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generator-impl-v4.go
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generator-impl-v4.go
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package rewards
import (
"context"
"fmt"
"math/big"
"sort"
"time"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/rocket-pool/rocketpool-go/dao/trustednode"
"github.com/rocket-pool/rocketpool-go/minipool"
"github.com/rocket-pool/rocketpool-go/network"
"github.com/rocket-pool/rocketpool-go/node"
"github.com/rocket-pool/rocketpool-go/rewards"
"github.com/rocket-pool/rocketpool-go/rocketpool"
"github.com/rocket-pool/rocketpool-go/settings/protocol"
tnsettings "github.com/rocket-pool/rocketpool-go/settings/trustednode"
rptypes "github.com/rocket-pool/rocketpool-go/types"
"github.com/rocket-pool/rocketpool-go/utils/eth"
"github.com/rocket-pool/smartnode/shared/services/beacon"
"github.com/rocket-pool/smartnode/shared/services/config"
"github.com/rocket-pool/smartnode/shared/services/state"
"github.com/rocket-pool/smartnode/shared/utils/log"
"golang.org/x/sync/errgroup"
)
// Implementation for tree generator ruleset v4
type treeGeneratorImpl_v4 struct {
rewardsFile *RewardsFile_v1
elSnapshotHeader *types.Header
log *log.ColorLogger
logPrefix string
rp *rocketpool.RocketPool
cfg *config.RocketPoolConfig
bc beacon.Client
opts *bind.CallOpts
nodeAddresses []common.Address
nodeDetails []*NodeSmoothingDetails
smoothingPoolBalance *big.Int
smoothingPoolAddress common.Address
intervalDutiesInfo *IntervalDutiesInfo
slotsPerEpoch uint64
validatorIndexMap map[string]*MinipoolInfo
elStartTime time.Time
elEndTime time.Time
validNetworkCache map[uint64]bool
epsilon *big.Int
intervalSeconds *big.Int
beaconConfig beacon.Eth2Config
stakingMinipoolMap map[common.Address][]minipool.MinipoolDetails
validatorStatusMap map[rptypes.ValidatorPubkey]beacon.ValidatorStatus
rplPrice *big.Int
minCollateralFraction *big.Int
maxCollateralFraction *big.Int
stakingMinipoolPubkeys []rptypes.ValidatorPubkey
nodeStakes []*big.Int
}
// Create a new tree generator
func newTreeGeneratorImpl_v4(log *log.ColorLogger, logPrefix string, index uint64, startTime time.Time, endTime time.Time, consensusBlock uint64, elSnapshotHeader *types.Header, intervalsPassed uint64) *treeGeneratorImpl_v4 {
return &treeGeneratorImpl_v4{
rewardsFile: &RewardsFile_v1{
RewardsFileHeader: &RewardsFileHeader{
RewardsFileVersion: 1,
RulesetVersion: 4,
Index: index,
StartTime: startTime.UTC(),
EndTime: endTime.UTC(),
ConsensusEndBlock: consensusBlock,
ExecutionEndBlock: elSnapshotHeader.Number.Uint64(),
IntervalsPassed: intervalsPassed,
InvalidNetworkNodes: map[common.Address]uint64{},
TotalRewards: &TotalRewards{
ProtocolDaoRpl: NewQuotedBigInt(0),
TotalCollateralRpl: NewQuotedBigInt(0),
TotalOracleDaoRpl: NewQuotedBigInt(0),
TotalSmoothingPoolEth: NewQuotedBigInt(0),
PoolStakerSmoothingPoolEth: NewQuotedBigInt(0),
NodeOperatorSmoothingPoolEth: NewQuotedBigInt(0),
},
NetworkRewards: map[uint64]*NetworkRewardsInfo{},
},
NodeRewards: map[common.Address]*NodeRewardsInfo_v1{},
MinipoolPerformanceFile: MinipoolPerformanceFile_v1{
Index: index,
StartTime: startTime.UTC(),
EndTime: endTime.UTC(),
ConsensusEndBlock: consensusBlock,
ExecutionEndBlock: elSnapshotHeader.Number.Uint64(),
MinipoolPerformance: map[common.Address]*SmoothingPoolMinipoolPerformance_v1{},
},
},
stakingMinipoolMap: map[common.Address][]minipool.MinipoolDetails{},
validatorStatusMap: map[rptypes.ValidatorPubkey]beacon.ValidatorStatus{},
elSnapshotHeader: elSnapshotHeader,
log: log,
logPrefix: logPrefix,
}
}
// Get the version of the ruleset used by this generator
func (r *treeGeneratorImpl_v4) getRulesetVersion() uint64 {
return r.rewardsFile.RulesetVersion
}
func (r *treeGeneratorImpl_v4) generateTree(rp *rocketpool.RocketPool, cfg *config.RocketPoolConfig, bc beacon.Client) (IRewardsFile, error) {
r.log.Printlnf("%s Generating tree using Ruleset v%d.", r.logPrefix, r.rewardsFile.RulesetVersion)
// Provision some struct params
r.rp = rp
r.cfg = cfg
r.bc = bc
r.validNetworkCache = map[uint64]bool{
0: true,
}
// Set the network name
r.rewardsFile.Network = fmt.Sprint(cfg.Smartnode.Network.Value)
r.rewardsFile.MinipoolPerformanceFile.Network = r.rewardsFile.Network
// Get the Beacon config
var err error
r.beaconConfig, err = r.bc.GetEth2Config()
if err != nil {
return nil, err
}
r.slotsPerEpoch = r.beaconConfig.SlotsPerEpoch
// Get the addresses for all nodes
r.opts = &bind.CallOpts{
BlockNumber: r.elSnapshotHeader.Number,
}
nodeAddresses, err := node.GetNodeAddresses(rp, r.opts)
if err != nil {
return nil, fmt.Errorf("Error getting node addresses: %w", err)
}
r.log.Printlnf("%s Creating tree for %d nodes", r.logPrefix, len(nodeAddresses))
r.nodeAddresses = nodeAddresses
// Get the minipool count - this will be used for an error epsilon due to division truncation
minipoolCount, err := minipool.GetMinipoolCount(rp, r.opts)
if err != nil {
return nil, fmt.Errorf("Error getting minipool count: %w", err)
}
r.epsilon = big.NewInt(int64(minipoolCount))
// Create the minipool details cache
err = r.cacheMinipoolDetails()
if err != nil {
return nil, fmt.Errorf("Error caching minipool details: %w", err)
}
// Calculate the RPL rewards
err = r.calculateRplRewards()
if err != nil {
return nil, fmt.Errorf("Error calculating RPL rewards: %w", err)
}
// Calculate the ETH rewards
err = r.calculateEthRewards(true)
if err != nil {
return nil, fmt.Errorf("Error calculating ETH rewards: %w", err)
}
// Calculate the network reward map and the totals
r.updateNetworksAndTotals()
// Generate the Merkle Tree
err = r.rewardsFile.generateMerkleTree()
if err != nil {
return nil, fmt.Errorf("Error generating Merkle tree: %w", err)
}
// Sort all of the missed attestations so the files are always generated in the same state
for _, minipoolInfo := range r.rewardsFile.MinipoolPerformanceFile.MinipoolPerformance {
sort.Slice(minipoolInfo.MissingAttestationSlots, func(i, j int) bool {
return minipoolInfo.MissingAttestationSlots[i] < minipoolInfo.MissingAttestationSlots[j]
})
}
return r.rewardsFile, nil
}
// Quickly calculates an approximate of the staker's share of the smoothing pool balance without processing Beacon performance
// Used for approximate returns in the rETH ratio update
func (r *treeGeneratorImpl_v4) approximateStakerShareOfSmoothingPool(rp *rocketpool.RocketPool, cfg *config.RocketPoolConfig, bc beacon.Client) (*big.Int, error) {
r.log.Printlnf("%s Approximating tree using Ruleset v%d.", r.logPrefix, r.rewardsFile.RulesetVersion)
r.rp = rp
r.cfg = cfg
r.bc = bc
r.validNetworkCache = map[uint64]bool{
0: true,
}
// Set the network name
r.rewardsFile.Network = fmt.Sprint(cfg.Smartnode.Network.Value)
r.rewardsFile.MinipoolPerformanceFile.Network = r.rewardsFile.Network
// Get the Beacon config
var err error
r.beaconConfig, err = r.bc.GetEth2Config()
if err != nil {
return nil, err
}
r.slotsPerEpoch = r.beaconConfig.SlotsPerEpoch
// Get the addresses for all nodes
r.opts = &bind.CallOpts{
BlockNumber: r.elSnapshotHeader.Number,
}
nodeAddresses, err := node.GetNodeAddresses(rp, r.opts)
if err != nil {
return nil, fmt.Errorf("Error getting node addresses: %w", err)
}
r.log.Printlnf("%s Creating tree for %d nodes", r.logPrefix, len(nodeAddresses))
r.nodeAddresses = nodeAddresses
// Get the minipool count - this will be used for an error epsilon due to division truncation
minipoolCount, err := minipool.GetMinipoolCount(rp, r.opts)
if err != nil {
return nil, fmt.Errorf("Error getting minipool count: %w", err)
}
r.epsilon = big.NewInt(int64(minipoolCount))
// Create the minipool details cache
err = r.cacheMinipoolDetails()
if err != nil {
return nil, fmt.Errorf("Error caching minipool details: %w", err)
}
// Calculate the ETH rewards
err = r.calculateEthRewards(false)
if err != nil {
return nil, fmt.Errorf("error calculating ETH rewards: %w", err)
}
return &r.rewardsFile.TotalRewards.PoolStakerSmoothingPoolEth.Int, nil
}
// Calculates the per-network distribution amounts and the total reward amounts
func (r *treeGeneratorImpl_v4) updateNetworksAndTotals() {
// Get the highest network index with valid rewards
highestNetworkIndex := uint64(0)
for network := range r.rewardsFile.NetworkRewards {
if network > highestNetworkIndex {
highestNetworkIndex = network
}
}
// Create the map for each network, including unused ones
for network := uint64(0); network <= highestNetworkIndex; network++ {
rewardsForNetwork, exists := r.rewardsFile.NetworkRewards[network]
if !exists {
rewardsForNetwork = &NetworkRewardsInfo{
CollateralRpl: NewQuotedBigInt(0),
OracleDaoRpl: NewQuotedBigInt(0),
SmoothingPoolEth: NewQuotedBigInt(0),
}
r.rewardsFile.NetworkRewards[network] = rewardsForNetwork
}
}
}
// Calculates the RPL rewards for the given interval
func (r *treeGeneratorImpl_v4) calculateRplRewards() error {
snapshotBlockTime := time.Unix(int64(r.elSnapshotHeader.Time), 0)
intervalDuration, err := state.GetClaimIntervalTime(r.cfg, r.rewardsFile.Index, r.rp, r.opts)
if err != nil {
return fmt.Errorf("error getting required registration time: %w", err)
}
// Get the RPL min and max collateral stats
r.rplPrice, err = network.GetRPLPrice(r.rp, r.opts)
if err != nil {
return fmt.Errorf("error getting RPL price ratio: %w", err)
}
r.minCollateralFraction, err = protocol.GetMinimumPerMinipoolStakeRaw(r.rp, r.opts)
if err != nil {
return fmt.Errorf("error getting minimum per minipool stake: %w", err)
}
r.maxCollateralFraction, err = protocol.GetMaximumPerMinipoolStakeRaw(r.rp, r.opts)
if err != nil {
return fmt.Errorf("error getting maximum per minipool stake: %w", err)
}
// Handle node operator rewards
nodeOpPercent, err := state.GetNodeOperatorRewardsPercent(r.cfg, r.rewardsFile.Index, r.rp, r.opts)
if err != nil {
return err
}
pendingRewards, err := state.GetPendingRPLRewards(r.cfg, r.rewardsFile.Index, r.rp, r.opts)
if err != nil {
return err
}
r.log.Printlnf("%s Pending RPL rewards: %s (%.3f)", r.logPrefix, pendingRewards.String(), eth.WeiToEth(pendingRewards))
totalNodeRewards := big.NewInt(0)
totalNodeRewards.Mul(pendingRewards, nodeOpPercent)
totalNodeRewards.Div(totalNodeRewards, eth.EthToWei(1))
r.log.Printlnf("%s Approx. total collateral RPL rewards: %s (%.3f)", r.logPrefix, totalNodeRewards.String(), eth.WeiToEth(totalNodeRewards))
// Get the effective stakes of each node
effectiveStakes, err := r.getNodeEffectiveRPLStakes()
if err != nil {
return fmt.Errorf("error calculating effective RPL stakes: %w", err)
}
// Calculate the true effective stake of each node based on their participation in this interval
totalNodeEffectiveStake := big.NewInt(0)
trueNodeEffectiveStakes := map[common.Address]*big.Int{}
intervalDurationBig := big.NewInt(int64(intervalDuration.Seconds()))
r.log.Printlnf("%s Calculating true total collateral rewards (progress is reported every 100 nodes)", r.logPrefix)
nodesDone := 0
startTime := time.Now()
nodeCount := len(r.nodeAddresses)
for i, address := range r.nodeAddresses {
if nodesDone == 100 {
timeTaken := time.Since(startTime)
r.log.Printlnf("%s On Node %d of %d (%.2f%%)... (%s so far)", r.logPrefix, i, nodeCount, float64(i)/float64(nodeCount)*100.0, timeTaken)
nodesDone = 0
}
// Get the node's effective stake
nodeStake := effectiveStakes[i]
// Get the timestamp of the node's registration
regTime, err := node.GetNodeRegistrationTime(r.rp, address, r.opts)
if err != nil {
return fmt.Errorf("error getting registration time for node %s: %w", address, err)
}
// Get the actual effective stake, scaled based on participation
eligibleDuration := snapshotBlockTime.Sub(regTime)
if eligibleDuration < intervalDuration {
eligibleSeconds := big.NewInt(int64(eligibleDuration / time.Second))
nodeStake.Mul(nodeStake, eligibleSeconds)
nodeStake.Div(nodeStake, intervalDurationBig)
}
trueNodeEffectiveStakes[address] = nodeStake
// Add it to the total
totalNodeEffectiveStake.Add(totalNodeEffectiveStake, nodeStake)
nodesDone++
}
r.log.Printlnf("%s Calculating individual collateral rewards (progress is reported every 100 nodes)", r.logPrefix)
nodesDone = 0
startTime = time.Now()
for i, address := range r.nodeAddresses {
if nodesDone == 100 {
timeTaken := time.Since(startTime)
r.log.Printlnf("%s On Node %d of %d (%.2f%%)... (%s so far)", r.logPrefix, i, nodeCount, float64(i)/float64(nodeCount)*100.0, timeTaken)
nodesDone = 0
}
// Get how much RPL goes to this node: (true effective stake) * (total node rewards) / (total true effective stake)
nodeRplRewards := big.NewInt(0)
nodeRplRewards.Mul(trueNodeEffectiveStakes[address], totalNodeRewards)
if totalNodeEffectiveStake.Cmp(big.NewInt(0)) > 0 {
nodeRplRewards.Div(nodeRplRewards, totalNodeEffectiveStake)
}
// If there are pending rewards, add it to the map
if nodeRplRewards.Cmp(big.NewInt(0)) == 1 {
rewardsForNode, exists := r.rewardsFile.NodeRewards[address]
if !exists {
// Get the network the rewards should go to
network, err := node.GetRewardNetwork(r.rp, address, r.opts)
if err != nil {
return err
}
validNetwork, err := r.validateNetwork(network)
if err != nil {
return err
}
if !validNetwork {
r.rewardsFile.InvalidNetworkNodes[address] = network
network = 0
}
rewardsForNode = &NodeRewardsInfo_v1{
RewardNetwork: network,
CollateralRpl: NewQuotedBigInt(0),
OracleDaoRpl: NewQuotedBigInt(0),
SmoothingPoolEth: NewQuotedBigInt(0),
}
r.rewardsFile.NodeRewards[address] = rewardsForNode
}
rewardsForNode.CollateralRpl.Add(&rewardsForNode.CollateralRpl.Int, nodeRplRewards)
// Add the rewards to the running total for the specified network
rewardsForNetwork, exists := r.rewardsFile.NetworkRewards[rewardsForNode.RewardNetwork]
if !exists {
rewardsForNetwork = &NetworkRewardsInfo{
CollateralRpl: NewQuotedBigInt(0),
OracleDaoRpl: NewQuotedBigInt(0),
SmoothingPoolEth: NewQuotedBigInt(0),
}
r.rewardsFile.NetworkRewards[rewardsForNode.RewardNetwork] = rewardsForNetwork
}
rewardsForNetwork.CollateralRpl.Add(&rewardsForNetwork.CollateralRpl.Int, nodeRplRewards)
}
nodesDone++
}
// Sanity check to make sure we arrived at the correct total
delta := big.NewInt(0)
totalCalculatedNodeRewards := big.NewInt(0)
for _, networkRewards := range r.rewardsFile.NetworkRewards {
totalCalculatedNodeRewards.Add(totalCalculatedNodeRewards, &networkRewards.CollateralRpl.Int)
}
delta.Sub(totalNodeRewards, totalCalculatedNodeRewards).Abs(delta)
if totalNodeEffectiveStake.Cmp(big.NewInt(0)) > 0 {
if delta.Cmp(r.epsilon) == 1 {
return fmt.Errorf("error calculating collateral RPL: total was %s, but expected %s; error was too large", totalCalculatedNodeRewards.String(), totalNodeRewards.String())
}
}
r.rewardsFile.TotalRewards.TotalCollateralRpl.Int = *totalCalculatedNodeRewards
r.log.Printlnf("%s Calculated rewards: %s (error = %s wei)", r.logPrefix, totalCalculatedNodeRewards.String(), delta.String())
// Handle Oracle DAO rewards
oDaoPercent, err := state.GetTrustedNodeOperatorRewardsPercent(r.cfg, r.rewardsFile.Index, r.rp, r.opts)
if err != nil {
return err
}
totalODaoRewards := big.NewInt(0)
totalODaoRewards.Mul(pendingRewards, oDaoPercent)
totalODaoRewards.Div(totalODaoRewards, eth.EthToWei(1))
r.log.Printlnf("%s Total Oracle DAO RPL rewards: %s (%.3f)", r.logPrefix, totalODaoRewards.String(), eth.WeiToEth(totalODaoRewards))
oDaoAddresses, err := trustednode.GetMemberAddresses(r.rp, r.opts)
if err != nil {
return err
}
// Calculate the true effective time of each oDAO node based on their participation in this interval
totalODaoNodeTime := big.NewInt(0)
trueODaoNodeTimes := map[common.Address]*big.Int{}
for _, address := range oDaoAddresses {
// Get the timestamp of the node's registration
regTime, err := node.GetNodeRegistrationTime(r.rp, address, r.opts)
if err != nil {
return fmt.Errorf("error getting registration time for node %s: %w", address, err)
}
// Get the actual effective time, scaled based on participation
participationTime := big.NewInt(0).Set(intervalDurationBig)
eligibleDuration := snapshotBlockTime.Sub(regTime)
if eligibleDuration < intervalDuration {
participationTime = big.NewInt(int64(eligibleDuration.Seconds()))
}
trueODaoNodeTimes[address] = participationTime
// Add it to the total
totalODaoNodeTime.Add(totalODaoNodeTime, participationTime)
}
for _, address := range oDaoAddresses {
// Calculate the oDAO rewards for the node: (participation time) * (total oDAO rewards) / (total participation time)
individualOdaoRewards := big.NewInt(0)
individualOdaoRewards.Mul(trueODaoNodeTimes[address], totalODaoRewards)
individualOdaoRewards.Div(individualOdaoRewards, totalODaoNodeTime)
rewardsForNode, exists := r.rewardsFile.NodeRewards[address]
if !exists {
// Get the network the rewards should go to
network, err := node.GetRewardNetwork(r.rp, address, r.opts)
if err != nil {
return err
}
validNetwork, err := r.validateNetwork(network)
if err != nil {
return err
}
if !validNetwork {
r.rewardsFile.InvalidNetworkNodes[address] = network
network = 0
}
rewardsForNode = &NodeRewardsInfo_v1{
RewardNetwork: network,
CollateralRpl: NewQuotedBigInt(0),
OracleDaoRpl: NewQuotedBigInt(0),
SmoothingPoolEth: NewQuotedBigInt(0),
}
r.rewardsFile.NodeRewards[address] = rewardsForNode
}
rewardsForNode.OracleDaoRpl.Add(&rewardsForNode.OracleDaoRpl.Int, individualOdaoRewards)
// Add the rewards to the running total for the specified network
rewardsForNetwork, exists := r.rewardsFile.NetworkRewards[rewardsForNode.RewardNetwork]
if !exists {
rewardsForNetwork = &NetworkRewardsInfo{
CollateralRpl: NewQuotedBigInt(0),
OracleDaoRpl: NewQuotedBigInt(0),
SmoothingPoolEth: NewQuotedBigInt(0),
}
r.rewardsFile.NetworkRewards[rewardsForNode.RewardNetwork] = rewardsForNetwork
}
rewardsForNetwork.OracleDaoRpl.Add(&rewardsForNetwork.OracleDaoRpl.Int, individualOdaoRewards)
}
// Sanity check to make sure we arrived at the correct total
if big.NewInt(int64(len(oDaoAddresses))).Cmp(r.epsilon) > 0 {
r.epsilon.SetUint64(uint64(len(oDaoAddresses)))
}
totalCalculatedOdaoRewards := big.NewInt(0)
delta = big.NewInt(0)
for _, networkRewards := range r.rewardsFile.NetworkRewards {
totalCalculatedOdaoRewards.Add(totalCalculatedOdaoRewards, &networkRewards.OracleDaoRpl.Int)
}
delta.Sub(totalODaoRewards, totalCalculatedOdaoRewards).Abs(delta)
if delta.Cmp(r.epsilon) == 1 {
return fmt.Errorf("error calculating ODao RPL: total was %s, but expected %s; error was too large", totalCalculatedOdaoRewards.String(), totalODaoRewards.String())
}
r.rewardsFile.TotalRewards.TotalOracleDaoRpl.Int = *totalCalculatedOdaoRewards
r.log.Printlnf("%s Calculated rewards: %s (error = %s wei)", r.logPrefix, totalCalculatedOdaoRewards.String(), delta.String())
// Get expected Protocol DAO rewards
pDaoPercent, err := state.GetProtocolDaoRewardsPercent(r.cfg, r.rewardsFile.Index, r.rp, r.opts)
if err != nil {
return err
}
pDaoRewards := NewQuotedBigInt(0)
pDaoRewards.Mul(pendingRewards, pDaoPercent)
pDaoRewards.Div(&pDaoRewards.Int, eth.EthToWei(1))
r.log.Printlnf("%s Expected Protocol DAO rewards: %s (%.3f)", r.logPrefix, pDaoRewards.String(), eth.WeiToEth(&pDaoRewards.Int))
// Get actual protocol DAO rewards
pDaoRewards.Sub(pendingRewards, totalCalculatedNodeRewards)
pDaoRewards.Sub(&pDaoRewards.Int, totalCalculatedOdaoRewards)
r.rewardsFile.TotalRewards.ProtocolDaoRpl = pDaoRewards
r.log.Printlnf("%s Actual Protocol DAO rewards: %s to account for truncation", r.logPrefix, pDaoRewards.String())
return nil
}
// Calculates the ETH rewards for the given interval
func (r *treeGeneratorImpl_v4) calculateEthRewards(checkBeaconPerformance bool) error {
// Get the Smoothing Pool contract's balance
smoothingPoolContract, err := r.rp.GetContract("rocketSmoothingPool", r.opts)
if err != nil {
return fmt.Errorf("error getting smoothing pool contract: %w", err)
}
r.smoothingPoolAddress = *smoothingPoolContract.Address
r.smoothingPoolBalance, err = r.rp.Client.BalanceAt(context.Background(), *smoothingPoolContract.Address, r.elSnapshotHeader.Number)
if err != nil {
return fmt.Errorf("error getting smoothing pool balance: %w", err)
}
r.log.Printlnf("%s Smoothing Pool Balance: %s (%.3f)", r.logPrefix, r.smoothingPoolBalance.String(), eth.WeiToEth(r.smoothingPoolBalance))
// Ignore the ETH calculation if there are no rewards
if r.smoothingPoolBalance.Cmp(big.NewInt(0)) == 0 {
return nil
}
if r.rewardsFile.Index == 0 {
// This is the first interval, Smoothing Pool rewards are ignored on the first interval since it doesn't have a discrete start time
return nil
}
// Get the start time of this interval based on the event from the previous one
previousIntervalEvent, err := GetRewardSnapshotEvent(r.rp, r.cfg, r.rewardsFile.Index-1, r.opts)
if err != nil {
return err
}
startElBlockHeader, err := r.getStartBlocksForInterval(previousIntervalEvent)
if err != nil {
return err
}
r.elStartTime = time.Unix(int64(startElBlockHeader.Time), 0)
r.elEndTime = time.Unix(int64(r.elSnapshotHeader.Time), 0)
r.intervalSeconds = big.NewInt(int64(r.elEndTime.Sub(r.elStartTime) / time.Second))
// Get the details for nodes eligible for Smoothing Pool rewards
// This should be all of the eth1 calls, so do them all at the start of Smoothing Pool calculation to prevent the need for an archive node during normal operations
err = r.getSmoothingPoolNodeDetails()
if err != nil {
return err
}
eligible := 0
for _, nodeInfo := range r.nodeDetails {
if nodeInfo.IsEligible {
eligible++
}
}
r.log.Printlnf("%s %d / %d nodes were eligible for Smoothing Pool rewards", r.logPrefix, eligible, len(r.nodeDetails))
// Process the attestation performance for each minipool during this interval
r.intervalDutiesInfo = &IntervalDutiesInfo{
Index: r.rewardsFile.Index,
Slots: map[uint64]*SlotInfo{},
}
if checkBeaconPerformance {
err = r.processAttestationsForInterval()
if err != nil {
return err
}
} else {
// Attestation processing is disabled, just give each minipool 1 good attestation and complete slot activity so they're all scored the same
// Used for approximating rETH's share during balances calculation
for _, nodeInfo := range r.nodeDetails {
if nodeInfo.IsEligible {
for _, minipool := range nodeInfo.Minipools {
minipool.GoodAttestations = 1
minipool.StartSlot = r.rewardsFile.ConsensusStartBlock
minipool.EndSlot = r.rewardsFile.ConsensusEndBlock
}
}
}
}
// Determine how much ETH each node gets and how much the pool stakers get
poolStakerETH, nodeOpEth, err := r.calculateNodeRewards()
if err != nil {
return err
}
// Update the rewards maps
for _, nodeInfo := range r.nodeDetails {
if nodeInfo.IsEligible && nodeInfo.SmoothingPoolEth.Cmp(big.NewInt(0)) > 0 {
rewardsForNode, exists := r.rewardsFile.NodeRewards[nodeInfo.Address]
if !exists {
network := nodeInfo.RewardsNetwork
validNetwork, err := r.validateNetwork(network)
if err != nil {
return err
}
if !validNetwork {
r.rewardsFile.InvalidNetworkNodes[nodeInfo.Address] = network
network = 0
}
rewardsForNode = &NodeRewardsInfo_v1{
RewardNetwork: network,
CollateralRpl: NewQuotedBigInt(0),
OracleDaoRpl: NewQuotedBigInt(0),
SmoothingPoolEth: NewQuotedBigInt(0),
}
r.rewardsFile.NodeRewards[nodeInfo.Address] = rewardsForNode
}
rewardsForNode.SmoothingPoolEth.Add(&rewardsForNode.SmoothingPoolEth.Int, nodeInfo.SmoothingPoolEth)
rewardsForNode.SmoothingPoolEligibilityRate = float64(nodeInfo.EndSlot-nodeInfo.StartSlot) / float64(r.rewardsFile.ConsensusEndBlock-r.rewardsFile.ConsensusStartBlock)
// Add minipool rewards to the JSON
for _, minipoolInfo := range nodeInfo.Minipools {
performance := &SmoothingPoolMinipoolPerformance_v1{
Pubkey: minipoolInfo.ValidatorPubkey.Hex(),
StartSlot: minipoolInfo.StartSlot,
EndSlot: minipoolInfo.EndSlot,
ActiveFraction: float64(minipoolInfo.EndSlot-minipoolInfo.StartSlot) / float64(r.rewardsFile.ConsensusEndBlock-r.rewardsFile.ConsensusStartBlock),
SuccessfulAttestations: minipoolInfo.GoodAttestations,
MissedAttestations: minipoolInfo.MissedAttestations,
EthEarned: eth.WeiToEth(minipoolInfo.MinipoolShare),
MissingAttestationSlots: []uint64{},
}
if minipoolInfo.GoodAttestations+minipoolInfo.MissedAttestations == 0 {
performance.ParticipationRate = 0
} else {
performance.ParticipationRate = float64(minipoolInfo.GoodAttestations) / float64(minipoolInfo.GoodAttestations+minipoolInfo.MissedAttestations)
}
for slot := range minipoolInfo.MissingAttestationSlots {
performance.MissingAttestationSlots = append(performance.MissingAttestationSlots, slot)
}
r.rewardsFile.MinipoolPerformanceFile.MinipoolPerformance[minipoolInfo.Address] = performance
}
// Add the rewards to the running total for the specified network
rewardsForNetwork, exists := r.rewardsFile.NetworkRewards[rewardsForNode.RewardNetwork]
if !exists {
rewardsForNetwork = &NetworkRewardsInfo{
CollateralRpl: NewQuotedBigInt(0),
OracleDaoRpl: NewQuotedBigInt(0),
SmoothingPoolEth: NewQuotedBigInt(0),
}
r.rewardsFile.NetworkRewards[rewardsForNode.RewardNetwork] = rewardsForNetwork
}
rewardsForNetwork.SmoothingPoolEth.Add(&rewardsForNetwork.SmoothingPoolEth.Int, nodeInfo.SmoothingPoolEth)
}
}
// Set the totals
r.rewardsFile.TotalRewards.PoolStakerSmoothingPoolEth.Int = *poolStakerETH
r.rewardsFile.TotalRewards.NodeOperatorSmoothingPoolEth.Int = *nodeOpEth
r.rewardsFile.TotalRewards.TotalSmoothingPoolEth.Int = *r.smoothingPoolBalance
return nil
}
// Calculate the distribution of Smoothing Pool ETH to each node
func (r *treeGeneratorImpl_v4) calculateNodeRewards() (*big.Int, *big.Int, error) {
// Get the average fee for all eligible minipools and calculate their weighted share
one := big.NewInt(1e18) // 100%, used for dividing percentages properly
feeTotal := big.NewInt(0)
minipoolCount := int64(0)
minipoolShareTotal := big.NewInt(0)
intervalSlots := r.rewardsFile.ConsensusEndBlock - r.rewardsFile.ConsensusStartBlock
intervalSlotsBig := big.NewInt(int64(intervalSlots))
for _, nodeInfo := range r.nodeDetails {
if nodeInfo.IsEligible {
for _, minipool := range nodeInfo.Minipools {
if minipool.GoodAttestations+minipool.MissedAttestations == 0 || !minipool.WasActive {
// Ignore minipools that weren't active for the interval
minipool.StartSlot = 0
minipool.EndSlot = 0
minipool.WasActive = false
minipool.MinipoolShare = big.NewInt(0)
continue
}
// Used for average fee calculation
feeTotal.Add(feeTotal, minipool.Fee)
minipoolCount++
// Minipool share calculation
minipoolShare := big.NewInt(0).Add(one, minipool.Fee) // Start with 1 + fee
if uint64(minipool.EndSlot-minipool.StartSlot) < intervalSlots {
// Prorate the minipool based on its number of active slots
activeSlots := big.NewInt(int64(minipool.EndSlot - minipool.StartSlot))
minipoolShare.Mul(minipoolShare, activeSlots)
minipoolShare.Div(minipoolShare, intervalSlotsBig)
}
if minipool.MissedAttestations > 0 {
// Calculate the participation rate if there are any missed attestations
goodCount := big.NewInt(int64(minipool.GoodAttestations))
missedCount := big.NewInt(int64(minipool.MissedAttestations))
totalCount := big.NewInt(0).Add(goodCount, missedCount)
minipoolShare.Mul(minipoolShare, goodCount)
minipoolShare.Div(minipoolShare, totalCount)
}
minipoolShareTotal.Add(minipoolShareTotal, minipoolShare)
minipool.MinipoolShare = minipoolShare
}
}
}
averageFee := big.NewInt(0).Div(feeTotal, big.NewInt(minipoolCount))
r.log.Printlnf("%s Fee Total: %s (%.3f)", r.logPrefix, feeTotal.String(), eth.WeiToEth(feeTotal))
r.log.Printlnf("%s Minipool Count: %d", r.logPrefix, minipoolCount)
r.log.Printlnf("%s Average Fee: %s (%.3f)", r.logPrefix, averageFee.String(), eth.WeiToEth(averageFee))
// Calculate the staking pool share and the node op share
halfSmoothingPool := big.NewInt(0).Div(r.smoothingPoolBalance, big.NewInt(2))
commission := big.NewInt(0)
commission.Mul(halfSmoothingPool, averageFee)
commission.Div(commission, one)
poolStakerShare := big.NewInt(0).Sub(halfSmoothingPool, commission)
nodeOpShare := big.NewInt(0).Sub(r.smoothingPoolBalance, poolStakerShare)
// Calculate the amount of ETH to give each minipool based on their share
totalEthForMinipools := big.NewInt(0)
for _, nodeInfo := range r.nodeDetails {
nodeInfo.SmoothingPoolEth = big.NewInt(0)
if nodeInfo.IsEligible {
for _, minipool := range nodeInfo.Minipools {
if minipool.EndSlot-minipool.StartSlot == 0 {
continue
}
// Minipool ETH = NO amount * minipool share / total minipool share
minipoolEth := big.NewInt(0).Set(nodeOpShare)
minipoolEth.Mul(minipoolEth, minipool.MinipoolShare)
minipoolEth.Div(minipoolEth, minipoolShareTotal)
nodeInfo.SmoothingPoolEth.Add(nodeInfo.SmoothingPoolEth, minipoolEth)
minipool.MinipoolShare = minipoolEth // Set the minipool share to the normalized fraction for the JSON
}
totalEthForMinipools.Add(totalEthForMinipools, nodeInfo.SmoothingPoolEth)
}
}
// This is how much actually goes to the pool stakers - it should ideally be equal to poolStakerShare but this accounts for any cumulative floating point errors
truePoolStakerAmount := big.NewInt(0).Sub(r.smoothingPoolBalance, totalEthForMinipools)
// Sanity check to make sure we arrived at the correct total
delta := big.NewInt(0).Sub(totalEthForMinipools, nodeOpShare)
delta.Abs(delta)
if delta.Cmp(r.epsilon) == 1 {
return nil, nil, fmt.Errorf("error calculating smoothing pool ETH: total was %s, but expected %s; error was too large (%s wei)", totalEthForMinipools.String(), nodeOpShare.String(), delta.String())
}
r.log.Printlnf("%s Pool staker ETH: %s (%.3f)", r.logPrefix, poolStakerShare.String(), eth.WeiToEth(poolStakerShare))
r.log.Printlnf("%s Node Op ETH: %s (%.3f)", r.logPrefix, nodeOpShare.String(), eth.WeiToEth(nodeOpShare))
r.log.Printlnf("%s Calculated NO ETH: %s (error = %s wei)", r.logPrefix, totalEthForMinipools.String(), delta.String())
r.log.Printlnf("%s Adjusting pool staker ETH to %s to account for truncation", r.logPrefix, truePoolStakerAmount.String())
return truePoolStakerAmount, totalEthForMinipools, nil
}
// Get all of the duties for a range of epochs
func (r *treeGeneratorImpl_v4) processAttestationsForInterval() error {
startEpoch := r.rewardsFile.ConsensusStartBlock / r.beaconConfig.SlotsPerEpoch
endEpoch := r.rewardsFile.ConsensusEndBlock / r.beaconConfig.SlotsPerEpoch
// Determine the validator indices of each minipool
err := r.createMinipoolIndexMap()
if err != nil {
return err
}
// Check all of the attestations for each epoch
r.log.Printlnf("%s Checking participation of %d minipools for epochs %d to %d", r.logPrefix, len(r.validatorIndexMap), startEpoch, endEpoch)
r.log.Printlnf("%s NOTE: this will take a long time, progress is reported every 100 epochs", r.logPrefix)
epochsDone := 0
reportStartTime := time.Now()
for epoch := startEpoch; epoch < endEpoch+1; epoch++ {
if epochsDone == 100 {
timeTaken := time.Since(reportStartTime)
r.log.Printlnf("%s On Epoch %d of %d (%.2f%%)... (%s so far)", r.logPrefix, epoch, endEpoch, float64(epoch-startEpoch)/float64(endEpoch-startEpoch)*100.0, timeTaken)
epochsDone = 0
}
err := r.processEpoch(true, epoch)
if err != nil {
return err
}
epochsDone++
}
// Check the epoch after the end of the interval for any lingering attestations
epoch := endEpoch + 1
err = r.processEpoch(false, epoch)
if err != nil {
return err
}
r.log.Printlnf("%s Finished participation check (total time = %s)", r.logPrefix, time.Since(reportStartTime))
return nil
}
// Process an epoch, optionally getting the duties for all eligible minipools in it and checking each one's attestation performance
func (r *treeGeneratorImpl_v4) processEpoch(getDuties bool, epoch uint64) error {
// Get the committee info and attestation records for this epoch
var committeeData beacon.Committees
attestationsPerSlot := make([][]beacon.AttestationInfo, r.slotsPerEpoch)
var wg errgroup.Group
if getDuties {
wg.Go(func() error {
var err error
committeeData, err = r.bc.GetCommitteesForEpoch(&epoch)
return err
})
}
for i := uint64(0); i < r.slotsPerEpoch; i++ {
i := i
slot := epoch*r.slotsPerEpoch + i
wg.Go(func() error {
attestations, found, err := r.bc.GetAttestations(fmt.Sprint(slot))
if err != nil {
return err
}
if found {
attestationsPerSlot[i] = attestations
} else {
attestationsPerSlot[i] = []beacon.AttestationInfo{}
}
return nil
})
}
err := wg.Wait()
if err != nil {
return fmt.Errorf("Error getting committee and attestaion records for epoch %d: %w", epoch, err)
}
if getDuties {
// Get all of the expected duties for the epoch
err = r.getDutiesForEpoch(committeeData)
if err != nil {
return fmt.Errorf("Error getting duties for epoch %d: %w", epoch, err)
}
}
// Process all of the slots in the epoch
for i := uint64(0); i < r.slotsPerEpoch; i++ {
attestations := attestationsPerSlot[i]
if len(attestations) > 0 {
r.checkDutiesForSlot(attestations)
}
}
return nil
}
// Handle all of the attestations in the given slot
func (r *treeGeneratorImpl_v4) checkDutiesForSlot(attestations []beacon.AttestationInfo) error {
// Go through the attestations for the block
for _, attestation := range attestations {
// Get the RP committees for this attestation's slot and index
slotInfo, exists := r.intervalDutiesInfo.Slots[attestation.SlotIndex]
if exists {
rpCommittee, exists := slotInfo.Committees[attestation.CommitteeIndex]
if exists {
// Check if each RP validator attested successfully
for position, validator := range rpCommittee.Positions {
if attestation.AggregationBits.BitAt(uint64(position)) {
// We have a winner - remove this duty and update the scores
delete(rpCommittee.Positions, position)
if len(rpCommittee.Positions) == 0 {
delete(slotInfo.Committees, attestation.CommitteeIndex)
}
if len(slotInfo.Committees) == 0 {
delete(r.intervalDutiesInfo.Slots, attestation.SlotIndex)
}
validator.MissedAttestations--
validator.GoodAttestations++
delete(validator.MissingAttestationSlots, attestation.SlotIndex)
}
}
}
}
}
return nil
}
// Maps out the attestaion duties for the given epoch
func (r *treeGeneratorImpl_v4) getDutiesForEpoch(committees beacon.Committees) error {
defer committees.Release()
// Crawl the committees
for idx := 0; idx < committees.Count(); idx++ {
slotIndex := committees.Slot(idx)
if slotIndex < r.rewardsFile.ConsensusStartBlock || slotIndex > r.rewardsFile.ConsensusEndBlock {
// Ignore slots that are out of bounds
continue
}
committeeIndex := committees.Index(idx)
// Check if there are any RP validators in this committee
rpValidators := map[int]*MinipoolInfo{}
for position, validator := range committees.Validators(idx) {
minipoolInfo, exists := r.validatorIndexMap[validator]
if exists {
rpValidators[position] = minipoolInfo
minipoolInfo.MissedAttestations += 1 // Consider this attestation missed until it's seen later
minipoolInfo.MissingAttestationSlots[slotIndex] = true
}
}
// If there are some RP validators, add this committee to the map
if len(rpValidators) > 0 {
slotInfo, exists := r.intervalDutiesInfo.Slots[slotIndex]
if !exists {
slotInfo = &SlotInfo{
Index: slotIndex,
Committees: map[uint64]*CommitteeInfo{},
}
r.intervalDutiesInfo.Slots[slotIndex] = slotInfo
}
slotInfo.Committees[committeeIndex] = &CommitteeInfo{
Index: committeeIndex,
Positions: rpValidators,
}
}
}
return nil
}
// Maps all minipools to their validator indices and creates a map of indices to minipool info
func (r *treeGeneratorImpl_v4) createMinipoolIndexMap() error {
// Make a slice of all minipool pubkeys
uncachedMinipoolPubkeys := []rptypes.ValidatorPubkey{}
for _, details := range r.nodeDetails {
if details.IsEligible {
for _, minipoolInfo := range details.Minipools {
_, exists := r.validatorStatusMap[minipoolInfo.ValidatorPubkey]
if !exists {
uncachedMinipoolPubkeys = append(uncachedMinipoolPubkeys, minipoolInfo.ValidatorPubkey)
}
}
}
}