refactor: remove @stacks/rpc-client, deprecated package

package.json

@@ -31,8 +31,8 @@
   },
   "devDependencies": {
     "@babel/runtime": "7.26.0",
-    "@commitlint/cli": "19.5.0",
-    "@commitlint/config-conventional": "19.5.0",
+    "@commitlint/cli": "19.6.0",
+    "@commitlint/config-conventional": "19.6.0",
     "@leather.io/eslint-config": "workspace:*",
     "@leather.io/prettier-config": "workspace:*",
     "@leather.io/tsconfig-config": "workspace:*",

packages/query/package.json

@@ -45,7 +45,6 @@
     "@stacks/common": "6.13.0",
     "@stacks/connect": "7.4.0",
     "@stacks/network": "6.13.0",
-    "@stacks/rpc-client": "1.0.3",
     "@stacks/stacks-blockchain-api-types": "7.8.2",
     "@stacks/transactions": "6.17.0",
     "@tanstack/react-query": "5.59.16",

packages/query/src/stacks/contract/contract.hooks.ts

@@ -1,7 +1,7 @@
 import type { TransactionPayload } from '@stacks/connect';
-import { ContractInterfaceFunction } from '@stacks/rpc-client';
 import { useQuery } from '@tanstack/react-query';
 
+import { ContractInterfaceFunction } from '../hiro-api-types';
 import { useStacksClient } from '../stacks-client';
 import { createGetContractInterfaceQueryOptions } from './contract.query';
 

packages/query/src/stacks/hiro-api-types.ts

@@ -1,4 +1,3 @@
-import { ContractInterfaceFunction } from '@stacks/rpc-client';
 import { ContractInterfaceResponse } from '@stacks/stacks-blockchain-api-types';
 import type { AddressTokenOfferingLocked } from '@stacks/stacks-blockchain-api-types/generated';
 
@@ -86,3 +85,23 @@ export interface NonFungibleTokenHoldingListResult {
     repr: string;
   };
 }
+
+// These types copied from `@stacks/rpc-client` package that is no longer
+// maintained. We define them here only to remove the package.
+/** @deprecated */
+interface BufferArg {
+  buffer: {
+    length: number;
+  };
+}
+/** @deprecated */
+export interface ContractInterfaceFunctionArg {
+  name: string;
+  type: string | BufferArg;
+}
+/** @deprecated */
+export interface ContractInterfaceFunction {
+  name: string;
+  access: 'public' | 'private' | 'read_only';
+  args: ContractInterfaceFunctionArg[];
+}