add the optional bundle info

Author: colinlyguo

common/types/message/message.go

@@ -103,7 +103,8 @@ type BatchTaskDetail struct {
 
 // BundleTaskDetail consists of all the information required to describe the task to generate a proof for a bundle of batches.
 type BundleTaskDetail struct {
-	BatchProofs []BatchProof `json:"batch_proofs"`
+	BatchProofs []BatchProof      `json:"batch_proofs"`
+	BundleInfo  *OpenVMBundleInfo `json:"bundle_info,omitempty"`
 }
 
 // ChunkInfo is for calculating pi_hash for chunk
@@ -384,7 +385,7 @@ type OpenVMBundleInfo struct {
 	NumBatches    uint32      `json:"num_batches"`
 	PrevBatchHash common.Hash `json:"prev_batch_hash"`
 	BatchHash     common.Hash `json:"batch_hash"`
-	MsgQueueHash  common.Hash `json:"msg_queue_hash"`
+	MsgQueueHash  common.Hash `json:"msg_queue_hash,omitempty"`
 }
 
 // OpenVMBundleProof includes the proof info that are required for verification of a bundle of batch proofs.

coordinator/internal/logic/provertask/bundle_prover_task.go

@@ -9,6 +9,7 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
+	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/log"
 	"github.com/scroll-tech/go-ethereum/params"
 	"gorm.io/gorm"
@@ -194,6 +195,11 @@ func (bp *BundleProverTask) formatProverTask(ctx context.Context, task *orm.Prov
 		return nil, fmt.Errorf("failed to get batch proofs for bundle task id:%s, no batch found", task.TaskID)
 	}
 
+	parentBatch, err := bp.batchOrm.GetBatchByHash(ctx, batches[0].ParentBatchHash)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get parent batch for batch task id:%s err:%w", task.TaskID, err)
+	}
+
 	var batchProofs []message.BatchProof
 	for _, batch := range batches {
 		proof := message.NewBatchProof(hardForkName)
@@ -207,6 +213,17 @@ func (bp *BundleProverTask) formatProverTask(ctx context.Context, task *orm.Prov
 		BatchProofs: batchProofs,
 	}
 
+	taskDetail.BundleInfo = &message.OpenVMBundleInfo{
+		ChainID:       bp.chainCfg.ChainID.Uint64(),
+		PrevStateRoot: common.HexToHash(parentBatch.StateRoot),
+		PostStateRoot: common.HexToHash(batches[len(batches)-1].StateRoot),
+		WithdrawRoot:  common.HexToHash(batches[len(batches)-1].WithdrawRoot),
+		NumBatches:    uint32(len(batches)),
+		PrevBatchHash: common.HexToHash(batches[0].ParentBatchHash),
+		BatchHash:     common.HexToHash(batches[len(batches)-1].Hash),
+		// MsgQueueHash is omittable here, because it is introduced in phase-2.
+	}
+
 	batchProofsBytes, err := json.Marshal(taskDetail)
 	if err != nil {
 		return nil, fmt.Errorf("failed to marshal batch proofs, taskID:%s err:%w", task.TaskID, err)