core-lightning/common/utxo.h
Rusty Russell 23540fe956 common: make funding_tx and withdraw_tx share UTXO code.
They both do the same thing: convert utxos into tx inputs.  Share code.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-12-06 23:11:51 +01:00

49 lines
1.2 KiB
C

#ifndef LIGHTNING_COMMON_UTXO_H
#define LIGHTNING_COMMON_UTXO_H
#include "config.h"
#include <bitcoin/pubkey.h>
#include <bitcoin/shadouble.h>
#include <bitcoin/tx.h>
#include <ccan/short_types/short_types.h>
#include <ccan/tal/tal.h>
#include <stdbool.h>
struct ext_key;
/* Information needed for their_unilateral/to-us outputs */
struct unilateral_close_info {
u64 channel_id;
struct pubkey peer_id;
struct pubkey commitment_point;
};
struct utxo {
struct bitcoin_txid txid;
u32 outnum;
u64 amount;
u32 keyindex;
bool is_p2sh;
u8 status;
/* Optional unilateral close information, NULL if this is just
* a HD key */
struct unilateral_close_info *close_info;
/* NULL if we haven't seen it in a block, otherwise the block it's in */
const u32 *blockheight;
/* NULL if not spent yet, otherwise, the block the spending transaction is in */
const u32 *spendheight;
};
void towire_utxo(u8 **pptr, const struct utxo *utxo);
struct utxo *fromwire_utxo(const tal_t *ctx, const u8 **ptr, size_t *max);
/* Create a tx, and populate inputs from utxos */
struct bitcoin_tx *tx_spending_utxos(const tal_t *ctx,
const struct utxo **utxos,
const struct ext_key *bip32_base,
bool add_change_output);
#endif /* LIGHTNING_COMMON_UTXO_H */