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39 lines
858 B
C
39 lines
858 B
C
#ifndef LIGHTNING_BITCOIN_TX_H
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#define LIGHTNING_BITCOIN_TX_H
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#include <ccan/short_types/short_types.h>
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#include "shadouble.h"
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#define BITCOIN_TX_VERSION 1
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/* We unpack varints for our in-memory representation */
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#define varint_t u64
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struct bitcoin_tx {
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u32 version;
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varint_t input_count;
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struct bitcoin_tx_input *input;
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varint_t output_count;
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struct bitcoin_tx_output *output;
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u32 lock_time;
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};
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struct bitcoin_tx_output {
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u64 amount;
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varint_t script_length;
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u8 *script;
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};
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struct bitcoin_tx_input {
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struct sha256_double txid;
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u32 index; /* output number referred to by above */
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varint_t script_length;
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u8 *script;
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u32 sequence_number;
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};
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/* Linearize the tx. This is good for deriving the txid, as well as the
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* signature. */
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void sha256_tx(struct sha256_ctx *shactx, const struct bitcoin_tx *tx);
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#endif /* LIGHTNING_BITCOIN_TX_H */
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