feat(coordinator): assign static prover first and avoid reassigning failed task to same prover

common/version/version.go

@@ -5,7 +5,7 @@ import (
 	"runtime/debug"
 )
 
-var tag = "v4.4.85"
+var tag = "v4.4.86"
 
 var commit = func() string {
 	if info, ok := debug.ReadBuildInfo(); ok {

coordinator/conf/config.json

@@ -2,6 +2,7 @@
   "prover_manager": {
     "provers_per_session": 1,
     "session_attempts": 5,
+    "external_prover_threshold": 32,
     "bundle_collection_time_sec": 180,
     "batch_collection_time_sec": 180,
     "chunk_collection_time_sec": 180,

coordinator/internal/config/config.go

@@ -16,6 +16,8 @@ type ProverManager struct {
 	// Number of attempts that a session can be retried if previous attempts failed.
 	// Currently we only consider proving timeout as failure here.
 	SessionAttempts uint8 `json:"session_attempts"`
+	// Threshold for activating the external prover based on unassigned task count.
+	ExternalProverThreshold int64 `json:"external_prover_threshold"`
 	// Zk verifier config.
 	Verifier *VerifierConfig `json:"verifier"`
 	// BatchCollectionTimeSec batch Proof collection time (in seconds).

coordinator/internal/controller/api/auth.go

@@ -70,10 +70,11 @@ func (a *AuthController) PayloadFunc(data interface{}) jwt.MapClaims {
 	}
 
 	return jwt.MapClaims{
-		types.HardForkName:  v.HardForkName,
-		types.PublicKey:     v.PublicKey,
-		types.ProverName:    v.Message.ProverName,
-		types.ProverVersion: v.Message.ProverVersion,
+		types.HardForkName:          v.HardForkName,
+		types.PublicKey:             v.PublicKey,
+		types.ProverName:            v.Message.ProverName,
+		types.ProverVersion:         v.Message.ProverVersion,
+		types.ProverProviderTypeKey: v.Message.ProverProviderType,
 	}
 }
 
@@ -96,5 +97,9 @@ func (a *AuthController) IdentityHandler(c *gin.Context) interface{} {
 		c.Set(types.HardForkName, hardForkName)
 	}
 
+	if providerType, ok := claims[types.ProverProviderTypeKey]; ok {
+		c.Set(types.ProverProviderTypeKey, providerType)
+	}
+
 	return nil
 }

coordinator/internal/logic/auth/login.go

@@ -106,6 +106,18 @@ func (l *LoginLogic) Check(login *types.LoginParameter) error {
 			}
 		}
 	}
+
+
+	if login.Message.ProverProviderType != types.ProverProviderTypeInternal && login.Message.ProverProviderType != types.ProverProviderTypeExternal {
+		// for backward compatibility, set ProverProviderType as internal
+		if login.Message.ProverProviderType == types.ProverProviderTypeUndefined {
+			login.Message.ProverProviderType = types.ProverProviderTypeInternal
+		} else {
+			log.Error("invalid prover_provider_type", "value", login.Message.ProverProviderType, "prover name", login.Message.ProverName, "prover_version", login.Message.ProverVersion)
+			return errors.New("invalid prover provider type.")
+		}
+	}
+
 	return nil
 }
 

coordinator/internal/logic/provertask/batch_prover_task.go

@@ -22,6 +22,7 @@ import (
 	"scroll-tech/coordinator/internal/config"
 	"scroll-tech/coordinator/internal/orm"
 	coordinatorType "scroll-tech/coordinator/internal/types"
+	cutils "scroll-tech/coordinator/internal/utils"
 )
 
 // BatchProverTask is prover task implement for batch proof
@@ -63,6 +64,18 @@ func (bp *BatchProverTask) Assign(ctx *gin.Context, getTaskParameter *coordinato
 
 	maxActiveAttempts := bp.cfg.ProverManager.ProversPerSession
 	maxTotalAttempts := bp.cfg.ProverManager.SessionAttempts
+	if taskCtx.ProverProviderType == uint8(coordinatorType.ProverProviderTypeExternal) {
+		unassignedBatchCount, getCountError := bp.batchOrm.GetUnassignedBatchCount(ctx.Copy(), maxActiveAttempts, maxTotalAttempts)
+		if getCountError != nil {
+			log.Error("failed to get unassigned batch proving tasks count", "height", getTaskParameter.ProverHeight, "err", getCountError)
+			return nil, ErrCoordinatorInternalFailure
+		}
+		// Assign external prover if unassigned task number exceeds threshold
+		if unassignedBatchCount < bp.cfg.ProverManager.ExternalProverThreshold {
+			return nil, nil
+		}
+	}
+
 	var batchTask *orm.Batch
 	for i := 0; i < 5; i++ {
 		var getTaskError error
@@ -88,6 +101,20 @@ func (bp *BatchProverTask) Assign(ctx *gin.Context, getTaskParameter *coordinato
 			return nil, nil
 		}
 
+		// Don't dispatch the same failing job to the same prover
+		proverTasks, getTaskError := bp.proverTaskOrm.GetFailedProverTasksByHash(ctx.Copy(), message.ProofTypeBatch, tmpBatchTask.Hash, 2)
+		if getTaskError != nil {
+			log.Error("failed to get prover tasks", "proof type", message.ProofTypeBatch.String(), "task ID", tmpBatchTask.Hash, "error", getTaskError)
+			return nil, ErrCoordinatorInternalFailure
+		}
+		for i := 0; i < len(proverTasks); i++ {
+			if proverTasks[i].ProverPublicKey == taskCtx.PublicKey ||
+				taskCtx.ProverProviderType == uint8(coordinatorType.ProverProviderTypeExternal) && cutils.IsExternalProverNameMatch(proverTasks[i].ProverName, taskCtx.ProverName) {
+				log.Debug("get empty batch, the prover already failed this task", "height", getTaskParameter.ProverHeight)
+				return nil, nil
+			}
+		}
+
 		rowsAffected, updateAttemptsErr := bp.batchOrm.UpdateBatchAttempts(ctx.Copy(), tmpBatchTask.Index, tmpBatchTask.ActiveAttempts, tmpBatchTask.TotalAttempts)
 		if updateAttemptsErr != nil {
 			log.Error("failed to update batch attempts", "height", getTaskParameter.ProverHeight, "err", updateAttemptsErr)

coordinator/internal/logic/provertask/bundle_prover_task.go

@@ -21,6 +21,7 @@ import (
 	"scroll-tech/coordinator/internal/config"
 	"scroll-tech/coordinator/internal/orm"
 	coordinatorType "scroll-tech/coordinator/internal/types"
+	cutils "scroll-tech/coordinator/internal/utils"
 )
 
 // BundleProverTask is prover task implement for bundle proof
@@ -63,6 +64,18 @@ func (bp *BundleProverTask) Assign(ctx *gin.Context, getTaskParameter *coordinat
 
 	maxActiveAttempts := bp.cfg.ProverManager.ProversPerSession
 	maxTotalAttempts := bp.cfg.ProverManager.SessionAttempts
+	if taskCtx.ProverProviderType == uint8(coordinatorType.ProverProviderTypeExternal) {
+		unassignedBundleCount, getCountError := bp.bundleOrm.GetUnassignedBundleCount(ctx.Copy(), maxActiveAttempts, maxTotalAttempts)
+		if getCountError != nil {
+			log.Error("failed to get unassigned bundle proving tasks count", "height", getTaskParameter.ProverHeight, "err", getCountError)
+			return nil, ErrCoordinatorInternalFailure
+		}
+		// Assign external prover if unassigned task number exceeds threshold
+		if unassignedBundleCount < bp.cfg.ProverManager.ExternalProverThreshold {
+			return nil, nil
+		}
+	}
+
 	var bundleTask *orm.Bundle
 	for i := 0; i < 5; i++ {
 		var getTaskError error
@@ -88,6 +101,20 @@ func (bp *BundleProverTask) Assign(ctx *gin.Context, getTaskParameter *coordinat
 			return nil, nil
 		}
 
+		// Don't dispatch the same failing job to the same prover
+		proverTasks, getTaskError := bp.proverTaskOrm.GetFailedProverTasksByHash(ctx.Copy(), message.ProofTypeBundle, tmpBundleTask.Hash, 2)
+		if getTaskError != nil {
+			log.Error("failed to get prover tasks", "proof type", message.ProofTypeBundle.String(), "task ID", tmpBundleTask.Hash, "error", getTaskError)
+			return nil, ErrCoordinatorInternalFailure
+		}
+		for i := 0; i < len(proverTasks); i++ {
+			if proverTasks[i].ProverPublicKey == taskCtx.PublicKey ||
+				taskCtx.ProverProviderType == uint8(coordinatorType.ProverProviderTypeExternal) && cutils.IsExternalProverNameMatch(proverTasks[i].ProverName, taskCtx.ProverName) {
+				log.Debug("get empty bundle, the prover already failed this task", "height", getTaskParameter.ProverHeight)
+				return nil, nil
+			}
+		}
+
 		rowsAffected, updateAttemptsErr := bp.bundleOrm.UpdateBundleAttempts(ctx.Copy(), tmpBundleTask.Hash, tmpBundleTask.ActiveAttempts, tmpBundleTask.TotalAttempts)
 		if updateAttemptsErr != nil {
 			log.Error("failed to update bundle attempts", "height", getTaskParameter.ProverHeight, "err", updateAttemptsErr)

coordinator/internal/logic/provertask/chunk_prover_task.go

@@ -21,6 +21,7 @@ import (
 	"scroll-tech/coordinator/internal/config"
 	"scroll-tech/coordinator/internal/orm"
 	coordinatorType "scroll-tech/coordinator/internal/types"
+	cutils "scroll-tech/coordinator/internal/utils"
 )
 
 // ChunkProverTask the chunk prover task
@@ -61,6 +62,18 @@ func (cp *ChunkProverTask) Assign(ctx *gin.Context, getTaskParameter *coordinato
 
 	maxActiveAttempts := cp.cfg.ProverManager.ProversPerSession
 	maxTotalAttempts := cp.cfg.ProverManager.SessionAttempts
+	if taskCtx.ProverProviderType == uint8(coordinatorType.ProverProviderTypeExternal) {
+		unassignedChunkCount, getCountError := cp.chunkOrm.GetUnassignedChunkCount(ctx.Copy(), maxActiveAttempts, maxTotalAttempts, getTaskParameter.ProverHeight)
+		if getCountError != nil {
+			log.Error("failed to get unassigned chunk proving tasks count", "height", getTaskParameter.ProverHeight, "err", getCountError)
+			return nil, ErrCoordinatorInternalFailure
+		}
+		// Assign external prover if unassigned task number exceeds threshold
+		if unassignedChunkCount < cp.cfg.ProverManager.ExternalProverThreshold {
+			return nil, nil
+		}
+	}
+
 	var chunkTask *orm.Chunk
 	for i := 0; i < 5; i++ {
 		var getTaskError error
@@ -86,6 +99,20 @@ func (cp *ChunkProverTask) Assign(ctx *gin.Context, getTaskParameter *coordinato
 			return nil, nil
 		}
 
+		// Don't dispatch the same failing job to the same prover
+		proverTasks, getTaskError := cp.proverTaskOrm.GetFailedProverTasksByHash(ctx.Copy(), message.ProofTypeChunk, tmpChunkTask.Hash, 2)
+		if getTaskError != nil {
+			log.Error("failed to get prover tasks", "proof type", message.ProofTypeChunk.String(), "task ID", tmpChunkTask.Hash, "error", getTaskError)
+			return nil, ErrCoordinatorInternalFailure
+		}
+		for i := 0; i < len(proverTasks); i++ {
+			if proverTasks[i].ProverPublicKey == taskCtx.PublicKey ||
+				taskCtx.ProverProviderType == uint8(coordinatorType.ProverProviderTypeExternal) && cutils.IsExternalProverNameMatch(proverTasks[i].ProverName, taskCtx.ProverName) {
+				log.Debug("get empty chunk, the prover already failed this task", "height", getTaskParameter.ProverHeight)
+				return nil, nil
+			}
+		}
+
 		rowsAffected, updateAttemptsErr := cp.chunkOrm.UpdateChunkAttempts(ctx.Copy(), tmpChunkTask.Index, tmpChunkTask.ActiveAttempts, tmpChunkTask.TotalAttempts)
 		if updateAttemptsErr != nil {
 			log.Error("failed to update chunk attempts", "height", getTaskParameter.ProverHeight, "err", updateAttemptsErr)

coordinator/internal/logic/provertask/prover_task.go

@@ -47,10 +47,11 @@ type BaseProverTask struct {
 }
 
 type proverTaskContext struct {
-	PublicKey     string
-	ProverName    string
-	ProverVersion string
-	HardForkNames map[string]struct{}
+	PublicKey          string
+	ProverName         string
+	ProverVersion      string
+	ProverProviderType uint8
+	HardForkNames      map[string]struct{}
 }
 
 // checkParameter check the prover task parameter illegal
@@ -76,6 +77,12 @@ func (b *BaseProverTask) checkParameter(ctx *gin.Context) (*proverTaskContext, e
 	}
 	ptc.ProverVersion = proverVersion.(string)
 
+	ProverProviderType, ProverProviderTypeExist := ctx.Get(coordinatorType.ProverProviderTypeKey)
+	if !ProverProviderTypeExist {
+		return nil, errors.New("get prover provider type from context failed")
+	}
+	ptc.ProverProviderType = uint8(ProverProviderType.(float64))
+
 	hardForkNamesStr, hardForkNameExist := ctx.Get(coordinatorType.HardForkName)
 	if !hardForkNameExist {
 		return nil, errors.New("get hard fork name from context failed")

coordinator/internal/orm/batch.go

@@ -95,6 +95,22 @@ func (o *Batch) GetUnassignedBatch(ctx context.Context, maxActiveAttempts, maxTo
 	return &batch, nil
 }
 
+// GetUnassignedBatchCount retrieves unassigned batch count.
+func (o *Batch) GetUnassignedBatchCount(ctx context.Context, maxActiveAttempts, maxTotalAttempts uint8) (int64, error) {
+	var count int64
+	db := o.db.WithContext(ctx)
+	db = db.Model(&Batch{})
+	db = db.Where("proving_status = ?", int(types.ProvingTaskUnassigned))
+	db = db.Where("total_attempts < ?", maxTotalAttempts)
+	db = db.Where("active_attempts < ?", maxActiveAttempts)
+	db = db.Where("chunk_proofs_status = ?", int(types.ChunkProofsStatusReady))
+	db = db.Where("batch.deleted_at IS NULL")
+	if err := db.Count(&count).Error; err != nil {
+		return 0, fmt.Errorf("Batch.GetUnassignedBatchCount error: %w", err)
+	}
+	return count, nil
+}
+
 // GetAssignedBatch retrieves assigned batch based on the specified limit.
 // The returned batches are sorted in ascending order by their index.
 func (o *Batch) GetAssignedBatch(ctx context.Context, maxActiveAttempts, maxTotalAttempts uint8) (*Batch, error) {

coordinator/internal/orm/bundle.go

@@ -71,6 +71,22 @@ func (o *Bundle) GetUnassignedBundle(ctx context.Context, maxActiveAttempts, max
 	return &bundle, nil
 }
 
+// GetUnassignedBundleCount retrieves unassigned bundle count.
+func (o *Bundle) GetUnassignedBundleCount(ctx context.Context, maxActiveAttempts, maxTotalAttempts uint8) (int64, error) {
+	var count int64
+	db := o.db.WithContext(ctx)
+	db = db.Model(&Bundle{})
+	db = db.Where("proving_status = ?", int(types.ProvingTaskUnassigned))
+	db = db.Where("total_attempts < ?", maxTotalAttempts)
+	db = db.Where("active_attempts < ?", maxActiveAttempts)
+	db = db.Where("batch_proofs_status = ?", int(types.BatchProofsStatusReady))
+	db = db.Where("bundle.deleted_at IS NULL")
+	if err := db.Count(&count).Error; err != nil {
+		return 0, fmt.Errorf("Bundle.GetUnassignedBundleCount error: %w", err)
+	}
+	return count, nil
+}
+
 // GetAssignedBundle retrieves assigned bundle based on the specified limit.
 // The returned bundle sorts in ascending order by their index.
 func (o *Bundle) GetAssignedBundle(ctx context.Context, maxActiveAttempts, maxTotalAttempts uint8) (*Bundle, error) {

coordinator/internal/orm/chunk.go

@@ -88,6 +88,22 @@ func (o *Chunk) GetUnassignedChunk(ctx context.Context, maxActiveAttempts, maxTo
 	return &chunk, nil
 }
 
+// GetUnassignedChunkCount retrieves unassigned chunk count.
+func (o *Chunk) GetUnassignedChunkCount(ctx context.Context, maxActiveAttempts, maxTotalAttempts uint8, height uint64) (int64, error) {
+	var count int64
+	db := o.db.WithContext(ctx)
+	db = db.Model(&Chunk{})
+	db = db.Where("proving_status = ?", int(types.ProvingTaskUnassigned))
+	db = db.Where("total_attempts < ?", maxTotalAttempts)
+	db = db.Where("active_attempts < ?", maxActiveAttempts)
+	db = db.Where("end_block_number <= ?", height)
+	db = db.Where("chunk.deleted_at IS NULL")
+	if err := db.Count(&count).Error; err != nil {
+		return 0, fmt.Errorf("Chunk.GetUnassignedChunkCount error: %w", err)
+	}
+	return count, nil
+}
+
 // GetAssignedChunk retrieves assigned chunk based on the specified limit.
 // The returned chunks are sorted in ascending order by their index.
 func (o *Chunk) GetAssignedChunk(ctx context.Context, maxActiveAttempts, maxTotalAttempts uint8, height uint64) (*Chunk, error) {

coordinator/internal/orm/prover_task.go

@@ -117,6 +117,27 @@ func (o *ProverTask) GetProverTasksByHashes(ctx context.Context, taskType messag
 	return proverTasks, nil
 }
 
+// GetFailedProverTasksByHash retrieves the failed ProverTask records associated with the specified hash.
+// The returned prover task objects are sorted in descending order by their ids.
+func (o *ProverTask) GetFailedProverTasksByHash(ctx context.Context, taskType message.ProofType, hash string, limit int) ([]*ProverTask, error) {
+	db := o.db.WithContext(ctx)
+	db = db.Model(&ProverTask{})
+	db = db.Where("task_type", int(taskType))
+	db = db.Where("task_id", hash)
+	db = db.Where("proving_status = ?", int(types.ProverProofInvalid))
+	db = db.Order("id desc")
+
+	if limit != 0 {
+		db = db.Limit(limit)
+	}
+
+	var proverTasks []*ProverTask
+	if err := db.Find(&proverTasks).Error; err != nil {
+		return nil, fmt.Errorf("ProverTask.GetFailedProverTasksByHash error: %w, hash: %v", err, hash)
+	}
+	return proverTasks, nil
+}
+
 // GetProverTaskByUUIDAndPublicKey get prover task taskID by uuid and public key
 func (o *ProverTask) GetProverTaskByUUIDAndPublicKey(ctx context.Context, uuid, publicKey string) (*ProverTask, error) {
 	db := o.db.WithContext(ctx)

coordinator/internal/types/auth.go

@@ -18,6 +18,8 @@ const (
 	ProverName = "prover_name"
 	// ProverVersion the prover version for context
 	ProverVersion = "prover_version"
+	// ProverProviderTypeKey the prover provider type for context
+	ProverProviderTypeKey = "prover_provider_type"
 	// HardForkName the hard fork name for context
 	HardForkName = "hard_fork_name"
 )
@@ -30,11 +32,12 @@ type LoginSchema struct {
 
 // Message the login message struct
 type Message struct {
-	Challenge     string       `form:"challenge" json:"challenge" binding:"required"`
-	ProverVersion string       `form:"prover_version" json:"prover_version" binding:"required"`
-	ProverName    string       `form:"prover_name" json:"prover_name" binding:"required"`
-	ProverTypes   []ProverType `form:"prover_types" json:"prover_types"`
-	VKs           []string     `form:"vks" json:"vks"`
+	Challenge          string             `form:"challenge" json:"challenge" binding:"required"`
+	ProverVersion      string             `form:"prover_version" json:"prover_version" binding:"required"`
+	ProverName         string             `form:"prover_name" json:"prover_name" binding:"required"`
+	ProverProviderType ProverProviderType `form:"prover_provider_type" json:"prover_provider_type,omitempty"`
+	ProverTypes        []ProverType       `form:"prover_types" json:"prover_types"`
+	VKs                []string           `form:"vks" json:"vks"`
 }
 
 // LoginParameterWithHardForkName constructs new payload for login