frostfs-node/pkg/innerring/processors/alphabet/process_emit.go
Alex Vanin d193f1087c [] Emit gas to the storage nodes at emission tick
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2020-11-03 16:20:41 +03:00

73 lines
1.6 KiB
Go

package alphabet
import (
"crypto/elliptic"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neofs-node/pkg/innerring/invoke"
"go.uber.org/zap"
)
func (np *Processor) processEmit() {
index := np.irList.Index()
if index < 0 {
np.log.Info("passive mode, ignore gas emission event")
return
} else if int(index) >= len(np.alphabetContracts) {
np.log.Debug("node is out of alphabet range, ignore gas emission event",
zap.Int32("index", index))
return
}
err := invoke.AlphabetEmit(np.morphClient, np.alphabetContracts[index])
if err != nil {
np.log.Warn("can't invoke alphabet emit method")
return
}
if np.storageEmission == 0 {
np.log.Info("storage node emission is off")
return
}
networkMap, err := invoke.NetmapSnapshot(np.morphClient, np.netmapContract)
if err != nil {
np.log.Warn("can't get netmap snapshot to emit gas to storage nodes",
zap.String("error", err.Error()))
return
}
ln := len(networkMap.Nodes)
if ln == 0 {
np.log.Debug("empty network map, do not emit gas")
return
}
gasPerNode := util.Fixed8(np.storageEmission / uint64(ln))
for i := range networkMap.Nodes {
keyBytes := networkMap.Nodes[i].PublicKey()
key, err := keys.NewPublicKeyFromBytes(keyBytes, elliptic.P256())
if err != nil {
np.log.Warn("can't convert node public key to address",
zap.String("error", err.Error()))
continue
}
err = np.morphClient.TransferGas(key.GetScriptHash(), gasPerNode)
if err != nil {
np.log.Warn("can't transfer gas",
zap.String("receiver", key.Address()),
zap.Int64("amount", int64(gasPerNode)))
}
}
}