From ef0f398455783248e79fb57a021fa7e96fc34db9 Mon Sep 17 00:00:00 2001
From: Adrian Gallagher <adrian.gallagher@thrasher.io>
Date: Mon, 24 Feb 2025 14:26:11 +1100
Subject: [PATCH] exchanges/btse: Handle TRUMPSOL in MarketPair.Pair and add
 test coverage (#1808)

* exchanges/btse: Handle TRUMPSOL in MarketPair.Pair and add test coverage

* BTSE: Update test table

* nits: Make slight adjustments to test table
---
 exchanges/btse/btse_test.go    | 23 +++++++++++++++++++++++
 exchanges/btse/btse_wrapper.go | 13 +++++++++----
 2 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/exchanges/btse/btse_test.go b/exchanges/btse/btse_test.go
index 28f493c0..0572e529 100644
--- a/exchanges/btse/btse_test.go
+++ b/exchanges/btse/btse_test.go
@@ -752,6 +752,29 @@ func TestStripExponent(t *testing.T) {
 	assert.ErrorIs(t, err, errInvalidPairSymbol, "Should error on a symbol with too many underscores")
 }
 
+func TestMarketPair(t *testing.T) {
+	t.Parallel()
+
+	for _, tt := range []struct {
+		symbol         string
+		base           string
+		futures        bool
+		expectedErr    error
+		expectedSymbol string
+	}{
+		{symbol: "RUNEPFC", base: currency.RUNE.String(), futures: true, expectedSymbol: "RUNEPFC"},
+		{symbol: "TRUMPPFC", base: "TRUMPSOL", futures: true, expectedSymbol: "TRUMPPFC"},
+		{symbol: "BTCUSD", base: "NAUGHTYBASE", futures: true, expectedErr: errInvalidPairSymbol},
+		{symbol: "NAUGHTYSYMBOL", base: currency.BTC.String(), expectedErr: errInvalidPairSymbol},
+		{symbol: "BTC-USD", base: currency.BTC.String(), expectedSymbol: "BTCUSD"},
+	} {
+		mp := MarketPair{Symbol: tt.symbol, Base: tt.base, Quote: "USD", Futures: tt.futures}
+		p, err := mp.Pair()
+		assert.ErrorIs(t, err, tt.expectedErr, "Pair should not error")
+		assert.Equal(t, tt.expectedSymbol, p.String(), "Pair should return the expected symbol")
+	}
+}
+
 func TestGenerateSubscriptions(t *testing.T) {
 	t.Parallel()
 
diff --git a/exchanges/btse/btse_wrapper.go b/exchanges/btse/btse_wrapper.go
index a96959c6..e9b6cac8 100644
--- a/exchanges/btse/btse_wrapper.go
+++ b/exchanges/btse/btse_wrapper.go
@@ -1051,11 +1051,16 @@ func (m *MarketPair) Pair() (currency.Pair, error) {
 	baseCurr := m.Base
 	var quoteCurr string
 	if m.Futures {
-		s := strings.Split(m.Symbol, m.Base) // e.g. RUNEPFC for RUNE-USD futures pair
-		if len(s) <= 1 {
-			return currency.EMPTYPAIR, errInvalidPairSymbol
+		if baseCurr == "TRUMPSOL" { // Only base currency which is different to the rest
+			baseCurr = "TRUMP"
+			quoteCurr = strings.TrimPrefix(m.Symbol, baseCurr)
+		} else {
+			s := strings.Split(m.Symbol, m.Base) // e.g. RUNEPFC for RUNE-USD futures pair
+			if len(s) <= 1 {
+				return currency.EMPTYPAIR, errInvalidPairSymbol
+			}
+			quoteCurr = s[1]
 		}
-		quoteCurr = s[1]
 	} else {
 		s := strings.Split(m.Symbol, currency.DashDelimiter)
 		if len(s) != 2 {