From 7a47ca044f730ea2a332b933ff94a4de07e7edc0 Mon Sep 17 00:00:00 2001
From: oskarszoon <1449115+oskarszoon@users.noreply.github.com>
Date: Wed, 2 Jul 2025 15:32:20 +0200
Subject: [PATCH 1/4] Add support for Testnet

---
 README.md                    | 6 ++++++
 config/load.go               | 8 ++++++++
 config/p2p_network_params.go | 3 ++-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 2a785603..73ef4be0 100644
--- a/README.md
+++ b/README.md
@@ -284,6 +284,12 @@ To override history_max in websocket config, use the path with "_" as a path del
 BHS_HISTORY_MAX=300
 ```
 
+To connect BHS to Testnet, you can use the following environment variable:
+
+```bash
+BHS_P2P_CHAIN_NET_TYPE=testnet
+````
+
 
 <!-- PROJECT LOGO -->
 <br />
diff --git a/config/load.go b/config/load.go
index 611160d4..941c93cc 100644
--- a/config/load.go
+++ b/config/load.go
@@ -35,6 +35,14 @@ func Load(cfg *AppConfig) (*AppConfig, *zerolog.Logger, error) {
 	}
 
 	setP2PLogger(logger)
+	
+	// Update ActiveNetParams based on the loaded configuration
+	if cfg.P2P != nil {
+		ActiveNetParams = cfg.P2P.GetNetParams()
+		// Update checkpoints to use the new network params
+		Checkpoints = ActiveNetParams.Checkpoints
+	}
+	
 	return cfg, logger, nil
 }
 
diff --git a/config/p2p_network_params.go b/config/p2p_network_params.go
index aed40db5..59298ea1 100644
--- a/config/p2p_network_params.go
+++ b/config/p2p_network_params.go
@@ -35,6 +35,7 @@ func (c *P2PConfig) GetNetParams() *chaincfg.Params {
 }
 
 // ActiveNetParams is a pointer to the parameters specific to the
-// currently active bitcoin network.
+// currently active bitcoin network. This is initialized to MainNet
+// but will be updated based on the P2P config when the configuration is loaded.
 // TODO: remove this after switching to new p2p server.
 var ActiveNetParams = &chaincfg.MainNetParams

From 4c1dc8c94f36d0e4af0176bc271dd7600420a4f1 Mon Sep 17 00:00:00 2001
From: oskarszoon <1449115+oskarszoon@users.noreply.github.com>
Date: Wed, 2 Jul 2025 15:32:36 +0200
Subject: [PATCH 2/4] Switch to same seed nodes that SVNode is using

---
 internal/chaincfg/params.go | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/internal/chaincfg/params.go b/internal/chaincfg/params.go
index f7919c28..bdb73b04 100644
--- a/internal/chaincfg/params.go
+++ b/internal/chaincfg/params.go
@@ -224,7 +224,9 @@ var MainNetParams = Params{
 	Net:         wire.MainNet,
 	DefaultPort: "8333",
 	DNSSeeds: []DNSSeed{
-		{"seed-nodes.bsvb.tech", true},
+		{"seed.bitcoinsv.io", true},
+		{"seed.satoshisvision.network", true},
+		{"seed.bitcoinseed.directory", true},
 	},
 
 	// Chain parameters
@@ -367,8 +369,9 @@ var TestNet3Params = Params{
 	Net:         wire.TestNet3,
 	DefaultPort: "18333",
 	DNSSeeds: []DNSSeed{
-		{"testnet-seed.metasv.io", true},
-		{"testnet-btccash-seeder.bitcoinunlimited.info", true},
+		{"testnet-seed.bitcoinsv.io", true},
+		{"testnet-seed.bitcoincloud.net", true},
+		{"testnet-seed.bitcoinseed.directory", true},
 	},
 
 	// Chain parameters

From c154d7d7a42608b948ef4fdb3cea0bcaa4fd7aa7 Mon Sep 17 00:00:00 2001
From: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
Date: Wed, 2 Jul 2025 13:33:36 +0000
Subject: [PATCH 3/4] chore: update generated files

---
 config/load.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/config/load.go b/config/load.go
index 941c93cc..5c36606e 100644
--- a/config/load.go
+++ b/config/load.go
@@ -35,14 +35,14 @@ func Load(cfg *AppConfig) (*AppConfig, *zerolog.Logger, error) {
 	}
 
 	setP2PLogger(logger)
-	
+
 	// Update ActiveNetParams based on the loaded configuration
 	if cfg.P2P != nil {
 		ActiveNetParams = cfg.P2P.GetNetParams()
 		// Update checkpoints to use the new network params
 		Checkpoints = ActiveNetParams.Checkpoints
 	}
-	
+
 	return cfg, logger, nil
 }
 

From b31c774a327bf26747e2745709dd3c78c6035cb8 Mon Sep 17 00:00:00 2001
From: oskarszoon <1449115+oskarszoon@users.noreply.github.com>
Date: Wed, 2 Jul 2025 15:39:32 +0200
Subject: [PATCH 4/4] Fix the seed test

---
 internal/chaincfg/params_test.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/internal/chaincfg/params_test.go b/internal/chaincfg/params_test.go
index 13e73c8d..4ba13e56 100644
--- a/internal/chaincfg/params_test.go
+++ b/internal/chaincfg/params_test.go
@@ -37,7 +37,9 @@ func TestMustRegisterPanic(t *testing.T) {
 // TestSeeds ensures the right seeds are defined.
 func TestSeeds(t *testing.T) {
 	expectedSeeds := []DNSSeed{
-		{"seed-nodes.bsvb.tech", true},
+		{"seed.bitcoinsv.io", true},
+		{"seed.satoshisvision.network", true},
+		{"seed.bitcoinseed.directory", true},
 	}
 
 	if MainNetParams.DNSSeeds == nil {