lukechilds
/
lightning
mirror of https://github.com/lukechilds/lightning.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Send/receive cltv_expiry_delta in open/accept channel. 

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
ppa-0.6.1
Rusty Russell 8 years ago
committed by Christian Decker
parent
2a28173891
commit
18e3f9820f
8 changed files with 58 additions and 25 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 2
      common/channel_config.h
  2. 12
      lightningd/peer_control.c
  3. 2
      lightningd/peer_htlcs.c
  4. 1
      lightningd/peer_htlcs.h
  5. 29
      openingd/opening.c
  6. 3
      openingd/opening_wire.csv
  7. 24
      wire/gen_peer_wire_csv
  8. 10
      wire/test/run-peer-wire.c

2
common/channel_config.h
View File

@ -19,6 +19,7 @@
* * [`4`:`feerate_per_kw`] * * [`4`:`feerate_per_kw`]
* * [`2`:`to_self_delay`] * * [`2`:`to_self_delay`]
* * [`2`:`max_accepted_htlcs`] * * [`2`:`max_accepted_htlcs`]
* * [`2`:`cltv_expiry_delta`]
*... *...
* 1. type: 33 (`accept_channel`) * 1. type: 33 (`accept_channel`)
* 2. data: * 2. data:
@ -30,6 +31,7 @@
* * [`4`:`minimum_depth`] * * [`4`:`minimum_depth`]
* * [`2`:`to_self_delay`] * * [`2`:`to_self_delay`]
* * [`2`:`max_accepted_htlcs`] * * [`2`:`max_accepted_htlcs`]
* * [`2`:`cltv_expiry_delta`]
*/ */
struct channel_config { struct channel_config {
/* Database ID */ /* Database ID */

12
lightningd/peer_control.c
View File

@ -2266,7 +2266,8 @@ static bool opening_funder_finished(struct subd *opening, const u8 *resp,
&fc->peer->minimum_depth, &fc->peer->minimum_depth,
&channel_info->remote_fundingkey, &channel_info->remote_fundingkey,
&funding_txid, &funding_txid,
&channel_info->feerate_per_kw)) { &channel_info->feerate_per_kw,
&channel_info->their_cltv_expiry_delta)) {
peer_internal_error(fc->peer, "bad shutdown_complete: %s", peer_internal_error(fc->peer, "bad shutdown_complete: %s",
tal_hex(resp, resp)); tal_hex(resp, resp));
return false; return false;
@ -2387,7 +2388,8 @@ static bool opening_fundee_finished(struct subd *opening,
&peer->push_msat, &peer->push_msat,
&peer->channel_flags, &peer->channel_flags,
&channel_info->feerate_per_kw, &channel_info->feerate_per_kw,
&funding_signed)) { &funding_signed,
&channel_info->their_cltv_expiry_delta)) {
log_broken(peer->log, "bad OPENING_FUNDEE_REPLY %s", log_broken(peer->log, "bad OPENING_FUNDEE_REPLY %s",
tal_hex(reply, reply)); tal_hex(reply, reply));
return false; return false;
@ -2528,7 +2530,8 @@ void peer_fundee_open(struct peer *peer, const u8 *from_peer,
&peer->our_config, &peer->our_config,
max_to_self_delay, max_to_self_delay,
min_effective_htlc_capacity_msat, min_effective_htlc_capacity_msat,
cs, peer->seed); cs, peer->seed,
ld->config.min_htlc_expiry);
subd_send_msg(peer->owner, take(msg)); subd_send_msg(peer->owner, take(msg));
/* FIXME: Expose the min_feerate_per_kw and max_feerate_per_kw in the config */ /* FIXME: Expose the min_feerate_per_kw and max_feerate_per_kw in the config */
@ -2602,7 +2605,8 @@ static bool gossip_peer_released(struct subd *gossip,
&fc->peer->our_config, &fc->peer->our_config,
max_to_self_delay, max_to_self_delay,
min_effective_htlc_capacity_msat, min_effective_htlc_capacity_msat,
&cs, fc->peer->seed); &cs, fc->peer->seed,
ld->config.min_htlc_expiry);
subd_send_msg(opening, take(msg)); subd_send_msg(opening, take(msg));

2
lightningd/peer_htlcs.c
View File

@ -537,7 +537,7 @@ static void forward_htlc(struct htlc_in *hin,
/* BOLT #4: /* BOLT #4:
* *
* If the cltv-expiry is too near, we tell them the the current channel * If the `cltv_expiry` is too near, we tell them the the current channel
* setting for the outgoing channel: * setting for the outgoing channel:
* 1. type: UPDATE|14 (`expiry_too_soon`) * 1. type: UPDATE|14 (`expiry_too_soon`)
* 2. data: * 2. data:

1
lightningd/peer_htlcs.h
View File

@ -15,6 +15,7 @@ struct channel_info {
* and the remote_per_commit is for the commit_tx we're modifying now. */ * and the remote_per_commit is for the commit_tx we're modifying now. */
struct pubkey remote_per_commit, old_remote_per_commit; struct pubkey remote_per_commit, old_remote_per_commit;
u32 feerate_per_kw; u32 feerate_per_kw;
u16 their_cltv_expiry_delta;
}; };
/* Get all HTLCs for a peer, to send in init message. */ /* Get all HTLCs for a peer, to send in init message. */

29
openingd/opening.c
View File

@ -199,6 +199,7 @@ static u8 *funder_channel(struct state *state,
const struct pubkey *our_funding_pubkey, const struct pubkey *our_funding_pubkey,
const struct basepoints *ours, const struct basepoints *ours,
u32 max_minimum_depth, u32 max_minimum_depth,
u16 our_cltv_expiry_delta,
u64 change_satoshis, u32 change_keyindex, u64 change_satoshis, u32 change_keyindex,
u8 channel_flags, u8 channel_flags,
const struct utxo *utxos, const struct utxo *utxos,
@ -211,6 +212,7 @@ static u8 *funder_channel(struct state *state,
struct pubkey their_funding_pubkey, changekey; struct pubkey their_funding_pubkey, changekey;
secp256k1_ecdsa_signature sig; secp256k1_ecdsa_signature sig;
u32 minimum_depth; u32 minimum_depth;
u16 their_cltv_expiry_delta;
const u8 *wscript; const u8 *wscript;
struct bitcoin_tx *funding; struct bitcoin_tx *funding;
const struct utxo **utxomap; const struct utxo **utxomap;
@ -249,12 +251,14 @@ static u8 *funder_channel(struct state *state,
state->feerate_per_kw, state->feerate_per_kw,
state->localconf.to_self_delay, state->localconf.to_self_delay,
state->localconf.max_accepted_htlcs, state->localconf.max_accepted_htlcs,
our_cltv_expiry_delta,
our_funding_pubkey, our_funding_pubkey,
&ours->revocation, &ours->revocation,
&ours->payment, &ours->payment,
&ours->delayed_payment, &ours->delayed_payment,
&state->next_per_commit[LOCAL], &state->next_per_commit[LOCAL],
channel_flags); channel_flags);
if (!sync_crypto_write(&state->cs, PEER_FD, msg)) if (!sync_crypto_write(&state->cs, PEER_FD, msg))
status_failed(STATUS_FAIL_PEER_IO, status_failed(STATUS_FAIL_PEER_IO,
"Writing open_channel: %s", strerror(errno)); "Writing open_channel: %s", strerror(errno));
@ -283,6 +287,7 @@ static u8 *funder_channel(struct state *state,
&minimum_depth, &minimum_depth,
&state->remoteconf->to_self_delay, &state->remoteconf->to_self_delay,
&state->remoteconf->max_accepted_htlcs, &state->remoteconf->max_accepted_htlcs,
&their_cltv_expiry_delta,
&their_funding_pubkey, &their_funding_pubkey,
&theirs.revocation, &theirs.revocation,
&theirs.payment, &theirs.payment,
@ -445,7 +450,8 @@ static u8 *funder_channel(struct state *state,
minimum_depth, minimum_depth,
&their_funding_pubkey, &their_funding_pubkey,
&state->funding_txid, &state->funding_txid,
state->feerate_per_kw); state->feerate_per_kw,
their_cltv_expiry_delta);
} }
/* This is handed the message the peer sent which caused gossip to stop: /* This is handed the message the peer sent which caused gossip to stop:
@ -454,6 +460,7 @@ static u8 *fundee_channel(struct state *state,
const struct pubkey *our_funding_pubkey, const struct pubkey *our_funding_pubkey,
const struct basepoints *ours, const struct basepoints *ours,
u32 minimum_depth, u32 minimum_depth,
u16 our_cltv_expiry_delta,
u32 min_feerate, u32 max_feerate, const u8 *peer_msg) u32 min_feerate, u32 max_feerate, const u8 *peer_msg)
{ {
struct channel_id id_in; struct channel_id id_in;
@ -465,6 +472,7 @@ static u8 *fundee_channel(struct state *state,
u8 *msg; u8 *msg;
const u8 *wscript; const u8 *wscript;
u8 channel_flags; u8 channel_flags;
u16 their_cltv_expiry_delta;
state->remoteconf = tal(state, struct channel_config); state->remoteconf = tal(state, struct channel_config);
@ -485,6 +493,7 @@ static u8 *fundee_channel(struct state *state,
&state->feerate_per_kw, &state->feerate_per_kw,
&state->remoteconf->to_self_delay, &state->remoteconf->to_self_delay,
&state->remoteconf->max_accepted_htlcs, &state->remoteconf->max_accepted_htlcs,
&their_cltv_expiry_delta,
&their_funding_pubkey, &their_funding_pubkey,
&theirs.revocation, &theirs.revocation,
&theirs.payment, &theirs.payment,
@ -556,6 +565,7 @@ static u8 *fundee_channel(struct state *state,
minimum_depth, minimum_depth,
state->localconf.to_self_delay, state->localconf.to_self_delay,
state->localconf.max_accepted_htlcs, state->localconf.max_accepted_htlcs,
our_cltv_expiry_delta,
our_funding_pubkey, our_funding_pubkey,
&ours->revocation, &ours->revocation,
&ours->payment, &ours->payment,
@ -668,7 +678,8 @@ static u8 *fundee_channel(struct state *state,
state->push_msat, state->push_msat,
channel_flags, channel_flags,
state->feerate_per_kw, state->feerate_per_kw,
msg); msg,
their_cltv_expiry_delta);
} }
#ifndef TESTING #ifndef TESTING
@ -687,6 +698,7 @@ int main(int argc, char *argv[])
struct utxo *utxos; struct utxo *utxos;
struct ext_key bip32_base; struct ext_key bip32_base;
u32 network_index; u32 network_index;
u16 our_cltv_expiry_delta;
if (argc == 2 && streq(argv[1], "--version")) { if (argc == 2 && streq(argv[1], "--version")) {
printf("%s\n", version()); printf("%s\n", version());
@ -708,7 +720,8 @@ int main(int argc, char *argv[])
&state->max_to_self_delay, &state->max_to_self_delay,
&state->min_effective_htlc_capacity_msat, &state->min_effective_htlc_capacity_msat,
&state->cs, &state->cs,
&seed)) &seed,
&our_cltv_expiry_delta))
master_badmsg(WIRE_OPENING_INIT, msg); master_badmsg(WIRE_OPENING_INIT, msg);
tal_free(msg); tal_free(msg);
@ -741,14 +754,16 @@ int main(int argc, char *argv[])
&change_satoshis, &change_keyindex, &change_satoshis, &change_keyindex,
&channel_flags, &utxos, &bip32_base)) &channel_flags, &utxos, &bip32_base))
msg = funder_channel(state, &our_funding_pubkey, &our_points, msg = funder_channel(state, &our_funding_pubkey, &our_points,
max_minimum_depth, change_satoshis, max_minimum_depth, our_cltv_expiry_delta,
change_keyindex, channel_flags, change_satoshis, change_keyindex,
channel_flags,
utxos, &bip32_base); utxos, &bip32_base);
else if (fromwire_opening_fundee(state, msg, NULL, &minimum_depth, else if (fromwire_opening_fundee(state, msg, NULL, &minimum_depth,
&min_feerate, &max_feerate, &peer_msg)) &min_feerate, &max_feerate, &peer_msg))
msg = fundee_channel(state, &our_funding_pubkey, &our_points, msg = fundee_channel(state, &our_funding_pubkey, &our_points,
minimum_depth, min_feerate, max_feerate, minimum_depth, our_cltv_expiry_delta,
peer_msg); min_feerate, max_feerate,
peer_msg);
else else
status_failed(STATUS_FAIL_MASTER_IO, status_failed(STATUS_FAIL_MASTER_IO,
"neither funder nor fundee: %s", "neither funder nor fundee: %s",

3
openingd/opening_wire.csv
View File

@ -11,6 +11,7 @@ opening_init,,min_effective_htlc_capacity_msat,u64
opening_init,,crypto_state,struct crypto_state opening_init,,crypto_state,struct crypto_state
# Seed to generate all the keys from # Seed to generate all the keys from
opening_init,,seed,struct privkey opening_init,,seed,struct privkey
opening_init,,our_cltv_expiry_delta,u16
#include <common/bip32.h> #include <common/bip32.h>
#include <common/htlc_wire.h> #include <common/htlc_wire.h>
@ -42,6 +43,7 @@ opening_funder_reply,,minimum_depth,u32
opening_funder_reply,,remote_fundingkey,struct pubkey opening_funder_reply,,remote_fundingkey,struct pubkey
opening_funder_reply,,funding_txid,struct sha256_double opening_funder_reply,,funding_txid,struct sha256_double
opening_funder_reply,,feerate_per_kw,u32 opening_funder_reply,,feerate_per_kw,u32
opening_funder_reply,,their_cltv_expiry_delta,u16
# This means they offer the open (contains their offer packet) # This means they offer the open (contains their offer packet)
opening_fundee,6003 opening_fundee,6003
@ -71,3 +73,4 @@ opening_fundee_reply,,feerate_per_kw,u32
# The (encrypted) funding signed message: send this and we're committed. # The (encrypted) funding signed message: send this and we're committed.
opening_fundee_reply,,msglen,u16 opening_fundee_reply,,msglen,u16
opening_fundee_reply,,funding_signed_msg,msglen*u8 opening_fundee_reply,,funding_signed_msg,msglen*u8
opening_fundee_reply,,their_cltv_expiry_delta,u16

Can't render this file because it has a wrong number of fields in line 3.

24
wire/gen_peer_wire_csv
View File

@ -26,12 +26,13 @@ open_channel,104,htlc_minimum_msat,8
open_channel,112,feerate_per_kw,4 open_channel,112,feerate_per_kw,4
open_channel,116,to_self_delay,2 open_channel,116,to_self_delay,2
open_channel,118,max_accepted_htlcs,2 open_channel,118,max_accepted_htlcs,2
open_channel,120,funding_pubkey,33 open_channel,120,cltv_expiry_delta,2
open_channel,153,revocation_basepoint,33 open_channel,122,funding_pubkey,33
open_channel,186,payment_basepoint,33 open_channel,155,revocation_basepoint,33
open_channel,219,delayed_payment_basepoint,33 open_channel,188,payment_basepoint,33
open_channel,252,first_per_commitment_point,33 open_channel,221,delayed_payment_basepoint,33
open_channel,285,channel_flags,1 open_channel,254,first_per_commitment_point,33
open_channel,287,channel_flags,1
accept_channel,33 accept_channel,33
accept_channel,0,temporary_channel_id,32 accept_channel,0,temporary_channel_id,32
accept_channel,32,dust_limit_satoshis,8 accept_channel,32,dust_limit_satoshis,8
@ -41,11 +42,12 @@ accept_channel,56,htlc_minimum_msat,8
accept_channel,64,minimum_depth,4 accept_channel,64,minimum_depth,4
accept_channel,68,to_self_delay,2 accept_channel,68,to_self_delay,2
accept_channel,70,max_accepted_htlcs,2 accept_channel,70,max_accepted_htlcs,2
accept_channel,72,funding_pubkey,33 accept_channel,72,cltv_expiry_delta,2
accept_channel,105,revocation_basepoint,33 accept_channel,74,funding_pubkey,33
accept_channel,138,payment_basepoint,33 accept_channel,107,revocation_basepoint,33
accept_channel,171,delayed_payment_basepoint,33 accept_channel,140,payment_basepoint,33
accept_channel,204,first_per_commitment_point,33 accept_channel,173,delayed_payment_basepoint,33
accept_channel,206,first_per_commitment_point,33
funding_created,34 funding_created,34
funding_created,0,temporary_channel_id,32 funding_created,0,temporary_channel_id,32
funding_created,32,funding_txid,32 funding_created,32,funding_txid,32

10
wire/test/run-peer-wire.c
View File

@ -105,6 +105,7 @@ struct msg_accept_channel {
u32 minimum_depth; u32 minimum_depth;
u16 to_self_delay; u16 to_self_delay;
u16 max_accepted_htlcs; u16 max_accepted_htlcs;
u16 cltv_expiry_delta;
struct pubkey funding_pubkey; struct pubkey funding_pubkey;
struct pubkey revocation_basepoint; struct pubkey revocation_basepoint;
struct pubkey payment_basepoint; struct pubkey payment_basepoint;
@ -176,6 +177,7 @@ struct msg_open_channel {
u32 feerate_per_kw; u32 feerate_per_kw;
u16 to_self_delay; u16 to_self_delay;
u16 max_accepted_htlcs; u16 max_accepted_htlcs;
u16 cltv_expiry_delta;
struct pubkey funding_pubkey; struct pubkey funding_pubkey;
struct pubkey revocation_basepoint; struct pubkey revocation_basepoint;
struct pubkey payment_basepoint; struct pubkey payment_basepoint;
@ -269,6 +271,7 @@ static void *towire_struct_open_channel(const tal_t *ctx,
s->feerate_per_kw, s->feerate_per_kw,
s->to_self_delay, s->to_self_delay,
s->max_accepted_htlcs, s->max_accepted_htlcs,
s->cltv_expiry_delta,
&s->funding_pubkey, &s->funding_pubkey,
&s->revocation_basepoint, &s->revocation_basepoint,
&s->payment_basepoint, &s->payment_basepoint,
@ -293,6 +296,7 @@ static struct msg_open_channel *fromwire_struct_open_channel(const tal_t *ctx, c
&s->feerate_per_kw, &s->feerate_per_kw,
&s->to_self_delay, &s->to_self_delay,
&s->max_accepted_htlcs, &s->max_accepted_htlcs,
&s->cltv_expiry_delta,
&s->funding_pubkey, &s->funding_pubkey,
&s->revocation_basepoint, &s->revocation_basepoint,
&s->payment_basepoint, &s->payment_basepoint,
@ -315,6 +319,7 @@ static void *towire_struct_accept_channel(const tal_t *ctx,
s->minimum_depth, s->minimum_depth,
s->to_self_delay, s->to_self_delay,
s->max_accepted_htlcs, s->max_accepted_htlcs,
s->cltv_expiry_delta,
&s->funding_pubkey, &s->funding_pubkey,
&s->revocation_basepoint, &s->revocation_basepoint,
&s->payment_basepoint, &s->payment_basepoint,
@ -333,6 +338,7 @@ static struct msg_accept_channel *fromwire_struct_accept_channel(const tal_t *ct
&s->channel_reserve_satoshis, &s->channel_reserve_satoshis,
&s->htlc_minimum_msat, &s->htlc_minimum_msat,
&s->minimum_depth, &s->minimum_depth,
&s->cltv_expiry_delta,
&s->to_self_delay, &s->to_self_delay,
&s->max_accepted_htlcs, &s->max_accepted_htlcs,
&s->funding_pubkey, &s->funding_pubkey,
@ -799,7 +805,7 @@ static bool revoke_and_ack_eq(const struct msg_revoke_and_ack *a,
static bool open_channel_eq(const struct msg_open_channel *a, static bool open_channel_eq(const struct msg_open_channel *a,
const struct msg_open_channel *b) const struct msg_open_channel *b)
{ {
return eq_with(a, b, max_accepted_htlcs) return eq_with(a, b, cltv_expiry_delta)
&& eq_between(a, b, funding_pubkey, channel_flags); && eq_between(a, b, funding_pubkey, channel_flags);
} }
@ -813,7 +819,7 @@ static bool channel_update_eq(const struct msg_channel_update *a,
static bool accept_channel_eq(const struct msg_accept_channel *a, static bool accept_channel_eq(const struct msg_accept_channel *a,
const struct msg_accept_channel *b) const struct msg_accept_channel *b)
{ {
return eq_with(a, b, max_accepted_htlcs) return eq_with(a, b, cltv_expiry_delta)
&& eq_between(a, b, funding_pubkey, first_per_commitment_point); && eq_between(a, b, funding_pubkey, first_per_commitment_point);
} }

Write Preview
Loading…
Cancel
Save