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entity.go
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entity.go
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package blockchain
import (
"encoding/json"
"github.com/0chain/gosdk/core/util"
"math"
"sync"
"sync/atomic"
"github.com/0chain/gosdk/core/conf"
"github.com/0chain/gosdk/core/node"
)
var miners []string
var mGuard sync.Mutex
func getMinMinersSubmit() int {
minMiners := util.MaxInt(calculateMinRequired(float64(chain.MinSubmit), float64(len(chain.Miners))/100), 1)
return minMiners
}
func calculateMinRequired(minRequired, percent float64) int {
return int(math.Ceil(minRequired * percent))
}
func GetStableMiners() []string {
mGuard.Lock()
defer mGuard.Unlock()
if len(miners) == 0 {
miners = util.GetRandom(chain.Miners, getMinMinersSubmit())
}
return miners
}
func ResetStableMiners() {
mGuard.Lock()
defer mGuard.Unlock()
miners = util.GetRandom(chain.Miners, getMinMinersSubmit())
}
type ChainConfig struct {
BlockWorker string
Sharders []string
Miners []string
MinSubmit int
MinConfirmation int
ChainID string
MaxTxnQuery int
QuerySleepTime int
}
// StakePoolSettings information.
type StakePoolSettings struct {
DelegateWallet string `json:"delegate_wallet"`
NumDelegates int `json:"num_delegates"`
ServiceCharge float64 `json:"service_charge"`
}
// UpdateStakePoolSettings information.
type UpdateStakePoolSettings struct {
DelegateWallet *string `json:"delegate_wallet,omitempty"`
NumDelegates *int `json:"num_delegates,omitempty"`
ServiceCharge *float64 `json:"service_charge,omitempty"`
}
type ValidationNode struct {
ID string `json:"id"`
BaseURL string `json:"url"`
StakePoolSettings StakePoolSettings `json:"stake_pool_settings"`
}
type UpdateValidationNode struct {
ID string `json:"id"`
BaseURL *string `json:"url"`
StakePoolSettings *UpdateStakePoolSettings `json:"stake_pool_settings"`
}
type StorageNode struct {
ID string `json:"id"`
Baseurl string `json:"url"`
skip uint64 `json:"-"` // skip on error
}
func (sn *StorageNode) SetSkip(t bool) {
var val uint64
if t {
val = 1
}
atomic.StoreUint64(&sn.skip, val)
}
func (sn *StorageNode) IsSkip() bool {
return atomic.LoadUint64(&sn.skip) > 0
}
func PopulateNodes(nodesjson string) ([]string, error) {
sharders := make([]string, 0)
err := json.Unmarshal([]byte(nodesjson), &sharders)
return sharders, err
}
var chain *ChainConfig
var Sharders *node.NodeHolder
func init() {
chain = &ChainConfig{
MaxTxnQuery: 5,
QuerySleepTime: 5,
MinSubmit: 10,
MinConfirmation: 10,
}
}
func GetChainID() string {
return chain.ChainID
}
func PopulateChain(minerjson string, sharderjson string) error {
var err error
chain.Miners, err = PopulateNodes(minerjson)
if err != nil {
return err
}
sharders, err := PopulateNodes(sharderjson)
if err != nil {
return err
}
SetSharders(sharders)
return nil
}
func GetBlockWorker() string {
return chain.BlockWorker
}
func GetAllSharders() []string {
return Sharders.All()
}
func GetSharders() []string {
return Sharders.Healthy()
}
func GetMiners() []string {
return chain.Miners
}
func GetMaxTxnQuery() int {
return chain.MaxTxnQuery
}
func GetQuerySleepTime() int {
return chain.QuerySleepTime
}
func GetMinSubmit() int {
return chain.MinSubmit
}
func GetMinConfirmation() int {
return chain.MinConfirmation
}
func SetBlockWorker(blockWorker string) {
chain.BlockWorker = blockWorker
}
func SetSharders(sharderArray []string) {
consensus := conf.DefaultSharderConsensous
config, err := conf.GetClientConfig()
if err == nil && config != nil {
consensus = config.SharderConsensous
}
if len(sharderArray) < consensus {
consensus = len(sharderArray)
}
Sharders = node.NewHolder(sharderArray, consensus)
}
func SetMiners(minerArray []string) {
chain.Miners = minerArray
}
func SetChainID(id string) {
chain.ChainID = id
}
func SetMaxTxnQuery(num int) {
chain.MaxTxnQuery = num
}
func SetQuerySleepTime(time int) {
chain.QuerySleepTime = time
}
func SetMinSubmit(minSubmit int) {
chain.MinSubmit = minSubmit
}
func SetMinConfirmation(minConfirmation int) {
chain.MinConfirmation = minConfirmation
}