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do not duplicate ctn in channel log and config

This commit is contained in:
ThomasV
2019-03-07 12:44:22 +01:00
parent 8d28188d24
commit 82491ff083
2 changed files with 27 additions and 26 deletions

View File

@@ -3,19 +3,19 @@ from .lnutil import SENT, RECEIVED, LOCAL, REMOTE, HTLCOwner, UpdateAddHtlc, Dir
from .util import bh2u
class HTLCManager:
def __init__(self, log=None):
def __init__(self, local_ctn=0, remote_ctn=0, log=None):
self.ctn = {LOCAL:local_ctn, REMOTE: remote_ctn}
self.expect_sig = {SENT: False, RECEIVED: False}
if log is None:
initial = {'ctn': 0, 'adds': {}, 'locked_in': {}, 'settles': {}, 'fails': {}}
initial = {'adds': {}, 'locked_in': {}, 'settles': {}, 'fails': {}}
log = {LOCAL: deepcopy(initial), REMOTE: deepcopy(initial)}
else:
assert type(log) is dict
log = {HTLCOwner(int(x)): y for x, y in deepcopy(log).items()}
# log[sub]['ctn'] is the ctn for the oldest unrevoked ctx of sub
# self.ctn[sub] is the ctn for the oldest unrevoked ctx of sub
for sub in (LOCAL, REMOTE):
log[sub]['adds'] = {int(x): UpdateAddHtlc(*y) for x, y in log[sub]['adds'].items()}
coerceHtlcOwner2IntMap = lambda x: {HTLCOwner(int(y)): z for y, z in x.items()}
# "side who offered htlc" -> action -> htlc_id -> whose ctx -> ctn
log[sub]['locked_in'] = {int(x): coerceHtlcOwner2IntMap(y) for x, y in log[sub]['locked_in'].items()}
log[sub]['settles'] = {int(x): coerceHtlcOwner2IntMap(y) for x, y in log[sub]['settles'].items()}
@@ -37,47 +37,47 @@ class HTLCManager:
adds = self.log[LOCAL]['adds']
assert type(adds) is not str
adds[htlc_id] = htlc
self.log[LOCAL]['locked_in'][htlc_id] = {LOCAL: None, REMOTE: self.log[REMOTE]['ctn']+1}
self.log[LOCAL]['locked_in'][htlc_id] = {LOCAL: None, REMOTE: self.ctn[REMOTE]+1}
self.expect_sig[SENT] = True
return htlc
def recv_htlc(self, htlc):
htlc_id = htlc.htlc_id
self.log[REMOTE]['adds'][htlc_id] = htlc
l = self.log[REMOTE]['locked_in'][htlc_id] = {LOCAL: self.log[LOCAL]['ctn']+1, REMOTE: None}
l = self.log[REMOTE]['locked_in'][htlc_id] = {LOCAL: self.ctn[LOCAL]+1, REMOTE: None}
self.expect_sig[RECEIVED] = True
def send_ctx(self):
next_ctn = self.log[REMOTE]['ctn'] + 1
next_ctn = self.ctn[REMOTE] + 1
for locked_in in self.log[REMOTE]['locked_in'].values():
if locked_in[REMOTE] is None:
locked_in[REMOTE] = next_ctn
self.expect_sig[SENT] = False
def recv_ctx(self):
next_ctn = self.log[LOCAL]['ctn'] + 1
next_ctn = self.ctn[LOCAL] + 1
for locked_in in self.log[LOCAL]['locked_in'].values():
if locked_in[LOCAL] is None:
locked_in[LOCAL] = next_ctn
self.expect_sig[RECEIVED] = False
def send_rev(self):
self.log[LOCAL]['ctn'] += 1
self.ctn[LOCAL] += 1
for htlc_id, ctns in self.log[LOCAL]['settles'].items():
if ctns[REMOTE] is None:
ctns[REMOTE] = self.log[REMOTE]['ctn'] + 1
ctns[REMOTE] = self.ctn[REMOTE] + 1
def recv_rev(self):
self.log[REMOTE]['ctn'] += 1
self.ctn[REMOTE] += 1
did_set_htlc_height = False
for htlc_id, ctns in self.log[LOCAL]['locked_in'].items():
if ctns[LOCAL] is None:
did_set_htlc_height = True
assert ctns[REMOTE] == self.log[REMOTE]['ctn']
ctns[LOCAL] = self.log[LOCAL]['ctn'] + 1
assert ctns[REMOTE] == self.ctn[REMOTE]
ctns[LOCAL] = self.ctn[LOCAL] + 1
for htlc_id, ctns in self.log[REMOTE]['settles'].items():
if ctns[LOCAL] is None:
ctns[LOCAL] = self.log[LOCAL]['ctn'] + 1
ctns[LOCAL] = self.ctn[LOCAL] + 1
return did_set_htlc_height
def htlcs_by_direction(self, subject, direction, ctn=None):
@@ -87,7 +87,7 @@ class HTLCManager:
assert type(subject) is HTLCOwner
assert type(direction) is Direction
if ctn is None:
ctn = self.log[subject]['ctn']
ctn = self.ctn[subject]
l = []
if direction == SENT and subject == LOCAL:
party = LOCAL
@@ -113,7 +113,7 @@ class HTLCManager:
def htlcs(self, subject, ctn=None):
assert type(subject) is HTLCOwner
if ctn is None:
ctn = self.log[subject]['ctn']
ctn = self.ctn[subject]
l = []
l += [(SENT, x) for x in self.htlcs_by_direction(subject, SENT, ctn)]
l += [(RECEIVED, x) for x in self.htlcs_by_direction(subject, RECEIVED, ctn)]
@@ -121,24 +121,24 @@ class HTLCManager:
def current_htlcs(self, subject):
assert type(subject) is HTLCOwner
ctn = self.log[subject]['ctn']
ctn = self.ctn[subject]
return self.htlcs(subject, ctn)
def pending_htlcs(self, subject):
assert type(subject) is HTLCOwner
ctn = self.log[subject]['ctn'] + 1
ctn = self.ctn[subject] + 1
return self.htlcs(subject, ctn)
def send_settle(self, htlc_id):
self.log[REMOTE]['settles'][htlc_id] = {LOCAL: None, REMOTE: self.log[REMOTE]['ctn'] + 1}
self.log[REMOTE]['settles'][htlc_id] = {LOCAL: None, REMOTE: self.ctn[REMOTE] + 1}
def recv_settle(self, htlc_id):
self.log[LOCAL]['settles'][htlc_id] = {LOCAL: self.log[LOCAL]['ctn'] + 1, REMOTE: None}
self.log[LOCAL]['settles'][htlc_id] = {LOCAL: self.ctn[LOCAL] + 1, REMOTE: None}
def settled_htlcs_by(self, subject, ctn=None):
assert type(subject) is HTLCOwner
if ctn is None:
ctn = self.log[subject]['ctn']
ctn = self.ctn[subject]
d = []
for htlc_id, ctns in self.log[subject]['settles'].items():
if ctns[subject] <= ctn:
@@ -148,7 +148,7 @@ class HTLCManager:
def settled_htlcs(self, subject, ctn=None):
assert type(subject) is HTLCOwner
if ctn is None:
ctn = self.log[subject]['ctn']
ctn = self.ctn[subject]
sent = [(SENT, x) for x in self.settled_htlcs_by(subject, ctn)]
other = subject.inverted()
received = [(RECEIVED, x) for x in self.settled_htlcs_by(other, ctn)]
@@ -165,7 +165,7 @@ class HTLCManager:
if ctns[LOCAL] == ctn]
def send_fail(self, htlc_id):
self.log[REMOTE]['fails'][htlc_id] = self.log[REMOTE]['ctn'] + 1
self.log[REMOTE]['fails'][htlc_id] = self.ctn[REMOTE] + 1
def recv_fail(self, htlc_id):
self.log[LOCAL]['fails'][htlc_id] = self.log[LOCAL]['ctn'] + 1
self.log[LOCAL]['fails'][htlc_id] = self.ctn[LOCAL] + 1