mirror of
https://github.com/ElementsProject/lightning.git
synced 2024-11-19 09:54:16 +01:00
91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
#include <ccan/crypto/shachain/shachain.h>
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#include <ccan/short_types/short_types.h>
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#include <ccan/tal/tal.h>
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#include <ccan/opt/opt.h>
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#include <ccan/str/hex/hex.h>
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#include <ccan/err/err.h>
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#include <ccan/read_write_all/read_write_all.h>
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#include "lightning.pb-c.h"
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#include "bitcoin/base58.h"
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#include "pkt.h"
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#include "funding.h"
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#include "bitcoin/script.h"
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#include "bitcoin/address.h"
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#include "bitcoin/tx.h"
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#include "bitcoin/pubkey.h"
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#include "bitcoin/privkey.h"
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#include "bitcoin/shadouble.h"
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#include "commit_tx.h"
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#include "protobuf_convert.h"
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#include "find_p2sh_out.h"
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#include <unistd.h>
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#include <time.h>
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#include "opt_bits.h"
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int main(int argc, char *argv[])
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{
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const tal_t *ctx = tal_arr(NULL, char, 0);
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struct bitcoin_tx *anchor, *commit;
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OpenChannel *o1, *o2;
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OpenAnchor oa = OPEN_ANCHOR__INIT;
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struct sha256_double txid;
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struct sha256 rhash;
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struct pkt *pkt;
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uint64_t to_them, to_us;
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struct pubkey pubkey1, pubkey2;
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struct privkey privkey;
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struct signature sig;
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bool testnet;
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u8 *redeemscript;
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err_set_progname(argv[0]);
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opt_register_noarg("--help|-h", opt_usage_and_exit,
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"<open-channel-file1> <open-channel-file2> <anchor-tx-file> <commit-privkey1>\n"
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"A test program to output open_anchor message on stdout.",
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"Print this message.");
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opt_parse(&argc, argv, opt_log_stderr_exit);
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if (argc != 5)
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opt_usage_exit_fail("Expected 4 arguments");
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o1 = pkt_from_file(argv[1], PKT__PKT_OPEN)->open;
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o2 = pkt_from_file(argv[2], PKT__PKT_OPEN)->open;
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if (!proto_to_pubkey(o2->commit_key, &pubkey2))
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errx(1, "Invalid o2 commit_key");
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anchor = bitcoin_tx_from_file(ctx, argv[3]);
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bitcoin_txid(anchor, &txid);
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if (!key_from_base58(argv[4], strlen(argv[4]), &testnet, &privkey, &pubkey1))
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errx(1, "Invalid private key '%s'", argv[4]);
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if (!testnet)
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errx(1, "Private key '%s' not on testnet!", argv[4]);
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/* Figure out which output we want for commit tx. */
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redeemscript = bitcoin_redeem_2of2(ctx, &pubkey1, &pubkey2);
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oa.txid = sha256_to_proto(ctx, &txid.sha);
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oa.output_index = find_p2sh_out(anchor, redeemscript);
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oa.amount = anchor->output[oa.output_index].amount;
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/* Figure out initial how much to us, how much to them. */
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if (!initial_funding(o1, o2, &oa, commit_fee(o1, o2), &to_us, &to_them))
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errx(1, "Invalid open combination (need 1 anchor offer)");
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/* Now, create signature for their commitment tx. */
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proto_to_sha256(o2->revocation_hash, &rhash);
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commit = create_commit_tx(ctx, o2, o1, &oa, &rhash, to_them, to_us);
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sign_tx_input(ctx, commit, 0, redeemscript, tal_count(redeemscript),
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&privkey, &pubkey1, &sig);
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oa.commit_sig = signature_to_proto(ctx, &sig);
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pkt = open_anchor_pkt(ctx, &oa);
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if (!write_all(STDOUT_FILENO, pkt, pkt_totlen(pkt)))
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err(1, "Writing out packet");
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tal_free(ctx);
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return 0;
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}
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