, amountCommitted: UFix64)
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access(all) event TokensCommitted(nodeID: String, amount: UFix64)
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access(all) event TokensStaked(nodeID: String, amount: UFix64)
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access(all) event NodeTokensRequestedToUnstake(nodeID: String, amount: UFix64)
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access(all) event TokensUnstaking(nodeID: String, amount: UFix64)
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access(all) event TokensUnstaked(nodeID: String, amount: UFix64)
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access(all) event NodeRemovedAndRefunded(nodeID: String, amount: UFix64)
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access(all) event RewardsPaid(nodeID: String, amount: UFix64, epochCounter: UInt64)
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access(all) event UnstakedTokensWithdrawn(nodeID: String, amount: UFix64)
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access(all) event RewardTokensWithdrawn(nodeID: String, amount: UFix64)
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access(all) event NetworkingAddressUpdated(nodeID: String, newAddress: String)
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access(all) event NodeWeightChanged(nodeID: String, newWeight: UInt64)
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/// Delegator
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access(all) event NewDelegatorCreated(nodeID: String, delegatorID: UInt32)
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access(all) event DelegatorTokensCommitted(nodeID: String, delegatorID: UInt32, amount: UFix64)
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access(all) event DelegatorTokensStaked(nodeID: String, delegatorID: UInt32, amount: UFix64)
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access(all) event DelegatorTokensRequestedToUnstake(nodeID: String, delegatorID: UInt32, amount: UFix64)
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access(all) event DelegatorTokensUnstaking(nodeID: String, delegatorID: UInt32, amount: UFix64)
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access(all) event DelegatorTokensUnstaked(nodeID: String, delegatorID: UInt32, amount: UFix64)
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access(all) event DelegatorRewardsPaid(nodeID: String, delegatorID: UInt32, amount: UFix64, epochCounter: UInt64)
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access(all) event DelegatorUnstakedTokensWithdrawn(nodeID: String, delegatorID: UInt32, amount: UFix64)
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access(all) event DelegatorRewardTokensWithdrawn(nodeID: String, delegatorID: UInt32, amount: UFix64)
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/// Contract Fields
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access(all) event NewDelegatorCutPercentage(newCutPercentage: UFix64)
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access(all) event NewWeeklyPayout(newPayout: UFix64)
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access(all) event NewStakingMinimums(newMinimums: {UInt8: UFix64})
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access(all) event NewDelegatorStakingMinimum(newMinimum: UFix64)