Function json_createinvoice

lightningd/invoice.c:1643–1781

}

static struct command_result *json_createinvoice(struct command *cmd,
						 const char *buffer,
						 const jsmntok_t *obj UNNEEDED,
						 const jsmntok_t *params)
{
	const char *invstring;
	struct json_escape *label;
	struct preimage *preimage;
	struct invoice invoice;
	struct sha256 payment_hash;
	struct json_stream *response;
	struct bolt11 *b11;
	struct sha256 hash;
	u5 *sig;
	bool have_n;
	char *fail;

	if (!param(cmd, buffer, params,
		   p_req("invstring", param_string, &invstring),
		   p_req("label", param_label, &label),
		   p_req("preimage", param_preimage, &preimage),
		   NULL))
		return command_param_failed();

	sha256(&payment_hash, preimage, sizeof(*preimage));
	b11 = bolt11_decode_nosig(cmd, invstring, cmd->ld->our_features,
				  NULL, chainparams, &hash, &sig, &have_n,
				  &fail);
	if (b11) {
		/* This adds the signature */
		char *b11enc = bolt11_encode(cmd, b11, have_n,
					     hsm_sign_b11, cmd->ld);

		if (!b11->description)
			return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
					    "Missing description in invoice");

		if (!b11->expiry)
			return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
					    "Missing expiry in invoice");

		if (!sha256_eq(&payment_hash, &b11->payment_hash))
			return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
					    "Incorrect preimage");

		if (!wallet_invoice_create(cmd->ld->wallet,
					   &invoice,
					   b11->msat,
					   label,
					   b11->expiry,
					   b11enc,
					   b11->description,
					   b11->features,
					   preimage,
					   &payment_hash,
					   NULL))
			return fail_exists(cmd, label);