arnaucube
arnaucube/hermez-nodePublic Self-hosted repository
hermez-node/db/historydb/historydb.go
db/historydb/historydb.goRaw
   1package historydb
   2
   3import (
   4	"errors"
   5	"fmt"
   6	"math"
   7	"math/big"
   8	"strings"
   9
  10	ethCommon "github.com/ethereum/go-ethereum/common"
  11	"github.com/hermeznetwork/hermez-node/common"
  12	"github.com/hermeznetwork/hermez-node/db"
  13	"github.com/hermeznetwork/tracerr"
  14	"github.com/iden3/go-iden3-crypto/babyjub"
  15	"github.com/jmoiron/sqlx"
  16
  17	//nolint:errcheck // driver for postgres DB
  18	_ "github.com/lib/pq"
  19	"github.com/russross/meddler"
  20)
  21
  22const (
  23	// OrderAsc indicates ascending order when using pagination
  24	OrderAsc = "ASC"
  25	// OrderDesc indicates descending order when using pagination
  26	OrderDesc = "DESC"
  27)
  28
  29// TODO(Edu): Document here how HistoryDB is kept consistent
  30
  31// HistoryDB persist the historic of the rollup
  32type HistoryDB struct {
  33	db *sqlx.DB
  34}
  35
  36// NewHistoryDB initialize the DB
  37func NewHistoryDB(db *sqlx.DB) *HistoryDB {
  38	return &HistoryDB{db: db}
  39}
  40
  41// DB returns a pointer to the L2DB.db. This method should be used only for
  42// internal testing purposes.
  43func (hdb *HistoryDB) DB() *sqlx.DB {
  44	return hdb.db
  45}
  46
  47// AddBlock insert a block into the DB
  48func (hdb *HistoryDB) AddBlock(block *common.Block) error { return hdb.addBlock(hdb.db, block) }
  49func (hdb *HistoryDB) addBlock(d meddler.DB, block *common.Block) error {
  50	return tracerr.Wrap(meddler.Insert(d, "block", block))
  51}
  52
  53// AddBlocks inserts blocks into the DB
  54func (hdb *HistoryDB) AddBlocks(blocks []common.Block) error {
  55	return tracerr.Wrap(hdb.addBlocks(hdb.db, blocks))
  56}
  57
  58func (hdb *HistoryDB) addBlocks(d meddler.DB, blocks []common.Block) error {
  59	return tracerr.Wrap(db.BulkInsert(
  60		d,
  61		`INSERT INTO block (
  62			eth_block_num,
  63			timestamp,
  64			hash
  65		) VALUES %s;`,
  66		blocks[:],
  67	))
  68}
  69
  70// GetBlock retrieve a block from the DB, given a block number
  71func (hdb *HistoryDB) GetBlock(blockNum int64) (*common.Block, error) {
  72	block := &common.Block{}
  73	err := meddler.QueryRow(
  74		hdb.db, block,
  75		"SELECT * FROM block WHERE eth_block_num = $1;", blockNum,
  76	)
  77	return block, tracerr.Wrap(err)
  78}
  79
  80// GetAllBlocks retrieve all blocks from the DB
  81func (hdb *HistoryDB) GetAllBlocks() ([]common.Block, error) {
  82	var blocks []*common.Block
  83	err := meddler.QueryAll(
  84		hdb.db, &blocks,
  85		"SELECT * FROM block ORDER BY eth_block_num;",
  86	)
  87	return db.SlicePtrsToSlice(blocks).([]common.Block), tracerr.Wrap(err)
  88}
  89
  90// GetBlocks retrieve blocks from the DB, given a range of block numbers defined by from and to
  91func (hdb *HistoryDB) GetBlocks(from, to int64) ([]common.Block, error) {
  92	var blocks []*common.Block
  93	err := meddler.QueryAll(
  94		hdb.db, &blocks,
  95		"SELECT * FROM block WHERE $1 <= eth_block_num AND eth_block_num < $2 ORDER BY eth_block_num;",
  96		from, to,
  97	)
  98	return db.SlicePtrsToSlice(blocks).([]common.Block), tracerr.Wrap(err)
  99}
 100
 101// GetLastBlock retrieve the block with the highest block number from the DB
 102func (hdb *HistoryDB) GetLastBlock() (*common.Block, error) {
 103	block := &common.Block{}
 104	err := meddler.QueryRow(
 105		hdb.db, block, "SELECT * FROM block ORDER BY eth_block_num DESC LIMIT 1;",
 106	)
 107	return block, tracerr.Wrap(err)
 108}
 109
 110// AddBatch insert a Batch into the DB
 111func (hdb *HistoryDB) AddBatch(batch *common.Batch) error { return hdb.addBatch(hdb.db, batch) }
 112func (hdb *HistoryDB) addBatch(d meddler.DB, batch *common.Batch) error {
 113	// Calculate total collected fees in USD
 114	// Get IDs of collected tokens for fees
 115	tokenIDs := []common.TokenID{}
 116	for id := range batch.CollectedFees {
 117		tokenIDs = append(tokenIDs, id)
 118	}
 119	// Get USD value of the tokens
 120	type tokenPrice struct {
 121		ID       common.TokenID `meddler:"token_id"`
 122		USD      *float64       `meddler:"usd"`
 123		Decimals int            `meddler:"decimals"`
 124	}
 125	var tokenPrices []*tokenPrice
 126	if len(tokenIDs) > 0 {
 127		query, args, err := sqlx.In(
 128			"SELECT token_id, usd, decimals FROM token WHERE token_id IN (?);",
 129			tokenIDs,
 130		)
 131		if err != nil {
 132			return tracerr.Wrap(err)
 133		}
 134		query = hdb.db.Rebind(query)
 135		if err := meddler.QueryAll(
 136			hdb.db, &tokenPrices, query, args...,
 137		); err != nil {
 138			return tracerr.Wrap(err)
 139		}
 140	}
 141	// Calculate total collected
 142	var total float64
 143	for _, tokenPrice := range tokenPrices {
 144		if tokenPrice.USD == nil {
 145			continue
 146		}
 147		f := new(big.Float).SetInt(batch.CollectedFees[tokenPrice.ID])
 148		amount, _ := f.Float64()
 149		total += *tokenPrice.USD * (amount / math.Pow(10, float64(tokenPrice.Decimals))) //nolint decimals have to be ^10
 150	}
 151	batch.TotalFeesUSD = &total
 152	// Insert to DB
 153	return tracerr.Wrap(meddler.Insert(d, "batch", batch))
 154}
 155
 156// AddBatches insert Bids into the DB
 157func (hdb *HistoryDB) AddBatches(batches []common.Batch) error {
 158	return tracerr.Wrap(hdb.addBatches(hdb.db, batches))
 159}
 160func (hdb *HistoryDB) addBatches(d meddler.DB, batches []common.Batch) error {
 161	for i := 0; i < len(batches); i++ {
 162		if err := hdb.addBatch(d, &batches[i]); err != nil {
 163			return tracerr.Wrap(err)
 164		}
 165	}
 166	return nil
 167}
 168
 169// GetBatchAPI return the batch with the given batchNum
 170func (hdb *HistoryDB) GetBatchAPI(batchNum common.BatchNum) (*BatchAPI, error) {
 171	batch := &BatchAPI{}
 172	return batch, tracerr.Wrap(meddler.QueryRow(
 173		hdb.db, batch,
 174		`SELECT batch.item_id, batch.batch_num, batch.eth_block_num,
 175		batch.forger_addr, batch.fees_collected, batch.total_fees_usd, batch.state_root,
 176		batch.num_accounts, batch.exit_root, batch.forge_l1_txs_num, batch.slot_num,
 177		block.timestamp, block.hash,
 178	    COALESCE ((SELECT COUNT(*) FROM tx WHERE batch_num = batch.batch_num), 0) AS forged_txs
 179	    FROM batch INNER JOIN block ON batch.eth_block_num = block.eth_block_num
 180	 	WHERE batch_num = $1;`, batchNum,
 181	))
 182}
 183
 184// GetBatchesAPI return the batches applying the given filters
 185func (hdb *HistoryDB) GetBatchesAPI(
 186	minBatchNum, maxBatchNum, slotNum *uint,
 187	forgerAddr *ethCommon.Address,
 188	fromItem, limit *uint, order string,
 189) ([]BatchAPI, uint64, error) {
 190	var query string
 191	var args []interface{}
 192	queryStr := `SELECT batch.item_id, batch.batch_num, batch.eth_block_num,
 193	batch.forger_addr, batch.fees_collected, batch.total_fees_usd, batch.state_root,
 194	batch.num_accounts, batch.exit_root, batch.forge_l1_txs_num, batch.slot_num,
 195	block.timestamp, block.hash,
 196	COALESCE ((SELECT COUNT(*) FROM tx WHERE batch_num = batch.batch_num), 0) AS forged_txs,
 197	count(*) OVER() AS total_items
 198	FROM batch INNER JOIN block ON batch.eth_block_num = block.eth_block_num `
 199	// Apply filters
 200	nextIsAnd := false
 201	// minBatchNum filter
 202	if minBatchNum != nil {
 203		if nextIsAnd {
 204			queryStr += "AND "
 205		} else {
 206			queryStr += "WHERE "
 207		}
 208		queryStr += "batch.batch_num > ? "
 209		args = append(args, minBatchNum)
 210		nextIsAnd = true
 211	}
 212	// maxBatchNum filter
 213	if maxBatchNum != nil {
 214		if nextIsAnd {
 215			queryStr += "AND "
 216		} else {
 217			queryStr += "WHERE "
 218		}
 219		queryStr += "batch.batch_num < ? "
 220		args = append(args, maxBatchNum)
 221		nextIsAnd = true
 222	}
 223	// slotNum filter
 224	if slotNum != nil {
 225		if nextIsAnd {
 226			queryStr += "AND "
 227		} else {
 228			queryStr += "WHERE "
 229		}
 230		queryStr += "batch.slot_num = ? "
 231		args = append(args, slotNum)
 232		nextIsAnd = true
 233	}
 234	// forgerAddr filter
 235	if forgerAddr != nil {
 236		if nextIsAnd {
 237			queryStr += "AND "
 238		} else {
 239			queryStr += "WHERE "
 240		}
 241		queryStr += "batch.forger_addr = ? "
 242		args = append(args, forgerAddr)
 243		nextIsAnd = true
 244	}
 245	// pagination
 246	if fromItem != nil {
 247		if nextIsAnd {
 248			queryStr += "AND "
 249		} else {
 250			queryStr += "WHERE "
 251		}
 252		if order == OrderAsc {
 253			queryStr += "batch.item_id >= ? "
 254		} else {
 255			queryStr += "batch.item_id <= ? "
 256		}
 257		args = append(args, fromItem)
 258	}
 259	queryStr += "ORDER BY batch.item_id "
 260	if order == OrderAsc {
 261		queryStr += " ASC "
 262	} else {
 263		queryStr += " DESC "
 264	}
 265	queryStr += fmt.Sprintf("LIMIT %d;", *limit)
 266	query = hdb.db.Rebind(queryStr)
 267	// log.Debug(query)
 268	batchPtrs := []*BatchAPI{}
 269	if err := meddler.QueryAll(hdb.db, &batchPtrs, query, args...); err != nil {
 270		return nil, 0, tracerr.Wrap(err)
 271	}
 272	batches := db.SlicePtrsToSlice(batchPtrs).([]BatchAPI)
 273	if len(batches) == 0 {
 274		return batches, 0, nil
 275	}
 276	return batches, batches[0].TotalItems - uint64(len(batches)), nil
 277}
 278
 279// GetAllBatches retrieve all batches from the DB
 280func (hdb *HistoryDB) GetAllBatches() ([]common.Batch, error) {
 281	var batches []*common.Batch
 282	err := meddler.QueryAll(
 283		hdb.db, &batches,
 284		`SELECT batch.batch_num, batch.eth_block_num, batch.forger_addr, batch.fees_collected,
 285		 batch.fee_idxs_coordinator, batch.state_root, batch.num_accounts, batch.last_idx, batch.exit_root,
 286		 batch.forge_l1_txs_num, batch.slot_num, batch.total_fees_usd FROM batch
 287		 ORDER BY item_id;`,
 288	)
 289	return db.SlicePtrsToSlice(batches).([]common.Batch), tracerr.Wrap(err)
 290}
 291
 292// GetBatches retrieve batches from the DB, given a range of batch numbers defined by from and to
 293func (hdb *HistoryDB) GetBatches(from, to common.BatchNum) ([]common.Batch, error) {
 294	var batches []*common.Batch
 295	err := meddler.QueryAll(
 296		hdb.db, &batches,
 297		`SELECT batch_num, eth_block_num, forger_addr, fees_collected, fee_idxs_coordinator, 
 298		state_root, num_accounts, last_idx, exit_root, forge_l1_txs_num, slot_num, total_fees_usd 
 299		FROM batch WHERE $1 <= batch_num AND batch_num < $2 ORDER BY batch_num;`,
 300		from, to,
 301	)
 302	return db.SlicePtrsToSlice(batches).([]common.Batch), tracerr.Wrap(err)
 303}
 304
 305// GetFirstBatchBlockNumBySlot returns the ethereum block number of the first
 306// batch within a slot
 307func (hdb *HistoryDB) GetFirstBatchBlockNumBySlot(slotNum int64) (int64, error) {
 308	row := hdb.db.QueryRow(
 309		`SELECT eth_block_num FROM batch
 310		WHERE slot_num = $1 ORDER BY batch_num ASC LIMIT 1;`, slotNum,
 311	)
 312	var blockNum int64
 313	return blockNum, tracerr.Wrap(row.Scan(&blockNum))
 314}
 315
 316// GetLastBatchNum returns the BatchNum of the latest forged batch
 317func (hdb *HistoryDB) GetLastBatchNum() (common.BatchNum, error) {
 318	row := hdb.db.QueryRow("SELECT batch_num FROM batch ORDER BY batch_num DESC LIMIT 1;")
 319	var batchNum common.BatchNum
 320	return batchNum, tracerr.Wrap(row.Scan(&batchNum))
 321}
 322
 323// GetLastL1BatchBlockNum returns the blockNum of the latest forged l1Batch
 324func (hdb *HistoryDB) GetLastL1BatchBlockNum() (int64, error) {
 325	row := hdb.db.QueryRow(`SELECT eth_block_num FROM batch
 326		WHERE forge_l1_txs_num IS NOT NULL
 327		ORDER BY batch_num DESC LIMIT 1;`)
 328	var blockNum int64
 329	return blockNum, tracerr.Wrap(row.Scan(&blockNum))
 330}
 331
 332// GetLastL1TxsNum returns the greatest ForgeL1TxsNum in the DB from forged
 333// batches.  If there's no batch in the DB (nil, nil) is returned.
 334func (hdb *HistoryDB) GetLastL1TxsNum() (*int64, error) {
 335	row := hdb.db.QueryRow("SELECT MAX(forge_l1_txs_num) FROM batch;")
 336	lastL1TxsNum := new(int64)
 337	return lastL1TxsNum, tracerr.Wrap(row.Scan(&lastL1TxsNum))
 338}
 339
 340// Reorg deletes all the information that was added into the DB after the
 341// lastValidBlock.  If lastValidBlock is negative, all block information is
 342// deleted.
 343func (hdb *HistoryDB) Reorg(lastValidBlock int64) error {
 344	var err error
 345	if lastValidBlock < 0 {
 346		_, err = hdb.db.Exec("DELETE FROM block;")
 347	} else {
 348		_, err = hdb.db.Exec("DELETE FROM block WHERE eth_block_num > $1;", lastValidBlock)
 349	}
 350	return tracerr.Wrap(err)
 351}
 352
 353// AddBids insert Bids into the DB
 354func (hdb *HistoryDB) AddBids(bids []common.Bid) error { return hdb.addBids(hdb.db, bids) }
 355func (hdb *HistoryDB) addBids(d meddler.DB, bids []common.Bid) error {
 356	if len(bids) == 0 {
 357		return nil
 358	}
 359	// TODO: check the coordinator info
 360	return tracerr.Wrap(db.BulkInsert(
 361		d,
 362		"INSERT INTO bid (slot_num, bid_value, eth_block_num, bidder_addr) VALUES %s;",
 363		bids[:],
 364	))
 365}
 366
 367// GetAllBids retrieve all bids from the DB
 368func (hdb *HistoryDB) GetAllBids() ([]common.Bid, error) {
 369	var bids []*common.Bid
 370	err := meddler.QueryAll(
 371		hdb.db, &bids,
 372		`SELECT bid.slot_num, bid.bid_value, bid.eth_block_num, bid.bidder_addr FROM bid
 373		ORDER BY item_id;`,
 374	)
 375	return db.SlicePtrsToSlice(bids).([]common.Bid), tracerr.Wrap(err)
 376}
 377
 378// GetBestBidAPI returns the best bid in specific slot by slotNum
 379func (hdb *HistoryDB) GetBestBidAPI(slotNum *int64) (BidAPI, error) {
 380	bid := &BidAPI{}
 381	err := meddler.QueryRow(
 382		hdb.db, bid, `SELECT bid.*, block.timestamp, coordinator.forger_addr, coordinator.url 
 383		FROM bid INNER JOIN block ON bid.eth_block_num = block.eth_block_num
 384		INNER JOIN (
 385			SELECT bidder_addr, MAX(item_id) AS item_id FROM coordinator
 386			GROUP BY bidder_addr
 387		) c ON bid.bidder_addr = c.bidder_addr 
 388		INNER JOIN coordinator ON c.item_id = coordinator.item_id 
 389		WHERE slot_num = $1 ORDER BY item_id DESC LIMIT 1;`, slotNum,
 390	)
 391	return *bid, tracerr.Wrap(err)
 392}
 393
 394// GetBestBidCoordinator returns the forger address of the highest bidder in a slot by slotNum
 395func (hdb *HistoryDB) GetBestBidCoordinator(slotNum int64) (*common.BidCoordinator, error) {
 396	bidCoord := &common.BidCoordinator{}
 397	err := meddler.QueryRow(
 398		hdb.db, bidCoord,
 399		`SELECT (
 400			SELECT default_slot_set_bid
 401			FROM auction_vars
 402			WHERE default_slot_set_bid_slot_num <= $1
 403			ORDER BY eth_block_num DESC LIMIT 1
 404		),
 405		bid.slot_num, bid.bid_value, bid.bidder_addr,
 406		coordinator.forger_addr, coordinator.url
 407		FROM bid
 408		INNER JOIN (
 409			SELECT bidder_addr, MAX(item_id) AS item_id FROM coordinator
 410			GROUP BY bidder_addr
 411		) c ON bid.bidder_addr = c.bidder_addr 
 412		INNER JOIN coordinator ON c.item_id = coordinator.item_id
 413		WHERE bid.slot_num = $1 ORDER BY bid.item_id DESC LIMIT 1;`,
 414		slotNum)
 415
 416	return bidCoord, tracerr.Wrap(err)
 417}
 418
 419// GetBestBidsAPI returns the best bid in specific slot by slotNum
 420func (hdb *HistoryDB) GetBestBidsAPI(
 421	minSlotNum, maxSlotNum *int64,
 422	bidderAddr *ethCommon.Address,
 423	limit *uint, order string,
 424) ([]BidAPI, uint64, error) {
 425	var query string
 426	var args []interface{}
 427	// JOIN the best bid of each slot with the latest update of each coordinator
 428	queryStr := `SELECT b.*, block.timestamp, coordinator.forger_addr, coordinator.url, 
 429	COUNT(*) OVER() AS total_items FROM (
 430	   SELECT slot_num, MAX(item_id) as maxitem 
 431	   FROM bid GROUP BY slot_num
 432	)
 433	AS x INNER JOIN bid AS b ON b.item_id = x.maxitem
 434	INNER JOIN block ON b.eth_block_num = block.eth_block_num
 435	INNER JOIN (
 436		SELECT bidder_addr, MAX(item_id) AS item_id FROM coordinator
 437		GROUP BY bidder_addr
 438	) c ON b.bidder_addr = c.bidder_addr 
 439	INNER JOIN coordinator ON c.item_id = coordinator.item_id 
 440	WHERE (b.slot_num >= ? AND b.slot_num <= ?)`
 441	args = append(args, minSlotNum)
 442	args = append(args, maxSlotNum)
 443	// Apply filters
 444	if bidderAddr != nil {
 445		queryStr += " AND b.bidder_addr = ? "
 446		args = append(args, bidderAddr)
 447	}
 448	queryStr += " ORDER BY b.slot_num "
 449	if order == OrderAsc {
 450		queryStr += "ASC "
 451	} else {
 452		queryStr += "DESC "
 453	}
 454	if limit != nil {
 455		queryStr += fmt.Sprintf("LIMIT %d;", *limit)
 456	}
 457	query = hdb.db.Rebind(queryStr)
 458	bidPtrs := []*BidAPI{}
 459	if err := meddler.QueryAll(hdb.db, &bidPtrs, query, args...); err != nil {
 460		return nil, 0, tracerr.Wrap(err)
 461	}
 462	// log.Debug(query)
 463	bids := db.SlicePtrsToSlice(bidPtrs).([]BidAPI)
 464	if len(bids) == 0 {
 465		return bids, 0, nil
 466	}
 467	return bids, bids[0].TotalItems - uint64(len(bids)), nil
 468}
 469
 470// GetBidsAPI return the bids applying the given filters
 471func (hdb *HistoryDB) GetBidsAPI(
 472	slotNum *int64, bidderAddr *ethCommon.Address,
 473	fromItem, limit *uint, order string,
 474) ([]BidAPI, uint64, error) {
 475	var query string
 476	var args []interface{}
 477	// JOIN each bid with the latest update of each coordinator
 478	queryStr := `SELECT bid.*, block.timestamp, coord.forger_addr, coord.url, 
 479	COUNT(*) OVER() AS total_items
 480	FROM bid INNER JOIN block ON bid.eth_block_num = block.eth_block_num 
 481	INNER JOIN (
 482		SELECT bidder_addr, MAX(item_id) AS item_id FROM coordinator
 483		GROUP BY bidder_addr
 484	) c ON bid.bidder_addr = c.bidder_addr 
 485	INNER JOIN coordinator coord ON c.item_id = coord.item_id `
 486	// Apply filters
 487	nextIsAnd := false
 488	// slotNum filter
 489	if slotNum != nil {
 490		if nextIsAnd {
 491			queryStr += "AND "
 492		} else {
 493			queryStr += "WHERE "
 494		}
 495		queryStr += "bid.slot_num = ? "
 496		args = append(args, slotNum)
 497		nextIsAnd = true
 498	}
 499	// bidder filter
 500	if bidderAddr != nil {
 501		if nextIsAnd {
 502			queryStr += "AND "
 503		} else {
 504			queryStr += "WHERE "
 505		}
 506		queryStr += "bid.bidder_addr = ? "
 507		args = append(args, bidderAddr)
 508		nextIsAnd = true
 509	}
 510	if fromItem != nil {
 511		if nextIsAnd {
 512			queryStr += "AND "
 513		} else {
 514			queryStr += "WHERE "
 515		}
 516		if order == OrderAsc {
 517			queryStr += "bid.item_id >= ? "
 518		} else {
 519			queryStr += "bid.item_id <= ? "
 520		}
 521		args = append(args, fromItem)
 522	}
 523	// pagination
 524	queryStr += "ORDER BY bid.item_id "
 525	if order == OrderAsc {
 526		queryStr += "ASC "
 527	} else {
 528		queryStr += "DESC "
 529	}
 530	queryStr += fmt.Sprintf("LIMIT %d;", *limit)
 531	query, argsQ, err := sqlx.In(queryStr, args...)
 532	if err != nil {
 533		return nil, 0, tracerr.Wrap(err)
 534	}
 535	query = hdb.db.Rebind(query)
 536	bids := []*BidAPI{}
 537	if err := meddler.QueryAll(hdb.db, &bids, query, argsQ...); err != nil {
 538		return nil, 0, tracerr.Wrap(err)
 539	}
 540	if len(bids) == 0 {
 541		return []BidAPI{}, 0, nil
 542	}
 543	return db.SlicePtrsToSlice(bids).([]BidAPI), bids[0].TotalItems - uint64(len(bids)), nil
 544}
 545
 546// AddCoordinators insert Coordinators into the DB
 547func (hdb *HistoryDB) AddCoordinators(coordinators []common.Coordinator) error {
 548	return tracerr.Wrap(hdb.addCoordinators(hdb.db, coordinators))
 549}
 550func (hdb *HistoryDB) addCoordinators(d meddler.DB, coordinators []common.Coordinator) error {
 551	if len(coordinators) == 0 {
 552		return nil
 553	}
 554	return tracerr.Wrap(db.BulkInsert(
 555		d,
 556		"INSERT INTO coordinator (bidder_addr, forger_addr, eth_block_num, url) VALUES %s;",
 557		coordinators[:],
 558	))
 559}
 560
 561// AddExitTree insert Exit tree into the DB
 562func (hdb *HistoryDB) AddExitTree(exitTree []common.ExitInfo) error {
 563	return tracerr.Wrap(hdb.addExitTree(hdb.db, exitTree))
 564}
 565func (hdb *HistoryDB) addExitTree(d meddler.DB, exitTree []common.ExitInfo) error {
 566	if len(exitTree) == 0 {
 567		return nil
 568	}
 569	return tracerr.Wrap(db.BulkInsert(
 570		d,
 571		"INSERT INTO exit_tree (batch_num, account_idx, merkle_proof, balance, "+
 572			"instant_withdrawn, delayed_withdraw_request, delayed_withdrawn) VALUES %s;",
 573		exitTree[:],
 574	))
 575}
 576
 577func (hdb *HistoryDB) updateExitTree(d sqlx.Ext, blockNum int64,
 578	rollupWithdrawals []common.WithdrawInfo, wDelayerWithdrawals []common.WDelayerTransfer) error {
 579	if len(rollupWithdrawals) == 0 && len(wDelayerWithdrawals) == 0 {
 580		return nil
 581	}
 582	type withdrawal struct {
 583		BatchNum               int64              `db:"batch_num"`
 584		AccountIdx             int64              `db:"account_idx"`
 585		InstantWithdrawn       *int64             `db:"instant_withdrawn"`
 586		DelayedWithdrawRequest *int64             `db:"delayed_withdraw_request"`
 587		DelayedWithdrawn       *int64             `db:"delayed_withdrawn"`
 588		Owner                  *ethCommon.Address `db:"owner"`
 589		Token                  *ethCommon.Address `db:"token"`
 590	}
 591	withdrawals := make([]withdrawal, len(rollupWithdrawals)+len(wDelayerWithdrawals))
 592	for i := range rollupWithdrawals {
 593		info := &rollupWithdrawals[i]
 594		withdrawals[i] = withdrawal{
 595			BatchNum:   int64(info.NumExitRoot),
 596			AccountIdx: int64(info.Idx),
 597		}
 598		if info.InstantWithdraw {
 599			withdrawals[i].InstantWithdrawn = &blockNum
 600		} else {
 601			withdrawals[i].DelayedWithdrawRequest = &blockNum
 602			withdrawals[i].Owner = &info.Owner
 603			withdrawals[i].Token = &info.Token
 604		}
 605	}
 606	for i := range wDelayerWithdrawals {
 607		info := &wDelayerWithdrawals[i]
 608		withdrawals[len(rollupWithdrawals)+i] = withdrawal{
 609			DelayedWithdrawn: &blockNum,
 610			Owner:            &info.Owner,
 611			Token:            &info.Token,
 612		}
 613	}
 614	// In VALUES we set an initial row of NULLs to set the types of each
 615	// variable passed as argument
 616	const query string = `
 617		UPDATE exit_tree e SET
 618			instant_withdrawn = d.instant_withdrawn,
 619			delayed_withdraw_request = CASE
 620				WHEN e.delayed_withdraw_request IS NOT NULL THEN e.delayed_withdraw_request
 621				ELSE d.delayed_withdraw_request
 622			END,
 623			delayed_withdrawn = d.delayed_withdrawn,
 624			owner = d.owner,
 625			token = d.token
 626		FROM (VALUES
 627			(NULL::::BIGINT, NULL::::BIGINT, NULL::::BIGINT, NULL::::BIGINT, NULL::::BIGINT, NULL::::BYTEA, NULL::::BYTEA),
 628			(:batch_num,
 629			 :account_idx,
 630			 :instant_withdrawn,
 631			 :delayed_withdraw_request,
 632			 :delayed_withdrawn,
 633			 :owner,
 634			 :token)
 635		) as d (batch_num, account_idx, instant_withdrawn, delayed_withdraw_request, delayed_withdrawn, owner, token)
 636		WHERE
 637			(d.batch_num IS NOT NULL AND e.batch_num = d.batch_num AND e.account_idx = d.account_idx) OR
 638			(d.delayed_withdrawn IS NOT NULL AND e.delayed_withdrawn IS NULL AND e.owner = d.owner AND e.token = d.token);
 639		`
 640	if len(withdrawals) > 0 {
 641		if _, err := sqlx.NamedExec(d, query, withdrawals); err != nil {
 642			return tracerr.Wrap(err)
 643		}
 644	}
 645
 646	return nil
 647}
 648
 649// AddToken insert a token into the DB
 650func (hdb *HistoryDB) AddToken(token *common.Token) error {
 651	return tracerr.Wrap(meddler.Insert(hdb.db, "token", token))
 652}
 653
 654// AddTokens insert tokens into the DB
 655func (hdb *HistoryDB) AddTokens(tokens []common.Token) error { return hdb.addTokens(hdb.db, tokens) }
 656func (hdb *HistoryDB) addTokens(d meddler.DB, tokens []common.Token) error {
 657	if len(tokens) == 0 {
 658		return nil
 659	}
 660	// Sanitize name and symbol
 661	for i, token := range tokens {
 662		token.Name = strings.ToValidUTF8(token.Name, " ")
 663		token.Symbol = strings.ToValidUTF8(token.Symbol, " ")
 664		tokens[i] = token
 665	}
 666	return tracerr.Wrap(db.BulkInsert(
 667		d,
 668		`INSERT INTO token (
 669			token_id,
 670			eth_block_num,
 671			eth_addr,
 672			name,
 673			symbol,
 674			decimals
 675		) VALUES %s;`,
 676		tokens[:],
 677	))
 678}
 679
 680// UpdateTokenValue updates the USD value of a token
 681func (hdb *HistoryDB) UpdateTokenValue(tokenSymbol string, value float64) error {
 682	// Sanitize symbol
 683	tokenSymbol = strings.ToValidUTF8(tokenSymbol, " ")
 684
 685	_, err := hdb.db.Exec(
 686		"UPDATE token SET usd = $1 WHERE symbol = $2;",
 687		value, tokenSymbol,
 688	)
 689	return tracerr.Wrap(err)
 690}
 691
 692// GetToken returns a token from the DB given a TokenID
 693func (hdb *HistoryDB) GetToken(tokenID common.TokenID) (*TokenWithUSD, error) {
 694	token := &TokenWithUSD{}
 695	err := meddler.QueryRow(
 696		hdb.db, token, `SELECT * FROM token WHERE token_id = $1;`, tokenID,
 697	)
 698	return token, tracerr.Wrap(err)
 699}
 700
 701// GetAllTokens returns all tokens from the DB
 702func (hdb *HistoryDB) GetAllTokens() ([]TokenWithUSD, error) {
 703	var tokens []*TokenWithUSD
 704	err := meddler.QueryAll(
 705		hdb.db, &tokens,
 706		"SELECT * FROM token ORDER BY token_id;",
 707	)
 708	return db.SlicePtrsToSlice(tokens).([]TokenWithUSD), tracerr.Wrap(err)
 709}
 710
 711// GetTokens returns a list of tokens from the DB
 712func (hdb *HistoryDB) GetTokens(
 713	ids []common.TokenID, symbols []string, name string, fromItem,
 714	limit *uint, order string,
 715) ([]TokenWithUSD, uint64, error) {
 716	var query string
 717	var args []interface{}
 718	queryStr := `SELECT * , COUNT(*) OVER() AS total_items FROM token `
 719	// Apply filters
 720	nextIsAnd := false
 721	if len(ids) > 0 {
 722		queryStr += "WHERE token_id IN (?) "
 723		nextIsAnd = true
 724		args = append(args, ids)
 725	}
 726	if len(symbols) > 0 {
 727		if nextIsAnd {
 728			queryStr += "AND "
 729		} else {
 730			queryStr += "WHERE "
 731		}
 732		queryStr += "symbol IN (?) "
 733		args = append(args, symbols)
 734		nextIsAnd = true
 735	}
 736	if name != "" {
 737		if nextIsAnd {
 738			queryStr += "AND "
 739		} else {
 740			queryStr += "WHERE "
 741		}
 742		queryStr += "name ~ ? "
 743		args = append(args, name)
 744		nextIsAnd = true
 745	}
 746	if fromItem != nil {
 747		if nextIsAnd {
 748			queryStr += "AND "
 749		} else {
 750			queryStr += "WHERE "
 751		}
 752		if order == OrderAsc {
 753			queryStr += "item_id >= ? "
 754		} else {
 755			queryStr += "item_id <= ? "
 756		}
 757		args = append(args, fromItem)
 758	}
 759	// pagination
 760	queryStr += "ORDER BY item_id "
 761	if order == OrderAsc {
 762		queryStr += "ASC "
 763	} else {
 764		queryStr += "DESC "
 765	}
 766	queryStr += fmt.Sprintf("LIMIT %d;", *limit)
 767	query, argsQ, err := sqlx.In(queryStr, args...)
 768	if err != nil {
 769		return nil, 0, tracerr.Wrap(err)
 770	}
 771	query = hdb.db.Rebind(query)
 772	tokens := []*TokenWithUSD{}
 773	if err := meddler.QueryAll(hdb.db, &tokens, query, argsQ...); err != nil {
 774		return nil, 0, tracerr.Wrap(err)
 775	}
 776	if len(tokens) == 0 {
 777		return []TokenWithUSD{}, 0, nil
 778	}
 779	return db.SlicePtrsToSlice(tokens).([]TokenWithUSD), uint64(len(tokens)) - tokens[0].TotalItems, nil
 780}
 781
 782// GetTokenSymbols returns all the token symbols from the DB
 783func (hdb *HistoryDB) GetTokenSymbols() ([]string, error) {
 784	var tokenSymbols []string
 785	rows, err := hdb.db.Query("SELECT symbol FROM token;")
 786	if err != nil {
 787		return nil, tracerr.Wrap(err)
 788	}
 789	defer db.RowsClose(rows)
 790	sym := new(string)
 791	for rows.Next() {
 792		err = rows.Scan(sym)
 793		if err != nil {
 794			return nil, tracerr.Wrap(err)
 795		}
 796		tokenSymbols = append(tokenSymbols, *sym)
 797	}
 798	return tokenSymbols, nil
 799}
 800
 801// AddAccounts insert accounts into the DB
 802func (hdb *HistoryDB) AddAccounts(accounts []common.Account) error {
 803	return tracerr.Wrap(hdb.addAccounts(hdb.db, accounts))
 804}
 805func (hdb *HistoryDB) addAccounts(d meddler.DB, accounts []common.Account) error {
 806	if len(accounts) == 0 {
 807		return nil
 808	}
 809	return tracerr.Wrap(db.BulkInsert(
 810		d,
 811		`INSERT INTO account (
 812			idx,
 813			token_id,
 814			batch_num,
 815			bjj,
 816			eth_addr
 817		) VALUES %s;`,
 818		accounts[:],
 819	))
 820}
 821
 822// GetAllAccounts returns a list of accounts from the DB
 823func (hdb *HistoryDB) GetAllAccounts() ([]common.Account, error) {
 824	var accs []*common.Account
 825	err := meddler.QueryAll(
 826		hdb.db, &accs,
 827		"SELECT idx, token_id, batch_num, bjj, eth_addr FROM account ORDER BY idx;",
 828	)
 829	return db.SlicePtrsToSlice(accs).([]common.Account), tracerr.Wrap(err)
 830}
 831
 832// AddL1Txs inserts L1 txs to the DB. USD and DepositAmountUSD will be set automatically before storing the tx.
 833// If the tx is originated by a coordinator, BatchNum must be provided. If it's originated by a user,
 834// BatchNum should be null, and the value will be setted by a trigger when a batch forges the tx.
 835// EffectiveAmount and EffectiveDepositAmount are seted with default values by the DB.
 836func (hdb *HistoryDB) AddL1Txs(l1txs []common.L1Tx) error {
 837	return tracerr.Wrap(hdb.addL1Txs(hdb.db, l1txs))
 838}
 839
 840// addL1Txs inserts L1 txs to the DB. USD and DepositAmountUSD will be set automatically before storing the tx.
 841// If the tx is originated by a coordinator, BatchNum must be provided. If it's originated by a user,
 842// BatchNum should be null, and the value will be setted by a trigger when a batch forges the tx.
 843// EffectiveAmount and EffectiveDepositAmount are seted with default values by the DB.
 844func (hdb *HistoryDB) addL1Txs(d meddler.DB, l1txs []common.L1Tx) error {
 845	if len(l1txs) == 0 {
 846		return nil
 847	}
 848	txs := []txWrite{}
 849	for i := 0; i < len(l1txs); i++ {
 850		af := new(big.Float).SetInt(l1txs[i].Amount)
 851		amountFloat, _ := af.Float64()
 852		laf := new(big.Float).SetInt(l1txs[i].DepositAmount)
 853		depositAmountFloat, _ := laf.Float64()
 854		var effectiveFromIdx *common.Idx
 855		if l1txs[i].UserOrigin {
 856			if l1txs[i].Type != common.TxTypeCreateAccountDeposit &&
 857				l1txs[i].Type != common.TxTypeCreateAccountDepositTransfer {
 858				effectiveFromIdx = &l1txs[i].FromIdx
 859			}
 860		} else {
 861			effectiveFromIdx = &l1txs[i].EffectiveFromIdx
 862		}
 863		txs = append(txs, txWrite{
 864			// Generic
 865			IsL1:             true,
 866			TxID:             l1txs[i].TxID,
 867			Type:             l1txs[i].Type,
 868			Position:         l1txs[i].Position,
 869			FromIdx:          &l1txs[i].FromIdx,
 870			EffectiveFromIdx: effectiveFromIdx,
 871			ToIdx:            l1txs[i].ToIdx,
 872			Amount:           l1txs[i].Amount,
 873			AmountFloat:      amountFloat,
 874			TokenID:          l1txs[i].TokenID,
 875			BatchNum:         l1txs[i].BatchNum,
 876			EthBlockNum:      l1txs[i].EthBlockNum,
 877			// L1
 878			ToForgeL1TxsNum:    l1txs[i].ToForgeL1TxsNum,
 879			UserOrigin:         &l1txs[i].UserOrigin,
 880			FromEthAddr:        &l1txs[i].FromEthAddr,
 881			FromBJJ:            &l1txs[i].FromBJJ,
 882			DepositAmount:      l1txs[i].DepositAmount,
 883			DepositAmountFloat: &depositAmountFloat,
 884		})
 885	}
 886	return tracerr.Wrap(hdb.addTxs(d, txs))
 887}
 888
 889// AddL2Txs inserts L2 txs to the DB. TokenID, USD and FeeUSD will be set automatically before storing the tx.
 890func (hdb *HistoryDB) AddL2Txs(l2txs []common.L2Tx) error {
 891	return tracerr.Wrap(hdb.addL2Txs(hdb.db, l2txs))
 892}
 893
 894// addL2Txs inserts L2 txs to the DB. TokenID, USD and FeeUSD will be set automatically before storing the tx.
 895func (hdb *HistoryDB) addL2Txs(d meddler.DB, l2txs []common.L2Tx) error {
 896	txs := []txWrite{}
 897	for i := 0; i < len(l2txs); i++ {
 898		f := new(big.Float).SetInt(l2txs[i].Amount)
 899		amountFloat, _ := f.Float64()
 900		txs = append(txs, txWrite{
 901			// Generic
 902			IsL1:             false,
 903			TxID:             l2txs[i].TxID,
 904			Type:             l2txs[i].Type,
 905			Position:         l2txs[i].Position,
 906			FromIdx:          &l2txs[i].FromIdx,
 907			EffectiveFromIdx: &l2txs[i].FromIdx,
 908			ToIdx:            l2txs[i].ToIdx,
 909			Amount:           l2txs[i].Amount,
 910			AmountFloat:      amountFloat,
 911			BatchNum:         &l2txs[i].BatchNum,
 912			EthBlockNum:      l2txs[i].EthBlockNum,
 913			// L2
 914			Fee:   &l2txs[i].Fee,
 915			Nonce: &l2txs[i].Nonce,
 916		})
 917	}
 918	return tracerr.Wrap(hdb.addTxs(d, txs))
 919}
 920
 921func (hdb *HistoryDB) addTxs(d meddler.DB, txs []txWrite) error {
 922	if len(txs) == 0 {
 923		return nil
 924	}
 925	return tracerr.Wrap(db.BulkInsert(
 926		d,
 927		`INSERT INTO tx (
 928			is_l1,
 929			id,
 930			type,
 931			position,
 932			from_idx,
 933			effective_from_idx,
 934			to_idx,
 935			amount,
 936			amount_f,
 937			token_id,
 938			batch_num,
 939			eth_block_num,
 940			to_forge_l1_txs_num,
 941			user_origin,
 942			from_eth_addr,
 943			from_bjj,
 944			deposit_amount,
 945			deposit_amount_f,
 946			fee,
 947			nonce
 948		) VALUES %s;`,
 949		txs[:],
 950	))
 951}
 952
 953// GetHistoryTx returns a tx from the DB given a TxID
 954func (hdb *HistoryDB) GetHistoryTx(txID common.TxID) (*TxAPI, error) {
 955	// Warning: amount_success and deposit_amount_success have true as default for
 956	// performance reasons. The expected default value is false (when txs are unforged)
 957	// this case is handled at the function func (tx TxAPI) MarshalJSON() ([]byte, error)
 958	tx := &TxAPI{}
 959	err := meddler.QueryRow(
 960		hdb.db, tx, `SELECT tx.item_id, tx.is_l1, tx.id, tx.type, tx.position, 
 961		hez_idx(tx.effective_from_idx, token.symbol) AS from_idx, tx.from_eth_addr, tx.from_bjj,
 962		hez_idx(tx.to_idx, token.symbol) AS to_idx, tx.to_eth_addr, tx.to_bjj,
 963		tx.amount, tx.amount_success, tx.token_id, tx.amount_usd, 
 964		tx.batch_num, tx.eth_block_num, tx.to_forge_l1_txs_num, tx.user_origin, 
 965		tx.deposit_amount, tx.deposit_amount_usd, tx.deposit_amount_success, tx.fee, tx.fee_usd, tx.nonce,
 966		token.token_id, token.item_id AS token_item_id, token.eth_block_num AS token_block,
 967		token.eth_addr, token.name, token.symbol, token.decimals, token.usd,
 968		token.usd_update, block.timestamp
 969		FROM tx INNER JOIN token ON tx.token_id = token.token_id 
 970		INNER JOIN block ON tx.eth_block_num = block.eth_block_num 
 971		WHERE tx.id = $1;`, txID,
 972	)
 973	return tx, tracerr.Wrap(err)
 974}
 975
 976// GetHistoryTxs returns a list of txs from the DB using the HistoryTx struct
 977// and pagination info
 978func (hdb *HistoryDB) GetHistoryTxs(
 979	ethAddr *ethCommon.Address, bjj *babyjub.PublicKeyComp,
 980	tokenID *common.TokenID, idx *common.Idx, batchNum *uint, txType *common.TxType,
 981	fromItem, limit *uint, order string,
 982) ([]TxAPI, uint64, error) {
 983	// Warning: amount_success and deposit_amount_success have true as default for
 984	// performance reasons. The expected default value is false (when txs are unforged)
 985	// this case is handled at the function func (tx TxAPI) MarshalJSON() ([]byte, error)
 986	if ethAddr != nil && bjj != nil {
 987		return nil, 0, tracerr.Wrap(errors.New("ethAddr and bjj are incompatible"))
 988	}
 989	var query string
 990	var args []interface{}
 991	queryStr := `SELECT tx.item_id, tx.is_l1, tx.id, tx.type, tx.position, 
 992	hez_idx(tx.effective_from_idx, token.symbol) AS from_idx, tx.from_eth_addr, tx.from_bjj,
 993	hez_idx(tx.to_idx, token.symbol) AS to_idx, tx.to_eth_addr, tx.to_bjj,
 994	tx.amount, tx.amount_success, tx.token_id, tx.amount_usd, 
 995	tx.batch_num, tx.eth_block_num, tx.to_forge_l1_txs_num, tx.user_origin, 
 996	tx.deposit_amount, tx.deposit_amount_usd, tx.deposit_amount_success, tx.fee, tx.fee_usd, tx.nonce,
 997	token.token_id, token.item_id AS token_item_id, token.eth_block_num AS token_block,
 998	token.eth_addr, token.name, token.symbol, token.decimals, token.usd,
 999	token.usd_update, block.timestamp, count(*) OVER() AS total_items 
1000	FROM tx INNER JOIN token ON tx.token_id = token.token_id 
1001	INNER JOIN block ON tx.eth_block_num = block.eth_block_num `
1002	// Apply filters
1003	nextIsAnd := false
1004	// ethAddr filter
1005	if ethAddr != nil {
1006		queryStr += "WHERE (tx.from_eth_addr = ? OR tx.to_eth_addr = ?) "
1007		nextIsAnd = true
1008		args = append(args, ethAddr, ethAddr)
1009	} else if bjj != nil { // bjj filter
1010		queryStr += "WHERE (tx.from_bjj = ? OR tx.to_bjj = ?) "
1011		nextIsAnd = true
1012		args = append(args, bjj, bjj)
1013	}
1014	// tokenID filter
1015	if tokenID != nil {
1016		if nextIsAnd {
1017			queryStr += "AND "
1018		} else {
1019			queryStr += "WHERE "
1020		}
1021		queryStr += "tx.token_id = ? "
1022		args = append(args, tokenID)
1023		nextIsAnd = true
1024	}
1025	// idx filter
1026	if idx != nil {
1027		if nextIsAnd {
1028			queryStr += "AND "
1029		} else {
1030			queryStr += "WHERE "
1031		}
1032		queryStr += "(tx.effective_from_idx = ? OR tx.to_idx = ?) "
1033		args = append(args, idx, idx)
1034		nextIsAnd = true
1035	}
1036	// batchNum filter
1037	if batchNum != nil {
1038		if nextIsAnd {
1039			queryStr += "AND "
1040		} else {
1041			queryStr += "WHERE "
1042		}
1043		queryStr += "tx.batch_num = ? "
1044		args = append(args, batchNum)
1045		nextIsAnd = true
1046	}
1047	// txType filter
1048	if txType != nil {
1049		if nextIsAnd {
1050			queryStr += "AND "
1051		} else {
1052			queryStr += "WHERE "
1053		}
1054		queryStr += "tx.type = ? "
1055		args = append(args, txType)
1056		nextIsAnd = true
1057	}
1058	if fromItem != nil {
1059		if nextIsAnd {
1060			queryStr += "AND "
1061		} else {
1062			queryStr += "WHERE "
1063		}
1064		if order == OrderAsc {
1065			queryStr += "tx.item_id >= ? "
1066		} else {
1067			queryStr += "tx.item_id <= ? "
1068		}
1069		args = append(args, fromItem)
1070		nextIsAnd = true
1071	}
1072	if nextIsAnd {
1073		queryStr += "AND "
1074	} else {
1075		queryStr += "WHERE "
1076	}
1077	queryStr += "tx.batch_num IS NOT NULL "
1078
1079	// pagination
1080	queryStr += "ORDER BY tx.item_id "
1081	if order == OrderAsc {
1082		queryStr += " ASC "
1083	} else {
1084		queryStr += " DESC "
1085	}
1086	queryStr += fmt.Sprintf("LIMIT %d;", *limit)
1087	query = hdb.db.Rebind(queryStr)
1088	// log.Debug(query)
1089	txsPtrs := []*TxAPI{}
1090	if err := meddler.QueryAll(hdb.db, &txsPtrs, query, args...); err != nil {
1091		return nil, 0, tracerr.Wrap(err)
1092	}
1093	txs := db.SlicePtrsToSlice(txsPtrs).([]TxAPI)
1094	if len(txs) == 0 {
1095		return txs, 0, nil
1096	}
1097	return txs, txs[0].TotalItems - uint64(len(txs)), nil
1098}
1099
1100// GetAllExits returns all exit from the DB
1101func (hdb *HistoryDB) GetAllExits() ([]common.ExitInfo, error) {
1102	var exits []*common.ExitInfo
1103	err := meddler.QueryAll(
1104		hdb.db, &exits,
1105		`SELECT exit_tree.batch_num, exit_tree.account_idx, exit_tree.merkle_proof,
1106		exit_tree.balance, exit_tree.instant_withdrawn, exit_tree.delayed_withdraw_request,
1107		exit_tree.delayed_withdrawn FROM exit_tree ORDER BY item_id;`,
1108	)
1109	return db.SlicePtrsToSlice(exits).([]common.ExitInfo), tracerr.Wrap(err)
1110}
1111
1112// GetExitAPI returns a exit from the DB
1113func (hdb *HistoryDB) GetExitAPI(batchNum *uint, idx *common.Idx) (*ExitAPI, error) {
1114	exit := &ExitAPI{}
1115	err := meddler.QueryRow(
1116		hdb.db, exit, `SELECT exit_tree.item_id, exit_tree.batch_num,
1117		hez_idx(exit_tree.account_idx, token.symbol) AS account_idx,
1118		account.bjj, account.eth_addr,
1119		exit_tree.merkle_proof, exit_tree.balance, exit_tree.instant_withdrawn,
1120		exit_tree.delayed_withdraw_request, exit_tree.delayed_withdrawn,
1121		token.token_id, token.item_id AS token_item_id, 
1122		token.eth_block_num AS token_block, token.eth_addr AS token_eth_addr, token.name, token.symbol, 
1123		token.decimals, token.usd, token.usd_update
1124		FROM exit_tree INNER JOIN account ON exit_tree.account_idx = account.idx 
1125		INNER JOIN token ON account.token_id = token.token_id 
1126		WHERE exit_tree.batch_num = $1 AND exit_tree.account_idx = $2;`, batchNum, idx,
1127	)
1128	return exit, tracerr.Wrap(err)
1129}
1130
1131// GetExitsAPI returns a list of exits from the DB and pagination info
1132func (hdb *HistoryDB) GetExitsAPI(
1133	ethAddr *ethCommon.Address, bjj *babyjub.PublicKeyComp, tokenID *common.TokenID,
1134	idx *common.Idx, batchNum *uint, onlyPendingWithdraws *bool,
1135	fromItem, limit *uint, order string,
1136) ([]ExitAPI, uint64, error) {
1137	if ethAddr != nil && bjj != nil {
1138		return nil, 0, tracerr.Wrap(errors.New("ethAddr and bjj are incompatible"))
1139	}
1140	var query string
1141	var args []interface{}
1142	queryStr := `SELECT exit_tree.item_id, exit_tree.batch_num,
1143	hez_idx(exit_tree.account_idx, token.symbol) AS account_idx,
1144	account.bjj, account.eth_addr,
1145	exit_tree.merkle_proof, exit_tree.balance, exit_tree.instant_withdrawn,
1146	exit_tree.delayed_withdraw_request, exit_tree.delayed_withdrawn,
1147	token.token_id, token.item_id AS token_item_id,
1148	token.eth_block_num AS token_block, token.eth_addr AS token_eth_addr, token.name, token.symbol,
1149	token.decimals, token.usd, token.usd_update, COUNT(*) OVER() AS total_items
1150	FROM exit_tree INNER JOIN account ON exit_tree.account_idx = account.idx 
1151	INNER JOIN token ON account.token_id = token.token_id `
1152	// Apply filters
1153	nextIsAnd := false
1154	// ethAddr filter
1155	if ethAddr != nil {
1156		queryStr += "WHERE account.eth_addr = ? "
1157		nextIsAnd = true
1158		args = append(args, ethAddr)
1159	} else if bjj != nil { // bjj filter
1160		queryStr += "WHERE account.bjj = ? "
1161		nextIsAnd = true
1162		args = append(args, bjj)
1163	}
1164	// tokenID filter
1165	if tokenID != nil {
1166		if nextIsAnd {
1167			queryStr += "AND "
1168		} else {
1169			queryStr += "WHERE "
1170		}
1171		queryStr += "account.token_id = ? "
1172		args = append(args, tokenID)
1173		nextIsAnd = true
1174	}
1175	// idx filter
1176	if idx != nil {
1177		if nextIsAnd {
1178			queryStr += "AND "
1179		} else {
1180			queryStr += "WHERE "
1181		}
1182		queryStr += "exit_tree.account_idx = ? "
1183		args = append(args, idx)
1184		nextIsAnd = true
1185	}
1186	// batchNum filter
1187	if batchNum != nil {
1188		if nextIsAnd {
1189			queryStr += "AND "
1190		} else {
1191			queryStr += "WHERE "
1192		}
1193		queryStr += "exit_tree.batch_num = ? "
1194		args = append(args, batchNum)
1195		nextIsAnd = true
1196	}
1197	// onlyPendingWithdraws
1198	if onlyPendingWithdraws != nil {
1199		if *onlyPendingWithdraws {
1200			if nextIsAnd {
1201				queryStr += "AND "
1202			} else {
1203				queryStr += "WHERE "
1204			}
1205			queryStr += "(exit_tree.instant_withdrawn IS NULL AND exit_tree.delayed_withdrawn IS NULL) "
1206			nextIsAnd = true
1207		}
1208	}
1209	if fromItem != nil {
1210		if nextIsAnd {
1211			queryStr += "AND "
1212		} else {
1213			queryStr += "WHERE "
1214		}
1215		if order == OrderAsc {
1216			queryStr += "exit_tree.item_id >= ? "
1217		} else {
1218			queryStr += "exit_tree.item_id <= ? "
1219		}
1220		args = append(args, fromItem)
1221		// nextIsAnd = true
1222	}
1223	// pagination
1224	queryStr += "ORDER BY exit_tree.item_id "
1225	if order == OrderAsc {
1226		queryStr += " ASC "
1227	} else {
1228		queryStr += " DESC "
1229	}
1230	queryStr += fmt.Sprintf("LIMIT %d;", *limit)
1231	query = hdb.db.Rebind(queryStr)
1232	// log.Debug(query)
1233	exits := []*ExitAPI{}
1234	if err := meddler.QueryAll(hdb.db, &exits, query, args...); err != nil {
1235		return nil, 0, tracerr.Wrap(err)
1236	}
1237	if len(exits) == 0 {
1238		return []ExitAPI{}, 0, nil
1239	}
1240	return db.SlicePtrsToSlice(exits).([]ExitAPI), exits[0].TotalItems - uint64(len(exits)), nil
1241}
1242
1243// GetAllL1UserTxs returns all L1UserTxs from the DB
1244func (hdb *HistoryDB) GetAllL1UserTxs() ([]common.L1Tx, error) {
1245	var txs []*common.L1Tx
1246	err := meddler.QueryAll(
1247		hdb.db, &txs, // Note that '\x' gets parsed as a big.Int with value = 0
1248		`SELECT tx.id, tx.to_forge_l1_txs_num, tx.position, tx.user_origin,
1249		tx.from_idx, tx.effective_from_idx, tx.from_eth_addr, tx.from_bjj, tx.to_idx, tx.token_id,
1250		tx.amount, (CASE WHEN tx.batch_num IS NULL THEN NULL WHEN tx.amount_success THEN tx.amount ELSE '\x' END) AS effective_amount,
1251		tx.deposit_amount, (CASE WHEN tx.batch_num IS NULL THEN NULL WHEN tx.deposit_amount_success THEN tx.deposit_amount ELSE '\x' END) AS effective_deposit_amount,
1252		tx.eth_block_num, tx.type, tx.batch_num
1253		FROM tx WHERE is_l1 = TRUE AND user_origin = TRUE ORDER BY item_id;`,
1254	)
1255	return db.SlicePtrsToSlice(txs).([]common.L1Tx), tracerr.Wrap(err)
1256}
1257
1258// GetAllL1CoordinatorTxs returns all L1CoordinatorTxs from the DB
1259func (hdb *HistoryDB) GetAllL1CoordinatorTxs() ([]common.L1Tx, error) {
1260	var txs []*common.L1Tx
1261	// Since the query specifies that only coordinator txs are returned, it's safe to assume
1262	// that returned txs will always have effective amounts
1263	err := meddler.QueryAll(
1264		hdb.db, &txs,
1265		`SELECT tx.id, tx.to_forge_l1_txs_num, tx.position, tx.user_origin,
1266		tx.from_idx, tx.effective_from_idx, tx.from_eth_addr, tx.from_bjj, tx.to_idx, tx.token_id,
1267		tx.amount, tx.amount AS effective_amount,
1268		tx.deposit_amount, tx.deposit_amount AS effective_deposit_amount,
1269		tx.eth_block_num, tx.type, tx.batch_num
1270		FROM tx WHERE is_l1 = TRUE AND user_origin = FALSE ORDER BY item_id;`,
1271	)
1272	return db.SlicePtrsToSlice(txs).([]common.L1Tx), tracerr.Wrap(err)
1273}
1274
1275// GetAllL2Txs returns all L2Txs from the DB
1276func (hdb *HistoryDB) GetAllL2Txs() ([]common.L2Tx, error) {
1277	var txs []*common.L2Tx
1278	err := meddler.QueryAll(
1279		hdb.db, &txs,
1280		`SELECT tx.id, tx.batch_num, tx.position,
1281		tx.from_idx, tx.to_idx, tx.amount, tx.fee, tx.nonce,
1282		tx.type, tx.eth_block_num
1283		FROM tx WHERE is_l1 = FALSE ORDER BY item_id;`,
1284	)
1285	return db.SlicePtrsToSlice(txs).([]common.L2Tx), tracerr.Wrap(err)
1286}
1287
1288// GetUnforgedL1UserTxs gets L1 User Txs to be forged in the L1Batch with toForgeL1TxsNum.
1289func (hdb *HistoryDB) GetUnforgedL1UserTxs(toForgeL1TxsNum int64) ([]common.L1Tx, error) {
1290	var txs []*common.L1Tx
1291	err := meddler.QueryAll(
1292		hdb.db, &txs, // only L1 user txs can have batch_num set to null
1293		`SELECT tx.id, tx.to_forge_l1_txs_num, tx.position, tx.user_origin,
1294		tx.from_idx, tx.from_eth_addr, tx.from_bjj, tx.to_idx, tx.token_id,
1295		tx.amount, NULL AS effective_amount,
1296		tx.deposit_amount, NULL AS effective_deposit_amount,
1297		tx.eth_block_num, tx.type, tx.batch_num
1298		FROM tx WHERE batch_num IS NULL AND to_forge_l1_txs_num = $1
1299		ORDER BY position;`,
1300		toForgeL1TxsNum,
1301	)
1302	return db.SlicePtrsToSlice(txs).([]common.L1Tx), tracerr.Wrap(err)
1303}
1304
1305// TODO: Think about chaning all the queries that return a last value, to queries that return the next valid value.
1306
1307// GetLastTxsPosition for a given to_forge_l1_txs_num
1308func (hdb *HistoryDB) GetLastTxsPosition(toForgeL1TxsNum int64) (int, error) {
1309	row := hdb.db.QueryRow(
1310		"SELECT position FROM tx WHERE to_forge_l1_txs_num = $1 ORDER BY position DESC;",
1311		toForgeL1TxsNum,
1312	)
1313	var lastL1TxsPosition int
1314	return lastL1TxsPosition, tracerr.Wrap(row.Scan(&lastL1TxsPosition))
1315}
1316
1317// GetSCVars returns the rollup, auction and wdelayer smart contracts variables at their last update.
1318func (hdb *HistoryDB) GetSCVars() (*common.RollupVariables, *common.AuctionVariables,
1319	*common.WDelayerVariables, error) {
1320	var rollup common.RollupVariables
1321	var auction common.AuctionVariables
1322	var wDelayer common.WDelayerVariables
1323	if err := meddler.QueryRow(hdb.db, &rollup,
1324		"SELECT * FROM rollup_vars ORDER BY eth_block_num DESC LIMIT 1;"); err != nil {
1325		return nil, nil, nil, tracerr.Wrap(err)
1326	}
1327	if err := meddler.QueryRow(hdb.db, &auction,
1328		"SELECT * FROM auction_vars ORDER BY eth_block_num DESC LIMIT 1;"); err != nil {
1329		return nil, nil, nil, tracerr.Wrap(err)
1330	}
1331	if err := meddler.QueryRow(hdb.db, &wDelayer,
1332		"SELECT * FROM wdelayer_vars ORDER BY eth_block_num DESC LIMIT 1;"); err != nil {
1333		return nil, nil, nil, tracerr.Wrap(err)
1334	}
1335	return &rollup, &auction, &wDelayer, nil
1336}
1337
1338func (hdb *HistoryDB) setRollupVars(d meddler.DB, rollup *common.RollupVariables) error {
1339	return tracerr.Wrap(meddler.Insert(d, "rollup_vars", rollup))
1340}
1341
1342func (hdb *HistoryDB) setAuctionVars(d meddler.DB, auction *common.AuctionVariables) error {
1343	return tracerr.Wrap(meddler.Insert(d, "auction_vars", auction))
1344}
1345
1346func (hdb *HistoryDB) setWDelayerVars(d meddler.DB, wDelayer *common.WDelayerVariables) error {
1347	return tracerr.Wrap(meddler.Insert(d, "wdelayer_vars", wDelayer))
1348}
1349
1350func (hdb *HistoryDB) addBucketUpdates(d meddler.DB, bucketUpdates []common.BucketUpdate) error {
1351	if len(bucketUpdates) == 0 {
1352		return nil
1353	}
1354	return tracerr.Wrap(db.BulkInsert(
1355		d,
1356		`INSERT INTO bucket_update (
1357		 	eth_block_num,
1358		 	num_bucket,
1359		 	block_stamp,
1360		 	withdrawals
1361		) VALUES %s;`,
1362		bucketUpdates[:],
1363	))
1364}
1365
1366// AddBucketUpdatesTest allows call to unexported method
1367// only for internal testing purposes
1368func (hdb *HistoryDB) AddBucketUpdatesTest(d meddler.DB, bucketUpdates []common.BucketUpdate) error {
1369	return hdb.addBucketUpdates(d, bucketUpdates)
1370}
1371
1372// GetAllBucketUpdates retrieves all the bucket updates
1373func (hdb *HistoryDB) GetAllBucketUpdates() ([]common.BucketUpdate, error) {
1374	var bucketUpdates []*common.BucketUpdate
1375	err := meddler.QueryAll(
1376		hdb.db, &bucketUpdates,
1377		`SELECT eth_block_num, num_bucket, block_stamp, withdrawals  
1378		FROM bucket_update ORDER BY item_id;`,
1379	)
1380	return db.SlicePtrsToSlice(bucketUpdates).([]common.BucketUpdate), tracerr.Wrap(err)
1381}
1382
1383// GetBucketUpdates retrieves latest values for each bucket
1384func (hdb *HistoryDB) GetBucketUpdates() ([]BucketUpdateAPI, error) {
1385	var bucketUpdates []*BucketUpdateAPI
1386	err := meddler.QueryAll(
1387		hdb.db, &bucketUpdates,
1388		`SELECT num_bucket, withdrawals FROM bucket_update 
1389		WHERE item_id in(SELECT max(item_id) FROM bucket_update 
1390		group by num_bucket) 
1391		ORDER BY num_bucket ASC;`,
1392	)
1393	return db.SlicePtrsToSlice(bucketUpdates).([]BucketUpdateAPI), tracerr.Wrap(err)
1394}
1395
1396func (hdb *HistoryDB) addTokenExchanges(d meddler.DB, tokenExchanges []common.TokenExchange) error {
1397	if len(tokenExchanges) == 0 {
1398		return nil
1399	}
1400	return tracerr.Wrap(db.BulkInsert(
1401		d,
1402		`INSERT INTO token_exchange (
1403			eth_block_num,
1404    			eth_addr,
1405    			value_usd
1406		) VALUES %s;`,
1407		tokenExchanges[:],
1408	))
1409}
1410
1411// GetAllTokenExchanges retrieves all the token exchanges
1412func (hdb *HistoryDB) GetAllTokenExchanges() ([]common.TokenExchange, error) {
1413	var tokenExchanges []*common.TokenExchange
1414	err := meddler.QueryAll(
1415		hdb.db, &tokenExchanges,
1416		"SELECT eth_block_num, eth_addr, value_usd FROM token_exchange ORDER BY item_id;",
1417	)
1418	return db.SlicePtrsToSlice(tokenExchanges).([]common.TokenExchange), tracerr.Wrap(err)
1419}
1420
1421func (hdb *HistoryDB) addEscapeHatchWithdrawals(d meddler.DB,
1422	escapeHatchWithdrawals []common.WDelayerEscapeHatchWithdrawal) error {
1423	if len(escapeHatchWithdrawals) == 0 {
1424		return nil
1425	}
1426	return tracerr.Wrap(db.BulkInsert(
1427		d,
1428		`INSERT INTO escape_hatch_withdrawal (
1429			eth_block_num,
1430			who_addr,
1431			to_addr,
1432			token_addr,
1433			amount
1434		) VALUES %s;`,
1435		escapeHatchWithdrawals[:],
1436	))
1437}
1438
1439// GetAllEscapeHatchWithdrawals retrieves all the escape hatch withdrawals
1440func (hdb *HistoryDB) GetAllEscapeHatchWithdrawals() ([]common.WDelayerEscapeHatchWithdrawal, error) {
1441	var escapeHatchWithdrawals []*common.WDelayerEscapeHatchWithdrawal
1442	err := meddler.QueryAll(
1443		hdb.db, &escapeHatchWithdrawals,
1444		"SELECT eth_block_num, who_addr, to_addr, token_addr, amount FROM escape_hatch_withdrawal ORDER BY item_id;",
1445	)
1446	return db.SlicePtrsToSlice(escapeHatchWithdrawals).([]common.WDelayerEscapeHatchWithdrawal),
1447		tracerr.Wrap(err)
1448}
1449
1450// SetInitialSCVars sets the initial state of rollup, auction, wdelayer smart
1451// contract variables.  This initial state is stored linked to block 0, which
1452// always exist in the DB and is used to store initialization data that always
1453// exist in the smart contracts.
1454func (hdb *HistoryDB) SetInitialSCVars(rollup *common.RollupVariables,
1455	auction *common.AuctionVariables, wDelayer *common.WDelayerVariables) error {
1456	txn, err := hdb.db.Beginx()
1457	if err != nil {
1458		return tracerr.Wrap(err)
1459	}
1460	defer func() {
1461		if err != nil {
1462			db.Rollback(txn)
1463		}
1464	}()
1465	// Force EthBlockNum to be 0 because it's the block used to link data
1466	// that belongs to the creation of the smart contracts
1467	rollup.EthBlockNum = 0
1468	auction.EthBlockNum = 0
1469	wDelayer.EthBlockNum = 0
1470	auction.DefaultSlotSetBidSlotNum = 0
1471	if err := hdb.setRollupVars(txn, rollup); err != nil {
1472		return tracerr.Wrap(err)
1473	}
1474	if err := hdb.setAuctionVars(txn, auction); err != nil {
1475		return tracerr.Wrap(err)
1476	}
1477	if err := hdb.setWDelayerVars(txn, wDelayer); err != nil {
1478		return tracerr.Wrap(err)
1479	}
1480
1481	return tracerr.Wrap(txn.Commit())
1482}
1483
1484// setExtraInfoForgedL1UserTxs sets the EffectiveAmount, EffectiveDepositAmount
1485// and EffectiveFromIdx of the given l1UserTxs (with an UPDATE)
1486func (hdb *HistoryDB) setExtraInfoForgedL1UserTxs(d sqlx.Ext, txs []common.L1Tx) error {
1487	if len(txs) == 0 {
1488		return nil
1489	}
1490	// Effective amounts are stored as success flags in the DB, with true value by default
1491	// to reduce the amount of updates. Therefore, only amounts that became uneffective should be
1492	// updated to become false.  At the same time, all the txs that contain
1493	// accounts (FromIdx == 0) are updated to set the EffectiveFromIdx.
1494	type txUpdate struct {
1495		ID                   common.TxID `db:"id"`
1496		AmountSuccess        bool        `db:"amount_success"`
1497		DepositAmountSuccess bool        `db:"deposit_amount_success"`
1498		EffectiveFromIdx     common.Idx  `db:"effective_from_idx"`
1499	}
1500	txUpdates := []txUpdate{}
1501	equal := func(a *big.Int, b *big.Int) bool {
1502		return a.Cmp(b) == 0
1503	}
1504	for i := range txs {
1505		amountSuccess := equal(txs[i].Amount, txs[i].EffectiveAmount)
1506		depositAmountSuccess := equal(txs[i].DepositAmount, txs[i].EffectiveDepositAmount)
1507		if !amountSuccess || !depositAmountSuccess || txs[i].FromIdx == 0 {
1508			txUpdates = append(txUpdates, txUpdate{
1509				ID:                   txs[i].TxID,
1510				AmountSuccess:        amountSuccess,
1511				DepositAmountSuccess: depositAmountSuccess,
1512				EffectiveFromIdx:     txs[i].EffectiveFromIdx,
1513			})
1514		}
1515	}
1516	const query string = `
1517		UPDATE tx SET
1518			amount_success = tx_update.amount_success,
1519			deposit_amount_success = tx_update.deposit_amount_success,
1520			effective_from_idx = tx_update.effective_from_idx
1521		FROM (VALUES
1522			(NULL::::BYTEA, NULL::::BOOL, NULL::::BOOL, NULL::::BIGINT),
1523			(:id, :amount_success, :deposit_amount_success, :effective_from_idx)
1524		) as tx_update (id, amount_success, deposit_amount_success, effective_from_idx)
1525		WHERE tx.id = tx_update.id;
1526	`
1527	if len(txUpdates) > 0 {
1528		if _, err := sqlx.NamedExec(d, query, txUpdates); err != nil {
1529			return tracerr.Wrap(err)
1530		}
1531	}
1532	return nil
1533}
1534
1535// AddBlockSCData stores all the information of a block retrieved by the
1536// Synchronizer.  Blocks should be inserted in order, leaving no gaps because
1537// the pagination system of the API/DB depends on this.  Within blocks, all
1538// items should also be in the correct order (Accounts, Tokens, Txs, etc.)
1539func (hdb *HistoryDB) AddBlockSCData(blockData *common.BlockData) (err error) {
1540	txn, err := hdb.db.Beginx()
1541	if err != nil {
1542		return tracerr.Wrap(err)
1543	}
1544	defer func() {
1545		if err != nil {
1546			db.Rollback(txn)
1547		}
1548	}()
1549
1550	// Add block
1551	if err := hdb.addBlock(txn, &blockData.Block); err != nil {
1552		return tracerr.Wrap(err)
1553	}
1554
1555	// Add Coordinators
1556	if err := hdb.addCoordinators(txn, blockData.Auction.Coordinators); err != nil {
1557		return tracerr.Wrap(err)
1558	}
1559
1560	// Add Bids
1561	if err := hdb.addBids(txn, blockData.Auction.Bids); err != nil {
1562		return tracerr.Wrap(err)
1563	}
1564
1565	// Add Tokens
1566	if err := hdb.addTokens(txn, blockData.Rollup.AddedTokens); err != nil {
1567		return tracerr.Wrap(err)
1568	}
1569
1570	// Prepare user L1 txs to be added.
1571	// They must be added before the batch that will forge them (which can be in the same block)
1572	// and after the account that will be sent to (also can be in the same block).
1573	// Note: insert order is not relevant since item_id will be updated by a DB trigger when
1574	// the batch that forges those txs is inserted
1575	userL1s := make(map[common.BatchNum][]common.L1Tx)
1576	for i := range blockData.Rollup.L1UserTxs {
1577		batchThatForgesIsInTheBlock := false
1578		for _, batch := range blockData.Rollup.Batches {
1579			if batch.Batch.ForgeL1TxsNum != nil &&
1580				*batch.Batch.ForgeL1TxsNum == *blockData.Rollup.L1UserTxs[i].ToForgeL1TxsNum {
1581				// Tx is forged in this block. It's guaranteed that:
1582				// * the first batch of the block won't forge user L1 txs that have been added in this block
1583				// * batch nums are sequential therefore it's safe to add the tx at batch.BatchNum -1
1584				batchThatForgesIsInTheBlock = true
1585				addAtBatchNum := batch.Batch.BatchNum - 1
1586				userL1s[addAtBatchNum] = append(userL1s[addAtBatchNum], blockData.Rollup.L1UserTxs[i])
1587				break
1588			}
1589		}
1590		if !batchThatForgesIsInTheBlock {
1591			// User artificial batchNum 0 to add txs that are not forge in this block
1592			// after all the accounts of the block have been added
1593			userL1s[0] = append(userL1s[0], blockData.Rollup.L1UserTxs[i])
1594		}
1595	}
1596
1597	// Add Batches
1598	for i := range blockData.Rollup.Batches {
1599		batch := &blockData.Rollup.Batches[i]
1600
1601		// Add Batch: this will trigger an update on the DB
1602		// that will set the batch num of forged L1 txs in this batch
1603		if err = hdb.addBatch(txn, &batch.Batch); err != nil {
1604			return tracerr.Wrap(err)
1605		}
1606
1607		// Add accounts
1608		if err := hdb.addAccounts(txn, batch.CreatedAccounts); err != nil {
1609			return tracerr.Wrap(err)
1610		}
1611
1612		// Set the EffectiveAmount and EffectiveDepositAmount of all the
1613		// L1UserTxs that have been forged in this batch
1614		if err = hdb.setExtraInfoForgedL1UserTxs(txn, batch.L1UserTxs); err != nil {
1615			return tracerr.Wrap(err)
1616		}
1617
1618		// Add forged l1 coordinator Txs
1619		if err := hdb.addL1Txs(txn, batch.L1CoordinatorTxs); err != nil {
1620			return tracerr.Wrap(err)
1621		}
1622
1623		// Add l2 Txs
1624		if err := hdb.addL2Txs(txn, batch.L2Txs); err != nil {
1625			return tracerr.Wrap(err)
1626		}
1627
1628		// Add user L1 txs that will be forged in next batch
1629		if userlL1s, ok := userL1s[batch.Batch.BatchNum]; ok {
1630			if err := hdb.addL1Txs(txn, userlL1s); err != nil {
1631				return tracerr.Wrap(err)
1632			}
1633		}
1634
1635		// Add exit tree
1636		if err := hdb.addExitTree(txn, batch.ExitTree); err != nil {
1637			return tracerr.Wrap(err)
1638		}
1639	}
1640	// Add user L1 txs that won't be forged in this block
1641	if userL1sNotForgedInThisBlock, ok := userL1s[0]; ok {
1642		if err := hdb.addL1Txs(txn, userL1sNotForgedInThisBlock); err != nil {
1643			return tracerr.Wrap(err)
1644		}
1645	}
1646
1647	// Set SC Vars if there was an update
1648	if blockData.Rollup.Vars != nil {
1649		if err := hdb.setRollupVars(txn, blockData.Rollup.Vars); err != nil {
1650			return tracerr.Wrap(err)
1651		}
1652	}
1653	if blockData.Auction.Vars != nil {
1654		if err := hdb.setAuctionVars(txn, blockData.Auction.Vars); err != nil {
1655			return tracerr.Wrap(err)
1656		}
1657	}
1658	if blockData.WDelayer.Vars != nil {
1659		if err := hdb.setWDelayerVars(txn, blockData.WDelayer.Vars); err != nil {
1660			return tracerr.Wrap(err)
1661		}
1662	}
1663
1664	// Update withdrawals in exit tree table
1665	if err := hdb.updateExitTree(txn, blockData.Block.Num,
1666		blockData.Rollup.Withdrawals, blockData.WDelayer.Withdrawals); err != nil {
1667		return tracerr.Wrap(err)
1668	}
1669
1670	// Add Escape Hatch Withdrawals
1671	if err := hdb.addEscapeHatchWithdrawals(txn,
1672		blockData.WDelayer.EscapeHatchWithdrawals); err != nil {
1673		return tracerr.Wrap(err)
1674	}
1675
1676	// Add Buckets withdrawals updates
1677	if err := hdb.addBucketUpdates(txn, blockData.Rollup.UpdateBucketWithdraw); err != nil {
1678		return tracerr.Wrap(err)
1679	}
1680
1681	// Add Token exchange updates
1682	if err := hdb.addTokenExchanges(txn, blockData.Rollup.TokenExchanges); err != nil {
1683		return tracerr.Wrap(err)
1684	}
1685
1686	return tracerr.Wrap(txn.Commit())
1687}
1688
1689// GetCoordinatorAPI returns a coordinator by its bidderAddr
1690func (hdb *HistoryDB) GetCoordinatorAPI(bidderAddr ethCommon.Address) (*CoordinatorAPI, error) {
1691	coordinator := &CoordinatorAPI{}
1692	err := meddler.QueryRow(
1693		hdb.db, coordinator,
1694		"SELECT * FROM coordinator WHERE bidder_addr = $1 ORDER BY item_id DESC LIMIT 1;",
1695		bidderAddr,
1696	)
1697	return coordinator, tracerr.Wrap(err)
1698}
1699
1700// GetCoordinatorsAPI returns a list of coordinators from the DB and pagination info
1701func (hdb *HistoryDB) GetCoordinatorsAPI(
1702	bidderAddr, forgerAddr *ethCommon.Address,
1703	fromItem, limit *uint, order string,
1704) ([]CoordinatorAPI, uint64, error) {
1705	var query string
1706	var args []interface{}
1707	queryStr := `SELECT coordinator.*, COUNT(*) OVER() AS total_items
1708	FROM coordinator INNER JOIN (
1709		SELECT MAX(item_id) AS item_id FROM coordinator
1710		GROUP BY bidder_addr
1711	) c ON coordinator.item_id = c.item_id `
1712	// Apply filters
1713	nextIsAnd := false
1714	if bidderAddr != nil {
1715		queryStr += "WHERE bidder_addr = ? "
1716		nextIsAnd = true
1717		args = append(args, bidderAddr)
1718	}
1719	if forgerAddr != nil {
1720		if nextIsAnd {
1721			queryStr += "AND "
1722		} else {
1723			queryStr += "WHERE "
1724		}
1725		queryStr += "forger_addr = ? "
1726		nextIsAnd = true
1727		args = append(args, forgerAddr)
1728	}
1729	if fromItem != nil {
1730		if nextIsAnd {
1731			queryStr += "AND "
1732		} else {
1733			queryStr += "WHERE "
1734		}
1735		if order == OrderAsc {
1736			queryStr += "coordinator.item_id >= ? "
1737		} else {
1738			queryStr += "coordinator.item_id <= ? "
1739		}
1740		args = append(args, fromItem)
1741	}
1742	// pagination
1743	queryStr += "ORDER BY coordinator.item_id "
1744	if order == OrderAsc {
1745		queryStr += " ASC "
1746	} else {
1747		queryStr += " DESC "
1748	}
1749	queryStr += fmt.Sprintf("LIMIT %d;", *limit)
1750	query = hdb.db.Rebind(queryStr)
1751
1752	coordinators := []*CoordinatorAPI{}
1753	if err := meddler.QueryAll(hdb.db, &coordinators, query, args...); err != nil {
1754		return nil, 0, tracerr.Wrap(err)
1755	}
1756	if len(coordinators) == 0 {
1757		return []CoordinatorAPI{}, 0, nil
1758	}
1759	return db.SlicePtrsToSlice(coordinators).([]CoordinatorAPI),
1760		coordinators[0].TotalItems - uint64(len(coordinators)), nil
1761}
1762
1763// AddAuctionVars insert auction vars into the DB
1764func (hdb *HistoryDB) AddAuctionVars(auctionVars *common.AuctionVariables) error {
1765	return tracerr.Wrap(meddler.Insert(hdb.db, "auction_vars", auctionVars))
1766}
1767
1768// GetAuctionVars returns auction variables
1769func (hdb *HistoryDB) GetAuctionVars() (*common.AuctionVariables, error) {
1770	auctionVars := &common.AuctionVariables{}
1771	err := meddler.QueryRow(
1772		hdb.db, auctionVars, `SELECT * FROM auction_vars;`,
1773	)
1774	return auctionVars, tracerr.Wrap(err)
1775}
1776
1777// GetAuctionVarsUntilSetSlotNum returns all the updates of the auction vars
1778// from the last entry in which DefaultSlotSetBidSlotNum <= slotNum
1779func (hdb *HistoryDB) GetAuctionVarsUntilSetSlotNum(slotNum int64, maxItems int) ([]MinBidInfo, error) {
1780	auctionVars := []*MinBidInfo{}
1781	query := `
1782		SELECT DISTINCT default_slot_set_bid, default_slot_set_bid_slot_num FROM auction_vars
1783		WHERE default_slot_set_bid_slot_num < $1
1784		ORDER BY default_slot_set_bid_slot_num DESC
1785		LIMIT $2;
1786	`
1787	err := meddler.QueryAll(hdb.db, &auctionVars, query, slotNum, maxItems)
1788	if err != nil {
1789		return nil, tracerr.Wrap(err)
1790	}
1791	return db.SlicePtrsToSlice(auctionVars).([]MinBidInfo), nil
1792}
1793
1794// GetAccountAPI returns an account by its index
1795func (hdb *HistoryDB) GetAccountAPI(idx common.Idx) (*AccountAPI, error) {
1796	account := &AccountAPI{}
1797	err := meddler.QueryRow(hdb.db, account, `SELECT account.item_id, hez_idx(account.idx, 
1798	token.symbol) as idx, account.batch_num, account.bjj, account.eth_addr,
1799	token.token_id, token.item_id AS token_item_id, token.eth_block_num AS token_block,
1800	token.eth_addr as token_eth_addr, token.name, token.symbol, token.decimals, token.usd, token.usd_update 
1801	FROM account INNER JOIN token ON account.token_id = token.token_id WHERE idx = $1;`, idx)
1802
1803	if err != nil {
1804		return nil, tracerr.Wrap(err)
1805	}
1806
1807	return account, nil
1808}
1809
1810// GetAccountsAPI returns a list of accounts from the DB and pagination info
1811func (hdb *HistoryDB) GetAccountsAPI(
1812	tokenIDs []common.TokenID, ethAddr *ethCommon.Address,
1813	bjj *babyjub.PublicKeyComp, fromItem, limit *uint, order string,
1814) ([]AccountAPI, uint64, error) {
1815	if ethAddr != nil && bjj != nil {
1816		return nil, 0, tracerr.Wrap(errors.New("ethAddr and bjj are incompatible"))
1817	}
1818	var query string
1819	var args []interface{}
1820	queryStr := `SELECT account.item_id, hez_idx(account.idx, token.symbol) as idx, account.batch_num, 
1821	account.bjj, account.eth_addr, token.token_id, token.item_id AS token_item_id, token.eth_block_num AS token_block,
1822	token.eth_addr as token_eth_addr, token.name, token.symbol, token.decimals, token.usd, token.usd_update, 
1823	COUNT(*) OVER() AS total_items
1824	FROM account INNER JOIN token ON account.token_id = token.token_id `
1825	// Apply filters
1826	nextIsAnd := false
1827	// ethAddr filter
1828	if ethAddr != nil {
1829		queryStr += "WHERE account.eth_addr = ? "
1830		nextIsAnd = true
1831		args = append(args, ethAddr)
1832	} else if bjj != nil { // bjj filter
1833		queryStr += "WHERE account.bjj = ? "
1834		nextIsAnd = true
1835		args = append(args, bjj)
1836	}
1837	// tokenID filter
1838	if len(tokenIDs) > 0 {
1839		if nextIsAnd {
1840			queryStr += "AND "
1841		} else {
1842			queryStr += "WHERE "
1843		}
1844		queryStr += "account.token_id IN (?) "
1845		args = append(args, tokenIDs)
1846		nextIsAnd = true
1847	}
1848	if fromItem != nil {
1849		if nextIsAnd {
1850			queryStr += "AND "
1851		} else {
1852			queryStr += "WHERE "
1853		}
1854		if order == OrderAsc {
1855			queryStr += "account.item_id >= ? "
1856		} else {
1857			queryStr += "account.item_id <= ? "
1858		}
1859		args = append(args, fromItem)
1860	}
1861	// pagination
1862	queryStr += "ORDER BY account.item_id "
1863	if order == OrderAsc {
1864		queryStr += " ASC "
1865	} else {
1866		queryStr += " DESC "
1867	}
1868	queryStr += fmt.Sprintf("LIMIT %d;", *limit)
1869	query, argsQ, err := sqlx.In(queryStr, args...)
1870	if err != nil {
1871		return nil, 0, tracerr.Wrap(err)
1872	}
1873	query = hdb.db.Rebind(query)
1874
1875	accounts := []*AccountAPI{}
1876	if err := meddler.QueryAll(hdb.db, &accounts, query, argsQ...); err != nil {
1877		return nil, 0, tracerr.Wrap(err)
1878	}
1879	if len(accounts) == 0 {
1880		return []AccountAPI{}, 0, nil
1881	}
1882
1883	return db.SlicePtrsToSlice(accounts).([]AccountAPI),
1884		accounts[0].TotalItems - uint64(len(accounts)), nil
1885}
1886
1887// GetMetrics returns metrics
1888func (hdb *HistoryDB) GetMetrics(lastBatchNum common.BatchNum) (*Metrics, error) {
1889	metricsTotals := &MetricsTotals{}
1890	metrics := &Metrics{}
1891	err := meddler.QueryRow(
1892		hdb.db, metricsTotals, `SELECT COUNT(tx.*) as total_txs,
1893		COALESCE (MIN(tx.batch_num), 0) as batch_num, COALESCE (MIN(block.timestamp), 
1894		NOW()) AS min_timestamp, COALESCE (MAX(block.timestamp), NOW()) AS max_timestamp
1895		FROM tx INNER JOIN block ON tx.eth_block_num = block.eth_block_num
1896		WHERE block.timestamp >= NOW() - INTERVAL '24 HOURS';`)
1897	if err != nil {
1898		return nil, tracerr.Wrap(err)
1899	}
1900
1901	seconds := metricsTotals.MaxTimestamp.Sub(metricsTotals.MinTimestamp).Seconds()
1902	// Avoid dividing by 0
1903	if seconds == 0 {
1904		seconds++
1905	}
1906
1907	metrics.TransactionsPerSecond = float64(metricsTotals.TotalTransactions) / seconds
1908
1909	if (lastBatchNum - metricsTotals.FirstBatchNum) > 0 {
1910		metrics.TransactionsPerBatch = float64(metricsTotals.TotalTransactions) /
1911			float64(lastBatchNum-metricsTotals.FirstBatchNum+1)
1912	} else {
1913		metrics.TransactionsPerBatch = float64(0)
1914	}
1915
1916	err = meddler.QueryRow(
1917		hdb.db, metricsTotals, `SELECT COUNT(*) AS total_batches, 
1918		COALESCE (SUM(total_fees_usd), 0) AS total_fees FROM batch 
1919		WHERE batch_num > $1;`, metricsTotals.FirstBatchNum)
1920	if err != nil {
1921		return nil, tracerr.Wrap(err)
1922	}
1923	if metricsTotals.TotalBatches > 0 {
1924		metrics.BatchFrequency = seconds / float64(metricsTotals.TotalBatches)
1925	} else {
1926		metrics.BatchFrequency = 0
1927	}
1928	if metricsTotals.TotalTransactions > 0 {
1929		metrics.AvgTransactionFee = metricsTotals.TotalFeesUSD / float64(metricsTotals.TotalTransactions)
1930	} else {
1931		metrics.AvgTransactionFee = 0
1932	}
1933	err = meddler.QueryRow(
1934		hdb.db, metrics,
1935		`SELECT COUNT(*) AS total_bjjs, COUNT(DISTINCT(bjj)) AS total_accounts FROM account;`)
1936	if err != nil {
1937		return nil, tracerr.Wrap(err)
1938	}
1939
1940	return metrics, nil
1941}
1942
1943// GetAvgTxFee returns average transaction fee of the last 1h
1944func (hdb *HistoryDB) GetAvgTxFee() (float64, error) {
1945	metricsTotals := &MetricsTotals{}
1946	err := meddler.QueryRow(
1947		hdb.db, metricsTotals, `SELECT COUNT(tx.*) as total_txs, 
1948		COALESCE (MIN(tx.batch_num), 0) as batch_num 
1949		FROM tx INNER JOIN block ON tx.eth_block_num = block.eth_block_num
1950		WHERE block.timestamp >= NOW() - INTERVAL '1 HOURS';`)
1951	if err != nil {
1952		return 0, tracerr.Wrap(err)
1953	}
1954	err = meddler.QueryRow(
1955		hdb.db, metricsTotals, `SELECT COUNT(*) AS total_batches, 
1956		COALESCE (SUM(total_fees_usd), 0) AS total_fees FROM batch 
1957		WHERE batch_num > $1;`, metricsTotals.FirstBatchNum)
1958	if err != nil {
1959		return 0, tracerr.Wrap(err)
1960	}
1961
1962	var avgTransactionFee float64
1963	if metricsTotals.TotalTransactions > 0 {
1964		avgTransactionFee = metricsTotals.TotalFeesUSD / float64(metricsTotals.TotalTransactions)
1965	} else {
1966		avgTransactionFee = 0
1967	}
1968
1969	return avgTransactionFee, nil
1970}