Add support for eth-gas-reporter (#2501)

Co-authored-by: Francisco Giordano <frangio.1@gmail.com>

.github/workflows/test.yml

@@ -26,6 +26,11 @@ jobs:
         if: steps.cache.outputs.cache-hit != 'true'
       - run: npm run lint
       - run: npm run test
+        env:
+          FORCE_COLOR: 1
+          ENABLE_GAS_REPORT: 1
+      - name: Print gas report
+        run: cat gas-report.txt
 
   coverage:
     runs-on: ubuntu-latest

hardhat.config.js

@@ -4,25 +4,35 @@ const path = require('path');
 require('@nomiclabs/hardhat-truffle5');
 require('@nomiclabs/hardhat-solhint');
 require('solidity-coverage');
+require('hardhat-gas-reporter');
 
 for (const f of fs.readdirSync(path.join(__dirname, 'hardhat'))) {
   require(path.join(__dirname, 'hardhat', f));
 }
 
+const enableGasReport = !!process.env.ENABLE_GAS_REPORT;
+
 /**
  * @type import('hardhat/config').HardhatUserConfig
  */
 module.exports = {
-  solidity: '0.8.0',
+  solidity: {
+    version: '0.8.0',
     settings: {
       optimizer: {
-      enabled: false,
+        enabled: enableGasReport,
         runs: 200,
       },
     },
+  },
   networks: {
     hardhat: {
       blockGasLimit: 10000000,
     },
   },
+  gasReporter: {
+    enable: enableGasReport,
+    currency: 'USD',
+    outputFile: process.env.CI ? 'gas-report.txt' : undefined,
+  },
 };

package-lock.json

@@ -1772,6 +1772,24 @@
       "integrity": "sha512-G+ITQPXkwTrslfG5L/BksmbLUA0M1iybEsmCWPqzSxsRRhJZimBKJkoMi8fr/CPygPTj4zO5pJH7I2/cm9M7SQ==",
       "dev": true
     },
+    "@types/concat-stream": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/@types/concat-stream/-/concat-stream-1.6.0.tgz",
+      "integrity": "sha1-OU2+C7X+5Gs42JZzXoto7yOQ0A0=",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/form-data": {
+      "version": "0.0.33",
+      "resolved": "https://registry.npmjs.org/@types/form-data/-/form-data-0.0.33.tgz",
+      "integrity": "sha1-yayFsqX9GENbjIXZ7LUObWyJP/g=",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/glob": {
       "version": "7.1.3",
       "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.3.tgz",
@@ -1815,6 +1833,12 @@
         "@types/node": "*"
       }
     },
+    "@types/qs": {
+      "version": "6.9.5",
+      "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.9.5.tgz",
+      "integrity": "sha512-/JHkVHtx/REVG0VVToGRGH2+23hsYLHdyG+GrvoUGlGAd0ErauXDyvHtRI/7H7mzLm+tBCKA7pfcpkQ1lf58iQ==",
+      "dev": true
+    },
     "@types/secp256k1": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/@types/secp256k1/-/secp256k1-4.0.1.tgz",
@@ -2084,6 +2108,12 @@
         "es-abstract": "^1.18.0-next.1"
       }
     },
+    "asap": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
+      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY=",
+      "dev": true
+    },
     "asn1": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
@@ -2360,7 +2390,6 @@
       "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
       "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
       "dev": true,
-      "optional": true,
       "requires": {
         "file-uri-to-path": "1.0.0"
       }
@@ -2370,7 +2399,6 @@
       "resolved": "https://registry.npmjs.org/bip66/-/bip66-1.1.5.tgz",
       "integrity": "sha1-AfqHSHhcpwlV1QESF9GzE5lpyiI=",
       "dev": true,
-      "optional": true,
       "requires": {
         "safe-buffer": "^5.0.1"
       }
@@ -2781,6 +2809,12 @@
       "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
       "dev": true
     },
+    "charenc": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/charenc/-/charenc-0.0.2.tgz",
+      "integrity": "sha1-wKHS86cJLgN3S/qD8UwPxXkKhmc=",
+      "dev": true
+    },
     "check-error": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
@@ -2942,6 +2976,17 @@
         "restore-cursor": "^2.0.0"
       }
     },
+    "cli-table3": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/cli-table3/-/cli-table3-0.5.1.tgz",
+      "integrity": "sha512-7Qg2Jrep1S/+Q3EceiZtQcDPWxhAvBw+ERf1162v4sikJrvojMHFqXt8QIVha8UlH9rgU0BeWPytZ9/TzYqlUw==",
+      "dev": true,
+      "requires": {
+        "colors": "^1.1.2",
+        "object-assign": "^4.1.0",
+        "string-width": "^2.1.1"
+      }
+    },
     "cli-width": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.1.tgz",
@@ -3021,6 +3066,12 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
+    "colors": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.4.0.tgz",
+      "integrity": "sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA==",
+      "dev": true
+    },
     "combined-stream": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
@@ -3054,6 +3105,50 @@
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
       "dev": true
     },
+    "concat-stream": {
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
+      "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
+      "dev": true,
+      "requires": {
+        "buffer-from": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^2.2.2",
+        "typedarray": "^0.0.6"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "2.3.7",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+          "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+          "dev": true,
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+          "dev": true
+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
+      }
+    },
     "connect": {
       "version": "3.7.0",
       "resolved": "https://registry.npmjs.org/connect/-/connect-3.7.0.tgz",
@@ -3245,6 +3340,12 @@
         }
       }
     },
+    "crypt": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/crypt/-/crypt-0.0.2.tgz",
+      "integrity": "sha1-iNf/fsDfuG9xPch7u0LQRNPmxBs=",
+      "dev": true
+    },
     "crypto-browserify": {
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/crypto-browserify/-/crypto-browserify-3.12.0.tgz",
@@ -3582,7 +3683,6 @@
       "resolved": "https://registry.npmjs.org/drbg.js/-/drbg.js-1.0.1.tgz",
       "integrity": "sha1-Pja2xCs3BDgjzbwzLVjzHiRFSAs=",
       "dev": true,
-      "optional": true,
       "requires": {
         "browserify-aes": "^1.0.6",
         "create-hash": "^1.1.2",
@@ -4602,6 +4702,244 @@
         }
       }
     },
+    "eth-gas-reporter": {
+      "version": "0.2.20",
+      "resolved": "https://registry.npmjs.org/eth-gas-reporter/-/eth-gas-reporter-0.2.20.tgz",
+      "integrity": "sha512-gp/PhKrr3hYEEFg5emIQxbhQkVH2mg+iHcM6GvqhzFx5IkZGeQx+5oNzYDEfBXQefcA90rwWHId6eCty6jbdDA==",
+      "dev": true,
+      "requires": {
+        "@ethersproject/abi": "^5.0.0-beta.146",
+        "@solidity-parser/parser": "^0.8.2",
+        "cli-table3": "^0.5.0",
+        "colors": "^1.1.2",
+        "ethereumjs-util": "6.2.0",
+        "ethers": "^4.0.40",
+        "fs-readdir-recursive": "^1.1.0",
+        "lodash": "^4.17.14",
+        "markdown-table": "^1.1.3",
+        "mocha": "^7.1.1",
+        "req-cwd": "^2.0.0",
+        "request": "^2.88.0",
+        "request-promise-native": "^1.0.5",
+        "sha1": "^1.1.1",
+        "sync-request": "^6.0.0"
+      },
+      "dependencies": {
+        "@solidity-parser/parser": {
+          "version": "0.8.2",
+          "resolved": "https://registry.npmjs.org/@solidity-parser/parser/-/parser-0.8.2.tgz",
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+        },
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+        },
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+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ethereumjs-util": {
+          "version": "6.2.0",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.2.0.tgz",
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+          "requires": {
+            "@types/bn.js": "^4.11.3",
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "ethjs-util": "0.1.6",
+            "keccak": "^2.0.0",
+            "rlp": "^2.2.3",
+            "secp256k1": "^3.0.1"
+          }
+        },
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-      "dev": true,
-      "optional": true
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@@ -5691,6 +6028,12 @@
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+    },
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@@ -6514,6 +6857,12 @@
         "has-symbols": "^1.0.1"
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+    "get-port": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/get-port/-/get-port-3.2.0.tgz",
+      "integrity": "sha1-3Xzn3hh8Bsi/NTeWrHHgmfCYDrw=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
@@ -7117,6 +7466,16 @@
         }
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     },
+    "hardhat-gas-reporter": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/hardhat-gas-reporter/-/hardhat-gas-reporter-1.0.4.tgz",
+      "integrity": "sha512-G376zKh81G3K9WtDA+SoTLWsoygikH++tD1E7llx+X7J+GbIqfwhDKKgvJjcnEesMrtR9UqQHK02lJuXY1RTxw==",
+      "dev": true,
+      "requires": {
+        "eth-gas-reporter": "^0.2.20",
+        "sha1": "^1.1.1"
+      }
+    },
     "has": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
@@ -7293,6 +7652,18 @@
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       }
     },
+    "http-basic": {
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+      "resolved": "https://registry.npmjs.org/http-basic/-/http-basic-8.1.3.tgz",
+      "integrity": "sha512-/EcDMwJZh3mABI2NhGfHOGOeOZITqfkEO4p/xK+l3NpyncIHUQBoMvCSF/b5GqvKtySC2srL/GGG3+EtlqlmCw==",
+      "dev": true,
+      "requires": {
+        "caseless": "^0.12.0",
+        "concat-stream": "^1.6.2",
+        "http-response-object": "^3.0.1",
+        "parse-cache-control": "^1.0.1"
+      }
+    },
     "http-cache-semantics": {
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       "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.1.0.tgz",
@@ -7332,6 +7703,15 @@
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       "dev": true
     },
+    "http-response-object": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/http-response-object/-/http-response-object-3.0.2.tgz",
+      "integrity": "sha512-bqX0XTF6fnXSQcEJ2Iuyr75yVakyjIDCqroJQ/aHfSdlM743Cwqoi2nDYMzLGWUcuTWGWy8AAvOKXTfiv6q9RA==",
+      "dev": true,
+      "requires": {
+        "@types/node": "^10.0.3"
+      }
+    },
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@@ -8749,6 +9129,12 @@
         "object-visit": "^1.0.0"
       }
     },
+    "markdown-table": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/markdown-table/-/markdown-table-1.1.3.tgz",
+      "integrity": "sha512-1RUZVgQlpJSPWYbFSpmudq5nHY1doEIv89gBtF0s4gW1GF2XorxcA/70M5vq7rLv0a6mhOUccRsqkwhwLCIQ2Q==",
+      "dev": true
+    },
     "md5.js": {
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       "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.5.tgz",
@@ -9831,6 +10217,12 @@
         "safe-buffer": "^5.1.1"
       }
     },
+    "parse-cache-control": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/parse-cache-control/-/parse-cache-control-1.0.1.tgz",
+      "integrity": "sha1-juqz5U+laSD+Fro493+iGqzC104=",
+      "dev": true
+    },
     "parse-headers": {
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       "resolved": "https://registry.npmjs.org/parse-headers/-/parse-headers-2.0.3.tgz",
@@ -10074,6 +10466,15 @@
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       "dev": true
     },
+    "promise": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/promise/-/promise-8.1.0.tgz",
+      "integrity": "sha512-W04AqnILOL/sPRXziNicCjSNRruLAuIHEOVBazepu0545DDNGYHz7ar9ZgZ1fMU8/MA4mVxp5rkBWRi6OXIy3Q==",
+      "dev": true,
+      "requires": {
+        "asap": "~2.0.6"
+      }
+    },
     "proxy-addr": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.6.tgz",
@@ -10330,6 +10731,24 @@
       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
       "dev": true
     },
+    "req-cwd": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/req-cwd/-/req-cwd-2.0.0.tgz",
+      "integrity": "sha1-1AgrTURZgDZkD7c93qAe1T20nrw=",
+      "dev": true,
+      "requires": {
+        "req-from": "^2.0.0"
+      }
+    },
+    "req-from": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/req-from/-/req-from-2.0.0.tgz",
+      "integrity": "sha1-10GI5H+TeW9Kpx327jWuaJ8+DnA=",
+      "dev": true,
+      "requires": {
+        "resolve-from": "^3.0.0"
+      }
+    },
     "request": {
       "version": "2.88.2",
       "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
@@ -10372,6 +10791,26 @@
         }
       }
     },
+    "request-promise-core": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/request-promise-core/-/request-promise-core-1.1.4.tgz",
+      "integrity": "sha512-TTbAfBBRdWD7aNNOoVOBH4pN/KigV6LyapYNNlAPA8JwbovRti1E88m3sYAwsLi5ryhPKsE9APwnjFTgdUjTpw==",
+      "dev": true,
+      "requires": {
+        "lodash": "^4.17.19"
+      }
+    },
+    "request-promise-native": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/request-promise-native/-/request-promise-native-1.0.9.tgz",
+      "integrity": "sha512-wcW+sIUiWnKgNY0dqCpOZkUbF/I+YPi+f09JZIDa39Ec+q82CpSYniDp+ISgTTbKmnpJWASeJBPZmoxH84wt3g==",
+      "dev": true,
+      "requires": {
+        "request-promise-core": "1.1.4",
+        "stealthy-require": "^1.1.1",
+        "tough-cookie": "^2.3.3"
+      }
+    },
     "require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -10820,6 +11259,16 @@
         "safe-buffer": "^5.0.1"
       }
     },
+    "sha1": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/sha1/-/sha1-1.1.1.tgz",
+      "integrity": "sha1-rdqnqTFo85PxnrKxUJFhjicA+Eg=",
+      "dev": true,
+      "requires": {
+        "charenc": ">= 0.0.1",
+        "crypt": ">= 0.0.1"
+      }
+    },
     "shebang-command": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
@@ -11572,6 +12021,12 @@
       "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=",
       "dev": true
     },
+    "stealthy-require": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/stealthy-require/-/stealthy-require-1.1.1.tgz",
+      "integrity": "sha1-NbCYdbT/SfJqd35QmzCQoyJr8ks=",
+      "dev": true
+    },
     "stream-combiner": {
       "version": "0.0.4",
       "resolved": "https://registry.npmjs.org/stream-combiner/-/stream-combiner-0.0.4.tgz",
@@ -11778,6 +12233,26 @@
         }
       }
     },
+    "sync-request": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/sync-request/-/sync-request-6.1.0.tgz",
+      "integrity": "sha512-8fjNkrNlNCrVc/av+Jn+xxqfCjYaBoHqCsDz6mt030UMxJGr+GSfCV1dQt2gRtlL63+VPidwDVLr7V2OcTSdRw==",
+      "dev": true,
+      "requires": {
+        "http-response-object": "^3.0.1",
+        "sync-rpc": "^1.2.1",
+        "then-request": "^6.0.0"
+      }
+    },
+    "sync-rpc": {
+      "version": "1.3.6",
+      "resolved": "https://registry.npmjs.org/sync-rpc/-/sync-rpc-1.3.6.tgz",
+      "integrity": "sha512-J8jTXuZzRlvU7HemDgHi3pGnh/rkoqR/OZSjhTyyZrEkkYQbk7Z33AXp37mkPfPpfdOuj7Ex3H/TJM1z48uPQw==",
+      "dev": true,
+      "requires": {
+        "get-port": "^3.1.0"
+      }
+    },
     "table": {
       "version": "5.4.6",
       "resolved": "https://registry.npmjs.org/table/-/table-5.4.6.tgz",
@@ -11839,6 +12314,33 @@
       "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",
+      "integrity": "sha512-3ZBiG7JvP3wbDzA9iNY5zJQcHL4jn/0BWtXIkagfz7QgOL/LqjCEOBQuJNZfu0XYnv5JhKh+cDxCPM4ILrqruA==",
+      "dev": true,
+      "requires": {
+        "@types/concat-stream": "^1.6.0",
+        "@types/form-data": "0.0.33",
+        "@types/node": "^8.0.0",
+        "@types/qs": "^6.2.31",
+        "caseless": "~0.12.0",
+        "concat-stream": "^1.6.0",
+        "form-data": "^2.2.0",
+        "http-basic": "^8.1.1",
+        "http-response-object": "^3.0.1",
+        "promise": "^8.0.0",
+        "qs": "^6.4.0"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "8.10.66",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.66.tgz",
+          "integrity": "sha512-tktOkFUA4kXx2hhhrB8bIFb5TbwzS4uOhKEmwiD+NoiL0qtP2OQ9mFldbgD4dV1djrlBYP6eBuQZiWjuHUpqFw==",
+          "dev": true
+        }
+      }
+    },
     "through": {
       "version": "2.3.8",
       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
@@ -12011,6 +12513,12 @@
         "mime-types": "~2.1.24"
       }
     },
+    "typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
+      "dev": true
+    },
     "typedarray-to-buffer": {
       "version": "3.1.5",
       "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",

package.json

@@ -24,7 +24,8 @@
     "prepack": "scripts/prepack.sh",
     "release": "scripts/release/release.sh",
     "version": "scripts/release/version.sh",
-    "test": "hardhat test"
+    "test": "hardhat test",
+    "gas-report": "env ENABLE_GAS_REPORT=1 npm run test"
   },
   "repository": {
     "type": "git",
@@ -64,6 +65,7 @@
     "ethereumjs-util": "^7.0.7",
     "ethereumjs-wallet": "^1.0.1",
     "hardhat": "^2.0.6",
+    "hardhat-gas-reporter": "^1.0.4",
     "lodash.startcase": "^4.4.0",
     "lodash.zip": "^4.2.0",
     "micromatch": "^4.0.2",