scripted-diff: Use generate* from TestFramework

-BEGIN VERIFY SCRIPT-
 sed --regexp-extended -i \
     's/((self\.)?(nodes\[[^]]+\]|[a-z_]*(wallet|node)[0-9a-z_]*))\.(generate(|toaddress|block|todescriptor)(\(|, ))/self.\5\1, /g' \
     $(git grep -l generate ./test | grep -v 'test_framework/' | grep -v 'feature_rbf')
-END VERIFY SCRIPT-

test/functional/rpc_createmultisig.py

@@ -45,7 +45,7 @@ class RpcCreateMultiSigTest(BitcoinTestFramework):
         self.check_addmultisigaddress_errors()
 
         self.log.info('Generating blocks ...')
-        node0.generate(149)
+        self.generate(node0, 149)
         self.sync_all()
 
         self.moved = 0
@@ -116,7 +116,7 @@ class RpcCreateMultiSigTest(BitcoinTestFramework):
 
     def checkbalances(self):
         node0, node1, node2 = self.nodes
-        node0.generate(COINBASE_MATURITY)
+        self.generate(node0, COINBASE_MATURITY)
         self.sync_all()
 
         bal0 = node0.getbalance()
@@ -179,7 +179,7 @@ class RpcCreateMultiSigTest(BitcoinTestFramework):
         value = tx["vout"][vout]["value"]
         prevtxs = [{"txid": txid, "vout": vout, "scriptPubKey": scriptPubKey, "redeemScript": mredeem, "amount": value}]
 
-        node0.generate(1)
+        self.generate(node0, 1)
 
         outval = value - decimal.Decimal("0.00001000")
         rawtx = node2.createrawtransaction([{"txid": txid, "vout": vout}], [{self.final: outval}])
@@ -215,7 +215,7 @@ class RpcCreateMultiSigTest(BitcoinTestFramework):
 
         self.moved += outval
         tx = node0.sendrawtransaction(rawtx3["hex"], 0)
-        blk = node0.generate(1)[0]
+        blk = self.generate(node0, 1)[0]
         assert tx in node0.getblock(blk)["tx"]
 
         txinfo = node0.getrawtransaction(tx, True, blk)