static void json_rhash(struct command *cmd,
const char *buffer, const jsmntok_t *params)
{
struct json_result *response = new_json_result(cmd);
jsmntok_t *secrettok;
struct sha256 secret;
if (!json_get_params(buffer, params,
"secret", &secrettok,
NULL)) {
command_fail(cmd, "Need secret");
return;
}
if (!hex_decode(buffer + secrettok->start,
secrettok->end - secrettok->start,
&secret, sizeof(secret))) {
command_fail(cmd, "'%.*s' is not a valid 32-byte hex value",
(int)(secrettok->end - secrettok->start),
buffer + secrettok->start);
return;
}
/* Hash in place. */
sha256(&secret, &secret, sizeof(secret));
json_object_start(response, NULL);
json_add_hex(response, "rhash", &secret, sizeof(secret));
json_object_end(response);
command_success(cmd, response);
}
static void json_add_input(struct json_result *response, const char *fieldname,
const struct protocol_input *inp)
{
json_object_start(response, fieldname);
json_add_tx_id(response, "input", &inp->input);
json_add_num(response, "output", le16_to_cpu(inp->output));
json_object_end(response);
}
struct json_result *null_response(const tal_t *ctx)
{
struct json_result *response;
response = new_json_result(ctx);
json_object_start(response, NULL);
json_object_end(response);
return response;
}
static void json_echo(struct command *cmd,
const char *buffer, const jsmntok_t *params)
{
struct json_result *response = new_json_result(cmd);
json_object_start(response, NULL);
json_add_num(response, "num", params->size);
json_add_literal(response, "echo",
json_tok_contents(buffer, params),
json_tok_len(params));
json_object_end(response);
command_success(cmd, response);
}
static void json_getlog(struct command *cmd,
const char *buffer, const jsmntok_t *params)
{
struct log_info info;
struct log_record *lr = cmd->dstate->log_record;
jsmntok_t *level;
json_get_params(buffer, params, "?level", &level, NULL);
info.num_skipped = 0;
if (!level)
info.level = LOG_INFORM;
else if (json_tok_streq(buffer, level, "io"))
info.level = LOG_IO;
else if (json_tok_streq(buffer, level, "debug"))
info.level = LOG_DBG;
else if (json_tok_streq(buffer, level, "info"))
info.level = LOG_INFORM;
else if (json_tok_streq(buffer, level, "unusual"))
info.level = LOG_UNUSUAL;
else {
command_fail(cmd, "Invalid level param");
return;
}
info.response = new_json_result(cmd);
json_object_start(info.response, NULL);
json_add_time(info.response, "creation_time", log_init_time(lr)->ts);
json_add_num(info.response, "bytes_used", (unsigned int)log_used(lr));
json_add_num(info.response, "bytes_max", (unsigned int)log_max_mem(lr));
json_object_start(info.response, "log");
log_each_line(lr, log_to_json, &info);
json_object_end(info.response);
json_object_end(info.response);
command_success(cmd, info.response);
}
void json_add_object(struct json_result *result, ...)
{
va_list ap;
const char *field;
va_start(ap, result);
json_object_start(result, NULL);
while ((field = va_arg(ap, const char *)) != NULL) {
jsmntype_t type = va_arg(ap, jsmntype_t);
const char *value = va_arg(ap, const char *);
if (type == JSMN_STRING)
json_add_string(result, field, value);
else
json_add_literal(result, field, value, strlen(value));
}
json_object_end(result);
va_end(ap);
}
static void json_add_outputs(struct json_result *response,
struct state *state, const union protocol_tx *tx)
{
unsigned int i;
struct protocol_gateway_payment *outputs;
outputs = get_from_gateway_outputs(&tx->from_gateway);
json_array_start(response, "vout");
for (i = 0; i < num_outputs(tx); i++) {
json_object_start(response, NULL);
json_add_num(response, "send_amount",
le32_to_cpu(outputs[i].send_amount));
json_add_address(response, "output_addr", state->test_net,
&outputs[i].output_addr);
json_object_end(response);
}
json_array_end(response);
}
int main(void)
{
jsmntok_t *toks_arr, *toks_obj,
*arg1, *arg2, *arg3, *arg4, *arg5;
const jsmntok_t *arr_params, *obj_params;
void *ctx;
bool valid;
char *cmd_arr, *cmd_obj;
struct protocol_double_sha sha;
ctx = tal(NULL, char);
cmd_arr = tal_strdup(ctx,
"{ \"method\" : \"dev-echo\", "
"\"params\" : [ null, [ 1, 2, 3 ], { \"one\" : 1 }, \"four\" ], "
"\"id\" : \"1\" }");
cmd_obj = tal_strdup(ctx,
"{ \"method\" : \"dev-echo\", "
"\"params\" : { \"arg2\" : [ 1, 2, 3 ],"
" \"arg3\" : { \"one\" : 1 },"
" \"arg4\" : \"four\" }, "
"\"id\" : \"1\" }");
/* Partial id we skip } */
toks_arr = json_parse_input(cmd_arr, strlen(cmd_arr) - 1, &valid);
assert(!toks_arr);
assert(valid);
toks_obj = json_parse_input(cmd_obj, strlen(cmd_obj) - 1, &valid);
assert(!toks_obj);
assert(valid);
/* This should work */
toks_arr = json_parse_input(cmd_arr, strlen(cmd_arr), &valid);
assert(toks_arr);
assert(tal_count(toks_arr) == 17);
assert(valid);
toks_obj = json_parse_input(cmd_obj, strlen(cmd_obj), &valid);
assert(toks_obj);
assert(tal_count(toks_obj) == 19);
assert(valid);
assert(toks_arr[0].type == JSMN_OBJECT);
assert(json_tok_len(toks_arr) == strlen(cmd_arr));
assert(strncmp(json_tok_contents(cmd_arr, toks_arr), cmd_arr,
json_tok_len(toks_arr)) == 0);
assert(toks_obj[0].type == JSMN_OBJECT);
assert(json_tok_len(toks_obj) == strlen(cmd_obj));
assert(strncmp(json_tok_contents(cmd_obj, toks_obj), cmd_obj,
json_tok_len(toks_obj)) == 0);
/* It's not a string, so this will fail. */
assert(!json_tok_streq(cmd_arr, toks_arr, cmd_obj));
assert(json_tok_streq(cmd_arr, toks_arr+1, "method"));
assert(json_tok_streq(cmd_obj, toks_obj+1, "method"));
assert(json_tok_is_null(cmd_arr, toks_arr + 5));
assert(!json_tok_is_null(cmd_arr, toks_arr + 6));
assert(!json_tok_is_null(cmd_arr, toks_arr + 7));
assert(json_get_member(cmd_arr, toks_arr, "method") == toks_arr+2);
assert(json_get_member(cmd_obj, toks_obj, "method") == toks_obj+2);
assert(!json_get_member(cmd_arr, toks_arr, "dev-echo"));
assert(!json_get_member(cmd_obj, toks_obj, "arg2"));
arr_params = json_get_member(cmd_arr, toks_arr, "params");
assert(arr_params == toks_arr+4);
assert(arr_params->type == JSMN_ARRAY);
obj_params = json_get_member(cmd_obj, toks_obj, "params");
assert(obj_params == toks_obj+4);
assert(obj_params->type == JSMN_OBJECT);
assert(json_get_member(cmd_arr, toks_arr, "id") == toks_arr+15);
assert(json_get_member(cmd_obj, toks_obj, "id") == toks_obj+17);
/* get_member works in sub objects */
assert(json_get_member(cmd_obj, obj_params, "arg4") == toks_obj + 15);
json_get_params(cmd_arr, arr_params,
"arg1", &arg1,
"arg2", &arg2,
"arg3", &arg3,
"arg4", &arg4,
"arg5", &arg5,
NULL);
assert(arg1 == NULL);
assert(arg2 == toks_arr + 6);
assert(arg2->type == JSMN_ARRAY);
assert(arg3 == toks_arr + 10);
assert(arg3->type == JSMN_OBJECT);
assert(arg4 == toks_arr + 13);
assert(arg4->type == JSMN_STRING);
assert(arg5 == NULL);
json_get_params(cmd_obj, obj_params,
"arg1", &arg1,
"arg2", &arg2,
"arg3", &arg3,
"arg4", &arg4,
"arg5", &arg5,
NULL);
assert(arg1 == NULL);
assert(arg2 == toks_obj + 6);
assert(arg2->type == JSMN_ARRAY);
assert(arg3 == toks_obj + 11);
assert(arg3->type == JSMN_OBJECT);
assert(arg4 == toks_obj + 15);
assert(arg4->type == JSMN_STRING);
assert(arg5 == NULL);
/* Test json_delve() */
assert(json_delve(cmd_arr, toks_arr, ".method") == toks_arr + 2);
assert(json_delve(cmd_arr, toks_arr, ".params[0]") == toks_arr + 5);
assert(json_delve(cmd_arr, toks_arr, ".params[1]") == toks_arr + 6);
assert(json_delve(cmd_arr, toks_arr, ".params[2]") == toks_arr + 10);
assert(json_delve(cmd_arr, toks_arr, ".params[1][2]") == toks_arr + 9);
assert(json_delve(cmd_arr, toks_arr, ".params[4]") == NULL);
assert(json_delve(cmd_arr, toks_arr, ".params[1][4]") == NULL);
assert(json_delve(cmd_arr, toks_arr, ".params[3][4]") == NULL);
assert(json_delve(cmd_arr, toks_arr, ".unknown") == NULL);
assert(json_delve(cmd_arr, toks_arr, ".unknown[1]") == NULL);
assert(json_delve(cmd_arr, toks_arr, ".param") == NULL);
assert(json_delve(cmd_arr, toks_arr, ".params\"") == NULL);
assert(json_delve(cmd_arr, toks_arr, ".dev-echo") == NULL);
assert(json_delve(cmd_arr, toks_arr, ".id[0]") == NULL);
assert(json_delve(cmd_obj, toks_obj, ".params.arg3.one")
== toks_obj + 13);
/* More exotic object creation */
cmd_arr = tal_arr(ctx, char, 0);
json_add_object(&cmd_arr,
"arg2", JSMN_ARRAY, "[ 1, 2, 3 ]",
"arg3", JSMN_OBJECT, "{ \"one\" : 1 }",
"arg4", JSMN_STRING, "four",
NULL);
assert(streq(cmd_arr,
"{ \"arg2\" : [ 1, 2, 3 ],"
" \"arg3\" : { \"one\" : 1 },"
" \"arg4\" : \"four\" }"));
cmd_arr = tal_arr(ctx, char, 0);
json_object_start(&cmd_arr, NULL);
json_add_pubkey(&cmd_arr, "key", helper_public_key(0));
memset(&sha, 42, sizeof(sha));
json_add_double_sha(&cmd_arr, "sha", &sha);
json_add_address(&cmd_arr, "test-address", true, helper_addr(0));
json_add_address(&cmd_arr, "address", false, helper_addr(0));
json_object_end(&cmd_arr);
assert(streq(cmd_arr, "{ \"key\" : \"0214f24666a59e62c8b92a0b4b58f2a1cdeb573ea377e42f411be028292ff81926\","
" \"sha\" : \"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a\","
" \"test-address\" : \"qKCafy33t92L9Nmoxx8H6NHDuiyGViqWBZ\","
" \"address\" : \"PZZyf1xcSbNFodrGQ6ot4LrsdSUu1bgmkc\" }"));
tal_free(ctx);
return 0;
}
void json_add_tx(struct json_result *response, const char *fieldname,
struct state *state,
const union protocol_tx *tx,
const struct block *block,
unsigned int confirms)
{
struct protocol_tx_id sha;
json_object_start(response, fieldname);
hash_tx(tx, &sha);
json_add_tx_id(response, "txid", &sha);
if (block)
json_add_block_id(response, "block", &block->sha);
json_add_num(response, "confirmations", confirms);
json_add_num(response, "version", tx->hdr.version);
json_add_num(response, "features", tx->hdr.features);
switch (tx_type(tx)) {
case TX_NORMAL:
json_add_string(response, "type", "TX_NORMAL");
json_add_pubkey(response, "input_key", &tx->normal.input_key);
json_add_address(response, "output_addr",
state->test_net, &tx->normal.output_addr);
json_add_num(response, "send_amount",
le32_to_cpu(tx->normal.send_amount));
json_add_num(response, "change_amount",
le32_to_cpu(tx->normal.change_amount));
json_add_signature(response, "signature",
&tx->normal.signature);
json_add_inputs(response, tx);
goto finish;
case TX_FROM_GATEWAY:
json_add_string(response, "type", "TX_FROM_GATEWAY");
json_add_pubkey(response, "gateway_key",
&tx->from_gateway.gateway_key);
json_add_signature(response, "signature",
&tx->normal.signature);
json_add_outputs(response, state, tx);
goto finish;
case TX_TO_GATEWAY:
json_add_string(response, "type", "TX_TO_GATEWAY");
json_add_pubkey(response, "input_key",
&tx->to_gateway.input_key);
json_add_address(response, "output_addr",
state->test_net,
&tx->to_gateway.to_gateway_addr);
json_add_num(response, "send_amount",
le32_to_cpu(tx->to_gateway.send_amount));
json_add_num(response, "change_amount",
le32_to_cpu(tx->to_gateway.change_amount));
json_add_signature(response, "signature",
&tx->to_gateway.signature);
json_add_inputs(response, tx);
goto finish;
case TX_CLAIM:
json_add_string(response, "type", "TX_CLAIM");
json_add_pubkey(response, "input_key", &tx->claim.input_key);
json_add_num(response, "amount", le32_to_cpu(tx->claim.amount));
json_add_signature(response, "claim", &tx->claim.signature);
json_add_input(response, "input", &tx->claim.input);
goto finish;
}
abort();
finish:
json_object_end(response);
}