test: remove redundant blocks generation logic

those tests already have enough mature utxos from the pre-mined chain.

test/functional/feature_bip68_sequence.py

@@ -63,9 +63,6 @@ class BIP68Test(BitcoinTestFramework):
         self.relayfee = self.nodes[0].getnetworkinfo()["relayfee"]
         self.wallet = MiniWallet(self.nodes[0])
 
-        # Generate some coins
-        self.generate(self.wallet, 110)
-
         self.log.info("Running test disable flag")
         self.test_disable_flag()
 

test/functional/interface_usdt_utxocache.py

@@ -144,7 +144,6 @@ class UTXOCacheTracepointTest(BitcoinTestFramework):
 
     def run_test(self):
         self.wallet = MiniWallet(self.nodes[0])
-        self.generate(self.wallet, 101)
 
         self.test_uncache()
         self.test_add_spent()

test/functional/mining_getblocktemplate_longpoll.py

@@ -8,7 +8,6 @@ from decimal import Decimal
 import random
 import threading
 
-from test_framework.blocktools import COINBASE_MATURITY
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import get_rpc_proxy
 from test_framework.wallet import MiniWallet
@@ -62,9 +61,6 @@ class GetBlockTemplateLPTest(BitcoinTestFramework):
         thr.join(5)  # wait 5 seconds or until thread exits
         assert not thr.is_alive()
 
-        # Add enough mature utxos to the wallets, so that all txs spend confirmed coins
-        self.generate(self.nodes[0], COINBASE_MATURITY)
-
         self.log.info("Test that introducing a new transaction into the mempool will terminate the longpoll")
         thr = LongpollThread(self.nodes[0])
         thr.start()

test/functional/p2p_feefilter.py

@@ -6,7 +6,6 @@
 
 from decimal import Decimal
 
-from test_framework.blocktools import COINBASE_MATURITY
 from test_framework.messages import MSG_TX, MSG_WTX, msg_feefilter
 from test_framework.p2p import P2PInterface, p2p_lock
 from test_framework.test_framework import BitcoinTestFramework
@@ -80,9 +79,6 @@ class FeeFilterTest(BitcoinTestFramework):
         node1 = self.nodes[1]
         node0 = self.nodes[0]
         miniwallet = MiniWallet(node1)
-        # Add enough mature utxos to the wallet, so that all txs spend confirmed coins
-        self.generate(miniwallet, 5)
-        self.generate(node1, COINBASE_MATURITY)
 
         conn = self.nodes[0].add_p2p_connection(TestP2PConn())
 

test/functional/p2p_leak_tx.py

@@ -4,7 +4,6 @@
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 """Test that we don't leak txs to inbound peers that we haven't yet announced to"""
 
-from test_framework.blocktools import COINBASE_MATURITY
 from test_framework.messages import msg_getdata, CInv, MSG_TX
 from test_framework.p2p import p2p_lock, P2PDataStore
 from test_framework.test_framework import BitcoinTestFramework
@@ -26,9 +25,6 @@ class P2PLeakTxTest(BitcoinTestFramework):
     def run_test(self):
         gen_node = self.nodes[0]  # The block and tx generating node
         miniwallet = MiniWallet(gen_node)
-        # Add enough mature utxos to the wallet, so that all txs spend confirmed coins
-        self.generate(miniwallet, 1)
-        self.generate(gen_node, COINBASE_MATURITY)
 
         inbound_peer = self.nodes[0].add_p2p_connection(P2PNode())  # An "attacking" inbound peer