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generator-impl-v8.go
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generator-impl-v8.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/rewards"
"github.com/rocket-pool/rocketpool-go/rocketpool"
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"
rpstate "github.com/rocket-pool/rocketpool-go/utils/state"
"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"
)
var six = big.NewInt(6)
// Implementation for tree generator ruleset v8
type treeGeneratorImpl_v8 struct {
networkState *state.NetworkState
rewardsFile *RewardsFile_v3
elSnapshotHeader *types.Header
log *log.ColorLogger
logPrefix string
rp *rocketpool.RocketPool
cfg *config.RocketPoolConfig
bc beacon.Client
opts *bind.CallOpts
nodeDetails []*NodeSmoothingDetails
smoothingPoolBalance *big.Int
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
validatorStatusMap map[rptypes.ValidatorPubkey]beacon.ValidatorStatus
totalAttestationScore *big.Int
successfulAttestations uint64
genesisTime time.Time
}
// Create a new tree generator
func newTreeGeneratorImpl_v8(log *log.ColorLogger, logPrefix string, index uint64, startTime time.Time, endTime time.Time, consensusBlock uint64, elSnapshotHeader *types.Header, intervalsPassed uint64, state *state.NetworkState) *treeGeneratorImpl_v8 {
return &treeGeneratorImpl_v8{
rewardsFile: &RewardsFile_v3{
RewardsFileHeader: &RewardsFileHeader{
RewardsFileVersion: 3,
RulesetVersion: 8,
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_v3{},
MinipoolPerformanceFile: MinipoolPerformanceFile_v3{
Index: index,
StartTime: startTime.UTC(),
EndTime: endTime.UTC(),
ConsensusEndBlock: consensusBlock,
ExecutionEndBlock: elSnapshotHeader.Number.Uint64(),
MinipoolPerformance: map[common.Address]*SmoothingPoolMinipoolPerformance_v3{},
},
},
validatorStatusMap: map[rptypes.ValidatorPubkey]beacon.ValidatorStatus{},
validatorIndexMap: map[string]*MinipoolInfo{},
elSnapshotHeader: elSnapshotHeader,
log: log,
logPrefix: logPrefix,
totalAttestationScore: big.NewInt(0),
networkState: state,
}
}
// Get the version of the ruleset used by this generator
func (r *treeGeneratorImpl_v8) getRulesetVersion() uint64 {
return r.rewardsFile.RulesetVersion
}
func (r *treeGeneratorImpl_v8) 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
r.rewardsFile.MinipoolPerformanceFile.RewardsFileVersion = r.rewardsFile.RewardsFileVersion
r.rewardsFile.MinipoolPerformanceFile.RulesetVersion = r.rewardsFile.RulesetVersion
// Get the Beacon config
r.beaconConfig = r.networkState.BeaconConfig
r.slotsPerEpoch = r.beaconConfig.SlotsPerEpoch
r.genesisTime = time.Unix(int64(r.beaconConfig.GenesisTime), 0)
// Set the EL client call opts
r.opts = &bind.CallOpts{
BlockNumber: r.elSnapshotHeader.Number,
}
r.log.Printlnf("%s Creating tree for %d nodes", r.logPrefix, len(r.networkState.NodeDetails))
// Get the max of node count and minipool count - this will be used for an error epsilon due to division truncation
nodeCount := len(r.networkState.NodeDetails)
minipoolCount := len(r.networkState.MinipoolDetails)
if nodeCount > minipoolCount {
r.epsilon = big.NewInt(int64(nodeCount))
} else {
r.epsilon = big.NewInt(int64(minipoolCount))
}
// 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_v8) 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
r.rewardsFile.MinipoolPerformanceFile.RewardsFileVersion = r.rewardsFile.RewardsFileVersion
r.rewardsFile.MinipoolPerformanceFile.RulesetVersion = r.rewardsFile.RulesetVersion
// Get the Beacon config
r.beaconConfig = r.networkState.BeaconConfig
r.slotsPerEpoch = r.beaconConfig.SlotsPerEpoch
r.genesisTime = time.Unix(int64(r.beaconConfig.GenesisTime), 0)
// Set the EL client call opts
r.opts = &bind.CallOpts{
BlockNumber: r.elSnapshotHeader.Number,
}
r.log.Printlnf("%s Creating tree for %d nodes", r.logPrefix, len(r.networkState.NodeDetails))
// Get the max of node count and minipool count - this will be used for an error epsilon due to division truncation
nodeCount := len(r.networkState.NodeDetails)
minipoolCount := len(r.networkState.MinipoolDetails)
if nodeCount > minipoolCount {
r.epsilon = big.NewInt(int64(nodeCount))
} else {
r.epsilon = big.NewInt(int64(minipoolCount))
}
// 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_v8) 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++ {
_, exists := r.rewardsFile.NetworkRewards[network]
if !exists {
rewardsForNetwork := &NetworkRewardsInfo{
CollateralRpl: NewQuotedBigInt(0),
OracleDaoRpl: NewQuotedBigInt(0),
SmoothingPoolEth: NewQuotedBigInt(0),
}
r.rewardsFile.NetworkRewards[network] = rewardsForNetwork
}
}
}
func (r *treeGeneratorImpl_v8) calculateNodeRplRewards(
collateralRewards *big.Int,
nodeEffectiveStake *big.Int,
totalEffectiveRplStake *big.Int,
nodeWeight *big.Int,
totalNodeWeight *big.Int,
) *big.Int {
if nodeEffectiveStake.Sign() <= 0 || nodeWeight.Sign() <= 0 {
return big.NewInt(0)
}
// C is in the closed range [1, 6]
// C := min(6, interval - 18 + 1)
c := int64(6)
interval := int64(r.networkState.NetworkDetails.RewardIndex)
if c > (interval - 18 + 1) {
c = interval - 18 + 1
}
if c <= 0 {
c = 1
}
bigC := big.NewInt(c)
// (collateralRewards * C * nodeWeight / (totalNodeWeight * 6)) + (collateralRewards * (6 - C) * nodeEffectiveStake / (totalEffectiveRplStake * 6))
// First, (collateralRewards * C * nodeWeight / (totalNodeWeight * 6))
rpip30Rewards := big.NewInt(0).Mul(collateralRewards, nodeWeight)
rpip30Rewards.Mul(rpip30Rewards, bigC)
rpip30Rewards.Quo(rpip30Rewards, big.NewInt(0).Mul(totalNodeWeight, six))
// Once C hits 6 we can exit early as an optimization
if c == 6 {
return rpip30Rewards
}
// Second, (collateralRewards * (6 - C) * nodeEffectiveStake / (totalEffectiveRplStake * 6))
oldRewards := big.NewInt(6)
oldRewards.Sub(oldRewards, bigC)
oldRewards.Mul(oldRewards, collateralRewards)
oldRewards.Mul(oldRewards, nodeEffectiveStake)
oldRewards.Quo(oldRewards, big.NewInt(0).Mul(totalEffectiveRplStake, six))
// Add them together
return rpip30Rewards.Add(rpip30Rewards, oldRewards)
}
// Calculates the RPL rewards for the given interval
func (r *treeGeneratorImpl_v8) calculateRplRewards() error {
pendingRewards := r.networkState.NetworkDetails.PendingRPLRewards
r.log.Printlnf("%s Pending RPL rewards: %s (%.3f)", r.logPrefix, pendingRewards.String(), eth.WeiToEth(pendingRewards))
if pendingRewards.Cmp(common.Big0) == 0 {
return fmt.Errorf("there are no pending RPL rewards, so this interval cannot be used for rewards submission")
}
// Get baseline Protocol DAO rewards
pDaoPercent := r.networkState.NetworkDetails.ProtocolDaoRewardsPercent
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 node operator rewards
nodeOpPercent := r.networkState.NetworkDetails.NodeOperatorRewardsPercent
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))
// Calculate the effective stake of each node, scaling by their participation in this interval
// Before entering this function, make sure to hard-code MaxCollateralFraction to 1.5 eth (150% in wei), to comply with RPIP-30.
// Do it here, as the network state value will still be used for vote power, so doing it upstream is likely to introduce more issues.
// Doing it here also ensures that v1-7 continue to run correctly on networks other than mainnet where the max collateral fraction may not have always been 150%.
r.networkState.NetworkDetails.MaxCollateralFraction = big.NewInt(1.5e18) // 1.5 eth is 150% in wei
trueNodeEffectiveStakes, totalNodeEffectiveStake, err := r.networkState.CalculateTrueEffectiveStakes(true, true)
if err != nil {
return fmt.Errorf("error calculating effective RPL stakes: %w", err)
}
// Calculate the RPIP-30 weight of each node, scaling by their participation in this interval
nodeWeights, totalNodeWeight, err := r.networkState.CalculateNodeWeights()
if err != nil {
return fmt.Errorf("error calculating node weights: %w", err)
}
// Operate normally if any node has rewards
if totalNodeEffectiveStake.Sign() > 0 && totalNodeWeight.Sign() > 0 {
// Make sure to record totalNodeWeight in the rewards file
quotedTotalNodeWeight := NewQuotedBigInt(0)
quotedTotalNodeWeight.Set(totalNodeWeight)
r.rewardsFile.TotalRewards.TotalNodeWeight = quotedTotalNodeWeight
r.log.Printlnf("%s Calculating individual collateral rewards...", r.logPrefix)
for i, nodeDetails := range r.networkState.NodeDetails {
// Get how much RPL goes to this node
nodeRplRewards := r.calculateNodeRplRewards(
totalNodeRewards,
trueNodeEffectiveStakes[nodeDetails.NodeAddress],
totalNodeEffectiveStake,
nodeWeights[nodeDetails.NodeAddress],
totalNodeWeight,
)
// If there are pending rewards, add it to the map
if nodeRplRewards.Sign() == 1 {
rewardsForNode, exists := r.rewardsFile.NodeRewards[nodeDetails.NodeAddress]
if !exists {
// Get the network the rewards should go to
network := r.networkState.NodeDetails[i].RewardNetwork.Uint64()
validNetwork, err := r.validateNetwork(network)
if err != nil {
return err
}
if !validNetwork {
r.rewardsFile.InvalidNetworkNodes[nodeDetails.NodeAddress] = network
network = 0
}
rewardsForNode = &NodeRewardsInfo_v3{
RewardNetwork: network,
CollateralRpl: NewQuotedBigInt(0),
OracleDaoRpl: NewQuotedBigInt(0),
SmoothingPoolEth: NewQuotedBigInt(0),
}
r.rewardsFile.NodeRewards[nodeDetails.NodeAddress] = 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)
}
}
// 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 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())
pDaoRewards.Sub(pendingRewards, totalCalculatedNodeRewards)
} else {
// In this situation, none of the nodes in the network had eligible rewards so send it all to the pDAO
pDaoRewards.Add(&pDaoRewards.Int, totalNodeRewards)
r.log.Printlnf("%s None of the nodes were eligible for collateral rewards, sending everything to the pDAO; now at %s (%.3f)", r.logPrefix, pDaoRewards.String(), eth.WeiToEth(&pDaoRewards.Int))
}
// Handle Oracle DAO rewards
oDaoPercent := r.networkState.NetworkDetails.TrustedNodeOperatorRewardsPercent
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))
oDaoDetails := r.networkState.OracleDaoMemberDetails
// 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 _, details := range oDaoDetails {
// Get the timestamp of the node joining the oDAO
joinTime := details.JoinedTime
// Get the actual effective time, scaled based on participation
intervalDuration := r.networkState.NetworkDetails.IntervalDuration
intervalDurationBig := big.NewInt(int64(intervalDuration.Seconds()))
participationTime := big.NewInt(0).Set(intervalDurationBig)
snapshotBlockTime := time.Unix(int64(r.elSnapshotHeader.Time), 0)
eligibleDuration := snapshotBlockTime.Sub(joinTime)
if eligibleDuration < intervalDuration {
participationTime = big.NewInt(int64(eligibleDuration.Seconds()))
}
trueODaoNodeTimes[details.Address] = participationTime
// Add it to the total
totalODaoNodeTime.Add(totalODaoNodeTime, participationTime)
}
for _, details := range oDaoDetails {
address := details.Address
// 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 := r.networkState.NodeDetailsByAddress[address].RewardNetwork.Uint64()
validNetwork, err := r.validateNetwork(network)
if err != nil {
return err
}
if !validNetwork {
r.rewardsFile.InvalidNetworkNodes[address] = network
network = 0
}
rewardsForNode = &NodeRewardsInfo_v3{
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
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 actual protocol DAO rewards
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())
// Print total node weight
r.log.Printlnf("%s Total Node Weight: %s", r.logPrefix, totalNodeWeight)
return nil
}
// Calculates the ETH rewards for the given interval
func (r *treeGeneratorImpl_v8) calculateEthRewards(checkBeaconPerformance bool) error {
// Get the Smoothing Pool contract's balance
r.smoothingPoolBalance = r.networkState.NetworkDetails.SmoothingPoolBalance
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(common.Big0) == 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) // This is immutable so querying at the head is fine and mitigates issues around calls for pruned EL state
previousIntervalEvent, err := GetRewardSnapshotEvent(r.rp, r.cfg, r.rewardsFile.Index-1, nil)
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
one := eth.EthToWei(1)
validatorReq := eth.EthToWei(32)
for _, nodeInfo := range r.nodeDetails {
// Check if the node is currently opted in for simplicity
if nodeInfo.IsEligible && nodeInfo.IsOptedIn && r.elEndTime.Sub(nodeInfo.OptInTime) > 0 {
for _, minipool := range nodeInfo.Minipools {
minipool.CompletedAttestations = map[uint64]bool{0: true}
// Make up an attestation
details := r.networkState.MinipoolDetailsByAddress[minipool.Address]
bond, fee := r.getMinipoolBondAndNodeFee(details, r.elEndTime)
minipoolScore := big.NewInt(0).Sub(one, fee) // 1 - fee
minipoolScore.Mul(minipoolScore, bond) // Multiply by bond
minipoolScore.Div(minipoolScore, validatorReq) // Divide by 32 to get the bond as a fraction of a total validator
minipoolScore.Add(minipoolScore, fee) // Total = fee + (bond/32)(1 - fee)
// Add it to the minipool's score and the total score
minipool.AttestationScore.Add(&minipool.AttestationScore.Int, minipoolScore)
r.totalAttestationScore.Add(r.totalAttestationScore, minipoolScore)
r.successfulAttestations++
}
}
}
}
// 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(common.Big0) > 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_v3{
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)
// Add minipool rewards to the JSON
for _, minipoolInfo := range nodeInfo.Minipools {
successfulAttestations := uint64(len(minipoolInfo.CompletedAttestations))
missingAttestations := uint64(len(minipoolInfo.MissingAttestationSlots))
performance := &SmoothingPoolMinipoolPerformance_v3{
Pubkey: minipoolInfo.ValidatorPubkey.Hex(),
SuccessfulAttestations: successfulAttestations,
MissedAttestations: missingAttestations,
AttestationScore: &QuotedBigInt{Int: minipoolInfo.AttestationScore.Int},
EthEarned: &QuotedBigInt{Int: *minipoolInfo.MinipoolShare},
MissingAttestationSlots: []uint64{},
}
if successfulAttestations+missingAttestations == 0 {
// Don't include minipools that have zero attestations
continue
}
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_v8) calculateNodeRewards() (*big.Int, *big.Int, error) {
// If there weren't any successful attestations, everything goes to the pool stakers
if r.totalAttestationScore.Cmp(common.Big0) == 0 || r.successfulAttestations == 0 {
r.log.Printlnf("WARNING: Total attestation score = %s, successful attestations = %d... sending the whole smoothing pool balance to the pool stakers.", r.totalAttestationScore.String(), r.successfulAttestations)
return r.smoothingPoolBalance, big.NewInt(0), nil
}
totalEthForMinipools := big.NewInt(0)
totalNodeOpShare := big.NewInt(0)
totalNodeOpShare.Mul(r.smoothingPoolBalance, r.totalAttestationScore)
totalNodeOpShare.Div(totalNodeOpShare, big.NewInt(int64(r.successfulAttestations)))
totalNodeOpShare.Div(totalNodeOpShare, eth.EthToWei(1))
for _, nodeInfo := range r.nodeDetails {
nodeInfo.SmoothingPoolEth = big.NewInt(0)
if nodeInfo.IsEligible {
for _, minipool := range nodeInfo.Minipools {
if len(minipool.CompletedAttestations)+len(minipool.MissingAttestationSlots) == 0 || !minipool.WasActive {
// Ignore minipools that weren't active for the interval
minipool.WasActive = false
minipool.MinipoolShare = big.NewInt(0)
continue
}
minipoolEth := big.NewInt(0).Set(totalNodeOpShare)
minipoolEth.Mul(minipoolEth, &minipool.AttestationScore.Int)
minipoolEth.Div(minipoolEth, r.totalAttestationScore)
minipool.MinipoolShare = minipoolEth
nodeInfo.SmoothingPoolEth.Add(nodeInfo.SmoothingPoolEth, minipoolEth)
}
}
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, totalNodeOpShare)
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(), totalNodeOpShare.String(), delta.String())
}
// Calculate the staking pool share and the node op share
poolStakerShare := big.NewInt(0).Sub(r.smoothingPoolBalance, totalNodeOpShare)
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, totalNodeOpShare.String(), eth.WeiToEth(totalNodeOpShare))
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_v8) 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_v8) 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++ {
inclusionSlot := epoch*r.slotsPerEpoch + i
attestations := attestationsPerSlot[i]
if len(attestations) > 0 {
r.checkDutiesForSlot(attestations, inclusionSlot)
}
}
return nil
}
// Handle all of the attestations in the given slot
func (r *treeGeneratorImpl_v8) checkDutiesForSlot(attestations []beacon.AttestationInfo, inclusionSlot uint64) error {
one := eth.EthToWei(1)
validatorReq := eth.EthToWei(32)
// 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 {
continue
}
// Ignore attestations delayed by more than 32 slots
if inclusionSlot-attestation.SlotIndex > r.beaconConfig.SlotsPerEpoch {
continue
}
rpCommittee, exists := slotInfo.Committees[attestation.CommitteeIndex]
if !exists {
continue
}
blockTime := r.genesisTime.Add(time.Second * time.Duration(r.networkState.BeaconConfig.SecondsPerSlot*attestation.SlotIndex))
// Check if each RP validator attested successfully
for position, validator := range rpCommittee.Positions {
if !attestation.AggregationBits.BitAt(uint64(position)) {
continue
}
// This was seen, so remove it from the missing attestations and add it to the completed ones
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)
}
delete(validator.MissingAttestationSlots, attestation.SlotIndex)
// Check if this minipool was opted into the SP for this block
nodeDetails := r.nodeDetails[validator.NodeIndex]
if blockTime.Sub(nodeDetails.OptInTime) < 0 || nodeDetails.OptOutTime.Sub(blockTime) < 0 {
// Not opted in
continue
}
// Mark this duty as completed
validator.CompletedAttestations[attestation.SlotIndex] = true
// Get the pseudoscore for this attestation
details := r.networkState.MinipoolDetailsByAddress[validator.Address]
bond, fee := r.getMinipoolBondAndNodeFee(details, blockTime)
minipoolScore := big.NewInt(0).Sub(one, fee) // 1 - fee
minipoolScore.Mul(minipoolScore, bond) // Multiply by bond
minipoolScore.Div(minipoolScore, validatorReq) // Divide by 32 to get the bond as a fraction of a total validator
minipoolScore.Add(minipoolScore, fee) // Total = fee + (bond/32)(1 - fee)
// Add it to the minipool's score and the total score
validator.AttestationScore.Add(&validator.AttestationScore.Int, minipoolScore)
r.totalAttestationScore.Add(r.totalAttestationScore, minipoolScore)
r.successfulAttestations++
}
}
return nil
}
// Maps out the attestaion duties for the given epoch
func (r *treeGeneratorImpl_v8) getDutiesForEpoch(committees beacon.Committees) error {
// 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
}
blockTime := r.genesisTime.Add(time.Second * time.Duration(r.beaconConfig.SecondsPerSlot*slotIndex))
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 {
// This isn't an RP validator, so ignore it
continue
}
// Check if this minipool was opted into the SP for this block
nodeDetails := r.networkState.NodeDetailsByAddress[minipoolInfo.NodeAddress]
isOptedIn := nodeDetails.SmoothingPoolRegistrationState
spRegistrationTime := time.Unix(nodeDetails.SmoothingPoolRegistrationChanged.Int64(), 0)
if (isOptedIn && blockTime.Sub(spRegistrationTime) < 0) || // If this block occurred before the node opted in, ignore it
(!isOptedIn && spRegistrationTime.Sub(blockTime) < 0) { // If this block occurred after the node opted out, ignore it
continue
}
// Check if this minipool was in the `staking` state during this time
mpd := r.networkState.MinipoolDetailsByAddress[minipoolInfo.Address]
statusChangeTime := time.Unix(mpd.StatusTime.Int64(), 0)
if mpd.Status != rptypes.Staking || blockTime.Sub(statusChangeTime) < 0 {
continue
}
// This was a legal RP validator opted into the SP during this slot so add it
rpValidators[position] = minipoolInfo
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_v8) createMinipoolIndexMap() error {
// Get the status for all uncached minipool validators and add them to the cache
r.validatorIndexMap = map[string]*MinipoolInfo{}
for _, details := range r.nodeDetails {
if details.IsEligible {
for _, minipoolInfo := range details.Minipools {
status, exists := r.networkState.ValidatorDetails[minipoolInfo.ValidatorPubkey]
if !exists {
// Remove minipools that don't have indices yet since they're not actually viable
//r.log.Printlnf("NOTE: minipool %s (pubkey %s) didn't exist at this slot; removing it", minipoolInfo.Address.Hex(), minipoolInfo.ValidatorPubkey.Hex())
minipoolInfo.WasActive = false
} else {
switch status.Status {
case beacon.ValidatorState_PendingInitialized, beacon.ValidatorState_PendingQueued:
// Remove minipools that don't have indices yet since they're not actually viable
//r.log.Printlnf("NOTE: minipool %s (index %s, pubkey %s) was in state %s; removing it", minipoolInfo.Address.Hex(), status.Index, minipoolInfo.ValidatorPubkey.Hex(), string(status.Status))
minipoolInfo.WasActive = false
default:
// Get the validator index
minipoolInfo.ValidatorIndex = status.Index
r.validatorIndexMap[minipoolInfo.ValidatorIndex] = minipoolInfo
// Get the validator's activation start and end slots
startSlot := status.ActivationEpoch * r.beaconConfig.SlotsPerEpoch
endSlot := status.ExitEpoch * r.beaconConfig.SlotsPerEpoch
// Verify this minipool has already started
if status.ActivationEpoch == FarEpoch {
//r.log.Printlnf("NOTE: minipool %s hasn't been scheduled for activation yet; removing it", minipoolInfo.Address.Hex())
minipoolInfo.WasActive = false
continue
} else if startSlot > r.rewardsFile.ConsensusEndBlock {