From 0778bba987fe1d2a713a3ad5f67ab2d960ffddac Mon Sep 17 00:00:00 2001
From: mk0walsk <mateuszkowalskiiiiiq@gmail.com>
Date: Fri, 17 Apr 2026 22:30:11 +0800
Subject: [PATCH 1/2] fix(chains): preserve OP predeploy contracts on Zircuit

---
 src/chains/definitions/zircuit.ts                | 1 +
 src/chains/definitions/zircuitGarfieldTestnet.ts | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/chains/definitions/zircuit.ts b/src/chains/definitions/zircuit.ts
index f04477508c..4722348d5f 100644
--- a/src/chains/definitions/zircuit.ts
+++ b/src/chains/definitions/zircuit.ts
@@ -24,6 +24,7 @@ export const zircuit = /*#__PURE__*/ defineChain({
     },
   },
   contracts: {
+    ...chainConfig.contracts,
     multicall3: {
       address: '0xcA11bde05977b3631167028862bE2a173976CA11',
     },
diff --git a/src/chains/definitions/zircuitGarfieldTestnet.ts b/src/chains/definitions/zircuitGarfieldTestnet.ts
index 3867916a88..1185809fe0 100644
--- a/src/chains/definitions/zircuitGarfieldTestnet.ts
+++ b/src/chains/definitions/zircuitGarfieldTestnet.ts
@@ -20,6 +20,7 @@ export const zircuitGarfieldTestnet = /*#__PURE__*/ defineChain({
     },
   },
   contracts: {
+    ...chainConfig.contracts,
     multicall3: {
       address: '0xcA11bde05977b3631167028862bE2a173976CA11',
     },

From c01c5875415d5b9537706d7735516ab3d153e5d2 Mon Sep 17 00:00:00 2001
From: jxom <7336481+jxom@users.noreply.github.com>
Date: Tue, 21 Apr 2026 11:10:03 +1000
Subject: [PATCH 2/2] Create fluffy-hats-wait.md

---
 .changeset/fluffy-hats-wait.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/fluffy-hats-wait.md

diff --git a/.changeset/fluffy-hats-wait.md b/.changeset/fluffy-hats-wait.md
new file mode 100644
index 0000000000..ce62b167e9
--- /dev/null
+++ b/.changeset/fluffy-hats-wait.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added OP Stack chain config to Zircuit.