don't immediately publish messages that cannot be included in the nex…

…t 20 blocks

chain/messagepool/messagepool.go

@@ -363,31 +363,38 @@ func (mp *MessagePool) addLocal(m *types.SignedMessage, msgb []byte) error {
 	return nil
 }
 
-func (mp *MessagePool) verifyMsgBeforeAdd(m *types.SignedMessage, curTs *types.TipSet, local bool) error {
+func (mp *MessagePool) verifyMsgBeforeAdd(m *types.SignedMessage, curTs *types.TipSet, local bool) (bool, error) {
 	epoch := curTs.Height()
 	minGas := vm.PricelistByEpoch(epoch).OnChainMessage(m.ChainLength())
 
 	if err := m.VMMessage().ValidForBlockInclusion(minGas.Total()); err != nil {
-		return xerrors.Errorf("message will not be included in a block: %w", err)
+		return false, xerrors.Errorf("message will not be included in a block: %w", err)
 	}
 
 	// this checks if the GasFeeCap is suffisciently high for inclusion in the next 20 blocks
 	// if the GasFeeCap is too low, we soft reject the message (Ignore in pubsub) and rely
 	// on republish to push it through later, if the baseFee has fallen.
 	// this is a defensive check that stops minimum baseFee spam attacks from overloading validation
 	// queues.
-	// Note that we don't do that for local messages, so that they can be accepted and republished
-	// automatically
-	if !local && len(curTs.Blocks()) > 0 {
+	// Note that for local messages, we always add them so that they can be accepted and republished
+	// automatically.
+	publish := local
+	if len(curTs.Blocks()) > 0 {
 		baseFee := curTs.Blocks()[0].ParentBaseFee
 		baseFeeLowerBound := types.BigDiv(baseFee, baseFeeLowerBoundFactor)
 		if m.Message.GasFeeCap.LessThan(baseFeeLowerBound) {
-			return xerrors.Errorf("GasFeeCap doesn't meet base fee lower bound for inclusion in the next 20 blocks (GasFeeCap: %s, baseFeeLowerBound: %s): %w",
-				m.Message.GasFeeCap, baseFeeLowerBound, ErrSoftValidationFailure)
+			if local {
+				log.Warnf("local message will not be immediately published because GasFeeCap doesn't meet the lower bound for inclusion in the next 20 blocks (GasFeeCap: %s, baseFeeLowerBound: %s)",
+					m.Message.GasFeeCap, baseFeeLowerBound)
+				publish = false
+			} else {
+				return false, xerrors.Errorf("GasFeeCap doesn't meet base fee lower bound for inclusion in the next 20 blocks (GasFeeCap: %s, baseFeeLowerBound: %s): %w",
+					m.Message.GasFeeCap, baseFeeLowerBound, ErrSoftValidationFailure)
+			}
 		}
 	}
 
-	return nil
+	return publish, nil
 }
 
 func (mp *MessagePool) Push(m *types.SignedMessage) (cid.Cid, error) {
@@ -408,7 +415,8 @@ func (mp *MessagePool) Push(m *types.SignedMessage) (cid.Cid, error) {
 	}
 
 	mp.curTsLk.Lock()
-	if err := mp.addTs(m, mp.curTs, true); err != nil {
+	publish, err := mp.addTs(m, mp.curTs, true)
+	if err != nil {
 		mp.curTsLk.Unlock()
 		return cid.Undef, err
 	}
@@ -421,7 +429,11 @@ func (mp *MessagePool) Push(m *types.SignedMessage) (cid.Cid, error) {
 	}
 	mp.lk.Unlock()
 
-	return m.Cid(), mp.api.PubSubPublish(build.MessagesTopic(mp.netName), msgb)
+	if publish {
+		err = mp.api.PubSubPublish(build.MessagesTopic(mp.netName), msgb)
+	}
+
+	return m.Cid(), err
 }
 
 func (mp *MessagePool) checkMessage(m *types.SignedMessage) error {
@@ -469,7 +481,9 @@ func (mp *MessagePool) Add(m *types.SignedMessage) error {
 
 	mp.curTsLk.Lock()
 	defer mp.curTsLk.Unlock()
-	return mp.addTs(m, mp.curTs, false)
+
+	_, err = mp.addTs(m, mp.curTs, false)
+	return err
 }
 
 func sigCacheKey(m *types.SignedMessage) (string, error) {
@@ -536,28 +550,29 @@ func (mp *MessagePool) checkBalance(m *types.SignedMessage, curTs *types.TipSet)
 	return nil
 }
 
-func (mp *MessagePool) addTs(m *types.SignedMessage, curTs *types.TipSet, local bool) error {
+func (mp *MessagePool) addTs(m *types.SignedMessage, curTs *types.TipSet, local bool) (bool, error) {
 	snonce, err := mp.getStateNonce(m.Message.From, curTs)
 	if err != nil {
-		return xerrors.Errorf("failed to look up actor state nonce: %s: %w", err, ErrSoftValidationFailure)
+		return false, xerrors.Errorf("failed to look up actor state nonce: %s: %w", err, ErrSoftValidationFailure)
 	}
 
 	if snonce > m.Message.Nonce {
-		return xerrors.Errorf("minimum expected nonce is %d: %w", snonce, ErrNonceTooLow)
+		return false, xerrors.Errorf("minimum expected nonce is %d: %w", snonce, ErrNonceTooLow)
 	}
 
 	mp.lk.Lock()
 	defer mp.lk.Unlock()
 
-	if err := mp.verifyMsgBeforeAdd(m, curTs, local); err != nil {
-		return err
+	publish, err := mp.verifyMsgBeforeAdd(m, curTs, local)
+	if err != nil {
+		return false, err
 	}
 
 	if err := mp.checkBalance(m, curTs); err != nil {
-		return err
+		return false, err
 	}
 
-	return mp.addLocked(m, true)
+	return publish, mp.addLocked(m, true)
 }
 
 func (mp *MessagePool) addLoaded(m *types.SignedMessage) error {
@@ -583,7 +598,8 @@ func (mp *MessagePool) addLoaded(m *types.SignedMessage) error {
 	mp.lk.Lock()
 	defer mp.lk.Unlock()
 
-	if err := mp.verifyMsgBeforeAdd(m, curTs, true); err != nil {
+	_, err = mp.verifyMsgBeforeAdd(m, curTs, true)
+	if err != nil {
 		return err
 	}
 
@@ -769,7 +785,8 @@ func (mp *MessagePool) PushWithNonce(ctx context.Context, addr address.Address,
 		return nil, ErrTryAgain
 	}
 
-	if err := mp.verifyMsgBeforeAdd(msg, curTs, true); err != nil {
+	publish, err := mp.verifyMsgBeforeAdd(msg, curTs, true)
+	if err != nil {
 		return nil, err
 	}
 
@@ -784,7 +801,11 @@ func (mp *MessagePool) PushWithNonce(ctx context.Context, addr address.Address,
 		log.Errorf("addLocal failed: %+v", err)
 	}
 
-	return msg, mp.api.PubSubPublish(build.MessagesTopic(mp.netName), msgb)
+	if publish {
+		err = mp.api.PubSubPublish(build.MessagesTopic(mp.netName), msgb)
+	}
+
+	return msg, err
 }
 
 func (mp *MessagePool) Remove(from address.Address, nonce uint64, applied bool) {