Add EIP150 config and processing conditional #413

Author: konradkonrad

ethereum/config.py

@@ -63,6 +63,9 @@
     DAO_FORK_BLKNUM=1920000,
     CHILD_DAO_LIST=map(utils.normalize_address, child_dao_list),
     DAO_WITHDRAWER=utils.normalize_address('0xbf4ed7b27f1d666546e30d74d50d173d20bca754'),
+    # Anti-DoS fork
+    ANTI_DOS_FORK_BLKNUM=2457000,
+    CLEARING_FORK_BLKNUM=2 ** 98,
 )
 assert default_config['NEPHEW_REWARD'] == \
     default_config['BLOCK_REWARD'] // 32

ethereum/processblock.py

@@ -249,6 +249,7 @@ def __init__(self, block, tx):
         self.msg = lambda msg: _apply_msg(self, msg, self.get_code(msg.code_address))
         self.account_exists = block.account_exists
         self.post_homestead_hardfork = lambda: block.number >= block.config['HOMESTEAD_FORK_BLKNUM']
+        self.post_anti_dos_hardfork = lambda: block.number >= block.config['ANTI_DOS_FORK_BLKNUM']
 
 
 def apply_msg(ext, msg):