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mpool_submodule.go
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/
mpool_submodule.go
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package mpool
import (
"bytes"
"context"
"errors"
"fmt"
"os"
"strconv"
"sync"
"time"
pubsub "github.com/libp2p/go-libp2p-pubsub"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/filecoin-project/go-address"
logging "github.com/ipfs/go-log"
"github.com/filecoin-project/venus/app/submodule/chain"
"github.com/filecoin-project/venus/app/submodule/network"
"github.com/filecoin-project/venus/app/submodule/wallet"
chainpkg "github.com/filecoin-project/venus/pkg/chain"
"github.com/filecoin-project/venus/pkg/config"
"github.com/filecoin-project/venus/pkg/constants"
"github.com/filecoin-project/venus/pkg/messagepool"
"github.com/filecoin-project/venus/pkg/messagepool/journal"
"github.com/filecoin-project/venus/pkg/repo"
v0api "github.com/filecoin-project/venus/venus-shared/api/chain/v0"
v1api "github.com/filecoin-project/venus/venus-shared/api/chain/v1"
"github.com/filecoin-project/venus/venus-shared/types"
)
var pubsubMsgsSyncEpochs = 10
func init() {
if s := os.Getenv("VENUS_MSGS_SYNC_EPOCHS"); s != "" {
val, err := strconv.Atoi(s)
if err != nil {
log.Errorf("failed to parse LOTUS_MSGS_SYNC_EPOCHS: %s", err)
return
}
pubsubMsgsSyncEpochs = val
}
}
var log = logging.Logger("mpool")
type messagepoolConfig interface {
Repo() repo.Repo
}
// MessagingSubmodule enhances the `Node` with internal message capabilities.
type MessagePoolSubmodule struct { //nolint
// Network Fields
MessageSub *pubsub.Subscription
MPool *messagepool.MessagePool
msgSigner *messagepool.MessageSigner
chain *chain.ChainSubmodule
network *network.NetworkSubmodule
walletAPI v1api.IWallet
networkCfg *config.NetworkParamsConfig
}
func OpenFilesystemJournal(lr repo.Repo) (journal.Journal, error) {
jrnl, err := journal.OpenFSJournal(lr, journal.EnvDisabledEvents())
if err != nil {
return nil, err
}
return jrnl, err
}
func NewMpoolSubmodule(ctx context.Context, cfg messagepoolConfig,
network *network.NetworkSubmodule,
chain *chain.ChainSubmodule,
wallet *wallet.WalletSubmodule,
) (*MessagePoolSubmodule, error) {
mpp := messagepool.NewProvider(chain.Stmgr, chain.ChainReader, chain.MessageStore, cfg.Repo().Config().NetworkParams, network.Pubsub)
j, err := OpenFilesystemJournal(cfg.Repo())
if err != nil {
return nil, err
}
mp, err := messagepool.New(ctx, mpp, chain.Stmgr, cfg.Repo().MetaDatastore(), cfg.Repo().Config().NetworkParams,
cfg.Repo().Config().Mpool, network.NetworkName, j)
if err != nil {
return nil, fmt.Errorf("constructing mpool: %s", err)
}
return &MessagePoolSubmodule{
MPool: mp,
chain: chain,
walletAPI: wallet.API(),
network: network,
networkCfg: cfg.Repo().Config().NetworkParams,
msgSigner: messagepool.NewMessageSigner(wallet.WalletIntersection(), mp, cfg.Repo().MetaDatastore()),
}, nil
}
func (mp *MessagePoolSubmodule) handleIncomingMessage(ctx context.Context) {
for {
_, err := mp.MessageSub.Next(ctx)
if err != nil {
log.Warn("error from message subscription: ", err)
if ctx.Err() != nil {
log.Warn("quitting HandleIncomingMessages loop")
return
}
continue
}
}
}
func (mp *MessagePoolSubmodule) Validate(ctx context.Context, pid peer.ID, msg *pubsub.Message) pubsub.ValidationResult {
if pid == mp.network.Host.ID() {
return mp.validateLocalMessage(ctx, msg)
}
m := &types.SignedMessage{}
if err := m.UnmarshalCBOR(bytes.NewReader(msg.GetData())); err != nil {
log.Warnf("failed to decode incoming message: %s", err)
return pubsub.ValidationReject
}
log.Debugf("validate incoming msg:%s", m.Cid().String())
if err := mp.MPool.Add(ctx, m); err != nil {
log.Debugf("failed to add message from network to message pool (From: %s, To: %s, Nonce: %d, Value: %s): %s", m.Message.From, m.Message.To, m.Message.Nonce, types.FIL(m.Message.Value), err)
switch {
case errors.Is(err, messagepool.ErrSoftValidationFailure):
fallthrough
case errors.Is(err, messagepool.ErrRBFTooLowPremium):
fallthrough
case errors.Is(err, messagepool.ErrTooManyPendingMessages):
fallthrough
case errors.Is(err, messagepool.ErrNonceGap):
fallthrough
case errors.Is(err, messagepool.ErrNonceTooLow):
return pubsub.ValidationIgnore
default:
return pubsub.ValidationReject
}
}
return pubsub.ValidationAccept
}
func (mp *MessagePoolSubmodule) validateLocalMessage(ctx context.Context, msg *pubsub.Message) pubsub.ValidationResult {
m := &types.SignedMessage{}
if err := m.UnmarshalCBOR(bytes.NewReader(msg.GetData())); err != nil {
return pubsub.ValidationIgnore
}
if m.ChainLength() > messagepool.MaxMessageSize {
log.Warnf("local message is too large! (%dB)", m.ChainLength())
return pubsub.ValidationIgnore
}
if m.Message.To == address.Undef {
log.Warn("local message has invalid destination address")
return pubsub.ValidationIgnore
}
if !m.Message.Value.LessThan(types.TotalFilecoinInt) {
log.Warnf("local messages has too high value: %s", m.Message.Value)
return pubsub.ValidationIgnore
}
if err := mp.MPool.VerifyMsgSig(m); err != nil {
log.Warnf("signature verification failed for local message: %s", err)
return pubsub.ValidationIgnore
}
return pubsub.ValidationAccept
}
// Start to the message pubsub topic to learn about messages to mine into blocks.
func (mp *MessagePoolSubmodule) Start(ctx context.Context) error {
topicName := types.MessageTopic(mp.network.NetworkName)
var err error
if err = mp.network.Pubsub.RegisterTopicValidator(topicName, mp.Validate); err != nil {
return err
}
msgTopic, err := mp.network.Pubsub.Join(topicName)
if err != nil {
return err
}
var once sync.Once
subscribe := func() {
once.Do(func() {
var err error
if mp.MessageSub, err = msgTopic.Subscribe(); err != nil {
panic(err)
}
go mp.handleIncomingMessage(ctx)
})
}
// wait until we are synced within 10 epochs
go mp.waitForSync(pubsubMsgsSyncEpochs, subscribe)
return nil
}
func (mp *MessagePoolSubmodule) waitForSync(epochs int, subscribe func()) {
nearsync := time.Duration(epochs*int(mp.networkCfg.BlockDelay)) * time.Second
// early check, are we synced at start up?
ts := mp.chain.ChainReader.GetHead()
timestamp := ts.MinTimestamp()
timestampTime := time.Unix(int64(timestamp), 0)
if constants.Clock.Since(timestampTime) < nearsync {
subscribe()
return
}
// we are not synced, subscribe to head changes and wait for sync
mp.chain.ChainReader.SubscribeHeadChanges(func(rev, app []*types.TipSet) error {
if len(app) == 0 {
return nil
}
latest := app[0].MinTimestamp()
for _, ts := range app[1:] {
timestamp := ts.MinTimestamp()
if timestamp > latest {
latest = timestamp
}
}
latestTime := time.Unix(int64(latest), 0)
if constants.Clock.Since(latestTime) < nearsync {
subscribe()
return chainpkg.ErrNotifeeDone
}
return nil
})
}
func (mp *MessagePoolSubmodule) Stop(ctx context.Context) {
err := mp.MPool.Close()
if err != nil {
log.Errorf("failed to close mpool: %s", err)
}
if mp.MessageSub != nil {
mp.MessageSub.Cancel()
}
}
// API create a new mpool api implement
func (mp *MessagePoolSubmodule) API() v1api.IMessagePool {
pushLocks := messagepool.NewMpoolLocker()
return &MessagePoolAPI{mp: mp, pushLocks: pushLocks}
}
func (mp *MessagePoolSubmodule) V0API() v0api.IMessagePool {
pushLocks := messagepool.NewMpoolLocker()
return &MessagePoolAPI{mp: mp, pushLocks: pushLocks}
}