Initial commit

contracts/Migrations.sol

+pragma solidity ^0.4.23;
+
+contract Migrations {
+  address public owner;
+  uint public last_completed_migration;
+
+  constructor() public {
+    owner = msg.sender;
+  }
+
+  modifier restricted() {
+    if (msg.sender == owner) _;
+  }
+
+  function setCompleted(uint completed) public restricted {
+    last_completed_migration = completed;
+  }
+
+  function upgrade(address new_address) public restricted {
+    Migrations upgraded = Migrations(new_address);
+    upgraded.setCompleted(last_completed_migration);
+  }
+}

contracts/tax.sol

+pragma solidity ^0.4.7;
+contract tax {
+    function output_before(uint money)  public returns (uint) {
+        uint money_before;
+        uint res1;
+        money_before=money-3500;
+        if(money <= 3500){
+            res1 = 0;
+        }else if(money_before >0 && money_before<=1500){
+            res1 = money_before*3/100;
+        }else if(money_before>1500 && money_before <=4500){
+            res1 = money_before/10-105;
+        }else if(money_before>4500 && money_before <=9000){
+            res1 = money_before*2/10-555;
+        }else if(money_before>9000 && money_before <= 35000){
+            res1 = money_before*25/100-1005;
+        }else if(money_before>35000 && money_before <= 55000){
+            res1 = money_before*3/10-2755;
+        }else if(money_before>55000 && money_before <= 80000){
+            res1 = money_before*35/100-5505;
+        }else if(money_before>80000){
+            res1 = money_before*45/100-13505;
+      }
+    return res1;
+}
+    function output_after(uint money)  public returns (uint) {
+        uint money_after;
+        uint res2;
+        money_after=money-5000;
+        if(money <= 5000){
+            res2 = 0;
+        }else if(money_after >0 && money_after<=3000){
+            res2 = money_after*3/100;
+        }else if(money_after>3000 && money_after <=12000){
+            res2 = money_after/10-210;
+        }else if(money_after>12000 && money_after <=25000){
+            res2 = money_after*2/10-1410;
+        }else if(money_after>25000 && money_after <= 35000){
+            res2 = money_after*25/100-2660;
+        }else if(money_after>35000 && money_after <= 55000){
+            res2 = money_after*3/10-4410;
+        }else if(money_after>55000 && money_after <= 80000){
+            res2 = money_after*35/100-7610;
+        }else if(money_after>80000){
+            res2 = money_after*45/100-15160;
+      }
+    return res2;
+    }
+}

migrations/1_initial_migration.js

+var Migrations = artifacts.require("./Migrations.sol");
+
+module.exports = function(deployer) {
+  deployer.deploy(Migrations);
+};

migrations/2_deploy_contracts.js

+const tax = artifacts.require("./tax.sol");
+module.exports = function(deployer) {
+	deployer.deploy(tax);
+};
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truffle-config.js

+/*
+ * NB: since truffle-hdwallet-provider 0.0.5 you must wrap HDWallet providers in a 
+ * function when declaring them. Failure to do so will cause commands to hang. ex:
+ * ```
+ * mainnet: {
+ *     provider: function() { 
+ *       return new HDWalletProvider(mnemonic, 'https://mainnet.infura.io/<infura-key>') 
+ *     },
+ *     network_id: '1',
+ *     gas: 4500000,
+ *     gasPrice: 10000000000,
+ *   },
+ */
+
+module.exports = {
+  // See   // for more about customizing your Truffle configuration!
+  networks: {
+    development: {
+      host: "10.162.133.31",
+      port: 7545,
+      network_id: "*" // Match any network id
+    }
+  }
+};
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truffle.js

+/*
+ * NB: since truffle-hdwallet-provider 0.0.5 you must wrap HDWallet providers in a 
+ * function when declaring them. Failure to do so will cause commands to hang. ex:
+ * ```
+ * mainnet: {
+ *     provider: function() { 
+ *       return new HDWalletProvider(mnemonic, 'https://mainnet.infura.io/<infura-key>') 
+ *     },
+ *     network_id: '1',
+ *     gas: 4500000,
+ *     gasPrice: 10000000000,
+ *   },
+ */
+
+module.exports = {
+  // See   // for more about customizing your Truffle configuration!
+  networks: {
+    development: {
+      host: "10.162.133.31",
+      port: 7545,
+      network_id: "*" // Match any network id
+    }
+  }
+};
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