int main(int argc, char *argv[])
{
const tal_t *ctx = tal_arr(NULL, char, 0);
OpenChannel *o1, *o2;
OpenAnchor *a;
struct bitcoin_tx *commit, *tx;
struct bitcoin_signature sig;
struct privkey privkey;
bool testnet;
struct pubkey pubkey1, pubkey2, outpubkey;
u8 *redeemscript;
struct sha256 rhash;
size_t p2sh_out;
u64 fee = 10000;
u32 locktime;
err_set_progname(argv[0]);
/* FIXME: If we've updated channel since, we need the final
* revocation hash we sent (either update_accept or update_complete) */
opt_register_noarg("--help|-h", opt_usage_and_exit,
"<commitment-tx> <open-channel-file1> <open-channel-file2> <open-anchor-file> <my-privoutkey> <someaddress> [previous-updates]\n"
"Create the transaction to spend our commit transaction",
"Print this message.");
opt_register_arg("--fee=<bits>",
opt_set_bits, opt_show_bits, &fee,
"100's of satoshi to pay in transaction fee");
opt_register_version();
opt_parse(&argc, argv, opt_log_stderr_exit);
if (argc < 6)
opt_usage_exit_fail("Expected 5+ arguments");
commit = bitcoin_tx_from_file(ctx, argv[1]);
o1 = pkt_from_file(argv[2], PKT__PKT_OPEN)->open;
o2 = pkt_from_file(argv[3], PKT__PKT_OPEN)->open;
a = pkt_from_file(argv[4], PKT__PKT_OPEN_ANCHOR)->open_anchor;
if (!proto_to_rel_locktime(o2->delay, &locktime))
errx(1, "Invalid locktime in o2");
/* We need our private key to spend commit output. */
if (!key_from_base58(argv[5], strlen(argv[5]), &testnet, &privkey, &pubkey1))
errx(1, "Invalid private key '%s'", argv[5]);
if (!testnet)
errx(1, "Private key '%s' not on testnet!", argv[5]);
if (!pubkey_from_hexstr(argv[6], &outpubkey))
errx(1, "Invalid bitcoin pubkey '%s'", argv[6]);
/* Get pubkeys */
if (!proto_to_pubkey(o1->final_key, &pubkey2))
errx(1, "Invalid o1 final pubkey");
if (!pubkey_eq(&pubkey1, &pubkey2))
errx(1, "o1 pubkey != this privkey");
if (!proto_to_pubkey(o2->final_key, &pubkey2))
errx(1, "Invalid o2 final pubkey");
/* We use this simply to get final revocation hash. */
gather_updates(ctx, o1, o2, a, commit_fee(o1, o2), argv + 7,
NULL, &rhash, NULL, NULL);
/* Create redeem script */
redeemscript = bitcoin_redeem_secret_or_delay(ctx, &pubkey1, locktime,
&pubkey2, &rhash);
/* Now, create transaction to spend it. */
tx = bitcoin_tx(ctx, 1, 1);
bitcoin_txid(commit, &tx->input[0].txid);
p2sh_out = find_p2sh_out(commit, redeemscript);
tx->input[0].index = p2sh_out;
tx->input[0].input_amount = commit->output[p2sh_out].amount;
tx->fee = fee;
tx->input[0].sequence_number = bitcoin_nsequence(locktime);
if (commit->output[p2sh_out].amount <= fee)
errx(1, "Amount of %llu won't exceed fee",
(unsigned long long)commit->output[p2sh_out].amount);
tx->output[0].amount = commit->output[p2sh_out].amount - fee;
tx->output[0].script = scriptpubkey_p2sh(tx,
bitcoin_redeem_single(tx, &outpubkey));
tx->output[0].script_length = tal_count(tx->output[0].script);
/* Now get signature, to set up input script. */
if (!sign_tx_input(tx, tx, 0, redeemscript, tal_count(redeemscript),
&privkey, &pubkey1, &sig.sig))
errx(1, "Could not sign tx");
sig.stype = SIGHASH_ALL;
tx->input[0].script = scriptsig_p2sh_secret(tx, NULL, 0, &sig,
redeemscript,
tal_count(redeemscript));
tx->input[0].script_length = tal_count(tx->input[0].script);
/* Print it out in hex. */
if (!bitcoin_tx_write(STDOUT_FILENO, tx))
err(1, "Writing out transaction");
tal_free(ctx);
return 0;
}
int main(int argc, char *argv[])
{
OpenChannel *o1, *o2;
struct bitcoin_tx *anchor;
const tal_t *ctx = tal_arr(NULL, char, 0);
u64 anchor_fee, amount, total_in, change;
struct input *in;
u8 *redeemscript;
size_t i;
struct pubkey pubkey1, pubkey2;
err_set_progname(argv[0]);
anchor_fee = 10000;
opt_register_noarg("--help|-h", opt_usage_and_exit,
"<open-channel-file1> <open-channel-file2> <amount> <changepubkey> <txid>/<outnum>/<satoshis>/<script-in-hex>/<privkey>...\n"
"A test program to create an anchor tx on stdout.",
"Print this message.");
opt_register_arg("--anchor-fee=<bits>",
opt_set_bits, opt_show_bits, &anchor_fee,
"100's of satoshi to pay for anchor");
opt_register_version();
opt_parse(&argc, argv, opt_log_stderr_exit);
if (argc < 6)
opt_usage_exit_fail("Expected 5 or more arguments");
o1 = pkt_from_file(argv[1], PKT__PKT_OPEN)->open;
o2 = pkt_from_file(argv[2], PKT__PKT_OPEN)->open;
if (!proto_to_pubkey(o1->commit_key, &pubkey1))
errx(1, "Invalid o1 commit_key");
if (!proto_to_pubkey(o2->commit_key, &pubkey2))
errx(1, "Invalid o2 commit_key");
amount = atol(argv[3]);
if (!amount)
errx(1, "Invalid total: must be > 0");
in = tal_arr(ctx, struct input, argc - 5);
total_in = 0;
for (i = 0; i < tal_count(in); i++) {
parse_anchor_input(argv[5+i], &in[i]);
total_in += in[i].in.input_amount;
}
if (total_in < amount + anchor_fee)
errx(1, "Only %llu satoshi in, and %llu out (+%llu fee)",
(unsigned long long)total_in,
(unsigned long long)amount,
(unsigned long long)anchor_fee);
change = total_in - (amount + anchor_fee);
/* If there's change, we have an extra output. */
anchor = bitcoin_tx(ctx, tal_count(in), change ? 2 : 1);
anchor->fee = anchor_fee;
/* Commitment redeems this via 2 of 2 payment. */
redeemscript = bitcoin_redeem_2of2(ctx, &pubkey1, &pubkey2);
/* Set up outputs. */
anchor->output[0].amount = amount;
anchor->output[0].script = scriptpubkey_p2sh(anchor, redeemscript);
anchor->output[0].script_length = tal_count(anchor->output[0].script);
if (change) {
struct pubkey change_key;
if (!pubkey_from_hexstr(argv[4], &change_key))
errx(1, "Invalid change key %s", argv[3]);
redeemscript = bitcoin_redeem_single(anchor, &change_key);
anchor->output[1].amount = change;
anchor->output[1].script = scriptpubkey_p2sh(anchor,
redeemscript);
anchor->output[1].script_length
= tal_count(anchor->output[1].script);
}
/* Set up inputs (leaving scripts empty for signing) */
for (i = 0; i < tal_count(in); i++) {
anchor->input[i].input_amount = in[i].in.input_amount;
anchor->input[i].txid = in[i].in.txid;
anchor->input[i].index = in[i].in.index;
}
/* Now, sign each input. */
for (i = 0; i < tal_count(in); i++) {
in[i].sig.stype = SIGHASH_ALL;
if (!sign_tx_input(ctx, anchor, i, in[i].in.script,
in[i].in.script_length,
&in[i].privkey, &in[i].pubkey,
&in[i].sig.sig))
errx(1, "Error signing input %zi", i);
}
/* Finally, complete inputs using signatures. */
for (i = 0; i < tal_count(in); i++) {
if (!is_pay_to_pubkey_hash(in[i].in.script,
in[i].in.script_length))
errx(1, "FIXME: Don't know how to handle input %zi", i);
anchor->input[i].script
= scriptsig_pay_to_pubkeyhash(anchor, &in[i].pubkey,
&in[i].sig);
anchor->input[i].script_length
= tal_count(anchor->input[i].script);
}
/* Print it out in hex. */
if (!bitcoin_tx_write(STDOUT_FILENO, anchor))
err(1, "Writing out transaction");
tal_free(ctx);
return 0;
}
int main(int argc, char *argv[])
{
struct io_conn *conn = tal(NULL, struct io_conn);
struct wireaddr_internal addr;
int af = -1;
struct pubkey us, them;
const char *err_msg;
const char *at;
struct addrinfo *ai = NULL;
setup_locale();
secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY |
SECP256K1_CONTEXT_SIGN);
opt_register_noarg("--initial-sync", opt_set_bool, &initial_sync,
"Stream complete gossip history at start");
opt_register_arg("--max-messages", opt_set_ulongval, opt_show_ulongval,
&max_messages,
"Terminate after reading this many messages (> 0)");
opt_register_noarg("--stdin", opt_set_bool, &stream_stdin,
"Stream gossip messages from stdin.");
opt_register_noarg("--help|-h", opt_usage_and_exit,
"id@addr[:port] [hex-msg-tosend...]\n"
"Connect to a lightning peer and relay gossip messages from it",
"Print this message.");
opt_parse(&argc, argv, opt_log_stderr_exit);
if (argc < 2)
opt_usage_exit_fail("Need an id@addr to connect to");
at = strchr(argv[1], '@');
if (!at)
opt_usage_exit_fail("Need id@addr");
if (!pubkey_from_hexstr(argv[1], at - argv[1], &them))
opt_usage_exit_fail("Invalid id %.*s",
(int)(at - argv[1]), argv[1]);
if (!parse_wireaddr_internal(at+1, &addr, DEFAULT_PORT, NULL,
true, false, &err_msg))
opt_usage_exit_fail("%s '%s'", err_msg, argv[1]);
switch (addr.itype) {
case ADDR_INTERNAL_SOCKNAME:
af = AF_LOCAL;
ai = wireaddr_internal_to_addrinfo(conn, &addr);
break;
case ADDR_INTERNAL_ALLPROTO:
case ADDR_INTERNAL_AUTOTOR:
case ADDR_INTERNAL_FORPROXY:
opt_usage_exit_fail("Don't support proxy use");
case ADDR_INTERNAL_WIREADDR:
switch (addr.u.wireaddr.type) {
case ADDR_TYPE_TOR_V2:
case ADDR_TYPE_TOR_V3:
opt_usage_exit_fail("Don't support proxy use");
break;
case ADDR_TYPE_IPV4:
af = AF_INET;
break;
case ADDR_TYPE_IPV6:
af = AF_INET6;
break;
}
ai = wireaddr_to_addrinfo(tmpctx, &addr.u.wireaddr);
}
if (af == -1 || ai == NULL)
err(1, "Initializing socket");
conn->fd = socket(af, SOCK_STREAM, 0);
if (conn->fd < 0)
err(1, "Creating socket");
memset(¬sosecret, 0x42, sizeof(notsosecret));
if (!pubkey_from_secret(¬sosecret, &us))
errx(1, "Creating pubkey");
if (connect(conn->fd, ai->ai_addr, ai->ai_addrlen) != 0)
err(1, "Connecting to %s", at+1);
initiator_handshake(conn, &us, &them, &addr, handshake_success, argv+2);
exit(0);
}