core-lightning/lightningd/jsonrpc.h

106 lines
3.0 KiB
C

#ifndef LIGHTNING_LIGHTNINGD_JSONRPC_H
#define LIGHTNING_LIGHTNINGD_JSONRPC_H
#include "config.h"
#include <bitcoin/chainparams.h>
#include <ccan/autodata/autodata.h>
#include <ccan/list/list.h>
#include <common/json.h>
struct bitcoin_txid;
struct wireaddr;
/* Context for a command (from JSON, but might outlive the connection!)
* You can allocate off this for temporary objects. */
struct command {
/* Off jcon->commands */
struct list_node list;
/* The global state */
struct lightningd *ld;
/* The 'id' which we need to include in the response. */
const char *id;
/* The connection, or NULL if it closed. */
struct json_connection *jcon;
/* Have we been marked by command_still_pending? For debugging... */
bool pending;
};
struct json_connection {
/* The global state */
struct lightningd *ld;
/* Logging for this json connection. */
struct log *log;
/* The buffer (required to interpret tokens). */
char *buffer;
/* Internal state: */
/* How much is already filled. */
size_t used;
/* How much has just been filled. */
size_t len_read;
/* We've been told to stop. */
bool stop;
/* Current commands. */
struct list_head commands;
struct list_head output;
const char *outbuf;
};
struct json_command {
const char *name;
void (*dispatch)(struct command *,
const char *buffer, const jsmntok_t *params);
const char *description;
bool deprecated;
const char *verbose;
};
/* Get the parameters (by position or name). Followed by triples of
* of const char *name, const jsmntok_t **ret_ptr, then NULL.
*
* If name starts with '?' it is optional (and will be set to NULL
* if it's a literal 'null' or not present).
* Otherwise false is returned, and command_fail already called.
*/
bool json_get_params(struct command *cmd,
const char *buffer, const jsmntok_t param[], ...);
struct json_result *null_response(const tal_t *ctx);
void command_success(struct command *cmd, struct json_result *response);
void PRINTF_FMT(2, 3) command_fail(struct command *cmd, const char *fmt, ...);
void PRINTF_FMT(4, 5) command_fail_detailed(struct command *cmd,
int code,
const struct json_result *data,
const char *fmt, ...);
/* Mainly for documentation, that we plan to close this later. */
void command_still_pending(struct command *cmd);
/* For initialization */
void setup_jsonrpc(struct lightningd *ld, const char *rpc_filename);
enum address_parse_result {
/* Not recognized as an onchain address */
ADDRESS_PARSE_UNRECOGNIZED,
/* Recognized as an onchain address, but targets wrong network */
ADDRESS_PARSE_WRONG_NETWORK,
/* Recognized and succeeds */
ADDRESS_PARSE_SUCCESS,
};
/* Return result of address parsing and fills in *scriptpubkey
* allocated off ctx if ADDRESS_PARSE_SUCCESS
*/
enum address_parse_result
json_tok_address_scriptpubkey(const tal_t *ctx,
const struct chainparams *chainparams,
const char *buffer,
const jsmntok_t *tok, const u8 **scriptpubkey);
AUTODATA_TYPE(json_command, struct json_command);
#endif /* LIGHTNING_LIGHTNINGD_JSONRPC_H */