core-lightning/common/bolt11_json.c
Rusty Russell 9450d46db1 bitcoin/short_channel_id: pass by copy everywhere.
It's a u64, we should pass by copy.  This is a big sweeping change,
but mainly mechanical (change one, compile, fix breakage, repeat).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2024-03-20 13:51:48 +10:30

125 lines
5.1 KiB
C

#include "config.h"
#include <bitcoin/address.h>
#include <bitcoin/base58.h>
#include <bitcoin/script.h>
#include <ccan/tal/str/str.h>
#include <common/addr.h>
#include <common/bech32.h>
#include <common/bolt11.h>
#include <common/bolt11_json.h>
#include <common/json_stream.h>
static void json_add_fallback(struct json_stream *response,
const char *fieldname,
const u8 *fallback,
const struct chainparams *chain)
{
char *addr;
const size_t fallback_len = tal_bytelen(fallback);
json_object_start(response, fieldname);
if (is_p2pkh(fallback, fallback_len, NULL)) {
json_add_string(response, "type", "P2PKH");
} else if (is_p2sh(fallback, fallback_len, NULL)) {
json_add_string(response, "type", "P2SH");
} else if (is_p2wpkh(fallback, fallback_len, NULL)) {
json_add_string(response, "type", "P2WPKH");
} else if (is_p2wsh(fallback, fallback_len, NULL)) {
json_add_string(response, "type", "P2WSH");
} else if (is_p2tr(fallback, fallback_len, NULL)) {
json_add_string(response, "type", "P2TR");
}
addr = encode_scriptpubkey_to_addr(tmpctx, chain, fallback);
if (addr)
json_add_string(response, "addr", addr);
json_add_hex_talarr(response, "hex", fallback);
json_object_end(response);
}
void json_add_bolt11(struct json_stream *response,
const struct bolt11 *b11)
{
json_add_string(response, "currency", b11->chain->lightning_hrp);
json_add_u64(response, "created_at", b11->timestamp);
json_add_u64(response, "expiry", b11->expiry);
json_add_node_id(response, "payee", &b11->receiver_id);
if (b11->msat)
json_add_amount_msat(response, "amount_msat", *b11->msat);
if (b11->description)
json_add_string(response, "description", b11->description);
if (b11->description_hash)
json_add_sha256(response, "description_hash",
b11->description_hash);
json_add_num(response, "min_final_cltv_expiry",
b11->min_final_cltv_expiry);
if (b11->payment_secret)
json_add_secret(response, "payment_secret",
b11->payment_secret);
if (b11->features)
json_add_hex_talarr(response, "features", b11->features);
if (b11->metadata)
json_add_hex_talarr(response, "payment_metadata", b11->metadata);
if (tal_count(b11->fallbacks)) {
json_array_start(response, "fallbacks");
for (size_t i = 0; i < tal_count(b11->fallbacks); i++)
json_add_fallback(response, NULL,
b11->fallbacks[i], b11->chain);
json_array_end(response);
}
if (tal_count(b11->routes)) {
size_t i, n;
json_array_start(response, "routes");
for (i = 0; i < tal_count(b11->routes); i++) {
json_array_start(response, NULL);
for (n = 0; n < tal_count(b11->routes[i]); n++) {
json_object_start(response, NULL);
json_add_node_id(response, "pubkey",
&b11->routes[i][n].pubkey);
json_add_short_channel_id(response,
"short_channel_id",
b11->routes[i][n]
.short_channel_id);
json_add_u64(response, "fee_base_msat",
b11->routes[i][n].fee_base_msat);
json_add_u64(response, "fee_proportional_millionths",
b11->routes[i][n].fee_proportional_millionths);
json_add_num(response, "cltv_expiry_delta",
b11->routes[i][n]
.cltv_expiry_delta);
json_object_end(response);
}
json_array_end(response);
}
json_array_end(response);
}
if (!list_empty(&b11->extra_fields)) {
struct bolt11_field *extra;
json_array_start(response, "extra");
list_for_each(&b11->extra_fields, extra, list) {
char *data = tal_arr(NULL, char, tal_count(extra->data)+1);
size_t i;
for (i = 0; i < tal_count(extra->data); i++)
data[i] = bech32_charset[extra->data[i]];
data[i] = '\0';
json_object_start(response, NULL);
json_add_string(response, "tag",
tal_fmt(data, "%c", extra->tag));
json_add_string(response, "data", data);
tal_free(data);
json_object_end(response);
}
json_array_end(response);
}
json_add_sha256(response, "payment_hash", &b11->payment_hash);
json_add_string(response, "signature",
fmt_secp256k1_ecdsa_signature(tmpctx, &b11->sig));
}