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core-lightning/common/permute_tx.h

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headers: fix up header idempotent lines. For future reference, done via: for f in `find wire/ bitcoin/ common/ lightningd -name '*.h' ! -name 'gen*'`; do ID=`echo -n LIGHTNING/$f | tr 'a-z' 'A-Z' | tr -cs 'A-Z0-9' _`; sed 's/^#\(ifndef\|define\) .*_H$/#\1 '$ID/ < $f | sed 's,#endif /..*_H ./$,#endif /* '$ID' */,' | bagto $f; done Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2017-08-28 18:06:01 +02:00
#ifndef LIGHTNING_COMMON_PERMUTE_TX_H
#define LIGHTNING_COMMON_PERMUTE_TX_H
header cleanup: sort include lines into alpha order, after config.h This makes merging easier in future. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-01-21 21:08:08 +01:00
#include "config.h"
Move bitcoin stuff into bitcoin subdir. It's not very interesting if you're looking for LN code. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-06-12 04:23:27 +02:00
#include "bitcoin/tx.h"
Rename perturb to permute. Perturb is a bit stretched for this, permute is better. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-05-29 05:29:09 +02:00
permute_tx: reintroduce permute map. We used to have a permutation map; this reintroduces a variant which uses the htlc pointers directly. We need this because we have to send the htlc-tx signatures in output order as part of the protocol: without two-stage HTLCs we only needed to wire them up in the unilateral spend case so we simply brute-forced the ordering. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2017-02-07 02:44:22 +01:00
struct htlc;
permute_tx: don't save permutation map. We no longer need it anywhere. This simplifies things to the point where we might as well just not include dust outputs as we go, rather than explicitly removing them, which gets rid of remove_dust.c as well. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-08-18 06:53:46 +02:00
/* Permute the transaction into BIP69 order. */
permute_tx: generic pointer map. Turns out we want to permute transactions for the wallet too, so we use void ** rather than assume we're shuffling htlc ** (and do inputs, too!). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2017-02-21 05:45:29 +01:00
void permute_inputs(struct bitcoin_tx_input *inputs, size_t num_inputs,
const void **map);
Rename perturb to permute. Perturb is a bit stretched for this, permute is better. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-05-29 05:29:09 +02:00
permute_tx: generic pointer map. Turns out we want to permute transactions for the wallet too, so we use void ** rather than assume we're shuffling htlc ** (and do inputs, too!). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2017-02-21 05:45:29 +01:00
/* If @map is non-NULL, it will be permuted the same as the outputs.
permute_tx: reintroduce permute map. We used to have a permutation map; this reintroduces a variant which uses the htlc pointers directly. We need this because we have to send the htlc-tx signatures in output order as part of the protocol: without two-stage HTLCs we only needed to wire them up in the unilateral spend case so we simply brute-forced the ordering. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2017-02-07 02:44:22 +01:00
*
permute_tx: generic pointer map. Turns out we want to permute transactions for the wallet too, so we use void ** rather than assume we're shuffling htlc ** (and do inputs, too!). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2017-02-21 05:45:29 +01:00
* So the caller initiates the map with which htlcs are used, it
* can easily see which htlc (if any) is in output #0 with map[0].
permute_tx: reintroduce permute map. We used to have a permutation map; this reintroduces a variant which uses the htlc pointers directly. We need this because we have to send the htlc-tx signatures in output order as part of the protocol: without two-stage HTLCs we only needed to wire them up in the unilateral spend case so we simply brute-forced the ordering. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2017-02-07 02:44:22 +01:00
*/
void permute_outputs(struct bitcoin_tx_output *outputs, size_t num_outputs,
permute_tx: generic pointer map. Turns out we want to permute transactions for the wallet too, so we use void ** rather than assume we're shuffling htlc ** (and do inputs, too!). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2017-02-21 05:45:29 +01:00
const void **map);
headers: fix up header idempotent lines. For future reference, done via: for f in `find wire/ bitcoin/ common/ lightningd -name '*.h' ! -name 'gen*'`; do ID=`echo -n LIGHTNING/$f | tr 'a-z' 'A-Z' | tr -cs 'A-Z0-9' _`; sed 's/^#\(ifndef\|define\) .*_H$/#\1 '$ID/ < $f | sed 's,#endif /..*_H ./$,#endif /* '$ID' */,' | bagto $f; done Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2017-08-28 18:06:01 +02:00
#endif /* LIGHTNING_COMMON_PERMUTE_TX_H */
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