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612d713470
It's not very interesting if you're looking for LN code. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
15 lines
467 B
C
15 lines
467 B
C
#ifndef LIGHTNING_BITCOIN_SHADOUBLE_H
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#define LIGHTNING_BITCOIN_SHADOUBLE_H
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#include "config.h"
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#include <ccan/crypto/sha256/sha256.h>
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/* To explicitly distinguish between single sha and bitcoin's standard double */
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struct sha256_double {
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struct sha256 sha;
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};
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void sha256_double(struct sha256_double *shadouble, const void *p, size_t len);
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void sha256_double_done(struct sha256_ctx *sha256, struct sha256_double *res);
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#endif /* LIGHTNING_BITCOIN_SHADOUBLE_H */
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