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39f0dfb664
This isn't a big change, since we basically dump the entire JSON resuly string into the membuf then write it out, but it's prep for the next changes. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
#ifndef LIGHTNING_LIGHTNINGD_JSONRPC_H
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#define LIGHTNING_LIGHTNINGD_JSONRPC_H
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#include "config.h"
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#include <bitcoin/chainparams.h>
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#include <ccan/autodata/autodata.h>
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#include <ccan/list/list.h>
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#include <ccan/membuf/membuf.h>
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#include <common/io_lock.h>
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#include <common/json.h>
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struct bitcoin_txid;
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struct wireaddr;
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struct wallet_tx;
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/* The command mode tells param() how to process. */
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enum command_mode {
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/* Normal command processing */
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CMD_NORMAL,
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/* Create command usage string, nothing else. */
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CMD_USAGE
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};
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/* Context for a command (from JSON, but might outlive the connection!)
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* You can allocate off this for temporary objects. */
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struct command {
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/* The global state */
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struct lightningd *ld;
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/* The 'id' which we need to include in the response. */
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const char *id;
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/* What command we're running (for logging) */
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const struct json_command *json_cmd;
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/* The connection, or NULL if it closed. */
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struct json_connection *jcon;
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/* Have we been marked by command_still_pending? For debugging... */
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bool pending;
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/* Tell param() how to process the command */
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enum command_mode mode;
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/* This is created if mode is CMD_USAGE */
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const char *usage;
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bool *ok;
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};
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struct json_connection {
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/* The global state */
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struct lightningd *ld;
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/* Logging for this json connection. */
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struct log *log;
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/* The buffer (required to interpret tokens). */
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char *buffer;
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/* Internal state: */
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/* How much is already filled. */
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size_t used;
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/* How much has just been filled. */
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size_t len_read;
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/* We've been told to stop. */
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bool stop;
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/* Current command. */
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struct command *command;
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/* Current command's output. */
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MEMBUF(char) outbuf;
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/* How much we're writing right now. */
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size_t out_amount;
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struct io_lock *lock;
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};
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struct json_command {
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const char *name;
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void (*dispatch)(struct command *,
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const char *buffer, const jsmntok_t *params);
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const char *description;
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bool deprecated;
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const char *verbose;
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};
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struct json_result *null_response(const tal_t *ctx);
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void command_success(struct command *cmd, struct json_result *response);
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void PRINTF_FMT(3, 4) command_fail(struct command *cmd, int code,
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const char *fmt, ...);
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void PRINTF_FMT(4, 5) command_fail_detailed(struct command *cmd,
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int code,
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const struct json_result *data,
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const char *fmt, ...);
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/* Mainly for documentation, that we plan to close this later. */
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void command_still_pending(struct command *cmd);
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/* For initialization */
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void setup_jsonrpc(struct lightningd *ld, const char *rpc_filename);
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enum address_parse_result {
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/* Not recognized as an onchain address */
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ADDRESS_PARSE_UNRECOGNIZED,
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/* Recognized as an onchain address, but targets wrong network */
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ADDRESS_PARSE_WRONG_NETWORK,
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/* Recognized and succeeds */
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ADDRESS_PARSE_SUCCESS,
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};
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/* Return result of address parsing and fills in *scriptpubkey
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* allocated off ctx if ADDRESS_PARSE_SUCCESS
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*/
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enum address_parse_result json_tok_address_scriptpubkey(const tal_t *ctx,
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const struct chainparams *chainparams,
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const char *buffer,
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const jsmntok_t *tok, const u8 **scriptpubkey);
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/* Parse the satoshi token in wallet_tx. */
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bool json_tok_wtx(struct wallet_tx * tx, const char * buffer,
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const jsmntok_t * sattok, u64 max);
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AUTODATA_TYPE(json_command, struct json_command);
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#endif /* LIGHTNING_LIGHTNINGD_JSONRPC_H */
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