core-lightning/bitcoin/psbt.h
niftynei f5f85b389d elements,pset: populate elements specific data for PSBTs
PSETs have a bit different requirements. The witness_utxo needs
the asset tag + values, and these should also be added to the PSET
struct separately as well. To do this, we create a new 'init' method for
elements inputs, which takes care of the elements specific things.
2020-07-13 11:37:24 +09:30

89 lines
3.0 KiB
C

#ifndef LIGHTNING_BITCOIN_PSBT_H
#define LIGHTNING_BITCOIN_PSBT_H
#include "config.h"
#include <ccan/short_types/short_types.h>
#include <ccan/tal/tal.h>
#include <stddef.h>
struct wally_tx_input;
struct wally_tx_output;
struct wally_psbt;
struct wally_psbt_input;
struct wally_tx;
struct amount_asset;
struct amount_sat;
struct bitcoin_signature;
struct pubkey;
int wally_psbt_clone(const struct wally_psbt *psbt, struct wally_psbt **output);
void psbt_destroy(struct wally_psbt *psbt);
struct wally_psbt *new_psbt(const tal_t *ctx,
const struct wally_tx *wtx);
/**
* psbt_is_finalized - Check if tx is ready to be extracted
*
* The libwally library requires a transaction be *ready* for
* extraction before it will add/append all of the sigs/witnesses
* onto the global transaction. This check returns true if
* a psbt has the finalized script sig and/or witness data populated
* for such a call
*/
bool psbt_is_finalized(struct wally_psbt *psbt);
struct wally_tx *psbt_finalize(struct wally_psbt *psbt, bool finalize_in_place);
struct wally_psbt_input *psbt_add_input(struct wally_psbt *psbt,
struct wally_tx_input *input,
size_t insert_at);
void psbt_rm_input(struct wally_psbt *psbt,
size_t remove_at);
struct wally_psbt_output *psbt_add_output(struct wally_psbt *psbt,
struct wally_tx_output *output,
size_t insert_at);
void psbt_rm_output(struct wally_psbt *psbt,
size_t remove_at);
void psbt_input_add_pubkey(struct wally_psbt *psbt, size_t in,
const struct pubkey *pubkey);
WARN_UNUSED_RESULT bool psbt_input_set_partial_sig(struct wally_psbt *psbt, size_t in,
const struct pubkey *pubkey,
const struct bitcoin_signature *sig);
void psbt_input_set_prev_utxo(struct wally_psbt *psbt,
size_t in,
const u8 *wscript,
struct amount_sat amt);
void psbt_input_set_prev_utxo_wscript(struct wally_psbt *psbt, size_t in,
const u8 *wscript,
struct amount_sat amt);
void psbt_elements_input_init(struct wally_psbt *psbt, size_t in,
const u8 *scriptPubkey,
struct amount_asset *asset,
const u8 *nonce);
void psbt_elements_input_init_witness(struct wally_psbt *psbt, size_t in,
const u8 *witscript,
struct amount_asset *asset,
const u8 *nonce);
bool psbt_input_set_redeemscript(struct wally_psbt *psbt, size_t in,
const u8 *redeemscript);
struct amount_sat psbt_input_get_amount(struct wally_psbt *psbt,
size_t in);
bool psbt_from_b64(const char *b64str, struct wally_psbt **psbt);
char *psbt_to_b64(const tal_t *ctx, const struct wally_psbt *psbt);
const u8 *psbt_get_bytes(const tal_t *ctx, const struct wally_psbt *psbt,
size_t *bytes_written);
struct wally_psbt *psbt_from_bytes(const tal_t *ctx, const u8 *bytes,
size_t byte_len);
void towire_wally_psbt(u8 **pptr, const struct wally_psbt *psbt);
struct wally_psbt *fromwire_wally_psbt(const tal_t *ctx,
const u8 **cursor, size_t *max);
#endif /* LIGHTNING_BITCOIN_PSBT_H */