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safer istransaction test

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This commit is contained in:
Craig Raw 2021-04-16 12:30:22 +02:00
parent a56f8971c0
commit 891499aff0
1 changed files with 3 additions and 0 deletions
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src/main/java/com/sparrowwallet/drongo/protocol/Transaction.java
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@ -437,6 +437,9 @@ public class Transaction extends ChildMessage {
public static boolean isTransaction(byte[] bytes) { public static boolean isTransaction(byte[] bytes) {
//Incomplete quick test //Incomplete quick test
if(bytes.length == 0) {
return false;
}
long version = Utils.readUint32(bytes, 0); long version = Utils.readUint32(bytes, 0);
return version > 0 && version < 5; return version > 0 && version < 5;
} }