Unify all the hex digits used in the app

src_common/ethUtils.c

@@ -27,8 +27,6 @@
 #include <stdint.h>
 #include <string.h>
 
-#include "os.h"
-#include "cx.h"
 #include "ethUtils.h"
 #include "chainConfig.h"
 #include "ethUstream.h"

src_common/uint128.c

@@ -21,6 +21,7 @@
 #include <string.h>
 #include "uint128.h"
 #include "uint_common.h"
+#include "ethUtils.h" // HEXDIGITS
 
 void readu128BE(const uint8_t *const buffer, uint128_t *const target) {
     UPPER_P(target) = readUint64BE(buffer);

src_common/uint256.c

@@ -19,9 +19,10 @@
 
 #include <stdio.h>
 #include <string.h>
-#include "ethUstream.h" // INT256_LENGTH
 #include "uint256.h"
 #include "uint_common.h"
+#include "ethUstream.h" // INT256_LENGTH
+#include "ethUtils.h" // HEXDIGITS
 
 void readu256BE(const uint8_t *const buffer, uint256_t *const target) {
     readu128BE(buffer, &UPPER_P(target));

src_common/uint_common.c

@@ -19,8 +19,6 @@
 
 #include "uint_common.h"
 
-const char HEXDIGITS[] = "0123456789abcdef";
-
 void write_u64_be(uint8_t *const buffer, uint64_t value) {
     buffer[0] = ((value >> 56) & 0xff);
     buffer[1] = ((value >> 48) & 0xff);

src_common/uint_common.h

@@ -27,8 +27,6 @@
 #define UPPER(x)   x.elements[0]
 #define LOWER(x)   x.elements[1]
 
-extern const char HEXDIGITS[];
-
 void write_u64_be(uint8_t *const buffer, uint64_t value);
 void read_u64_be(const uint8_t *const in, uint64_t *const out);
 uint64_t readUint64BE(const uint8_t *const buffer);