fix tests (follow-up previous commit)

electrum/lnbase.py

@@ -28,7 +28,7 @@ from .lnutil import (Outpoint, LocalConfig, ChannelConfig,
                      funding_output_script, get_per_commitment_secret_from_seed,
                      secret_to_pubkey, LNPeerAddr, PaymentFailure, LnLocalFeatures,
                      LOCAL, REMOTE, HTLCOwner, generate_keypair, LnKeyFamily,
-                     get_ln_flag_pair_of_bit)
+                     get_ln_flag_pair_of_bit, privkey_to_pubkey)
 from .lnutil import LightningPeerConnectionClosed, HandshakeFailed
 from .lnrouter import NotFoundChanAnnouncementForUpdate, RouteEdge
 

electrum/lntransport.py

@@ -3,7 +3,7 @@ import hashlib
 import cryptography.hazmat.primitives.ciphers.aead as AEAD
 
 from .crypto import sha256
-from .lnutil import get_ecdh
+from .lnutil import get_ecdh, privkey_to_pubkey
 from .lnutil import LightningPeerConnectionClosed, HandshakeFailed
 from . import ecc
 
@@ -71,8 +71,6 @@ def act1_initiator_message(hs, epriv, epub):
     assert len(msg) == 50
     return msg
 
-def privkey_to_pubkey(priv: bytes) -> bytes:
-    return ecc.ECPrivkey(priv[:32]).get_public_key_bytes()
 
 def create_ephemeral_key() -> (bytes, bytes):
     privkey = ecc.ECPrivkey.generate_random_key()

electrum/lnutil.py

@@ -162,6 +162,9 @@ def secret_to_pubkey(secret: int) -> bytes:
     assert type(secret) is int
     return ecc.ECPrivkey.from_secret_scalar(secret).get_public_key_bytes(compressed=True)
 
+def privkey_to_pubkey(priv: bytes) -> bytes:
+    return ecc.ECPrivkey(priv[:32]).get_public_key_bytes()
+
 def derive_pubkey(basepoint: bytes, per_commitment_point: bytes) -> bytes:
     p = ecc.ECPubkey(basepoint) + ecc.generator() * ecc.string_to_number(sha256(per_commitment_point + basepoint))
     return p.get_public_key_bytes()

electrum/tests/test_lnchan.py

@@ -88,8 +88,8 @@ def create_test_channels(feerate=6000, local=None, remote=None):
     remote_amount = remote if remote is not None else (funding_sat * 1000 // 2)
     alice_raw = [ bip32("m/" + str(i)) for i in range(5) ]
     bob_raw = [ bip32("m/" + str(i)) for i in range(5,11) ]
-    alice_privkeys = [lnutil.Keypair(lnbase.privkey_to_pubkey(x), x) for x in alice_raw]
-    bob_privkeys = [lnutil.Keypair(lnbase.privkey_to_pubkey(x), x) for x in bob_raw]
+    alice_privkeys = [lnutil.Keypair(lnutil.privkey_to_pubkey(x), x) for x in alice_raw]
+    bob_privkeys = [lnutil.Keypair(lnutil.privkey_to_pubkey(x), x) for x in bob_raw]
     alice_pubkeys = [lnutil.OnlyPubkeyKeypair(x.pubkey) for x in alice_privkeys]
     bob_pubkeys = [lnutil.OnlyPubkeyKeypair(x.pubkey) for x in bob_privkeys]