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dafaf854c5
`struct tx_parts` is just a txid and a bunch of inputs and outputs, some of which may be NULL. This is both a nod towards a future where we (or our peer) can combine HTLCs or (in an eltoo world) commitments, although for the moment all our tx_parts will be complete. It also matches our plan to split `bitcoin_tx` into two types: this `struct tx_parts` where we don't know input amounts etc, and `psbt` where we do. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
30 lines
1.0 KiB
C
30 lines
1.0 KiB
C
/* This represents a specific part of a transaction, without including
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* all the metadata (which we might not know, if we didn't make the
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* transction ourselves). */
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#ifndef LIGHTNING_BITCOIN_TX_PARTS_H
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#define LIGHTNING_BITCOIN_TX_PARTS_H
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#include "config.h"
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#include <bitcoin/tx.h>
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#include <wally_transaction.h>
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struct tx_parts {
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/* The txid of this transacation */
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struct bitcoin_txid txid;
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/* A subset of inputs: NULL means it's not included. */
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struct wally_tx_input **inputs;
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/* A subset of outputs: NULL means it's not included. */
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struct wally_tx_output **outputs;
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};
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/* Initialize this from a wally_tx: input/output == -1 for all,
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* otherwise the input/output number to include. */
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struct tx_parts *tx_parts_from_wally_tx(const tal_t *ctx,
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const struct wally_tx *wtx,
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int input, int output);
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/* Wire marshalling and unmarshalling */
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struct tx_parts *fromwire_tx_parts(const tal_t *ctx,
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const u8 **cursor, size_t *max);
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void towire_tx_parts(u8 **pptr, const struct tx_parts *tx_parts);
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#endif /* LIGHTNING_BITCOIN_TX_PARTS_H */
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