int main(int argc, char *argv[]) { const tal_t *ctx = tal_arr(NULL, char, 0); OpenAnchorScriptsigs *s; struct pkt *pkt; err_set_progname(argv[0]); opt_register_noarg("--help|-h", opt_usage_and_exit, "<open-anchor-sig-file>\n" "Create LeakAnchorSigsAndPretendWeDidnt to stdout", "Print this message."); opt_register_version(); opt_parse(&argc, argv, opt_log_stderr_exit); if (argc != 2) opt_usage_exit_fail("Expected 1 argument"); s = pkt_from_file(argv[1], PKT__PKT_OPEN_ANCHOR_SCRIPTSIGS) ->open_anchor_scriptsigs; pkt = leak_anchor_sigs_and_pretend_we_didnt_pkt(ctx, s); if (!write_all(STDOUT_FILENO, pkt, pkt_totlen(pkt))) err(1, "Writing out packet"); tal_free(ctx); return 0; }
int main(int argc, char *argv[]) { const tal_t *ctx = tal_arr(NULL, char, 0); struct sha256 seed, revocation_hash, rval; struct pkt *pkt; unsigned update_num; err_set_progname(argv[0]); opt_register_noarg("--help|-h", opt_usage_and_exit, "<seed> <update-number> <r-value>\n" "Create a new HTLC complete message", "Print this message."); opt_register_version(); opt_parse(&argc, argv, opt_log_stderr_exit); if (argc != 4) opt_usage_exit_fail("Expected 3 arguments"); if (!hex_decode(argv[1], strlen(argv[1]), &seed, sizeof(seed))) errx(1, "Invalid seed '%s' - need 256 hex bits", argv[1]); update_num = atoi(argv[2]); if (!update_num) errx(1, "Update number %s invalid", argv[2]); if (!hex_decode(argv[3], strlen(argv[3]), &rval, sizeof(rval))) errx(1, "Invalid rvalue '%s' - need 256 hex bits", argv[3]); /* Get next revocation hash. */ shachain_from_seed(&seed, update_num, &revocation_hash); sha256(&revocation_hash, revocation_hash.u.u8, sizeof(revocation_hash.u.u8)); pkt = update_htlc_complete_pkt(ctx, &revocation_hash, &rval); if (!write_all(STDOUT_FILENO, pkt, pkt_totlen(pkt))) err(1, "Writing out packet"); tal_free(ctx); return 0; }
int main(int argc, char *argv[]) { const tal_t *ctx = tal_arr(NULL, char, 0); struct sha256 seed, revocation_hash, their_rhash; OpenChannel *o1, *o2; Update *update; struct bitcoin_tx *anchor, *commit; struct sha256_double anchor_txid; struct pkt *pkt; struct bitcoin_signature sig; EC_KEY *privkey; bool testnet; struct pubkey pubkey1, pubkey2; u8 *redeemscript; int64_t delta; size_t i, p2sh_out; err_set_progname(argv[0]); opt_register_noarg("--help|-h", opt_usage_and_exit, "<seed> <anchor-tx> <open-channel-file1> <open-channel-file2> <commit-privkey> <update-protobuf> [previous-updates]\n" "Accept a new update message", "Print this message."); opt_parse(&argc, argv, opt_log_stderr_exit); if (argc < 6) opt_usage_exit_fail("Expected 5+ arguments"); if (!hex_decode(argv[1], strlen(argv[1]), &seed, sizeof(seed))) errx(1, "Invalid seed '%s' - need 256 hex bits", argv[1]); anchor = bitcoin_tx_from_file(ctx, argv[2]); bitcoin_txid(anchor, &anchor_txid); o1 = pkt_from_file(argv[3], PKT__PKT_OPEN)->open; o2 = pkt_from_file(argv[4], PKT__PKT_OPEN)->open; privkey = key_from_base58(argv[5], strlen(argv[5]), &testnet, &pubkey1); if (!privkey) errx(1, "Invalid private key '%s'", argv[5]); if (!testnet) errx(1, "Private key '%s' not on testnet!", argv[5]); update = pkt_from_file(argv[6], PKT__PKT_UPDATE)->update; /* Figure out cumulative delta since anchor. */ delta = update->delta; for (i = 7; i < argc; i++) { Update *u = pkt_from_file(argv[i], PKT__PKT_UPDATE)->update; delta += u->delta; } /* Get next revocation hash. */ shachain_from_seed(&seed, argc - 6, &revocation_hash); sha256(&revocation_hash, revocation_hash.u.u8, sizeof(revocation_hash.u.u8)); /* Get pubkeys */ if (!proto_to_pubkey(o1->anchor->pubkey, &pubkey2)) errx(1, "Invalid o1 commit pubkey"); if (pubkey_len(&pubkey1) != pubkey_len(&pubkey2) || memcmp(pubkey1.key, pubkey2.key, pubkey_len(&pubkey2)) != 0) errx(1, "o1 pubkey != this privkey"); if (!proto_to_pubkey(o2->anchor->pubkey, &pubkey2)) errx(1, "Invalid o2 final pubkey"); /* This is what the anchor pays to; figure out whick output. */ redeemscript = bitcoin_redeem_2of2(ctx, &pubkey1, &pubkey2); p2sh_out = find_p2sh_out(anchor, redeemscript); /* Now create THEIR new commitment tx to spend 2/2 output of anchor. */ proto_to_sha256(update->revocation_hash, &their_rhash); commit = create_commit_tx(ctx, o2, o1, &their_rhash, delta, &anchor_txid, p2sh_out); /* If contributions don't exceed fees, this fails. */ if (!commit) errx(1, "Delta too large"); /* Sign it for them. */ sign_tx_input(ctx, commit, 0, redeemscript, tal_count(redeemscript), privkey, &pubkey1, &sig.sig); pkt = update_accept_pkt(ctx, &sig.sig, &revocation_hash); if (!write_all(STDOUT_FILENO, pkt, pkt_totlen(pkt))) err(1, "Writing out packet"); tal_free(ctx); return 0; }
int main(int argc, char *argv[]) { const tal_t *ctx = tal_arr(NULL, char, 0); struct sha256 seed, preimage, our_rhash, their_rhash; OpenChannel *o1, *o2; OpenAnchor *a; struct bitcoin_tx *commit; struct pkt *pkt; struct bitcoin_signature sig; struct privkey privkey; bool testnet; struct pubkey pubkey1, pubkey2; u8 *redeemscript; size_t num_updates; struct channel_state *cstate; err_set_progname(argv[0]); opt_register_noarg("--help|-h", opt_usage_and_exit, "<seed> <open-channel-file1> <open-channel-file2> <open-anchor-file> <commit-privkey> <all-previous-updates>...\n" "Create a new update-channel-signature message", "Print this message."); opt_register_version(); opt_parse(&argc, argv, opt_log_stderr_exit); if (argc < 8) opt_usage_exit_fail("Expected 7+ arguments"); if (!hex_decode(argv[1], strlen(argv[1]), &seed, sizeof(seed))) errx(1, "Invalid seed '%s' - need 256 hex bits", 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 (!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]); sig.stype = SIGHASH_ALL; /* Figure out cumulative delta since anchor. */ cstate = gather_updates(ctx, o1, o2, a, commit_fee(o1, o2), argv + 6, &num_updates, &our_rhash, &their_rhash, &sig.sig); if (num_updates < 1) errx(1, "Expected at least one update!"); /* Give up revocation preimage for old tx. */ shachain_from_seed(&seed, num_updates - 1, &preimage); /* Get pubkeys */ if (!proto_to_pubkey(o1->commit_key, &pubkey2)) errx(1, "Invalid o1 commit pubkey"); if (!pubkey_eq(&pubkey1, &pubkey2)) errx(1, "o1 pubkey != this privkey"); if (!proto_to_pubkey(o2->commit_key, &pubkey2)) errx(1, "Invalid o2 commit pubkey"); /* This is what the anchor pays to. */ redeemscript = bitcoin_redeem_2of2(ctx, &pubkey1, &pubkey2); /* Check our new commit is signed correctly by them. */ commit = create_commit_tx(ctx, o1, o2, a, &our_rhash, cstate); if (!commit) errx(1, "Invalid packets"); /* Check their signature signs this input correctly. */ if (!check_tx_sig(commit, 0, redeemscript, tal_count(redeemscript), &pubkey2, &sig)) errx(1, "Invalid signature."); /* Now create THEIR new commitment tx to spend 2/2 output of anchor. */ invert_cstate(cstate); commit = create_commit_tx(ctx, o2, o1, a, &their_rhash, cstate); if (!commit) errx(1, "Invalid packets"); /* Their pubkey must be valid */ if (!proto_to_pubkey(o2->commit_key, &pubkey2)) errx(1, "Invalid public open-channel-file2"); /* Sign it for them. */ sign_tx_input(ctx, commit, 0, redeemscript, tal_count(redeemscript), &privkey, &pubkey1, &sig.sig); pkt = update_signature_pkt(ctx, &sig.sig, &preimage); if (!write_all(STDOUT_FILENO, pkt, pkt_totlen(pkt))) err(1, "Writing out packet"); tal_free(ctx); return 0; }
int main(int argc, char *argv[]) { const tal_t *ctx = tal_arr(NULL, char, 0); struct sha256 seed, revocation_hash, their_rhash; OpenChannel *o1, *o2; OpenAnchor *a; struct bitcoin_tx *commit; struct pkt *pkt; struct bitcoin_signature sig; struct privkey privkey; bool testnet; size_t num_updates; struct pubkey pubkey1, pubkey2; u8 *redeemscript; struct channel_state *cstate; err_set_progname(argv[0]); opt_register_noarg("--help|-h", opt_usage_and_exit, "<seed> <open-channel-file1> <open-channel-file2> <open-anchor-file> <commit-privkey> <all-updates...>\n" "Accept a new update message", "Print this message."); opt_register_version(); opt_parse(&argc, argv, opt_log_stderr_exit); if (argc < 7) opt_usage_exit_fail("Expected 6+ arguments"); if (!hex_decode(argv[1], strlen(argv[1]), &seed, sizeof(seed))) errx(1, "Invalid seed '%s' - need 256 hex bits", 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 (!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]); /* Figure out cumulative delta since anchor. */ cstate = gather_updates(ctx, o1, o2, a, commit_fee(o1, o2), argv + 6, &num_updates, NULL, &their_rhash, NULL); /* Get next revocation hash. */ shachain_from_seed(&seed, num_updates, &revocation_hash); sha256(&revocation_hash, revocation_hash.u.u8, sizeof(revocation_hash.u.u8)); /* Get pubkeys */ if (!proto_to_pubkey(o1->commit_key, &pubkey2)) errx(1, "Invalid o1 commit pubkey"); if (!pubkey_eq(&pubkey1, &pubkey2)) errx(1, "o1 pubkey != this privkey"); if (!proto_to_pubkey(o2->commit_key, &pubkey2)) errx(1, "Invalid o2 commit pubkey"); /* This is what the anchor pays to; figure out whick output. */ redeemscript = bitcoin_redeem_2of2(ctx, &pubkey1, &pubkey2); /* Now create THEIR new commitment tx to spend 2/2 output of anchor. */ invert_cstate(cstate); commit = create_commit_tx(ctx, o2, o1, a, &their_rhash, cstate); /* If contributions don't exceed fees, this fails. */ if (!commit) errx(1, "Delta too large"); /* Sign it for them. */ sign_tx_input(ctx, commit, 0, redeemscript, tal_count(redeemscript), &privkey, &pubkey1, &sig.sig); pkt = update_accept_pkt(ctx, &sig.sig, &revocation_hash); if (!write_all(STDOUT_FILENO, pkt, pkt_totlen(pkt))) err(1, "Writing out packet"); tal_free(ctx); return 0; }
int main(int argc, char *argv[]) { const tal_t *ctx = tal_arr(NULL, char, 0); struct sha256 seed, our_rhash, their_rhash, preimage; OpenChannel *o1, *o2; OpenAnchor *a; struct pkt *pkt; struct bitcoin_tx *commit; struct pubkey pubkey1, pubkey2; size_t num_updates; struct bitcoin_signature sig; u8 *redeemscript; struct channel_state *cstate; err_set_progname(argv[0]); opt_register_noarg("--help|-h", opt_usage_and_exit, "<seed> <open-channel-file1> <open-channel-file2> <open-anchor-file> <all-previous-updates>\n" "Create a new update-complete message", "Print this message."); opt_register_version(); opt_parse(&argc, argv, opt_log_stderr_exit); if (argc < 7) opt_usage_exit_fail("Expected 6+ arguments"); if (!hex_decode(argv[1], strlen(argv[1]), &seed, sizeof(seed))) errx(1, "Invalid seed '%s' - need 256 hex bits", 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; sig.stype = SIGHASH_ALL; /* This also checks that preimage is correct! */ cstate = gather_updates(ctx, o1, o2, a, commit_fee(o1, o2), argv + 5, &num_updates, &our_rhash, &their_rhash, &sig.sig); if (num_updates < 1) errx(1, "Expected at least one update!"); /* Get pubkeys */ if (!proto_to_pubkey(o1->commit_key, &pubkey1)) errx(1, "Invalid o1 commit pubkey"); if (!proto_to_pubkey(o2->commit_key, &pubkey2)) errx(1, "Invalid o2 commit pubkey"); /* This is what the anchor pays to. */ redeemscript = bitcoin_redeem_2of2(ctx, &pubkey1, &pubkey2); /* Check their signature signs our new commit tx correctly. */ commit = create_commit_tx(ctx, o1, o2, a, &our_rhash, cstate); if (!commit) errx(1, "Delta too large"); if (!check_tx_sig(commit, 0, redeemscript, tal_count(redeemscript), &pubkey2, &sig)) errx(1, "Invalid signature."); /* Hand over our preimage for previous tx. */ shachain_from_seed(&seed, num_updates - 1, &preimage); pkt = update_complete_pkt(ctx, &preimage); if (!write_all(STDOUT_FILENO, pkt, pkt_totlen(pkt))) err(1, "Writing out packet"); tal_free(ctx); return 0; }
int main(int argc, char *argv[]) { const tal_t *ctx = tal_arr(NULL, char, 0); OpenChannel *o1, *o2; OpenAnchor *a; struct bitcoin_tx *close_tx; struct pkt *pkt; struct signature sig; struct privkey privkey; bool testnet; struct pubkey pubkey1, pubkey2; u8 *redeemscript; char *close_file = NULL; u64 close_fee = 10000; struct channel_state *cstate; err_set_progname(argv[0]); opt_register_arg("--complete=<close-msg-file>", opt_set_charp, NULL, &close_file, "Create a close_transaction_complete msg instead"); opt_register_noarg("--help|-h", opt_usage_and_exit, "<open-channel-file1> <open-channel-file2> <anchor-file> <commit-privkey> [{+/-}update-protobuf]...\n" "Create the signature needed for the close transaction", "Print this message."); opt_register_arg("--close-fee=<bits>", opt_set_bits, opt_show_bits, &close_fee, "100's of satoshi to pay for close tx"); opt_register_version(); opt_parse(&argc, argv, opt_log_stderr_exit); if (argc < 5) opt_usage_exit_fail("Expected 4+ arguments"); o1 = pkt_from_file(argv[1], PKT__PKT_OPEN)->open; o2 = pkt_from_file(argv[2], PKT__PKT_OPEN)->open; a = pkt_from_file(argv[3], PKT__PKT_OPEN_ANCHOR)->open_anchor; if (!key_from_base58(argv[4], strlen(argv[4]), &testnet, &privkey, &pubkey1)) errx(1, "Invalid private key '%s'", argv[4]); if (!testnet) errx(1, "Private key '%s' not on testnet!", argv[4]); if (close_file) { CloseChannel *c; c = pkt_from_file(close_file, PKT__PKT_CLOSE)->close; close_fee = c->close_fee; } cstate = gather_updates(ctx, o1, o2, a, close_fee, argv + 5, NULL, NULL, NULL, NULL); /* Get pubkeys */ if (!proto_to_pubkey(o1->commit_key, &pubkey2)) errx(1, "Invalid o1 commit pubkey"); if (pubkey_len(&pubkey1) != pubkey_len(&pubkey2) || memcmp(pubkey1.key, pubkey2.key, pubkey_len(&pubkey2)) != 0) errx(1, "o1 pubkey != this privkey"); if (!proto_to_pubkey(o2->commit_key, &pubkey2)) errx(1, "Invalid o2 commit pubkey"); /* This is what the anchor pays to. */ redeemscript = bitcoin_redeem_2of2(ctx, &pubkey1, &pubkey2); close_tx = create_close_tx(ctx, o1, o2, a, cstate->a.pay, cstate->b.pay); /* Sign it for them. */ sign_tx_input(ctx, close_tx, 0, redeemscript, tal_count(redeemscript), &privkey, &pubkey1, &sig); if (close_file) pkt = close_channel_complete_pkt(ctx, &sig); else pkt = close_channel_pkt(ctx, close_fee, &sig); if (!write_all(STDOUT_FILENO, pkt, pkt_totlen(pkt))) err(1, "Writing out packet"); tal_free(ctx); return 0; }