WIP2

api/slots_test.go

@@ -101,7 +101,7 @@ func TestGetSlot(t *testing.T) {
 	)
 	ni, err := api.h.GetNodeInfoAPI()
 	assert.NoError(t, err)
-	emptySlot := api.getEmptyTestSlot(slotNum, ni.StateAPI.Network.LastSyncBlock, tc.auctionVars)
+	emptySlot := api.getEmptyTestSlot(slotNum, ni.APIState.Network.LastSyncBlock, tc.auctionVars)
 	assertSlot(t, emptySlot, fetchedSlot)
 
 	// Invalid slotNum
@@ -132,7 +132,7 @@ func TestGetSlots(t *testing.T) {
 	ni, err := api.h.GetNodeInfoAPI()
 	assert.NoError(t, err)
 	for i := tc.slots[len(tc.slots)-1].SlotNum; i < maxSlotNum; i++ {
-		emptySlot := api.getEmptyTestSlot(i+1, ni.StateAPI.Network.LastSyncBlock, tc.auctionVars)
+		emptySlot := api.getEmptyTestSlot(i+1, ni.APIState.Network.LastSyncBlock, tc.auctionVars)
 		allSlots = append(allSlots, emptySlot)
 	}
 	assertSlots(t, allSlots, fetchedSlots)

api/state.go

@@ -12,5 +12,5 @@ func (a *API) getState(c *gin.Context) {
 		retBadReq(err, c)
 		return
 	}
-	c.JSON(http.StatusOK, ni.StateAPI)
+	c.JSON(http.StatusOK, ni.APIState)
 }

api/state_test.go

@@ -32,7 +32,7 @@ func TestSetRollupVariables(t *testing.T) {
 	api.h.SetRollupVariables(&tc.rollupVars)
 	ni, err := api.h.GetNodeInfoAPI()
 	assert.NoError(t, err)
-	assertEqualRollupVariables(t, tc.rollupVars, ni.StateAPI.Rollup, true)
+	assertEqualRollupVariables(t, tc.rollupVars, ni.APIState.Rollup, true)
 }
 
 func assertEqualRollupVariables(t *testing.T, rollupVariables common.RollupVariables, apiVariables historydb.RollupVariablesAPI, checkBuckets bool) {
@@ -54,14 +54,14 @@ func TestSetWDelayerVariables(t *testing.T) {
 	api.h.SetWDelayerVariables(&tc.wdelayerVars)
 	ni, err := api.h.GetNodeInfoAPI()
 	assert.NoError(t, err)
-	assert.Equal(t, tc.wdelayerVars, ni.StateAPI.WithdrawalDelayer)
+	assert.Equal(t, tc.wdelayerVars, ni.APIState.WithdrawalDelayer)
 }
 
 func TestSetAuctionVariables(t *testing.T) {
 	api.h.SetAuctionVariables(&tc.auctionVars)
 	ni, err := api.h.GetNodeInfoAPI()
 	assert.NoError(t, err)
-	assertEqualAuctionVariables(t, tc.auctionVars, ni.StateAPI.Auction)
+	assertEqualAuctionVariables(t, tc.auctionVars, ni.APIState.Auction)
 }
 
 func assertEqualAuctionVariables(t *testing.T, auctionVariables common.AuctionVariables, apiVariables historydb.AuctionVariablesAPI) {
@@ -117,12 +117,12 @@ func TestUpdateNetworkInfo(t *testing.T) {
 	assert.NoError(t, err)
 	ni, err := api.h.GetNodeInfoAPI()
 	assert.NoError(t, err)
-	assert.Equal(t, lastBlock.Num, ni.StateAPI.Network.LastSyncBlock)
+	assert.Equal(t, lastBlock.Num, ni.APIState.Network.LastSyncBlock)
-	assert.Equal(t, lastBatchNum, ni.StateAPI.Network.LastBatch.BatchNum)
+	assert.Equal(t, lastBatchNum, ni.APIState.Network.LastBatch.BatchNum)
-	assert.Equal(t, currentSlotNum, ni.StateAPI.Network.CurrentSlot)
+	assert.Equal(t, currentSlotNum, ni.APIState.Network.CurrentSlot)
-	assert.Equal(t, int(ni.StateAPI.Auction.ClosedAuctionSlots)+1, len(ni.StateAPI.Network.NextForgers))
+	assert.Equal(t, int(ni.APIState.Auction.ClosedAuctionSlots)+1, len(ni.APIState.Network.NextForgers))
-	assert.Equal(t, ni.StateAPI.Rollup.Buckets[0].Withdrawals, apitypes.NewBigIntStr(big.NewInt(123)))
+	assert.Equal(t, ni.APIState.Rollup.Buckets[0].Withdrawals, apitypes.NewBigIntStr(big.NewInt(123)))
-	assert.Equal(t, ni.StateAPI.Rollup.Buckets[2].Withdrawals, apitypes.NewBigIntStr(big.NewInt(43)))
+	assert.Equal(t, ni.APIState.Rollup.Buckets[2].Withdrawals, apitypes.NewBigIntStr(big.NewInt(43)))
 }
 
 func TestUpdateMetrics(t *testing.T) {
@@ -137,12 +137,12 @@ func TestUpdateMetrics(t *testing.T) {
 	assert.NoError(t, err)
 	ni, err := api.h.GetNodeInfoAPI()
 	assert.NoError(t, err)
-	assert.Greater(t, ni.StateAPI.Metrics.TransactionsPerBatch, float64(0))
+	assert.Greater(t, ni.APIState.Metrics.TransactionsPerBatch, float64(0))
-	assert.Greater(t, ni.StateAPI.Metrics.BatchFrequency, float64(0))
+	assert.Greater(t, ni.APIState.Metrics.BatchFrequency, float64(0))
-	assert.Greater(t, ni.StateAPI.Metrics.TransactionsPerSecond, float64(0))
+	assert.Greater(t, ni.APIState.Metrics.TransactionsPerSecond, float64(0))
-	assert.Greater(t, ni.StateAPI.Metrics.TotalAccounts, int64(0))
+	assert.Greater(t, ni.APIState.Metrics.TotalAccounts, int64(0))
-	assert.Greater(t, ni.StateAPI.Metrics.TotalBJJs, int64(0))
+	assert.Greater(t, ni.APIState.Metrics.TotalBJJs, int64(0))
-	assert.Greater(t, ni.StateAPI.Metrics.AvgTransactionFee, float64(0))
+	assert.Greater(t, ni.APIState.Metrics.AvgTransactionFee, float64(0))
 }
 
 func TestUpdateRecommendedFee(t *testing.T) {
@@ -154,7 +154,7 @@ func TestUpdateRecommendedFee(t *testing.T) {
 	}
 	ni, err := api.h.GetNodeInfoAPI()
 	assert.NoError(t, err)
-	assert.Greater(t, ni.StateAPI.RecommendedFee.ExistingAccount, minFeeUSD)
+	assert.Greater(t, ni.APIState.RecommendedFee.ExistingAccount, minFeeUSD)
 	// assert.Equal(t, ni.StateAPI.RecommendedFee.CreatesAccount,
 	// 	ni.StateAPI.RecommendedFee.ExistingAccount*createAccountExtraFeePercentage)
 	// assert.Equal(t, ni.StateAPI.RecommendedFee.CreatesAccountAndRegister,

db/historydb/historydb.go

@@ -841,6 +841,31 @@ func (hdb *HistoryDB) GetAllBucketUpdates() ([]common.BucketUpdate, error) {
 	return db.SlicePtrsToSlice(bucketUpdates).([]common.BucketUpdate), tracerr.Wrap(err)
 }
 
+func (hdb *HistoryDB) getBucketUpdatesAPI(txn *sqlx.Tx) ([]BucketUpdateAPI, error) {
+	var bucketUpdates []*BucketUpdateAPI
+	// var bucketUpdates []*common.BucketUpdate
+	err := meddler.QueryAll(
+		txn, &bucketUpdates,
+		`SELECT num_bucket, withdrawals FROM bucket_update 
+			WHERE item_id in(SELECT max(item_id) FROM bucket_update 
+			group by num_bucket) 
+			ORDER BY num_bucket ASC;`,
+	)
+	return db.SlicePtrsToSlice(bucketUpdates).([]BucketUpdateAPI), tracerr.Wrap(err)
+}
+
+func (hdb *HistoryDB) getMinBidInfo(txn *sqlx.Tx,
+	currentSlot, lastClosedSlot int64) ([]MinBidInfo, error) {
+	minBidInfo := []*MinBidInfo{}
+	query := `
+		SELECT DISTINCT default_slot_set_bid, default_slot_set_bid_slot_num FROM auction_vars
+		WHERE default_slot_set_bid_slot_num < $1
+		ORDER BY default_slot_set_bid_slot_num DESC
+		LIMIT $2;`
+	err := meddler.QueryAll(txn, &minBidInfo, query, lastClosedSlot, int(lastClosedSlot-currentSlot)+1)
+	return db.SlicePtrsToSlice(minBidInfo).([]MinBidInfo), tracerr.Wrap(err)
+}
+
 func (hdb *HistoryDB) addTokenExchanges(d meddler.DB, tokenExchanges []common.TokenExchange) error {
 	if len(tokenExchanges) == 0 {
 		return nil

db/historydb/historydb_test.go

@@ -1464,6 +1464,9 @@ func setTestBlocks(from, to int64) []common.Block {
 func TestNodeInfo(t *testing.T) {
 	test.WipeDB(historyDB.DB())
 
+	err := historyDB.SetAPIState(&APIState{})
+	require.NoError(t, err)
+
 	clientSetup := test.NewClientSetupExample()
 	constants := &Constants{
 		RollupConstants:   *clientSetup.RollupConstants,
@@ -1472,9 +1475,48 @@ func TestNodeInfo(t *testing.T) {
 		ChainID:           42,
 		HermezAddress:     clientSetup.AuctionConstants.HermezRollup,
 	}
-	err := historyDB.SetConstants(constants)
+	err = historyDB.SetConstants(constants)
 	require.NoError(t, err)
+
+	// Test parameters
+	apiState := &APIState{
+		NodePublicConfig: NodePublicConfig{
+			ForgeDelay: 3.1,
+		},
+		Network: Network{
+			LastEthBlock:  12,
+			LastSyncBlock: 34,
+		},
+		Metrics: Metrics{
+			TransactionsPerBatch: 1.1,
+			TotalAccounts:        42,
+		},
+		Rollup:            *NewRollupVariablesAPI(clientSetup.RollupVariables),
+		Auction:           *NewAuctionVariablesAPI(clientSetup.AuctionVariables),
+		WithdrawalDelayer: *clientSetup.WDelayerVariables,
+		RecommendedFee: common.RecommendedFee{
+			ExistingAccount: 0.15,
+		},
+	}
+	err = historyDB.SetAPIState(apiState)
+	require.NoError(t, err)
+
+	nodeConfig := &NodeConfig{
+		MaxPoolTxs: 123,
+		MinFeeUSD:  0.5,
+	}
+	err = historyDB.SetNodeConfig(nodeConfig)
+	require.NoError(t, err)
+
 	dbConstants, err := historyDB.GetConstants()
 	require.NoError(t, err)
 	assert.Equal(t, constants, dbConstants)
+
+	dbNodeConfig, err := historyDB.GetNodeConfig()
+	require.NoError(t, err)
+	assert.Equal(t, nodeConfig, dbNodeConfig)
+
+	dbAPIState, err := historyDB.GetAPIState()
+	require.NoError(t, err)
+	assert.Equal(t, apiState, dbAPIState)
 }

db/historydb/nodeinfo.go

@@ -21,11 +21,6 @@ const (
 	createAccountInternalExtraFeePercentage float64 = 2.5
 )
 
-// NodePublicConfig is the configuration of the node that is exposed via API
-type NodePublicConfig struct {
-	// ForgeDelay in seconds
-	ForgeDelay float64 `json:"forgeDelay"`
-}
 type Period struct {
 	SlotNum       int64     `json:"slotNum"`
 	FromBlock     int64     `json:"fromBlock"`
@@ -33,10 +28,12 @@ type Period struct {
 	FromTimestamp time.Time `json:"fromTimestamp"`
 	ToTimestamp   time.Time `json:"toTimestamp"`
 }
+
 type NextForger struct {
 	Coordinator CoordinatorAPI `json:"coordinator"`
 	Period      Period         `json:"period"`
 }
+
 type Network struct {
 	LastEthBlock  int64        `json:"lastEthereumBlock"`
 	LastSyncBlock int64        `json:"lastSynchedBlock"`
@@ -44,7 +41,15 @@ type Network struct {
 	CurrentSlot   int64        `json:"currentSlot"`
 	NextForgers   []NextForger `json:"nextForgers"`
 }
-type StateAPI struct {
+
+// NodePublicConfig is the configuration of the node that is exposed via API
+type NodePublicConfig struct {
+	// ForgeDelay in seconds
+	ForgeDelay float64 `json:"forgeDelay"`
+}
+
+type APIState struct {
+	// NodePublicConfig is the configuration of the node that is exposed via API
 	NodePublicConfig  NodePublicConfig         `json:"nodeConfig"`
 	Network           Network                  `json:"network"`
 	Metrics           Metrics                  `json:"metrics"`
@@ -62,22 +67,35 @@ type Constants struct {
 	HermezAddress     ethCommon.Address
 }
 
+type NodeConfig struct {
+	MaxPoolTxs uint32  `meddler:"max_pool_txs"`
+	MinFeeUSD  float64 `meddler:"min_fee"`
+}
+
 type NodeInfo struct {
-	ItemID     int        `meddler:"item_id"`
+	ItemID     int         `meddler:"item_id,pk"`
-	MaxPoolTxs *uint32    `meddler:"max_pool_txs"`
+	APIState   *APIState   `meddler:"state,json"`
-	MinFeeUSD  *float64   `meddler:"min_fee"`
+	NodeConfig *NodeConfig `meddler:"config,json"`
-	StateAPI   *StateAPI  `meddler:"state,json"`
+	Constants  *Constants  `meddler:"constants,json"`
-	Constants  *Constants `meddler:"constants,json"`
 }
 
 func (hdb *HistoryDB) GetNodeInfo() (*NodeInfo, error) {
 	ni := &NodeInfo{}
 	err := meddler.QueryRow(
-		hdb.dbRead, ni, `SELECT * FROM node_info ORDER BY item_id DESC LIMIT 1;`,
+		hdb.dbRead, ni, `SELECT * FROM node_info WHERE item_id = 1;`,
 	)
 	return ni, tracerr.Wrap(err)
 }
 
+func (hdb *HistoryDB) GetConstants() (*Constants, error) {
+	var nodeInfo NodeInfo
+	err := meddler.QueryRow(
+		hdb.dbRead, &nodeInfo,
+		"SELECT constants FROM node_info WHERE item_id = 1;",
+	)
+	return nodeInfo.Constants, tracerr.Wrap(err)
+}
+
 func (hdb *HistoryDB) SetConstants(constants *Constants) error {
 	_constants := struct {
 		Constants *Constants `meddler:"constants,json"`
@@ -93,60 +111,176 @@ func (hdb *HistoryDB) SetConstants(constants *Constants) error {
 	return tracerr.Wrap(err)
 }
 
-func (hdb *HistoryDB) GetConstants() (*Constants, error) {
+func (hdb *HistoryDB) GetAPIState() (*APIState, error) {
 	var nodeInfo NodeInfo
 	err := meddler.QueryRow(
 		hdb.dbRead, &nodeInfo,
-		"SELECT constants FROM node_info WHERE item_id = 1;",
+		"SELECT state FROM node_info WHERE item_id = 1;",
 	)
-	return nodeInfo.Constants, tracerr.Wrap(err)
+	return nodeInfo.APIState, tracerr.Wrap(err)
 }
 
-func (hdb *HistoryDB) SetInitialNodeInfo(maxPoolTxs uint32, minFeeUSD float64, constants *Constants) error {
+func (hdb *HistoryDB) SetAPIState(apiState *APIState) error {
-	ni := &NodeInfo{
+	_apiState := struct {
-		MaxPoolTxs: &maxPoolTxs,
+		APIState *APIState `meddler:"state,json"`
-		MinFeeUSD:  &minFeeUSD,
+	}{apiState}
-		Constants:  constants,
+	values, err := meddler.Default.Values(&_apiState, false)
+	if err != nil {
+		return tracerr.Wrap(err)
 	}
-	return tracerr.Wrap(meddler.Insert(hdb.dbWrite, "node_info", ni))
+	_, err = hdb.dbWrite.Exec(
+		"UPDATE node_info SET state = $1 WHERE item_id = 1;",
+		values[0],
+	)
+	return tracerr.Wrap(err)
 }
 
+func (hdb *HistoryDB) GetNodeConfig() (*NodeConfig, error) {
+	var nodeInfo NodeInfo
+	err := meddler.QueryRow(
+		hdb.dbRead, &nodeInfo,
+		"SELECT config FROM node_info WHERE item_id = 1;",
+	)
+	return nodeInfo.NodeConfig, tracerr.Wrap(err)
+}
+
+func (hdb *HistoryDB) SetNodeConfig(nodeConfig *NodeConfig) error {
+	_nodeConfig := struct {
+		NodeConfig *NodeConfig `meddler:"config,json"`
+	}{nodeConfig}
+	values, err := meddler.Default.Values(&_nodeConfig, false)
+	if err != nil {
+		return tracerr.Wrap(err)
+	}
+	_, err = hdb.dbWrite.Exec(
+		"UPDATE config SET state = $1 WHERE item_id = 1;",
+		values[0],
+	)
+	return tracerr.Wrap(err)
+}
+
+// func (hdb *HistoryDB) SetInitialNodeInfo(maxPoolTxs uint32, minFeeUSD float64, constants *Constants) error {
+// 	ni := &NodeInfo{
+// 		MaxPoolTxs: &maxPoolTxs,
+// 		MinFeeUSD:  &minFeeUSD,
+// 		Constants:  constants,
+// 	}
+// 	return tracerr.Wrap(meddler.Insert(hdb.dbWrite, "node_info", ni))
+// }
+
+type APIStateUpdater struct {
+	hdb       *HistoryDB
+	state     APIState
+	config    NodeConfig
+	constants Constants
+}
+
+func (u *APIStateUpdater) SetSCVars(rollupVariables *common.RollupVariables,
+	auctionVariables *common.AuctionVariables,
+	wDelayerVariables *common.WDelayerVariables) {
+	if rollupVariables != nil {
+		rollupVars := NewRollupVariablesAPI(rollupVariables)
+		u.state.Rollup = *rollupVars
+	}
+	if auctionVariables != nil {
+		auctionVars := NewAuctionVariablesAPI(auctionVariables)
+		u.state.Auction = *auctionVars
+	}
+	if wDelayerVariables != nil {
+		u.state.WithdrawalDelayer = *wDelayerVariables
+	}
+}
+
+func (u *APIStateUpdater) UpdateNetworkInfoBlock(lastEthBlock, lastSyncBlock common.Block) {
+	u.state.Network.LastSyncBlock = lastSyncBlock.Num
+	u.state.Network.LastEthBlock = lastEthBlock.Num
+}
+
+func (u *APIStateUpdater) UpdateNetworkInfo(
+	txn *sqlx.Tx,
+	lastEthBlock, lastSyncBlock common.Block,
+	lastBatchNum common.BatchNum, currentSlot int64,
+) error {
+	// Get last batch in API format
+	lastBatch, err := u.hdb.getBatchAPI(txn, lastBatchNum)
+	if tracerr.Unwrap(err) == sql.ErrNoRows {
+		lastBatch = nil
+	} else if err != nil {
+		return tracerr.Wrap(err)
+	}
+	// Get next forrgers
+	lastClosedSlot := currentSlot + int64(u.state.Auction.ClosedAuctionSlots)
+	nextForgers, err := u.getNextForgers(txn, lastSyncBlock, currentSlot, lastClosedSlot)
+	if tracerr.Unwrap(err) == sql.ErrNoRows {
+		nextForgers = nil
+	} else if err != nil {
+		return tracerr.Wrap(err)
+	}
+
+	bucketUpdates, err := u.hdb.getBucketUpdatesAPI(txn)
+	if err == sql.ErrNoRows {
+		bucketUpdates = nil
+	} else if err != nil {
+		return tracerr.Wrap(err)
+	}
+	// Update NodeInfo struct
+	for i, bucketParams := range u.state.Rollup.Buckets {
+		for _, bucketUpdate := range bucketUpdates {
+			if bucketUpdate.NumBucket == i {
+				bucketParams.Withdrawals = bucketUpdate.Withdrawals
+				u.state.Rollup.Buckets[i] = bucketParams
+				break
+			}
+		}
+	}
+	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
+	return nil
+}
+
+// TODO: Remove
 // SetRollupVariables set Status.Rollup variables
 func (hdb *HistoryDB) SetRollupVariables(rollupVariables *common.RollupVariables) error {
 	setUpdatedNodeInfo := func(txn *sqlx.Tx, ni *NodeInfo) error {
 		rollupVars := NewRollupVariablesAPI(rollupVariables)
-		ni.StateAPI.Rollup = *rollupVars
+		ni.APIState.Rollup = *rollupVars
 		return nil
 	}
 	return hdb.updateNodeInfo(setUpdatedNodeInfo)
 }
 
+// TODO: Remove
 // SetWDelayerVariables set Status.WithdrawalDelayer variables
 func (hdb *HistoryDB) SetWDelayerVariables(wDelayerVariables *common.WDelayerVariables) error {
 	setUpdatedNodeInfo := func(txn *sqlx.Tx, ni *NodeInfo) error {
-		ni.StateAPI.WithdrawalDelayer = *wDelayerVariables
+		ni.APIState.WithdrawalDelayer = *wDelayerVariables
 		return nil
 	}
 	return hdb.updateNodeInfo(setUpdatedNodeInfo)
 }
 
+// TODO: Remove
 // SetAuctionVariables set Status.Auction variables
 func (hdb *HistoryDB) SetAuctionVariables(auctionVariables *common.AuctionVariables) error {
 	setUpdatedNodeInfo := func(txn *sqlx.Tx, ni *NodeInfo) error {
 		auctionVars := NewAuctionVariablesAPI(auctionVariables)
-		ni.StateAPI.Auction = *auctionVars
+		ni.APIState.Auction = *auctionVars
 		return nil
 	}
 	return hdb.updateNodeInfo(setUpdatedNodeInfo)
 }
 
+// TODO: Remove
 // UpdateNetworkInfoBlock update Status.Network block related information
 func (hdb *HistoryDB) UpdateNetworkInfoBlock(
 	lastEthBlock, lastSyncBlock common.Block,
 ) error {
 	setUpdatedNodeInfo := func(txn *sqlx.Tx, ni *NodeInfo) error {
-		ni.StateAPI.Network.LastSyncBlock = lastSyncBlock.Num
+		ni.APIState.Network.LastSyncBlock = lastSyncBlock.Num
-		ni.StateAPI.Network.LastEthBlock = lastEthBlock.Num
+		ni.APIState.Network.LastEthBlock = lastEthBlock.Num
 		return nil
 	}
 	return hdb.updateNodeInfo(setUpdatedNodeInfo)
@@ -166,7 +300,7 @@ func (hdb *HistoryDB) UpdateNetworkInfo(
 			return tracerr.Wrap(err)
 		}
 		// Get next forrgers
-		lastClosedSlot := currentSlot + int64(ni.StateAPI.Auction.ClosedAuctionSlots)
+		lastClosedSlot := currentSlot + int64(ni.APIState.Auction.ClosedAuctionSlots)
 		nextForgers, err := hdb.getNextForgers(txn, ni, lastSyncBlock, currentSlot, lastClosedSlot)
 		if tracerr.Unwrap(err) == sql.ErrNoRows {
 			nextForgers = nil
@@ -192,20 +326,20 @@ func (hdb *HistoryDB) UpdateNetworkInfo(
 			bucketUpdates = db.SlicePtrsToSlice(bucketUpdatesPtrs).([]BucketUpdateAPI)
 		}
 		// Update NodeInfo struct
-		for i, bucketParams := range ni.StateAPI.Rollup.Buckets {
+		for i, bucketParams := range ni.APIState.Rollup.Buckets {
 			for _, bucketUpdate := range bucketUpdates {
 				if bucketUpdate.NumBucket == i {
 					bucketParams.Withdrawals = bucketUpdate.Withdrawals
-					ni.StateAPI.Rollup.Buckets[i] = bucketParams
+					ni.APIState.Rollup.Buckets[i] = bucketParams
 					break
 				}
 			}
 		}
-		ni.StateAPI.Network.LastSyncBlock = lastSyncBlock.Num
+		ni.APIState.Network.LastSyncBlock = lastSyncBlock.Num
-		ni.StateAPI.Network.LastEthBlock = lastEthBlock.Num
+		ni.APIState.Network.LastEthBlock = lastEthBlock.Num
-		ni.StateAPI.Network.LastBatch = lastBatch
+		ni.APIState.Network.LastBatch = lastBatch
-		ni.StateAPI.Network.CurrentSlot = currentSlot
+		ni.APIState.Network.CurrentSlot = currentSlot
-		ni.StateAPI.Network.NextForgers = nextForgers
+		ni.APIState.Network.NextForgers = nextForgers
 		return nil
 	}
 	return hdb.updateNodeInfo(setUpdatedNodeInfo)
@@ -227,54 +361,51 @@ func apiSlotToBigInts(defaultSlotSetBid [6]*apitypes.BigIntStr) ([6]*big.Int, er
 }
 
 // getNextForgers returns next forgers
-func (hdb *HistoryDB) getNextForgers(txn *sqlx.Tx, ni *NodeInfo, lastBlock common.Block, currentSlot, lastClosedSlot int64) ([]NextForger, error) {
+func (u *APIStateUpdater) getNextForgers(txn *sqlx.Tx,
+	lastBlock common.Block, currentSlot, lastClosedSlot int64) ([]NextForger, error) {
 	secondsPerBlock := int64(15) //nolint:gomnd
 	// currentSlot and lastClosedSlot included
 	limit := uint(lastClosedSlot - currentSlot + 1)
-	bids, _, err := hdb.getBestBidsAPI(txn, &currentSlot, &lastClosedSlot, nil, &limit, "ASC")
+	bids, _, err := u.hdb.getBestBidsAPI(txn, &currentSlot, &lastClosedSlot, nil, &limit, "ASC")
 	if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
 		return nil, tracerr.Wrap(err)
 	}
 	nextForgers := []NextForger{}
 	// Get min bid info
 	var minBidInfo []MinBidInfo
-	if currentSlot >= ni.StateAPI.Auction.DefaultSlotSetBidSlotNum {
+	if currentSlot >= u.state.Auction.DefaultSlotSetBidSlotNum {
 		// All min bids can be calculated with the last update of AuctionVariables
-		bigIntSlots, err := apiSlotToBigInts(ni.StateAPI.Auction.DefaultSlotSetBid)
+		bigIntSlots, err := apiSlotToBigInts(u.state.Auction.DefaultSlotSetBid)
 		if err != nil {
 			return nil, tracerr.Wrap(err)
 		}
 
 		minBidInfo = []MinBidInfo{{
 			DefaultSlotSetBid:        bigIntSlots,
-			DefaultSlotSetBidSlotNum: ni.StateAPI.Auction.DefaultSlotSetBidSlotNum,
+			DefaultSlotSetBidSlotNum: u.state.Auction.DefaultSlotSetBidSlotNum,
 		}}
 	} else {
 		// Get all the relevant updates from the DB
-		minBidInfoPtrs := []*MinBidInfo{}
+		minBidInfo, err = u.hdb.getMinBidInfo(txn, currentSlot, lastClosedSlot)
-		query := `
+		if err != nil {
-			SELECT DISTINCT default_slot_set_bid, default_slot_set_bid_slot_num FROM auction_vars
-			WHERE default_slot_set_bid_slot_num < $1
-			ORDER BY default_slot_set_bid_slot_num DESC
-			LIMIT $2;`
-		if err := meddler.QueryAll(
-			txn, &minBidInfoPtrs, query, lastClosedSlot, int(lastClosedSlot-currentSlot)+1,
-		); err != nil {
 			return nil, tracerr.Wrap(err)
 		}
-		minBidInfo = db.SlicePtrsToSlice(minBidInfoPtrs).([]MinBidInfo)
 	}
 	// Create nextForger for each slot
 	for i := currentSlot; i <= lastClosedSlot; i++ {
-		fromBlock := i*int64(ni.Constants.AuctionConstants.BlocksPerSlot) + ni.Constants.AuctionConstants.GenesisBlockNum
+		fromBlock := i*int64(u.constants.AuctionConstants.BlocksPerSlot) +
-		toBlock := (i+1)*int64(ni.Constants.AuctionConstants.BlocksPerSlot) + ni.Constants.AuctionConstants.GenesisBlockNum - 1
+			u.constants.AuctionConstants.GenesisBlockNum
+		toBlock := (i+1)*int64(u.constants.AuctionConstants.BlocksPerSlot) +
+			u.constants.AuctionConstants.GenesisBlockNum - 1
 		nextForger := NextForger{
 			Period: Period{
-				SlotNum:       i,
+				SlotNum:   i,
-				FromBlock:     fromBlock,
+				FromBlock: fromBlock,
-				ToBlock:       toBlock,
+				ToBlock:   toBlock,
-				FromTimestamp: lastBlock.Timestamp.Add(time.Second * time.Duration(secondsPerBlock*(fromBlock-lastBlock.Num))),
+				FromTimestamp: lastBlock.Timestamp.Add(time.Second *
-				ToTimestamp:   lastBlock.Timestamp.Add(time.Second * time.Duration(secondsPerBlock*(toBlock-lastBlock.Num))),
+					time.Duration(secondsPerBlock*(fromBlock-lastBlock.Num))),
+				ToTimestamp: lastBlock.Timestamp.Add(time.Second *
+					time.Duration(secondsPerBlock*(toBlock-lastBlock.Num))),
 			},
 		}
 		foundForger := false
@@ -288,7 +419,7 @@ func (hdb *HistoryDB) getNextForgers(txn *sqlx.Tx, ni *NodeInfo, lastBlock commo
 					// Find the most recent update
 					if slotNum >= minBidInfo[i].DefaultSlotSetBidSlotNum {
 						// Get min bid
-						minBidSelector := slotNum % int64(len(ni.StateAPI.Auction.DefaultSlotSetBid))
+						minBidSelector := slotNum % int64(len(u.state.Auction.DefaultSlotSetBid))
 						minBid := minBidInfo[i].DefaultSlotSetBid[minBidSelector]
 						// Check if the bid has beaten the minimum
 						bid, ok := new(big.Int).SetString(string(bids[j].BidValue), 10)
@@ -306,7 +437,7 @@ func (hdb *HistoryDB) getNextForgers(txn *sqlx.Tx, ni *NodeInfo, lastBlock commo
 				if !foundForger { // There is no bid or it's smaller than the minimum
 					break
 				}
-				coordinator, err := hdb.GetCoordinatorAPI(bids[j].Bidder)
+				coordinator, err := u.hdb.GetCoordinatorAPI(bids[j].Bidder)
 				if err != nil {
 					return nil, tracerr.Wrap(err)
 				}
@@ -317,8 +448,8 @@ func (hdb *HistoryDB) getNextForgers(txn *sqlx.Tx, ni *NodeInfo, lastBlock commo
 		// If there is no bid, the coordinator that will forge is boot coordinator
 		if !foundForger {
 			nextForger.Coordinator = CoordinatorAPI{
-				Forger: ni.StateAPI.Auction.BootCoordinator,
+				Forger: u.state.Auction.BootCoordinator,
-				URL:    ni.StateAPI.Auction.BootCoordinatorURL,
+				URL:    u.state.Auction.BootCoordinatorURL,
 			}
 		}
 		nextForgers = append(nextForgers, nextForger)
@@ -326,11 +457,12 @@ func (hdb *HistoryDB) getNextForgers(txn *sqlx.Tx, ni *NodeInfo, lastBlock commo
 	return nextForgers, nil
 }
 
+// TODO: Rename to getMetrics and don't write anything
 // UpdateMetrics update Status.Metrics information
 func (hdb *HistoryDB) UpdateMetrics() error {
 	setUpdatedNodeInfo := func(txn *sqlx.Tx, ni *NodeInfo) error {
 		// Get the first and last batch of the last 24h and their timestamps
-		if ni.StateAPI.Network.LastBatch == nil {
+		if ni.APIState.Network.LastBatch == nil {
 			return nil
 		}
 		type period struct {
@@ -340,7 +472,7 @@ func (hdb *HistoryDB) UpdateMetrics() error {
 			ToTimestamp   time.Time       `meddler:"to_timestamp"`
 		}
 		p := &period{
-			ToBatchNum: ni.StateAPI.Network.LastBatch.BatchNum,
+			ToBatchNum: ni.APIState.Network.LastBatch.BatchNum,
 		}
 		if err := meddler.QueryRow(
 			txn, p, `SELECT
@@ -366,17 +498,17 @@ func (hdb *HistoryDB) UpdateMetrics() error {
 		if seconds == 0 { // Avoid dividing by 0
 			seconds++
 		}
-		ni.StateAPI.Metrics.TransactionsPerSecond = float64(nTxs) / seconds
+		ni.APIState.Metrics.TransactionsPerSecond = float64(nTxs) / seconds
 		// Set txs/batch
 		nBatches := p.ToBatchNum - p.FromBatchNum
 		if nBatches == 0 { // Avoid dividing by 0
 			nBatches++
 		}
 		if (p.ToBatchNum - p.FromBatchNum) > 0 {
-			ni.StateAPI.Metrics.TransactionsPerBatch = float64(nTxs) /
+			ni.APIState.Metrics.TransactionsPerBatch = float64(nTxs) /
 				float64(nBatches)
 		} else {
-			ni.StateAPI.Metrics.TransactionsPerBatch = 0
+			ni.APIState.Metrics.TransactionsPerBatch = 0
 		}
 		// Get total fee of that period
 		row = txn.QueryRow(
@@ -388,11 +520,11 @@ func (hdb *HistoryDB) UpdateMetrics() error {
 			return tracerr.Wrap(err)
 		}
 		// Set batch frequency
-		ni.StateAPI.Metrics.BatchFrequency = seconds / float64(nBatches)
+		ni.APIState.Metrics.BatchFrequency = seconds / float64(nBatches)
 		if nTxs > 0 {
-			ni.StateAPI.Metrics.AvgTransactionFee = totalFee / float64(nTxs)
+			ni.APIState.Metrics.AvgTransactionFee = totalFee / float64(nTxs)
 		} else {
-			ni.StateAPI.Metrics.AvgTransactionFee = 0
+			ni.APIState.Metrics.AvgTransactionFee = 0
 		}
 		// Get and set amount of registered accounts
 		type registeredAccounts struct {
@@ -406,8 +538,8 @@ func (hdb *HistoryDB) UpdateMetrics() error {
 		); err != nil {
 			return tracerr.Wrap(err)
 		}
-		ni.StateAPI.Metrics.TotalAccounts = ra.TotalIdx
+		ni.APIState.Metrics.TotalAccounts = ra.TotalIdx
-		ni.StateAPI.Metrics.TotalBJJs = ra.TotalBJJ
+		ni.APIState.Metrics.TotalBJJs = ra.TotalBJJ
 		// Get and set estimated time to forge L1 tx
 		row = txn.QueryRow(
 			`SELECT COALESCE (AVG(EXTRACT(EPOCH FROM (forged.timestamp - added.timestamp))), 0) FROM tx
@@ -421,7 +553,7 @@ func (hdb *HistoryDB) UpdateMetrics() error {
 		if err := row.Scan(&timeToForgeL1); err != nil {
 			return tracerr.Wrap(err)
 		}
-		ni.StateAPI.Metrics.EstimatedTimeToForgeL1 = timeToForgeL1
+		ni.APIState.Metrics.EstimatedTimeToForgeL1 = timeToForgeL1
 		return nil
 	}
 	return hdb.updateNodeInfo(setUpdatedNodeInfo)
@@ -464,11 +596,11 @@ func (hdb *HistoryDB) UpdateRecommendedFee() error {
 		} else {
 			avgTransactionFee = 0
 		}
-		ni.StateAPI.RecommendedFee.ExistingAccount =
+		ni.APIState.RecommendedFee.ExistingAccount =
 			math.Max(avgTransactionFee, *ni.MinFeeUSD)
-		ni.StateAPI.RecommendedFee.CreatesAccount =
+		ni.APIState.RecommendedFee.CreatesAccount =
 			math.Max(createAccountExtraFeePercentage*avgTransactionFee, *ni.MinFeeUSD)
-		ni.StateAPI.RecommendedFee.CreatesAccountAndRegister =
+		ni.APIState.RecommendedFee.CreatesAccountAndRegister =
 			math.Max(createAccountInternalExtraFeePercentage*avgTransactionFee, *ni.MinFeeUSD)
 		return nil
 	}

db/migrations/0001.sql

@@ -664,8 +664,9 @@ CREATE TABLE account_creation_auth (
 CREATE TABLE node_info (
     item_id SERIAL PRIMARY KEY,
     state BYTEA,            -- object returned by GET /state
-    max_pool_txs BIGINT,    -- L2DB config
+    config BYTEA,           -- Node config
-    min_fee NUMERIC,        -- L2DB config
+    -- max_pool_txs BIGINT,    -- L2DB config
+    -- min_fee NUMERIC,        -- L2DB config
     constants BYTEA         -- info of the network that is constant
 );
 INSERT INTO node_info(item_id) VALUES (1); -- Always have a single row that we will update