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d87ca4121d
The new onion uses the `channel_id` instead of the `node_id` of the next hop to identify where to forward the payment. So we return the exact channel chosen by the routing algo, to avoid having to look it up again later.
119 lines
4.4 KiB
C
119 lines
4.4 KiB
C
#ifndef LIGHTNING_DAEMON_JSON_H
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#define LIGHTNING_DAEMON_JSON_H
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#include "config.h"
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#include <bitcoin/pubkey.h>
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#include <ccan/tal/tal.h>
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#include <daemon/routing.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#define JSMN_STRICT 1
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# include "jsmn/jsmn.h"
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struct json_result;
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/* Include " if it's a string. */
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const char *json_tok_contents(const char *buffer, const jsmntok_t *t);
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/* Include " if it's a string. */
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int json_tok_len(const jsmntok_t *t);
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/* Is this a string equal to str? */
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bool json_tok_streq(const char *buffer, const jsmntok_t *tok, const char *str);
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/* Extract number from this (may be a string, or a number literal) */
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bool json_tok_number(const char *buffer, const jsmntok_t *tok,
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unsigned int *num);
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/* Extract number from this (may be a string, or a number literal) */
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bool json_tok_u64(const char *buffer, const jsmntok_t *tok,
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uint64_t *num);
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/* Extract double from this (must be a number literal) */
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bool json_tok_double(const char *buffer, const jsmntok_t *tok, double *num);
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/* Extract satoshis from this (may be a string, or a decimal number literal) */
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bool json_tok_bitcoin_amount(const char *buffer, const jsmntok_t *tok,
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uint64_t *satoshi);
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/* Extract boolean this (must be a true or false) */
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bool json_tok_bool(const char *buffer, const jsmntok_t *tok, bool *b);
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/* Is this the null primitive? */
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bool json_tok_is_null(const char *buffer, const jsmntok_t *tok);
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/* Returns next token with same parent. */
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const jsmntok_t *json_next(const jsmntok_t *tok);
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/* Get the parameters (by position or name). Followed by triples of
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* of const char *name, const jsmntok_t **ret_ptr, then NULL.
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*
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* If name starts with '?' it is optional (and will be set to NULL
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* if it's a literal 'null' or not present).
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* Otherwise false is returned.
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*/
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bool json_get_params(const char *buffer, const jsmntok_t param[], ...);
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/* Get top-level member. */
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const jsmntok_t *json_get_member(const char *buffer, const jsmntok_t tok[],
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const char *label);
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/* Get index'th array member. */
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const jsmntok_t *json_get_arr(const jsmntok_t tok[], size_t index);
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/* Guide is a string with . for members, [] around indexes. */
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const jsmntok_t *json_delve(const char *buffer,
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const jsmntok_t *tok,
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const char *guide);
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/* If input is complete and valid, return tokens. */
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jsmntok_t *json_parse_input(const char *input, int len, bool *valid);
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/* Creating JSON strings */
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/* '"fieldname" : [ ' or '[ ' if fieldname is NULL */
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void json_array_start(struct json_result *ptr, const char *fieldname);
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/* '"fieldname" : { ' or '{ ' if fieldname is NULL */
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void json_object_start(struct json_result *ptr, const char *fieldname);
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/* ' ], ' */
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void json_array_end(struct json_result *ptr);
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/* ' }, ' */
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void json_object_end(struct json_result *ptr);
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struct json_result *new_json_result(const tal_t *ctx);
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/* '"fieldname" : "value"' or '"value"' if fieldname is NULL*/
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void json_add_string(struct json_result *result, const char *fieldname, const char *value);
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/* '"fieldname" : literal' or 'literal' if fieldname is NULL*/
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void json_add_literal(struct json_result *result, const char *fieldname,
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const char *literal, int len);
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/* '"fieldname" : value' or 'value' if fieldname is NULL */
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void json_add_num(struct json_result *result, const char *fieldname,
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unsigned int value);
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/* '"fieldname" : value' or 'value' if fieldname is NULL */
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void json_add_u64(struct json_result *result, const char *fieldname,
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uint64_t value);
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/* '"fieldname" : true|false' or 'true|false' if fieldname is NULL */
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void json_add_bool(struct json_result *result, const char *fieldname,
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bool value);
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/* '"fieldname" : null' or 'null' if fieldname is NULL */
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void json_add_null(struct json_result *result, const char *fieldname);
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/* '"fieldname" : "0189abcdef..."' or "0189abcdef..." if fieldname is NULL */
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void json_add_hex(struct json_result *result, const char *fieldname,
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const void *data, size_t len);
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/* '"fieldname" : "0289abcdef..."' or "0289abcdef..." if fieldname is NULL */
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void json_add_pubkey(struct json_result *response,
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const char *fieldname,
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const struct pubkey *key);
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/* '"fieldname" : "1234/5/6"' */
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void json_add_short_channel_id(struct json_result *response,
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const char *fieldname,
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const struct short_channel_id *id);
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void json_add_object(struct json_result *result, ...);
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const char *json_result_string(const struct json_result *result);
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#endif /* LIGHTNING_DAEMON_JSON_H */
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