init

backend/src/main/java/org/bdware/sc/registry/DBConnector.java

@@ -0,0 +1,105 @@
+package org.bdware.sc.registry;
+
+import com.google.gson.JsonObject;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.bdware.sc.util.ExceptionUtil;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+public class DBConnector {
+  private static final Logger LOGGER = LogManager.getLogger(DBConnector.class);
+  public static Connection jdbcConnection;
+  public static String url;
+  public static String userName;
+  public static String password;
+
+
+  public static void init() throws SQLException {
+    try {
+      JsonObject ret = new JsonObject();
+      ret.addProperty("success", "yes");
+      System.out.println(ret.get("success"));
+      Class.forName("org.postgresql.Driver");
+      connClose(jdbcConnection);
+    } catch (Exception e) {
+      LOGGER.error(e.getMessage());
+      LOGGER.debug(ExceptionUtil.exceptionToString(e));
+    }
+    jdbcConnection = DriverManager.getConnection(url, userName, password);
+  }
+
+  public static void connect() throws SQLException {
+    if (url == null) init();
+    if (jdbcConnection == null || jdbcConnection.isClosed())
+      jdbcConnection = DriverManager.getConnection(url, userName, password);
+  }
+
+  private static void connClose(Connection conn) {
+    if (conn == null) return;
+    try {
+      if (conn != null && !conn.isClosed()) conn.close();
+    } catch (Exception e) {
+      LOGGER.error(e.getMessage());
+      LOGGER.debug(ExceptionUtil.exceptionToString(e));
+    }
+  }
+
+  private static void pstmtClose(PreparedStatement pstmt) {
+    if (pstmt == null) return;
+    try {
+      if (pstmt != null && !pstmt.isClosed()) pstmt.close();
+    } catch (Exception e) {
+      LOGGER.error(e.getMessage());
+      LOGGER.debug(ExceptionUtil.exceptionToString(e));
+    }
+  }
+
+  public static void insert(String schema, String table, Map<String, Object> items) {
+//    if (!items.containsKey("time") || items.get("time").equals("0")) return; // If time is null, do nothing.
+    // prepare columns and values needed in sql
+    StringBuilder columns = new StringBuilder();
+    StringBuilder values = new StringBuilder();
+
+    List<Map.Entry<String, Object>> list = new ArrayList<>(items.entrySet());
+    list.forEach(item -> {
+      columns.append("\"").append(item.getKey()).append("\",");
+      values.append("?,");
+    });
+    columns.deleteCharAt(columns.lastIndexOf(","));
+    values.deleteCharAt(values.lastIndexOf(","));
+
+    // generate sql
+    // example:
+    // INSERT INTO "public"."doip_request" ("op","server_doid","status_code","client_doid","do_prefix",
+    // "response_hash","server_pubkey","do_data_id","do_repo","request_hash","client_pubkey","server_ip",
+    // "client_ip","time","record_hash") VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
+    String sql = "INSERT INTO \"" + schema + "\".\"" + table + "\" (" + columns + ") VALUES (" + values + ")";
+
+    // execute sql
+    PreparedStatement pstmt = null;
+    try {
+      connect();
+      pstmt = jdbcConnection.prepareStatement(sql);
+      int i = 1;
+      for (Map.Entry<String, Object> item : list) {
+        pstmt.setObject(i, item.getValue());
+        i++;
+      }
+      System.out.println(pstmt);
+      pstmt.executeUpdate();
+    } catch (SQLException e) {
+      LOGGER.error(e.getMessage());
+      LOGGER.debug(ExceptionUtil.exceptionToString(e));
+    }
+    pstmtClose(pstmt);
+    connClose(jdbcConnection);
+  }
+
+}

backend/src/main/java/org/bdware/sc/registry/Hello.java

@@ -1,4 +1,4 @@
-package org.bdware.sc.contractexample;
+package org.bdware.sc.registry;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;

backend/src/main/java/org/bdware/sc/registry/RegistryDB.java

@@ -0,0 +1,33 @@
+package org.bdware.sc.registry;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import org.bdware.sc.engine.JSONTool;
+import wrp.jdk.nashorn.api.scripting.ScriptObjectMirror;
+
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+
+
+public class RegistryDB {
+  public static void init(ScriptObjectMirror arg, String requester) {
+    try {
+      JsonObject jsonData = JSONTool.convertMirrorToJson(arg).getAsJsonObject();
+      DBConnector.url = jsonData.get("DBUrl").getAsString();
+      DBConnector.password = jsonData.get("password").getAsString();
+      DBConnector.userName = jsonData.get("username").getAsString();
+      DBConnector.connect();
+
+      Map<String, Object> item = new HashMap<>();
+      item.put("pubkey", requester);
+      item.put("type", "admin");
+      item.put("username", "admin");
+      DBConnector.insert("registry", "user", item);
+    } catch (Exception e) {
+      e.printStackTrace();
+    }
+  }
+
+
+}

backend/src/main/resources/log4j2.properties

@@ -1,15 +0,0 @@
-filter.threshold.type=ThresholdFilter
-filter.threshold.level=debug
-appender.console.type=Console
-appender.console.name=STDOUT
-appender.console.layout.type=PatternLayout
-appender.console.layout.pattern=%highlight{[%-5p] %d{HH:mm:ss.SSS} %m (%F:%L)[%M]%n}{FATAL=Bright Red,ERROR=Red,WARN=Yellow,INFO=Green,DEBUG=Blue,TRACE=White}
-appender.rolling.type=File
-appender.rolling.name=log
-appender.rolling.append=true
-appender.rolling.fileName=./log/gateway.log
-appender.rolling.layout.type=PatternLayout
-appender.rolling.layout.pattern=%d-%m%n
-rootLogger.level=info
-rootLogger.appenderRef.stdout.ref=STDOUT
-rootLogger.appenderRef.log.ref=log

backend/src/test/resources/log4j2.properties

@@ -1,15 +0,0 @@
-filter.threshold.type=ThresholdFilter
-filter.threshold.level=debug
-appender.console.type=Console
-appender.console.name=STDOUT
-appender.console.layout.type=PatternLayout
-appender.console.layout.pattern=%highlight{[%-5p] %d{HH:mm:ss.SSS} %m (%F:%L)[%M]%n}{FATAL=Bright Red,ERROR=Red,WARN=Yellow,INFO=Green,DEBUG=Blue,TRACE=White}
-appender.rolling.type=File
-appender.rolling.name=log
-appender.rolling.append=true
-appender.rolling.fileName=./log/gateway.log
-appender.rolling.layout.type=PatternLayout
-appender.rolling.layout.pattern=%d-%m%n
-rootLogger.level=info
-rootLogger.appenderRef.stdout.ref=STDOUT
-rootLogger.appenderRef.log.ref=log