Incomplete Maxcoin support: MerkleRootMismatch.

Abe/Chain.py

@@ -20,7 +20,7 @@
 import util
 
 def create(policy, **kwargs):
-    #print "create(%s, %r)" % (policy, kwargs)
+    # XXX It's about time to interpret policy as a module name.
     if policy in [None, "Bitcoin"]: return Bitcoin(**kwargs)
     if policy == "Testnet":         return Testnet(**kwargs)
     if policy == "Namecoin":        return Namecoin(**kwargs)
@@ -30,6 +30,8 @@ def create(policy, **kwargs):
     if policy == "Hirocoin":        return Hirocoin(**kwargs)
     if policy == "X11":             return X11Chain(**kwargs)
     if policy == "Bitleu":          return Bitleu(**kwargs)
+    if policy == "Keccak":          return KeccakChain(**kwargs)
+    if policy == "Maxcoin":         return Maxcoin(**kwargs)
     return Sha256NmcAuxPowChain(**kwargs)
 
 
@@ -391,3 +393,26 @@ def __init__(chain, **kwargs):
     datadir_conf_file_name = "Bitleu.conf"
     datadir_rpcport = 7997
     start_time = 1394480376
+
+def _double_sha3_256(s):
+    import hashlib
+    import sys
+    if sys.version_info < (3, 4):
+        import sha3
+    return hashlib.sha3_256(hashlib.sha3_256(s).digest()).digest()
+
+class KeccakChain(Chain):
+    def block_header_hash(chain, header):
+        return _double_sha3_256(header)
+
+class Maxcoin(KeccakChain):
+    def __init__(chain, **kwargs):
+        chain.name = 'Maxcoin'
+        chain.code3 = 'MAX'
+        chain.address_version = '\x6e'
+        chain.script_addr_vers = '\x70'
+        chain.magic = "\xf9\xbe\xbb\xd2"
+        Chain.__init__(chain, **kwargs)
+
+    datadir_conf_file_name = 'maxcoin.conf'
+    datadir_rpcport = 8669

Abe/DataStore.py

@@ -78,6 +78,7 @@
     {"chain":"Anoncoin","code3":"ANC", "address_version":"\u0017", "magic":"\xFA\xCA\xBA\xDA" },
     {"chain":"Hirocoin"},
     {"chain":"Bitleu"},
+    {"chain":"Maxcoin"},
     #{"chain":"",
     # "code3":"", "address_version":"\x", "magic":""},
     ]

Abe/genesis_tx.py

@@ -45,6 +45,10 @@ def get(tx_hash_hex):
     if tx_hash_hex == "30cbad942f9fe09d06cabc91773860a827f3625a72eb2ae830c2c8844ffb6de2":
         return "01000000f8141e53010000000000000000000000000000000000000000000000000000000000000000ffffffff1904ffff001d020f27104269746c65752072656c61756e63682effffffff0100000000000000000000000000"
 
+    # Maxcoin
+    if tx_hash_hex == "f8cc3b46c273a488c318dc7d98cc053494af2871e495e17f5c7c246055e46af3":  # XXX not sure that's right
+        return "01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff3c04ffff001d01043453686170652d7368696674696e6720736f66747761726520646566656e647320616761696e737420626f746e6574206861636b73ffffffff010065cd1d00000000434104678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5fac00000000"
+
     # Extract your chain's genesis transaction data from the first
     # block file and add it here, or better yet, patch your coin's
     # getrawtransaction to return it on request:

README.md

@@ -47,6 +47,11 @@ README-SCRYPT.txt).
 Hirocoin (and any other X11) support depends on the xcoin_hash module
 available from https://github.com/evan82/xcoin-hash.
 
+Bitleu (a Scrypt-Jane coin) depends on the yac_scrypt module.
+
+Copperlark (a Keccak coin) depends on the sha3 module available via
+"easy_install pysha3".
+
 License
 -------