forked from TrueCloudLab/frostfs-node
[#141] Fix double sidechain GAS emission on asset mint
Signed-off-by: Alex Vanin <alexey@nspcc.ru>support/v0.27
parent
0c49c08609
commit
97077294fc
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@ -85,4 +85,7 @@ func defaultConfiguration(cfg *viper.Viper) {
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cfg.SetDefault("netmap_cleaner.threshold", 3)
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cfg.SetDefault("emit.storage.amount", 0)
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cfg.SetDefault("emit.mint.cache_size", 1000)
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cfg.SetDefault("emit.mint.threshold", 1)
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cfg.SetDefault("emit.mint.value", 20000000) // 0.2 Fixed8
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}
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1
go.mod
1
go.mod
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@ -7,6 +7,7 @@ require (
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github.com/alecthomas/participle v0.6.0
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github.com/golang/protobuf v1.4.3
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github.com/google/uuid v1.1.1
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github.com/hashicorp/golang-lru v0.5.4
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github.com/mitchellh/go-homedir v1.1.0
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github.com/mr-tron/base58 v1.1.3
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github.com/multiformats/go-multiaddr v0.2.0
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@ -231,15 +231,18 @@ func New(ctx context.Context, log *zap.Logger, cfg *viper.Viper) (*Server, error
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// create mainnnet neofs processor
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neofsProcessor, err := neofs.New(&neofs.Params{
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Log: log,
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PoolSize: cfg.GetInt("workers.neofs"),
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NeoFSContract: server.contracts.neofs,
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BalanceContract: server.contracts.balance,
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NetmapContract: server.contracts.netmap,
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MorphClient: server.morphClient,
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EpochState: server,
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ActiveState: server,
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Converter: &server.precision,
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Log: log,
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PoolSize: cfg.GetInt("workers.neofs"),
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NeoFSContract: server.contracts.neofs,
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BalanceContract: server.contracts.balance,
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NetmapContract: server.contracts.netmap,
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MorphClient: server.morphClient,
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EpochState: server,
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ActiveState: server,
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Converter: &server.precision,
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MintEmitCacheSize: cfg.GetInt("emit.mint.cache_size"),
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MintEmitThreshold: cfg.GetUint64("emit.mint.threshold"),
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MintEmitValue: util.Fixed8(cfg.GetInt64("emit.mint.value")),
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})
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if err != nil {
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return nil, err
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@ -34,12 +34,34 @@ func (np *Processor) processDeposit(deposit *neofsEvent.Deposit) {
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np.log.Error("can't transfer assets to balance contract", zap.Error(err))
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}
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// fixme: send gas when ^ tx accepted
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// fixme: do not send gas to the same user twice per epoch
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err = np.morphClient.TransferGas(deposit.To(), util.Fixed8FromInt64(2))
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if err != nil {
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np.log.Error("can't transfer native gas to receiver", zap.Error(err))
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curEpoch := np.epochState.EpochCounter()
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receiver := deposit.To()
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// check if receiver already received some mint GAS emissions
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// we should lock there even though LRU cache is already thread save
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// we lock there because GAS transfer AND cache update must be atomic
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np.mintEmitLock.Lock()
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defer np.mintEmitLock.Unlock()
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val, ok := np.mintEmitCache.Get(receiver.String())
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if ok && val.(uint64)+np.mintEmitThreshold >= curEpoch {
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np.log.Warn("double mint emission declined",
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zap.String("receiver", receiver.String()),
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zap.Uint64("last_emission", val.(uint64)),
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zap.Uint64("current_epoch", curEpoch))
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return
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}
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err = np.morphClient.TransferGas(receiver, np.mintEmitValue)
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if err != nil {
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np.log.Error("can't transfer native gas to receiver",
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zap.String("error", err.Error()))
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return
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}
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np.mintEmitCache.Add(receiver.String(), curEpoch)
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}
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// Process withdraw event by locking assets in balance account.
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@ -1,6 +1,9 @@
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package neofs
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import (
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"sync"
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lru "github.com/hashicorp/golang-lru"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event"
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@ -28,28 +31,35 @@ type (
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// Processor of events produced by neofs contract in main net.
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Processor struct {
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log *zap.Logger
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pool *ants.Pool
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neofsContract util.Uint160
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balanceContract util.Uint160
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netmapContract util.Uint160
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morphClient *client.Client
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epochState EpochState
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activeState ActiveState
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converter PrecisionConverter
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log *zap.Logger
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pool *ants.Pool
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neofsContract util.Uint160
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balanceContract util.Uint160
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netmapContract util.Uint160
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morphClient *client.Client
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epochState EpochState
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activeState ActiveState
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converter PrecisionConverter
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mintEmitLock *sync.Mutex
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mintEmitCache *lru.Cache
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mintEmitThreshold uint64
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mintEmitValue util.Fixed8
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}
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// Params of the processor constructor.
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Params struct {
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Log *zap.Logger
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PoolSize int
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NeoFSContract util.Uint160
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BalanceContract util.Uint160
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NetmapContract util.Uint160
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MorphClient *client.Client
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EpochState EpochState
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ActiveState ActiveState
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Converter PrecisionConverter
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Log *zap.Logger
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PoolSize int
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NeoFSContract util.Uint160
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BalanceContract util.Uint160
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NetmapContract util.Uint160
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MorphClient *client.Client
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EpochState EpochState
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ActiveState ActiveState
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Converter PrecisionConverter
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MintEmitCacheSize int
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MintEmitThreshold uint64 // in epochs
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MintEmitValue util.Fixed8
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}
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)
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@ -83,16 +93,25 @@ func New(p *Params) (*Processor, error) {
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return nil, errors.Wrap(err, "ir/neofs: can't create worker pool")
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}
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lruCache, err := lru.New(p.MintEmitCacheSize)
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if err != nil {
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return nil, errors.Wrap(err, "ir/neofs: can't create LRU cache for gas emission")
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}
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return &Processor{
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log: p.Log,
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pool: pool,
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neofsContract: p.NeoFSContract,
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balanceContract: p.BalanceContract,
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netmapContract: p.NetmapContract,
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morphClient: p.MorphClient,
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epochState: p.EpochState,
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activeState: p.ActiveState,
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converter: p.Converter,
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log: p.Log,
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pool: pool,
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neofsContract: p.NeoFSContract,
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balanceContract: p.BalanceContract,
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netmapContract: p.NetmapContract,
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morphClient: p.MorphClient,
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epochState: p.EpochState,
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activeState: p.ActiveState,
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converter: p.Converter,
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mintEmitLock: new(sync.Mutex),
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mintEmitCache: lruCache,
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mintEmitThreshold: p.MintEmitThreshold,
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mintEmitValue: p.MintEmitValue,
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}, nil
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}
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