Roll out the new boilerplate

hypercore_crypto/__init__.py

@@ -0,0 +1,25 @@
+"""hypercore-crypto module."""
+
+from hypercore_crypto.crypto import (  # noqa
+    blake2b,
+    data,
+    discovery_key,
+    encode_unsigned_int64,
+    leaf,
+    parent,
+    random_bytes,
+    sign,
+    tree,
+    verify,
+)
+
+try:
+    import pkg_resources
+except ImportError:
+    pass
+
+
+try:
+    __version__ = pkg_resources.get_distribution('hypercore_crypto').version
+except Exception:
+    __version__ = 'unknown'

hypercore_crypto/crypto.py

@@ -0,0 +1,69 @@
+"""Cryptography primitives for Hypercore."""
+
+from nacl.bindings import (
+    crypto_sign_keypair,
+    crypto_sign_PUBLICKEYBYTES,
+    crypto_sign_SECRETKEYBYTES,
+    crypto_sign_seed_keypair,
+)
+
+# https://en.wikipedia.org/wiki/Merkle_tree#Second_preimage_attack
+LEAF_TYPE = bytearray([0])
+PARENT_TYPE = bytearray([1])
+ROOT_TYPE = bytearray([2])
+HYPERCORE = bytearray('hypercore', encoding='utf-8')
+
+
+# TODO(decentral1se): don't forget to type this
+def key_pair(seed=None):
+    """The signed public/secret key length."""
+
+    public_key = bytearray(crypto_sign_PUBLICKEYBYTES)
+    secret_key = bytearray(crypto_sign_SECRETKEYBYTES)
+
+    if seed:
+        crypto_sign_seed_keypair(public_key, secret_key, seed)
+    else:
+        crypto_sign_keypair(public_key, secret_key)
+
+    return {'public-key': public_key, 'secret-key': secret_key}
+
+
+def sign():
+    pass
+
+
+def verify():
+    pass
+
+
+def data():
+    pass
+
+
+def leaf():
+    pass
+
+
+def parent():
+    pass
+
+
+def tree():
+    pass
+
+
+def random_bytes():
+    pass
+
+
+def discovery_key():
+    pass
+
+
+def encode_unsigned_int64():
+    pass
+
+
+def blake2b():
+    pass