Merge pull request #654 from hermeznetwork/feature/api-pending-l1s

Add pending L1 txs to API

api/swagger.yml

@@ -2634,6 +2634,10 @@ components:
             - example: 2334
         nextForgers:
           $ref: '#/components/schemas/NextForgers'
+        pendingL1Transactions:
+          type: number
+          description: Number of pending L1 transactions (added in the smart contract queue but not forged).
+          example: 22
       additionalProperties: false
       required: 
         - lastEthereumBlock

db/historydb/nodeinfo.go

@@ -32,6 +32,7 @@ type NetworkAPI struct {
 	LastBatch     *BatchAPI       `json:"lastBatch"`
 	CurrentSlot   int64           `json:"currentSlot"`
 	NextForgers   []NextForgerAPI `json:"nextForgers"`
+	PendingL1Txs  int             `json:"pendingL1Transactions"`
 }
 
 // NodePublicConfig is the configuration of the node that is exposed via API

stateapiupdater/stateapiupdater.go

@@ -145,11 +145,17 @@ func (u *Updater) UpdateNetworkInfo(
 			}
 		}
 	}
+	// Update pending L1s
+	pendingL1s, err := u.hdb.GetUnforgedL1UserTxsCount()
+	if err != nil {
+		return tracerr.Wrap(err)
+	}
 	u.state.Network.LastSyncBlock = lastSyncBlock.Num
 	u.state.Network.LastEthBlock = lastEthBlock.Num
 	u.state.Network.LastBatch = lastBatch
 	u.state.Network.CurrentSlot = currentSlot
 	u.state.Network.NextForgers = nextForgers
+	u.state.Network.PendingL1Txs = pendingL1s
 	u.rw.Unlock()
 	return nil
 }