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lightningd: tighten interal json_stream API. 

Move it closer to ccan/json_out, in preparation for using that as a
replacement.

In particular:

1. Add a 'quote' field in json_add_member.
2. json_add_member now always escapes if 'quote' is true.
3. json_member_direct is exposed to allow avoiding of escaping.
4. json_add_hex can use this, so no longer needs to be in json_stream.c.
5. We don't make JSON manually, but always use helpers.
6. We now flush the stream (wake reader) only when we close it, or mark
   command as pending.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
pull/2938/head
Rusty Russell 6 years ago
parent
adc4bf1817
commit
7f75043ab2
9 changed files with 154 additions and 169 deletions
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  1. 62
      lightningd/json.c
  2. 126
      lightningd/json_stream.c
  3. 39
      lightningd/json_stream.h
  4. 66
      lightningd/jsonrpc.c
  5. 2
      lightningd/jsonrpc.h
  6. 2
      lightningd/peer_control.c
  7. 10
      lightningd/plugin.c
  8. 4
      lightningd/test/run-invoice-select-inchan.c
  9. 4
      wallet/test/run-wallet.c

62
lightningd/json.c
View File

@ -127,7 +127,7 @@ void json_add_short_channel_id(struct json_stream *response,
const char *fieldname, const char *fieldname,
const struct short_channel_id *scid) const struct short_channel_id *scid)
{ {
json_add_member(response, fieldname, "\"%dx%dx%d\"", json_add_member(response, fieldname, true, "%dx%dx%d",
short_channel_id_blocknum(scid), short_channel_id_blocknum(scid),
short_channel_id_txnum(scid), short_channel_id_txnum(scid),
short_channel_id_outnum(scid)); short_channel_id_outnum(scid));
@ -309,60 +309,78 @@ void json_add_address_internal(struct json_stream *response,
void json_add_num(struct json_stream *result, const char *fieldname, unsigned int value) void json_add_num(struct json_stream *result, const char *fieldname, unsigned int value)
{ {
json_add_member(result, fieldname, "%u", value); json_add_member(result, fieldname, false, "%u", value);
} }
void json_add_double(struct json_stream *result, const char *fieldname, double value) void json_add_double(struct json_stream *result, const char *fieldname, double value)
{ {
json_add_member(result, fieldname, "%f", value); json_add_member(result, fieldname, false, "%f", value);
} }
void json_add_u64(struct json_stream *result, const char *fieldname, void json_add_u64(struct json_stream *result, const char *fieldname,
uint64_t value) uint64_t value)
{ {
json_add_member(result, fieldname, "%"PRIu64, value); json_add_member(result, fieldname, false, "%"PRIu64, value);
} }
void json_add_s64(struct json_stream *result, const char *fieldname, void json_add_s64(struct json_stream *result, const char *fieldname,
int64_t value) int64_t value)
{ {
json_add_member(result, fieldname, "%"PRIi64, value); json_add_member(result, fieldname, false, "%"PRIi64, value);
} }
void json_add_u32(struct json_stream *result, const char *fieldname, void json_add_u32(struct json_stream *result, const char *fieldname,
uint32_t value) uint32_t value)
{ {
json_add_member(result, fieldname, "%d", value); json_add_member(result, fieldname, false, "%u", value);
} }
void json_add_s32(struct json_stream *result, const char *fieldname, void json_add_s32(struct json_stream *result, const char *fieldname,
int32_t value) int32_t value)
{ {
json_add_member(result, fieldname, "%d", value); json_add_member(result, fieldname, false, "%d", value);
} }
void json_add_literal(struct json_stream *result, const char *fieldname, void json_add_literal(struct json_stream *result, const char *fieldname,
const char *literal, int len) const char *literal, int len)
{ {
json_add_member(result, fieldname, "%.*s", len, literal); /* Literal may contain quotes, so bypass normal checks */
char *dest = json_member_direct(result, fieldname, strlen(literal));
if (dest)
memcpy(dest, literal, strlen(literal));
} }
void json_add_string(struct json_stream *result, const char *fieldname, const char *value TAKES) void json_add_string(struct json_stream *result, const char *fieldname, const char *value TAKES)
{ {
struct json_escape *esc = json_partial_escape(NULL, value); json_add_member(result, fieldname, true, "%s", value);
if (taken(value))
json_add_member(result, fieldname, "\"%s\"", esc->s); tal_free(value);
tal_free(esc);
} }
void json_add_bool(struct json_stream *result, const char *fieldname, bool value) void json_add_bool(struct json_stream *result, const char *fieldname, bool value)
{ {
json_add_member(result, fieldname, value ? "true" : "false"); json_add_member(result, fieldname, false, value ? "true" : "false");
} }
void json_add_null(struct json_stream *stream, const char *fieldname) void json_add_null(struct json_stream *stream, const char *fieldname)
{ {
json_add_member(stream, fieldname, "null"); json_add_member(stream, fieldname, false, "null");
}
void json_add_hex(struct json_stream *js, const char *fieldname,
const void *data, size_t len)
{
/* Size without NUL term */
size_t hexlen = hex_str_size(len) - 1;
char *dest;
dest = json_member_direct(js, fieldname, 1 + hexlen + 1);
if (dest) {
dest[0] = '"';
if (!hex_encode(data, len, dest + 1, hexlen + 1))
abort();
dest[1+hexlen] = '"';
}
} }
void json_add_hex_talarr(struct json_stream *result, void json_add_hex_talarr(struct json_stream *result,
@ -382,7 +400,15 @@ void json_add_tx(struct json_stream *result,
void json_add_escaped_string(struct json_stream *result, const char *fieldname, void json_add_escaped_string(struct json_stream *result, const char *fieldname,
const struct json_escape *esc TAKES) const struct json_escape *esc TAKES)
{ {
json_add_member(result, fieldname, "\"%s\"", esc->s); /* Already escaped, don't re-escape! */
char *dest = json_member_direct(result, fieldname,
1 + strlen(esc->s) + 1);
if (dest) {
dest[0] = '"';
memcpy(dest + 1, esc->s, strlen(esc->s));
dest[1+strlen(esc->s)] = '"';
}
if (taken(esc)) if (taken(esc))
tal_free(esc); tal_free(esc);
} }
@ -400,7 +426,7 @@ void json_add_amount_msat_only(struct json_stream *result,
const char *msatfieldname, const char *msatfieldname,
struct amount_msat msat) struct amount_msat msat)
{ {
json_add_member(result, msatfieldname, "\"%s\"", json_add_string(result, msatfieldname,
type_to_string(tmpctx, struct amount_msat, &msat)); type_to_string(tmpctx, struct amount_msat, &msat));
} }
@ -419,14 +445,14 @@ void json_add_amount_sat_only(struct json_stream *result,
{ {
struct amount_msat msat; struct amount_msat msat;
if (amount_sat_to_msat(&msat, sat)) if (amount_sat_to_msat(&msat, sat))
json_add_member(result, msatfieldname, "\"%s\"", json_add_string(result, msatfieldname,
type_to_string(tmpctx, struct amount_msat, &msat)); type_to_string(tmpctx, struct amount_msat, &msat));
} }
void json_add_timeabs(struct json_stream *result, const char *fieldname, void json_add_timeabs(struct json_stream *result, const char *fieldname,
struct timeabs t) struct timeabs t)
{ {
json_add_member(result, fieldname, "%" PRIu64 ".%03" PRIu64, json_add_member(result, fieldname, false, "%" PRIu64 ".%03" PRIu64,
(u64)t.ts.tv_sec, (u64)t.ts.tv_nsec / 1000000); (u64)t.ts.tv_sec, (u64)t.ts.tv_nsec / 1000000);
} }

126
lightningd/json_stream.c
View File

@ -1,7 +1,9 @@
#include <ccan/io/io.h> #include <ccan/io/io.h>
/* To reach into io_plan: not a public header! */ /* To reach into io_plan: not a public header! */
#include <ccan/io/backend.h> #include <ccan/io/backend.h>
#include <ccan/json_escape/json_escape.h>
#include <ccan/str/hex/hex.h> #include <ccan/str/hex/hex.h>
#include <ccan/tal/str/str.h>
#include <common/daemon.h> #include <common/daemon.h>
#include <common/utils.h> #include <common/utils.h>
#include <lightningd/json.h> #include <lightningd/json.h>
@ -94,15 +96,6 @@ bool json_stream_still_writing(const struct json_stream *js)
return js->writer != NULL; return js->writer != NULL;
} }
void json_stream_close(struct json_stream *js, struct command *writer)
{
/* FIXME: We use writer == NULL for malformed: make writer a void *?
* I used to assert(writer); here. */
assert(js->writer == writer);
js->writer = NULL;
}
void json_stream_log_suppress(struct json_stream *js, const char *cmd_name) void json_stream_log_suppress(struct json_stream *js, const char *cmd_name)
{ {
/* Really shouldn't be used for anything else */ /* Really shouldn't be used for anything else */
@ -146,67 +139,30 @@ static char *mkroom(struct json_stream *js, size_t len)
return membuf_space(&js->outbuf); return membuf_space(&js->outbuf);
} }
/* Also called when we're oom, so it will kill reader. */ void json_stream_append(struct json_stream *js,
static void js_written_some(struct json_stream *js) const char *str, size_t len)
{
/* Wake the stream reader. FIXME: Could have a flag here to optimize */
io_wake(js);
}
void json_stream_append_part(struct json_stream *js, const char *str, size_t len)
{ {
if (js->oom || !mkroom(js, len)) if (js->oom || !mkroom(js, len))
return; return;
memcpy(membuf_add(&js->outbuf, len), str, len); memcpy(membuf_add(&js->outbuf, len), str, len);
js_written_some(js);
}
void json_stream_append(struct json_stream *js, const char *str)
{
json_stream_append_part(js, str, strlen(str));
} }
static void json_stream_append_vfmt(struct json_stream *js, void json_stream_close(struct json_stream *js, struct command *writer)
const char *fmt, va_list ap)
{ {
size_t fmtlen; /* FIXME: We use writer == NULL for malformed: make writer a void *?
va_list ap2; * I used to assert(writer); here. */
assert(js->writer == writer);
if (js->oom)
return;
/* Make a copy in case we need it below. */
va_copy(ap2, ap);
/* Try printing in place first. */
fmtlen = vsnprintf(membuf_space(&js->outbuf),
membuf_num_space(&js->outbuf), fmt, ap);
/* Horrible subtlety: vsnprintf *will* NUL terminate, even if it means
* chopping off the last character. So if fmtlen ==
* membuf_num_space(&jcon->outbuf), the result was truncated! */
if (fmtlen >= membuf_num_space(&js->outbuf)) {
/* Make room for NUL terminator, even though we don't want it */
char *p = mkroom(js, fmtlen + 1);
if (!p)
goto oom;
vsprintf(p, fmt, ap2);
}
membuf_added(&js->outbuf, fmtlen);
oom: json_stream_append(js, "\n\n", strlen("\n\n"));
js_written_some(js); json_stream_flush(js);
va_end(ap2); js->writer = NULL;
} }
void PRINTF_FMT(2,3) /* Also called when we're oom, so it will kill reader. */
json_stream_append_fmt(struct json_stream *js, const char *fmt, ...) void json_stream_flush(struct json_stream *js)
{ {
va_list ap; /* Wake the stream reader. FIXME: Could have a flag here to optimize */
io_wake(js);
va_start(ap, fmt);
json_stream_append_vfmt(js, fmt, ap);
va_end(ap);
} }
static void check_fieldname(const struct json_stream *js, static void check_fieldname(const struct json_stream *js,
@ -226,10 +182,7 @@ static void check_fieldname(const struct json_stream *js,
#endif #endif
} }
/* Caller must call js_written_some() if extra is non-zero returns non-NULL! char *json_member_direct(struct json_stream *js,
* Can return NULL, beware:
*/
static char *json_start_member(struct json_stream *js,
const char *fieldname, size_t extra) const char *fieldname, size_t extra)
{ {
char *dest; char *dest;
@ -291,61 +244,60 @@ static void js_unindent(struct json_stream *js, jsmntype_t type)
void json_array_start(struct json_stream *js, const char *fieldname) void json_array_start(struct json_stream *js, const char *fieldname)
{ {
char *dest = json_start_member(js, fieldname, 1); char *dest = json_member_direct(js, fieldname, 1);
if (dest) if (dest)
dest[0] = '['; dest[0] = '[';
js_written_some(js);
js_indent(js, JSMN_ARRAY); js_indent(js, JSMN_ARRAY);
} }
void json_array_end(struct json_stream *js) void json_array_end(struct json_stream *js)
{ {
js_unindent(js, JSMN_ARRAY); js_unindent(js, JSMN_ARRAY);
json_stream_append(js, "]"); json_stream_append(js, "]", 1);
} }
void json_object_start(struct json_stream *js, const char *fieldname) void json_object_start(struct json_stream *js, const char *fieldname)
{ {
char *dest = json_start_member(js, fieldname, 1); char *dest = json_member_direct(js, fieldname, 1);
if (dest) if (dest)
dest[0] = '{'; dest[0] = '{';
js_written_some(js);
js_indent(js, JSMN_OBJECT); js_indent(js, JSMN_OBJECT);
} }
void json_object_end(struct json_stream *js) void json_object_end(struct json_stream *js)
{ {
js_unindent(js, JSMN_OBJECT); js_unindent(js, JSMN_OBJECT);
json_stream_append(js, "}"); json_stream_append(js, "}", 1);
} }
void PRINTF_FMT(3,4) void json_add_member(struct json_stream *js,
json_add_member(struct json_stream *js, const char *fieldname, const char *fieldname,
bool quote,
const char *fmt, ...) const char *fmt, ...)
{ {
va_list ap; va_list ap;
char *str, *p;
json_start_member(js, fieldname, 0);
va_start(ap, fmt); va_start(ap, fmt);
json_stream_append_vfmt(js, fmt, ap); str = tal_vfmt(NULL, fmt, ap);
va_end(ap); va_end(ap);
}
void json_add_hex(struct json_stream *js, const char *fieldname, if (quote) {
const void *data, size_t len) struct json_escape *e = json_escape(NULL, take(str));
{
/* Size without NUL term */
size_t hexlen = hex_str_size(len) - 1;
char *dest;
dest = json_start_member(js, fieldname, 1 + hexlen + 1); p = json_member_direct(js, fieldname, strlen(e->s) + 2);
if (dest) { if (!p)
dest[0] = '"'; return;
if (!hex_encode(data, len, dest + 1, hexlen + 1)) p[0] = p[1 + strlen(e->s)] = '"';
abort(); memcpy(p+1, e->s, strlen(e->s));
dest[1+hexlen] = '"'; tal_free(e);
} else {
p = json_member_direct(js, fieldname, strlen(str));
if (!p)
return;
memcpy(p, str, strlen(str));
tal_free(str);
} }
js_written_some(js);
} }
/* This is where we read the json_stream and write it to conn */ /* This is where we read the json_stream and write it to conn */

39
lightningd/json_stream.h
View File

@ -74,35 +74,36 @@ void json_object_end(struct json_stream *js);
* json_stream_append - literally insert this string into the json_stream. * json_stream_append - literally insert this string into the json_stream.
* @js: the json_stream. * @js: the json_stream.
* @str: the string. * @str: the string.
*/
void json_stream_append(struct json_stream *js, const char *str);
/**
* json_stream_append_part - literally insert part of string into json_stream.
* @js: the json_stream.
* @str: the string.
* @len: the length to append (<= strlen(str)). * @len: the length to append (<= strlen(str)).
*/ */
void json_stream_append_part(struct json_stream *js, const char *str, void json_stream_append(struct json_stream *js, const char *str, size_t len);
size_t len);
/** /**
* json_stream_append_fmt - insert formatted string into the json_stream. * json_add_member - add a generic member.
* @js: the json_stream. * @js: the json_stream.
* @fieldname: fieldname (if in object), otherwise must be NULL.
* @quote: true if should be escaped and wrapped in "".
* @fmt...: the printf-style format * @fmt...: the printf-style format
*
* The resulting string from @fmt is escaped if quote is true:
* see json_member_direct to avoid quoting.
*/ */
PRINTF_FMT(2,3) PRINTF_FMT(4,5)
void json_stream_append_fmt(struct json_stream *js, const char *fmt, ...); void json_add_member(struct json_stream *js,
const char *fieldname,
bool quote,
const char *fmt, ...);
/** /**
* json_add_member - add a generic member. * json_member_direct - start a generic member.
* @js: the json_stream. * @js: the json_stream.
* @fieldname: optional fieldname. * @fieldname: fieldname (if in object), otherwise must be NULL.
* @fmt...: the printf-style format * @extra: the space to reserve.
*
* Returns NULL if oom, otherwise returns a ptr to @extra bytes.
*/ */
PRINTF_FMT(3,4) char *json_member_direct(struct json_stream *js,
void json_add_member(struct json_stream *js, const char *fieldname, const char *fieldname, size_t extra);
const char *fmt, ...);
/** /**
* json_stream_output - start writing out a json_stream to this conn. * json_stream_output - start writing out a json_stream to this conn.
@ -127,4 +128,6 @@ struct io_plan *json_stream_output_(struct json_stream *js,
void *arg), void *arg),
void *arg); void *arg);
void json_stream_flush(struct json_stream *js);
#endif /* LIGHTNING_LIGHTNINGD_JSON_STREAM_H */ #endif /* LIGHTNING_LIGHTNINGD_JSON_STREAM_H */

66
lightningd/jsonrpc.c
View File

@ -430,8 +430,9 @@ struct command_result *command_success(struct command *cmd,
struct json_stream *result) struct json_stream *result)
{ {
assert(cmd); assert(cmd);
assert(cmd->have_json_stream); assert(cmd->json_stream == result);
json_stream_append(result, " } }\n\n"); json_object_end(result);
json_object_end(result);
return command_raw_complete(cmd, result); return command_raw_complete(cmd, result);
} }
@ -439,9 +440,10 @@ struct command_result *command_success(struct command *cmd,
struct command_result *command_failed(struct command *cmd, struct command_result *command_failed(struct command *cmd,
struct json_stream *result) struct json_stream *result)
{ {
assert(cmd->have_json_stream); assert(cmd->json_stream == result);
/* Have to close error */ /* Have to close error */
json_stream_append(result, " } }\n\n"); json_object_end(result);
json_object_end(result);
return command_raw_complete(cmd, result); return command_raw_complete(cmd, result);
} }
@ -465,6 +467,11 @@ struct command_result *command_still_pending(struct command *cmd)
{ {
notleak_with_children(cmd); notleak_with_children(cmd);
cmd->pending = true; cmd->pending = true;
/* If we've started writing, wake reader. */
if (cmd->json_stream)
json_stream_flush(cmd->json_stream);
return &pending; return &pending;
} }
@ -475,12 +482,14 @@ static void json_command_malformed(struct json_connection *jcon,
/* NULL writer is OK here, since we close it immediately. */ /* NULL writer is OK here, since we close it immediately. */
struct json_stream *js = jcon_new_json_stream(jcon, jcon, NULL); struct json_stream *js = jcon_new_json_stream(jcon, jcon, NULL);
json_stream_append_fmt(js, json_object_start(js, NULL);
"{ \"jsonrpc\": \"2.0\", \"id\" : %s," json_add_string(js, "jsonrpc", "2.0");
" \"error\" : " json_add_literal(js, "id", id, strlen(id));
"{ \"code\" : %d," json_object_start(js, "error");
" \"message\" : \"%s\" } }\n\n", json_add_member(js, "code", false, "%d", JSONRPC2_INVALID_REQUEST);
id, JSONRPC2_INVALID_REQUEST, error); json_add_string(js, "message", error);
json_object_end(js);
json_object_end(js);
json_stream_close(js, NULL); json_stream_close(js, NULL);
} }
@ -495,8 +504,8 @@ struct json_stream *json_stream_raw_for_cmd(struct command *cmd)
else else
js = new_json_stream(cmd, cmd, NULL); js = new_json_stream(cmd, cmd, NULL);
assert(!cmd->have_json_stream); assert(!cmd->json_stream);
cmd->have_json_stream = true; cmd->json_stream = js;
return js; return js;
} }
@ -514,16 +523,16 @@ static struct json_stream *json_start(struct command *cmd)
{ {
struct json_stream *js = json_stream_raw_for_cmd(cmd); struct json_stream *js = json_stream_raw_for_cmd(cmd);
json_stream_append_fmt(js, "{ \"jsonrpc\": \"2.0\", \"id\" : %s, ", json_object_start(js, NULL);
cmd->id); json_add_string(js, "jsonrpc", "2.0");
json_add_literal(js, "id", cmd->id, strlen(cmd->id));
return js; return js;
} }
struct json_stream *json_stream_success(struct command *cmd) struct json_stream *json_stream_success(struct command *cmd)
{ {
struct json_stream *r = json_start(cmd); struct json_stream *r = json_start(cmd);
json_stream_append(r, "\"result\" : "); json_object_start(r, "result");
json_object_start(r, NULL);
return r; return r;
} }
@ -531,15 +540,15 @@ struct json_stream *json_stream_fail_nodata(struct command *cmd,
int code, int code,
const char *errmsg) const char *errmsg)
{ {
struct json_stream *r = json_start(cmd); struct json_stream *js = json_start(cmd);
struct json_escape *e = json_partial_escape(tmpctx, errmsg);
assert(code); assert(code);
json_stream_append_fmt(r, " \"error\" : " json_object_start(js, "error");
"{ \"code\" : %d," json_add_member(js, "code", false, "%d", code);
" \"message\" : \"%s\"", code, e->s); json_add_string(js, "message", errmsg);
return r;
return js;
} }
struct json_stream *json_stream_fail(struct command *cmd, struct json_stream *json_stream_fail(struct command *cmd,
@ -548,8 +557,7 @@ struct json_stream *json_stream_fail(struct command *cmd,
{ {
struct json_stream *r = json_stream_fail_nodata(cmd, code, errmsg); struct json_stream *r = json_stream_fail_nodata(cmd, code, errmsg);
json_stream_append(r, ", \"data\" : "); json_object_start(r, "data");
json_object_start(r, NULL);
return r; return r;
} }
@ -588,7 +596,7 @@ parse_request(struct json_connection *jcon, const jsmntok_t tok[])
c->jcon = jcon; c->jcon = jcon;
c->ld = jcon->ld; c->ld = jcon->ld;
c->pending = false; c->pending = false;
c->have_json_stream = false; c->json_stream = NULL;
c->id = tal_strndup(c, c->id = tal_strndup(c,
json_tok_full(jcon->buffer, id), json_tok_full(jcon->buffer, id),
json_tok_full_len(id)); json_tok_full_len(id));
@ -1065,7 +1073,9 @@ void jsonrpc_notification_end(struct jsonrpc_notification *n)
{ {
json_object_end(n->stream); /* closes '.params' */ json_object_end(n->stream); /* closes '.params' */
json_object_end(n->stream); /* closes '.' */ json_object_end(n->stream); /* closes '.' */
json_stream_append(n->stream, "\n\n");
/* We guarantee to have \n\n at end of each response. */
json_stream_append(n->stream, "\n\n", strlen("\n\n"));
} }
struct jsonrpc_request *jsonrpc_request_start_( struct jsonrpc_request *jsonrpc_request_start_(
@ -1101,7 +1111,9 @@ void jsonrpc_request_end(struct jsonrpc_request *r)
{ {
json_object_end(r->stream); /* closes '.params' */ json_object_end(r->stream); /* closes '.params' */
json_object_end(r->stream); /* closes '.' */ json_object_end(r->stream); /* closes '.' */
json_stream_append(r->stream, "\n\n");
/* We guarantee to have \n\n at end of each response. */
json_stream_append(r->stream, "\n\n", strlen("\n\n"));
} }
/* We add this destructor as a canary to detect cmd failing. */ /* We add this destructor as a canary to detect cmd failing. */

2
lightningd/jsonrpc.h
View File

@ -38,7 +38,7 @@ struct command {
/* Tell param() how to process the command */ /* Tell param() how to process the command */
enum command_mode mode; enum command_mode mode;
/* Have we started a json stream already? For debugging. */ /* Have we started a json stream already? For debugging. */
bool have_json_stream; struct json_stream *json_stream;
}; };
/** /**

2
lightningd/peer_control.c
View File

@ -493,7 +493,7 @@ static void json_add_sat_only(struct json_stream *result,
struct amount_msat msat; struct amount_msat msat;
if (amount_sat_to_msat(&msat, sat)) if (amount_sat_to_msat(&msat, sat))
json_add_member(result, fieldname, "\"%s\"", json_add_string(result, fieldname,
type_to_string(tmpctx, struct amount_msat, &msat)); type_to_string(tmpctx, struct amount_msat, &msat));
} }

10
lightningd/plugin.c
View File

@ -591,20 +591,20 @@ static void json_stream_forward_change_id(struct json_stream *stream,
* new_id into a string, or even worse, quote a string id * new_id into a string, or even worse, quote a string id
* twice. */ * twice. */
size_t offset = idtok->type==JSMN_STRING?1:0; size_t offset = idtok->type==JSMN_STRING?1:0;
json_stream_append_part(stream, buffer + toks->start, json_stream_append(stream, buffer + toks->start,
idtok->start - toks->start - offset); idtok->start - toks->start - offset);
json_stream_append(stream, new_id); json_stream_append(stream, new_id, strlen(new_id));
json_stream_append_part(stream, buffer + idtok->end + offset, json_stream_append(stream, buffer + idtok->end + offset,
toks->end - idtok->end - offset); toks->end - idtok->end - offset);
/* We promise it will end in '\n\n' */ /* We promise it will end in '\n\n' */
/* It's an object (with an id!): definitely can't be less that "{}" */ /* It's an object (with an id!): definitely can't be less that "{}" */
assert(toks->end - toks->start >= 2); assert(toks->end - toks->start >= 2);
if (buffer[toks->end-1] != '\n') if (buffer[toks->end-1] != '\n')
json_stream_append(stream, "\n\n"); json_stream_append(stream, "\n\n", 2);
else if (buffer[toks->end-2] != '\n') else if (buffer[toks->end-2] != '\n')
json_stream_append(stream, "\n"); json_stream_append(stream, "\n", 1);
} }
static void plugin_rpcmethod_cb(const char *buffer, static void plugin_rpcmethod_cb(const char *buffer,

4
lightningd/test/run-invoice-select-inchan.c
View File

@ -169,10 +169,6 @@ void json_add_hex_talarr(struct json_stream *result UNNEEDED,
void json_add_log(struct json_stream *result UNNEEDED, void json_add_log(struct json_stream *result UNNEEDED,
const struct log_book *lr UNNEEDED, enum log_level minlevel UNNEEDED) const struct log_book *lr UNNEEDED, enum log_level minlevel UNNEEDED)
{ fprintf(stderr, "json_add_log called!\n"); abort(); } { fprintf(stderr, "json_add_log called!\n"); abort(); }
/* Generated stub for json_add_member */
void json_add_member(struct json_stream *js UNNEEDED, const char *fieldname UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "json_add_member called!\n"); abort(); }
/* Generated stub for json_add_node_id */ /* Generated stub for json_add_node_id */
void json_add_node_id(struct json_stream *response UNNEEDED, void json_add_node_id(struct json_stream *response UNNEEDED,
const char *fieldname UNNEEDED, const char *fieldname UNNEEDED,

4
wallet/test/run-wallet.c
View File

@ -244,10 +244,6 @@ void json_add_hex_talarr(struct json_stream *result UNNEEDED,
void json_add_log(struct json_stream *result UNNEEDED, void json_add_log(struct json_stream *result UNNEEDED,
const struct log_book *lr UNNEEDED, enum log_level minlevel UNNEEDED) const struct log_book *lr UNNEEDED, enum log_level minlevel UNNEEDED)
{ fprintf(stderr, "json_add_log called!\n"); abort(); } { fprintf(stderr, "json_add_log called!\n"); abort(); }
/* Generated stub for json_add_member */
void json_add_member(struct json_stream *js UNNEEDED, const char *fieldname UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "json_add_member called!\n"); abort(); }
/* Generated stub for json_add_node_id */ /* Generated stub for json_add_node_id */
void json_add_node_id(struct json_stream *response UNNEEDED, void json_add_node_id(struct json_stream *response UNNEEDED,
const char *fieldname UNNEEDED, const char *fieldname UNNEEDED,

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