scripted-diff: Use blocks_path where possible

-BEGIN VERIFY SCRIPT-
  sed -i 's|].chain_path / "blocks"|].blocks_path|g' $(git grep -l chain_path)
-END VERIFY SCRIPT-

test/functional/feature_abortnode.py

@@ -25,7 +25,7 @@ class AbortNodeTest(BitcoinTestFramework):
         self.generate(self.nodes[0], 3, sync_fun=self.no_op)
 
         # Deleting the undo file will result in reorg failure
-        (self.nodes[0].chain_path / "blocks" / "rev00000.dat").unlink()
+        (self.nodes[0].blocks_path / "rev00000.dat").unlink()
 
         # Connecting to a node with a more work chain will trigger a reorg
         # attempt.

test/functional/feature_dirsymlinks.py

@@ -26,7 +26,7 @@ class SymlinkTest(BitcoinTestFramework):
         self.stop_node(0)
 
         rename_and_link(
-            from_name=self.nodes[0].chain_path / "blocks",
+            from_name=self.nodes[0].blocks_path,
             to_name=dir_new_blocks,
         )
         rename_and_link(

test/functional/feature_loadblock.py

@@ -37,7 +37,7 @@ class LoadblockTest(BitcoinTestFramework):
         cfg_file = os.path.join(data_dir, "linearize.cfg")
         bootstrap_file = os.path.join(self.options.tmpdir, "bootstrap.dat")
         genesis_block = self.nodes[0].getblockhash(0)
-        blocks_dir = self.nodes[0].chain_path / "blocks"
+        blocks_dir = self.nodes[0].blocks_path
         hash_list = tempfile.NamedTemporaryFile(dir=data_dir,
                                                 mode='w',
                                                 delete=False,

test/functional/feature_reindex.py

@@ -38,7 +38,7 @@ class ReindexTest(BitcoinTestFramework):
         # In this test environment, blocks will always be in order (since
         # we're generating them rather than getting them from peers), so to
         # test out-of-order handling, swap blocks 1 and 2 on disk.
-        blk0 = self.nodes[0].chain_path / "blocks" / "blk00000.dat"
+        blk0 = self.nodes[0].blocks_path / "blk00000.dat"
         with open(blk0, 'r+b') as bf:
             # Read at least the first few blocks (including genesis)
             b = bf.read(2000)

test/functional/feature_remove_pruned_files_on_startup.py

@@ -20,10 +20,10 @@ class FeatureRemovePrunedFilesOnStartupTest(BitcoinTestFramework):
         self.sync_blocks()
 
     def run_test(self):
-        blk0 = self.nodes[0].chain_path / "blocks" / "blk00000.dat"
-        rev0 = self.nodes[0].chain_path / "blocks" / "rev00000.dat"
-        blk1 = self.nodes[0].chain_path / "blocks" / "blk00001.dat"
-        rev1 = self.nodes[0].chain_path / "blocks" / "rev00001.dat"
+        blk0 = self.nodes[0].blocks_path / "blk00000.dat"
+        rev0 = self.nodes[0].blocks_path / "rev00000.dat"
+        blk1 = self.nodes[0].blocks_path / "blk00001.dat"
+        rev1 = self.nodes[0].blocks_path / "rev00001.dat"
         self.mine_batches(800)
         fo1 = os.open(blk0, os.O_RDONLY)
         fo2 = os.open(rev1, os.O_RDONLY)

test/functional/feature_unsupported_utxo_db.py

@@ -40,9 +40,9 @@ class UnsupportedUtxoDbTest(BitcoinTestFramework):
 
         self.log.info("Check init error")
         legacy_utxos_dir = self.nodes[0].chain_path / "chainstate"
-        legacy_blocks_dir = self.nodes[0].chain_path / "blocks"
+        legacy_blocks_dir = self.nodes[0].blocks_path
         recent_utxos_dir = self.nodes[1].chain_path / "chainstate"
-        recent_blocks_dir = self.nodes[1].chain_path / "blocks"
+        recent_blocks_dir = self.nodes[1].blocks_path
         shutil.copytree(legacy_utxos_dir, recent_utxos_dir)
         shutil.copytree(legacy_blocks_dir, recent_blocks_dir)
         self.nodes[1].assert_start_raises_init_error(

test/functional/rpc_blockchain.py

@@ -577,8 +577,8 @@ class BlockchainTest(BitcoinTestFramework):
         self.log.info("Test that getblock with verbosity 2 and 3 still works with pruned Undo data")
 
         def move_block_file(old, new):
-            old_path = self.nodes[0].chain_path / "blocks" / old
-            new_path = self.nodes[0].chain_path / "blocks" / new
+            old_path = self.nodes[0].blocks_path / old
+            new_path = self.nodes[0].blocks_path / new
             old_path.rename(new_path)
 
         # Move instead of deleting so we can restore chain state afterwards