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Sha256Hash: Fix compareTo() not being consistent with equals().

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This commit is contained in:
Andreas Schildbach 2016-03-07 11:42:41 +01:00
parent 1eaf05cacf
commit 4b75c336bb
1 changed files with 10 additions and 3 deletions
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13
core/src/main/java/org/bitcoinj/core/Sha256Hash.java
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@ -266,8 +266,15 @@ public class Sha256Hash implements Serializable, Comparable<Sha256Hash> {
} }
@Override @Override
public int compareTo(Sha256Hash o) { public int compareTo(final Sha256Hash other) {
// note that in this implementation compareTo() is not consistent with equals() for (int i = 31; i >= 0; i--) {
return this.hashCode() - o.hashCode(); // arbitrary but consistent final int thisByte = this.bytes[i] & 0xff;
final int otherByte = other.bytes[i] & 0xff;
if (thisByte > otherByte)
return 1;
if (thisByte < otherByte)
return -1;
}
return 0;
} }
} }