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58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
#include "config.h"
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#include <common/json_blinded_path.h>
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#include <common/json_parse.h>
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#include <wire/onion_wire.h>
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struct blinded_path *
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json_to_blinded_path(const tal_t *ctx, const char *buffer, const jsmntok_t *tok)
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{
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struct blinded_path *rpath;
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const jsmntok_t *hops, *t;
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size_t i;
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const char *err;
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struct pubkey first_node_id;
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struct short_channel_id_dir first_scidd;
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rpath = tal(ctx, struct blinded_path);
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/* It will give us either scid or node_id */
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memset(&first_scidd, 0, sizeof(first_scidd));
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err = json_scan(tmpctx, buffer, tok,
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"{first_path_key:%,"
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"first_node_id?:%,"
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"first_scid?:%,"
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"first_scid_dir?:%}",
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JSON_SCAN(json_to_pubkey, &rpath->first_path_key),
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JSON_SCAN(json_to_pubkey, &first_node_id),
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JSON_SCAN(json_to_short_channel_id, &first_scidd.scid),
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JSON_SCAN(json_to_int, &first_scidd.dir),
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NULL);
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if (err)
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return tal_free(rpath);
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if (first_scidd.scid.u64 != 0)
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sciddir_or_pubkey_from_scidd(&rpath->first_node_id, &first_scidd);
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else
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sciddir_or_pubkey_from_pubkey(&rpath->first_node_id, &first_node_id);
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hops = json_get_member(buffer, tok, "hops");
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if (!hops || hops->size < 1)
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return tal_free(rpath);
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rpath->path = tal_arr(rpath, struct blinded_path_hop *, hops->size);
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json_for_each_arr(i, t, hops) {
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rpath->path[i] = tal(rpath->path, struct blinded_path_hop);
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err = json_scan(tmpctx, buffer, t, "{blinded_node_id:%,encrypted_recipient_data:%}",
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JSON_SCAN(json_to_pubkey,
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&rpath->path[i]->blinded_node_id),
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JSON_SCAN_TAL(rpath->path[i],
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json_tok_bin_from_hex,
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&rpath->path[i]->encrypted_recipient_data));
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if (err)
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return tal_free(rpath);
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}
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return rpath;
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}
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