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bbgo: pull out findPossibleMarketSymbols and add tests
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@ -1020,7 +1020,7 @@ func (session *ExchangeSession) getSessionSymbols(defaultSymbols ...string) ([]s
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return defaultSymbols, nil
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return defaultSymbols, nil
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}
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}
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return session.FindPossibleSymbols()
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return session.FindPossibleAssetSymbols()
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}
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}
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func defaultSyncSinceTime() time.Time {
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func defaultSyncSinceTime() time.Time {
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@ -704,25 +704,10 @@ func (session *ExchangeSession) UpdatePrices(ctx context.Context, currencies []s
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// }
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// }
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markets := session.Markets()
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markets := session.Markets()
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var symbols []string
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var symbols []string
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for _, c := range currencies {
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for _, c := range currencies {
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var tries []string
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possibleSymbols := findPossibleMarketSymbols(markets, c, fiat)
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// expand USD stable coin currencies
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symbols = append(symbols, possibleSymbols...)
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if types.IsUSDFiatCurrency(fiat) {
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for _, usdFiat := range types.USDFiatCurrencies {
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tries = append(tries, c+usdFiat, usdFiat+c)
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}
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} else {
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tries = []string{c + fiat, fiat + c}
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}
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for _, try := range tries {
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if markets.Has(try) {
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symbols = append(symbols, try)
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break
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}
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}
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}
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}
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if len(symbols) == 0 {
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if len(symbols) == 0 {
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@ -757,7 +742,7 @@ func (session *ExchangeSession) UpdatePrices(ctx context.Context, currencies []s
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return err
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return err
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}
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}
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func (session *ExchangeSession) FindPossibleSymbols() (symbols []string, err error) {
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func (session *ExchangeSession) FindPossibleAssetSymbols() (symbols []string, err error) {
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// If the session is an isolated margin session, there will be only the isolated margin symbol
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// If the session is an isolated margin session, there will be only the isolated margin symbol
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if session.Margin && session.IsolatedMargin {
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if session.Margin && session.IsolatedMargin {
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return []string{
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return []string{
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@ -1041,3 +1026,24 @@ func (session *ExchangeSession) FormatOrders(orders []types.SubmitOrder) (format
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return formattedOrders, err
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return formattedOrders, err
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}
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}
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func findPossibleMarketSymbols(markets types.MarketMap, c, fiat string) (symbols []string) {
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var tries []string
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// expand USD stable coin currencies
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if types.IsUSDFiatCurrency(fiat) {
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for _, usdFiat := range types.USDFiatCurrencies {
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tries = append(tries, c+usdFiat, usdFiat+c)
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}
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} else {
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tries = []string{c + fiat, fiat + c}
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}
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for _, try := range tries {
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if markets.Has(try) {
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symbols = append(symbols, try)
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break
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}
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}
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return symbols
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}
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44
pkg/bbgo/session_test.go
Normal file
44
pkg/bbgo/session_test.go
Normal file
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@ -0,0 +1,44 @@
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package bbgo
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/c9s/bbgo/pkg/types"
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)
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func Test_findPossibleMarketSymbols(t *testing.T) {
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t.Run("btcusdt", func(t *testing.T) {
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markets := types.MarketMap{
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"BTCUSDT": types.Market{},
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"BTCUSDC": types.Market{},
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"BTCUSD": types.Market{},
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"BTCBUSD": types.Market{},
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}
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symbols := findPossibleMarketSymbols(markets, "BTC", "USDT")
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if assert.Len(t, symbols, 1) {
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assert.Equal(t, "BTCUSDT", symbols[0])
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}
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})
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t.Run("btcusd only", func(t *testing.T) {
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markets := types.MarketMap{
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"BTCUSD": types.Market{},
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}
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symbols := findPossibleMarketSymbols(markets, "BTC", "USDT")
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if assert.Len(t, symbols, 1) {
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assert.Equal(t, "BTCUSD", symbols[0])
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}
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})
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t.Run("usd to stable coin", func(t *testing.T) {
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markets := types.MarketMap{
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"BTCUSDT": types.Market{},
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}
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symbols := findPossibleMarketSymbols(markets, "BTC", "USD")
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if assert.Len(t, symbols, 1) {
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assert.Equal(t, "BTCUSDT", symbols[0])
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}
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})
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}
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