test: refactor: Inline adjust_bitcoin_conf_for_pre_17

test/functional/feature_backwards_compatibility.py

@@ -26,7 +26,6 @@ from test_framework.test_framework import BitcoinTestFramework
 from test_framework.descriptors import descsum_create
 
 from test_framework.util import (
-    adjust_bitcoin_conf_for_pre_17,
     assert_equal,
     sync_blocks,
     sync_mempools,
@@ -60,8 +59,6 @@ class BackwardsCompatibilityTest(BitcoinTestFramework):
             170100,
             160300,
         ])
-        # adapt bitcoin.conf, because older bitcoind's don't recognize config sections
-        adjust_bitcoin_conf_for_pre_17(self.nodes[5].bitcoinconf)
 
         self.start_nodes()
 

test/functional/mempool_compatibility.py

@@ -16,9 +16,7 @@ Only v0.15.2 is required by this test. The rest is used in other backwards compa
 import os
 
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import (
+
-    adjust_bitcoin_conf_for_pre_17
-)
 
 class MempoolCompatibilityTest(BitcoinTestFramework):
     def set_test_params(self):
@@ -33,7 +31,6 @@ class MempoolCompatibilityTest(BitcoinTestFramework):
             150200, # oldest version supported by the test framework
             None,
         ])
-        adjust_bitcoin_conf_for_pre_17(self.nodes[0].bitcoinconf)
         self.start_nodes()
         self.import_deterministic_coinbase_privkeys()
 

test/functional/test_framework/test_framework.py

@@ -452,7 +452,7 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
         assert_equal(len(binary), num_nodes)
         assert_equal(len(binary_cli), num_nodes)
         for i in range(num_nodes):
-            self.nodes.append(TestNode(
+            test_node_i = TestNode(
                 i,
                 get_datadir_path(self.options.tmpdir, i),
                 chain=self.chain,
@@ -470,7 +470,15 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
                 start_perf=self.options.perf,
                 use_valgrind=self.options.valgrind,
                 descriptors=self.options.descriptors,
-            ))
+            )
+            self.nodes.append(test_node_i)
+            if not test_node_i.version_is_at_least(170000):
+                # adjust conf for pre 17
+                conf_file = test_node_i.bitcoinconf
+                with open(conf_file, 'r', encoding='utf8') as conf:
+                    conf_data = conf.read()
+                with open(conf_file, 'w', encoding='utf8') as conf:
+                    conf.write(conf_data.replace('[regtest]', ''))
 
     def start_node(self, i, *args, **kwargs):
         """Start a bitcoind"""

test/functional/test_framework/util.py

@@ -327,12 +327,6 @@ def initialize_datadir(dirname, n, chain):
         os.makedirs(os.path.join(datadir, 'stdout'), exist_ok=True)
     return datadir
 
-def adjust_bitcoin_conf_for_pre_17(conf_file):
-    with open(conf_file,'r', encoding='utf8') as conf:
-        conf_data = conf.read()
-    with open(conf_file, 'w', encoding='utf8') as conf:
-        conf_data_changed = conf_data.replace('[regtest]', '')
-        conf.write(conf_data_changed)
 
 def get_datadir_path(dirname, n):
     return os.path.join(dirname, "node" + str(n))

test/functional/wallet_upgradewallet.py

@@ -16,7 +16,6 @@ import shutil
 
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
-    adjust_bitcoin_conf_for_pre_17,
     assert_equal,
     assert_greater_than,
     assert_is_hex_string,
@@ -46,9 +45,6 @@ class UpgradeWalletTest(BitcoinTestFramework):
             160300,
             150200,
         ])
-        # adapt bitcoin.conf, because older bitcoind's don't recognize config sections
-        adjust_bitcoin_conf_for_pre_17(self.nodes[1].bitcoinconf)
-        adjust_bitcoin_conf_for_pre_17(self.nodes[2].bitcoinconf)
         self.start_nodes()
 
     def dumb_sync_blocks(self):