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transaction class completed

yauhenip 6 jaren geleden
bovenliggende
fa98d8da16
commit
e32e775029
20 gewijzigde bestanden met toevoegingen van 493 en 57 verwijderingen
Zij-aan-zij weergave Toon Diff Stats
  1. 13
    0
      .idea/libraries/Maven__bouncycastle_bcprov_jdk15_136.xml
  2. 13
    0
      .idea/libraries/Maven__org_ow2_util_bundles_bouncycastle_java5_136_1_0_0.xml
  3. 197
    48
      .idea/workspace.xml
  4. 2
    0
      0.1.iml
  5. 5
    0
      pom.xml
  6. 24
    5
      src/main/java/com/buecoin01/model/Block.java
  7. 38
    2
      src/main/java/com/buecoin01/model/Blockchain.java
  8. 68
    0
      src/main/java/com/buecoin01/model/Transaction.java
  9. 55
    0
      src/main/java/com/buecoin01/model/Wallet.java
  10. 1
    1
      src/main/java/com/buecoin01/utility/Encryption.java
  11. 27
    1
      src/main/java/com/buecoin01/utility/TransactionInput.java
  12. 50
    0
      src/main/java/com/buecoin01/utility/TransactionOutput.java
  13. BIN
      target/classes/com/buecoin01/ProcessLoader.class
  14. BIN
      target/classes/com/buecoin01/model/Block.class
  15. BIN
      target/classes/com/buecoin01/model/Blockchain.class
  16. BIN
      target/classes/com/buecoin01/model/Transaction.class
  17. BIN
      target/classes/com/buecoin01/model/Wallet.class
  18. BIN
      target/classes/com/buecoin01/utility/Encryption.class
  19. BIN
      target/classes/com/buecoin01/utility/TransactionInput.class
  20. BIN
      target/classes/com/buecoin01/utility/TransactionOutput.class

+ 13
- 0
.idea/libraries/Maven__bouncycastle_bcprov_jdk15_136.xml Bestand weergeven 

@@ -0,0 +1,13 @@
1 
+<component name="libraryTable">
2 
+  <library name="Maven: bouncycastle:bcprov-jdk15:136">
3 
+    <CLASSES>
4 
+      <root url="jar://$MAVEN_REPOSITORY$/bouncycastle/bcprov-jdk15/136/bcprov-jdk15-136.jar!/" />
5 
+    </CLASSES>
6 
+    <JAVADOC>
7 
+      <root url="jar://$MAVEN_REPOSITORY$/bouncycastle/bcprov-jdk15/136/bcprov-jdk15-136-javadoc.jar!/" />
8 
+    </JAVADOC>
9 
+    <SOURCES>
10 
+      <root url="jar://$MAVEN_REPOSITORY$/bouncycastle/bcprov-jdk15/136/bcprov-jdk15-136-sources.jar!/" />
11 
+    </SOURCES>
12 
+  </library>
13 
+</component>

+ 13
- 0
.idea/libraries/Maven__org_ow2_util_bundles_bouncycastle_java5_136_1_0_0.xml Bestand weergeven 

@@ -0,0 +1,13 @@
1 
+<component name="libraryTable">
2 
+  <library name="Maven: org.ow2.util.bundles:bouncycastle-java5-136:1.0.0">
3 
+    <CLASSES>
4 
+      <root url="jar://$MAVEN_REPOSITORY$/org/ow2/util/bundles/bouncycastle-java5-136/1.0.0/bouncycastle-java5-136-1.0.0.jar!/" />
5 
+    </CLASSES>
6 
+    <JAVADOC>
7 
+      <root url="jar://$MAVEN_REPOSITORY$/org/ow2/util/bundles/bouncycastle-java5-136/1.0.0/bouncycastle-java5-136-1.0.0-javadoc.jar!/" />
8 
+    </JAVADOC>
9 
+    <SOURCES>
10 
+      <root url="jar://$MAVEN_REPOSITORY$/org/ow2/util/bundles/bouncycastle-java5-136/1.0.0/bouncycastle-java5-136-1.0.0-sources.jar!/" />
11 
+    </SOURCES>
12 
+  </library>
13 
+</component>

+ 197
- 48
.idea/workspace.xml Bestand weergeven 

@@ -2,7 +2,22 @@
2 2 
 <project version="4">
3 3 
   <component name="ChangeListManager">
4 4 
     <list default="true" id="15cb9d44-2114-4e87-9e35-a3d14b1a4bbd" name="Default" comment="">
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+      <change afterPath="$PROJECT_DIR$/.idea/libraries/Maven__org_ow2_util_bundles_bouncycastle_java5_136_1_0_0.xml" afterDir="false" />
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+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
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+      <change beforePath="$PROJECT_DIR$/0.1.iml" beforeDir="false" afterPath="$PROJECT_DIR$/0.1.iml" afterDir="false" />
9 
+      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
10 
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Block.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Block.java" afterDir="false" />
11 
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Blockchain.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Blockchain.java" afterDir="false" />
5 12 
       <change beforePath="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Transaction.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Transaction.java" afterDir="false" />
13 
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Wallet.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Wallet.java" afterDir="false" />
14 
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/buecoin01/utility/Encryption.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/buecoin01/utility/Encryption.java" afterDir="false" />
15 
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionInput.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionInput.java" afterDir="false" />
16 
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionOutput.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionOutput.java" afterDir="false" />
17 
+      <change beforePath="$PROJECT_DIR$/target/classes/com/buecoin01/ProcessLoader.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/buecoin01/ProcessLoader.class" afterDir="false" />
18 
+      <change beforePath="$PROJECT_DIR$/target/classes/com/buecoin01/model/Blockchain.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/buecoin01/model/Blockchain.class" afterDir="false" />
19 
+      <change beforePath="$PROJECT_DIR$/target/classes/com/buecoin01/model/Wallet.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/buecoin01/model/Wallet.class" afterDir="false" />
20 
+      <change beforePath="$PROJECT_DIR$/target/classes/com/buecoin01/utility/Encryption.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/buecoin01/utility/Encryption.class" afterDir="false" />
6 21 
     </list>
7 22 
     <ignored path="$PROJECT_DIR$/target/" />
8 23 
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
 
@@ -17,22 +32,26 @@
17 32 
       <file leaf-file-name="Wallet.java" pinned="false" current-in-tab="false">
18 33 
         <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Wallet.java">
19 34 
           <provider selected="true" editor-type-id="text-editor">
20 
-            <state relative-caret-position="105">
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24 39 
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25 40 
                 <element signature="e#571#572#0" expanded="true" />
41 
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42 
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+                <element signature="e#873#874#0" expanded="true" />
26 45 
               </folding>
27 46 
             </state>
28 47 
           </provider>
29 48 
         </entry>
30 49 
       </file>
31 
-      <file leaf-file-name="Transaction.java" pinned="false" current-in-tab="true">
50 
+      <file leaf-file-name="Transaction.java" pinned="false" current-in-tab="false">
32 51 
         <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Transaction.java">
33 52 
           <provider selected="true" editor-type-id="text-editor">
34 
-            <state relative-caret-position="356">
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-              <caret line="48" column="66" lean-forward="true" selection-start-line="48" selection-start-column="66" selection-end-line="48" selection-end-column="66" />
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37 56 
                 <element signature="imports" expanded="true" />
38 57 
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@@ -43,8 +62,20 @@
43 62 
       <file leaf-file-name="TransactionInput.java" pinned="false" current-in-tab="false">
44 63 
         <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionInput.java">
45 64 
           <provider selected="true" editor-type-id="text-editor">
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-            <state relative-caret-position="30">
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-              <caret line="2" column="29" selection-start-line="2" selection-start-column="29" selection-end-line="2" selection-end-column="29" />
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+              </folding>
48 79 
             </state>
49 80 
           </provider>
50 81 
         </entry>
 
@@ -52,18 +83,38 @@
52 83 
       <file leaf-file-name="TransactionOutput.java" pinned="false" current-in-tab="false">
53 84 
         <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionOutput.java">
54 85 
           <provider selected="true" editor-type-id="text-editor">
55 
-            <state relative-caret-position="30">
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-              <caret line="2" column="30" selection-start-line="2" selection-start-column="30" selection-end-line="2" selection-end-column="30" />
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+                <element signature="e#651#652#0" expanded="true" />
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+                <element signature="e#676#677#0" expanded="true" />
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+                <element signature="e#712#713#0" expanded="true" />
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+              </folding>
57 107 
             </state>
58 108 
           </provider>
59 109 
         </entry>
60 110 
       </file>
61 
-      <file leaf-file-name="Encryption.java" pinned="false" current-in-tab="false">
111 
+      <file leaf-file-name="Encryption.java" pinned="false" current-in-tab="true">
62 112 
         <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/Encryption.java">
63 113 
           <provider selected="true" editor-type-id="text-editor">
64 
-            <state relative-caret-position="108">
65 
-              <caret line="30" column="32" lean-forward="true" selection-start-line="30" selection-start-column="32" selection-end-line="30" selection-end-column="32" />
114 
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66 116 
               <folding>
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+                <element signature="imports" expanded="true" />
67 118 
                 <element signature="e#1683#1684#0" expanded="true" />
68 119 
                 <element signature="e#1724#1725#0" expanded="true" />
69 120 
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@@ -71,11 +122,27 @@
71 122 
           </provider>
72 123 
         </entry>
73 124 
       </file>
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+      <file leaf-file-name="Block.java" pinned="false" current-in-tab="false">
126 
+        <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Block.java">
127 
+          <provider selected="true" editor-type-id="text-editor">
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+            <state relative-caret-position="567">
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130 
+            </state>
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+          </provider>
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+        </entry>
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+      </file>
74 134 
       <file leaf-file-name="Blockchain.java" pinned="false" current-in-tab="false">
75 135 
         <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Blockchain.java">
76 136 
           <provider selected="true" editor-type-id="text-editor">
77 
-            <state relative-caret-position="55">
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-              <caret line="9" column="13" selection-start-line="9" selection-start-column="13" selection-end-line="9" selection-end-column="13" />
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+            <state relative-caret-position="162">
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+              <caret line="17" column="6" selection-start-line="17" selection-start-column="6" selection-end-line="17" selection-end-column="6" />
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+              <folding>
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+                <element signature="imports" expanded="true" />
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79 146 
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80 147 
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81 148 
         </entry>
 
@@ -89,6 +156,11 @@
89 156 
       </list>
90 157 
     </option>
91 158 
   </component>
159 
+  <component name="FindInProjectRecents">
160 
+    <findStrings>
161 
+      <find>applys</find>
162 
+    </findStrings>
163 
+  </component>
92 164 
   <component name="Git.Settings">
93 165 
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
94 166 
   </component>
 
@@ -102,9 +174,14 @@
102 174 
   <component name="IdeDocumentHistory">
103 175 
     <option name="CHANGED_PATHS">
104 176 
       <list>
105 
-        <option value="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Wallet.java" />
177 
+        <option value="$PROJECT_DIR$/pom.xml" />
106 178 
         <option value="$PROJECT_DIR$/src/main/java/com/buecoin01/utility/Encryption.java" />
179 
+        <option value="$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionOutput.java" />
180 
+        <option value="$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionInput.java" />
181 
+        <option value="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Wallet.java" />
107 182 
         <option value="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Transaction.java" />
183 
+        <option value="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Block.java" />
184 
+        <option value="$PROJECT_DIR$/src/main/java/com/buecoin01/model/Blockchain.java" />
108 185 
       </list>
109 186 
     </option>
110 187 
   </component>
 
@@ -117,11 +194,10 @@
117 194 
   <component name="NodePackageJsonFileManager">
118 195 
     <packageJsonPaths />
119 196 
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120 
-  <component name="ProjectFrameBounds">
121 
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-    <option name="width" value="1832" />
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-    <option name="height" value="903" />
197 
+  <component name="ProjectFrameBounds" extendedState="6">
198 
+    <option name="y" value="23" />
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+    <option name="width" value="1440" />
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+    <option name="height" value="812" />
125 201 
   </component>
126 202 
   <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
127 203 
   <component name="ProjectView">
 
@@ -218,6 +294,17 @@
218 294 
     </option>
219 295 
   </component>
220 296 
   <component name="RunManager">
297 
+    <configuration name="Blockchain" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
298 
+      <option name="MAIN_CLASS_NAME" value="com.buecoin01.model.Blockchain" />
299 
+      <module name="0.1" />
300 
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
301 
+      <extension name="coverage">
302 
+        <pattern>
303 
+          <option name="PATTERN" value="com.buecoin01.model.*" />
304 
+          <option name="ENABLED" value="true" />
305 
+        </pattern>
306 
+      </extension>
307 
+    </configuration>
221 308 
     <configuration default="true" type="Application" factoryName="Application">
222 309 
       <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
223 310 
     </configuration>
 
@@ -259,6 +346,11 @@
259 346 
       <properties />
260 347 
       <listeners />
261 348 
     </configuration>
349 
+    <recent_temporary>
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+      <list>
351 
+        <item itemvalue="Application.Blockchain" />
352 
+      </list>
353 
+    </recent_temporary>
262 354 
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263 355 
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264 356 
     <configuration />
 
@@ -270,16 +362,15 @@
270 362 
       <option name="number" value="Default" />
271 363 
       <option name="presentableId" value="Default" />
272 364 
       <updated>1532353115597</updated>
273 
-      <workItem from="1532353121145" duration="6982000" />
365 
+      <workItem from="1532353121145" duration="22002000" />
274 366 
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275 367 
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276 368 
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277 369 
   <component name="TimeTrackingManager">
278 
-    <option name="totallyTimeSpent" value="6982000" />
370 
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279 371 
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280 372 
   <component name="ToolWindowManager">
281 
-    <frame x="-57" y="-1047" width="1832" height="903" extended-state="0" />
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283 374 
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284 375 
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285 376 
       <window_info anchor="bottom" id="Event Log" side_tool="true" />
 
@@ -293,15 +384,16 @@
293 384 
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294 385 
       <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
295 386 
       <window_info anchor="bottom" id="TODO" order="6" />
387 
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296 388 
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297 389 
       <window_info id="Image Layers" />
298 390 
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299 391 
       <window_info anchor="right" id="Capture Analysis" />
300 
-      <window_info anchor="bottom" id="Run" order="2" />
392 
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301 393 
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302 394 
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303 
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304 
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395 
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396 
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305 397 
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306 398 
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307 399 
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@@ -335,63 +427,120 @@
335 427 
         </state>
336 428 
       </provider>
337 429 
     </entry>
338 
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Block.java">
430 
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/Repositories/CoinRepository.java">
339 431 
       <provider selected="true" editor-type-id="text-editor">
340 432 
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341 
-          <caret line="10" column="13" selection-start-line="10" selection-start-column="13" selection-end-line="10" selection-end-column="13" />
433 
+          <caret line="10" column="17" selection-start-line="10" selection-start-column="17" selection-end-line="10" selection-end-column="17" />
342 434 
         </state>
343 435 
       </provider>
344 436 
     </entry>
345 
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Blockchain.java">
437 
+    <entry file="file://$PROJECT_DIR$/pom.xml">
346 438 
       <provider selected="true" editor-type-id="text-editor">
347 
-        <state relative-caret-position="55">
348 
-          <caret line="9" column="13" selection-start-line="9" selection-start-column="13" selection-end-line="9" selection-end-column="13" />
439 
+        <state relative-caret-position="303">
440 
+          <caret line="66" column="19" selection-start-line="66" selection-start-column="19" selection-end-line="66" selection-end-column="19" />
349 441 
         </state>
350 442 
       </provider>
351 443 
     </entry>
352 
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionInput.java">
444 
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Block.java">
353 445 
       <provider selected="true" editor-type-id="text-editor">
354 
-        <state relative-caret-position="30">
355 
-          <caret line="2" column="29" selection-start-line="2" selection-start-column="29" selection-end-line="2" selection-end-column="29" />
446 
+        <state relative-caret-position="567">
447 
+          <caret line="50" lean-forward="true" selection-start-line="50" selection-end-line="50" />
356 448 
         </state>
357 449 
       </provider>
358 450 
     </entry>
359 
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionOutput.java">
451 
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Blockchain.java">
360 452 
       <provider selected="true" editor-type-id="text-editor">
361 
-        <state relative-caret-position="30">
362 
-          <caret line="2" column="30" selection-start-line="2" selection-start-column="30" selection-end-line="2" selection-end-column="30" />
453 
+        <state relative-caret-position="162">
454 
+          <caret line="17" column="6" selection-start-line="17" selection-start-column="6" selection-end-line="17" selection-end-column="6" />
455 
+          <folding>
456 
+            <element signature="imports" expanded="true" />
457 
+            <element signature="e#1713#1714#0" expanded="true" />
458 
+            <element signature="e#1741#1742#0" expanded="true" />
459 
+            <element signature="e#1814#1815#0" expanded="true" />
460 
+            <element signature="e#1854#1855#0" expanded="true" />
461 
+          </folding>
363 462 
         </state>
364 463 
       </provider>
365 464 
     </entry>
366 465 
     <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Wallet.java">
367 466 
       <provider selected="true" editor-type-id="text-editor">
368 
-        <state relative-caret-position="105">
369 
-          <caret line="7" column="13" selection-start-line="7" selection-start-column="13" selection-end-line="7" selection-end-column="13" />
467 
+        <state relative-caret-position="1695">
468 
+          <caret line="123" column="30" selection-start-line="123" selection-start-column="30" selection-end-line="123" selection-end-column="30" />
370 469 
           <folding>
371 470 
             <element signature="imports" expanded="true" />
372 471 
             <element signature="e#549#550#0" expanded="true" />
373 472 
             <element signature="e#571#572#0" expanded="true" />
473 
+            <element signature="e#669#670#0" expanded="true" />
474 
+            <element signature="e#702#703#0" expanded="true" />
475 
+            <element signature="e#841#842#0" expanded="true" />
476 
+            <element signature="e#873#874#0" expanded="true" />
374 477 
           </folding>
375 478 
         </state>
376 479 
       </provider>
377 480 
     </entry>
378 
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/Encryption.java">
481 
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Transaction.java">
379 482 
       <provider selected="true" editor-type-id="text-editor">
380 
-        <state relative-caret-position="108">
381 
-          <caret line="30" column="32" lean-forward="true" selection-start-line="30" selection-start-column="32" selection-end-line="30" selection-end-column="32" />
483 
+        <state relative-caret-position="318">
484 
+          <caret line="117" column="26" lean-forward="true" selection-start-line="117" selection-start-column="26" selection-end-line="117" selection-end-column="26" />
382 485 
           <folding>
383 
-            <element signature="e#1683#1684#0" expanded="true" />
384 
-            <element signature="e#1724#1725#0" expanded="true" />
486 
+            <element signature="imports" expanded="true" />
385 487 
           </folding>
386 488 
         </state>
387 489 
       </provider>
388 490 
     </entry>
389 
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Transaction.java">
491 
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionInput.java">
492 
+      <provider selected="true" editor-type-id="text-editor">
493 
+        <state relative-caret-position="120">
494 
+          <caret line="8" column="10" selection-start-line="8" selection-start-column="10" selection-end-line="8" selection-end-column="10" />
495 
+          <folding>
496 
+            <element signature="e#237#238#0" expanded="true" />
497 
+            <element signature="e#299#300#0" expanded="true" />
498 
+            <element signature="e#556#557#0" expanded="true" />
499 
+            <element signature="e#598#599#0" expanded="true" />
500 
+            <element signature="e#668#669#0" expanded="true" />
501 
+            <element signature="e#730#731#0" expanded="true" />
502 
+            <element signature="e#772#773#0" expanded="true" />
503 
+            <element signature="e#799#800#0" expanded="true" />
504 
+            <element signature="e#850#851#0" expanded="true" />
505 
+            <element signature="e#882#883#0" expanded="true" />
506 
+          </folding>
507 
+        </state>
508 
+      </provider>
509 
+    </entry>
510 
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionOutput.java">
390 511 
       <provider selected="true" editor-type-id="text-editor">
391 
-        <state relative-caret-position="356">
392 
-          <caret line="48" column="66" lean-forward="true" selection-start-line="48" selection-start-column="66" selection-end-line="48" selection-end-column="66" />
512 
+        <state relative-caret-position="314">
513 
+          <caret line="25" column="38" lean-forward="true" selection-start-line="25" selection-start-column="38" selection-end-line="25" selection-end-column="38" />
514 
+          <folding>
515 
+            <element signature="e#651#652#0" expanded="true" />
516 
+            <element signature="e#676#677#0" expanded="true" />
517 
+            <element signature="e#712#713#0" expanded="true" />
518 
+            <element signature="e#740#741#0" expanded="true" />
519 
+            <element signature="e#813#814#0" expanded="true" />
520 
+            <element signature="e#868#869#0" expanded="true" />
521 
+            <element signature="e#912#913#0" expanded="true" />
522 
+            <element signature="e#943#944#0" expanded="true" />
523 
+            <element signature="e#971#972#0" expanded="true" />
524 
+            <element signature="e#1012#1013#0" expanded="true" />
525 
+            <element signature="e#1046#1047#0" expanded="true" />
526 
+            <element signature="e#1092#1093#0" expanded="true" />
527 
+            <element signature="e#1134#1135#0" expanded="true" />
528 
+            <element signature="e#1204#1205#0" expanded="true" />
529 
+            <element signature="e#1266#1267#0" expanded="true" />
530 
+            <element signature="e#717#718#0" expanded="true" />
531 
+            <element signature="e#762#763#0" expanded="true" />
532 
+          </folding>
533 
+        </state>
534 
+      </provider>
535 
+    </entry>
536 
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/Encryption.java">
537 
+      <provider selected="true" editor-type-id="text-editor">
538 
+        <state relative-caret-position="510">
539 
+          <caret line="36" column="5" lean-forward="true" selection-start-line="36" selection-start-column="5" selection-end-line="36" selection-end-column="5" />
393 540 
           <folding>
394 541 
             <element signature="imports" expanded="true" />
542 
+            <element signature="e#1683#1684#0" expanded="true" />
543 
+            <element signature="e#1724#1725#0" expanded="true" />
395 544 
           </folding>
396 545 
         </state>
397 546 
       </provider>

+ 2
- 0
0.1.iml Bestand weergeven 

@@ -105,5 +105,7 @@
105 105 
     <orderEntry type="library" name="Maven: org.springframework:spring-jcl:5.0.7.RELEASE" level="project" />
106 106 
     <orderEntry type="library" scope="TEST" name="Maven: org.springframework:spring-test:5.0.7.RELEASE" level="project" />
107 107 
     <orderEntry type="library" scope="TEST" name="Maven: org.xmlunit:xmlunit-core:2.5.1" level="project" />
108 
+    <orderEntry type="library" name="Maven: org.ow2.util.bundles:bouncycastle-java5-136:1.0.0" level="project" />
109 
+    <orderEntry type="library" name="Maven: bouncycastle:bcprov-jdk15:136" level="project" />
108 110 
   </component>
109 111 
 </module>

+ 5
- 0
pom.xml Bestand weergeven 

@@ -59,6 +59,11 @@
59 59 
 			<artifactId>spring-boot-starter-test</artifactId>
60 60 
 			<scope>test</scope>
61 61 
 		</dependency>
62 
+        <dependency>
63 
+            <groupId>org.ow2.util.bundles</groupId>
64 
+            <artifactId>bouncycastle-java5-136</artifactId>
65 
+            <version>1.0.0</version>
66 
+        </dependency>
62 67 
 	</dependencies>
63 68
64 69 
 	<build>

+ 24
- 5
src/main/java/com/buecoin01/model/Block.java Bestand weergeven 

@@ -5,6 +5,7 @@ import com.buecoin01.utility.Encryption;
5 5
6 6 
 import javax.persistence.*;
7 7 
 import java.time.LocalDateTime;
8 
+import java.util.ArrayList;
8 9
9 10
10 11 
 @Entity
 
@@ -20,13 +21,16 @@ public class Block {
20 21 
     @Column
21 22 
     private String hash;
22 23 
     private String previousHash;
23 
-    private String data;
24 
+    //private String data;
25 
+    public String merkleRoot;
26 
+    public ArrayList<Transaction> transactions = new ArrayList<>();
24 27 
     private LocalDateTime timeStamp;
25 28 
     private int nonce;
26 29
27 30 
     public Block(String previousHash, LocalDateTime time) {
28 31 
         this.timeStamp = time;
29 32 
         this.previousHash = previousHash;
33 
+        this.hash = calculateHash();
30 34 
     }
31 35
32 36 
     public String getHash() {
 
@@ -37,9 +41,9 @@ public class Block {
37 41 
         return previousHash;
38 42 
     }
39 43
40 
-    public String getData() {
41 
-        return data;
42 
-    }
44 
+//    public String getData() {
45 
+//        return data;
46 
+//    }
43 47
44 48 
     public LocalDateTime getTimeStamp() {
45 49 
         return timeStamp;
 
@@ -50,7 +54,7 @@ public class Block {
50 54 
                   previousHash +
51 55 
                         timeStamp.toString() +
52 56 
                         Integer.toString(nonce) +
53 
-                        data);
57 
+                        merkleRoot);
54 58 
     }
55 59
56 60 
     public long getId() {
 
@@ -72,4 +76,19 @@ public class Block {
72 76 
         System.out.println("You have been awarded 1 Zip!");
73 77 
         Coin coin = new Coin(minerID);
74 78 
     }
79 
+
80 
+    //add transactions to this block
81 
+    public boolean addTransaction(Transaction transaction){
82 
+        //process transaction and check if valid, unless block is genesis block then ignore
83 
+        if (transaction == null) return false;
84 
+        if (previousHash != "0"){
85 
+            if (!(transaction.processTransaction())){
86 
+                System.out.println("Transaction failed to process. Discarded.");
87 
+                return false;
88 
+            }
89 
+        }
90 
+        transactions.add(transaction);
91 
+        System.out.println("Transaction Successfully added to the Block!");
92 
+        return true;
93 
+    }
75 94 
 }

+ 38
- 2
src/main/java/com/buecoin01/model/Blockchain.java Bestand weergeven 

@@ -2,14 +2,42 @@ package com.buecoin01.model;
2 2
3 3 
 import com.buecoin01.model.Block;
4 4 
 import com.buecoin01.utility.Encryption;
5 
+import com.buecoin01.utility.TransactionOutput;
5 6 
 import com.google.gson.GsonBuilder;
6 7
7 
-import java.util.ArrayList;
8 
-import java.util.List;
8 
+import java.security.Security;
9 
+import java.util.*;
9 10
10 11 
 public class Blockchain {
11 12 
     private static List<Block> blockchain = new ArrayList<>();
13 
+    private static Map<String, TransactionOutput> UTXOs = new HashMap<>();
14 
+    public static float minimumTransaction = 0.1f;
12 15 
     private static int difficulty = 5;
16 
+    public static Wallet walletA;
17 
+    public static Wallet walletB;
18 
+    //public static Transaction genesisTransaction;
19 
+
20 
+    public static void main(String[] args) {
21 
+        //Setup Bouncey castle as a Security Provider
22 
+        Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
23 
+
24 
+        //Create the new wallets
25 
+        walletA = new Wallet();
26 
+        walletB = new Wallet();
27 
+
28 
+        //Test public and private keys
29 
+        System.out.println("Private and public keys:");
30 
+        System.out.println(Encryption.getStringFromKey(walletA.getPrivateKey()));
31 
+        System.out.println(Encryption.getStringFromKey(walletA.getPublicKey()));
32 
+        //Create a test transaction from WalletA to walletB
33 
+        Transaction transaction = new Transaction(walletA.getPublicKey(), walletB.getPublicKey(), 5, null);
34 
+        transaction.generateSignature(walletA.getPrivateKey());
35 
+
36 
+        //Verify the signature works and verify it from the public key
37 
+        System.out.println("Is signature verified");
38 
+        System.out.println(transaction.verifySignature());
39 
+
40 
+    }
13 41
14 42 
     public String chainToJson() {
15 43 
         return new GsonBuilder()
 
@@ -18,6 +46,14 @@ public class Blockchain {
18 46 
                 .toJson(blockchain);
19 47 
     }
20 48
49 
+    public static Map<String, TransactionOutput> getUTXOs() {
50 
+        return UTXOs;
51 
+    }
52 
+
53 
+    public static void setUTXOs(Map<String, TransactionOutput> UTXOs) {
54 
+        Blockchain.UTXOs = UTXOs;
55 
+    }
56 
+
21 57 
     public static List<Block> getBlockchain() {
22 58 
         return blockchain;
23 59 
     }

+ 68
- 0
src/main/java/com/buecoin01/model/Transaction.java Bestand weergeven 

@@ -13,6 +13,8 @@ public class Transaction {
13 13 
     private String transactionId; //hash of the transaction
14 14 
     private PublicKey sender;
15 15 
     private PublicKey reciepient;
16 
+    private String senderName;
17 
+    private String reciepientName;
16 18 
     private float value;
17 19 
     private byte[] signature;
18 20 
 
@@ -49,4 +51,70 @@ public class Transaction {
49 51 
         String data = Encryption.getStringFromKey(sender) + Encryption.getStringFromKey(reciepient) + Float.toString(value);
50 52 
         return Encryption.verifyECDSASig(sender, data, signature);
51 53 
     }
54 
+
55 
+    //Check if transaction can be created
56 
+    public boolean processTransaction() {
57 
+        if (!verifySignature()) {
58 
+            System.out.println("Transaction Signature failed to verify");
59 
+            return false;
60 
+        }
61 
+
62 
+        //gather transaction inputs to make sure they're unspent
63 
+        for (TransactionInput i : inputs) {
64 
+           i.setUTXO(Blockchain.getUTXOs().get(i.getTransactionOutputId()));
65 
+
66 
+        }
67 
+        //check if transaction is valid
68 
+        if(getInputsValue()< Blockchain.minimumTransaction){
69 
+            System.out.println("Transaction Input to small: " + getInputsValue());
70 
+            return false;
71 
+        }
72 
+        //add outputs to Unspent list
73 
+        for (TransactionOutput o : outputs){
74 
+            Blockchain.getUTXOs().put(o.getId(),o);
75 
+        }
76 
+        //remove transaction inputs from UXTO lists as spent
77 
+        for(TransactionInput i :inputs){
78 
+            if(i.getUTXO() == null) continue; // if Transaction cant be found, skip
79 
+            Blockchain.getUTXOs().remove(i.getUTXO().getId());
80 
+        }
81 
+        return true;
82 
+    }
83 
+
84 
+        // returns sum of inputs(UXTOs) values
85 
+    public float getInputsValue(){
86 
+        float total = 0;
87 
+        for(TransactionInput i : inputs){
88 
+            if(i.getUTXO() == null) continue; // if Transaction cant be found, skip
89 
+            total= total + i.getUTXO().getValue();
90 
+        }
91 
+        return total;
92 
+    }
93 
+
94 
+    public float getOutPutsValue(){
95 
+        float total = 0;
96 
+        for(TransactionOutput o : outputs){
97 
+            total = total + o.getValue();
98 
+        }
99 
+        return total;
100 
+    }
101 
+    // tacks in array of transactions and returns a merkle root
102 
+    public static  String getMerkleRoot(ArrayList<Transaction> transactions){
103 
+        int count = transactions.size();
104 
+        ArrayList<String> previousTreeLayer = new ArrayList<>();
105 
+        for(Transaction transaction: transactions){
106 
+            previousTreeLayer.add(transaction.transactionId);
107 
+        }
108 
+        ArrayList<String> treeLayer = previousTreeLayer;
109 
+        while(count > 1){
110 
+            treeLayer = new ArrayList<>();
111 
+            for(int i = 1; i < previousTreeLayer.size();i++){
112 
+             treeLayer.add(Encryption.applySha256(previousTreeLayer.get(i-1)) + previousTreeLayer.get(i));
113 
+            }
114 
+            count = treeLayer.size();
115 
+            previousTreeLayer = treeLayer;
116 
+        }
117 
+        String merkleRoot = (treeLayer.size() == 1) ? treeLayer.get(0) : "";
118 
+        return merkleRoot;
119 
+    }
52 120 
 }

+ 55
- 0
src/main/java/com/buecoin01/model/Wallet.java Bestand weergeven 

@@ -1,14 +1,21 @@
1 1 
 package com.buecoin01.model;
2 2
3 
+import com.buecoin01.utility.TransactionInput;
4 
+import com.buecoin01.utility.TransactionOutput;
5 
+
3 6 
 import javax.persistence.*;
4 7 
 import java.security.*;
5 8 
 import java.security.spec.ECGenParameterSpec;
9 
+import java.util.ArrayList;
10 
+import java.util.HashMap;
11 
+import java.util.Map;
6 12
7 13 
 @Entity
8 14 
 public class Wallet {
9 15
10 16 
     private PrivateKey privateKey;
11 17 
     private PublicKey publicKey;
18 
+    public HashMap<String, TransactionOutput> UTXOs = new HashMap<>(); // only UTXOs owned by this wallet
12 19 
     @Id
13 20 
     @Column(name = "id")
14 21 
     @GeneratedValue(strategy = GenerationType.IDENTITY)
 
@@ -28,6 +35,15 @@ public class Wallet {
28 35 
     public Wallet() {
29 36 
         generateKeyPair();
30 37 
     }
38 
+
39 
+    public PrivateKey getPrivateKey() {
40 
+        return privateKey;
41 
+    }
42 
+
43 
+    public PublicKey getPublicKey() {
44 
+        return publicKey;
45 
+    }
46 
+
31 47 
     public long getAmount() {
32 48 
         return amount;
33 49 
     }
 
@@ -68,4 +84,43 @@ public class Wallet {
68 84 
             throw new RuntimeException(e);
69 85 
         }
70 86 
     }
87 
+    //returns balance and store the UTXO's owned by this wallet in this.UXTOs
88 
+    public float getBalance(){
89 
+        float total = 0;
90 
+        for (Map.Entry<String, TransactionOutput> item: Blockchain.getUTXOs().entrySet()){
91 
+            TransactionOutput UTXO = item.getValue();
92 
+            if (UTXO.isMine(publicKey)){ //if output belongs to me (if coins belong to me)
93 
+                UTXOs.put(UTXO.getId(), UTXO);   // add it to our list of unspent transaction
94 
+                total = total + UTXO.getValue();
95 
+
96 
+            }
97 
+        }
98 
+        return total;
99 
+    }
100 
+
101 
+    //generates and returns a new transaction from this wallet
102 
+
103 
+
104 
+    public Transaction sendFunds(PublicKey _recipient, float value){
105 
+        if(getBalance() < value) {  //gather balance and check funds
106 
+            System.out.println("Not Enough Funds. Transaction Discarded.");
107 
+            return null;
108 
+       }
109 
+
110 
+       // create arraylist of inputs
111 
+        ArrayList<TransactionInput> inputs = new ArrayList<>();
112 
+        float total = 0;
113 
+        for(Map.Entry<String, TransactionOutput> item: UTXOs.entrySet()){
114 
+            TransactionOutput UTXO = item.getValue();
115 
+            total= total + UTXO.getValue();
116 
+            inputs.add(new TransactionInput(UTXO.getId()));
117 
+            if (total > value) break;
118 
+        }
119 
+        Transaction newTransaction = new Transaction(publicKey, _recipient,value, inputs);
120 
+        newTransaction.generateSignature(privateKey);
121 
+        for (TransactionInput input : inputs){
122 
+            UTXOs.remove(input.getTransactionOutputId());
123 
+        }
124 
+        return newTransaction;
125 
+    }
71 126 
 }

+ 1
- 1
src/main/java/com/buecoin01/utility/Encryption.java Bestand weergeven 

@@ -23,7 +23,7 @@ public class Encryption {
23 23 
     //Apply ECDSA Signature and return result as bytes
24 24 
     public static byte[] applyECDSASig(PrivateKey privateKey, String input) {
25 25 
         Signature dsa;
26 
-        byte[] realSig = new byte[0];
26 
+        byte[] realSig;
27 27 
         try {
28 28 
             dsa = Signature.getInstance("ECDSA","BC");
29 29 
             dsa.initSign(privateKey);

+ 27
- 1
src/main/java/com/buecoin01/utility/TransactionInput.java Bestand weergeven 

@@ -1,4 +1,30 @@
1 1 
 package com.buecoin01.utility;
2 2
3 
+
4 
+//This class will be used to reference TransactionOutputs that have not yet been spent.
5 
+//The transactionOutputId will be used to find the relevant TransactionOutput, allowing miners to check your ownership.
3 6 
 public class TransactionInput {
4 
-}
7 
+    private String transactionOutputId;
8 
+   // private TransactionOutput UTXO; // UTXO means Unspent Transaction Outputs
9 
+   private TransactionOutput UTXO;
10 
+
11 
+    public TransactionInput(String transactionOutputId) {
12 
+        this.transactionOutputId = transactionOutputId;
13 
+    }
14 
+
15 
+    public String getTransactionOutputId() {
16 
+        return transactionOutputId;
17 
+    }
18 
+
19 
+    public void setTransactionOutputId(String transactionOutputId) {
20 
+        this.transactionOutputId = transactionOutputId;
21 
+    }
22 
+
23 
+    public TransactionOutput getUTXO() {
24 
+        return UTXO;
25 
+    }
26 
+
27 
+    public void setUTXO(TransactionOutput UTXO) {
28 
+        this.UTXO = UTXO;
29 
+    }
30 
+}

+ 50
- 0
src/main/java/com/buecoin01/utility/TransactionOutput.java Bestand weergeven 

@@ -1,4 +1,54 @@
1 1 
 package com.buecoin01.utility;
2 2
3 
+import java.security.PublicKey;
4 
+
3 5 
 public class TransactionOutput {
6 
+    private String id;
7 
+    private PublicKey reciepient; //new owner of the coins
8 
+    private float value; //the amount of coins they own
9 
+    private String parentTransactionId;
10 
+
11 
+    public TransactionOutput(PublicKey reciepient, float value, String parentTransactionId) {
12 
+        this.reciepient = reciepient;
13 
+        this.value = value;
14 
+        this.parentTransactionId = parentTransactionId;
15 
+        this.id = Encryption.applySha256(Encryption.getStringFromKey(reciepient)+Float.toString(value)+parentTransactionId);
16 
+    }
17 
+
18 
+    public String getId() {
19 
+        return id;
20 
+    }
21 
+
22 
+    public void setId(String id) {
23 
+        this.id = id;
24 
+    }
25 
+
26 
+    public PublicKey getReciepient() {
27 
+        return reciepient;
28 
+    }
29 
+
30 
+    public void setReciepient(PublicKey reciepient) {
31 
+        this.reciepient = reciepient;
32 
+    }
33 
+
34 
+    public float getValue() {
35 
+        return value;
36 
+    }
37 
+
38 
+    public void setValue(float value) {
39 
+        this.value = value;
40 
+    }
41 
+
42 
+    public String getParentTransactionId() {
43 
+        return parentTransactionId;
44 
+    }
45 
+
46 
+    public void setParentTransactionId(String parentTransactionId) {
47 
+        this.parentTransactionId = parentTransactionId;
48 
+    }
49 
+
50 
+    //Check if coin belongs to publicKey
51 
+    public boolean isMine(PublicKey publicKey) {
52 
+        return publicKey == reciepient;
53 
+    }
4 54 
 }

BIN
target/classes/com/buecoin01/ProcessLoader.class Bestand weergeven


BIN
target/classes/com/buecoin01/model/Block.class Bestand weergeven


BIN
target/classes/com/buecoin01/model/Blockchain.class Bestand weergeven


BIN
target/classes/com/buecoin01/model/Transaction.class Bestand weergeven


BIN
target/classes/com/buecoin01/model/Wallet.class Bestand weergeven


BIN
target/classes/com/buecoin01/utility/Encryption.class Bestand weergeven


BIN
target/classes/com/buecoin01/utility/TransactionInput.class Bestand weergeven


BIN
target/classes/com/buecoin01/utility/TransactionOutput.class Bestand weergeven