Initial commit

.gitignore

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+*.pyc
+*.swp

Adding Bitcoin Vietnam and VBTC exchange #2166

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+# bitcoinwallet
+Adding Bitcoin Vietnam and VBTC exchange #2166

LICENSE

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+This code is public domain. Everyone has the right to do whatever they want
+with it for any purpose.
+
+In case your jurisdiction does not consider the above disclaimer valid or 
+enforceable, here's an MIT license for you:
+
+The MIT License (MIT)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

MANIFEST.in

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+include cryptos/english.txt
+include LICENSE
+include README.md

cryptos/__init__.py

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+from .blocks import *
+from .composite import *
+from .deterministic import *
+from .main import *
+from .mnemonic import *
+from .py2specials import *
+from .py3specials import *
+from .stealth import *
+from .transaction import *
+from .coins import *
+from .keystore import *
+from .wallet import *

cryptos/blocks.py

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+from .main import *
+
+
+def serialize_header(inp):
+    o = encode(inp['version'], 256, 4)[::-1] + \
+        inp['prevhash'].decode('hex')[::-1] + \
+        inp['merkle_root'].decode('hex')[::-1] + \
+        encode(inp['timestamp'], 256, 4)[::-1] + \
+        encode(inp['bits'], 256, 4)[::-1] + \
+        encode(inp['nonce'], 256, 4)[::-1]
+    h = bin_sha256(bin_sha256(o))[::-1].encode('hex')
+    assert h == inp['hash'], (sha256(o), inp['hash'])
+    return o.encode('hex')
+
+
+def deserialize_header(inp):
+    inp = inp.decode('hex')
+    return {
+        "version": decode(inp[:4][::-1], 256),
+        "prevhash": inp[4:36][::-1].encode('hex'),
+        "merkle_root": inp[36:68][::-1].encode('hex'),
+        "timestamp": decode(inp[68:72][::-1], 256),
+        "bits": decode(inp[72:76][::-1], 256),
+        "nonce": decode(inp[76:80][::-1], 256),
+        "hash": bin_sha256(bin_sha256(inp))[::-1].encode('hex')
+    }
+
+
+def mk_merkle_proof(header, hashes, index):
+    nodes = [safe_from_hex(h)[::-1] for h in hashes]
+    if len(nodes) % 2 and len(nodes) > 2:
+        nodes.append(nodes[-1])
+    layers = [nodes]
+    while len(nodes) > 1:
+        newnodes = []
+        for i in range(0, len(nodes) - 1, 2):
+            newnodes.append(bin_sha256(bin_sha256(nodes[i] + nodes[i+1])))
+        if len(newnodes) % 2 and len(newnodes) > 2:
+            newnodes.append(newnodes[-1])
+        nodes = newnodes
+        layers.append(nodes)
+    # Sanity check, make sure merkle root is valid
+    assert bytes_to_hex_string(nodes[0][::-1]) == header['merkle_root']
+    merkle_siblings = \
+        [layers[i][(index >> i) ^ 1] for i in range(len(layers)-1)]
+    return {
+        "hash": hashes[index],
+        "siblings": [bytes_to_hex_string(x[::-1]) for x in merkle_siblings],
+        "header": header
+    }

cryptos/coins/__init__.py

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+from .bitcoin import *
+from .bitcoin_cash import *
+from .bitcoin_gold import *
+from .dash import *
+from .dogecoin import *
+from .litecoin import *