mirrors/bitcoinj
1
0
Fork 0
mirror of https://github.com/bitcoinj/bitcoinj.git synced 2025-03-13 11:36:15 +01:00
Code Issues Projects Releases Packages Wiki Activity

ByteUtils: rename maxBytes parameter of bigIntegerToBytes()

Browse source 
It's a maximum allowed size rather than a constant size. The
`maxBytes` name makes this clearer.
This commit is contained in:
Andreas Schildbach 2025-02-26 02:08:36 +01:00
parent 1090649211
commit 538833c906
1 changed files with 7 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
base/src/main/java/org/bitcoinj/base/internal/ByteUtils.java
View file

@ -67,19 +67,19 @@ public class ByteUtils {
* </p>
* This is the inverse of {@link #bytesToBigInteger(byte[])}.
* @param b the non-negative integer to format into a byte array
* @param numBytes the maximum allowed size of the resulting byte array
* @return byte array of max length {@code numBytes}
* @param maxBytes the maximum allowed size of the resulting byte array
* @return byte array of max length {@code maxBytes}
*/
public static byte[] bigIntegerToBytes(BigInteger b, int numBytes) {
public static byte[] bigIntegerToBytes(BigInteger b, int maxBytes) {
checkArgument(b.signum() >= 0, () -> "b must be positive or zero: " + b);
checkArgument(numBytes > 0, () -> "numBytes must be positive: " + numBytes);
checkArgument(maxBytes > 0, () -> "maxBytes must be positive: " + maxBytes);
byte[] src = b.toByteArray();
byte[] dest = new byte[numBytes];
byte[] dest = new byte[maxBytes];
boolean isFirstByteOnlyForSign = src[0] == 0;
int length = isFirstByteOnlyForSign ? src.length - 1 : src.length;
checkArgument(length <= numBytes, () -> "The given number does not fit in " + numBytes);
checkArgument(length <= maxBytes, () -> "The given number does not fit in " + maxBytes);
int srcPos = isFirstByteOnlyForSign ? 1 : 0;
int destPos = numBytes - length;
int destPos = maxBytes - length;
System.arraycopy(src, srcPos, dest, destPos, length);
return dest;
}