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Add a ScriptChunk.decodeOpN method.

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This commit is contained in:
Mike Hearn 2014-10-01 15:54:55 +02:00
parent ba4aeff2a5
commit 596f7cff04
1 changed files with 8 additions and 11 deletions
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19
core/src/main/java/org/bitcoinj/script/ScriptChunk.java
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@ -19,23 +19,14 @@ package org.bitcoinj.script;
import org.bitcoinj.core.Utils;
import javax.annotation.Nullable;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Arrays;
import javax.annotation.Nullable;
import static org.bitcoinj.script.ScriptOpCodes.OP_0;
import static org.bitcoinj.script.ScriptOpCodes.OP_1;
import static org.bitcoinj.script.ScriptOpCodes.OP_16;
import static org.bitcoinj.script.ScriptOpCodes.OP_1NEGATE;
import static org.bitcoinj.script.ScriptOpCodes.OP_PUSHDATA1;
import static org.bitcoinj.script.ScriptOpCodes.OP_PUSHDATA2;
import static org.bitcoinj.script.ScriptOpCodes.OP_PUSHDATA4;
import static org.bitcoinj.script.ScriptOpCodes.getOpCodeName;
import static org.bitcoinj.script.ScriptOpCodes.getPushDataName;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import static org.bitcoinj.script.ScriptOpCodes.*;
/**
* An element that is either an opcode or a raw byte array (signature, pubkey, etc).
@ -79,6 +70,12 @@ public class ScriptChunk {
return startLocationInProgram;
}
/** If this chunk is an OP_N opcode returns the equivalent integer value. */
public int decodeOpN() {
checkState(isOpCode());
return Script.decodeFromOpN(opcode);
}
/**
* Called on a pushdata chunk, returns true if it uses the smallest possible way (according to BIP62) to push the data.
*/