mirror of
https://github.com/ElementsProject/lightning.git
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46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
#include <ccan/crypto/shachain/shachain.h>
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#include <ccan/read_write_all/read_write_all.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 "bitcoin/tx.h"
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#include "version.h"
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#include <unistd.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 *tx;
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struct sha256_double txid;
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char str[hex_str_size(sizeof(txid))];
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err_set_progname(argv[0]);
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/* FIXME: Take update.pbs to adjust channel */
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opt_register_noarg("--help|-h", opt_usage_and_exit,
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"<tx>\n"
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"Print txid of the transaction in the file",
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"Print this message.");
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opt_register_version();
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opt_parse(&argc, argv, opt_log_stderr_exit);
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if (argc != 2)
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opt_usage_exit_fail("Expected 1 argument");
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tx = bitcoin_tx_from_file(ctx, argv[1]);
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bitcoin_txid(tx, &txid);
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if (!bitcoin_txid_to_hex(&txid, str, sizeof(str)))
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abort();
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/* Print it out. */
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if (!write_all(STDOUT_FILENO, str, strlen(str)))
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err(1, "Writing out txid");
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tal_free(ctx);
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return 0;
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}
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