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77 lines
2.2 KiB
77 lines
2.2 KiB
#include <ccan/crc/crc.h>
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#include <ccan/err/err.h>
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#include <common/type_to_string.h>
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#include <common/utils.h>
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#include <fcntl.h>
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#include <common/gossip_store.h>
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#include <gossipd/gen_gossip_peerd_wire.h>
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#include <gossipd/gen_gossip_store.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <wire/gen_peer_wire.h>
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int main(int argc, char *argv[])
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{
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int fd;
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u8 version;
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beint32_t belen, becsum;
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setup_locale();
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if (argc > 2)
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errx(1, "Need the filename of a gossip store, or stdin");
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if (argc == 2) {
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fd = open(argv[1], O_RDONLY);
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if (fd < 0)
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err(1, "Opening %s", argv[1]);
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} else
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fd = STDIN_FILENO;
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if (read(fd, &version, sizeof(version)) != sizeof(version))
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errx(1, "Empty file");
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if (version != GOSSIP_STORE_VERSION)
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warnx("UNSUPPORTED GOSSIP VERSION %u (expected %u)",
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version, GOSSIP_STORE_VERSION);
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printf("GOSSIP VERSION %u\n", version);
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while (read(fd, &belen, sizeof(belen)) == sizeof(belen) &&
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read(fd, &becsum, sizeof(becsum)) == sizeof(becsum)) {
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struct amount_sat sat;
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struct short_channel_id scid;
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u32 msglen = be32_to_cpu(belen);
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u8 *msg = tal_arr(NULL, u8, msglen);
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if (read(fd, msg, msglen) != msglen)
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errx(1, "Truncated file?");
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if (be32_to_cpu(becsum) != crc32c(0, msg, msglen))
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warnx("Checksum verification failed");
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if (fromwire_gossip_store_channel_amount(msg, &sat)) {
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printf("channel_amount: %s\n",
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type_to_string(tmpctx, struct amount_sat, &sat));
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} else if (fromwire_peektype(msg) == WIRE_CHANNEL_ANNOUNCEMENT) {
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printf("channel_announcement: %s\n", tal_hex(msg, msg));
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} else if (fromwire_peektype(msg) == WIRE_CHANNEL_UPDATE) {
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printf("channel_update: %s\n", tal_hex(msg, msg));
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} else if (fromwire_peektype(msg) == WIRE_NODE_ANNOUNCEMENT) {
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printf("node_announcement: %s\n", tal_hex(msg, msg));
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} else if (fromwire_peektype(msg) == WIRE_GOSSIPD_LOCAL_ADD_CHANNEL) {
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printf("local_add_channel: %s\n", tal_hex(msg, msg));
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} else if (fromwire_gossip_store_channel_delete(msg, &scid)) {
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printf("channel_delete: %s\n",
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type_to_string(msg, struct short_channel_id,
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&scid));
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} else {
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warnx("Unknown message %u", fromwire_peektype(msg));
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}
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tal_free(msg);
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}
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return 0;
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}
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