core-lightning/common/utxo.c
Christian Decker 59128a86ee hsm: Make sure to pass close_info along with the UTXO
The close_info is needed to re-derive the secret key that is supposed
to be used to sign the input spending the output.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
2018-01-08 17:19:25 +01:00

60 lines
1.7 KiB
C

#include <common/utxo.h>
#include <wire/wire.h>
void towire_utxo(u8 **pptr, const struct utxo *utxo)
{
/* Is this a unilateral close output and needs the
* close_info? */
bool is_unilateral_close = utxo->close_info != NULL;
towire_bitcoin_txid(pptr, &utxo->txid);
towire_u32(pptr, utxo->outnum);
towire_u64(pptr, utxo->amount);
towire_u32(pptr, utxo->keyindex);
towire_bool(pptr, utxo->is_p2sh);
towire_bool(pptr, is_unilateral_close);
if (is_unilateral_close) {
towire_u64(pptr, utxo->close_info->channel_id);
towire_pubkey(pptr, &utxo->close_info->peer_id);
towire_pubkey(pptr, &utxo->close_info->commitment_point);
}
}
void fromwire_utxo(const tal_t *ctx, const u8 **ptr, size_t *max, struct utxo *utxo)
{
fromwire_bitcoin_txid(ptr, max, &utxo->txid);
utxo->outnum = fromwire_u32(ptr, max);
utxo->amount = fromwire_u64(ptr, max);
utxo->keyindex = fromwire_u32(ptr, max);
utxo->is_p2sh = fromwire_bool(ptr, max);
if (fromwire_bool(ptr, max)) {
utxo->close_info = tal(ctx, struct unilateral_close_info);
utxo->close_info->channel_id = fromwire_u64(ptr, max);
fromwire_pubkey(ptr, max, &utxo->close_info->peer_id);
fromwire_pubkey(ptr, max, &utxo->close_info->commitment_point);
} else {
utxo->close_info = NULL;
}
}
struct utxo *from_utxoptr_arr(const tal_t *ctx, const struct utxo **utxos)
{
size_t i, n = tal_count(utxos);
struct utxo *utxo = tal_arr(ctx, struct utxo, n);
for (i = 0; i < n; i++)
utxo[i] = *utxos[i];
return utxo;
}
const struct utxo **to_utxoptr_arr(const tal_t *ctx, const struct utxo *utxos)
{
size_t i, n = tal_count(utxos);
const struct utxo **utxo = tal_arr(ctx, const struct utxo *, n);
for (i = 0; i < n; i++)
utxo[i] = &utxos[i];
return utxo;
}