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2021-Shenzhen-FinTechathon3/Contracts/solidity/Blacklist.sol

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+// SPDX-License-Identifier: SimPL-2.0
+pragma solidity>=0.4.24 <0.6.11;
+pragma experimental ABIEncoderV2;
+
+import "./Table.sol";
+import "./DataFormat.sol";
+
+contract Blacklist is DataFormat{
+   event insertResult(int256 count);
+   event updateResult(int256 count);
+   event removeResult(int256 count);
+
+
+   TableFactory tableFactory;
+
+   string constant BLACK_LIST_TABLE_NAME = "blacklist";
+
+   string[] allUserId;
+
+      constructor() public {
+      // Set tableFactory address 
+      tableFactory = TableFactory(0x1001);
+
+      //
+      tableFactory.createTable(BLACK_LIST_TABLE_NAME, "userId", "userState");
+   }
+
+
+    // 初始化用户账户状态表;    用户状态默认值 1 ： 正常账户
+    // 参数数据格式（userId）    返回值（插入数据条数）
+   function initUserState(string memory userId)
+   public
+   returns(int256)
+   {
+      Table table = tableFactory.openTable(BLACK_LIST_TABLE_NAME);
+      Entry entry = table.newEntry();
+
+      // Set Value
+      entry.set("userId", userId);
+      entry.set("userState", "1");
+
+      int256 count = table.insert(userId, entry);
+      emit insertResult(count);
+
+      return count;
+   }
+
+   // 更新用户账户状态, 正常 -> 拉黑
+   // 参数数据格式（userId）    返回值（更新数据条数）
+   function changeUserState(string memory userId)
+   public
+   returns(int256)
+   {
+      Table table = tableFactory.openTable(BLACK_LIST_TABLE_NAME);
+      Entry entry = table.newEntry();
+
+      // 记录黑名单账户
+      allUserId.push(userId);
+
+      //已完成状态 0
+      entry.set("userState", "0");
+
+      Condition condition = table.newCondition();
+      condition.EQ("userId", userId);
+
+      int256 count = table.update(userId, entry, condition);
+      emit updateResult(count);
+      return count;
+   }
+
+
+   // 获得用户账户状态
+   // 参数数据格式（userId）   返回值（"1" -> 正常；"0" -> 拉黑）
+   function getUserState(string memory userId)
+   public
+   view
+   returns(string memory)
+   {
+      Table table = tableFactory.openTable(BLACK_LIST_TABLE_NAME);
+      string memory userState;
+
+      Condition condition = table.newCondition();
+      condition.EQ("userId", userId);
+
+      Entries entries = table.select(userId, condition);
+      if(0 == entries.size())
+      {
+         return("该ID不存在");
+      }
+
+      Entry entry = entries.get(0);
+
+      userState= entry.getString("userState");
+
+      return(userState);
+   }
+
+    // 获取所有黑名单账户
+   function getAllBlacklistUser()
+   public
+   view
+   returns(string[] memory, uint256)
+   {
+        uint256 blacklistNum = allUserId.length;
+        return(allUserId, blacklistNum);
+   }
+}

2021-Shenzhen-FinTechathon3/Contracts/solidity/DataFormat.sol

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+// SPDX-License-Identifier: SimPL-2.0
+pragma solidity>=0.4.24 <0.6.11;
+
+contract DataFormat{
+    // string matching
+   function strMatching(string memory v1, string memory v2)
+   internal
+   pure
+   returns(bool)
+   {
+      return keccak256(bytes(v1)) == keccak256(bytes(v2));
+   }
+
+   // string catenate
+    function strCat(string memory v1, string memory v2) 
+    internal 
+    pure
+    returns (string memory){
+        bytes memory v1Bytes = bytes(v1);
+        bytes memory v2Bytes = bytes(v2);
+
+        string memory result = new string(v1Bytes.length + v2Bytes.length);
+        bytes memory resultBytes = bytes(result);
+
+        uint k = 0;
+        uint i = 0;
+        for (i = 0; i < v1Bytes.length; i++){
+           resultBytes[k++] = v1Bytes[i];
+        }
+        for (i = 0; i < v2Bytes.length; i++) {
+           resultBytes[k++] = v2Bytes[i];
+        }
+
+        return string(resultBytes);
+
+   }
+
+
+    function strCatWithSymbol(string memory v1, string memory v2) 
+    internal
+    pure
+    returns (string memory) 
+    {
+      if(true == strMatching("", v1)){
+         v1 = v2;
+      }
+      else{
+         v1 = strCat(v1, ",");
+         v1 = strCat(v1, v2);
+      }
+      return v1;
+   }
+}

2021-Shenzhen-FinTechathon3/Contracts/solidity/FundingUser.sol

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+// SPDX-License-Identifier: SimPL-2.0
+pragma solidity>=0.4.24 <0.6.11;
+pragma experimental ABIEncoderV2;
+
+import "./Table.sol";
+import "./DataFormat.sol";
+
+contract FundingUser is DataFormat{
+   event insertResult(int256 count);
+   event updateResult(int256 count);
+   event removeResult(int256 count);
+
+   TableFactory tableFactory;
+
+   string constant FUNDING_USER_TABLE_NAME = "fundingUser";
+
+   constructor() public {
+      // Set tableFactory address 
+      tableFactory = TableFactory(0x1001);
+
+      //资助用户(allFundingNumStr, 对应allFundingUser的金额)
+      tableFactory.createTable(FUNDING_USER_TABLE_NAME, "userId", "allFundingUser, allFundingNumStr, fundingTime, score");
+   }
+
+    // 初始化用户资助表
+    // 参数数据格式（userId）    返回值（插入数据条数）
+   function initFundingInfo(string memory userId)
+   public
+   returns(int256)
+   {
+      Table table = tableFactory.openTable(FUNDING_USER_TABLE_NAME);
+      Entry entry = table.newEntry();
+
+      // Set Value
+      entry.set("userId", userId);
+      entry.set("allFundingUser", "");
+      entry.set("allFundingNumStr", "");
+      entry.set("fundingTime", "");
+      entry.set("score", int256(0));
+
+      int256 count = table.insert(userId, entry);
+      emit insertResult(count);
+
+      return count;
+   }
+
+   // 用户进行资助后，更新资助信息
+   // 参数数据格式（userId，资助金额int，资助对象Id，资助金额string，资助时间）    返回值（更新数据条数）
+   // 测试数据 1."2" "200" "伍羽放" "200" "2020-10-12"   2."2" "500" "赵双" "500" "2021-10-12"
+   function updateFundingInfo(string memory userId, int256 fundsNumInt, string memory fundingId, string memory fundsNumStr, string memory fundingTime)
+   public
+   returns(int256)
+   {
+      Table table = tableFactory.openTable(FUNDING_USER_TABLE_NAME);
+
+      Condition condition = table.newCondition();
+      condition.EQ("userId", userId);
+
+      // Get current fundsSum
+      Entry entry = table.select(userId, condition).get(0);
+
+      //资助者对象Id拼接
+      string memory allFundingUser = entry.getString("allFundingUser");
+      allFundingUser = strCatWithSymbol(allFundingUser, fundingId);
+
+      // 每名资助者的金额
+      // 资助金额拼接
+      string memory allFundingNumStr = entry.getString("allFundingNumStr");
+      allFundingNumStr = strCatWithSymbol(allFundingNumStr, fundsNumStr);
+
+      //资助者时间拼接
+      string memory allFundingTime = entry.getString("fundingTime");
+      allFundingTime = strCatWithSymbol(allFundingTime, fundingTime);
+
+      int256 score = entry.getInt("score");
+      score = score + (fundsNumInt * 10);
+
+      entry.set("allFundingUser", allFundingUser);
+      entry.set("allFundingNumStr", allFundingNumStr);
+      entry.set("fundingTime", allFundingTime);
+      entry.set("score", score);
+
+      int256 count = table.update(userId, entry, condition);
+      emit updateResult(count);
+
+      return count;
+   }
+
+   // 获得资助者当前资助数据
+   // 参数数据格式（userId）   返回值（所有资助对象Id，所有资助对象金额，对应资助时间，总积分）
+   function getUserFundingInfo(string memory userId)
+   public
+   view
+   returns(string memory, string memory, string memory, int256)
+   {
+      Table table = tableFactory.openTable(FUNDING_USER_TABLE_NAME);
+
+      Condition condition = table.newCondition();
+      condition.EQ("userId", userId);
+
+      Entries entries = table.select(userId, condition);
+      if(0 == entries.size())
+      {
+         return("","","",-1);
+      }
+
+      Entry entry = entries.get(0);
+      //allFundingUser, allFundingNumStr, fundingTime, score
+      string memory allFundingUser = entry.getString("allFundingUser");
+      string memory allFundingNumStr = entry.getString("allFundingNumStr");
+      string memory fundingTime = entry.getString("fundingTime");
+      int256 score = entry.getInt("score");
+
+      return(allFundingUser, allFundingNumStr, fundingTime, score);
+   }
+
+}