lotus/chain/messagepool/config.go
2020-08-07 20:20:22 +03:00

74 lines
1.6 KiB
Go

package messagepool
import (
"encoding/json"
"time"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/node/modules/dtypes"
"github.com/ipfs/go-datastore"
)
var (
ReplaceByFeeRatioDefault = 1.25
MemPoolSizeLimitHiDefault = 30000
MemPoolSizeLimitLoDefault = 20000
PruneCooldownDefault = time.Minute
ConfigKey = datastore.NewKey("/mpool/config")
)
func loadConfig(ds dtypes.MetadataDS) (*types.MpoolConfig, error) {
haveCfg, err := ds.Has(ConfigKey)
if err != nil {
return nil, err
}
if !haveCfg {
return DefaultConfig(), nil
}
cfgBytes, err := ds.Get(ConfigKey)
if err != nil {
return nil, err
}
cfg := new(types.MpoolConfig)
err = json.Unmarshal(cfgBytes, cfg)
return cfg, err
}
func saveConfig(cfg *types.MpoolConfig, ds dtypes.MetadataDS) error {
cfgBytes, err := json.Marshal(cfg)
if err != nil {
return err
}
return ds.Put(ConfigKey, cfgBytes)
}
func (mp *MessagePool) GetConfig() *types.MpoolConfig {
mp.cfgLk.Lock()
defer mp.cfgLk.Unlock()
return mp.cfg.Clone()
}
func (mp *MessagePool) SetConfig(cfg *types.MpoolConfig) {
cfg = cfg.Clone()
mp.cfgLk.Lock()
mp.cfg = cfg
mp.rbfNum = types.NewInt(uint64((cfg.ReplaceByFeeRatio - 1) * RbfDenom))
err := saveConfig(cfg, mp.ds)
if err != nil {
log.Warnf("error persisting mpool config: %s", err)
}
mp.cfgLk.Unlock()
}
func DefaultConfig() *types.MpoolConfig {
return &types.MpoolConfig{
SizeLimitHigh: MemPoolSizeLimitHiDefault,
SizeLimitLow: MemPoolSizeLimitLoDefault,
ReplaceByFeeRatio: ReplaceByFeeRatioDefault,
PruneCooldown: PruneCooldownDefault,
}
}