scripted-diff: test: rename FromHex to from_hex

-BEGIN VERIFY SCRIPT-
sed -i 's/\<FromHex\>/from_hex/g' $(git grep -l FromHex)
-END VERIFY SCRIPT-

Co-authored-by: MarcoFalke <falke.marco@gmail.com>

test/functional/feature_utxo_set_hash.py

@@ -9,7 +9,7 @@ import struct
 from test_framework.messages import (
     CBlock,
     COutPoint,
-    FromHex,
+    from_hex,
 )
 from test_framework.muhash import MuHash3072
 from test_framework.test_framework import BitcoinTestFramework
@@ -32,13 +32,13 @@ class UTXOSetHashTest(BitcoinTestFramework):
         # Generate 100 blocks and remove the first since we plan to spend its
         # coinbase
         block_hashes = wallet.generate(1) + node.generate(99)
-        blocks = list(map(lambda block: FromHex(CBlock(), node.getblock(block, False)), block_hashes))
+        blocks = list(map(lambda block: from_hex(CBlock(), node.getblock(block, False)), block_hashes))
         blocks.pop(0)
 
         # Create a spending transaction and mine a block which includes it
         txid = wallet.send_self_transfer(from_node=node)['txid']
         tx_block = node.generateblock(output=wallet.get_address(), transactions=[txid])
-        blocks.append(FromHex(CBlock(), node.getblock(tx_block['hash'], False)))
+        blocks.append(from_hex(CBlock(), node.getblock(tx_block['hash'], False)))
 
         # Serialize the outputs that should be in the UTXO set and add them to
         # a MuHash object

test/functional/p2p_compactblocks.py

@@ -26,7 +26,7 @@ from test_framework.messages import (
     CTxIn,
     CTxInWitness,
     CTxOut,
-    FromHex,
+    from_hex,
     HeaderAndShortIDs,
     MSG_BLOCK,
     MSG_CMPCT_BLOCK,
@@ -321,7 +321,7 @@ class CompactBlocksTest(BitcoinTestFramework):
         block_hash = int(node.generate(1)[0], 16)
 
         # Store the raw block in our internal format.
-        block = FromHex(CBlock(), node.getblock("%064x" % block_hash, False))
+        block = from_hex(CBlock(), node.getblock("%064x" % block_hash, False))
         for tx in block.vtx:
             tx.calc_sha256()
         block.rehash()
@@ -614,7 +614,7 @@ class CompactBlocksTest(BitcoinTestFramework):
         current_height = chain_height
         while (current_height >= chain_height - MAX_GETBLOCKTXN_DEPTH):
             block_hash = node.getblockhash(current_height)
-            block = FromHex(CBlock(), node.getblock(block_hash, False))
+            block = from_hex(CBlock(), node.getblock(block_hash, False))
 
             msg = msg_getblocktxn()
             msg.block_txn_request = BlockTransactionsRequest(int(block_hash, 16), [])

test/functional/p2p_dos_header_tree.py

@@ -6,7 +6,7 @@
 
 from test_framework.messages import (
     CBlockHeader,
-    FromHex,
+    from_hex,
 )
 from test_framework.p2p import (
     P2PInterface,
@@ -42,8 +42,8 @@ class RejectLowDifficultyHeadersTest(BitcoinTestFramework):
         self.headers = [l for l in h_lines if not l.startswith(FORK_PREFIX)]
         self.headers_fork = [l[len(FORK_PREFIX):] for l in h_lines if l.startswith(FORK_PREFIX)]
 
-        self.headers = [FromHex(CBlockHeader(), h) for h in self.headers]
-        self.headers_fork = [FromHex(CBlockHeader(), h) for h in self.headers_fork]
+        self.headers = [from_hex(CBlockHeader(), h) for h in self.headers]
+        self.headers_fork = [from_hex(CBlockHeader(), h) for h in self.headers_fork]
 
         self.log.info("Feed all non-fork headers, including and up to the first checkpoint")
         peer_checkpoint = self.nodes[0].add_p2p_connection(P2PInterface())

test/functional/rpc_blockchain.py

@@ -31,7 +31,7 @@ from test_framework.blocktools import (
 )
 from test_framework.messages import (
     CBlockHeader,
-    FromHex,
+    from_hex,
     msg_block,
 )
 from test_framework.p2p import P2PInterface
@@ -314,7 +314,7 @@ class BlockchainTest(BitcoinTestFramework):
         header_hex = node.getblockheader(blockhash=besthash, verbose=False)
         assert_is_hex_string(header_hex)
 
-        header = FromHex(CBlockHeader(), header_hex)
+        header = from_hex(CBlockHeader(), header_hex)
         header.calc_sha256()
         assert_equal(header.hash, besthash)
 

test/functional/rpc_txoutproof.py

@@ -7,7 +7,7 @@
 from test_framework.blocktools import COINBASE_MATURITY
 from test_framework.messages import (
     CMerkleBlock,
-    FromHex,
+    from_hex,
 )
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
@@ -94,7 +94,7 @@ class MerkleBlockTest(BitcoinTestFramework):
         assert txid1 in self.nodes[0].verifytxoutproof(proof)
         assert txid2 in self.nodes[1].verifytxoutproof(proof)
 
-        tweaked_proof = FromHex(CMerkleBlock(), proof)
+        tweaked_proof = from_hex(CMerkleBlock(), proof)
 
         # Make sure that our serialization/deserialization is working
         assert txid1 in self.nodes[0].verifytxoutproof(tweaked_proof.serialize().hex())

test/functional/test_framework/messages.py

@@ -191,14 +191,14 @@ def ser_string_vector(l):
 
 
 # Deserialize from a hex string representation (eg from RPC)
-def FromHex(obj, hex_string):
+def from_hex(obj, hex_string):
     obj.deserialize(BytesIO(hex_str_to_bytes(hex_string)))
     return obj
 
 
 def tx_from_hex(hex_string):
     """Deserialize from hex string to a transaction object"""
-    return FromHex(CTransaction(), hex_string)
+    return from_hex(CTransaction(), hex_string)
 
 
 # Objects that map to bitcoind objects, which can be serialized/deserialized