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);
}
bool find_output(const union protocol_tx *tx, u16 output_num,
struct protocol_address *addr, u32 *amount)
{
const struct protocol_gateway_payment *out;
switch (tx_type(tx)) {
case TX_FROM_GATEWAY:
if (output_num > le16_to_cpu(tx->from_gateway.num_outputs))
return false;
out = get_from_gateway_outputs(&tx->from_gateway);
*addr = out[output_num].output_addr;
*amount = le32_to_cpu(out[output_num].send_amount);
return true;
case TX_NORMAL:
if (output_num == 0) {
/* Spending the send_amount. */
*addr = tx->normal.output_addr;
*amount = le32_to_cpu(tx->normal.send_amount);
return true;
} else if (output_num == 1) {
/* Spending the change. */
get_tx_input_address(tx, addr);
*amount = le32_to_cpu(tx->normal.change_amount);
return true;
}
return false;
case TX_CLAIM:
if (output_num == 0) {
get_tx_input_address(tx, addr);
*amount = le32_to_cpu(tx->claim.amount);
return true;
}
return false;
case TX_TO_GATEWAY:
return false;
}
abort();
}
u32 tx_amount_sent(const union protocol_tx *tx)
{
switch (tx_type(tx)) {
case TX_NORMAL:
return le32_to_cpu(tx->normal.send_amount)
+ le32_to_cpu(tx->normal.change_amount);
case TX_FROM_GATEWAY: {
u32 i, total = 0;
for (i = 0; i < le16_to_cpu(tx->from_gateway.num_outputs); i++){
le32 amount;
amount = get_from_gateway_outputs(&tx->from_gateway)
[i].send_amount;
total += le32_to_cpu(amount);
}
return total;
}
case TX_TO_GATEWAY:
return le32_to_cpu(tx->to_gateway.send_amount)
+ le32_to_cpu(tx->to_gateway.change_amount);
case TX_CLAIM:
return le32_to_cpu(tx->claim.amount);
}
abort();
}
