diff --git a/docker-compose.test.yml b/docker-compose.test.yml
new file mode 100644
index 00000000..afbe30f0
--- /dev/null
+++ b/docker-compose.test.yml
@@ -0,0 +1,14 @@
+version: '3.2'
+
+services:
+  contract:
+    depends_on:
+      - dapptools
+    build:
+      context: ./test/contract
+      args:
+        ETH_ADDR: "http://192.168.192.4:8545"
+    environment:
+      ETH_ADDR: "http://192.168.192.4:8545"
+    ports:
+      - "127.0.0.1:3000:3000"
diff --git a/test/README.md b/test/README.md
new file mode 100644
index 00000000..95e3b5f8
--- /dev/null
+++ b/test/README.md
@@ -0,0 +1,6 @@
+
+Spin up services: 
+```
+docker-compose -f docker-compose.test.yml -f ../docker-compose.yml up contract
+
+```
\ No newline at end of file
diff --git a/test/contract/.dockerignore b/test/contract/.dockerignore
new file mode 100644
index 00000000..e4036624
--- /dev/null
+++ b/test/contract/.dockerignore
@@ -0,0 +1,3 @@
+node_modules
+artifacts
+cache
\ No newline at end of file
diff --git a/test/contract/Dockerfile b/test/contract/Dockerfile
new file mode 100644
index 00000000..a56d3be0
--- /dev/null
+++ b/test/contract/Dockerfile
@@ -0,0 +1,14 @@
+FROM node:14
+
+ARG ETH_ADDR
+ENV ETH_ADDR $ETH_ADDR
+
+WORKDIR /usr/src/app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+RUN npm run compile && ls -lah
+
+EXPOSE 3000
+
+ENTRYPOINT ["npm", "start"]
\ No newline at end of file
diff --git a/test/contract/contracts/GLDToken.sol b/test/contract/contracts/GLDToken.sol
new file mode 100644
index 00000000..4cd3205f
--- /dev/null
+++ b/test/contract/contracts/GLDToken.sol
@@ -0,0 +1,7 @@
+pragma solidity ^0.8.0;
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+contract GLDToken is ERC20 {
+    constructor() ERC20("Gold", "GLD") {
+        _mint(msg.sender, 1000000000000000000000);
+    }
+}
diff --git a/test/contract/contracts/Greeter.sol b/test/contract/contracts/Greeter.sol
deleted file mode 100644
index 9440bbbb..00000000
--- a/test/contract/contracts/Greeter.sol
+++ /dev/null
@@ -1,21 +0,0 @@
-//SPDX-License-Identifier: Unlicense
-pragma solidity ^0.7.0;
-
-contract Greeter {
-  string greeting;
-
-  event Greet(string value);
-
-  constructor(string memory _greeting) {
-    greeting = _greeting;
-  }
-
-  function greet() public view returns (string memory) {
-    return greeting;
-  }
-
-  function setGreeting(string memory _greeting) public {
-    greeting = _greeting;
-    emit Greet(greeting);
-  }
-}
diff --git a/test/contract/hardhat.config.js b/test/contract/hardhat.config.js
index fb1a3a3e..b474482c 100644
--- a/test/contract/hardhat.config.js
+++ b/test/contract/hardhat.config.js
@@ -17,11 +17,15 @@ task("accounts", "Prints the list of accounts", async () => {
  * @type import('hardhat/config').HardhatUserConfig
  */
 module.exports = {
-  solidity: "0.7.3",
+  solidity: "0.8.0",
   networks: {
     local: {
       url: 'http://127.0.0.1:8545',
       chainId: 4
+    },
+    docker: {
+      url: process.env.ETH_ADDR,
+      chainId: 4
     }
   }
 };
diff --git a/test/contract/package-lock.json b/test/contract/package-lock.json
index d6bbb65d..82ad9e42 100644
--- a/test/contract/package-lock.json
+++ b/test/contract/package-lock.json
@@ -8,6 +8,8 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
+        "@openzeppelin/contracts": "^4.0.0",
+        "fastify": "^3.14.2",
         "hardhat": "^2.2.0"
       },
       "devDependencies": {
@@ -1196,6 +1198,23 @@
         "@ethersproject/strings": "^5.1.0"
       }
     },
+    "node_modules/@fastify/forwarded": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@fastify/forwarded/-/forwarded-1.0.0.tgz",
+      "integrity": "sha512-VoO+6WD0aRz8bwgJZ8pkkxjq7o/782cQ1j945HWg0obZMgIadYW3Pew0+an+k1QL7IPZHM3db5WF6OP6x4ymMA==",
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@fastify/proxy-addr": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@fastify/proxy-addr/-/proxy-addr-3.0.0.tgz",
+      "integrity": "sha512-ty7wnUd/GeSqKTC2Jozsl5xGbnxUnEFC0On2/zPv/8ixywipQmVZwuWvNGnBoitJ2wixwVqofwXNua8j6Y62lQ==",
+      "dependencies": {
+        "@fastify/forwarded": "^1.0.0",
+        "ipaddr.js": "^2.0.0"
+      }
+    },
     "node_modules/@nomiclabs/hardhat-ethers": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/@nomiclabs/hardhat-ethers/-/hardhat-ethers-2.0.2.tgz",
@@ -1222,6 +1241,11 @@
         "hardhat": "^2.0.0"
       }
     },
+    "node_modules/@openzeppelin/contracts": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.0.0.tgz",
+      "integrity": "sha512-UcIJl/vUVjTr3H1yYXZi7Sr2PlXzBEHVUJKOUlVyzyy0FI8oQCCy0Wx+BuK/fojdnmLeMvUk4KUvhKUybP+C7Q=="
+    },
     "node_modules/@resolver-engine/core": {
       "version": "0.3.3",
       "resolved": "https://registry.npmjs.org/@resolver-engine/core/-/core-0.3.3.tgz",
@@ -1589,6 +1613,11 @@
         "node": ">=6"
       }
     },
+    "node_modules/abstract-logging": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/abstract-logging/-/abstract-logging-2.0.1.tgz",
+      "integrity": "sha512-2BjRTZxTPvheOvGbBslFSYOUkr+SjPtOnrLP33f+VIWLzezQpZcqVg7ja3L4dBXmzzgwT+a029jRx5PCi3JuiA=="
+    },
     "node_modules/adm-zip": {
       "version": "0.4.16",
       "resolved": "https://registry.npmjs.org/adm-zip/-/adm-zip-0.4.16.tgz",
@@ -1618,7 +1647,6 @@
       "version": "6.12.6",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
       "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
-      "dev": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -1683,6 +1711,11 @@
         "node": ">= 8"
       }
     },
+    "node_modules/archy": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
+      "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA="
+    },
     "node_modules/argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -1752,6 +1785,25 @@
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
       "dev": true
     },
+    "node_modules/atomic-sleep": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/atomic-sleep/-/atomic-sleep-1.0.0.tgz",
+      "integrity": "sha512-kNOjDqAh7px0XWNI+4QbzoiR/nTkHAWNud2uvnJquD1/x5a7EQZMJT0AczqK0Qn67oY/TTQ1LbUKajZpp3I9tQ==",
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
+    "node_modules/avvio": {
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/avvio/-/avvio-7.2.1.tgz",
+      "integrity": "sha512-b+gox68dqD6c3S3t+bZBKN6rYbVWdwpN12sHQLFTiacDT2rcq7fm07Ww+IKt/AvAkyCIe1f5ArP1bC/vAlx97A==",
+      "dependencies": {
+        "archy": "^1.0.0",
+        "debug": "^4.0.0",
+        "fastq": "^1.6.1",
+        "queue-microtask": "^1.1.2"
+      }
+    },
     "node_modules/aws-sign2": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@@ -2322,6 +2374,14 @@
         "node": ">=0.12"
       }
     },
+    "node_modules/deepmerge": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.2.2.tgz",
+      "integrity": "sha512-FJ3UgI4gIl+PHZm53knsuSFpE+nESMr7M4v9QcgB7S63Kj/6WqMiFQJpBBYz1Pt+66bZpP3Q7Lye0Oo9MPKEdg==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/deferred-leveldown": {
       "version": "5.3.0",
       "resolved": "https://registry.npmjs.org/deferred-leveldown/-/deferred-leveldown-5.3.0.tgz",
@@ -2830,17 +2890,121 @@
         "node >=0.6.0"
       ]
     },
+    "node_modules/fast-decode-uri-component": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/fast-decode-uri-component/-/fast-decode-uri-component-1.0.1.tgz",
+      "integrity": "sha512-WKgKWg5eUxvRZGwW8FvfbaH7AXSh2cL+3j5fMGzUMCxWBJ3dV3a7Wz8y2f/uQ0e3B6WmodD3oS54jTQ9HVTIIg=="
+    },
     "node_modules/fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
-      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
-      "dev": true
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
     },
     "node_modules/fast-json-stable-stringify": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
-      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==",
-      "dev": true
+      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw=="
+    },
+    "node_modules/fast-json-stringify": {
+      "version": "2.5.4",
+      "resolved": "https://registry.npmjs.org/fast-json-stringify/-/fast-json-stringify-2.5.4.tgz",
+      "integrity": "sha512-fu74X0fRzQqADX6LFJ+5lSal1+j/QmX4oWrDnrfVAXV4qT6PwyymZmhGa/1SWgouOmf0tBJzZrHZPLymO00Lxg==",
+      "dependencies": {
+        "ajv": "^6.11.0",
+        "deepmerge": "^4.2.2",
+        "rfdc": "^1.2.0",
+        "string-similarity": "^4.0.1"
+      },
+      "engines": {
+        "node": ">= 10.0.0"
+      }
+    },
+    "node_modules/fast-redact": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/fast-redact/-/fast-redact-3.0.0.tgz",
+      "integrity": "sha512-a/S/Hp6aoIjx7EmugtzLqXmcNsyFszqbt6qQ99BdG61QjBZF6shNis0BYR6TsZOQ1twYc0FN2Xdhwwbv6+KD0w==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/fast-safe-stringify": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/fast-safe-stringify/-/fast-safe-stringify-2.0.7.tgz",
+      "integrity": "sha512-Utm6CdzT+6xsDk2m8S6uL8VHxNwI6Jub+e9NYTcAms28T84pTa25GJQV9j0CY0N1rM8hK4x6grpF2BQf+2qwVA=="
+    },
+    "node_modules/fastify": {
+      "version": "3.14.2",
+      "resolved": "https://registry.npmjs.org/fastify/-/fastify-3.14.2.tgz",
+      "integrity": "sha512-/PY//7gJnGxLQORaRHCEW148vpFKFpBIQNz1Yo/DxbHuk5EQqK2comzyE2ug8FSEldDX8nleapTshl0m78Px2w==",
+      "dependencies": {
+        "@fastify/proxy-addr": "^3.0.0",
+        "abstract-logging": "^2.0.0",
+        "ajv": "^6.12.2",
+        "avvio": "^7.1.2",
+        "fast-json-stringify": "^2.5.2",
+        "fastify-error": "^0.3.0",
+        "fastify-warning": "^0.2.0",
+        "find-my-way": "^4.0.0",
+        "flatstr": "^1.0.12",
+        "light-my-request": "^4.2.0",
+        "pino": "^6.2.1",
+        "readable-stream": "^3.4.0",
+        "rfdc": "^1.1.4",
+        "secure-json-parse": "^2.0.0",
+        "semver": "^7.3.2",
+        "tiny-lru": "^7.0.0"
+      },
+      "engines": {
+        "node": ">=10.16.0"
+      }
+    },
+    "node_modules/fastify-error": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/fastify-error/-/fastify-error-0.3.0.tgz",
+      "integrity": "sha512-Jm2LMTB5rsJqlS1+cmgqqM9tTs0UrlgYR7TvDT3ZgXsUI5ib1NjQlqZHf+tDK5tVPdFGwyq02wAoJtyYIRSiFA=="
+    },
+    "node_modules/fastify-warning": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/fastify-warning/-/fastify-warning-0.2.0.tgz",
+      "integrity": "sha512-s1EQguBw/9qtc1p/WTY4eq9WMRIACkj+HTcOIK1in4MV5aFaQC9ZCIt0dJ7pr5bIf4lPpHvAtP2ywpTNgs7hqw=="
+    },
+    "node_modules/fastify/node_modules/lru-cache": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+      "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+      "dependencies": {
+        "yallist": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/fastify/node_modules/semver": {
+      "version": "7.3.5",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",
+      "integrity": "sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==",
+      "dependencies": {
+        "lru-cache": "^6.0.0"
+      },
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/fastify/node_modules/yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+    },
+    "node_modules/fastq": {
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.11.0.tgz",
+      "integrity": "sha512-7Eczs8gIPDrVzT+EksYBcupqMyxSHXXrHOLRRxU2/DicV8789MRBRR8+Hc2uWzUupOs4YS4JzBmBxjjCVBxD/g==",
+      "dependencies": {
+        "reusify": "^1.0.4"
+      }
     },
     "node_modules/fill-range": {
       "version": "7.0.1",
@@ -2853,6 +3017,20 @@
         "node": ">=8"
       }
     },
+    "node_modules/find-my-way": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/find-my-way/-/find-my-way-4.1.0.tgz",
+      "integrity": "sha512-UBD94MdO6cBi6E97XA0fBA9nwqw+xG5x1TYIPHats33gEi/kNqy7BWHAWx8QHCQQRSU5Txc0JiD8nzba39gvMQ==",
+      "dependencies": {
+        "fast-decode-uri-component": "^1.0.1",
+        "fast-deep-equal": "^3.1.3",
+        "safe-regex2": "^2.0.0",
+        "semver-store": "^0.3.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/find-replace": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/find-replace/-/find-replace-1.0.3.tgz",
@@ -2909,6 +3087,11 @@
         "flat": "cli.js"
       }
     },
+    "node_modules/flatstr": {
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/flatstr/-/flatstr-1.0.12.tgz",
+      "integrity": "sha512-4zPxDyhCyiN2wIAtSLI6gc82/EjqZc1onI4Mz/l0pWrAlsSfYH/2ZIcU+e3oA2wDwbzIWNKwa23F8rh6+DRWkw=="
+    },
     "node_modules/follow-redirects": {
       "version": "1.13.3",
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.13.3.tgz",
@@ -12566,6 +12749,14 @@
         "fp-ts": "^1.0.0"
       }
     },
+    "node_modules/ipaddr.js": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-2.0.0.tgz",
+      "integrity": "sha512-S54H9mIj0rbxRIyrDMEuuER86LdlgUg9FSeZ8duQb6CUG2iRrA36MYVQBSprTF/ZeAwvyQ5mDGuNvIPM0BIl3w==",
+      "engines": {
+        "node": ">= 10"
+      }
+    },
     "node_modules/is-arrayish": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
@@ -12861,8 +13052,7 @@
     "node_modules/json-schema-traverse": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
-      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
-      "dev": true
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
     },
     "node_modules/json-stringify-safe": {
       "version": "5.0.1",
@@ -13041,6 +13231,18 @@
         "node": ">=6"
       }
     },
+    "node_modules/light-my-request": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/light-my-request/-/light-my-request-4.4.1.tgz",
+      "integrity": "sha512-FDNRF2mYjthIRWE7O8d/X7AzDx4otQHl4/QXbu3Q/FRwBFcgb+ZoDaUd5HwN53uQXLAiw76osN+Va0NEaOW6rQ==",
+      "dependencies": {
+        "ajv": "^6.12.2",
+        "cookie": "^0.4.0",
+        "fastify-warning": "^0.2.0",
+        "readable-stream": "^3.6.0",
+        "set-cookie-parser": "^2.4.1"
+      }
+    },
     "node_modules/load-json-file": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
@@ -13922,6 +14124,27 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/pino": {
+      "version": "6.11.3",
+      "resolved": "https://registry.npmjs.org/pino/-/pino-6.11.3.tgz",
+      "integrity": "sha512-drPtqkkSf0ufx2gaea3TryFiBHdNIdXKf5LN0hTM82SXI4xVIve2wLwNg92e1MT6m3jASLu6VO7eGY6+mmGeyw==",
+      "dependencies": {
+        "fast-redact": "^3.0.0",
+        "fast-safe-stringify": "^2.0.7",
+        "flatstr": "^1.0.12",
+        "pino-std-serializers": "^3.1.0",
+        "quick-format-unescaped": "^4.0.3",
+        "sonic-boom": "^1.0.2"
+      },
+      "bin": {
+        "pino": "bin.js"
+      }
+    },
+    "node_modules/pino-std-serializers": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/pino-std-serializers/-/pino-std-serializers-3.2.0.tgz",
+      "integrity": "sha512-EqX4pwDPrt3MuOAAUBMU0Tk5kR/YcCM5fNPEzgCO2zJ5HfX0vbiH9HbJglnyeQsN96Kznae6MWD47pZB5avTrg=="
+    },
     "node_modules/postinstall-postinstall": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/postinstall-postinstall/-/postinstall-postinstall-2.1.0.tgz",
@@ -13976,7 +14199,6 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.0.tgz",
       "integrity": "sha1-X4Y+3Im5bbCQdLrXlHvwkFbKTn0=",
-      "dev": true,
       "engines": {
         "node": ">=6"
       }
@@ -14018,6 +14240,30 @@
         "node": ">=0.4.x"
       }
     },
+    "node_modules/queue-microtask": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.3.tgz",
+      "integrity": "sha512-NuaNSa6flKT5JaSYQzJok04JzTL1CA6aGhv5rfLW3PgqA+M2ChpZQnAC8h8i4ZFkBS8X5RqkDBHA7r4hej3K9A==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
+    "node_modules/quick-format-unescaped": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/quick-format-unescaped/-/quick-format-unescaped-4.0.3.tgz",
+      "integrity": "sha512-MaL/oqh02mhEo5m5J2rwsVL23Iw2PEaGVHgT2vFt8AAsr0lfvQA5dpXo9TPu0rz7tSBdUPgkbam0j/fj5ZM8yg=="
+    },
     "node_modules/randombytes": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
@@ -14203,6 +14449,28 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/ret": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/ret/-/ret-0.2.2.tgz",
+      "integrity": "sha512-M0b3YWQs7R3Z917WRQy1HHA7Ba7D8hvZg6UE5mLykJxQVE2ju0IXbGlaHPPlkY+WN7wFP+wUMXmBFA0aV6vYGQ==",
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/reusify": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.0.4.tgz",
+      "integrity": "sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==",
+      "engines": {
+        "iojs": ">=1.0.0",
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/rfdc": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/rfdc/-/rfdc-1.3.0.tgz",
+      "integrity": "sha512-V2hovdzFbOi77/WajaSMXk2OLm+xNIeQdMMuB7icj7bk6zi2F8GGAxigcnDFpJHbNyNcgyJDiP+8nOrY5cZGrA=="
+    },
     "node_modules/rimraf": {
       "version": "2.7.1",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
@@ -14258,6 +14526,14 @@
         }
       ]
     },
+    "node_modules/safe-regex2": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/safe-regex2/-/safe-regex2-2.0.0.tgz",
+      "integrity": "sha512-PaUSFsUaNNuKwkBijoAPHAK6/eM6VirvyPWlZ7BAQy4D+hCvh4B6lIG+nPdhbFfIbP+gTGBcrdsOaUs0F+ZBOQ==",
+      "dependencies": {
+        "ret": "~0.2.0"
+      }
+    },
     "node_modules/safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -14282,6 +14558,11 @@
         "node": ">=10.0.0"
       }
     },
+    "node_modules/secure-json-parse": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/secure-json-parse/-/secure-json-parse-2.4.0.tgz",
+      "integrity": "sha512-Q5Z/97nbON5t/L/sH6mY2EacfjVGwrCcSi5D3btRO2GZ8pf1K1UN7Z9H5J57hjVU2Qzxr1xO+FmBhOvEkzCMmg=="
+    },
     "node_modules/semaphore-async-await": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/semaphore-async-await/-/semaphore-async-await-1.5.1.tgz",
@@ -14298,11 +14579,21 @@
         "semver": "bin/semver.js"
       }
     },
+    "node_modules/semver-store": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/semver-store/-/semver-store-0.3.0.tgz",
+      "integrity": "sha512-TcZvGMMy9vodEFSse30lWinkj+JgOBvPn8wRItpQRSayhc+4ssDs335uklkfvQQJgL/WvmHLVj4Ycv2s7QCQMg=="
+    },
     "node_modules/set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
     },
+    "node_modules/set-cookie-parser": {
+      "version": "2.4.8",
+      "resolved": "https://registry.npmjs.org/set-cookie-parser/-/set-cookie-parser-2.4.8.tgz",
+      "integrity": "sha512-edRH8mBKEWNVIVMKejNnuJxleqYE/ZSdcT8/Nem9/mmosx12pctd80s2Oy00KNZzrogMZS5mauK2/ymL1bvlvg=="
+    },
     "node_modules/setimmediate": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
@@ -14448,6 +14739,15 @@
         "semver": "bin/semver"
       }
     },
+    "node_modules/sonic-boom": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-1.4.1.tgz",
+      "integrity": "sha512-LRHh/A8tpW7ru89lrlkU4AszXt1dbwSjVWguGrmlxE7tawVmDBlI1PILMkXAxJTwqhgsEeTHzj36D5CmHgQmNg==",
+      "dependencies": {
+        "atomic-sleep": "^1.0.0",
+        "flatstr": "^1.0.12"
+      }
+    },
     "node_modules/source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -14577,6 +14877,11 @@
         "safe-buffer": "~5.2.0"
       }
     },
+    "node_modules/string-similarity": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/string-similarity/-/string-similarity-4.0.4.tgz",
+      "integrity": "sha512-/q/8Q4Bl4ZKAPjj8WerIBJWALKkaPRfrvhfF8k/B23i4nzrlRj2/go1m90In7nG/3XDSbOo0+pu6RvCTM9RGMQ=="
+    },
     "node_modules/string-width": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -14708,6 +15013,14 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/tiny-lru": {
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/tiny-lru/-/tiny-lru-7.0.6.tgz",
+      "integrity": "sha512-zNYO0Kvgn5rXzWpL0y3RS09sMK67eGaQj9805jlK9G6pSadfriTczzLHFXa/xcW4mIRfmlB9HyQ/+SgL0V1uow==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/tmp": {
       "version": "0.0.33",
       "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
@@ -14930,7 +15243,6 @@
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
       "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
-      "dev": true,
       "dependencies": {
         "punycode": "^2.1.0"
       }
@@ -16165,6 +16477,20 @@
         "@ethersproject/strings": "^5.1.0"
       }
     },
+    "@fastify/forwarded": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@fastify/forwarded/-/forwarded-1.0.0.tgz",
+      "integrity": "sha512-VoO+6WD0aRz8bwgJZ8pkkxjq7o/782cQ1j945HWg0obZMgIadYW3Pew0+an+k1QL7IPZHM3db5WF6OP6x4ymMA=="
+    },
+    "@fastify/proxy-addr": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@fastify/proxy-addr/-/proxy-addr-3.0.0.tgz",
+      "integrity": "sha512-ty7wnUd/GeSqKTC2Jozsl5xGbnxUnEFC0On2/zPv/8ixywipQmVZwuWvNGnBoitJ2wixwVqofwXNua8j6Y62lQ==",
+      "requires": {
+        "@fastify/forwarded": "^1.0.0",
+        "ipaddr.js": "^2.0.0"
+      }
+    },
     "@nomiclabs/hardhat-ethers": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/@nomiclabs/hardhat-ethers/-/hardhat-ethers-2.0.2.tgz",
@@ -16182,6 +16508,11 @@
         "@types/web3": "1.0.19"
       }
     },
+    "@openzeppelin/contracts": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.0.0.tgz",
+      "integrity": "sha512-UcIJl/vUVjTr3H1yYXZi7Sr2PlXzBEHVUJKOUlVyzyy0FI8oQCCy0Wx+BuK/fojdnmLeMvUk4KUvhKUybP+C7Q=="
+    },
     "@resolver-engine/core": {
       "version": "0.3.3",
       "resolved": "https://registry.npmjs.org/@resolver-engine/core/-/core-0.3.3.tgz",
@@ -16524,6 +16855,11 @@
         "xtend": "~4.0.0"
       }
     },
+    "abstract-logging": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/abstract-logging/-/abstract-logging-2.0.1.tgz",
+      "integrity": "sha512-2BjRTZxTPvheOvGbBslFSYOUkr+SjPtOnrLP33f+VIWLzezQpZcqVg7ja3L4dBXmzzgwT+a029jRx5PCi3JuiA=="
+    },
     "adm-zip": {
       "version": "0.4.16",
       "resolved": "https://registry.npmjs.org/adm-zip/-/adm-zip-0.4.16.tgz",
@@ -16547,7 +16883,6 @@
       "version": "6.12.6",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
       "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
-      "dev": true,
       "requires": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -16590,6 +16925,11 @@
         "picomatch": "^2.0.4"
       }
     },
+    "archy": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
+      "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA="
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -16650,6 +16990,22 @@
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
       "dev": true
     },
+    "atomic-sleep": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/atomic-sleep/-/atomic-sleep-1.0.0.tgz",
+      "integrity": "sha512-kNOjDqAh7px0XWNI+4QbzoiR/nTkHAWNud2uvnJquD1/x5a7EQZMJT0AczqK0Qn67oY/TTQ1LbUKajZpp3I9tQ=="
+    },
+    "avvio": {
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/avvio/-/avvio-7.2.1.tgz",
+      "integrity": "sha512-b+gox68dqD6c3S3t+bZBKN6rYbVWdwpN12sHQLFTiacDT2rcq7fm07Ww+IKt/AvAkyCIe1f5ArP1bC/vAlx97A==",
+      "requires": {
+        "archy": "^1.0.0",
+        "debug": "^4.0.0",
+        "fastq": "^1.6.1",
+        "queue-microtask": "^1.1.2"
+      }
+    },
     "aws-sign2": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@@ -17107,6 +17463,11 @@
         "type-detect": "^4.0.0"
       }
     },
+    "deepmerge": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.2.2.tgz",
+      "integrity": "sha512-FJ3UgI4gIl+PHZm53knsuSFpE+nESMr7M4v9QcgB7S63Kj/6WqMiFQJpBBYz1Pt+66bZpP3Q7Lye0Oo9MPKEdg=="
+    },
     "deferred-leveldown": {
       "version": "5.3.0",
       "resolved": "https://registry.npmjs.org/deferred-leveldown/-/deferred-leveldown-5.3.0.tgz",
@@ -17535,17 +17896,105 @@
       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
       "dev": true
     },
+    "fast-decode-uri-component": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/fast-decode-uri-component/-/fast-decode-uri-component-1.0.1.tgz",
+      "integrity": "sha512-WKgKWg5eUxvRZGwW8FvfbaH7AXSh2cL+3j5fMGzUMCxWBJ3dV3a7Wz8y2f/uQ0e3B6WmodD3oS54jTQ9HVTIIg=="
+    },
     "fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
-      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
-      "dev": true
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
     },
     "fast-json-stable-stringify": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
-      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==",
-      "dev": true
+      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw=="
+    },
+    "fast-json-stringify": {
+      "version": "2.5.4",
+      "resolved": "https://registry.npmjs.org/fast-json-stringify/-/fast-json-stringify-2.5.4.tgz",
+      "integrity": "sha512-fu74X0fRzQqADX6LFJ+5lSal1+j/QmX4oWrDnrfVAXV4qT6PwyymZmhGa/1SWgouOmf0tBJzZrHZPLymO00Lxg==",
+      "requires": {
+        "ajv": "^6.11.0",
+        "deepmerge": "^4.2.2",
+        "rfdc": "^1.2.0",
+        "string-similarity": "^4.0.1"
+      }
+    },
+    "fast-redact": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/fast-redact/-/fast-redact-3.0.0.tgz",
+      "integrity": "sha512-a/S/Hp6aoIjx7EmugtzLqXmcNsyFszqbt6qQ99BdG61QjBZF6shNis0BYR6TsZOQ1twYc0FN2Xdhwwbv6+KD0w=="
+    },
+    "fast-safe-stringify": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/fast-safe-stringify/-/fast-safe-stringify-2.0.7.tgz",
+      "integrity": "sha512-Utm6CdzT+6xsDk2m8S6uL8VHxNwI6Jub+e9NYTcAms28T84pTa25GJQV9j0CY0N1rM8hK4x6grpF2BQf+2qwVA=="
+    },
+    "fastify": {
+      "version": "3.14.2",
+      "resolved": "https://registry.npmjs.org/fastify/-/fastify-3.14.2.tgz",
+      "integrity": "sha512-/PY//7gJnGxLQORaRHCEW148vpFKFpBIQNz1Yo/DxbHuk5EQqK2comzyE2ug8FSEldDX8nleapTshl0m78Px2w==",
+      "requires": {
+        "@fastify/proxy-addr": "^3.0.0",
+        "abstract-logging": "^2.0.0",
+        "ajv": "^6.12.2",
+        "avvio": "^7.1.2",
+        "fast-json-stringify": "^2.5.2",
+        "fastify-error": "^0.3.0",
+        "fastify-warning": "^0.2.0",
+        "find-my-way": "^4.0.0",
+        "flatstr": "^1.0.12",
+        "light-my-request": "^4.2.0",
+        "pino": "^6.2.1",
+        "readable-stream": "^3.4.0",
+        "rfdc": "^1.1.4",
+        "secure-json-parse": "^2.0.0",
+        "semver": "^7.3.2",
+        "tiny-lru": "^7.0.0"
+      },
+      "dependencies": {
+        "lru-cache": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+          "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+          "requires": {
+            "yallist": "^4.0.0"
+          }
+        },
+        "semver": {
+          "version": "7.3.5",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",
+          "integrity": "sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==",
+          "requires": {
+            "lru-cache": "^6.0.0"
+          }
+        },
+        "yallist": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+          "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+        }
+      }
+    },
+    "fastify-error": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/fastify-error/-/fastify-error-0.3.0.tgz",
+      "integrity": "sha512-Jm2LMTB5rsJqlS1+cmgqqM9tTs0UrlgYR7TvDT3ZgXsUI5ib1NjQlqZHf+tDK5tVPdFGwyq02wAoJtyYIRSiFA=="
+    },
+    "fastify-warning": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/fastify-warning/-/fastify-warning-0.2.0.tgz",
+      "integrity": "sha512-s1EQguBw/9qtc1p/WTY4eq9WMRIACkj+HTcOIK1in4MV5aFaQC9ZCIt0dJ7pr5bIf4lPpHvAtP2ywpTNgs7hqw=="
+    },
+    "fastq": {
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.11.0.tgz",
+      "integrity": "sha512-7Eczs8gIPDrVzT+EksYBcupqMyxSHXXrHOLRRxU2/DicV8789MRBRR8+Hc2uWzUupOs4YS4JzBmBxjjCVBxD/g==",
+      "requires": {
+        "reusify": "^1.0.4"
+      }
     },
     "fill-range": {
       "version": "7.0.1",
@@ -17555,6 +18004,17 @@
         "to-regex-range": "^5.0.1"
       }
     },
+    "find-my-way": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/find-my-way/-/find-my-way-4.1.0.tgz",
+      "integrity": "sha512-UBD94MdO6cBi6E97XA0fBA9nwqw+xG5x1TYIPHats33gEi/kNqy7BWHAWx8QHCQQRSU5Txc0JiD8nzba39gvMQ==",
+      "requires": {
+        "fast-decode-uri-component": "^1.0.1",
+        "fast-deep-equal": "^3.1.3",
+        "safe-regex2": "^2.0.0",
+        "semver-store": "^0.3.0"
+      }
+    },
     "find-replace": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/find-replace/-/find-replace-1.0.3.tgz",
@@ -17601,6 +18061,11 @@
         "is-buffer": "~2.0.3"
       }
     },
+    "flatstr": {
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/flatstr/-/flatstr-1.0.12.tgz",
+      "integrity": "sha512-4zPxDyhCyiN2wIAtSLI6gc82/EjqZc1onI4Mz/l0pWrAlsSfYH/2ZIcU+e3oA2wDwbzIWNKwa23F8rh6+DRWkw=="
+    },
     "follow-redirects": {
       "version": "1.13.3",
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.13.3.tgz",
@@ -25012,6 +25477,11 @@
         "fp-ts": "^1.0.0"
       }
     },
+    "ipaddr.js": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-2.0.0.tgz",
+      "integrity": "sha512-S54H9mIj0rbxRIyrDMEuuER86LdlgUg9FSeZ8duQb6CUG2iRrA36MYVQBSprTF/ZeAwvyQ5mDGuNvIPM0BIl3w=="
+    },
     "is-arrayish": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
@@ -25202,8 +25672,7 @@
     "json-schema-traverse": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
-      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
-      "dev": true
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
     },
     "json-stringify-safe": {
       "version": "5.0.1",
@@ -25345,6 +25814,18 @@
         "xtend": "~4.0.0"
       }
     },
+    "light-my-request": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/light-my-request/-/light-my-request-4.4.1.tgz",
+      "integrity": "sha512-FDNRF2mYjthIRWE7O8d/X7AzDx4otQHl4/QXbu3Q/FRwBFcgb+ZoDaUd5HwN53uQXLAiw76osN+Va0NEaOW6rQ==",
+      "requires": {
+        "ajv": "^6.12.2",
+        "cookie": "^0.4.0",
+        "fastify-warning": "^0.2.0",
+        "readable-stream": "^3.6.0",
+        "set-cookie-parser": "^2.4.1"
+      }
+    },
     "load-json-file": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
@@ -26027,6 +26508,24 @@
         "pinkie": "^2.0.0"
       }
     },
+    "pino": {
+      "version": "6.11.3",
+      "resolved": "https://registry.npmjs.org/pino/-/pino-6.11.3.tgz",
+      "integrity": "sha512-drPtqkkSf0ufx2gaea3TryFiBHdNIdXKf5LN0hTM82SXI4xVIve2wLwNg92e1MT6m3jASLu6VO7eGY6+mmGeyw==",
+      "requires": {
+        "fast-redact": "^3.0.0",
+        "fast-safe-stringify": "^2.0.7",
+        "flatstr": "^1.0.12",
+        "pino-std-serializers": "^3.1.0",
+        "quick-format-unescaped": "^4.0.3",
+        "sonic-boom": "^1.0.2"
+      }
+    },
+    "pino-std-serializers": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/pino-std-serializers/-/pino-std-serializers-3.2.0.tgz",
+      "integrity": "sha512-EqX4pwDPrt3MuOAAUBMU0Tk5kR/YcCM5fNPEzgCO2zJ5HfX0vbiH9HbJglnyeQsN96Kznae6MWD47pZB5avTrg=="
+    },
     "postinstall-postinstall": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/postinstall-postinstall/-/postinstall-postinstall-2.1.0.tgz",
@@ -26064,8 +26563,7 @@
     "punycode": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.0.tgz",
-      "integrity": "sha1-X4Y+3Im5bbCQdLrXlHvwkFbKTn0=",
-      "dev": true
+      "integrity": "sha1-X4Y+3Im5bbCQdLrXlHvwkFbKTn0="
     },
     "qs": {
       "version": "6.10.1",
@@ -26092,6 +26590,16 @@
       "integrity": "sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA=",
       "dev": true
     },
+    "queue-microtask": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.3.tgz",
+      "integrity": "sha512-NuaNSa6flKT5JaSYQzJok04JzTL1CA6aGhv5rfLW3PgqA+M2ChpZQnAC8h8i4ZFkBS8X5RqkDBHA7r4hej3K9A=="
+    },
+    "quick-format-unescaped": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/quick-format-unescaped/-/quick-format-unescaped-4.0.3.tgz",
+      "integrity": "sha512-MaL/oqh02mhEo5m5J2rwsVL23Iw2PEaGVHgT2vFt8AAsr0lfvQA5dpXo9TPu0rz7tSBdUPgkbam0j/fj5ZM8yg=="
+    },
     "randombytes": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
@@ -26241,6 +26749,21 @@
         "path-parse": "^1.0.6"
       }
     },
+    "ret": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/ret/-/ret-0.2.2.tgz",
+      "integrity": "sha512-M0b3YWQs7R3Z917WRQy1HHA7Ba7D8hvZg6UE5mLykJxQVE2ju0IXbGlaHPPlkY+WN7wFP+wUMXmBFA0aV6vYGQ=="
+    },
+    "reusify": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.0.4.tgz",
+      "integrity": "sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw=="
+    },
+    "rfdc": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/rfdc/-/rfdc-1.3.0.tgz",
+      "integrity": "sha512-V2hovdzFbOi77/WajaSMXk2OLm+xNIeQdMMuB7icj7bk6zi2F8GGAxigcnDFpJHbNyNcgyJDiP+8nOrY5cZGrA=="
+    },
     "rimraf": {
       "version": "2.7.1",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
@@ -26276,6 +26799,14 @@
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
       "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
     },
+    "safe-regex2": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/safe-regex2/-/safe-regex2-2.0.0.tgz",
+      "integrity": "sha512-PaUSFsUaNNuKwkBijoAPHAK6/eM6VirvyPWlZ7BAQy4D+hCvh4B6lIG+nPdhbFfIbP+gTGBcrdsOaUs0F+ZBOQ==",
+      "requires": {
+        "ret": "~0.2.0"
+      }
+    },
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -26296,6 +26827,11 @@
         "node-gyp-build": "^4.2.0"
       }
     },
+    "secure-json-parse": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/secure-json-parse/-/secure-json-parse-2.4.0.tgz",
+      "integrity": "sha512-Q5Z/97nbON5t/L/sH6mY2EacfjVGwrCcSi5D3btRO2GZ8pf1K1UN7Z9H5J57hjVU2Qzxr1xO+FmBhOvEkzCMmg=="
+    },
     "semaphore-async-await": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/semaphore-async-await/-/semaphore-async-await-1.5.1.tgz",
@@ -26306,11 +26842,21 @@
       "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
       "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
     },
+    "semver-store": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/semver-store/-/semver-store-0.3.0.tgz",
+      "integrity": "sha512-TcZvGMMy9vodEFSse30lWinkj+JgOBvPn8wRItpQRSayhc+4ssDs335uklkfvQQJgL/WvmHLVj4Ycv2s7QCQMg=="
+    },
     "set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
     },
+    "set-cookie-parser": {
+      "version": "2.4.8",
+      "resolved": "https://registry.npmjs.org/set-cookie-parser/-/set-cookie-parser-2.4.8.tgz",
+      "integrity": "sha512-edRH8mBKEWNVIVMKejNnuJxleqYE/ZSdcT8/Nem9/mmosx12pctd80s2Oy00KNZzrogMZS5mauK2/ymL1bvlvg=="
+    },
     "setimmediate": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
@@ -26420,6 +26966,15 @@
         }
       }
     },
+    "sonic-boom": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-1.4.1.tgz",
+      "integrity": "sha512-LRHh/A8tpW7ru89lrlkU4AszXt1dbwSjVWguGrmlxE7tawVmDBlI1PILMkXAxJTwqhgsEeTHzj36D5CmHgQmNg==",
+      "requires": {
+        "atomic-sleep": "^1.0.0",
+        "flatstr": "^1.0.12"
+      }
+    },
     "source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -26530,6 +27085,11 @@
         "safe-buffer": "~5.2.0"
       }
     },
+    "string-similarity": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/string-similarity/-/string-similarity-4.0.4.tgz",
+      "integrity": "sha512-/q/8Q4Bl4ZKAPjj8WerIBJWALKkaPRfrvhfF8k/B23i4nzrlRj2/go1m90In7nG/3XDSbOo0+pu6RvCTM9RGMQ=="
+    },
     "string-width": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -26628,6 +27188,11 @@
       "integrity": "sha1-8y6srFoXW+ol1/q1Zas+2HQe9W8=",
       "dev": true
     },
+    "tiny-lru": {
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/tiny-lru/-/tiny-lru-7.0.6.tgz",
+      "integrity": "sha512-zNYO0Kvgn5rXzWpL0y3RS09sMK67eGaQj9805jlK9G6pSadfriTczzLHFXa/xcW4mIRfmlB9HyQ/+SgL0V1uow=="
+    },
     "tmp": {
       "version": "0.0.33",
       "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
@@ -26803,7 +27368,6 @@
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
       "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
-      "dev": true,
       "requires": {
         "punycode": "^2.1.0"
       }
diff --git a/test/contract/package.json b/test/contract/package.json
index 28f1d8fe..f2c759a8 100644
--- a/test/contract/package.json
+++ b/test/contract/package.json
@@ -3,6 +3,8 @@
   "version": "1.0.0",
   "main": "index.js",
   "scripts": {
+    "compile": "npx hardhat compile",
+    "start": "HARDHAT_NETWORK=docker node src/index.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "keywords": [],
@@ -10,6 +12,8 @@
   "license": "ISC",
   "description": "",
   "dependencies": {
+    "@openzeppelin/contracts": "^4.0.0",
+    "fastify": "^3.14.2",
     "hardhat": "^2.2.0"
   },
   "devDependencies": {
diff --git a/test/contract/scripts/deploy.js b/test/contract/scripts/deploy.js
new file mode 100644
index 00000000..b83c0103
--- /dev/null
+++ b/test/contract/scripts/deploy.js
@@ -0,0 +1,18 @@
+const hre = require("hardhat");
+
+async function main() {
+    // await hre.run('compile');
+    // We get the contract to deploy
+    const GLDToken = await hre.ethers.getContractFactory("GLDToken");
+    const token = await GLDToken.deploy();
+    await token.deployed();
+    console.log("GLDToken deployed to:", token.address, token.deployTransaction.hash);
+}
+// We recommend this pattern to be able to use async/await everywhere
+// and properly handle errors.
+main()
+    .then(() => process.exit(0))
+    .catch(error => {
+        console.error(error);
+        process.exit(1);
+    });
\ No newline at end of file
diff --git a/test/contract/scripts/sample-script.js b/test/contract/scripts/sample-script.js
index 127c73a6..5c3fbf0e 100644
--- a/test/contract/scripts/sample-script.js
+++ b/test/contract/scripts/sample-script.js
@@ -20,6 +20,10 @@ async function main() {
   await greeter.deployed();
 
   console.log("Greeter deployed to:", greeter.address, "; tx hash: ", greeter.deployTransaction.hash);
+
+  const result = await greeter.setGreeting("Hello 123!");
+
+  console.log("Greeter updated", "; tx hash: ", result.hash, "; block hash: ", result.blockHash);
 }
 
 // We recommend this pattern to be able to use async/await everywhere
diff --git a/test/contract/src/index.js b/test/contract/src/index.js
new file mode 100644
index 00000000..9fede5c4
--- /dev/null
+++ b/test/contract/src/index.js
@@ -0,0 +1,47 @@
+const fastify = require('fastify')({ logger: true });
+const hre = require("hardhat");
+
+// readiness check
+fastify.get('/v1/healthz', async (req, reply) => {
+    reply
+        .code(200)
+        .header('Content-Type', 'application/json; charset=utf-8')
+        .send({ success: true })
+});
+
+fastify.get('/v1/deployContract', async (req, reply) => {
+    const GLDToken = await hre.ethers.getContractFactory("GLDToken");
+    const token = await GLDToken.deploy();
+    await token.deployed();
+
+    return {
+        address: token.address,
+        txHash: token.deployTransaction.hash,
+        blockNumber: token.deployTransaction.blockNumber,
+        blockHash: token.deployTransaction.blockHash,
+    }
+});
+
+// fastify.get('/v1/deployContract', async (req, reply) => {
+//     const GLDToken = await hre.ethers.getContractFactory("GLDToken");
+//     const token = await GLDToken.deploy();
+//     await token.deployed();
+//     console.log("GLDToken deployed to:", token.address, token.deployTransaction);
+//
+//     return {
+//         address: token.address,
+//         txHash: token.deployTransaction.hash,
+//         blockNumber: token.deployTransaction.blockNumber,
+//     }
+// });
+
+async function main() {
+    try {
+        await fastify.listen(3000, '0.0.0.0');
+    } catch (err) {
+        fastify.log.error(err);
+        process.exit(1);
+    }
+}
+
+main();
\ No newline at end of file
diff --git a/test/helper.go b/test/helper.go
new file mode 100644
index 00000000..ab72b1bf
--- /dev/null
+++ b/test/helper.go
@@ -0,0 +1,31 @@
+package integration
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+type ContractDeployed struct {
+	Address         string
+	TransactionHash string
+	BlockNumber     int
+	BlockHash       string
+}
+
+func DeployContract() (*ContractDeployed, error) {
+	res, err := http.Get("http://localhost:3000/v1/deployContract")
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	var contract ContractDeployed
+
+	decoder := json.NewDecoder(res.Body)
+	err = decoder.Decode(&contract)
+	if err != nil {
+		return nil, err
+	}
+
+	return &contract, nil
+}
diff --git a/test/integration_test.go b/test/integration_test.go
index 445fa367..a319ed0c 100644
--- a/test/integration_test.go
+++ b/test/integration_test.go
@@ -2,10 +2,15 @@ package integration_test
 
 import (
 	"context"
-	"math/big"
-
+	"fmt"
+	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/rlp"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
+	integration "github.com/vulcanize/ipld-eth-server/test"
+	"math/big"
 
 	"github.com/ethereum/go-ethereum/ethclient"
 )
@@ -19,47 +24,146 @@ var _ = Describe("Integration test", func() {
 	ipldClient, err := ethclient.Dial(ipldEthHttpPath)
 	Expect(err).ToNot(HaveOccurred())
 
+	ctx := context.Background()
+
+	var contract *integration.ContractDeployed
+	var contractErr error
+
 	Describe("get Block", func() {
-		ctx := context.Background()
+		contract, contractErr = integration.DeployContract()
 
-		gethBlock, err := gethClient.BlockByNumber(ctx, big.NewInt(1))
-		Expect(err).ToNot(HaveOccurred())
-		Expect(gethBlock).ToNot(BeEmpty())
+		It("get block by number", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
 
-		ipldBlock, err := ipldClient.BlockByNumber(ctx, big.NewInt(1))
-		Expect(err).ToNot(HaveOccurred())
-		Expect(ipldBlock).ToNot(BeEmpty())
+			blockNum := contract.BlockNumber
+
+			gethBlock, err := gethClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldBlock, err := ipldClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
+			Expect(err).ToNot(HaveOccurred())
+
+			// check headers are equals
+			Expect(gethBlock.Header()).To(Equal(ipldBlock.Header()))
+
+			gethTxs := gethBlock.Transactions()
+			ipldTxs := ipldBlock.Transactions()
+
+			Expect(gethTxs.Len()).To(Equal(ipldTxs.Len()))
+			Expect(types.TxDifference(gethTxs, ipldTxs).Len()).To(Equal(0))
+		})
+
+		It("get block by hash", func() {
+
+			gethBlock, err := gethClient.BlockByHash(ctx, common.HexToHash(contract.BlockHash))
+			fmt.Printf("contract info: %+v", contract)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldBlock, err := ipldClient.BlockByHash(ctx, common.HexToHash(contract.BlockHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			// check headers are equals
+			Expect(gethBlock).To(Equal(ipldBlock))
+			Expect(gethBlock.Header()).To(Equal(ipldBlock.Header()))
+
+			gethTxs := gethBlock.Transactions()
+			ipldTxs := ipldBlock.Transactions()
+
+			Expect(gethTxs.Len()).To(Equal(ipldTxs.Len()))
+			Expect(types.TxDifference(gethTxs, ipldTxs).Len()).To(Equal(0))
+		})
+	})
+
+	Describe("Transaction", func() {
+		txHash := "0xdb3d5ef2d4e3260e1b8c1bcbb09b2d8fe7a6423196a20b8a3fa6c09dd9d79073"
+		blockHash := "0xb821ca79bd37174368073e469db92ead75148a95f7c24c49f2435fb7c7797588"
+
+		It("Get tx by hash", func() {
+			gethTx, _, err := gethClient.TransactionByHash(ctx, common.HexToHash(txHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldTx, _, err := ipldClient.TransactionByHash(ctx, common.HexToHash(txHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethTx).To(Equal(ipldTx))
+
+			Expect(gethTx.Hash()).To(Equal(ipldTx.Hash()))
+		})
+
+		It("Get tx by block hash and index", func() {
+			gethTx, err := gethClient.TransactionInBlock(ctx, common.HexToHash(blockHash), 0)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldTx, err := ipldClient.TransactionInBlock(ctx, common.HexToHash(blockHash), 0)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethTx).To(Equal(ipldTx))
+
+			Expect(gethTx.Hash()).To(Equal(ipldTx.Hash()))
+		})
 
 	})
 
-})
+	Describe("Receipt", func() {
+		txHash := "0xdb3d5ef2d4e3260e1b8c1bcbb09b2d8fe7a6423196a20b8a3fa6c09dd9d79073"
 
-//func Test1(t *testing.T) {
-//	gethHttpPath := "http://127.0.0.1:8545"
-//	gethClient, err := ethclient.Dial(gethHttpPath)
-//	if err != nil {
-//		t.Fatal(err)
-//	}
-//
-//	ipldEthHttpPath := "http://127.0.0.1:8081"
-//	ipldClient, err := ethclient.Dial(ipldEthHttpPath)
-//	if err != nil {
-//		t.Fatal(err)
-//	}
-//
-//	ctx := context.Background()
-//
-//	gethBlock, err := gethClient.BlockByNumber(ctx, big.NewInt(1))
-//	if err != nil {
-//		t.Fatal(err)
-//	}
-//	ipldBlock, err := ipldClient.BlockByNumber(ctx, big.NewInt(1))
-//	if err != nil {
-//		t.Fatal(err)
-//	}
-//
-//	t.Logf("Geth Block header: %+v", gethBlock.Header())
-//	t.Logf("IPLD Block header: %+v", ipldBlock.Header())
-//
-//	t.Log("asdasd")
-//}
+		It("Get tx receipt", func() {
+			gethReceipt, err := gethClient.TransactionReceipt(ctx, common.HexToHash(txHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldReceipt, err := ipldClient.TransactionReceipt(ctx, common.HexToHash(txHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethReceipt).To(Equal(ipldReceipt))
+
+			rlpGeth, err := rlp.EncodeToBytes(gethReceipt)
+			Expect(err).ToNot(HaveOccurred())
+
+			rlpIpld, err := rlp.EncodeToBytes(ipldReceipt)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(rlpGeth).To(Equal(rlpIpld))
+		})
+	})
+
+	Describe("FilterLogs", func() {
+		//txHash := "0xdb3d5ef2d4e3260e1b8c1bcbb09b2d8fe7a6423196a20b8a3fa6c09dd9d79073"
+		//blockHash := "0xb821ca79bd37174368073e469db92ead75148a95f7c24c49f2435fb7c7797588"
+		blockHash := common.HexToHash(
+			"0xb821ca79bd37174368073e469db92ead75148a95f7c24c49f2435fb7c7797588",
+		)
+
+		It("with blockhash", func() {
+			filterQuery := ethereum.FilterQuery{
+				//Addresses: addresses,
+				BlockHash: &blockHash,
+				Topics:    [][]common.Hash{},
+			}
+
+			gethLogs, err := gethClient.FilterLogs(ctx, filterQuery)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldLogs, err := ipldClient.FilterLogs(ctx, filterQuery)
+			Expect(err).ToNot(HaveOccurred())
+
+			// not empty list
+			Expect(gethLogs).ToNot(BeEmpty())
+
+			Expect(len(gethLogs)).To(Equal(len(ipldLogs)))
+			Expect(gethLogs).To(Equal(ipldLogs))
+		})
+	})
+
+	Describe("CodeAt", func() {
+		contractAddress := "0xdEE08501Ef5b68339ca920227d6520A10B72b65b"
+		It("Get code of deployed contract without block number", func() {
+			gethCode, err := gethClient.CodeAt(ctx, common.HexToAddress(contractAddress), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(contractAddress), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethCode).To(Equal(ipldCode))
+		})
+	})
+})