tx-signer/src/main/java/io/bytom/offline/api/Output.java

   1 package io.bytom.offline.api;
   2
   3 import io.bytom.offline.common.Utils;
   4 import org.bouncycastle.util.encoders.Hex;
   5 import java.io.ByteArrayOutputStream;
   6 import java.io.IOException;
   7
   8 public class Output {
   9
  10     /**
  11      * The number of units of the asset being controlled.
  12      */
  13     private Long amount;
  14
  15     /**
  16      * The id of the asset being controlled.
  17      */
  18     private String assetId;
  19
  20     /**
  21      * The control program which must be satisfied to transfer this output.
  22      */
  23     private String controlProgram;
  24
  25     /**
  26      * The id of the output.
  27      */
  28     private String id;
  29
  30     /**
  31      * The output's position in a transaction's list of outputs.
  32      */
  33     private Integer position;
  34
  35     public Output(String assetId, Long amount, String controlProgram) {
  36         this.assetId = assetId;
  37         this.amount = amount;
  38         this.controlProgram = controlProgram;
  39     }
  40
  41     public byte[] serializeOutput() throws IOException {
  42         ByteArrayOutputStream stream = new ByteArrayOutputStream();
  43
  44         //assetVersion
  45         Utils.writeVarint(1, stream); //AssetVersion是否默认为1
  46         //outputCommit
  47         ByteArrayOutputStream outputCommitSteam = new ByteArrayOutputStream();
  48         //assetId
  49         outputCommitSteam.write(Hex.decode(assetId));
  50         //amount
  51         Utils.writeVarint(amount, outputCommitSteam);
  52         //vmVersion
  53         Utils.writeVarint(1, outputCommitSteam); //db中获取vm_version
  54         //controlProgram
  55         Utils.writeVarStr(Hex.decode(controlProgram), outputCommitSteam);
  56
  57         Utils.writeExtensibleString(outputCommitSteam.toByteArray(), stream);
  58
  59         //outputWitness
  60         Utils.writeVarint(0, stream);
  61         return stream.toByteArray();
  62     }
  63
  64     public Long getAmount() {
  65         return amount;
  66     }
  67
  68     public void setAmount(Long amount) {
  69         this.amount = amount;
  70     }
  71
  72     public String getAssetId() {
  73         return assetId;
  74     }
  75
  76     public void setAssetId(String assetId) {
  77         this.assetId = assetId;
  78     }
  79
  80     public String getControlProgram() {
  81         return controlProgram;
  82     }
  83
  84     public void setControlProgram(String controlProgram) {
  85         this.controlProgram = controlProgram;
  86     }
  87
  88     public String getId() {
  89         return id;
  90     }
  91
  92     public void setId(String id) {
  93         this.id = id;
  94     }
  95
  96     public Integer getPosition() {
  97         return position;
  98     }
  99
 100     public void setPosition(Integer position) {
 101         this.position = position;
 102     }
 103 }