test: use MiniWallet for mining_basic.py

This test can now be run even with the Bitcoin Core wallet disabled.

Author: theStack

test/functional/mining_basic.py

@@ -29,6 +29,8 @@
     assert_equal,
     assert_raises_rpc_error,
 )
+from test_framework.wallet import MiniWallet
+
 
 VERSIONBITS_TOP_BITS = 0x20000000
 VERSIONBITS_DEPLOYMENT_TESTDUMMY_BIT = 28
@@ -51,14 +53,11 @@ def set_test_params(self):
         self.setup_clean_chain = True
         self.supports_cli = False
 
-    def skip_test_if_missing_module(self):
-        self.skip_if_no_wallet()
-
     def mine_chain(self):
         self.log.info('Create some old blocks')
         for t in range(TIME_GENESIS_BLOCK, TIME_GENESIS_BLOCK + 200 * 600, 600):
             self.nodes[0].setmocktime(t)
-            self.generate(self.nodes[0], 1, sync_fun=self.no_op)
+            self.generate(self.wallet, 1, sync_fun=self.no_op)
         mining_info = self.nodes[0].getmininginfo()
         assert_equal(mining_info['blocks'], 200)
         assert_equal(mining_info['currentblocktx'], 0)
@@ -75,8 +74,9 @@ def mine_chain(self):
         self.connect_nodes(0, 1)
 
     def run_test(self):
-        self.mine_chain()
         node = self.nodes[0]
+        self.wallet = MiniWallet(node)
+        self.mine_chain()
 
         def assert_submitblock(block, result_str_1, result_str_2=None):
             block.solve()
@@ -95,7 +95,7 @@ def assert_submitblock(block, result_str_1, result_str_2=None):
         assert_equal(mining_info['pooledtx'], 0)
 
         self.log.info("getblocktemplate: Test default witness commitment")
-        txid = int(node.sendtoaddress(node.getnewaddress(), 1), 16)
+        txid = int(self.wallet.send_self_transfer(from_node=node)['wtxid'], 16)
         tmpl = node.getblocktemplate(NORMAL_GBT_REQUEST_PARAMS)
 
         # Check that default_witness_commitment is present.