fix: wallet_getCapabilities params

.changeset/breezy-grapes-appear.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Passed `chainId` to `wallet_getCapabilities`.

src/actions/wallet/getCapabilities.ts

@@ -11,6 +11,7 @@ import type {
 } from '../../types/eip1193.js'
 import type { Prettify } from '../../types/utils.js'
 import type { RequestErrorType } from '../../utils/buildRequest.js'
+import { numberToHex } from '../../utils/encoding/toHex.js'
 
 export type GetCapabilitiesParameters<
   chainId extends number | undefined = undefined,
@@ -59,9 +60,12 @@ export async function getCapabilities<
 
   const account_ = account ? parseAccount(account) : undefined
 
+  const params = chainId
+    ? ([account_?.address, [numberToHex(chainId)]] as const)
+    : ([account_?.address] as const)
   const capabilities_raw = await client.request({
     method: 'wallet_getCapabilities',
-    params: [account_?.address],
+    params,
   })
 
   const capabilities = {} as WalletCapabilitiesRecord<

src/clients/decorators/wallet.ts

@@ -238,9 +238,9 @@ export type WalletActions<
    *   account: '0xA0Cf798816D4b9b9866b5330EEa46a18382f251e',
    * })
    */
-  getCapabilities: (
-    parameters?: GetCapabilitiesParameters,
-  ) => Promise<GetCapabilitiesReturnType>
+  getCapabilities: <chainId extends number | undefined>(
+    parameters?: GetCapabilitiesParameters<chainId>,
+  ) => Promise<GetCapabilitiesReturnType<chainId>>
   /**
    * Returns the chain ID associated with the current network.
    *
@@ -963,7 +963,7 @@ export function walletActions<
     deployContract: (args) => deployContract(client, args),
     getAddresses: () => getAddresses(client),
     getCallsStatus: (args) => getCallsStatus(client, args),
-    getCapabilities: () => getCapabilities(client),
+    getCapabilities: (args) => getCapabilities(client, args),
     getChainId: () => getChainId(client),
     getPermissions: () => getPermissions(client),
     prepareAuthorization: (args) => prepareAuthorization(client, args),

src/types/eip1193.ts

@@ -1795,7 +1795,11 @@ export type WalletRpcSchema = [
    */
   {
     Method: 'wallet_getCapabilities'
-    Parameters?: [Address | undefined] | undefined
+    Parameters?:
+      | readonly []
+      | readonly [Address | undefined]
+      | readonly [Address | undefined, readonly Hex[] | undefined]
+      | undefined
     ReturnType: Prettify<WalletCapabilitiesRecord>
   },
   /**