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Merge pull request #268 from hermeznetwork/feature/wrapped-in-struct

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Refactor api pagination
This commit is contained in:
Eduard S
2020-11-09 15:32:28 +01:00
committed by GitHub
parent a473070f65 d2e9196fba
commit 8190755d49
20 changed files with 257 additions and 359 deletions
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153
db/historydb/historydb.go
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@@ -181,12 +181,11 @@ func (hdb *HistoryDB) GetBatchesAPI(
minBatchNum, maxBatchNum, slotNum *uint,
forgerAddr *ethCommon.Address,
fromItem, limit *uint, order string,
) ([]BatchAPI, *db.Pagination, error) {
) ([]BatchAPI, uint64, error) {
var query string
var args []interface{}
queryStr := `SELECT batch.*, block.timestamp, block.hash,
count(*) OVER() AS total_items, MIN(batch.item_id) OVER() AS first_item,
MAX(batch.item_id) OVER() AS last_item
count(*) OVER() AS total_items
FROM batch INNER JOIN block ON batch.eth_block_num = block.eth_block_num `
// Apply filters
nextIsAnd := false
@@ -259,17 +258,13 @@ func (hdb *HistoryDB) GetBatchesAPI(
// log.Debug(query)
batchPtrs := []*BatchAPI{}
if err := meddler.QueryAll(hdb.db, &batchPtrs, query, args...); err != nil {
return nil, nil, err
return nil, 0, err
}
batches := db.SlicePtrsToSlice(batchPtrs).([]BatchAPI)
if len(batches) == 0 {
return nil, nil, sql.ErrNoRows
return nil, 0, sql.ErrNoRows
}
return batches, &db.Pagination{
TotalItems: batches[0].TotalItems,
FirstItem: batches[0].FirstItem,
LastItem: batches[0].LastItem,
}, nil
return batches, batches[0].TotalItems - uint64(len(batches)), nil
}
// GetAllBatches retrieve all batches from the DB
@@ -367,12 +362,15 @@ func (hdb *HistoryDB) GetBestBidAPI(slotNum *int64) (BidAPI, error) {
}
// GetBestBidsAPI returns the best bid in specific slot by slotNum
func (hdb *HistoryDB) GetBestBidsAPI(minSlotNum, maxSlotNum *int64, bidderAddr *ethCommon.Address, limit *uint, order string) ([]BidAPI, *db.Pagination, error) {
func (hdb *HistoryDB) GetBestBidsAPI(
minSlotNum, maxSlotNum *int64,
bidderAddr *ethCommon.Address,
limit *uint, order string,
) ([]BidAPI, uint64, error) {
var query string
var args []interface{}
queryStr := `SELECT b.*, block.timestamp, coordinator.forger_addr, coordinator.url,
COUNT(*) OVER() AS total_items, MIN(b.slot_num) OVER() AS first_item,
MAX(b.slot_num) OVER() AS last_item FROM (
COUNT(*) OVER() AS total_items FROM (
SELECT slot_num, MAX(item_id) as maxitem
FROM bid GROUP BY slot_num
)
@@ -399,28 +397,26 @@ func (hdb *HistoryDB) GetBestBidsAPI(minSlotNum, maxSlotNum *int64, bidderAddr *
query = hdb.db.Rebind(queryStr)
bidPtrs := []*BidAPI{}
if err := meddler.QueryAll(hdb.db, &bidPtrs, query, args...); err != nil {
return nil, nil, err
return nil, 0, err
}
// log.Debug(query)
bids := db.SlicePtrsToSlice(bidPtrs).([]BidAPI)
if len(bids) == 0 {
return nil, nil, sql.ErrNoRows
return nil, 0, sql.ErrNoRows
}
return bids, &db.Pagination{
TotalItems: bids[0].TotalItems,
FirstItem: bids[0].FirstItem,
LastItem: bids[0].LastItem,
}, nil
return bids, bids[0].TotalItems - uint64(len(bids)), nil
}
// GetBidsAPI return the bids applying the given filters
func (hdb *HistoryDB) GetBidsAPI(slotNum *int64, forgerAddr *ethCommon.Address, fromItem, limit *uint, order string) ([]BidAPI, *db.Pagination, error) {
func (hdb *HistoryDB) GetBidsAPI(
slotNum *int64, forgerAddr *ethCommon.Address,
fromItem, limit *uint, order string,
) ([]BidAPI, uint64, error) {
var query string
var args []interface{}
queryStr := `SELECT bid.*, block.timestamp, coordinator.forger_addr, coordinator.url,
COUNT(*) OVER() AS total_items, MIN(bid.item_id) OVER() AS first_item,
MAX(bid.item_id) OVER() AS last_item FROM bid
INNER JOIN block ON bid.eth_block_num = block.eth_block_num
COUNT(*) OVER() AS total_items
FROM bid INNER JOIN block ON bid.eth_block_num = block.eth_block_num
INNER JOIN coordinator ON bid.bidder_addr = coordinator.bidder_addr `
// Apply filters
nextIsAnd := false
@@ -469,21 +465,17 @@ func (hdb *HistoryDB) GetBidsAPI(slotNum *int64, forgerAddr *ethCommon.Address,
queryStr += fmt.Sprintf("LIMIT %d;", *limit)
query, argsQ, err := sqlx.In(queryStr, args...)
if err != nil {
return nil, nil, err
return nil, 0, err
}
query = hdb.db.Rebind(query)
bids := []*BidAPI{}
if err := meddler.QueryAll(hdb.db, &bids, query, argsQ...); err != nil {
return nil, nil, err
return nil, 0, err
}
if len(bids) == 0 {
return nil, nil, sql.ErrNoRows
return nil, 0, sql.ErrNoRows
}
return db.SlicePtrsToSlice(bids).([]BidAPI), &db.Pagination{
TotalItems: bids[0].TotalItems,
FirstItem: bids[0].FirstItem,
LastItem: bids[0].LastItem,
}, nil
return db.SlicePtrsToSlice(bids).([]BidAPI), bids[0].TotalItems - uint64(len(bids)), nil
}
// AddCoordinators insert Coordinators into the DB
@@ -562,10 +554,13 @@ func (hdb *HistoryDB) GetAllTokens() ([]TokenWithUSD, error) {
}
// GetTokens returns a list of tokens from the DB
func (hdb *HistoryDB) GetTokens(ids []common.TokenID, symbols []string, name string, fromItem, limit *uint, order string) ([]TokenWithUSD, *db.Pagination, error) {
func (hdb *HistoryDB) GetTokens(
ids []common.TokenID, symbols []string, name string, fromItem,
limit *uint, order string,
) ([]TokenWithUSD, uint64, error) {
var query string
var args []interface{}
queryStr := `SELECT * , COUNT(*) OVER() AS total_items, MIN(token.item_id) OVER() AS first_item, MAX(token.item_id) OVER() AS last_item FROM token `
queryStr := `SELECT * , COUNT(*) OVER() AS total_items FROM token `
// Apply filters
nextIsAnd := false
if len(ids) > 0 {
@@ -616,21 +611,17 @@ func (hdb *HistoryDB) GetTokens(ids []common.TokenID, symbols []string, name str
queryStr += fmt.Sprintf("LIMIT %d;", *limit)
query, argsQ, err := sqlx.In(queryStr, args...)
if err != nil {
return nil, nil, err
return nil, 0, err
}
query = hdb.db.Rebind(query)
tokens := []*TokenWithUSD{}
if err := meddler.QueryAll(hdb.db, &tokens, query, argsQ...); err != nil {
return nil, nil, err
return nil, 0, err
}
if len(tokens) == 0 {
return nil, nil, sql.ErrNoRows
return nil, 0, sql.ErrNoRows
}
return db.SlicePtrsToSlice(tokens).([]TokenWithUSD), &db.Pagination{
TotalItems: tokens[0].TotalItems,
FirstItem: tokens[0].FirstItem,
LastItem: tokens[0].LastItem,
}, nil
return db.SlicePtrsToSlice(tokens).([]TokenWithUSD), uint64(len(tokens)) - tokens[0].TotalItems, nil
}
// GetTokenSymbols returns all the token symbols from the DB
@@ -813,9 +804,9 @@ func (hdb *HistoryDB) GetHistoryTxs(
ethAddr *ethCommon.Address, bjj *babyjub.PublicKey,
tokenID *common.TokenID, idx *common.Idx, batchNum *uint, txType *common.TxType,
fromItem, limit *uint, order string,
) ([]TxAPI, *db.Pagination, error) {
) ([]TxAPI, uint64, error) {
if ethAddr != nil && bjj != nil {
return nil, nil, errors.New("ethAddr and bjj are incompatible")
return nil, 0, errors.New("ethAddr and bjj are incompatible")
}
var query string
var args []interface{}
@@ -827,8 +818,7 @@ func (hdb *HistoryDB) GetHistoryTxs(
tx.load_amount, tx.load_amount_usd, tx.fee, tx.fee_usd, tx.nonce,
token.token_id, token.item_id AS token_item_id, token.eth_block_num AS token_block,
token.eth_addr, token.name, token.symbol, token.decimals, token.usd,
token.usd_update, block.timestamp, count(*) OVER() AS total_items,
MIN(tx.item_id) OVER() AS first_item, MAX(tx.item_id) OVER() AS last_item
token.usd_update, block.timestamp, count(*) OVER() AS total_items
FROM tx INNER JOIN token ON tx.token_id = token.token_id
INNER JOIN block ON tx.eth_block_num = block.eth_block_num `
// Apply filters
@@ -924,17 +914,13 @@ func (hdb *HistoryDB) GetHistoryTxs(
// log.Debug(query)
txsPtrs := []*TxAPI{}
if err := meddler.QueryAll(hdb.db, &txsPtrs, query, args...); err != nil {
return nil, nil, err
return nil, 0, err
}
txs := db.SlicePtrsToSlice(txsPtrs).([]TxAPI)
if len(txs) == 0 {
return nil, nil, sql.ErrNoRows
return nil, 0, sql.ErrNoRows
}
return txs, &db.Pagination{
TotalItems: txs[0].TotalItems,
FirstItem: txs[0].FirstItem,
LastItem: txs[0].LastItem,
}, nil
return txs, txs[0].TotalItems - uint64(len(txs)), nil
}
// GetAllExits returns all exit from the DB
@@ -972,9 +958,9 @@ func (hdb *HistoryDB) GetExitsAPI(
ethAddr *ethCommon.Address, bjj *babyjub.PublicKey, tokenID *common.TokenID,
idx *common.Idx, batchNum *uint, onlyPendingWithdraws *bool,
fromItem, limit *uint, order string,
) ([]ExitAPI, *db.Pagination, error) {
) ([]ExitAPI, uint64, error) {
if ethAddr != nil && bjj != nil {
return nil, nil, errors.New("ethAddr and bjj are incompatible")
return nil, 0, errors.New("ethAddr and bjj are incompatible")
}
var query string
var args []interface{}
@@ -984,8 +970,7 @@ func (hdb *HistoryDB) GetExitsAPI(
exit_tree.delayed_withdraw_request, exit_tree.delayed_withdrawn,
token.token_id, token.item_id AS token_item_id,
token.eth_block_num AS token_block, token.eth_addr, token.name, token.symbol,
token.decimals, token.usd, token.usd_update, COUNT(*) OVER() AS total_items,
MIN(exit_tree.item_id) OVER() AS first_item, MAX(exit_tree.item_id) OVER() AS last_item
token.decimals, token.usd, token.usd_update, COUNT(*) OVER() AS total_items
FROM exit_tree INNER JOIN account ON exit_tree.account_idx = account.idx
INNER JOIN token ON account.token_id = token.token_id `
// Apply filters
@@ -1071,16 +1056,12 @@ func (hdb *HistoryDB) GetExitsAPI(
// log.Debug(query)
exits := []*ExitAPI{}
if err := meddler.QueryAll(hdb.db, &exits, query, args...); err != nil {
return nil, nil, err
return nil, 0, err
}
if len(exits) == 0 {
return nil, nil, sql.ErrNoRows
return nil, 0, sql.ErrNoRows
}
return db.SlicePtrsToSlice(exits).([]ExitAPI), &db.Pagination{
TotalItems: exits[0].TotalItems,
FirstItem: exits[0].FirstItem,
LastItem: exits[0].LastItem,
}, nil
return db.SlicePtrsToSlice(exits).([]ExitAPI), exits[0].TotalItems - uint64(len(exits)), nil
}
// // GetTx returns a tx from the DB
@@ -1337,11 +1318,11 @@ func (hdb *HistoryDB) GetCoordinatorAPI(bidderAddr ethCommon.Address) (*Coordina
}
// GetCoordinatorsAPI returns a list of coordinators from the DB and pagination info
func (hdb *HistoryDB) GetCoordinatorsAPI(fromItem, limit *uint, order string) ([]CoordinatorAPI, *db.Pagination, error) {
func (hdb *HistoryDB) GetCoordinatorsAPI(fromItem, limit *uint, order string) ([]CoordinatorAPI, uint64, error) {
var query string
var args []interface{}
queryStr := `SELECT coordinator.*,
COUNT(*) OVER() AS total_items, MIN(coordinator.item_id) OVER() AS first_item, MAX(coordinator.item_id) OVER() AS last_item
COUNT(*) OVER() AS total_items
FROM coordinator `
// Apply filters
if fromItem != nil {
@@ -1365,16 +1346,13 @@ func (hdb *HistoryDB) GetCoordinatorsAPI(fromItem, limit *uint, order string) ([
coordinators := []*CoordinatorAPI{}
if err := meddler.QueryAll(hdb.db, &coordinators, query, args...); err != nil {
return nil, nil, err
return nil, 0, err
}
if len(coordinators) == 0 {
return nil, nil, sql.ErrNoRows
return nil, 0, sql.ErrNoRows
}
return db.SlicePtrsToSlice(coordinators).([]CoordinatorAPI), &db.Pagination{
TotalItems: coordinators[0].TotalItems,
FirstItem: coordinators[0].FirstItem,
LastItem: coordinators[0].LastItem,
}, nil
return db.SlicePtrsToSlice(coordinators).([]CoordinatorAPI),
coordinators[0].TotalItems - uint64(len(coordinators)), nil
}
// AddAuctionVars insert auction vars into the DB
@@ -1394,7 +1372,8 @@ func (hdb *HistoryDB) GetAuctionVars() (*common.AuctionVariables, error) {
// GetAccountAPI returns an account by its index
func (hdb *HistoryDB) GetAccountAPI(idx common.Idx) (*AccountAPI, error) {
account := &AccountAPI{}
err := meddler.QueryRow(hdb.db, account, `SELECT account.item_id, hez_idx(account.idx, token.symbol) as idx, account.batch_num, account.bjj, account.eth_addr,
err := meddler.QueryRow(hdb.db, account, `SELECT account.item_id, hez_idx(account.idx,
token.symbol) as idx, account.batch_num, account.bjj, account.eth_addr,
token.token_id, token.item_id AS token_item_id, token.eth_block_num AS token_block,
token.eth_addr as token_eth_addr, token.name, token.symbol, token.decimals, token.usd, token.usd_update
FROM account INNER JOIN token ON account.token_id = token.token_id WHERE idx = $1;`, idx)
@@ -1407,16 +1386,19 @@ func (hdb *HistoryDB) GetAccountAPI(idx common.Idx) (*AccountAPI, error) {
}
// GetAccountsAPI returns a list of accounts from the DB and pagination info
func (hdb *HistoryDB) GetAccountsAPI(tokenIDs []common.TokenID, ethAddr *ethCommon.Address, bjj *babyjub.PublicKey, fromItem, limit *uint, order string) ([]AccountAPI, *db.Pagination, error) {
func (hdb *HistoryDB) GetAccountsAPI(
tokenIDs []common.TokenID, ethAddr *ethCommon.Address,
bjj *babyjub.PublicKey, fromItem, limit *uint, order string,
) ([]AccountAPI, uint64, error) {
if ethAddr != nil && bjj != nil {
return nil, nil, errors.New("ethAddr and bjj are incompatible")
return nil, 0, errors.New("ethAddr and bjj are incompatible")
}
var query string
var args []interface{}
queryStr := `SELECT account.item_id, hez_idx(account.idx, token.symbol) as idx, account.batch_num, account.bjj, account.eth_addr,
token.token_id, token.item_id AS token_item_id, token.eth_block_num AS token_block,
queryStr := `SELECT account.item_id, hez_idx(account.idx, token.symbol) as idx, account.batch_num,
account.bjj, account.eth_addr, token.token_id, token.item_id AS token_item_id, token.eth_block_num AS token_block,
token.eth_addr as token_eth_addr, token.name, token.symbol, token.decimals, token.usd, token.usd_update,
COUNT(*) OVER() AS total_items, MIN(account.item_id) OVER() AS first_item, MAX(account.item_id) OVER() AS last_item
COUNT(*) OVER() AS total_items
FROM account INNER JOIN token ON account.token_id = token.token_id `
// Apply filters
nextIsAnd := false
@@ -1464,23 +1446,20 @@ func (hdb *HistoryDB) GetAccountsAPI(tokenIDs []common.TokenID, ethAddr *ethComm
queryStr += fmt.Sprintf("LIMIT %d;", *limit)
query, argsQ, err := sqlx.In(queryStr, args...)
if err != nil {
return nil, nil, err
return nil, 0, err
}
query = hdb.db.Rebind(query)
accounts := []*AccountAPI{}
if err := meddler.QueryAll(hdb.db, &accounts, query, argsQ...); err != nil {
return nil, nil, err
return nil, 0, err
}
if len(accounts) == 0 {
return nil, nil, sql.ErrNoRows
return nil, 0, sql.ErrNoRows
}
return db.SlicePtrsToSlice(accounts).([]AccountAPI), &db.Pagination{
TotalItems: accounts[0].TotalItems,
FirstItem: accounts[0].FirstItem,
LastItem: accounts[0].LastItem,
}, nil
return db.SlicePtrsToSlice(accounts).([]AccountAPI),
accounts[0].TotalItems - uint64(len(accounts)), nil
}
// GetMetrics returns metrics