core-lightning/utils.c

#include "utils.h"
#include <ccan/str/hex/hex.h>

secp256k1_context *secp256k1_ctx;

char *tal_hexstr(const tal_t *ctx, const void *data, size_t len)
{
	char *str = tal_arr(ctx, char, hex_str_size(len));
	hex_encode(data, len, str, hex_str_size(len));
	return str;
}

u8 *tal_hexdata(const tal_t *ctx, const void *str, size_t len)
{
	u8 *data = tal_arr(ctx, u8, hex_data_size(len));
	if (!hex_decode(str, len, data, hex_data_size(len)))
		return NULL;
	return data;
}