Add uuid to mpool message sent to chain node from miner

node/builder_miner.go

@@ -2,6 +2,7 @@ package node
 
 import (
 	"errors"
+	"github.com/filecoin-project/lotus/api/v1api"
 	"time"
 
 	"go.uber.org/fx"
@@ -77,6 +78,7 @@ func ConfigStorageMiner(c interface{}) Option {
 
 	return Options(
 
+		Override(new(v1api.FullNode), modules.GetUuidWrapper),
 		// Needed to instantiate pubsub used by index provider via ConfigCommon
 		Override(new(dtypes.DrandSchedule), modules.BuiltinDrandConfig),
 		Override(new(dtypes.BootstrapPeers), modules.BuiltinBootstrap),

node/impl/full/mpool.go

@@ -3,12 +3,12 @@ package full
 import (
 	"context"
 	"encoding/json"
-
+	"github.com/filecoin-project/go-address"
 	"github.com/ipfs/go-cid"
+
 	"go.uber.org/fx"
 	"golang.org/x/xerrors"
 
-	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/big"
 
 	"github.com/filecoin-project/lotus/api"
@@ -141,6 +141,16 @@ func (a *MpoolAPI) MpoolPushMessage(ctx context.Context, msg *types.Message, spe
 	cp := *msg
 	msg = &cp
 	inMsg := *msg
+
+	// Check if this uuid has already been processed
+	if spec != nil {
+		signedMessage, err := a.MessageSigner.GetSignedMessage(ctx, spec.MsgUuid)
+		if err == nil {
+			log.Warnf("Message already processed. cid=%s", signedMessage.Cid())
+			return signedMessage, nil
+		}
+	}
+
 	fromA, err := a.Stmgr.ResolveToKeyAddress(ctx, msg.From, nil)
 	if err != nil {
 		return nil, xerrors.Errorf("getting key address: %w", err)
@@ -185,12 +195,25 @@ func (a *MpoolAPI) MpoolPushMessage(ctx context.Context, msg *types.Message, spe
 	}
 
 	// Sign and push the message
-	return a.MessageSigner.SignMessage(ctx, msg, func(smsg *types.SignedMessage) error {
+	signedMsg, err := a.MessageSigner.SignMessage(ctx, msg, func(smsg *types.SignedMessage) error {
 		if _, err := a.MpoolModuleAPI.MpoolPush(ctx, smsg); err != nil {
 			return xerrors.Errorf("mpool push: failed to push message: %w", err)
 		}
 		return nil
 	})
+	if err != nil {
+		return nil, err
+	}
+
+	// Store uuid->signed message in datastore
+	if spec != nil {
+		err = a.MessageSigner.StoreSignedMessage(ctx, spec.MsgUuid, signedMsg)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return signedMsg, nil
 }
 
 func (a *MpoolAPI) MpoolBatchPush(ctx context.Context, smsgs []*types.SignedMessage) ([]cid.Cid, error) {

node/modules/storageminer.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"github.com/google/uuid"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -79,6 +80,19 @@ var (
 	StagingAreaDirName     = "deal-staging"
 )
 
+type UuidWrapper struct {
+	v1api.FullNode
+}
+
+func (a *UuidWrapper) MpoolPushMessage(ctx context.Context, msg *types.Message, spec *api.MessageSendSpec) (*types.SignedMessage, error) {
+	spec.MsgUuid = uuid.New()
+	return a.FullNode.MpoolPushMessage(ctx, msg, spec)
+}
+
+func GetUuidWrapper(a v1api.RawFullNodeAPI) v1api.FullNode {
+	return &UuidWrapper{a}
+}
+
 func minerAddrFromDS(ds dtypes.MetadataDS) (address.Address, error) {
 	maddrb, err := ds.Get(context.TODO(), datastore.NewKey("miner-address"))
 	if err != nil {