From c1b29596063caf028bce9d887ecb204323e82ff8 Mon Sep 17 00:00:00 2001
From: Scott Grant <scott.grant@thrasher.io>
Date: Thu, 1 Nov 2018 12:03:10 +1100
Subject: [PATCH] Adds more international withdrawal fee details for bithumb,
 gemini, itbit and lakebtc

---
 exchanges/bithumb/bithumb.go  |  2 ++
 exchanges/exchange.go         |  1 +
 exchanges/gemini/gemini.go    |  2 ++
 exchanges/itbit/itbit.go      | 14 ++++++++++++++
 exchanges/itbit/itbit_test.go |  4 ++--
 exchanges/lakebtc/lakebtc.go  |  3 +++
 6 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/exchanges/bithumb/bithumb.go b/exchanges/bithumb/bithumb.go
index d73cbdb2..7d405353 100644
--- a/exchanges/bithumb/bithumb.go
+++ b/exchanges/bithumb/bithumb.go
@@ -577,6 +577,8 @@ func (b *Bithumb) GetFee(feeBuilder exchange.FeeBuilder) (float64, error) {
 		fee = getDepositFee(feeBuilder.FirstCurrency, feeBuilder.Amount)
 	case exchange.CryptocurrencyWithdrawalFee:
 		fee = getWithdrawalFee(feeBuilder.FirstCurrency)
+	case exchange.InternationalBankWithdrawalFee:
+		fee = getWithdrawalFee(feeBuilder.CurrencyItem)
 	}
 	if fee < 0 {
 		fee = 0
diff --git a/exchanges/exchange.go b/exchanges/exchange.go
index 018d31f7..2384a772 100644
--- a/exchanges/exchange.go
+++ b/exchanges/exchange.go
@@ -55,6 +55,7 @@ const (
 	Skrill          InternationalBankTransactionType = "skrill"
 	Simplex         InternationalBankTransactionType = "simplex"
 	SEPA            InternationalBankTransactionType = "sepa"
+	Swift           InternationalBankTransactionType = "swift"
 	RapidTransfer   InternationalBankTransactionType = "rapidTransfer"
 	MisterTangoSEPA InternationalBankTransactionType = "misterTangoSepa"
 	Qiwi            InternationalBankTransactionType = "qiwi"
diff --git a/exchanges/gemini/gemini.go b/exchanges/gemini/gemini.go
index 6fe0eca8..b0556240 100644
--- a/exchanges/gemini/gemini.go
+++ b/exchanges/gemini/gemini.go
@@ -519,6 +519,8 @@ func (g *Gemini) GetFee(feeBuilder exchange.FeeBuilder) (float64, error) {
 	case exchange.CryptocurrencyWithdrawalFee:
 		// TODO: no free transactions after 10; Need database to know how many trades have been done
 		// Could do via trade history, but would require analysis of response and dates to determine level of fee
+	case exchange.InternationalBankWithdrawalFee:
+		fee = 0
 	}
 	if fee < 0 {
 		fee = 0
diff --git a/exchanges/itbit/itbit.go b/exchanges/itbit/itbit.go
index f3753bbe..61af064a 100644
--- a/exchanges/itbit/itbit.go
+++ b/exchanges/itbit/itbit.go
@@ -11,6 +11,7 @@ import (
 
 	"github.com/thrasher-/gocryptotrader/common"
 	"github.com/thrasher-/gocryptotrader/config"
+	"github.com/thrasher-/gocryptotrader/currency/symbol"
 	"github.com/thrasher-/gocryptotrader/exchanges"
 	"github.com/thrasher-/gocryptotrader/exchanges/request"
 	"github.com/thrasher-/gocryptotrader/exchanges/ticker"
@@ -375,7 +376,10 @@ func (i *ItBit) GetFee(feeBuilder exchange.FeeBuilder) (float64, error) {
 	switch feeBuilder.FeeType {
 	case exchange.CryptocurrencyTradeFee:
 		fee = calculateTradingFee(feeBuilder.PurchasePrice, feeBuilder.Amount, feeBuilder.IsMaker)
+	case exchange.InternationalBankWithdrawalFee:
+		fee = getInternationalBankWithdrawalFee(feeBuilder.CurrencyItem, feeBuilder.Amount, feeBuilder.BankTransactionType)
 	}
+
 	if fee < 0 {
 		fee = 0
 	}
@@ -392,3 +396,13 @@ func calculateTradingFee(purchasePrice, amount float64, isMaker bool) float64 {
 	}
 	return feePercent * purchasePrice * amount
 }
+
+func getInternationalBankWithdrawalFee(currency string, amount float64, bankTransactionType exchange.InternationalBankTransactionType) float64 {
+	var fee float64
+	if (bankTransactionType == exchange.Swift || bankTransactionType == exchange.WireTransfer) && currency == symbol.USD {
+		fee = 40
+	} else if (bankTransactionType == exchange.SEPA || bankTransactionType == exchange.WireTransfer) && currency == symbol.EUR {
+		fee = 1
+	}
+	return fee
+}
diff --git a/exchanges/itbit/itbit_test.go b/exchanges/itbit/itbit_test.go
index 36468ad3..fc6683ae 100644
--- a/exchanges/itbit/itbit_test.go
+++ b/exchanges/itbit/itbit_test.go
@@ -224,8 +224,8 @@ func TestGetFee(t *testing.T) {
 	feeBuilder = setFeeBuilder()
 	feeBuilder.FeeType = exchange.InternationalBankWithdrawalFee
 	feeBuilder.CurrencyItem = symbol.USD
-	if resp, err := i.GetFee(feeBuilder); resp != float64(0) || err != nil {
-		t.Errorf("Test Failed - GetFee() error. Expected: %f, Recieved: %f", float64(0), resp)
+	if resp, err := i.GetFee(feeBuilder); resp != float64(40) || err != nil {
+		t.Errorf("Test Failed - GetFee() error. Expected: %f, Recieved: %f", float64(40), resp)
 		t.Error(err)
 	}
 }
diff --git a/exchanges/lakebtc/lakebtc.go b/exchanges/lakebtc/lakebtc.go
index 3afcbe59..ec34b6b2 100644
--- a/exchanges/lakebtc/lakebtc.go
+++ b/exchanges/lakebtc/lakebtc.go
@@ -354,6 +354,9 @@ func (l *LakeBTC) GetFee(feeBuilder exchange.FeeBuilder) (float64, error) {
 		fee = calculateTradingFee(feeBuilder.PurchasePrice, feeBuilder.Amount, feeBuilder.IsMaker)
 	case exchange.CyptocurrencyDepositFee:
 		fee = getCryptocurrencyWithdrawalFee(feeBuilder.FirstCurrency)
+	case exchange.InternationalBankWithdrawalFee:
+		// fees for withdrawals are dynamic. They cannot be calculated in advance
+		// As they are manually performed via the website, it can only be determined when submitting the request
 	}
 
 	if fee < 0 {