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genesis.go
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genesis.go
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// Copyright (c) 2020 IoTeX Foundation
// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
// License 2.0 that can be found in the LICENSE file.
package genesis
import (
"math/big"
"sort"
"sync"
"sync/atomic"
"time"
"github.com/pkg/errors"
"go.uber.org/config"
"go.uber.org/zap"
"google.golang.org/protobuf/proto"
"github.com/iotexproject/go-pkgs/hash"
"github.com/iotexproject/iotex-address/address"
"github.com/iotexproject/iotex-proto/golang/iotextypes"
"github.com/iotexproject/iotex-core/pkg/log"
"github.com/iotexproject/iotex-core/pkg/unit"
"github.com/iotexproject/iotex-core/test/identityset"
)
// Default contains the default genesis config
var Default = defaultConfig()
var (
genesisTs int64
loadGenesisTs sync.Once
)
func init() {
initTestDefaultConfig()
}
func defaultConfig() Genesis {
return Genesis{
Blockchain: Blockchain{
Timestamp: 1546329600,
BlockGasLimit: 20000000,
ActionGasLimit: 5000000,
BlockInterval: 10 * time.Second,
NumSubEpochs: 2,
DardanellesNumSubEpochs: 30,
NumDelegates: 24,
NumCandidateDelegates: 36,
TimeBasedRotation: false,
PacificBlockHeight: 432001,
AleutianBlockHeight: 864001,
BeringBlockHeight: 1512001,
CookBlockHeight: 1641601,
DardanellesBlockHeight: 1816201,
DaytonaBlockHeight: 3238921,
EasterBlockHeight: 4478761,
FbkMigrationBlockHeight: 5157001,
FairbankBlockHeight: 5165641,
GreenlandBlockHeight: 6544441,
HawaiiBlockHeight: 11267641,
IcelandBlockHeight: 12289321,
JutlandBlockHeight: 13685401,
},
Account: Account{
InitBalanceMap: make(map[string]string),
},
Poll: Poll{
PollMode: "nativeMix",
EnableGravityChainVoting: true,
GravityChainCeilingHeight: 10199000,
ProbationEpochPeriod: 6,
ProbationIntensityRate: 90,
UnproductiveDelegateMaxCacheSize: 20,
},
Rewarding: Rewarding{
InitBalanceStr: unit.ConvertIotxToRau(200000000).String(),
BlockRewardStr: unit.ConvertIotxToRau(16).String(),
DardanellesBlockRewardStr: unit.ConvertIotxToRau(8).String(),
EpochRewardStr: unit.ConvertIotxToRau(12500).String(),
AleutianEpochRewardStr: unit.ConvertIotxToRau(18750).String(),
NumDelegatesForEpochReward: 100,
ExemptAddrStrsFromEpochReward: []string{},
FoundationBonusStr: unit.ConvertIotxToRau(80).String(),
NumDelegatesForFoundationBonus: 36,
FoundationBonusLastEpoch: 8760,
FoundationBonusP2StartEpoch: 9698,
FoundationBonusP2EndEpoch: 18458,
},
Staking: Staking{
VoteWeightCalConsts: VoteWeightCalConsts{
DurationLg: 1.2,
AutoStake: 1,
SelfStake: 1.06,
},
RegistrationConsts: RegistrationConsts{
Fee: unit.ConvertIotxToRau(100).String(),
MinSelfStake: unit.ConvertIotxToRau(1200000).String(),
},
WithdrawWaitingPeriod: 3 * 24 * time.Hour,
MinStakeAmount: unit.ConvertIotxToRau(100).String(),
BootstrapCandidates: []BootstrapCandidate{},
},
}
}
func initTestDefaultConfig() {
Default = defaultConfig()
Default.PacificBlockHeight = 0
for i := 0; i < identityset.Size(); i++ {
addr := identityset.Address(i).String()
value := unit.ConvertIotxToRau(100000000).String()
Default.InitBalanceMap[addr] = value
if uint64(i) < Default.NumDelegates {
Default.Delegates = append(Default.Delegates, Delegate{
OperatorAddrStr: addr,
RewardAddrStr: addr,
VotesStr: value,
})
}
}
}
type (
// Genesis is the root level of genesis config. Genesis config is the network-wide blockchain config. All the nodes
// participating into the same network should use EXACTLY SAME genesis config.
Genesis struct {
Blockchain `yaml:"blockchain"`
Account `yaml:"account"`
Poll `yaml:"poll"`
Rewarding `yaml:"rewarding"`
Staking `yaml:"staking"`
}
// Blockchain contains blockchain level configs
Blockchain struct {
// Timestamp is the timestamp of the genesis block
Timestamp int64
// BlockGasLimit is the total gas limit could be consumed in a block
BlockGasLimit uint64 `yaml:"blockGasLimit"`
// ActionGasLimit is the per action gas limit cap
ActionGasLimit uint64 `yaml:"actionGasLimit"`
// BlockInterval is the interval between two blocks
BlockInterval time.Duration `yaml:"blockInterval"`
// NumSubEpochs is the number of sub epochs in one epoch of block production
NumSubEpochs uint64 `yaml:"numSubEpochs"`
// DardanellesNumSubEpochs is the number of sub epochs starts from dardanelles height in one epoch of block production
DardanellesNumSubEpochs uint64 `yaml:"dardanellesNumSubEpochs"`
// NumDelegates is the number of delegates that participate into one epoch of block production
NumDelegates uint64 `yaml:"numDelegates"`
// NumCandidateDelegates is the number of candidate delegates, who may be selected as a delegate via roll dpos
NumCandidateDelegates uint64 `yaml:"numCandidateDelegates"`
// TimeBasedRotation is the flag to enable rotating delegates' time slots on a block height
TimeBasedRotation bool `yaml:"timeBasedRotation"`
// PacificBlockHeight is the start height of using the logic of Pacific version
// TODO: PacificBlockHeight is not added into protobuf definition for backward compatibility
PacificBlockHeight uint64 `yaml:"pacificHeight"`
// AleutianBlockHeight is the start height of adding bloom filter of all events into block header
AleutianBlockHeight uint64 `yaml:"aleutianHeight"`
// BeringBlockHeight is the start height of evm upgrade
BeringBlockHeight uint64 `yaml:"beringHeight"`
// CookBlockHeight is the start height of native staking
CookBlockHeight uint64 `yaml:"cookHeight"`
// DardanellesBlockHeight is the start height of 5s block internal
DardanellesBlockHeight uint64 `yaml:"dardanellesHeight"`
// DaytonaBlockHeight is the height to fix low gas for read native staking contract
DaytonaBlockHeight uint64 `yaml:"daytonaBlockHeight"`
// EasterBlockHeight is the start height of probation for slashing
EasterBlockHeight uint64 `yaml:"easterHeight"`
// FbkMigrationBlockHeight is the start height for fairbank migration
FbkMigrationBlockHeight uint64 `yaml:"fbkMigrationHeight"`
// FairbankBlockHeight is the start height to switch to native staking V2
FairbankBlockHeight uint64 `yaml:"fairbankHeight"`
// GreenlandBlockHeight is the start height of storing latest 720 block meta and rewarding/staking bucket pool
GreenlandBlockHeight uint64 `yaml:"greenlandHeight"`
// HawaiiBlockHeight is the start height to
// 1. fix GetBlockHash in EVM
// 2. add revert message to log
// 3. fix change to same candidate in staking protocol
// 4. fix sorted map in StateDBAdapter
// 5. use pending nonce in EVM
HawaiiBlockHeight uint64 `yaml:"hawaiiHeight"`
// IcelandBlockHeight is the start height to support chainID opcode in EVM
IcelandBlockHeight uint64 `yaml:"icelandHeight"`
// JutlandBlockHeight is the start height to cover all EVM error codes
JutlandBlockHeight uint64 `yaml:"jutlandHeight"`
}
// Account contains the configs for account protocol
Account struct {
// InitBalanceMap is the address and initial balance mapping before the first block.
InitBalanceMap map[string]string `yaml:"initBalances"`
}
// Poll contains the configs for poll protocol
Poll struct {
// PollMode is different based on chain type or poll input data source
PollMode string `yaml:"pollMode"`
// EnableGravityChainVoting is a flag whether read voting from gravity chain
EnableGravityChainVoting bool `yaml:"enableGravityChainVoting"`
// GravityChainStartHeight is the height in gravity chain where the init poll result stored
GravityChainStartHeight uint64 `yaml:"gravityChainStartHeight"`
// GravityChainCeilingHeight is the height in gravity chain where the poll is no longer needed
GravityChainCeilingHeight uint64 `yaml:"gravityChainCeilingHeight"`
// GravityChainHeightInterval the height interval on gravity chain to pull delegate information
GravityChainHeightInterval uint64 `yaml:"gravityChainHeightInterval"`
// RegisterContractAddress is the address of register contract
RegisterContractAddress string `yaml:"registerContractAddress"`
// StakingContractAddress is the address of staking contract
StakingContractAddress string `yaml:"stakingContractAddress"`
// NativeStakingContractAddress is the address of native staking contract
NativeStakingContractAddress string `yaml:"nativeStakingContractAddress"`
// NativeStakingContractCode is the code of native staking contract
NativeStakingContractCode string `yaml:"nativeStakingContractCode"`
// ConsortiumCommitteeCode is the code of consortiumCommittee contract
ConsortiumCommitteeContractCode string `yaml:"consortiumCommitteeContractCode"`
// VoteThreshold is the vote threshold amount in decimal string format
VoteThreshold string `yaml:"voteThreshold"`
// ScoreThreshold is the score threshold amount in decimal string format
ScoreThreshold string `yaml:"scoreThreshold"`
// SelfStakingThreshold is self-staking vote threshold amount in decimal string format
SelfStakingThreshold string `yaml:"selfStakingThreshold"`
// Delegates is a list of delegates with votes
Delegates []Delegate `yaml:"delegates"`
// ProbationEpochPeriod is a duration of probation after delegate's productivity is lower than threshold
ProbationEpochPeriod uint64 `yaml:"probationEpochPeriod"`
// ProbationIntensityRate is a intensity rate of probation range from [0, 100], where 100 is hard-probation
ProbationIntensityRate uint32 `yaml:"probationIntensityRate"`
// UnproductiveDelegateMaxCacheSize is a max cache size of upd which is stored into state DB (probationEpochPeriod <= UnproductiveDelegateMaxCacheSize)
UnproductiveDelegateMaxCacheSize uint64 `yaml:unproductiveDelegateMaxCacheSize`
}
// Delegate defines a delegate with address and votes
Delegate struct {
// OperatorAddrStr is the address who will operate the node
OperatorAddrStr string `yaml:"operatorAddr"`
// RewardAddrStr is the address who will get the reward when operator produces blocks
RewardAddrStr string `yaml:"rewardAddr"`
// VotesStr is the score for the operator to rank and weight for rewardee to split epoch reward
VotesStr string `yaml:"votes"`
}
// Rewarding contains the configs for rewarding protocol
Rewarding struct {
// InitBalanceStr is the initial balance of the rewarding protocol in decimal string format
InitBalanceStr string `yaml:"initBalance"`
// BlockReward is the block reward amount in decimal string format
BlockRewardStr string `yaml:"blockReward"`
// DardanellesBlockReward is the block reward amount starts from dardanelles height in decimal string format
DardanellesBlockRewardStr string `yaml:"dardanellesBlockReward"`
// EpochReward is the epoch reward amount in decimal string format
EpochRewardStr string `yaml:"epochReward"`
// AleutianEpochRewardStr is the epoch reward amount in decimal string format after aleutian fork
AleutianEpochRewardStr string `yaml:"aleutianEpochReward"`
// NumDelegatesForEpochReward is the number of top candidates that will share a epoch reward
NumDelegatesForEpochReward uint64 `yaml:"numDelegatesForEpochReward"`
// ExemptAddrStrsFromEpochReward is the list of addresses in encoded string format that exempt from epoch reward
ExemptAddrStrsFromEpochReward []string `yaml:"exemptAddrsFromEpochReward"`
// FoundationBonusStr is the bootstrap bonus in decimal string format
FoundationBonusStr string `yaml:"foundationBonus"`
// NumDelegatesForFoundationBonus is the number of top candidate that will get the bootstrap bonus
NumDelegatesForFoundationBonus uint64 `yaml:"numDelegatesForFoundationBonus"`
// FoundationBonusLastEpoch is the last epoch number that bootstrap bonus will be granted
FoundationBonusLastEpoch uint64 `yaml:"foundationBonusLastEpoch"`
// FoundationBonusP2StartEpoch is the start epoch number for part 2 foundation bonus
FoundationBonusP2StartEpoch uint64 `yaml:"foundationBonusP2StartEpoch"`
// FoundationBonusP2EndEpoch is the end epoch number for part 2 foundation bonus
FoundationBonusP2EndEpoch uint64 `yaml:"foundationBonusP2EndEpoch"`
// ProductivityThreshold is the percentage number that a delegate's productivity needs to reach not to get probation
ProductivityThreshold uint64 `yaml:"productivityThreshold"`
}
// Staking contains the configs for staking protocol
Staking struct {
VoteWeightCalConsts VoteWeightCalConsts `yaml:"voteWeightCalConsts"`
RegistrationConsts RegistrationConsts `yaml:"registrationConsts"`
WithdrawWaitingPeriod time.Duration `yaml:"withdrawWaitingPeriod"`
MinStakeAmount string `yaml:"minStakeAmount"`
BootstrapCandidates []BootstrapCandidate `yaml:"bootstrapCandidates"`
}
// VoteWeightCalConsts contains the configs for calculating vote weight
VoteWeightCalConsts struct {
DurationLg float64 `yaml:"durationLg"`
AutoStake float64 `yaml:"autoStake"`
SelfStake float64 `yaml:"selfStake"`
}
// RegistrationConsts contains the configs for candidate registration
RegistrationConsts struct {
Fee string `yaml:"fee"`
MinSelfStake string `yaml:"minSelfStake"`
}
// BootstrapCandidate is the candidate data need to be provided to bootstrap candidate.
BootstrapCandidate struct {
OwnerAddress string `yaml:"ownerAddress"`
OperatorAddress string `yaml:"operatorAddress"`
RewardAddress string `yaml:"rewardAddress"`
Name string `yaml:"name"`
SelfStakingTokens string `yaml:"selfStakingTokens"`
}
)
// New constructs a genesis config. It loads the default values, and could be overwritten by values defined in the yaml
// config files
func New(genesisPath string) (Genesis, error) {
def := defaultConfig()
opts := make([]config.YAMLOption, 0)
opts = append(opts, config.Static(def))
if genesisPath != "" {
opts = append(opts, config.File(genesisPath))
}
yaml, err := config.NewYAML(opts...)
if err != nil {
return Genesis{}, errors.Wrap(err, "error when constructing a genesis in yaml")
}
var genesis Genesis
if err := yaml.Get(config.Root).Populate(&genesis); err != nil {
return Genesis{}, errors.Wrap(err, "failed to unmarshal yaml genesis to struct")
}
return genesis, nil
}
// SetGenesisTimestamp sets the genesis timestamp
func SetGenesisTimestamp(ts int64) {
loadGenesisTs.Do(func() {
genesisTs = ts
})
}
// Timestamp returns the genesis timestamp
func Timestamp() int64 {
return atomic.LoadInt64(&genesisTs)
}
// Hash is the hash of genesis config
func (g *Genesis) Hash() hash.Hash256 {
gbProto := iotextypes.GenesisBlockchain{
Timestamp: g.Timestamp,
BlockGasLimit: g.BlockGasLimit,
ActionGasLimit: g.ActionGasLimit,
BlockInterval: g.BlockInterval.Nanoseconds(),
NumSubEpochs: g.NumSubEpochs,
NumDelegates: g.NumDelegates,
NumCandidateDelegates: g.NumCandidateDelegates,
TimeBasedRotation: g.TimeBasedRotation,
}
initBalanceAddrs := make([]string, 0)
for initBalanceAddr := range g.InitBalanceMap {
initBalanceAddrs = append(initBalanceAddrs, initBalanceAddr)
}
sort.Strings(initBalanceAddrs)
initBalances := make([]string, 0)
for _, initBalanceAddr := range initBalanceAddrs {
initBalances = append(initBalances, g.InitBalanceMap[initBalanceAddr])
}
aProto := iotextypes.GenesisAccount{
InitBalanceAddrs: initBalanceAddrs,
InitBalances: initBalances,
}
dProtos := make([]*iotextypes.GenesisDelegate, 0)
for _, d := range g.Delegates {
dProto := iotextypes.GenesisDelegate{
OperatorAddr: d.OperatorAddrStr,
RewardAddr: d.RewardAddrStr,
Votes: d.VotesStr,
}
dProtos = append(dProtos, &dProto)
}
pProto := iotextypes.GenesisPoll{
EnableGravityChainVoting: g.EnableGravityChainVoting,
GravityChainStartHeight: g.GravityChainStartHeight,
RegisterContractAddress: g.RegisterContractAddress,
StakingContractAddress: g.StakingContractAddress,
VoteThreshold: g.VoteThreshold,
ScoreThreshold: g.ScoreThreshold,
SelfStakingThreshold: g.SelfStakingThreshold,
Delegates: dProtos,
}
rProto := iotextypes.GenesisRewarding{
InitBalance: g.InitBalanceStr,
BlockReward: g.BlockRewardStr,
EpochReward: g.EpochRewardStr,
NumDelegatesForEpochReward: g.NumDelegatesForEpochReward,
FoundationBonus: g.FoundationBonusStr,
NumDelegatesForFoundationBonus: g.NumDelegatesForFoundationBonus,
FoundationBonusLastEpoch: g.FoundationBonusLastEpoch,
ProductivityThreshold: g.ProductivityThreshold,
}
gProto := iotextypes.Genesis{
Blockchain: &gbProto,
Account: &aProto,
Poll: &pProto,
Rewarding: &rProto,
}
b, err := proto.Marshal(&gProto)
if err != nil {
log.L().Panic("Error when marshaling genesis proto", zap.Error(err))
}
return hash.Hash256b(b)
}
func (g *Blockchain) isPost(targetHeight, height uint64) bool {
return height >= targetHeight
}
// IsPacific checks whether height is equal to or larger than pacific height
func (g *Blockchain) IsPacific(height uint64) bool {
return g.isPost(g.PacificBlockHeight, height)
}
// IsAleutian checks whether height is equal to or larger than aleutian height
func (g *Blockchain) IsAleutian(height uint64) bool {
return g.isPost(g.AleutianBlockHeight, height)
}
// IsBering checks whether height is equal to or larger than bering height
func (g *Blockchain) IsBering(height uint64) bool {
return g.isPost(g.BeringBlockHeight, height)
}
// IsCook checks whether height is equal to or larger than cook height
func (g *Blockchain) IsCook(height uint64) bool {
return g.isPost(g.CookBlockHeight, height)
}
// IsDardanelles checks whether height is equal to or larger than dardanelles height
func (g *Blockchain) IsDardanelles(height uint64) bool {
return g.isPost(g.DardanellesBlockHeight, height)
}
// IsDaytona checks whether height is equal to or larger than daytona height
func (g *Blockchain) IsDaytona(height uint64) bool {
return g.isPost(g.DaytonaBlockHeight, height)
}
// IsEaster checks whether height is equal to or larger than easter height
func (g *Blockchain) IsEaster(height uint64) bool {
return g.isPost(g.EasterBlockHeight, height)
}
// IsFairbank checks whether height is equal to or larger than fairbank height
func (g *Blockchain) IsFairbank(height uint64) bool {
return g.isPost(g.FairbankBlockHeight, height)
}
// IsFbkMigration checks whether height is equal to or larger than fbk migration height
func (g *Blockchain) IsFbkMigration(height uint64) bool {
return g.isPost(g.FbkMigrationBlockHeight, height)
}
// IsGreenland checks whether height is equal to or larger than greenland height
func (g *Blockchain) IsGreenland(height uint64) bool {
return g.isPost(g.GreenlandBlockHeight, height)
}
// IsHawaii checks whether height is equal to or larger than hawaii height
func (g *Blockchain) IsHawaii(height uint64) bool {
return g.isPost(g.HawaiiBlockHeight, height)
}
// IsIceland checks whether height is equal to or larger than iceland height
func (g *Blockchain) IsIceland(height uint64) bool {
return g.isPost(g.IcelandBlockHeight, height)
}
// IsJutland checks whether height is equal to or larger than jutland height
func (g *Blockchain) IsJutland(height uint64) bool {
return g.isPost(g.JutlandBlockHeight, height)
}
// InitBalances returns the address that have initial balances and the corresponding amounts. The i-th amount is the
// i-th address' balance.
func (a *Account) InitBalances() ([]address.Address, []*big.Int) {
// Make the list always be ordered
addrStrs := make([]string, 0)
for addrStr := range a.InitBalanceMap {
addrStrs = append(addrStrs, addrStr)
}
sort.Strings(addrStrs)
addrs := make([]address.Address, 0)
amounts := make([]*big.Int, 0)
for _, addrStr := range addrStrs {
addr, err := address.FromString(addrStr)
if err != nil {
log.L().Panic("Error when decoding the account protocol init balance address from string.", zap.Error(err))
}
addrs = append(addrs, addr)
amount, ok := big.NewInt(0).SetString(a.InitBalanceMap[addrStr], 10)
if !ok {
log.S().Panicf("Error when casting init balance string %s into big int", a.InitBalanceMap[addrStr])
}
amounts = append(amounts, amount)
}
return addrs, amounts
}
// OperatorAddr is the address of operator
func (d *Delegate) OperatorAddr() address.Address {
addr, err := address.FromString(d.OperatorAddrStr)
if err != nil {
log.L().Panic("Error when decoding the poll protocol operator address from string.", zap.Error(err))
}
return addr
}
// RewardAddr is the address of rewardee, which is allowed to be nil
func (d *Delegate) RewardAddr() address.Address {
if d.RewardAddrStr == "" {
return nil
}
addr, err := address.FromString(d.RewardAddrStr)
if err != nil {
log.L().Panic("Error when decoding the poll protocol rewardee address from string.", zap.Error(err))
}
return addr
}
// Votes returns the votes
func (d *Delegate) Votes() *big.Int {
val, ok := big.NewInt(0).SetString(d.VotesStr, 10)
if !ok {
log.S().Panicf("Error when casting votes string %s into big int", d.VotesStr)
}
return val
}
// InitBalance returns the init balance of the rewarding fund
func (r *Rewarding) InitBalance() *big.Int {
val, ok := big.NewInt(0).SetString(r.InitBalanceStr, 10)
if !ok {
log.S().Panicf("Error when casting init balance string %s into big int", r.InitBalanceStr)
}
return val
}
// BlockReward returns the block reward amount
func (r *Rewarding) BlockReward() *big.Int {
val, ok := big.NewInt(0).SetString(r.BlockRewardStr, 10)
if !ok {
log.S().Panicf("Error when casting block reward string %s into big int", r.BlockRewardStr)
}
return val
}
// EpochReward returns the epoch reward amount
func (r *Rewarding) EpochReward() *big.Int {
val, ok := big.NewInt(0).SetString(r.EpochRewardStr, 10)
if !ok {
log.S().Panicf("Error when casting epoch reward string %s into big int", r.EpochRewardStr)
}
return val
}
// AleutianEpochReward returns the epoch reward amount after Aleutian fork
func (r *Rewarding) AleutianEpochReward() *big.Int {
val, ok := big.NewInt(0).SetString(r.AleutianEpochRewardStr, 10)
if !ok {
log.S().Panicf("Error when casting epoch reward string %s into big int", r.EpochRewardStr)
}
return val
}
// DardanellesBlockReward returns the block reward amount after dardanelles fork
func (r *Rewarding) DardanellesBlockReward() *big.Int {
val, ok := big.NewInt(0).SetString(r.DardanellesBlockRewardStr, 10)
if !ok {
log.S().Panicf("Error when casting block reward string %s into big int", r.EpochRewardStr)
}
return val
}
// ExemptAddrsFromEpochReward returns the list of addresses that exempt from epoch reward
func (r *Rewarding) ExemptAddrsFromEpochReward() []address.Address {
addrs := make([]address.Address, 0)
for _, addrStr := range r.ExemptAddrStrsFromEpochReward {
addr, err := address.FromString(addrStr)
if err != nil {
log.L().Panic("Error when decoding the rewarding protocol exempt address from string.", zap.Error(err))
}
addrs = append(addrs, addr)
}
return addrs
}
// FoundationBonus returns the bootstrap bonus amount rewarded per epoch
func (r *Rewarding) FoundationBonus() *big.Int {
val, ok := big.NewInt(0).SetString(r.FoundationBonusStr, 10)
if !ok {
log.S().Panicf("Error when casting bootstrap bonus string %s into big int", r.EpochRewardStr)
}
return val
}