lotus/chain/messagepool/config.go

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package messagepool
import (
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"encoding/json"
"fmt"
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"time"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
"github.com/ipfs/go-datastore"
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)
var (
ReplaceByFeeRatioDefault = 1.25
MemPoolSizeLimitHiDefault = 30000
MemPoolSizeLimitLoDefault = 20000
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PruneCooldownDefault = time.Minute
GasLimitOverestimation = 1.25
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ConfigKey = datastore.NewKey("/mpool/config")
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)
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func loadConfig(ds dtypes.MetadataDS) (*types.MpoolConfig, error) {
haveCfg, err := ds.Has(ConfigKey)
if err != nil {
return nil, err
}
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if !haveCfg {
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return DefaultConfig(), nil
}
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cfgBytes, err := ds.Get(ConfigKey)
if err != nil {
return nil, err
}
cfg := new(types.MpoolConfig)
err = json.Unmarshal(cfgBytes, cfg)
return cfg, err
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}
func saveConfig(cfg *types.MpoolConfig, ds dtypes.MetadataDS) error {
cfgBytes, err := json.Marshal(cfg)
if err != nil {
return err
}
return ds.Put(ConfigKey, cfgBytes)
}
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func (mp *MessagePool) GetConfig() *types.MpoolConfig {
return mp.getConfig().Clone()
}
func (mp *MessagePool) getConfig() *types.MpoolConfig {
mp.cfgLk.RLock()
defer mp.cfgLk.RUnlock()
return mp.cfg
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}
func validateConfg(cfg *types.MpoolConfig) error {
if cfg.ReplaceByFeeRatio < ReplaceByFeeRatioDefault {
return fmt.Errorf("'ReplaceByFeeRatio' is less than required %f < %f",
cfg.ReplaceByFeeRatio, ReplaceByFeeRatioDefault)
}
if cfg.GasLimitOverestimation < 1 {
return fmt.Errorf("'GasLimitOverestimation' cannot be less than 1")
}
return nil
}
func (mp *MessagePool) SetConfig(cfg *types.MpoolConfig) error {
if err := validateConfg(cfg); err != nil {
return err
}
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cfg = cfg.Clone()
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mp.cfgLk.Lock()
mp.cfg = cfg
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err := saveConfig(cfg, mp.ds)
if err != nil {
log.Warnf("error persisting mpool config: %s", err)
}
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mp.cfgLk.Unlock()
return nil
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}
func DefaultConfig() *types.MpoolConfig {
return &types.MpoolConfig{
SizeLimitHigh: MemPoolSizeLimitHiDefault,
SizeLimitLow: MemPoolSizeLimitLoDefault,
ReplaceByFeeRatio: ReplaceByFeeRatioDefault,
PruneCooldown: PruneCooldownDefault,
GasLimitOverestimation: GasLimitOverestimation,
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}
}