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libplugin: expose helpers to start and end a jsonrpc response

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The usual json_stream starters and command_result enders.
This commit is contained in:
darosior
2020-01-28 12:28:25 +01:00
committed by Rusty Russell
parent 9521549c49
commit 45e9f53c6b
2 changed files with 59 additions and 0 deletions
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40
plugins/libplugin.c
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@@ -150,6 +150,37 @@ static struct json_stream *jsonrpc_stream_start(struct command *cmd)
return js;
}
struct json_stream *jsonrpc_stream_success(struct command *cmd)
{
struct json_stream *js = jsonrpc_stream_start(cmd);
json_object_start(js, "result");
return js;
}
struct json_stream *jsonrpc_stream_fail(struct command *cmd,
int code,
const char *err)
{
struct json_stream *js = jsonrpc_stream_start(cmd);
json_object_start(js, "error");
json_add_member(js, "code", false, "%d", code);
json_add_string(js, "message", err);
return js;
}
struct json_stream *jsonrpc_stream_fail_data(struct command *cmd,
int code,
const char *err)
{
struct json_stream *js = jsonrpc_stream_fail(cmd, code, err);
json_object_start(js, "data");
return js;
}
static struct command_result *command_complete(struct command *cmd,
struct json_stream *result)
{
@@ -162,6 +193,15 @@ static struct command_result *command_complete(struct command *cmd,
return &complete;
}
struct command_result *WARN_UNUSED_RESULT
command_finished(struct command *cmd, struct json_stream *response)
{
/* "result" or "error" object */
json_object_end(response);
return command_complete(cmd, response);
}
struct json_out *json_out_obj(const tal_t *ctx,
const char *fieldname,
const char *str)