From 5470834fe69280518d92dd6a6b65c0823e9c75ea Mon Sep 17 00:00:00 2001
From: Alex Skene <510285+skenaja@users.noreply.github.com>
Date: Fri, 17 Oct 2025 14:04:01 +0100
Subject: [PATCH 1/3] Deprecate Etherlink Ghostnet Testnet

https://docs.etherlink.com/network/migrating-testnet/
---
 _data/chains/eip155-128123.json | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/_data/chains/eip155-128123.json b/_data/chains/eip155-128123.json
index b1c4c014c1f9..19a7e80c0b44 100644
--- a/_data/chains/eip155-128123.json
+++ b/_data/chains/eip155-128123.json
@@ -1,5 +1,5 @@
 {
-  "name": "Etherlink Testnet",
+  "name": "Etherlink Ghostnet Testnet",
   "chain": "Etherlink",
   "icon": "etherlink",
   "chainId": 128123,
@@ -16,9 +16,10 @@
   "faucets": ["https://faucet.etherlink.com"],
   "explorers": [
     {
-      "name": "Etherlink Testnet Explorer",
-      "url": "https://testnet-explorer.etherlink.com",
+      "name": "Etherlink Ghostnet Testnet Explorer",
+      "url": "https://testnet.explorer.etherlink.com",
       "standard": "EIP3091"
     }
-  ]
+  ],
+  "status": "deprecated"
 }

From 7cd4c6ff1a8a0a4c5659481aaca2e1e709f470c4 Mon Sep 17 00:00:00 2001
From: Alex Skene <510285+skenaja@users.noreply.github.com>
Date: Fri, 17 Oct 2025 14:04:51 +0100
Subject: [PATCH 2/3] Add Etherlink Shadownet Testnet

https://docs.etherlink.com/network/migrating-testnet/
---
 _data/chains/eip155-127823.json | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 _data/chains/eip155-127823.json

diff --git a/_data/chains/eip155-127823.json b/_data/chains/eip155-127823.json
new file mode 100644
index 000000000000..ce29f5ad7589
--- /dev/null
+++ b/_data/chains/eip155-127823.json
@@ -0,0 +1,24 @@
+{
+  "name": "Etherlink Shadownet Testnet",
+  "chain": "Etherlink",
+  "icon": "etherlink",
+  "chainId": 127823,
+  "networkId": 127823,
+  "features": [{ "name": "EIP1559" }],
+  "infoURL": "https://etherlink.com",
+  "shortName": "etlst",
+  "nativeCurrency": {
+    "name": "tez",
+    "symbol": "XTZ",
+    "decimals": 18
+  },
+  "rpc": ["https://node.shadownet.etherlink.com"],
+  "faucets": ["https://faucet.etherlink.com"],
+  "explorers": [
+    {
+      "name": "Etherlink Shadownet Testnet Explorer",
+      "url": "https://shadownet.explorer.etherlink.com",
+      "standard": "EIP3091"
+    }
+  ]
+}

From 1b8a957042b76b083c19501e405ad2022595e6b4 Mon Sep 17 00:00:00 2001
From: Alex Skene <510285+skenaja@users.noreply.github.com>
Date: Fri, 17 Oct 2025 14:06:26 +0100
Subject: [PATCH 3/3] Update Etherlink features

---
 _data/chains/eip155-127823.json | 2 +-
 _data/chains/eip155-128123.json | 2 +-
 _data/chains/eip155-42793.json  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/_data/chains/eip155-127823.json b/_data/chains/eip155-127823.json
index ce29f5ad7589..170cfa17d1d7 100644
--- a/_data/chains/eip155-127823.json
+++ b/_data/chains/eip155-127823.json
@@ -4,7 +4,7 @@
   "icon": "etherlink",
   "chainId": 127823,
   "networkId": 127823,
-  "features": [{ "name": "EIP1559" }],
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
   "infoURL": "https://etherlink.com",
   "shortName": "etlst",
   "nativeCurrency": {
diff --git a/_data/chains/eip155-128123.json b/_data/chains/eip155-128123.json
index 19a7e80c0b44..833b572fafd4 100644
--- a/_data/chains/eip155-128123.json
+++ b/_data/chains/eip155-128123.json
@@ -4,7 +4,7 @@
   "icon": "etherlink",
   "chainId": 128123,
   "networkId": 128123,
-  "features": [{ "name": "EIP1559" }],
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
   "infoURL": "https://etherlink.com",
   "shortName": "etlt",
   "nativeCurrency": {
diff --git a/_data/chains/eip155-42793.json b/_data/chains/eip155-42793.json
index 3b536a351793..8fff97819289 100644
--- a/_data/chains/eip155-42793.json
+++ b/_data/chains/eip155-42793.json
@@ -4,7 +4,7 @@
   "icon": "etherlink",
   "chainId": 42793,
   "networkId": 42793,
-  "features": [{ "name": "EIP1559" }],
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
   "infoURL": "https://etherlink.com",
   "shortName": "etlk",
   "nativeCurrency": {