diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 032fc0218..aa4c572c3 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -13,18 +13,16 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
-    strategy:
-      matrix:
-        node-version: [16.x]
-        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
-
     steps:
       - uses: actions/checkout@v2
-      - name: Use Node.js ${{ matrix.node-version }}
+
+      # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+      - name: Use Node.js v16
         uses: actions/setup-node@v2
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version: "16.x"
           cache: "npm"
+
       - run: npm ci
       - run: npm run build --if-present
       - run: npm run generate-types
diff --git a/.github/workflows/create-github-release.yml b/.github/workflows/create-github-release.yml
index f5c3036d7..28e38022f 100644
--- a/.github/workflows/create-github-release.yml
+++ b/.github/workflows/create-github-release.yml
@@ -18,11 +18,11 @@ jobs:
         uses: EndBug/version-check@v1
         id: check
 
-      - name: Use Node.js '14.16.0'
+      - name: Use Node.js v16
         if: steps.check.outputs.changed == 'true'
         uses: actions/setup-node@v2
         with:
-          node-version: "14.16.0"
+          node-version: "16.x"
           registry-url: "https://registry.npmjs.org"
           scope: "@lukso"
           cache: "npm"
diff --git a/.github/workflows/publish-android-artifacts.yml b/.github/workflows/publish-android-artifacts.yml
index c5221e057..04726eea6 100644
--- a/.github/workflows/publish-android-artifacts.yml
+++ b/.github/workflows/publish-android-artifacts.yml
@@ -18,11 +18,11 @@ jobs:
         uses: EndBug/version-check@v1
         id: check
 
-      - name: Use Node.js '14.16.0'
+      - name: Use Node.js v16
         if: steps.check.outputs.changed == 'true'
         uses: actions/setup-node@v2
         with:
-          node-version: "14.16.0"
+          node-version: "16.x"
           cache: "npm"
 
       - if: steps.check.outputs.changed == 'true'
diff --git a/.github/workflows/publish-ios-artifacts.yml b/.github/workflows/publish-ios-artifacts.yml
index 81c3f9e34..c2e9c72be 100644
--- a/.github/workflows/publish-ios-artifacts.yml
+++ b/.github/workflows/publish-ios-artifacts.yml
@@ -18,11 +18,11 @@ jobs:
         uses: EndBug/version-check@v1
         id: check
 
-      - name: Use Node.js '14.16.0'
+      - name: Use Node.js v16
         if: steps.check.outputs.changed == 'true'
         uses: actions/setup-node@v2
         with:
-          node-version: "14.16.0"
+          node-version: "16.x"
           cache: "npm"
 
       - if: steps.check.outputs.changed == 'true'
diff --git a/.github/workflows/publish-npm-artifact.yml b/.github/workflows/publish-npm-artifact.yml
index 6afd61a8c..a5ed795fe 100644
--- a/.github/workflows/publish-npm-artifact.yml
+++ b/.github/workflows/publish-npm-artifact.yml
@@ -16,11 +16,11 @@ jobs:
         uses: EndBug/version-check@v1
         id: check
 
-      - name: Use Node.js '14.16.0'
+      - name: Use Node.js v16
         if: steps.check.outputs.changed == 'true'
         uses: actions/setup-node@v2
         with:
-          node-version: "14.16.0"
+          node-version: "16.x"
           registry-url: "https://registry.npmjs.org"
           scope: "@lukso"
           cache: "npm"
diff --git a/.github/workflows/solhint.yml b/.github/workflows/solhint.yml
index 61062df37..416a470ae 100644
--- a/.github/workflows/solhint.yml
+++ b/.github/workflows/solhint.yml
@@ -10,15 +10,13 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Use Node.js '14.16.0'
+      - name: Use Node.js v16
         uses: actions/setup-node@v2
         with:
-          node-version: "14.16.0"
+          node-version: "16.x"
           cache: "npm"
 
       - run: npm ci
 
-      - name: solhint
-        run: |
-          npm install -g solhint
-          solhint 'contracts/**/*.sol'
+      - name: Run Solhint Linter on Smart Contracts
+        run: npm run linter
diff --git a/package-lock.json b/package-lock.json
index 37906b902..b92111a29 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9107,6 +9107,12 @@
         }
       }
     },
+    "acorn-jsx": {
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.3.2.tgz",
+      "integrity": "sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==",
+      "dev": true
+    },
     "acorn-walk": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-7.2.0.tgz",
@@ -9282,11 +9288,16 @@
         "color-convert": "^1.9.0"
       }
     },
+    "antlr4": {
+      "version": "4.7.1",
+      "resolved": "https://registry.npmjs.org/antlr4/-/antlr4-4.7.1.tgz",
+      "integrity": "sha512-haHyTW7Y9joE5MVs37P2lNYfU2RWBLfcRDD8OWldcdZm5TiCE91B5Xl1oWSwiDUSd4rlExpt2pu1fksYQjRBYQ==",
+      "dev": true
+    },
     "antlr4ts": {
       "version": "0.5.0-alpha.4",
       "resolved": "https://registry.npmjs.org/antlr4ts/-/antlr4ts-0.5.0-alpha.4.tgz",
-      "integrity": "sha512-WPQDt1B74OfPv/IMS2ekXAKkTZIHl88uMetg6q3OTqgFxZ/dxDXI0EWLyZid/1Pe6hTftyg5N7gel5wNAGxXyQ==",
-      "optional": true
+      "integrity": "sha512-WPQDt1B74OfPv/IMS2ekXAKkTZIHl88uMetg6q3OTqgFxZ/dxDXI0EWLyZid/1Pe6hTftyg5N7gel5wNAGxXyQ=="
     },
     "any-signal": {
       "version": "2.1.2",
@@ -9886,6 +9897,18 @@
       "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
     },
+    "ast-parents": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/ast-parents/-/ast-parents-0.0.1.tgz",
+      "integrity": "sha1-UI/Q8F0MSHddnszaLhdEIyYejdM=",
+      "dev": true
+    },
+    "astral-regex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
+      "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
+      "dev": true
+    },
     "async": {
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
@@ -11006,6 +11029,32 @@
         "get-intrinsic": "^1.0.2"
       }
     },
+    "caller-callsite": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/caller-callsite/-/caller-callsite-2.0.0.tgz",
+      "integrity": "sha1-hH4PzgoiN1CpoCfFSzNzGtMVQTQ=",
+      "dev": true,
+      "requires": {
+        "callsites": "^2.0.0"
+      },
+      "dependencies": {
+        "callsites": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz",
+          "integrity": "sha1-BuuE8A7qQT2oav/vrL/7Ngk7PFA=",
+          "dev": true
+        }
+      }
+    },
+    "caller-path": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/caller-path/-/caller-path-2.0.0.tgz",
+      "integrity": "sha1-Ro+DBE42mrIBD6xfBs7uFbsssfQ=",
+      "dev": true,
+      "requires": {
+        "caller-callsite": "^2.0.0"
+      }
+    },
     "callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -11165,6 +11214,12 @@
       "integrity": "sha512-kWWXztvZ5SBQV+eRgKFeh8q5sLuZY2+8WUIzlxWVTg+oGwY14qylx1KbKzHd8P6ZYkAg0xyIDU9JMHhyJMZ1jw==",
       "dev": true
     },
+    "chardet": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
+      "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
+      "dev": true
+    },
     "charenc": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/charenc/-/charenc-0.0.2.tgz",
@@ -11326,7 +11381,6 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-2.1.0.tgz",
       "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
-      "optional": true,
       "requires": {
         "restore-cursor": "^2.0.0"
       }
@@ -11348,6 +11402,12 @@
         "string-width": "^2.1.1"
       }
     },
+    "cli-width": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.1.tgz",
+      "integrity": "sha512-GRMWDxpOB6Dgk2E5Uo+3eEBvtOOlimMmpbFiKuLFnQzYDavtLFY3K5ona41jgN/WdRZtG7utuVSVTL4HbZHGkw==",
+      "dev": true
+    },
     "cliui": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
@@ -12176,6 +12236,30 @@
         "vary": "^1"
       }
     },
+    "cosmiconfig": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-5.2.1.tgz",
+      "integrity": "sha512-H65gsXo1SKjf8zmrJ67eJk8aIRKV5ff2D4uKZIBZShbhGSpEmsQOPW/SKMKYhSTrqR7ufy6RP69rPogdaPh/kA==",
+      "dev": true,
+      "requires": {
+        "import-fresh": "^2.0.0",
+        "is-directory": "^0.3.1",
+        "js-yaml": "^3.13.1",
+        "parse-json": "^4.0.0"
+      },
+      "dependencies": {
+        "parse-json": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
+          "integrity": "sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=",
+          "dev": true,
+          "requires": {
+            "error-ex": "^1.3.1",
+            "json-parse-better-errors": "^1.0.1"
+          }
+        }
+      }
+    },
     "crc-32": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.2.0.tgz",
@@ -12829,6 +12913,15 @@
         }
       }
     },
+    "doctrine": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
+      "integrity": "sha512-yS+Q5i3hBf7GBkd4KG8a7eBNNWNGLTaEwwYWUijIYM7zrlYDM0BFXHjjPWlWZ1Rg7UaddZeIDmi9jF3HmqiQ2w==",
+      "dev": true,
+      "requires": {
+        "esutils": "^2.0.2"
+      }
+    },
     "dom-serializer": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-1.3.2.tgz",
@@ -13547,11 +13640,183 @@
         }
       }
     },
+    "eslint": {
+      "version": "5.16.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-5.16.0.tgz",
+      "integrity": "sha512-S3Rz11i7c8AA5JPv7xAH+dOyq/Cu/VXHiHXBPOU1k/JAM5dXqQPt3qcrhpHSorXmrpu2g0gkIBVXAqCpzfoZIg==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "ajv": "^6.9.1",
+        "chalk": "^2.1.0",
+        "cross-spawn": "^6.0.5",
+        "debug": "^4.0.1",
+        "doctrine": "^3.0.0",
+        "eslint-scope": "^4.0.3",
+        "eslint-utils": "^1.3.1",
+        "eslint-visitor-keys": "^1.0.0",
+        "espree": "^5.0.1",
+        "esquery": "^1.0.1",
+        "esutils": "^2.0.2",
+        "file-entry-cache": "^5.0.1",
+        "functional-red-black-tree": "^1.0.1",
+        "glob": "^7.1.2",
+        "globals": "^11.7.0",
+        "ignore": "^4.0.6",
+        "import-fresh": "^3.0.0",
+        "imurmurhash": "^0.1.4",
+        "inquirer": "^6.2.2",
+        "js-yaml": "^3.13.0",
+        "json-stable-stringify-without-jsonify": "^1.0.1",
+        "levn": "^0.3.0",
+        "lodash": "^4.17.11",
+        "minimatch": "^3.0.4",
+        "mkdirp": "^0.5.1",
+        "natural-compare": "^1.4.0",
+        "optionator": "^0.8.2",
+        "path-is-inside": "^1.0.2",
+        "progress": "^2.0.0",
+        "regexpp": "^2.0.1",
+        "semver": "^5.5.1",
+        "strip-ansi": "^4.0.0",
+        "strip-json-comments": "^2.0.1",
+        "table": "^5.2.3",
+        "text-table": "^0.2.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "dev": true
+        },
+        "cross-spawn": {
+          "version": "6.0.5",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+          "dev": true,
+          "requires": {
+            "nice-try": "^1.0.4",
+            "path-key": "^2.0.1",
+            "semver": "^5.5.0",
+            "shebang-command": "^1.2.0",
+            "which": "^1.2.9"
+          }
+        },
+        "debug": {
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
+          "integrity": "sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==",
+          "dev": true,
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ignore": {
+          "version": "4.0.6",
+          "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
+          "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==",
+          "dev": true
+        },
+        "import-fresh": {
+          "version": "3.3.0",
+          "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.0.tgz",
+          "integrity": "sha512-veYYhQa+D1QBKznvhUHxb8faxlrwUnxseDAbAp457E0wLNio2bOSKnjYDhMj+YiAq61xrMGhQk9iXVk5FzgQMw==",
+          "dev": true,
+          "requires": {
+            "parent-module": "^1.0.0",
+            "resolve-from": "^4.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        },
+        "resolve-from": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
+          "integrity": "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==",
+          "dev": true
+        },
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^3.0.0"
+          }
+        }
+      }
+    },
+    "eslint-scope": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-4.0.3.tgz",
+      "integrity": "sha512-p7VutNr1O/QrxysMo3E45FjYDTeXBy0iTltPFNSqKAIfjDSXC+4dj+qfyuD8bfAXrW/y6lW3O76VaYNPKfpKrg==",
+      "dev": true,
+      "requires": {
+        "esrecurse": "^4.1.0",
+        "estraverse": "^4.1.1"
+      }
+    },
+    "eslint-utils": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.3.tgz",
+      "integrity": "sha512-fbBN5W2xdY45KulGXmLHZ3c3FHfVYmKg0IrAKGOkT/464PQsx2UeIzfz1RmEci+KLm1bBaAzZAh8+/E+XAeZ8Q==",
+      "dev": true,
+      "requires": {
+        "eslint-visitor-keys": "^1.1.0"
+      }
+    },
+    "eslint-visitor-keys": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.3.0.tgz",
+      "integrity": "sha512-6J72N8UNa462wa/KFODt/PJ3IU60SDpC3QXC1Hjc1BXXpfL2C9R5+AU7jhe0F6GREqVMh4Juu+NY7xn+6dipUQ==",
+      "dev": true
+    },
+    "espree": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/espree/-/espree-5.0.1.tgz",
+      "integrity": "sha512-qWAZcWh4XE/RwzLJejfcofscgMc9CamR6Tn1+XRXNzrvUSSbiAjGOI/fggztjIi7y9VLPqnICMIPiGyr8JaZ0A==",
+      "dev": true,
+      "requires": {
+        "acorn": "^6.0.7",
+        "acorn-jsx": "^5.0.0",
+        "eslint-visitor-keys": "^1.0.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "6.4.2",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+          "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+          "dev": true
+        }
+      }
+    },
     "esprima": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
       "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
     },
+    "esquery": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.4.0.tgz",
+      "integrity": "sha512-cCDispWt5vHHtwMY2YrAQ4ibFkAL8RbH5YGBnZBc90MolvvfkkQcJro/aZiAQUlQ3qgrYS6D6v8Gc5G5CQsc9w==",
+      "dev": true,
+      "requires": {
+        "estraverse": "^5.1.0"
+      },
+      "dependencies": {
+        "estraverse": {
+          "version": "5.3.0",
+          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-5.3.0.tgz",
+          "integrity": "sha512-MMdARuVEQziNTeJD8DgMqmhwR11BRQ/cBP+pLtYdSTnf3MIO8fFeiINEbX36ZdNlfU/7A9f3gUw49B3oQsvwBA==",
+          "dev": true
+        }
+      }
+    },
     "esrecurse": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/esrecurse/-/esrecurse-4.3.0.tgz",
@@ -15046,6 +15311,17 @@
         }
       }
     },
+    "external-editor": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.1.0.tgz",
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+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        }
+      }
+    },
     "taffydb": {
       "version": "2.7.3",
       "resolved": "https://registry.npmjs.org/taffydb/-/taffydb-2.7.3.tgz",
@@ -39927,6 +40481,12 @@
       "integrity": "sha512-wiBrwC1EhBelW12Zy26JeOUkQ5mRu+5o8rpsJk5+2t+Y5vE7e842qtZDQ2g1NpX/29HdyFeJ4nSIhI47ENSxlQ==",
       "dev": true
     },
+    "text-table": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
+      "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=",
+      "dev": true
+    },
     "then-request": {
       "version": "6.0.2",
       "resolved": "https://registry.npmjs.org/then-request/-/then-request-6.0.2.tgz",
@@ -43293,6 +43853,15 @@
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
+    "write": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/write/-/write-1.0.3.tgz",
+      "integrity": "sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==",
+      "dev": true,
+      "requires": {
+        "mkdirp": "^0.5.1"
+      }
+    },
     "write-file-atomic": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-3.0.3.tgz",
diff --git a/package.json b/package.json
index 8ac43e728..380ca1647 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,8 @@
     "generate-types": "run-p generate-types:*",
     "generate-types:web3": "typechain --target=web3-v1 'build/contracts/*.json'",
     "generate-types:ethers": "typechain --target=ethers-v5 'build/contracts/*.json'",
-    "remixd": "remixd -s . --remix-ide"
+    "remixd": "remixd -s . --remix-ide",
+    "linter": "npx solhint 'contracts/**/*.sol'"
   },
   "repository": {
     "type": "git",
@@ -49,10 +50,10 @@
   "devDependencies": {
     "@erc725/erc725.js": "0.6.2-beta.4",
     "@ethereum-waffle/jest": "^3.3.0",
-    "@openzeppelin/test-helpers": "0.5.13",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
     "@nomiclabs/hardhat-web3": "^2.0.0",
+    "@openzeppelin/test-helpers": "0.5.13",
     "@remix-project/remixd": "^0.5.1",
     "@typechain/ethers-v5": "^7.0.1",
     "@typechain/web3-v1": "^3.1.0",
@@ -71,6 +72,7 @@
     "keccak256": "1.0.3",
     "merkletreejs": "0.2.24",
     "npm-run-all": "^4.1.5",
+    "solhint": "^3.3.6",
     "standard-version": "^9.3.1",
     "ts-node": "^10.2.0",
     "typechain": "^5.1.2",