Add various helper functions for exchanges and currency pairs.

Improve Kraken config/request currency handling.
Update config file to reflect changes.

config_example.json

@@ -133,7 +133,7 @@
    "AuthenticatedAPISupport": false,
    "APIKey": "Key",
    "APISecret": "Secret",
-   "AvailablePairs": "BTC-LTC,BTC-DOGE,BTC-VTC,BTC-PPC,BTC-FTC,BTC-RDD,BTC-NXT,BTC-DASH,BTC-POT,BTC-BLK,BTC-EMC2,BTC-XMY,BTC-AUR,BTC-EFL,BTC-GLD,BTC-SLR,BTC-PTC,BTC-GRS,BTC-NLG,BTC-RBY,BTC-XWC,BTC-MONA,BTC-THC,BTC-ENRG,BTC-ERC,BTC-VRC,BTC-CURE,BTC-XMR,BTC-CLOAK,BTC-START,BTC-KORE,BTC-XDN,BTC-TRUST,BTC-NAV,BTC-XST,BTC-BTCD,BTC-VIA,BTC-PINK,BTC-IOC,BTC-CANN,BTC-SYS,BTC-NEOS,BTC-DGB,BTC-BURST,BTC-EXCL,BTC-DOPE,BTC-BLOCK,BTC-ABY,BTC-BYC,BTC-XMG,BTC-BLITZ,BTC-BAY,BTC-FAIR,BTC-SPR,BTC-VTR,BTC-XRP,BTC-GAME,BTC-COVAL,BTC-NXS,BTC-XCP,BTC-BITB,BTC-GEO,BTC-FLDC,BTC-GRC,BTC-FLO,BTC-NBT,BTC-MUE,BTC-XEM,BTC-CLAM,BTC-DMD,BTC-GAM,BTC-SPHR,BTC-OK,BTC-SNRG,BTC-PKB,BTC-CPC,BTC-AEON,BTC-ETH,BTC-GCR,BTC-TX,BTC-BCY,BTC-EXP,BTC-INFX,BTC-OMNI,BTC-AMP,BTC-AGRS,BTC-XLM,USDT-BTC,BTC-CLUB,BTC-VOX,BTC-EMC,BTC-FCT,BTC-MAID,BTC-EGC,BTC-SLS,BTC-RADS,BTC-DCR,BTC-BSD,BTC-XVG,BTC-PIVX,BTC-XVC,BTC-MEME,BTC-STEEM,BTC-2GIVE,BTC-LSK,BTC-PDC,BTC-BRK,BTC-DGD,ETH-DGD,BTC-WAVES,BTC-RISE,BTC-LBC,BTC-SBD,BTC-BRX,BTC-ETC,ETH-ETC,BTC-STRAT,BTC-UNB,BTC-SYNX,BTC-TRIG,BTC-EBST,BTC-VRM,BTC-SEQ,BTC-REP,BTC-SHIFT,BTC-XZC,BTC-NEO,BTC-ZEC,BTC-ZCL,BTC-IOP,BTC-GOLOS,BTC-UBQ,BTC-KMD,BTC-GBG,BTC-SIB,BTC-ION,BTC-LMC,BTC-QWARK,BTC-CRW,BTC-SWT,BTC-MLN,BTC-ARK,BTC-DYN,BTC-TKS,BTC-MUSIC,BTC-DTB,BTC-INCNT,BTC-GBYTE,BTC-GNT,BTC-NXC,BTC-EDG,BTC-LGD,BTC-TRST,ETH-GNT,ETH-REP,USDT-ETH,ETH-WINGS,BTC-WINGS,BTC-RLC,BTC-GNO,BTC-GUP,BTC-LUN,ETH-GUP,ETH-RLC,ETH-LUN,ETH-GNO,BTC-APX,BTC-HMQ,ETH-HMQ,BTC-ANT,ETH-TRST,ETH-ANT,BTC-SC,ETH-BAT,BTC-BAT,BTC-ZEN,BTC-1ST,BTC-QRL,ETH-1ST,ETH-QRL,BTC-CRB,ETH-CRB,ETH-LGD,BTC-PTOY,ETH-PTOY,BTC-MYST,ETH-MYST,BTC-CFI,ETH-CFI,BTC-BNT,ETH-BNT,BTC-NMR,ETH-NMR,ETH-LTC,ETH-XRP,BTC-SNT,ETH-SNT,BTC-DCT,BTC-XEL,BTC-MCO,ETH-MCO,BTC-ADT,ETH-ADT,BTC-FUN,ETH-FUN,BTC-PAY,ETH-PAY,BTC-MTL,ETH-MTL,BTC-STORJ,ETH-STORJ,BTC-ADX,ETH-ADX,ETH-DASH,ETH-SC,ETH-ZEC,USDT-ZEC,USDT-LTC,USDT-ETC,USDT-XRP,BTC-OMG,ETH-OMG,BTC-CVC,ETH-CVC,BTC-PART,BTC-QTUM,ETH-QTUM,ETH-XMR,ETH-XEM,ETH-XLM,ETH-NEO,USDT-XMR,USDT-DASH,ETH-BCC,USDT-BCC,BTC-BCC,BTC-DNT,ETH-DNT,USDT-NEO,ETH-WAVES,ETH-STRAT,ETH-DGB,ETH-FCT,USDT-OMG,BTC-ADA,BTC-MANA,ETH-MANA,BTC-SALT,ETH-SALT,BTC-TIX,ETH-TIX,BTC-RCN,ETH-RCN,BTC-VIB,ETH-VIB,BTC-MER,BTC-POWR,ETH-POWR,BTC-BTG,ETH-BTG,USDT-BTG,ETH-ADA,BTC-ENG,ETH-ENG,USDT-ADA,USDT-XVG,USDT-NXT,BTC-UKG,ETH-UKG",
+   "AvailablePairs": "BTC-LTC,BTC-DOGE,BTC-VTC,BTC-PPC,BTC-FTC,BTC-RDD,BTC-NXT,BTC-DASH,BTC-POT,BTC-BLK,BTC-EMC2,BTC-XMY,BTC-AUR,BTC-EFL,BTC-GLD,BTC-SLR,BTC-PTC,BTC-GRS,BTC-NLG,BTC-RBY,BTC-XWC,BTC-MONA,BTC-THC,BTC-ENRG,BTC-ERC,BTC-VRC,BTC-CURE,BTC-XMR,BTC-CLOAK,BTC-START,BTC-KORE,BTC-XDN,BTC-TRUST,BTC-NAV,BTC-XST,BTC-BTCD,BTC-VIA,BTC-PINK,BTC-IOC,BTC-CANN,BTC-SYS,BTC-NEOS,BTC-DGB,BTC-BURST,BTC-EXCL,BTC-DOPE,BTC-BLOCK,BTC-ABY,BTC-BYC,BTC-XMG,BTC-BLITZ,BTC-BAY,BTC-FAIR,BTC-SPR,BTC-VTR,BTC-XRP,BTC-GAME,BTC-COVAL,BTC-NXS,BTC-XCP,BTC-BITB,BTC-GEO,BTC-FLDC,BTC-GRC,BTC-FLO,BTC-NBT,BTC-MUE,BTC-XEM,BTC-CLAM,BTC-DMD,BTC-GAM,BTC-SPHR,BTC-OK,BTC-SNRG,BTC-PKB,BTC-CPC,BTC-AEON,BTC-ETH,BTC-GCR,BTC-TX,BTC-BCY,BTC-EXP,BTC-INFX,BTC-OMNI,BTC-AMP,BTC-AGRS,BTC-XLM,USDT-BTC,BTC-CLUB,BTC-VOX,BTC-EMC,BTC-FCT,BTC-MAID,BTC-EGC,BTC-SLS,BTC-RADS,BTC-DCR,BTC-BSD,BTC-XVG,BTC-PIVX,BTC-XVC,BTC-MEME,BTC-STEEM,BTC-2GIVE,BTC-LSK,BTC-PDC,BTC-BRK,BTC-WAVES,BTC-RISE,BTC-LBC,BTC-SBD,BTC-BRX,BTC-ETC,ETH-ETC,BTC-STRAT,BTC-UNB,BTC-SYNX,BTC-EBST,BTC-VRM,BTC-SEQ,BTC-REP,BTC-SHIFT,BTC-XZC,BTC-NEO,BTC-ZEC,BTC-ZCL,BTC-IOP,BTC-GOLOS,BTC-UBQ,BTC-KMD,BTC-GBG,BTC-SIB,BTC-ION,BTC-LMC,BTC-QWARK,BTC-CRW,BTC-SWT,BTC-MLN,BTC-ARK,BTC-DYN,BTC-TKS,BTC-MUSIC,BTC-DTB,BTC-INCNT,BTC-GBYTE,BTC-GNT,BTC-NXC,BTC-EDG,BTC-LGD,BTC-TRST,ETH-GNT,ETH-REP,USDT-ETH,ETH-WINGS,BTC-WINGS,BTC-RLC,BTC-GNO,BTC-GUP,BTC-LUN,ETH-GUP,ETH-RLC,ETH-LUN,ETH-GNO,BTC-APX,BTC-HMQ,ETH-HMQ,BTC-ANT,ETH-TRST,ETH-ANT,BTC-SC,ETH-BAT,BTC-BAT,BTC-ZEN,BTC-1ST,BTC-QRL,ETH-1ST,ETH-QRL,BTC-CRB,ETH-CRB,ETH-LGD,BTC-PTOY,ETH-PTOY,BTC-MYST,ETH-MYST,BTC-CFI,ETH-CFI,BTC-BNT,ETH-BNT,BTC-NMR,ETH-NMR,ETH-LTC,ETH-XRP,BTC-SNT,ETH-SNT,BTC-DCT,BTC-XEL,BTC-MCO,ETH-MCO,BTC-ADT,ETH-ADT,BTC-FUN,ETH-FUN,BTC-PAY,ETH-PAY,BTC-STORJ,ETH-STORJ,BTC-ADX,ETH-ADX,ETH-DASH,ETH-SC,ETH-ZEC,USDT-ZEC,USDT-LTC,USDT-ETC,USDT-XRP,BTC-OMG,ETH-OMG,BTC-CVC,ETH-CVC,BTC-PART,BTC-QTUM,ETH-QTUM,ETH-XMR,ETH-XEM,ETH-XLM,ETH-NEO,USDT-XMR,USDT-DASH,ETH-BCC,USDT-BCC,BTC-BCC,BTC-DNT,ETH-DNT,USDT-NEO,ETH-WAVES,ETH-STRAT,ETH-DGB,ETH-FCT,USDT-OMG,BTC-ADA,BTC-MANA,ETH-MANA,BTC-SALT,ETH-SALT,BTC-TIX,ETH-TIX,BTC-RCN,ETH-RCN,BTC-VIB,ETH-VIB,BTC-MER,BTC-POWR,ETH-POWR,BTC-BTG,ETH-BTG,USDT-BTG,ETH-ADA,BTC-ENG,ETH-ENG,USDT-ADA,USDT-XVG,USDT-NXT,BTC-UKG,ETH-UKG",
    "EnabledPairs": "USDT-BTC",
    "BaseCurrencies": "USD",
    "AssetTypes": "SPOT",
@@ -307,12 +307,13 @@
    "AuthenticatedAPISupport": false,
    "APIKey": "Key",
    "APISecret": "Secret",
-   "AvailablePairs": "BCHEUR,REPEUR,XBTGBP,XBTUSD,ETHXBT,MLNXBT,ETCEUR,ETHGBP,ICNXBT,ZECEUR,EOSETH,GNOXBT,ETHCAD.D,ETHGBP.D,XRPEUR,BCHXBT,EOSXBT,LTCXBT,XBTEUR.D,XBTUSD.D,DASHUSD,GNOETH,ETHJPY,ETHUSD.D,REPETH,USDTUSD,ETHEUR,XLMXBT,BCHUSD,ETHCAD,XBTEUR,XMRUSD,ZECXBT,LTCUSD,XBTCAD,XMRXBT,ETHJPY.D,ICNETH,XBTCAD.D,XBTJPY,XRPUSD,ZECUSD,DASHEUR,ETCETH,ETCUSD,MLNETH,XMREUR,DASHXBT,ETHXBT.D,XDGXBT,XBTGBP.D,XRPXBT,XBTJPY.D,ETCXBT,ETHEUR.D,ETHUSD,LTCEUR,REPXBT",
-   "EnabledPairs": "ETCUSD,XBTUSD,ETHUSD",
+   "AvailablePairs": "DASH-USD,ETH-EUR,ETH-GBP,ZEC-EUR,BCH-EUR,BCH-XBT,REP-XBT,XBT-USD,XDG-XBT,REP-ETH,ZEC-XBT,REP-EUR,XMR-USD,ETC-ETH,EOS-ETH,LTC-EUR,EOS-XBT,LTC-XBT,ETH-XBT,LTC-USD,ETH-CAD,DASH-EUR,ETC-USD,GNO-XBT,ETC-XBT,ETC-EUR,ETH-USD,BCH-USD,DASH-XBT,XBT-CAD,XBT-JPY,ICN-ETH,MLN-XBT,GNO-ETH,XMR-XBT,USDT-USD,XBT-GBP,XLM-XBT,XRP-EUR,XRP-USD,ZEC-USD,MLN-ETH,XBT-EUR,XRP-XBT,XMR-EUR,ETH-JPY,ICN-XBT",
+   "EnabledPairs": "XBT-USD",
    "BaseCurrencies": "EUR,USD,CAD,GBP,JPY",
    "AssetTypes": "SPOT",
    "ConfigCurrencyPairFormat": {
-    "Uppercase": true
+    "Uppercase": true,
+    "Delimiter": "-"
    },
    "RequestCurrencyPairFormat": {
     "Uppercase": true,

currency/pair/pair.go

@@ -115,3 +115,14 @@ func NewCurrencyPairFromString(currency string) CurrencyPair {
 	}
 	return NewCurrencyPair(currency[0:3], currency[3:])
 }
+
+// Contains checks to see if a specified pair exists inside a currency pair
+// array
+func Contains(pairs []CurrencyPair, p CurrencyPair) bool {
+	for x := range pairs {
+		if pairs[x].Equal(p) {
+			return true
+		}
+	}
+	return false
+}

currency/pair/pair_test.go

@@ -234,3 +234,20 @@ func TestNewCurrencyPairFromString(t *testing.T) {
 		)
 	}
 }
+
+func TestContains(t *testing.T) {
+	pairOne := NewCurrencyPair("BTC", "USD")
+	pairTwo := NewCurrencyPair("LTC", "USD")
+
+	var pairs []CurrencyPair
+	pairs = append(pairs, pairOne)
+	pairs = append(pairs, pairTwo)
+
+	if !Contains(pairs, pairOne) {
+		t.Errorf("Test failed. TestContains: Expected pair was not found")
+	}
+
+	if Contains(pairs, NewCurrencyPair("ETH", "USD")) {
+		t.Errorf("Test failed. TestContains: Non-existant pair was found")
+	}
+}

exchanges/exchange.go

@@ -69,6 +69,7 @@ type IBotExchange interface {
 	GetOrderbookEx(currency pair.CurrencyPair, assetType string) (orderbook.Base, error)
 	UpdateOrderbook(currency pair.CurrencyPair, assetType string) (orderbook.Base, error)
 	GetEnabledCurrencies() []pair.CurrencyPair
+	GetAvailableCurrencies() []pair.CurrencyPair
 	GetExchangeAccountInfo() (AccountInfo, error)
 	GetAuthenticatedAPISupport() bool
 }
@@ -109,6 +110,18 @@ func GetExchangeAssetTypes(exchName string) ([]string, error) {
 	return common.SplitStrings(exch.AssetTypes, ","), nil
 }
 
+// CompareCurrencyPairFormats checks and returns whether or not the two supplied
+// config currency pairs match
+func CompareCurrencyPairFormats(pair1 config.CurrencyPairFormatConfig, pair2 *config.CurrencyPairFormatConfig) bool {
+	if pair1.Delimiter != pair2.Delimiter ||
+		pair1.Uppercase != pair2.Uppercase ||
+		pair1.Separator != pair2.Separator ||
+		pair1.Index != pair2.Index {
+		return false
+	}
+	return true
+}
+
 // SetCurrencyPairFormat checks the exchange request and config currency pair
 // formats and sets it to a default setting if it doesn't exist
 func (e *Base) SetCurrencyPairFormat() error {
@@ -128,7 +141,13 @@ func (e *Base) SetCurrencyPairFormat() error {
 		}
 		update = true
 	} else {
-		e.RequestCurrencyPairFormat = *exch.RequestCurrencyPairFormat
+		if CompareCurrencyPairFormats(e.RequestCurrencyPairFormat,
+			exch.RequestCurrencyPairFormat) {
+			e.RequestCurrencyPairFormat = *exch.RequestCurrencyPairFormat
+		} else {
+			*exch.RequestCurrencyPairFormat = e.ConfigCurrencyPairFormat
+			update = true
+		}
 	}
 
 	if exch.ConfigCurrencyPairFormat == nil {
@@ -140,7 +159,13 @@ func (e *Base) SetCurrencyPairFormat() error {
 		}
 		update = true
 	} else {
-		e.ConfigCurrencyPairFormat = *exch.ConfigCurrencyPairFormat
+		if CompareCurrencyPairFormats(e.ConfigCurrencyPairFormat,
+			exch.ConfigCurrencyPairFormat) {
+			e.ConfigCurrencyPairFormat = *exch.ConfigCurrencyPairFormat
+		} else {
+			*exch.ConfigCurrencyPairFormat = e.ConfigCurrencyPairFormat
+			update = true
+		}
 	}
 
 	if update {

exchanges/exchange_test.go

@@ -83,6 +83,25 @@ func TestGetExchangeAssetTypes(t *testing.T) {
 	}
 }
 
+func TestCompareCurrencyPairFormats(t *testing.T) {
+	cfgOne := config.CurrencyPairFormatConfig{
+		Delimiter: "-",
+		Uppercase: true,
+		Index:     "",
+		Separator: ",",
+	}
+
+	cfgTwo := cfgOne
+	if !CompareCurrencyPairFormats(cfgOne, &cfgTwo) {
+		t.Fatal("Test failed. CompareCurrencyPairFormats should be true")
+	}
+
+	cfgTwo.Delimiter = "~"
+	if CompareCurrencyPairFormats(cfgOne, &cfgTwo) {
+		t.Fatal("Test failed. CompareCurrencyPairFormats should not be true")
+	}
+}
+
 func TestSetCurrencyPairFormat(t *testing.T) {
 	cfg := config.GetConfig()
 	err := cfg.LoadConfig(config.ConfigTestFile)
@@ -142,6 +161,12 @@ func TestSetCurrencyPairFormat(t *testing.T) {
 		b.RequestCurrencyPairFormat.Uppercase {
 		t.Fatal("Test failed. TestSetCurrencyPairFormat RequestCurrencyPairFormat values are incorrect")
 	}
+
+	// if currency pairs are the same as the config, should load from config
+	err = b.SetCurrencyPairFormat()
+	if err != nil {
+		t.Fatalf("Test failed. TestSetCurrencyPairFormat. Error %s", err)
+	}
 }
 
 func TestGetAuthenticatedAPISupport(t *testing.T) {

exchanges/kraken/kraken.go

@@ -60,7 +60,7 @@ func (k *Kraken) SetDefaults() {
 	k.RequestCurrencyPairFormat.Delimiter = ""
 	k.RequestCurrencyPairFormat.Uppercase = true
 	k.RequestCurrencyPairFormat.Separator = ","
-	k.ConfigCurrencyPairFormat.Delimiter = ""
+	k.ConfigCurrencyPairFormat.Delimiter = "-"
 	k.ConfigCurrencyPairFormat.Uppercase = true
 	k.AssetTypes = []string{ticker.Spot}
 }

exchanges/kraken/kraken_wrapper.go

@@ -29,11 +29,35 @@ func (k *Kraken) Run() {
 	if err != nil {
 		log.Printf("%s Failed to get available symbols.\n", k.GetName())
 	} else {
+		forceUpgrade := false
+		if !common.DataContains(k.EnabledPairs, "-") || !common.DataContains(k.AvailablePairs, "-") {
+			forceUpgrade = true
+		}
+
 		var exchangeProducts []string
 		for _, v := range assetPairs {
-			exchangeProducts = append(exchangeProducts, v.Altname)
+			if common.StringContains(v.Altname, ".d") {
+				continue
+			}
+			if v.Base[0] == 'X' {
+				v.Base = v.Base[1:]
+			}
+			if v.Quote[0] == 'Z' || v.Quote[0] == 'X' {
+				v.Quote = v.Quote[1:]
+			}
+			exchangeProducts = append(exchangeProducts, v.Base+"-"+v.Quote)
+		}
+
+		if forceUpgrade {
+			enabledPairs := []string{"XBT-USD"}
+			log.Println("WARNING: Available pairs for Kraken reset due to config upgrade, please enable the ones you would like again")
+
+			err = k.UpdateEnabledCurrencies(enabledPairs, true)
+			if err != nil {
+				log.Printf("%s Failed to get config.\n", k.GetName())
+			}
 		}
-		err = k.UpdateAvailableCurrencies(exchangeProducts, false)
+		err = k.UpdateAvailableCurrencies(exchangeProducts, forceUpgrade)
 		if err != nil {
 			log.Printf("%s Failed to get config.\n", k.GetName())
 		}

helpers.go

@@ -4,13 +4,43 @@ import (
 	"errors"
 	"fmt"
 
+	"github.com/thrasher-/gocryptotrader/common"
 	"github.com/thrasher-/gocryptotrader/currency/pair"
+	"github.com/thrasher-/gocryptotrader/currency/translation"
 	exchange "github.com/thrasher-/gocryptotrader/exchanges"
 	"github.com/thrasher-/gocryptotrader/exchanges/orderbook"
 	"github.com/thrasher-/gocryptotrader/exchanges/stats"
 	"github.com/thrasher-/gocryptotrader/exchanges/ticker"
 )
 
+// GetRelatableCurrencies returns a list of currency pairs if it can find
+// any relatable currencies (e.g BTCUSD -> BTC USDT -> XBT USD)
+func GetRelatableCurrencies(p pair.CurrencyPair) []pair.CurrencyPair {
+	var pairs []pair.CurrencyPair
+	first, err := translation.GetTranslation(p.FirstCurrency)
+	if err == nil {
+		pairs = append(pairs, pair.NewCurrencyPair(first.String(),
+			p.SecondCurrency.String()))
+	}
+
+	second, err := translation.GetTranslation(p.SecondCurrency)
+	if err == nil {
+		pairs = append(pairs, pair.NewCurrencyPair(p.FirstCurrency.String(),
+			second.String()))
+	}
+	return pairs
+}
+
+// GetExchangeByName returns an exchange given an exchange name
+func GetExchangeByName(exchName string) exchange.IBotExchange {
+	for x := range bot.exchanges {
+		if common.StringToLower(bot.exchanges[x].GetName()) == common.StringToLower(exchName) {
+			return bot.exchanges[x]
+		}
+	}
+	return nil
+}
+
 // GetSpecificOrderbook returns a specific orderbook given the currency,
 // exchangeName and assetType
 func GetSpecificOrderbook(currency, exchangeName, assetType string) (orderbook.Base, error) {