Rusty Russell
8 years ago
6 changed files with 335 additions and 1 deletions
@ -0,0 +1,66 @@ |
|||||
|
#! /usr/bin/make
|
||||
|
|
||||
|
# Designed to be run one level up
|
||||
|
lightningd/channel-wrongdir: |
||||
|
$(MAKE) -C ../.. lightningd/channel-all |
||||
|
|
||||
|
default: lightningd/channel-all |
||||
|
|
||||
|
lightningd/channel-all: lightningd/lightningd_channel |
||||
|
|
||||
|
# lightningd/channel needs these:
|
||||
|
LIGHTNINGD_CHANNEL_HEADERS_GEN := \
|
||||
|
lightningd/channel/gen_channel_control_wire.h \
|
||||
|
lightningd/channel/gen_channel_status_wire.h |
||||
|
|
||||
|
LIGHTNINGD_CHANNEL_HEADERS_NOGEN := |
||||
|
|
||||
|
LIGHTNINGD_CHANNEL_HEADERS := $(LIGHTNINGD_CHANNEL_HEADERS_GEN) $(LIGHTNINGD_CHANNEL_HEADERS_NOGEN) |
||||
|
|
||||
|
LIGHTNINGD_CHANNEL_SRC := lightningd/channel/channel.c \
|
||||
|
$(LIGHTNINGD_CHANNEL_HEADERS:.h=.c) |
||||
|
LIGHTNINGD_CHANNEL_OBJS := $(LIGHTNINGD_CHANNEL_SRC:.c=.o) |
||||
|
|
||||
|
# Control daemon uses this:
|
||||
|
LIGHTNINGD_CHANNEL_CONTROL_HEADERS := $(LIGHTNINGD_CHANNEL_HEADERS) |
||||
|
LIGHTNINGD_CHANNEL_CONTROL_SRC := $(LIGHTNINGD_CHANNEL_HEADERS:.h=.c) |
||||
|
LIGHTNINGD_CHANNEL_CONTROL_OBJS := $(LIGHTNINGD_CHANNEL_CONTROL_SRC:.c=.o) |
||||
|
|
||||
|
LIGHTNINGD_CHANNEL_GEN_SRC := $(filter lightningd/channel/gen_%, $(LIGHTNINGD_CHANNEL_SRC) $(LIGHTNINGD_CHANNEL_CONTROL_SRC)) |
||||
|
|
||||
|
LIGHTNINGD_CHANNEL_SRC_NOGEN := $(filter-out lightningd/channel/gen_%, $(LIGHTNINGD_CHANNEL_SRC)) |
||||
|
|
||||
|
# Add to headers which any object might need.
|
||||
|
LIGHTNINGD_HEADERS_GEN += $(LIGHTNINGD_CHANNEL_HEADERS_GEN) |
||||
|
LIGHTNINGD_HEADERS_NOGEN += $(LIGHTNINGD_CHANNEL_HEADERS_NOGEN) |
||||
|
|
||||
|
$(LIGHTNINGD_CHANNEL_OBJS): $(LIGHTNINGD_HEADERS) |
||||
|
|
||||
|
lightningd/channel/gen_channel_control_wire.h: $(WIRE_GEN) lightningd/channel/channel_control_wire.csv |
||||
|
$(WIRE_GEN) --header $@ channel_control_wire_type < lightningd/channel/channel_control_wire.csv > $@ |
||||
|
|
||||
|
lightningd/channel/gen_channel_control_wire.c: $(WIRE_GEN) lightningd/channel/channel_control_wire.csv |
||||
|
$(WIRE_GEN) ${@:.c=.h} channel_control_wire_type < lightningd/channel/channel_control_wire.csv > $@ |
||||
|
|
||||
|
lightningd/channel/gen_channel_status_wire.h: $(WIRE_GEN) lightningd/channel/channel_status_wire.csv |
||||
|
$(WIRE_GEN) --header $@ channel_status_wire_type < lightningd/channel/channel_status_wire.csv > $@ |
||||
|
|
||||
|
lightningd/channel/gen_channel_status_wire.c: $(WIRE_GEN) lightningd/channel/channel_status_wire.csv |
||||
|
$(WIRE_GEN) ${@:.c=.h} channel_status_wire_type < lightningd/channel/channel_status_wire.csv > $@ |
||||
|
|
||||
|
LIGHTNINGD_CHANNEL_OBJS := $(LIGHTNINGD_CHANNEL_SRC:.c=.o) $(LIGHTNINGD_CHANNEL_GEN_SRC:.c=.o) |
||||
|
|
||||
|
lightningd/lightningd_channel: $(LIGHTNINGD_OLD_LIB_OBJS) $(LIGHTNINGD_LIB_OBJS) $(LIGHTNINGD_CHANNEL_OBJS) $(CORE_OBJS) $(CORE_TX_OBJS) $(WIRE_OBJS) $(BITCOIN_OBJS) $(CCAN_OBJS) $(LIGHTNINGD_HSM_CLIENT_OBJS) $(LIBBASE58_OBJS) libsecp256k1.a libsodium.a libwallycore.a |
||||
|
$(CC) $(CFLAGS) -o $@ $^ $(LDLIBS) |
||||
|
|
||||
|
check-source: $(LIGHTNINGD_CHANNEL_SRC_NOGEN:%=check-src-include-order/%) |
||||
|
check-source-bolt: $(LIGHTNINGD_CHANNEL_SRC:%=bolt-check/%) $(LIGHTNINGD_CHANNEL_HEADERS:%=bolt-check/%) |
||||
|
|
||||
|
check-whitespace: $(LIGHTNINGD_CHANNEL_SRC_NOGEN:%=check-whitespace/%) $(LIGHTNINGD_CHANNEL_HEADERS_NOGEN:%=check-whitespace/%) |
||||
|
|
||||
|
clean: lightningd/channel-clean |
||||
|
|
||||
|
lightningd/channel-clean: |
||||
|
$(RM) $(LIGHTNINGD_CHANNEL_OBJS) gen_* |
||||
|
|
||||
|
-include lightningd/channel/test/Makefile |
@ -0,0 +1,226 @@ |
|||||
|
#include <bitcoin/privkey.h> |
||||
|
#include <bitcoin/script.h> |
||||
|
#include <ccan/crypto/hkdf_sha256/hkdf_sha256.h> |
||||
|
#include <ccan/crypto/shachain/shachain.h> |
||||
|
#include <ccan/fdpass/fdpass.h> |
||||
|
#include <ccan/io/io.h> |
||||
|
#include <ccan/structeq/structeq.h> |
||||
|
#include <errno.h> |
||||
|
#include <inttypes.h> |
||||
|
#include <lightningd/channel.h> |
||||
|
#include <lightningd/channel/gen_channel_control_wire.h> |
||||
|
#include <lightningd/channel/gen_channel_status_wire.h> |
||||
|
#include <lightningd/commit_tx.h> |
||||
|
#include <lightningd/crypto_sync.h> |
||||
|
#include <lightningd/cryptomsg.h> |
||||
|
#include <lightningd/debug.h> |
||||
|
#include <lightningd/derive_basepoints.h> |
||||
|
#include <lightningd/key_derive.h> |
||||
|
#include <lightningd/peer_failed.h> |
||||
|
#include <secp256k1.h> |
||||
|
#include <signal.h> |
||||
|
#include <status.h> |
||||
|
#include <stdio.h> |
||||
|
#include <type_to_string.h> |
||||
|
#include <version.h> |
||||
|
#include <wire/gen_peer_wire.h> |
||||
|
#include <wire/wire.h> |
||||
|
#include <wire/wire_io.h> |
||||
|
#include <wire/wire_sync.h> |
||||
|
|
||||
|
/* Stdout == status, stdin == requests, 3 == peer */ |
||||
|
#define STATUS_FD STDOUT_FILENO |
||||
|
#define REQ_FD STDIN_FILENO |
||||
|
#define PEER_FD 3 |
||||
|
|
||||
|
struct peer { |
||||
|
struct peer_crypto_state pcs; |
||||
|
struct channel_config conf[NUM_SIDES]; |
||||
|
struct pubkey next_per_commit[NUM_SIDES]; |
||||
|
bool funding_locked[NUM_SIDES]; |
||||
|
|
||||
|
/* Their sig for current commit. */ |
||||
|
secp256k1_ecdsa_signature their_commit_sig; |
||||
|
|
||||
|
/* Secret keys and basepoint secrets. */ |
||||
|
struct secrets our_secrets; |
||||
|
|
||||
|
/* Our shaseed for generating per-commitment-secrets. */ |
||||
|
struct sha256 shaseed; |
||||
|
|
||||
|
struct channel_id channel_id; |
||||
|
struct channel *channel; |
||||
|
|
||||
|
u8 *req_in; |
||||
|
const u8 **peer_out; |
||||
|
}; |
||||
|
|
||||
|
static void msg_enqueue(const u8 ***q, const u8 *add) |
||||
|
{ |
||||
|
size_t n = tal_count(*q); |
||||
|
tal_resize(q, n+1); |
||||
|
(*q)[n] = add; |
||||
|
} |
||||
|
|
||||
|
static const u8 *msg_dequeue(const u8 ***q) |
||||
|
{ |
||||
|
size_t n = tal_count(*q); |
||||
|
const u8 *msg; |
||||
|
|
||||
|
if (!n) |
||||
|
return NULL; |
||||
|
msg = (*q)[0]; |
||||
|
memmove(*q, *q + 1, sizeof(**q) * (n-1)); |
||||
|
tal_resize(q, n-1); |
||||
|
return msg; |
||||
|
} |
||||
|
|
||||
|
static void queue_pkt(struct peer *peer, const u8 *msg) |
||||
|
{ |
||||
|
msg_enqueue(&peer->peer_out, msg); |
||||
|
io_wake(peer); |
||||
|
} |
||||
|
|
||||
|
static struct io_plan *peer_out(struct io_conn *conn, struct peer *peer) |
||||
|
{ |
||||
|
const u8 *out = msg_dequeue(&peer->peer_out); |
||||
|
if (!out) |
||||
|
return io_out_wait(conn, peer, peer_out, peer); |
||||
|
|
||||
|
return peer_write_message(conn, &peer->pcs, out, peer_out); |
||||
|
} |
||||
|
|
||||
|
static struct io_plan *peer_in(struct io_conn *conn, struct peer *peer, u8 *msg) |
||||
|
{ |
||||
|
struct channel_id chanid; |
||||
|
|
||||
|
status_trace("Received %s from peer", |
||||
|
wire_type_name(fromwire_peektype(msg))); |
||||
|
|
||||
|
if (fromwire_funding_locked(msg, NULL, &chanid, |
||||
|
&peer->next_per_commit[REMOTE])) { |
||||
|
if (!structeq(&chanid, &peer->channel_id)) |
||||
|
status_failed(WIRE_CHANNEL_PEER_BAD_MESSAGE, |
||||
|
"Wrong channel id in %s", |
||||
|
tal_hex(trc, msg)); |
||||
|
if (peer->funding_locked[REMOTE]) |
||||
|
status_failed(WIRE_CHANNEL_PEER_BAD_MESSAGE, |
||||
|
"Funding locked twice"); |
||||
|
peer->funding_locked[REMOTE] = true; |
||||
|
status_send(towire_channel_received_funding_locked(peer)); |
||||
|
|
||||
|
if (peer->funding_locked[LOCAL]) |
||||
|
status_send(towire_channel_normal_operation(peer)); |
||||
|
} |
||||
|
/* FIXME: Process gossip. */ |
||||
|
|
||||
|
return peer_read_message(conn, &peer->pcs, peer_in); |
||||
|
} |
||||
|
|
||||
|
static struct io_plan *req_in(struct io_conn *conn, struct peer *peer) |
||||
|
{ |
||||
|
if (fromwire_channel_funding_locked(peer->req_in, NULL)) { |
||||
|
u8 *msg = towire_funding_locked(peer, |
||||
|
&peer->channel_id, |
||||
|
&peer->next_per_commit[LOCAL]); |
||||
|
queue_pkt(peer, msg); |
||||
|
peer->funding_locked[LOCAL] = true; |
||||
|
|
||||
|
if (peer->funding_locked[REMOTE]) |
||||
|
status_send(towire_channel_normal_operation(peer)); |
||||
|
} else |
||||
|
status_failed(WIRE_CHANNEL_BAD_COMMAND, "%s", strerror(errno)); |
||||
|
|
||||
|
return io_read_wire(conn, peer, &peer->req_in, req_in, peer); |
||||
|
} |
||||
|
|
||||
|
static struct io_plan *setup_req_in(struct io_conn *conn, struct peer *peer) |
||||
|
{ |
||||
|
return io_read_wire(conn, peer, &peer->req_in, req_in, peer); |
||||
|
} |
||||
|
|
||||
|
static struct io_plan *setup_peer_conn(struct io_conn *conn, struct peer *peer) |
||||
|
{ |
||||
|
return io_duplex(conn, peer_read_message(conn, &peer->pcs, peer_in), |
||||
|
peer_out(conn, peer)); |
||||
|
} |
||||
|
|
||||
|
static void peer_conn_broken(struct io_conn *conn, struct peer *peer) |
||||
|
{ |
||||
|
status_failed(WIRE_CHANNEL_PEER_READ_FAILED, |
||||
|
"peer connection broken: %s", strerror(errno)); |
||||
|
} |
||||
|
|
||||
|
#ifndef TESTING |
||||
|
int main(int argc, char *argv[]) |
||||
|
{ |
||||
|
u8 *msg; |
||||
|
struct peer *peer = tal(NULL, struct peer); |
||||
|
struct privkey seed; |
||||
|
struct basepoints points[NUM_SIDES]; |
||||
|
struct pubkey funding_pubkey[NUM_SIDES]; |
||||
|
u32 feerate; |
||||
|
u64 funding_satoshi, push_msat; |
||||
|
u16 funding_txout; |
||||
|
struct sha256_double funding_txid; |
||||
|
bool am_funder; |
||||
|
|
||||
|
if (argc == 2 && streq(argv[1], "--version")) { |
||||
|
printf("%s\n", version()); |
||||
|
exit(0); |
||||
|
} |
||||
|
|
||||
|
subdaemon_debug(argc, argv); |
||||
|
|
||||
|
/* We handle write returning errors! */ |
||||
|
signal(SIGCHLD, SIG_IGN); |
||||
|
secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY |
||||
|
| SECP256K1_CONTEXT_SIGN); |
||||
|
status_setup(STATUS_FD); |
||||
|
peer->peer_out = tal_arr(peer, const u8 *, 0); |
||||
|
init_peer_crypto_state(peer, &peer->pcs); |
||||
|
peer->funding_locked[LOCAL] = peer->funding_locked[REMOTE] = false; |
||||
|
|
||||
|
msg = wire_sync_read(peer, REQ_FD); |
||||
|
if (!msg) |
||||
|
status_failed(WIRE_CHANNEL_BAD_COMMAND, "%s", strerror(errno)); |
||||
|
|
||||
|
if (!fromwire_channel_init(msg, NULL, |
||||
|
&funding_txid, &funding_txout, |
||||
|
&peer->conf[LOCAL], &peer->conf[REMOTE], |
||||
|
&peer->their_commit_sig, |
||||
|
&peer->pcs.cs, |
||||
|
&funding_pubkey[REMOTE], |
||||
|
&points[REMOTE].revocation, |
||||
|
&points[REMOTE].payment, |
||||
|
&points[REMOTE].delayed_payment, |
||||
|
&peer->next_per_commit[REMOTE], |
||||
|
&am_funder, |
||||
|
&feerate, &funding_satoshi, &push_msat, |
||||
|
&seed)) |
||||
|
status_failed(WIRE_CHANNEL_BAD_COMMAND, "%s", |
||||
|
tal_hex(msg, msg)); |
||||
|
tal_free(msg); |
||||
|
|
||||
|
/* We derive everything from the one secret seed. */ |
||||
|
derive_basepoints(&seed, &funding_pubkey[LOCAL], &points[LOCAL], |
||||
|
&peer->our_secrets, &peer->shaseed, |
||||
|
&peer->next_per_commit[LOCAL], 1); |
||||
|
|
||||
|
peer->channel = new_channel(peer, &funding_txid, funding_txout, |
||||
|
funding_satoshi, push_msat, feerate, |
||||
|
&peer->conf[LOCAL], &peer->conf[REMOTE], |
||||
|
&points[LOCAL], &points[REMOTE], |
||||
|
am_funder ? LOCAL : REMOTE); |
||||
|
|
||||
|
/* OK, now we can process peer messages. */ |
||||
|
io_set_finish(io_new_conn(peer, PEER_FD, setup_peer_conn, peer), |
||||
|
peer_conn_broken, peer); |
||||
|
io_new_conn(peer, REQ_FD, setup_req_in, peer); |
||||
|
|
||||
|
/* We don't expect to exit here. */ |
||||
|
io_loop(NULL, NULL); |
||||
|
tal_free(peer); |
||||
|
return 0; |
||||
|
} |
||||
|
#endif /* TESTING */ |
Can't render this file because it has a wrong number of fields in line 5.
|
Can't render this file because it has a wrong number of fields in line 2.
|
Loading…
Reference in new issue