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Sha256Hash: use Guava to pack the hash code instead of hand written code.

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This commit is contained in:
Mike Hearn 2015-03-05 14:06:56 -08:00
parent 6aa4e51de6
commit 75b952d1c7
1 changed files with 2 additions and 1 deletions
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core/src/main/java/org/bitcoinj/core/Sha256Hash.java
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@ -18,6 +18,7 @@
package org.bitcoinj.core; package org.bitcoinj.core;
import com.google.common.io.ByteStreams; import com.google.common.io.ByteStreams;
import com.google.common.primitives.*;
import java.io.File; import java.io.File;
import java.io.FileInputStream; import java.io.FileInputStream;
@ -115,7 +116,7 @@ public class Sha256Hash implements Serializable, Comparable<Sha256Hash> {
@Override @Override
public int hashCode() { public int hashCode() {
// Use the last 4 bytes, not the first 4 which are often zeros in Bitcoin. // Use the last 4 bytes, not the first 4 which are often zeros in Bitcoin.
return (bytes[31] & 0xFF) | ((bytes[30] & 0xFF) << 8) | ((bytes[29] & 0xFF) << 16) | ((bytes[28] & 0xFF) << 24); return Ints.fromBytes(bytes[28], bytes[29], bytes[30], bytes[31]);
} }
@Override @Override