core-lightning/common/utxo.c
Rusty Russell c503232cde common: use bitcoin_outpoint.
I started pulling this thread, and the entire codebase got unravelled.

Oh well, it's done now!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-10-15 12:09:36 +02:00

72 lines
2.4 KiB
C

#include "config.h"
#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_outpoint(pptr, &utxo->outpoint);
towire_amount_sat(pptr, utxo->amount);
towire_u32(pptr, utxo->keyindex);
towire_bool(pptr, utxo->is_p2sh);
towire_u16(pptr, tal_count(utxo->scriptPubkey));
towire_u8_array(pptr, utxo->scriptPubkey, tal_count(utxo->scriptPubkey));
towire_bool(pptr, is_unilateral_close);
if (is_unilateral_close) {
towire_u64(pptr, utxo->close_info->channel_id);
towire_node_id(pptr, &utxo->close_info->peer_id);
towire_bool(pptr, utxo->close_info->commitment_point != NULL);
if (utxo->close_info->commitment_point)
towire_pubkey(pptr, utxo->close_info->commitment_point);
towire_bool(pptr, utxo->close_info->option_anchor_outputs);
towire_u32(pptr, utxo->close_info->csv);
}
}
struct utxo *fromwire_utxo(const tal_t *ctx, const u8 **ptr, size_t *max)
{
struct utxo *utxo = tal(ctx, struct utxo);
fromwire_bitcoin_outpoint(ptr, max, &utxo->outpoint);
utxo->amount = fromwire_amount_sat(ptr, max);
utxo->keyindex = fromwire_u32(ptr, max);
utxo->is_p2sh = fromwire_bool(ptr, max);
utxo->scriptPubkey = fromwire_tal_arrn(utxo, ptr, max, fromwire_u16(ptr, max));
if (fromwire_bool(ptr, max)) {
utxo->close_info = tal(utxo, struct unilateral_close_info);
utxo->close_info->channel_id = fromwire_u64(ptr, max);
fromwire_node_id(ptr, max, &utxo->close_info->peer_id);
if (fromwire_bool(ptr, max)) {
utxo->close_info->commitment_point = tal(utxo,
struct pubkey);
fromwire_pubkey(ptr, max,
utxo->close_info->commitment_point);
} else
utxo->close_info->commitment_point = NULL;
utxo->close_info->option_anchor_outputs
= fromwire_bool(ptr, max);
utxo->close_info->csv = fromwire_u32(ptr, max);
} else {
utxo->close_info = NULL;
}
return utxo;
}
size_t utxo_spend_weight(const struct utxo *utxo, size_t min_witness_weight)
{
size_t wit_weight = bitcoin_tx_simple_input_witness_weight();
/* If the min is less than what we'd use for a 'normal' tx,
* we return the value with the greater added/calculated */
if (wit_weight < min_witness_weight)
return bitcoin_tx_input_weight(utxo->is_p2sh,
min_witness_weight);
return bitcoin_tx_input_weight(utxo->is_p2sh, wit_weight);
}