AaronFiore/electrum
1
0
Fork 0
Code Activity

lnbase: verification of new local commitment working

Browse Source
This commit is contained in:
Janus
2018-04-25 14:20:42 +02:00
committed by ThomasV
parent e264a21c64
commit e98f23c4ed
2 changed files with 6 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
lib/lnbase.py
View File

@@ -886,8 +886,8 @@ class Peer(PrintError):
local_next_per_commitment_secret,
byteorder="big"))
remote_revocation_pubkey = derive_blinded_pubkey(remote_revocation_basepoint, remote_next_commitment_point)
remote_htlc_pubkey = derive_pubkey(remote_htlc_basepoint, remote_next_commitment_point)
remote_revocation_pubkey = derive_blinded_pubkey(remote_revocation_basepoint, local_next_per_commitment_point)
remote_htlc_pubkey = derive_pubkey(remote_htlc_basepoint, local_next_per_commitment_point)
local_htlc_pubkey = derive_pubkey(local_htlc_basepoint, local_next_per_commitment_point)
payment_hash = self.unfulfilled_htlcs[0]["payment_hash"]
cltv_expiry = int.from_bytes(self.unfulfilled_htlcs[0]["cltv_expiry"],"big")
@@ -896,10 +896,9 @@ class Peer(PrintError):
local_ctx_args = local_ctx_args._replace(remote_amount = local_ctx_args.remote_amount - expected_received_sat)
local_ctx_args = local_ctx_args._replace(ctn = local_next_commitment_number)
local_ctx_args = local_ctx_args._replace(remote_revocation_pubkey = remote_revocation_pubkey)
local_ctx_args = local_ctx_args._replace(remotepubkey = derive_pubkey(local_ctx_args.remote_payment_basepoint, remote_next_commitment_point))
local_ctx_args = local_ctx_args._replace(remotepubkey = derive_pubkey(local_ctx_args.remote_payment_basepoint, local_next_per_commitment_point))
local_ctx_args = local_ctx_args._replace(local_delayedpubkey = derive_pubkey(delayed_payment_basepoint, local_next_per_commitment_point))
# make_received_htlc(revocation_pubkey, remote_htlcpubkey, local_htlcpubkey, payment_hash, cltv_expiry)
htlcs = [
(
make_received_htlc(remote_revocation_pubkey, remote_htlc_pubkey, local_htlc_pubkey, payment_hash, cltv_expiry),
@@ -909,10 +908,6 @@ class Peer(PrintError):
new_commitment = make_commitment(*local_ctx_args, htlcs=htlcs)
preimage_hex = new_commitment.serialize_preimage(0)
print("new commitment tx", new_commitment)
print("new commitment tx outputs", new_commitment.outputs())
for idx, output in enumerate(new_commitment.outputs()):
print("output {}: ".format(idx), bitcoin.address_to_script(output[1] ))
pre_hash = bitcoin.Hash(bfh(preimage_hex))
if not bitcoin.verify_signature(remote_funding_pubkey, commitment_signed_msg["signature"], pre_hash):
raise Exception('failed verifying signature of updated commitment transaction')