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utxo: wire support for unspent transactions.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2017-02-21 15:15:29 +10:30
parent 19f3b68d28
commit fddb38126d
3 changed files with 63 additions and 1 deletions
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3
lightningd/Makefile
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@ -39,7 +39,8 @@ LIGHTNINGD_LIB_SRC := \
lightningd/cryptomsg.c \
lightningd/funding_tx.c \
lightningd/htlc_tx.c \
lightningd/key_derive.c
lightningd/key_derive.c \
lightningd/utxo.c
LIGHTNINGD_LIB_OBJS := $(LIGHTNINGD_LIB_SRC:.c=.o)
LIGHTNINGD_LIB_HEADERS := $(LIGHTNINGD_LIB_SRC:.c=.h)

37
lightningd/utxo.c Normal file
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@ -0,0 +1,37 @@
#include <lightningd/utxo.h>
#include <wire/wire.h>
void towire_utxo(u8 **pptr, const struct utxo *utxo)
{
towire_sha256_double(pptr, &utxo->txid);
towire_u32(pptr, utxo->outnum);
towire_u64(pptr, utxo->amount);
towire_u32(pptr, utxo->keyindex);
towire_bool(pptr, utxo->is_p2sh);
}
void fromwire_utxo(const u8 **ptr, size_t *max, struct utxo *utxo)
{
fromwire_sha256_double(ptr, max, &utxo->txid);
utxo->outnum = fromwire_u32(ptr, max);
utxo->amount = fromwire_u64(ptr, max);
utxo->keyindex = fromwire_u32(ptr, max);
utxo->is_p2sh = fromwire_bool(ptr, max);
}
void fromwire_utxo_array(const u8 **ptr, size_t *max,
struct utxo *utxo, size_t num)
{
size_t i;
for (i = 0; i < num; i++)
fromwire_utxo(ptr, max, &utxo[i]);
}
void towire_utxo_array(u8 **pptr, const struct utxo *utxo, size_t num)
{
size_t i;
for (i = 0; i < num; i++)
towire_utxo(pptr, &utxo[i]);
}

24
lightningd/utxo.h Normal file
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@ -0,0 +1,24 @@
#ifndef LIGHTNING_LIGHTNINGD_UTXO_H
#define LIGHTNING_LIGHTNINGD_UTXO_H
#include "config.h"
#include <bitcoin/shadouble.h>
#include <ccan/short_types/short_types.h>
#include <ccan/tal/tal.h>
#include <stdbool.h>
struct utxo {
struct sha256_double txid;
u32 outnum;
u64 amount;
u32 keyindex;
bool is_p2sh;
};
void towire_utxo(u8 **pptr, const struct utxo *utxo);
void fromwire_utxo(const u8 **ptr, size_t *max, struct utxo *utxo);
void fromwire_utxo_array(const u8 **ptr, size_t *max,
struct utxo *utxo, size_t num);
void towire_utxo_array(u8 **pptr, const struct utxo *utxo, size_t num);
#endif /* LIGHTNING_LIGHTNINGD_UTXO_H */