offine signer

[bytom/bytom-java-sdk.git] / tx-signer / src / main / java / io / bytom / offline / api / CoinbaseInput.java

diff --git a/tx-signer/src/main/java/io/bytom/offline/api/CoinbaseInput.java b/tx-signer/src/main/java/io/bytom/offline/api/CoinbaseInput.java
new file mode 100644 (file)
index 0000000..27045a4
--- /dev/null
+++ b/tx-signer/src/main/java/io/bytom/offline/api/CoinbaseInput.java
@@ -0,0 +1,48 @@
+package io.bytom.offline.api;
+
+import io.bytom.offline.common.Utils;
+import io.bytom.offline.types.*;
+import org.bouncycastle.util.encoders.Hex;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.Map;
+
+public class CoinbaseInput extends BaseInput{
+    private String arbitrary;
+
+    @Override
+    public InputEntry toInputEntry(Map<Hash, Entry> entryMap, int index) {
+        Coinbase coinbase =  new Coinbase(arbitrary);
+
+        Hash prevOutID = coinbase.entryID();
+        entryMap.put(prevOutID, coinbase);
+        return new Coinbase(prevOutID,index);
+    }
+
+    @Override
+    public void buildWitness(String txID) throws Exception {
+
+    }
+
+    @Override
+    public byte[] serializeInputCommitment() throws IOException {
+        ByteArrayOutputStream stream = new ByteArrayOutputStream();
+        Utils.writeVarint(Coinbase_INPUT_TYPE, stream);
+        Utils.writeVarStr(Hex.decode(this.arbitrary),stream);
+        return stream.toByteArray();
+    }
+
+    @Override
+    public byte[] serializeInputWitness() throws IOException {
+        return new byte[0];
+    }
+
+    public String getArbitrary() {
+        return arbitrary;
+    }
+
+    public void setArbitrary(String arbitrary) {
+        this.arbitrary = arbitrary;
+    }
+}