diff --git a/eth-contracts/.gitignore b/eth-contracts/.gitignore
index 4375fea..4a31fd5 100644
--- a/eth-contracts/.gitignore
+++ b/eth-contracts/.gitignore
@@ -1,4 +1,6 @@
 node_modules
-artifacts/**
+artifacts
 cache
-dist/**
\ No newline at end of file
+dist
+coverage
+coverage.json
\ No newline at end of file
diff --git a/eth-contracts/.solcover.js b/eth-contracts/.solcover.js
new file mode 100644
index 0000000..585f346
--- /dev/null
+++ b/eth-contracts/.solcover.js
@@ -0,0 +1,3 @@
+module.exports = {
+    skipFiles: ['Timelock.sol', 'Mediator.sol', 'vendor/Ownable.sol']
+};
\ No newline at end of file
diff --git a/eth-contracts/hardhat.config.ts b/eth-contracts/hardhat.config.ts
index 95955a1..66a5258 100644
--- a/eth-contracts/hardhat.config.ts
+++ b/eth-contracts/hardhat.config.ts
@@ -2,7 +2,8 @@ import { task } from "hardhat/config";
 import "@nomiclabs/hardhat-ethers";
 import "hardhat-tracer";
 import "@nomiclabs/hardhat-waffle";
-import "hardhat-ethernal";
+import "solidity-coverage";
+import "hardhat-gas-reporter";
 
 task("accounts", "Prints the list of accounts", async (args, hre) => {
   const accounts = await hre.ethers.getSigners();
@@ -21,5 +22,9 @@ export default {
         mnemonic: "test test test test test test test test test test test junk"
       }
     }
+  },
+  gasReporter: {
+    currency: 'USD',
+    enabled: (process.env.REPORT_GAS) ? true : false
   }
 };
\ No newline at end of file
diff --git a/eth-contracts/package-lock.json b/eth-contracts/package-lock.json
index af15f4c..751e22d 100644
--- a/eth-contracts/package-lock.json
+++ b/eth-contracts/package-lock.json
@@ -1,10 +1,11 @@
 {
-  "name": "eth-contracts",
+  "name": "dione-eth-contracts",
   "version": "1.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
+      "name": "dione-eth-contracts",
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
@@ -20,12 +21,119 @@
         "ethereum-waffle": "^3.3.0",
         "ethers": "^5.1.3",
         "hardhat": "^2.1.2",
-        "hardhat-ethernal": "^0.2.3",
+        "hardhat-gas-reporter": "^1.0.4",
         "hardhat-tracer": "*",
+        "solidity-coverage": "^0.7.16",
         "ts-node": "^9.1.1",
         "typescript": "^4.2.4"
       }
     },
+    "node_modules/@codechecks/client": {
+      "version": "0.1.10",
+      "resolved": "https://registry.npmjs.org/@codechecks/client/-/client-0.1.10.tgz",
+      "integrity": "sha512-rvX+LknmMohsLTU8mHJqIcNTo8fKfw6A5i7JvT6JJWqwCLi+TujHpRO8BLf48iF96+gU5viVvKfRaUyhc3wloA==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "bluebird": "^3.5.3",
+        "chalk": "^2.4.2",
+        "commander": "^2.19.0",
+        "debug": "^4.1.1",
+        "execa": "^1.0.0",
+        "glob": "^7.1.3",
+        "graceful-fs": "^4.1.15",
+        "js-yaml": "^3.13.1",
+        "json5": "^2.1.0",
+        "lodash": "^4.17.11",
+        "marked": "^0.7.0",
+        "marked-terminal": "^3.3.0",
+        "mkdirp": "^0.5.1",
+        "ms": "^2.1.1",
+        "promise": "^8.0.2",
+        "request": "^2.88.0",
+        "request-promise": "^4.2.2",
+        "ts-essentials": "^1.0.2",
+        "ts-node": "^8.0.2",
+        "url-join": "^4.0.0"
+      },
+      "bin": {
+        "codechecks": "dist/runner.js"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/@codechecks/client/node_modules/chalk": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+      "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "ansi-styles": "^3.2.1",
+        "escape-string-regexp": "^1.0.5",
+        "supports-color": "^5.3.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/@codechecks/client/node_modules/commander": {
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+      "dev": true,
+      "peer": true
+    },
+    "node_modules/@codechecks/client/node_modules/diff": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
+      "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
+      "dev": true,
+      "peer": true,
+      "engines": {
+        "node": ">=0.3.1"
+      }
+    },
+    "node_modules/@codechecks/client/node_modules/supports-color": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "has-flag": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/@codechecks/client/node_modules/ts-node": {
+      "version": "8.10.2",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-8.10.2.tgz",
+      "integrity": "sha512-ISJJGgkIpDdBhWVu3jufsWpK3Rzo7bdiIXJjQc0ynKxVOVcg2oIrf2H2cejminGrptVc6q6/uynAHNCuWGbpVA==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "arg": "^4.1.0",
+        "diff": "^4.0.1",
+        "make-error": "^1.1.1",
+        "source-map-support": "^0.5.17",
+        "yn": "3.1.1"
+      },
+      "bin": {
+        "ts-node": "dist/bin.js",
+        "ts-node-script": "dist/bin-script.js",
+        "ts-node-transpile-only": "dist/bin-transpile.js",
+        "ts-script": "dist/bin-script-deprecated.js"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      },
+      "peerDependencies": {
+        "typescript": ">=2.7"
+      }
+    },
     "node_modules/@ensdomains/ens": {
       "version": "0.4.5",
       "resolved": "https://registry.npmjs.org/@ensdomains/ens/-/ens-0.4.5.tgz",
@@ -1102,446 +1210,39 @@
         "@ethersproject/strings": "^5.1.0"
       }
     },
-    "node_modules/@firebase/analytics": {
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-      "resolved": "https://registry.npmjs.org/@firebase/analytics/-/analytics-0.6.9.tgz",
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+    "node_modules/@nodelib/fs.scandir": {
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.4.tgz",
+      "integrity": "sha512-33g3pMJk3bg5nXbL/+CY6I2eJDzZAni49PfJnL5fghPTggPvBd/pFNSgJsdAgWptuFu7qq/ERvOYFlhvsLTCKA==",
       "dev": true,
       "dependencies": {
-        "@firebase/analytics-types": "0.4.0",
-        "@firebase/component": "0.4.1",
-        "@firebase/installations": "0.4.25",
-        "@firebase/logger": "0.2.6",
-        "@firebase/util": "1.0.0",
-        "tslib": "^2.1.0"
-      },
-      "peerDependencies": {
-        "@firebase/app": "0.x",
-        "@firebase/app-types": "0.x"
-      }
-    },
-    "node_modules/@firebase/analytics-types": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/@firebase/analytics-types/-/analytics-types-0.4.0.tgz",
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+    "xhr2-cookies": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz",
+      "integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
+      "dev": true,
+      "requires": {
+        "cookiejar": "^2.1.1"
+      }
+    },
     "xmlhttprequest": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
@@ -31061,6 +37344,12 @@
       "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
       "dev": true
     },
+    "yaeti": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+      "integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc=",
+      "dev": true
+    },
     "yallist": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
diff --git a/eth-contracts/package.json b/eth-contracts/package.json
index da273a4..46b7999 100644
--- a/eth-contracts/package.json
+++ b/eth-contracts/package.json
@@ -5,6 +5,8 @@
   "main": "",
   "scripts": {
     "test": "TS_NODE_FILES=true npx hardhat test",
+    "test:reportGas": "REPORT_GAS=1 TS_NODE_FILES=true npx hardhat test",
+    "coverage": "TS_NODE_FILES=true npx hardhat coverage",
     "deployLocal": "TS_NODE_FILES=true npx hardhat --network geth run scripts/deploy.ts"
   },
   "author": "",
@@ -19,8 +21,9 @@
     "ethereum-waffle": "^3.3.0",
     "ethers": "^5.1.3",
     "hardhat": "^2.1.2",
-    "hardhat-ethernal": "^0.2.3",
+    "hardhat-gas-reporter": "^1.0.4",
     "hardhat-tracer": "*",
+    "solidity-coverage": "^0.7.16",
     "ts-node": "^9.1.1",
     "typescript": "^4.2.4"
   },