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#ifndef LIGHTNING_COMMON_UTILS_H
#define LIGHTNING_COMMON_UTILS_H
#include "config.h"
#include <ccan/short_types/short_types.h>
#include <ccan/tal/tal.h>
#include <secp256k1.h>
extern secp256k1_context *secp256k1_ctx;
/* Allocate and fill in a hex-encoded string of this data. */
char *tal_hexstr(const tal_t *ctx, const void *data, size_t len);
/* Allocate and fill a hex-encoding of this tal pointer. */
char *tal_hex(const tal_t *ctx, const tal_t *data);
/* Allocate and fill a buffer with the data of this hex string. */
u8 *tal_hexdata(const tal_t *ctx, const void *str, size_t len);
/* Get a temporary context for this function scope (tal_free at end) */
tal_t *tal_tmpctx_(const tal_t *ctx, const char *file, unsigned int line);
#define tal_tmpctx(ctx) \
tal_tmpctx_((ctx), __FILE__, __LINE__)
/* Return non-NULL if any tmpctx still allocated. */
const char *tmpctx_any(void);
#endif /* LIGHTNING_COMMON_UTILS_H */