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#include "withdraw_tx.h"
#include <assert.h>
#include <bitcoin/pubkey.h>
#include <bitcoin/script.h>
#include <ccan/ptrint/ptrint.h>
#include <common/permute_tx.h>
#include <common/utxo.h>
#include <string.h>
#include <wally_bip32.h>
struct bitcoin_tx *withdraw_tx(const tal_t *ctx,
const struct utxo **utxos,
const u8 *destination,
struct amount_sat withdraw_amount,
const struct pubkey *changekey,
struct amount_sat change,
const struct ext_key *bip32_base,
int *change_outnum)
{
struct bitcoin_tx *tx;
tx = tx_spending_utxos(ctx, utxos, bip32_base,
!amount_sat_eq(change, AMOUNT_SAT(0)));
bitcoin_tx_add_output(tx, destination, &withdraw_amount);
if (!amount_sat_eq(change, AMOUNT_SAT(0))) {
const void *map[2];
map[0] = int2ptr(0);
map[1] = int2ptr(1);
bitcoin_tx_add_output(tx, scriptpubkey_p2wpkh(tx, changekey),
&change);
permute_outputs(tx, NULL, map);
if (change_outnum)
*change_outnum = ptr2int(map[1]);
} else if (change_outnum)
*change_outnum = -1;
permute_inputs(tx, (const void **)utxos);
assert(bitcoin_tx_check(tx));
return tx;
}