143 lines
3.8 KiB
C
143 lines
3.8 KiB
C
/* This plugin covers both sending and receiving offers */
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#include <ccan/array_size/array_size.h>
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#include <common/json_stream.h>
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#include <plugins/libplugin.h>
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#include <plugins/offers.h>
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#include <plugins/offers_invreq_hook.h>
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#include <plugins/offers_offer.h>
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struct pubkey32 id;
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u32 cltv_final;
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static struct command_result *finished(struct command *cmd,
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const char *buf,
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const jsmntok_t *result,
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void *unused)
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{
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return command_hook_success(cmd);
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}
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static struct command_result *sendonionmessage_error(struct command *cmd,
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const char *buf,
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const jsmntok_t *err,
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void *unused)
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{
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plugin_log(cmd->plugin, LOG_BROKEN,
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"sendoniomessage gave JSON error: %.*s",
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json_tok_full_len(err),
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json_tok_full(buf, err));
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return command_hook_success(cmd);
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}
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struct command_result *WARN_UNUSED_RESULT
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send_onion_reply(struct command *cmd,
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const char *jsonbuf,
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const jsmntok_t *replytok,
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const char *replyfield,
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const u8 *replydata)
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{
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struct out_req *req;
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size_t i;
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const jsmntok_t *t;
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plugin_log(cmd->plugin, LOG_DBG, "sending reply %s = %s",
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replyfield, tal_hex(tmpctx, replydata));
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/* Send to requester, using return route. */
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req = jsonrpc_request_start(cmd->plugin, cmd, "sendonionmessage",
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finished, sendonionmessage_error, NULL);
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/* Add reply into last hop. */
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json_array_start(req->js, "hops");
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json_for_each_arr(i, t, replytok) {
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size_t j;
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const jsmntok_t *t2;
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plugin_log(cmd->plugin, LOG_DBG, "hops[%zu/%i]",
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i, replytok->size);
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json_object_start(req->js, NULL);
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json_for_each_obj(j, t2, t)
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json_add_tok(req->js,
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json_strdup(tmpctx, jsonbuf, t2),
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t2+1, jsonbuf);
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if (i == replytok->size - 1) {
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plugin_log(cmd->plugin, LOG_DBG, "... adding %s",
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replyfield);
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json_add_hex_talarr(req->js, replyfield, replydata);
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}
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json_object_end(req->js);
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}
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json_array_end(req->js);
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return send_outreq(cmd->plugin, req);
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}
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static struct command_result *onion_message_call(struct command *cmd,
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const char *buf,
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const jsmntok_t *params)
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{
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const jsmntok_t *om, *invreqtok;
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om = json_get_member(buf, params, "onion_message");
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invreqtok = json_get_member(buf, om, "invoice_request");
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if (invreqtok) {
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const jsmntok_t *replytok;
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replytok = json_get_member(buf, om, "reply_path");
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if (replytok && replytok->size > 0)
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return handle_invoice_request(cmd, buf,
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invreqtok, replytok);
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else
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plugin_log(cmd->plugin, LOG_DBG,
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"invoice_request without reply_path");
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}
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return command_hook_success(cmd);
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}
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static const struct plugin_hook hooks[] = {
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{
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"onion_message",
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onion_message_call
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},
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};
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static void init(struct plugin *p,
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const char *buf UNUSED,
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const jsmntok_t *config UNUSED)
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{
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struct pubkey k;
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rpc_scan(p, "getinfo",
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take(json_out_obj(NULL, NULL, NULL)),
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"{id:%}", JSON_SCAN(json_to_pubkey, &k));
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if (secp256k1_xonly_pubkey_from_pubkey(secp256k1_ctx, &id.pubkey,
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NULL, &k.pubkey) != 1)
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abort();
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rpc_scan(p, "listconfigs",
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take(json_out_obj(NULL, "config", "cltv-final")),
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"{cltv-final:%}", JSON_SCAN(json_to_number, &cltv_final));
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}
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static const struct plugin_command commands[] = {
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{
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"offer",
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"payment",
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"Create an offer",
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"Create an offer for invoices of {amount} with {destination}, optional {vendor}, {quantity_min}, {quantity_max}, {absolute_expiry}, {recurrence}, {recurrence_base}, {recurrence_paywindow}, {recurrence_limit} and {single_use}",
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json_offer
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},
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};
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int main(int argc, char *argv[])
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{
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setup_locale();
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/* We deal in UTC; mktime() uses local time */
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setenv("TZ", "", 1);
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plugin_main(argv, init, PLUGIN_RESTARTABLE, true, NULL, commands,
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ARRAY_SIZE(commands), NULL, 0, hooks, ARRAY_SIZE(hooks),
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NULL);
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}
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