From 6e28131a8b9ab53ad1330c61df64d3b7fb799652 Mon Sep 17 00:00:00 2001
From: "moxey.eth" <jakemoxey@gmail.com>
Date: Tue, 7 May 2024 09:51:21 +1000
Subject: [PATCH] fix: `wallet_sendCalls` types

---
 .changeset/witty-fans-worry.md |  5 +++++
 src/types/eip1193.ts           | 21 +++++++++++++--------
 src/types/transaction.ts       |  2 +-
 3 files changed, 19 insertions(+), 9 deletions(-)
 create mode 100644 .changeset/witty-fans-worry.md

diff --git a/.changeset/witty-fans-worry.md b/.changeset/witty-fans-worry.md
new file mode 100644
index 0000000000..f4fb18b306
--- /dev/null
+++ b/.changeset/witty-fans-worry.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Fixed types for `wallet_sendCalls`.
diff --git a/src/types/eip1193.ts b/src/types/eip1193.ts
index 84584249bd..caf2e8eb5f 100644
--- a/src/types/eip1193.ts
+++ b/src/types/eip1193.ts
@@ -16,7 +16,7 @@ import type {
   RpcTransactionRequest as TransactionRequest,
   RpcUncle as Uncle,
 } from './rpc.js'
-import type { ExactPartial, Prettify } from './utils.js'
+import type { ExactPartial, OneOf, Prettify } from './utils.js'
 
 //////////////////////////////////////////////////
 // Provider
@@ -155,15 +155,20 @@ export type WalletSendCallsParameters<
   quantity extends Quantity | bigint = Quantity,
 > = [
   {
-    version: string
+    calls: OneOf<
+      | {
+          to: Address
+          data?: Hex | undefined
+          value?: quantity | undefined
+        }
+      | {
+          data: Hex
+        }
+    >[]
+    capabilities?: capabilities | undefined
     chainId: chainId
     from: Address
-    calls: {
-      to: Address
-      data: Hex
-      value: quantity
-    }[]
-    capabilities?: capabilities | undefined
+    version: string
   },
 ]
 
diff --git a/src/types/transaction.ts b/src/types/transaction.ts
index 4746b961c3..ff6f07ca3b 100644
--- a/src/types/transaction.ts
+++ b/src/types/transaction.ts
@@ -157,7 +157,7 @@ export type TransactionEIP4844<
     /** EIP-2930 Access List. */
     accessList: AccessList
     /** List of versioned blob hashes associated with the transaction's blobs. */
-    blobVersionedHashes: Hex[]
+    blobVersionedHashes: readonly Hex[]
     /** Chain ID that this transaction is valid on. */
     chainId: TIndex
     type: TType