diff --git a/contracts/SampleCrowdsale.sol b/contracts/SampleCrowdsale.sol
new file mode 100644
index 0000000..9b297d1
--- /dev/null
+++ b/contracts/SampleCrowdsale.sol
@@ -0,0 +1,17 @@
+pragma solidity ^0.4.18;
+
+import "zeppelin-solidity/contracts/crowdsale/Crowdsale.sol";
+import "zeppelin-solidity/contracts/crowdsale/emission/MintedCrowdsale.sol";
+import "zeppelin-solidity/contracts/token/ERC20/MintableToken.sol";
+
+contract SampleCrowdsale is MintedCrowdsale {
+  function SampleCrowdsale(
+    uint256 _rate,
+    address _wallet,
+    MintableToken _token
+  )
+    public
+    Crowdsale(_rate, _wallet, _token)
+  {
+  }
+}
diff --git a/contracts/SampleToken.sol b/contracts/SampleToken.sol
new file mode 100644
index 0000000..b399af4
--- /dev/null
+++ b/contracts/SampleToken.sol
@@ -0,0 +1,42 @@
+pragma solidity ^0.4.18;
+
+import "zeppelin-solidity/contracts/token/ERC20/MintableToken.sol";
+import { Jurisdiction } from "./tpl-contracts/Jurisdiction.sol";
+
+/**
+ * @title SampleToken
+ * @dev Mintable ERC20 Token.
+ */
+contract SampleToken is MintableToken {
+
+  Jurisdiction jurisdiction;
+
+  string public constant name = "SampleToken";
+  string public constant symbol = "TPL";
+  uint8 public constant decimals = 18;
+
+  function SampleToken(Jurisdiction _jurisdiction) public {
+    jurisdiction = _jurisdiction;
+    totalSupply_ = 0;
+  }
+
+  function mint(address _to, uint256 _amount)
+    onlyOwner
+    canMint
+    public
+    returns (bool)
+  {
+    require(jurisdiction.hasAttribute(_to, 'VALID'));
+    return super.mint(_to, _amount);
+  }
+
+  function transfer(address _to, uint256 _value) public returns (bool) {
+    require(jurisdiction.hasAttribute(_to, 'VALID'));
+    return super.transfer(_to, _value);
+  }
+
+  function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
+    require(jurisdiction.hasAttribute(_to, 'VALID'));
+    return super.transferFrom(_from, _to, _value);
+  }
+}
diff --git a/migrations/2_jurisdiction.js b/migrations/2_jurisdiction.js
deleted file mode 100644
index cd0ac6a..0000000
--- a/migrations/2_jurisdiction.js
+++ /dev/null
@@ -1,13 +0,0 @@
-const Jurisdiction = artifacts.require("Jurisdiction");
-const DummyValidator = artifacts.require("DummyValidator");
-
-module.exports = function (deployer) {
-  deployer.deploy(Jurisdiction).then(function () {
-      deployer.deploy(DummyValidator, Jurisdiction.address).then(function () {
-        const jur = new Jurisdiction(Jurisdiction.address);
-        return jur.addValidator(DummyValidator.address).then(function () {
-          console.log("Validator added");
-        }).catch(console.log);
-      });
-  });
-};
diff --git a/package-lock.json b/package-lock.json
index a6ca061..039bad7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1532,6 +1532,21 @@
         "type-detect": "4.0.8"
       }
     },
+    "chai-as-promised": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/chai-as-promised/-/chai-as-promised-7.1.1.tgz",
+      "integrity": "sha512-azL6xMoi+uxu6z4rhWQ1jbdUhOMhis2PvscD/xjLqNMkv3BPPp2JyyuTHOrf9BOosGpNQ11v6BKv/g57RXbiaA==",
+      "dev": true,
+      "requires": {
+        "check-error": "1.0.2"
+      }
+    },
+    "chai-bignumber": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/chai-bignumber/-/chai-bignumber-2.0.2.tgz",
+      "integrity": "sha512-BIdRNjRaoRj4bMsZLKbIZPMNKqmwnzNiyxqBYDSs6dFOCs9w8OHPuUE8e1bH60i1IhOzT0NjLtCD+lKEWB1KTQ==",
+      "dev": true
+    },
     "chalk": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
diff --git a/package.json b/package.json
index abb98b2..4f81939 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,8 @@
   },
   "devDependencies": {
     "chai": "^4.1.2",
+    "chai-as-promised": "^7.1.1",
+    "chai-bignumber": "^2.0.2",
     "enzyme": "^3.3.0",
     "enzyme-adapter-react-16": "^1.1.1",
     "jsdom": "^11.7.0",
@@ -31,7 +33,9 @@
   "scripts": {
     "start": "react-scripts start",
     "build": "react-scripts build",
-    "test": "mocha --require babel-core/register --require test/setup.js",
+    "test": "npm run test:react && npm run test:contracts",
+    "test:contracts": "truffle test test/contracts/* --network unexisting",
+    "test:react": "mocha test/react --require babel-core/register --require test/react/setup.js",
     "eject": "react-scripts eject"
   }
 }
diff --git a/test/contracts/DummyValidator.test.js b/test/contracts/DummyValidator.test.js
new file mode 100644
index 0000000..5730657
--- /dev/null
+++ b/test/contracts/DummyValidator.test.js
@@ -0,0 +1,18 @@
+const Jurisdiction = artifacts.require('Jurisdiction');
+const DummyValidator = artifacts.require('DummyValidator');
+
+var should = require('chai').should();
+
+contract('DummyValidator', function ([investor]) {
+
+    beforeEach(async function () {
+        this.jurisdiction = await Jurisdiction.new();
+        this.dummyValidator = await DummyValidator.new(this.jurisdiction.address);
+        await this.jurisdiction.addValidator(this.dummyValidator.address);
+    });
+
+    it('should validate', async function () {
+        await this.dummyValidator.validate({from: investor});
+        (await this.jurisdiction.hasAttribute(investor, 'VALID')).should.be.true;
+    });
+});
diff --git a/test/contracts/SampleCrowdsale.test.js b/test/contracts/SampleCrowdsale.test.js
new file mode 100644
index 0000000..825d63f
--- /dev/null
+++ b/test/contracts/SampleCrowdsale.test.js
@@ -0,0 +1,56 @@
+const Jurisdiction = artifacts.require('Jurisdiction');
+const SampleToken = artifacts.require('SampleToken');
+const SampleCrowdsale = artifacts.require('SampleCrowdsale');
+
+const BigNumber = web3.BigNumber;
+
+var should = require('chai')
+        .use(require('chai-as-promised'))
+        .use(require('chai-bignumber')(BigNumber))
+        .should();
+
+contract('SampleCrowdsale', function ([owner, wallet, investor]) {
+
+    const RATE = new BigNumber(1);
+
+    beforeEach(async function () {
+        this.jurisdiction = await Jurisdiction.new();
+        await this.jurisdiction.addValidator(owner);
+
+        this.token = await SampleToken.new(this.jurisdiction.address);
+        this.crowdsale = await SampleCrowdsale.new(
+            RATE, wallet, this.token.address);
+        await this.token.transferOwnership(this.crowdsale.address);
+    });
+
+    it('should create crowdsale with correct parameters', async function () {
+        (await this.crowdsale.rate()).should.be.bignumber.equal(RATE);
+        (await this.crowdsale.wallet()).should.be.equal(wallet);
+    });
+
+    it('should not accept payment not validated', async function () {
+        const investmentAmount = new BigNumber(web3.toWei(1, 'ether'));
+        await this.crowdsale.buyTokens(
+            investor,
+            { value: investmentAmount, from: investor }
+        ).should.be.rejectedWith('revert');
+        (await this.token.balanceOf(investor))
+            .should.be.bignumber.equal(0);
+        (await this.token.totalSupply())
+            .should.be.bignumber.equal(0);
+    });
+
+    it('should accept payment validated', async function () {
+        await this.jurisdiction.addAttribute(investor, 'VALID', 1);
+
+        const investmentAmount = new BigNumber(web3.toWei(1, 'ether'));
+        await this.crowdsale.buyTokens(
+            investor,
+            { value: investmentAmount, from: investor }
+        ).should.be.fulfilled;
+        (await this.token.balanceOf(investor))
+            .should.be.bignumber.equal(investmentAmount);
+        (await this.token.totalSupply())
+            .should.be.bignumber.equal(investmentAmount);
+    });
+});
diff --git a/test/contracts/SampleToken.test.js b/test/contracts/SampleToken.test.js
new file mode 100644
index 0000000..af45d96
--- /dev/null
+++ b/test/contracts/SampleToken.test.js
@@ -0,0 +1,129 @@
+const Jurisdiction = artifacts.require('Jurisdiction');
+const SampleToken = artifacts.require('SampleToken');
+
+const BigNumber = web3.BigNumber;
+
+var should = require('chai')
+      .use(require('chai-as-promised'))
+      .use(require('chai-bignumber')(BigNumber))
+      .should();
+
+contract('SampleToken', function ([owner, investor1, investor2]) {
+
+  beforeEach(async function () {
+    this.jurisdiction = await Jurisdiction.new();
+    await this.jurisdiction.addValidator(owner);
+
+    this.token = await SampleToken.new(this.jurisdiction.address);
+    await this.token.transferOwnership(owner);
+  });
+
+  it('should not accept not validated minting', async function () {
+    const investmentAmount = new BigNumber(web3.toWei(1, 'ether'));
+    await this.token.mint(
+      investor1, investmentAmount,
+      { from: investor1 }
+    ).should.be.rejectedWith('revert');
+    (await this.token.balanceOf(investor1))
+      .should.be.bignumber.equal(0);
+    (await this.token.totalSupply())
+      .should.be.bignumber.equal(0);
+  });
+
+  it('should accept validated minting', async function () {
+    await this.jurisdiction.addAttribute(investor1, 'VALID', 1);
+
+    const investmentAmount = new BigNumber(web3.toWei(1, 'ether'));
+    await this.token.mint(
+      investor1, investmentAmount,
+      { from: owner }
+    ).should.be.fulfilled;
+    (await this.token.balanceOf(investor1))
+      .should.be.bignumber.equal(investmentAmount);
+    (await this.token.totalSupply())
+      .should.be.bignumber.equal(investmentAmount);
+  });
+
+  it('should not accept not validated transfer', async function () {
+    await this.jurisdiction.addAttribute(investor1, 'VALID', 1);
+    const investmentAmount = new BigNumber(web3.toWei(1, 'ether'));
+    await this.token.mint(
+      investor1, investmentAmount,
+      { from: owner }
+    ).should.be.fulfilled;
+
+    await this.token.transfer(
+      investor2, investmentAmount,
+      { from: investor1 }
+    ).should.be.rejectedWith('revert');
+    (await this.token.balanceOf(investor1))
+      .should.be.bignumber.equal(investmentAmount);
+    (await this.token.balanceOf(investor2))
+      .should.be.bignumber.equal(0);
+  });
+
+  it('should accept validated transfer', async function () {
+    await this.jurisdiction.addAttribute(investor1, 'VALID', 1);
+    const investmentAmount = new BigNumber(web3.toWei(1, 'ether'));
+    await this.token.mint(
+      investor1, investmentAmount,
+      { from: owner }
+    ).should.be.fulfilled;
+
+    await this.jurisdiction.addAttribute(investor2, 'VALID', 1);
+    await this.token.transfer(
+      investor2, investmentAmount,
+      { from: investor1 }
+    ).should.be.fulfilled;
+    (await this.token.balanceOf(investor1))
+      .should.be.bignumber.equal(0);
+    (await this.token.balanceOf(investor2))
+      .should.be.bignumber.equal(investmentAmount);
+  });
+
+  it('should not accept not validated transferFrom', async function () {
+    await this.jurisdiction.addAttribute(investor1, 'VALID', 1);
+    const investmentAmount = new BigNumber(web3.toWei(1, 'ether'));
+    await this.token.mint(
+      investor1, investmentAmount,
+      { from: owner }
+    ).should.be.fulfilled;
+    await this.token.approve(
+      owner, investmentAmount,
+      { from: investor1 }
+    ).should.be.fulfilled;
+
+    await this.token.transferFrom(
+      investor1, investor2, investmentAmount,
+      { from: owner }
+    ).should.be.rejectedWith('revert');
+    (await this.token.balanceOf(investor1))
+      .should.be.bignumber.equal(investmentAmount);
+    (await this.token.balanceOf(investor2))
+      .should.be.bignumber.equal(0);
+  });
+
+  it('should accept validated transferFrom', async function () {
+    await this.jurisdiction.addAttribute(investor1, 'VALID', 1);
+    const investmentAmount = new BigNumber(web3.toWei(1, 'ether'));
+    await this.token.mint(
+      investor1, investmentAmount,
+      { from: owner }
+    ).should.be.fulfilled;
+    await this.token.approve(
+      owner, investmentAmount,
+      { from: investor1 }
+    ).should.be.fulfilled;
+
+    await this.jurisdiction.addAttribute(investor2, 'VALID', 1);
+    await this.token.transferFrom(
+      investor1, investor2, investmentAmount,
+      { from: owner }
+    ).should.be.fulfilled;
+    (await this.token.balanceOf(investor1))
+      .should.be.bignumber.equal(0);
+    (await this.token.balanceOf(investor2))
+      .should.be.bignumber.equal(investmentAmount);
+  });
+
+});
diff --git a/test/setup.js b/test/react/setup.js
similarity index 100%
rename from test/setup.js
rename to test/react/setup.js
diff --git a/test/test.js b/test/react/test.js
similarity index 88%
rename from test/test.js
rename to test/react/test.js
index d29277b..e487e39 100644
--- a/test/test.js
+++ b/test/react/test.js
@@ -3,7 +3,7 @@ import { expect } from 'chai';
 import { shallow } from 'enzyme';
 import { spy } from 'sinon';
 import { createMockStore } from 'redux-test-utils';
-import ValidatorsList from '../src/components/ValidatorsList.react';
+import ValidatorsList from '../../src/components/ValidatorsList.react';
 
 spy(ValidatorsList.prototype, 'componentDidMount');