Add ability to expose bytes as a hex string without a prefix
diff --git a/bytes/src/main/java/org/apache/tuweni/bytes/Bytes.java b/bytes/src/main/java/org/apache/tuweni/bytes/Bytes.java
index 36d00ce..ea7c347 100644
--- a/bytes/src/main/java/org/apache/tuweni/bytes/Bytes.java
+++ b/bytes/src/main/java/org/apache/tuweni/bytes/Bytes.java
@@ -1440,6 +1440,18 @@
}
}
+ /**
+ * @return This value represented as hexadecimal, with no prefix.
+ */
+ default String toUnprefixedHexString() {
+ try {
+ return appendHexTo(new StringBuilder()).toString();
+ } catch (IOException e) {
+ // not thrown
+ throw new RuntimeException(e);
+ }
+ }
+
/** @return This value represented as a minimal hexadecimal string (without any leading zero). */
default String toShortHexString() {
StringBuilder hex;
diff --git a/bytes/src/test/java/org/apache/tuweni/bytes/CommonBytesTests.java b/bytes/src/test/java/org/apache/tuweni/bytes/CommonBytesTests.java
index f3fcf28..c7aee0e 100644
--- a/bytes/src/test/java/org/apache/tuweni/bytes/CommonBytesTests.java
+++ b/bytes/src/test/java/org/apache/tuweni/bytes/CommonBytesTests.java
@@ -434,6 +434,17 @@
}
@Test
+ void testHexString() {
+ assertEquals("0x", h("0x").toShortHexString());
+ assertEquals("0x", h("0x0000").toShortHexString());
+ assertEquals("0x1000001", h("0x01000001").toShortHexString());
+
+ assertEquals("0000", h("0x0000").toUnprefixedHexString());
+ assertEquals("1234", h("0x1234").toUnprefixedHexString());
+ assertEquals("0022", h("0x0022").toUnprefixedHexString());
+ }
+
+ @Test
void slideToEnd() {
assertEquals(Bytes.of(1, 2, 3, 4), Bytes.of(1, 2, 3, 4).slice(0));
assertEquals(Bytes.of(2, 3, 4), Bytes.of(1, 2, 3, 4).slice(1));
