v 0.5.9, worker end - support for p2sh

PawelGorny · Mar 28, 2022 · 4a4706c · 4a4706c
1 parent 836aa67
commit 4a4706c
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Showing 4 changed files with 41 additions and 10 deletions.
diff --git a/examples/example_END_3.conf b/examples/example_END_3.conf
@@ -0,0 +1,6 @@
+END
+#target: L2VuM2Mj8E1VwwBLbxj8zujzeKJPQ9UE2GwMjEvLiCMY3kJj6F8F
+#2nd line: WIF with missing end
+L2VuM2Mj8E1VwwBLbxj8zujzeKJPQ9UE2GwMjEvLiCMY3
+#3rd end: expected address, if you know one
+3H1qgYqxfzqxmMT9MKAjbxyrpVZ5YtA3wX
diff --git a/pom.xml b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.pawelgorny</groupId>
     <artifactId>wifSolver</artifactId>
-    <version>0.5.8</version>
+    <version>0.5.9</version>
     <packaging>jar</packaging>
 
     <dependencies>

diff --git a/src/main/java/com/pawelgorny/wifsolver/Configuration.java b/src/main/java/com/pawelgorny/wifsolver/Configuration.java
@@ -17,7 +17,7 @@ public class Configuration {
     private final static int STATUS_PERIOD = 60 * 1000; //1 minute
     private final static int CHECKSUM_CHARS = 5;
 
-
+    private Boolean isP2SH;
     private final String targetAddress;
     private final String wif;
     private final String wifStatus;
@@ -33,9 +33,15 @@ public class Configuration {
 
     public Configuration(String targetAddress, String wif, String wifStatus, WORK work, Map<Integer, char[]> guess) {
         this.targetAddress = targetAddress;
+        isP2SH = false;
         if (targetAddress != null) {
-            this.address = LegacyAddress.fromBase58(NETWORK_PARAMETERS, getTargetAddress());
-            this.addressHash = address.getHash();
+            if (targetAddress.startsWith("3")){
+                compressed = true;
+                isP2SH = true;
+            }else {
+                this.address = LegacyAddress.fromBase58(NETWORK_PARAMETERS, getTargetAddress());
+                this.addressHash = address.getHash();
+            }
         }
         this.wif = wif;
         this.compressed = wif.length() == COMPRESSED_WIF_LENGTH || (WORK.END.equals(work) && (wif.startsWith("L") || wif.startsWith("K")));
@@ -104,6 +110,10 @@ public void setForceThreads(Integer forceThreads) {
         this.forceThreads = forceThreads;
     }
 
+    public Boolean getIsP2SH() {
+        return isP2SH;
+    }
+
     class EmailConfiguration{
         private final Session mailSession;
         private final String emailTo;

diff --git a/src/main/java/com/pawelgorny/wifsolver/WorkerEnd.java b/src/main/java/com/pawelgorny/wifsolver/WorkerEnd.java
@@ -1,6 +1,9 @@
 package com.pawelgorny.wifsolver;
 
 import org.bitcoinj.core.*;
+import org.bitcoinj.script.Script;
+import org.bitcoinj.script.ScriptBuilder;
+import org.bitcoinj.script.ScriptPattern;
 
 import java.util.Arrays;
 import java.util.Date;
@@ -121,12 +124,24 @@ private String checksumCheck(int missing, String wif, int len, final Address tar
             if (!configuration.isCompressed()) {
                 ecKey = ecKey.decompress();
             }
-            if (targetAddress != null) {
-                if (Arrays.equals(ecKey.getPubKeyHash(), targetAddress.getHash())) {
-                    Address foundAddress = LegacyAddress.fromKey(Configuration.getNetworkParameters(), ecKey);
-                    found = true;
-                    super.addResult(encoded + " -> " + foundAddress);
-                    System.out.println(encoded + " -> " + foundAddress);
+            if (targetAddress != null || configuration.getIsP2SH()) {
+                if (configuration.getIsP2SH()){
+                    Script redeemScript = ScriptBuilder.createP2WPKHOutputScript(ecKey);
+                    Script script = ScriptBuilder.createP2SHOutputScript(redeemScript);
+                    byte[] scriptHash = ScriptPattern.extractHashFromP2SH(script);
+                    LegacyAddress foundAddress = LegacyAddress.fromScriptHash(configuration.getNetworkParameters(), scriptHash);
+                    if (foundAddress.toString().equals(configuration.getTargetAddress())){
+                        found = true;
+                        super.addResult(encoded + " -> " + foundAddress);
+                        System.out.println(encoded + " -> " + foundAddress);
+                    }
+                }else {
+                    if (Arrays.equals(ecKey.getPubKeyHash(), targetAddress.getHash())) {
+                        Address foundAddress = LegacyAddress.fromKey(Configuration.getNetworkParameters(), ecKey);
+                        found = true;
+                        super.addResult(encoded + " -> " + foundAddress);
+                        System.out.println(encoded + " -> " + foundAddress);
+                    }
                 }
             } else {
                 Address foundAddress = LegacyAddress.fromKey(Configuration.getNetworkParameters(), ecKey);