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This was suggested by Pierre-Marie as the solution to the 'same HTLC, different CLTV' signature mismatch. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
28 lines
962 B
C
28 lines
962 B
C
#ifndef LIGHTNING_COMMON_PERMUTE_TX_H
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#define LIGHTNING_COMMON_PERMUTE_TX_H
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#include "config.h"
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#include "bitcoin/tx.h"
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struct htlc;
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/**
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* permute_inputs: permute the transaction inputs into BIP69 order.
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* @inputs: usually bitcoin_tx->inputs, must be tal_arr.
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* @map: if non-NULL, pointers to be permuted the same as the inputs.
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*/
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void permute_inputs(struct bitcoin_tx_input *inputs, const void **map);
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/**
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* permute_outputs: permute the transaction outputs into BIP69 + cltv order.
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* @outputs: usually bitcoin_tx->outputs, must be tal_arr.
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* @cltvs: CLTV delays to use as a tie-breaker, or NULL.
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* @map: if non-NULL, pointers to be permuted the same as the outputs.
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*
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* So the caller initiates the map with which htlcs are used, it
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* can easily see which htlc (if any) is in output #0 with map[0].
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*/
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void permute_outputs(struct bitcoin_tx_output *outputs,
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u32 *cltvs,
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const void **map);
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#endif /* LIGHTNING_COMMON_PERMUTE_TX_H */
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