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jsonrpc: Add listfunds RPC command

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Addresses #207 by adding a method to retrieve available funds from the
wallet.

Reported-by: @jl777
Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2017-09-04 17:11:53 -07:00 committed by Rusty Russell
parent 4b59c4f857
commit 71618d07e6
1 changed files with 27 additions and 0 deletions
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27
wallet/walletrpc.c
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@ -324,3 +324,30 @@ static const struct json_command addfunds_command = {
"Returns how many {outputs} it can use and total {satoshis}"
};
AUTODATA(json_command, &addfunds_command);
static void json_listfunds(struct command *cmd, const char *buffer,
const jsmntok_t *params)
{
struct json_result *response = new_json_result(cmd);
struct utxo **utxos =
wallet_get_utxos(cmd, cmd->ld->wallet, output_state_available);
json_object_start(response, NULL);
json_array_start(response, "outputs");
for (int i = 0; i < tal_count(utxos); i++) {
json_object_start(response, NULL);
json_add_hex(response, "txid", &utxos[i]->txid,
sizeof(struct sha256_double));
json_add_num(response, "output", utxos[i]->outnum);
json_add_u64(response, "value", utxos[i]->amount);
json_object_end(response);
}
json_array_end(response);
json_object_end(response);
command_success(cmd, response);
}
static const struct json_command listfunds_command = {
"listfunds", json_listfunds,
"List funds available to the daemon to open channels",
"Returns an array of available outputs"};
AUTODATA(json_command, &listfunds_command);