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wally: Migrate the withdraw transaction

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Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2019-03-15 14:20:07 +01:00 committed by Rusty Russell
parent 710a2abc5f
commit 12ec8dc137
1 changed files with 5 additions and 4 deletions
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9
common/withdraw_tx.c
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@ -1,4 +1,5 @@
#include "withdraw_tx.h"
#include <assert.h>
#include <bitcoin/pubkey.h>
#include <bitcoin/script.h>
#include <ccan/ptrint/ptrint.h>
@ -20,18 +21,18 @@ struct bitcoin_tx *withdraw_tx(const tal_t *ctx,
tx = tx_spending_utxos(ctx, utxos, bip32_base,
!amount_sat_eq(change, AMOUNT_SAT(0)));
tx->output[0].amount = withdraw_amount;
tx->output[0].script = destination;
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);
tx->output[1].script = scriptpubkey_p2wpkh(tx, changekey);
tx->output[1].amount = change;
bitcoin_tx_add_output(tx, scriptpubkey_p2wpkh(tx, changekey),
&change);
permute_outputs(tx, NULL, map);
}
permute_inputs(tx, (const void **)utxos);
assert(bitcoin_tx_check(tx));
return tx;
}