fix: lsp hover/twoslash for abi overloads

Author: tmm

src/actions/public/readContract.test-d.ts

@@ -207,7 +207,7 @@ test('behavior', () => {
           name: 'bar',
           type: 'function',
           stateMutability: 'view',
-          inputs: [{ type: 'address', name: '' }],
+          inputs: [{ type: 'address', name: 'account' }],
           outputs: [{ type: 'address', name: '' }],
         },
       ],
@@ -232,7 +232,7 @@ test('behavior', () => {
     const abi = parseAbi([
       'function foo() view returns (int8)',
       'function foo(address tokenId) view returns (string)',
-      'function foo(address, address) view returns ((address foo, address bar))',
+      'function foo(address spender, address account) view returns ((address foo, address bar))',
       'function bar() view returns (int8)',
     ])
 

src/actions/wallet/writeContract.test-d.ts

@@ -88,8 +88,8 @@ test('infers args', () => {
     transport: custom(window.ethereum!),
   })
   const abi = parseAbi([
-    'function foo(address) payable returns (int8)',
-    'function bar(address, uint256) returns (int8)',
+    'function foo(address account) payable returns (int8)',
+    'function bar(address account, uint256 amount) returns (int8)',
   ])
 
   type Result1 = WriteContractParameters<typeof abi, 'foo'>
@@ -275,8 +275,8 @@ test('overloads', async () => {
   })
   const abi = parseAbi([
     'function foo() returns (int8)',
-    'function foo(address) returns (string)',
-    'function foo(address, address) returns ((address foo, address bar))',
+    'function foo(address account) returns (string)',
+    'function foo(address sender, address account) returns ((address foo, address bar))',
     'function bar() returns (int8)',
   ])
 

src/types/contract.ts

@@ -217,15 +217,26 @@ export type ContractFunctionParameters<
   functionName:
     | allFunctionNames // show all options
     | (functionName extends allFunctionNames ? functionName : never) // infer value
-  args?:
-    | (abi extends Abi
-        ? UnionWiden<IsUnion<abiFunction> extends true ? args : allArgs>
-        : never)
-    | allArgs
-    | undefined
 } & (readonly [] extends allArgs
-  ? {}
-  : { args: Widen<IsUnion<abiFunction> extends true ? args : allArgs> }) &
+  ? {
+      args?:
+        | allArgs
+        | (abi extends Abi
+            ? Abi extends abi
+              ? never
+              : UnionWiden<IsUnion<abiFunction> extends true ? args : allArgs>
+            : never)
+        | undefined
+    }
+  : {
+      args:
+        | allArgs
+        | (abi extends Abi
+            ? Abi extends abi
+              ? never
+              : Widen<IsUnion<abiFunction> extends true ? args : allArgs>
+            : never)
+    }) &
   (deployless extends true
     ? { address?: undefined; code: Hex }
     : { address: Address })