diff --git a/init_scripts/generate_badge.js b/init_scripts/generate_badge.js
index 86f3f30..871c737 100644
--- a/init_scripts/generate_badge.js
+++ b/init_scripts/generate_badge.js
@@ -8,6 +8,8 @@ module.exports = async function main(callback) {
       await badgeInstance.batchMint(account, 1);
       console.log(`success mint`);
     }
+    await badgeInstance.updateBaseURI("https://gateway.pinata.cloud/ipfs/QmY6AS9NwbZERqoRRfLUwqwwBRepAhu2M4hkj39XRUfYro");
+    console.log("update uri over!")
     callback(0);
   } catch (err) {
     console.log(err);
diff --git a/package-lock.json b/package-lock.json
index a74e611..446862f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,8 @@
       "license": "ISC",
       "dependencies": {
         "@openzeppelin/contracts": "^4.5.0",
-        "fs-jetpack": "^5.1.0"
+        "fs-jetpack": "^5.1.0",
+        "truffle-flattener": "^1.6.0"
       },
       "devDependencies": {
         "@openzeppelin/test-helpers": "^0.5.15",
@@ -1692,6 +1693,96 @@
       "dev": true,
       "optional": true
     },
+    "node_modules/@resolver-engine/core": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/@resolver-engine/core/-/core-0.2.1.tgz",
+      "integrity": "sha512-nsLQHmPJ77QuifqsIvqjaF5B9aHnDzJjp73Q1z6apY3e9nqYrx4Dtowhpsf7Jwftg/XzVDEMQC+OzUBNTS+S1A==",
+      "dependencies": {
+        "debug": "^3.1.0",
+        "request": "^2.85.0"
+      }
+    },
+    "node_modules/@resolver-engine/core/node_modules/debug": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+      "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
+    "node_modules/@resolver-engine/core/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+    },
+    "node_modules/@resolver-engine/fs": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/@resolver-engine/fs/-/fs-0.2.1.tgz",
+      "integrity": "sha512-7kJInM1Qo2LJcKyDhuYzh9ZWd+mal/fynfL9BNjWOiTcOpX+jNfqb/UmGUqros5pceBITlWGqS4lU709yHFUbg==",
+      "dependencies": {
+        "@resolver-engine/core": "^0.2.1",
+        "debug": "^3.1.0"
+      }
+    },
+    "node_modules/@resolver-engine/fs/node_modules/debug": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+      "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
+    "node_modules/@resolver-engine/fs/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+    },
+    "node_modules/@resolver-engine/imports": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/@resolver-engine/imports/-/imports-0.2.2.tgz",
+      "integrity": "sha512-u5/HUkvo8q34AA+hnxxqqXGfby5swnH0Myw91o3Sm2TETJlNKXibFGSKBavAH+wvWdBi4Z5gS2Odu0PowgVOUg==",
+      "dependencies": {
+        "@resolver-engine/core": "^0.2.1",
+        "debug": "^3.1.0",
+        "hosted-git-info": "^2.6.0"
+      }
+    },
+    "node_modules/@resolver-engine/imports-fs": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/@resolver-engine/imports-fs/-/imports-fs-0.2.2.tgz",
+      "integrity": "sha512-gFCgMvCwyppjwq0UzIjde/WI+yDs3oatJhozG9xdjJdewwtd7LiF0T5i9lrHAUtqrQbqoFE4E+ZMRVHWpWHpKQ==",
+      "dependencies": {
+        "@resolver-engine/fs": "^0.2.1",
+        "@resolver-engine/imports": "^0.2.2",
+        "debug": "^3.1.0"
+      }
+    },
+    "node_modules/@resolver-engine/imports-fs/node_modules/debug": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+      "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
+    "node_modules/@resolver-engine/imports-fs/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+    },
+    "node_modules/@resolver-engine/imports/node_modules/debug": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+      "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
+    "node_modules/@resolver-engine/imports/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+    },
     "node_modules/@sindresorhus/is": {
       "version": "0.14.0",
       "resolved": "https://registry.npmmirror.com/@sindresorhus/is/download/@sindresorhus/is-0.14.0.tgz",
@@ -1705,7 +1796,6 @@
       "version": "0.14.3",
       "resolved": "https://registry.npmmirror.com/@solidity-parser/parser/-/parser-0.14.3.tgz",
       "integrity": "sha512-29g2SZ29HtsqA58pLCtopI1P/cPy5/UAzlcAXO6T/CNJimG6yA8kx4NaseMyJULiC+TEs02Y9/yeHzClqoA0hw==",
-      "dev": true,
       "dependencies": {
         "antlr4ts": "^0.5.0-alpha.4"
       }
@@ -3415,7 +3505,6 @@
       "version": "6.12.6",
       "resolved": "https://registry.npmmirror.com/ajv/download/ajv-6.12.6.tgz",
       "integrity": "sha1-uvWmLoArB9l3A0WG+MO69a3ybfQ=",
-      "dev": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -3551,8 +3640,7 @@
     "node_modules/antlr4ts": {
       "version": "0.5.0-alpha.4",
       "resolved": "https://registry.npmmirror.com/antlr4ts/-/antlr4ts-0.5.0-alpha.4.tgz",
-      "integrity": "sha512-WPQDt1B74OfPv/IMS2ekXAKkTZIHl88uMetg6q3OTqgFxZ/dxDXI0EWLyZid/1Pe6hTftyg5N7gel5wNAGxXyQ==",
-      "dev": true
+      "integrity": "sha512-WPQDt1B74OfPv/IMS2ekXAKkTZIHl88uMetg6q3OTqgFxZ/dxDXI0EWLyZid/1Pe6hTftyg5N7gel5wNAGxXyQ=="
     },
     "node_modules/any-signal": {
       "version": "2.1.2",
@@ -4054,7 +4142,6 @@
       "version": "0.2.6",
       "resolved": "https://registry.npmmirror.com/asn1/download/asn1-0.2.6.tgz?cache=0&sync_timestamp=1635986760581&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fasn1%2Fdownload%2Fasn1-0.2.6.tgz",
       "integrity": "sha1-DTp7tuZOAqkMAwOzHykoaOoJoI0=",
-      "dev": true,
       "dependencies": {
         "safer-buffer": "~2.1.0"
       }
@@ -4110,7 +4197,6 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmmirror.com/assert-plus/download/assert-plus-1.0.0.tgz",
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-      "dev": true,
       "engines": {
         "node": ">=0.8"
       }
@@ -4202,8 +4288,7 @@
     "node_modules/asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmmirror.com/asynckit/download/asynckit-0.4.0.tgz",
-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-      "dev": true
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
     },
     "node_modules/at-least-node": {
       "version": "1.0.0",
@@ -4251,7 +4336,6 @@
       "version": "0.7.0",
       "resolved": "https://registry.npmmirror.com/aws-sign2/download/aws-sign2-0.7.0.tgz",
       "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-      "dev": true,
       "engines": {
         "node": "*"
       }
@@ -4259,8 +4343,7 @@
     "node_modules/aws4": {
       "version": "1.11.0",
       "resolved": "https://registry.npmmirror.com/aws4/download/aws4-1.11.0.tgz",
-      "integrity": "sha1-1h9G2DslGSUOJ4Ta9bCUeai0HFk=",
-      "dev": true
+      "integrity": "sha1-1h9G2DslGSUOJ4Ta9bCUeai0HFk="
     },
     "node_modules/axios": {
       "version": "0.20.0",
@@ -4643,7 +4726,6 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmmirror.com/bcrypt-pbkdf/download/bcrypt-pbkdf-1.0.2.tgz",
       "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-      "dev": true,
       "dependencies": {
         "tweetnacl": "^0.14.3"
       }
@@ -5337,8 +5419,7 @@
     "node_modules/caseless": {
       "version": "0.12.0",
       "resolved": "https://registry.npmmirror.com/caseless/download/caseless-0.12.0.tgz",
-      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
-      "dev": true
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
     },
     "node_modules/cbor": {
       "version": "5.2.0",
@@ -5823,7 +5904,6 @@
       "version": "1.0.8",
       "resolved": "https://registry.npmmirror.com/combined-stream/download/combined-stream-1.0.8.tgz",
       "integrity": "sha1-w9RaizT9cwYxoRCoolIGgrMdWn8=",
-      "dev": true,
       "dependencies": {
         "delayed-stream": "~1.0.0"
       },
@@ -6105,8 +6185,7 @@
     "node_modules/core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmmirror.com/core-util-is/download/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
-      "dev": true
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
     "node_modules/cors": {
       "version": "2.8.5",
@@ -6341,7 +6420,6 @@
       "version": "1.14.1",
       "resolved": "https://registry.npmmirror.com/dashdash/download/dashdash-1.14.1.tgz",
       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
-      "dev": true,
       "dependencies": {
         "assert-plus": "^1.0.0"
       },
@@ -6640,7 +6718,6 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmmirror.com/delayed-stream/download/delayed-stream-1.0.0.tgz",
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
-      "dev": true,
       "engines": {
         "node": ">=0.4.0"
       }
@@ -6914,7 +6991,6 @@
       "version": "0.1.2",
       "resolved": "https://registry.npmmirror.com/ecc-jsbn/download/ecc-jsbn-0.1.2.tgz",
       "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
-      "dev": true,
       "dependencies": {
         "jsbn": "~0.1.0",
         "safer-buffer": "^2.1.0"
@@ -8333,8 +8409,7 @@
     "node_modules/extend": {
       "version": "3.0.2",
       "resolved": "https://registry.npmmirror.com/extend/download/extend-3.0.2.tgz",
-      "integrity": "sha1-+LETa0Bx+9jrFAr/hYsQGewpFfo=",
-      "dev": true
+      "integrity": "sha1-+LETa0Bx+9jrFAr/hYsQGewpFfo="
     },
     "node_modules/extend-shallow": {
       "version": "2.0.1",
@@ -8376,7 +8451,6 @@
       "version": "1.3.0",
       "resolved": "https://registry.npmmirror.com/extsprintf/download/extsprintf-1.3.0.tgz?cache=0&sync_timestamp=1635890162613&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fextsprintf%2Fdownload%2Fextsprintf-1.3.0.tgz",
       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
-      "dev": true,
       "engines": [
         "node >=0.6.0"
       ]
@@ -8411,8 +8485,7 @@
     "node_modules/fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmmirror.com/fast-deep-equal/download/fast-deep-equal-3.1.3.tgz",
-      "integrity": "sha1-On1WtVnWy8PrUSMlJE5hmmXGxSU=",
-      "dev": true
+      "integrity": "sha1-On1WtVnWy8PrUSMlJE5hmmXGxSU="
     },
     "node_modules/fast-fifo": {
       "version": "1.0.0",
@@ -8431,8 +8504,7 @@
     "node_modules/fast-json-stable-stringify": {
       "version": "2.1.0",
       "resolved": "https://registry.npmmirror.com/fast-json-stable-stringify/download/fast-json-stable-stringify-2.1.0.tgz",
-      "integrity": "sha1-h0v2nG9ATCtdmcSBNBOZ/VWJJjM=",
-      "dev": true
+      "integrity": "sha1-h0v2nG9ATCtdmcSBNBOZ/VWJJjM="
     },
     "node_modules/fast-levenshtein": {
       "version": "2.0.6",
@@ -8592,7 +8664,6 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmmirror.com/find-up/download/find-up-2.1.0.tgz",
       "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
-      "dev": true,
       "dependencies": {
         "locate-path": "^2.0.0"
       },
@@ -8604,7 +8675,6 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmmirror.com/locate-path/download/locate-path-2.0.0.tgz",
       "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
-      "dev": true,
       "dependencies": {
         "p-locate": "^2.0.0",
         "path-exists": "^3.0.0"
@@ -8617,7 +8687,6 @@
       "version": "1.3.0",
       "resolved": "https://registry.npmmirror.com/p-limit/download/p-limit-1.3.0.tgz",
       "integrity": "sha1-uGvV8MJWkJEcdZD8v8IBDVSzzLg=",
-      "dev": true,
       "dependencies": {
         "p-try": "^1.0.0"
       },
@@ -8629,7 +8698,6 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmmirror.com/p-locate/download/p-locate-2.0.0.tgz",
       "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
-      "dev": true,
       "dependencies": {
         "p-limit": "^1.1.0"
       },
@@ -8641,7 +8709,6 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmmirror.com/p-try/download/p-try-1.0.0.tgz?cache=0&sync_timestamp=1633364506847&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fp-try%2Fdownload%2Fp-try-1.0.0.tgz",
       "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
-      "dev": true,
       "engines": {
         "node": ">=4"
       }
@@ -8735,7 +8802,6 @@
       "version": "0.6.1",
       "resolved": "https://registry.npmmirror.com/forever-agent/download/forever-agent-0.6.1.tgz",
       "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=",
-      "dev": true,
       "engines": {
         "node": "*"
       }
@@ -8744,7 +8810,6 @@
       "version": "2.3.3",
       "resolved": "https://registry.npmmirror.com/form-data/download/form-data-2.3.3.tgz",
       "integrity": "sha1-3M5SwF9kTymManq5Nr1yTO/786Y=",
-      "dev": true,
       "dependencies": {
         "asynckit": "^0.4.0",
         "combined-stream": "^1.0.6",
@@ -10091,7 +10156,6 @@
       "version": "0.1.7",
       "resolved": "https://registry.npmmirror.com/getpass/download/getpass-0.1.7.tgz",
       "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
-      "dev": true,
       "dependencies": {
         "assert-plus": "^1.0.0"
       }
@@ -10419,7 +10483,6 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmmirror.com/har-schema/download/har-schema-2.0.0.tgz",
       "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI=",
-      "dev": true,
       "engines": {
         "node": ">=4"
       }
@@ -10429,7 +10492,6 @@
       "resolved": "https://registry.npmmirror.com/har-validator/download/har-validator-5.1.5.tgz",
       "integrity": "sha1-HwgDufjLIMD6E4It8ezds2veHv0=",
       "deprecated": "this library is no longer supported",
-      "dev": true,
       "dependencies": {
         "ajv": "^6.12.3",
         "har-schema": "^2.0.0"
@@ -10685,8 +10747,7 @@
     "node_modules/hosted-git-info": {
       "version": "2.8.9",
       "resolved": "https://registry.npmmirror.com/hosted-git-info/download/hosted-git-info-2.8.9.tgz",
-      "integrity": "sha1-3/wL+aIcAiCQkPKqaUKeFBTa8/k=",
-      "dev": true
+      "integrity": "sha1-3/wL+aIcAiCQkPKqaUKeFBTa8/k="
     },
     "node_modules/htmlparser2": {
       "version": "3.10.1",
@@ -10734,7 +10795,6 @@
       "version": "1.2.0",
       "resolved": "https://registry.npmmirror.com/http-signature/download/http-signature-1.2.0.tgz?cache=0&sync_timestamp=1637178666193&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fhttp-signature%2Fdownload%2Fhttp-signature-1.2.0.tgz",
       "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
-      "dev": true,
       "dependencies": {
         "assert-plus": "^1.0.0",
         "jsprim": "^1.2.2",
@@ -12494,8 +12554,7 @@
     "node_modules/is-typedarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmmirror.com/is-typedarray/download/is-typedarray-1.0.0.tgz",
-      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
-      "dev": true
+      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
     },
     "node_modules/is-upper-case": {
       "version": "1.1.2",
@@ -12614,8 +12673,7 @@
     "node_modules/isstream": {
       "version": "0.1.2",
       "resolved": "https://registry.npmmirror.com/isstream/download/isstream-0.1.2.tgz",
-      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=",
-      "dev": true
+      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
     },
     "node_modules/isurl": {
       "version": "1.0.0",
@@ -12800,8 +12858,7 @@
     "node_modules/jsbn": {
       "version": "0.1.1",
       "resolved": "https://registry.npmmirror.com/jsbn/download/jsbn-0.1.1.tgz",
-      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
-      "dev": true
+      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM="
     },
     "node_modules/jsdom": {
       "version": "7.2.2",
@@ -12915,14 +12972,12 @@
     "node_modules/json-schema": {
       "version": "0.4.0",
       "resolved": "https://registry.npmmirror.com/json-schema/download/json-schema-0.4.0.tgz?cache=0&sync_timestamp=1636423535512&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fjson-schema%2Fdownload%2Fjson-schema-0.4.0.tgz",
-      "integrity": "sha512-es94M3nTIfsEPisRafak+HDLfHXnKBhV3vU5eqPcS3flIWqcxJWgXHXiey3YrpaNsanY5ei1VoYEbOzijuq9BA==",
-      "dev": true
+      "integrity": "sha512-es94M3nTIfsEPisRafak+HDLfHXnKBhV3vU5eqPcS3flIWqcxJWgXHXiey3YrpaNsanY5ei1VoYEbOzijuq9BA=="
     },
     "node_modules/json-schema-traverse": {
       "version": "0.4.1",
       "resolved": "https://registry.npmmirror.com/json-schema-traverse/download/json-schema-traverse-0.4.1.tgz",
-      "integrity": "sha1-afaofZUTq4u4/mO9sJecRI5oRmA=",
-      "dev": true
+      "integrity": "sha1-afaofZUTq4u4/mO9sJecRI5oRmA="
     },
     "node_modules/json-schema-typed": {
       "version": "7.0.3",
@@ -12950,8 +13005,7 @@
     "node_modules/json-stringify-safe": {
       "version": "5.0.1",
       "resolved": "https://registry.npmmirror.com/json-stringify-safe/download/json-stringify-safe-5.0.1.tgz",
-      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
-      "dev": true
+      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
     },
     "node_modules/json-text-sequence": {
       "version": "0.1.1",
@@ -13029,7 +13083,6 @@
       "version": "1.4.2",
       "resolved": "https://registry.npmmirror.com/jsprim/download/jsprim-1.4.2.tgz",
       "integrity": "sha512-P2bSOMAc/ciLz6DzgjVlGJP9+BrJWu5UDGK70C2iweC5QBIeFf0ZXRvGjEj2uYgrY2MkAAhsSWHDWlFtEroZWw==",
-      "dev": true,
       "dependencies": {
         "assert-plus": "1.0.0",
         "extsprintf": "1.3.0",
@@ -14388,7 +14441,6 @@
       "version": "1.51.0",
       "resolved": "https://registry.npmmirror.com/mime-db/download/mime-db-1.51.0.tgz?cache=0&sync_timestamp=1636426011488&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fmime-db%2Fdownload%2Fmime-db-1.51.0.tgz",
       "integrity": "sha512-5y8A56jg7XVQx2mbv1lu49NR4dokRnhZYTtL+KGfaa27uq4pSTXkwQkFJl4pkRMyNFz/EtYDSkiiEHx3F7UN6g==",
-      "dev": true,
       "engines": {
         "node": ">= 0.6"
       }
@@ -14397,7 +14449,6 @@
       "version": "2.1.34",
       "resolved": "https://registry.npmmirror.com/mime-types/download/mime-types-2.1.34.tgz?cache=0&sync_timestamp=1636432808076&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fmime-types%2Fdownload%2Fmime-types-2.1.34.tgz",
       "integrity": "sha512-6cP692WwGIs9XXdOO4++N+7qjqv0rqxxVvJ3VHPh/Sc9mVZcQP+ZGhkKiTvWMQRr2tbHkJP/Yn7Y0npb3ZBs4A==",
-      "dev": true,
       "dependencies": {
         "mime-db": "1.51.0"
       },
@@ -14521,7 +14572,6 @@
       "version": "1.0.4",
       "resolved": "https://registry.npmmirror.com/mkdirp/download/mkdirp-1.0.4.tgz",
       "integrity": "sha1-PrXtYmInVteaXw4qIh3+utdcL34=",
-      "dev": true,
       "bin": {
         "mkdirp": "bin/cmd.js"
       },
@@ -15957,7 +16007,6 @@
       "version": "0.9.0",
       "resolved": "https://registry.npmmirror.com/oauth-sign/download/oauth-sign-0.9.0.tgz",
       "integrity": "sha1-R6ewFrqmi1+g7PPe4IqFxnmsZFU=",
-      "dev": true,
       "engines": {
         "node": "*"
       }
@@ -16559,7 +16608,6 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmmirror.com/path-exists/download/path-exists-3.0.0.tgz",
       "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
-      "dev": true,
       "engines": {
         "node": ">=4"
       }
@@ -16789,8 +16837,7 @@
     "node_modules/performance-now": {
       "version": "2.1.0",
       "resolved": "https://registry.npmmirror.com/performance-now/download/performance-now-2.1.0.tgz",
-      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
-      "dev": true
+      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
     "node_modules/picocolors": {
       "version": "1.0.0",
@@ -17870,8 +17917,7 @@
     "node_modules/psl": {
       "version": "1.8.0",
       "resolved": "https://registry.npmmirror.com/psl/download/psl-1.8.0.tgz",
-      "integrity": "sha1-kyb4vPsBOtzABf3/BWrM4CDlHCQ=",
-      "dev": true
+      "integrity": "sha1-kyb4vPsBOtzABf3/BWrM4CDlHCQ="
     },
     "node_modules/public-encrypt": {
       "version": "4.0.3",
@@ -17901,7 +17947,6 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmmirror.com/punycode/download/punycode-2.1.1.tgz",
       "integrity": "sha1-tYsBCsQMIsVldhbI0sLALHv0eew=",
-      "dev": true,
       "engines": {
         "node": ">=6"
       }
@@ -18329,7 +18374,6 @@
       "resolved": "https://registry.npmmirror.com/request/download/request-2.88.2.tgz",
       "integrity": "sha1-1zyRhzHLWofaBH4gcjQUb2ZNErM=",
       "deprecated": "request has been deprecated, see https://github.com/request/request/issues/3142",
-      "dev": true,
       "dependencies": {
         "aws-sign2": "~0.7.0",
         "aws4": "^1.8.0",
@@ -18360,7 +18404,6 @@
       "version": "6.5.2",
       "resolved": "https://registry.npmmirror.com/qs/download/qs-6.5.2.tgz",
       "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
-      "dev": true,
       "engines": {
         "node": ">=0.6"
       }
@@ -18370,7 +18413,6 @@
       "resolved": "https://registry.npmmirror.com/uuid/download/uuid-3.4.0.tgz",
       "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
       "deprecated": "Please upgrade  to version 7 or higher.  Older versions may use Math.random() in certain circumstances, which is known to be problematic.  See https://v8.dev/blog/math-random for details.",
-      "dev": true,
       "bin": {
         "uuid": "bin/uuid"
       }
@@ -18685,8 +18727,7 @@
     "node_modules/safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmmirror.com/safe-buffer/download/safe-buffer-5.2.1.tgz",
-      "integrity": "sha1-Hq+fqb2x/dTsdfWPnNtOa3gn7sY=",
-      "dev": true
+      "integrity": "sha1-Hq+fqb2x/dTsdfWPnNtOa3gn7sY="
     },
     "node_modules/safe-event-emitter": {
       "version": "1.0.1",
@@ -18711,8 +18752,7 @@
     "node_modules/safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmmirror.com/safer-buffer/download/safer-buffer-2.1.2.tgz",
-      "integrity": "sha1-RPoWGwGHuVSd2Eu5GAL5vYOFzWo=",
-      "dev": true
+      "integrity": "sha1-RPoWGwGHuVSd2Eu5GAL5vYOFzWo="
     },
     "node_modules/sax": {
       "version": "1.2.4",
@@ -19581,7 +19621,6 @@
       "version": "1.16.1",
       "resolved": "https://registry.npmmirror.com/sshpk/download/sshpk-1.16.1.tgz",
       "integrity": "sha1-+2YcC+8ps520B2nuOfpwCT1vaHc=",
-      "dev": true,
       "dependencies": {
         "asn1": "~0.2.3",
         "assert-plus": "^1.0.0",
@@ -20525,7 +20564,6 @@
       "version": "2.5.0",
       "resolved": "https://registry.npmmirror.com/tough-cookie/download/tough-cookie-2.5.0.tgz?cache=0&sync_timestamp=1632753998762&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Ftough-cookie%2Fdownload%2Ftough-cookie-2.5.0.tgz",
       "integrity": "sha1-zZ+yoKodWhK0c72fuW+j3P9lreI=",
-      "dev": true,
       "dependencies": {
         "psl": "^1.1.28",
         "punycode": "^2.1.1"
@@ -20573,6 +20611,21 @@
         "@truffle/preserve-to-ipfs": "^0.2.4"
       }
     },
+    "node_modules/truffle-flattener": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/truffle-flattener/-/truffle-flattener-1.6.0.tgz",
+      "integrity": "sha512-scS5Bsi4CZyvlrmD4iQcLHTiG2RQFUXVheTgWeH6PuafmI+Lk5U87Es98loM3w3ImqC9/fPHq+3QIXbcPuoJ1Q==",
+      "dependencies": {
+        "@resolver-engine/imports-fs": "^0.2.2",
+        "@solidity-parser/parser": "^0.14.1",
+        "find-up": "^2.1.0",
+        "mkdirp": "^1.0.4",
+        "tsort": "0.0.1"
+      },
+      "bin": {
+        "truffle-flattener": "index.js"
+      }
+    },
     "node_modules/truffle-plugin-stdjsonin": {
       "version": "0.5.14",
       "resolved": "git+ssh://git@github.com/mhrsalehi/truffle-plugin-stdjsonin.git#0ddb4110de7e14b2242f7467600d1ac149e2c460",
@@ -20641,6 +20694,11 @@
       "integrity": "sha1-6KM1rdXOrlGqJh0ypJAVjvBC7wE=",
       "dev": true
     },
+    "node_modules/tsort": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/tsort/-/tsort-0.0.1.tgz",
+      "integrity": "sha512-Tyrf5mxF8Ofs1tNoxA13lFeZ2Zrbd6cKbuH3V+MQ5sb6DtBj5FjrXVsRWT8YvNAQTqNoz66dz1WsbigI22aEnw=="
+    },
     "node_modules/tty-browserify": {
       "version": "0.0.0",
       "resolved": "https://registry.npmmirror.com/tty-browserify/download/tty-browserify-0.0.0.tgz",
@@ -20660,7 +20718,6 @@
       "version": "0.6.0",
       "resolved": "https://registry.npmmirror.com/tunnel-agent/download/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
-      "dev": true,
       "dependencies": {
         "safe-buffer": "^5.0.1"
       },
@@ -20671,8 +20728,7 @@
     "node_modules/tweetnacl": {
       "version": "0.14.5",
       "resolved": "https://registry.npmmirror.com/tweetnacl/download/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "dev": true
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
     },
     "node_modules/tweetnacl-util": {
       "version": "0.15.1",
@@ -21104,7 +21160,6 @@
       "version": "4.4.1",
       "resolved": "https://registry.npmmirror.com/uri-js/download/uri-js-4.4.1.tgz",
       "integrity": "sha1-mxpSWVIlhZ5V9mnZKPiMbFfyp34=",
-      "dev": true,
       "dependencies": {
         "punycode": "^2.1.0"
       }
@@ -21313,7 +21368,6 @@
       "version": "1.10.0",
       "resolved": "https://registry.npmmirror.com/verror/download/verror-1.10.0.tgz?cache=0&sync_timestamp=1635885230540&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fverror%2Fdownload%2Fverror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
-      "dev": true,
       "engines": [
         "node >=0.6.0"
       ],
@@ -24948,6 +25002,104 @@
       "dev": true,
       "optional": true
     },
+    "@resolver-engine/core": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/@resolver-engine/core/-/core-0.2.1.tgz",
+      "integrity": "sha512-nsLQHmPJ77QuifqsIvqjaF5B9aHnDzJjp73Q1z6apY3e9nqYrx4Dtowhpsf7Jwftg/XzVDEMQC+OzUBNTS+S1A==",
+      "requires": {
+        "debug": "^3.1.0",
+        "request": "^2.85.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.7",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+          "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+        }
+      }
+    },
+    "@resolver-engine/fs": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/@resolver-engine/fs/-/fs-0.2.1.tgz",
+      "integrity": "sha512-7kJInM1Qo2LJcKyDhuYzh9ZWd+mal/fynfL9BNjWOiTcOpX+jNfqb/UmGUqros5pceBITlWGqS4lU709yHFUbg==",
+      "requires": {
+        "@resolver-engine/core": "^0.2.1",
+        "debug": "^3.1.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.7",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+          "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+        }
+      }
+    },
+    "@resolver-engine/imports": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/@resolver-engine/imports/-/imports-0.2.2.tgz",
+      "integrity": "sha512-u5/HUkvo8q34AA+hnxxqqXGfby5swnH0Myw91o3Sm2TETJlNKXibFGSKBavAH+wvWdBi4Z5gS2Odu0PowgVOUg==",
+      "requires": {
+        "@resolver-engine/core": "^0.2.1",
+        "debug": "^3.1.0",
+        "hosted-git-info": "^2.6.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.7",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+          "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+        }
+      }
+    },
+    "@resolver-engine/imports-fs": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/@resolver-engine/imports-fs/-/imports-fs-0.2.2.tgz",
+      "integrity": "sha512-gFCgMvCwyppjwq0UzIjde/WI+yDs3oatJhozG9xdjJdewwtd7LiF0T5i9lrHAUtqrQbqoFE4E+ZMRVHWpWHpKQ==",
+      "requires": {
+        "@resolver-engine/fs": "^0.2.1",
+        "@resolver-engine/imports": "^0.2.2",
+        "debug": "^3.1.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.7",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+          "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+        }
+      }
+    },
     "@sindresorhus/is": {
       "version": "0.14.0",
       "resolved": "https://registry.npmmirror.com/@sindresorhus/is/download/@sindresorhus/is-0.14.0.tgz",
@@ -24958,7 +25110,6 @@
       "version": "0.14.3",
       "resolved": "https://registry.npmmirror.com/@solidity-parser/parser/-/parser-0.14.3.tgz",
       "integrity": "sha512-29g2SZ29HtsqA58pLCtopI1P/cPy5/UAzlcAXO6T/CNJimG6yA8kx4NaseMyJULiC+TEs02Y9/yeHzClqoA0hw==",
-      "dev": true,
       "requires": {
         "antlr4ts": "^0.5.0-alpha.4"
       }
@@ -26542,7 +26693,6 @@
       "version": "6.12.6",
       "resolved": "https://registry.npmmirror.com/ajv/download/ajv-6.12.6.tgz",
       "integrity": "sha1-uvWmLoArB9l3A0WG+MO69a3ybfQ=",
-      "dev": true,
       "requires": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -26654,8 +26804,7 @@
     "antlr4ts": {
       "version": "0.5.0-alpha.4",
       "resolved": "https://registry.npmmirror.com/antlr4ts/-/antlr4ts-0.5.0-alpha.4.tgz",
-      "integrity": "sha512-WPQDt1B74OfPv/IMS2ekXAKkTZIHl88uMetg6q3OTqgFxZ/dxDXI0EWLyZid/1Pe6hTftyg5N7gel5wNAGxXyQ==",
-      "dev": true
+      "integrity": "sha512-WPQDt1B74OfPv/IMS2ekXAKkTZIHl88uMetg6q3OTqgFxZ/dxDXI0EWLyZid/1Pe6hTftyg5N7gel5wNAGxXyQ=="
     },
     "any-signal": {
       "version": "2.1.2",
@@ -27075,7 +27224,6 @@
       "version": "0.2.6",
       "resolved": "https://registry.npmmirror.com/asn1/download/asn1-0.2.6.tgz?cache=0&sync_timestamp=1635986760581&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fasn1%2Fdownload%2Fasn1-0.2.6.tgz",
       "integrity": "sha1-DTp7tuZOAqkMAwOzHykoaOoJoI0=",
-      "dev": true,
       "requires": {
         "safer-buffer": "~2.1.0"
       }
@@ -27149,8 +27297,7 @@
     "assert-plus": {
       "version": "1.0.0",
       "resolved": "https://registry.npmmirror.com/assert-plus/download/assert-plus-1.0.0.tgz",
-      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-      "dev": true
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
     },
     "assertion-error": {
       "version": "1.1.0",
@@ -27218,8 +27365,7 @@
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmmirror.com/asynckit/download/asynckit-0.4.0.tgz",
-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-      "dev": true
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
     },
     "at-least-node": {
       "version": "1.0.0",
@@ -27251,14 +27397,12 @@
     "aws-sign2": {
       "version": "0.7.0",
       "resolved": "https://registry.npmmirror.com/aws-sign2/download/aws-sign2-0.7.0.tgz",
-      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-      "dev": true
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
     },
     "aws4": {
       "version": "1.11.0",
       "resolved": "https://registry.npmmirror.com/aws4/download/aws4-1.11.0.tgz",
-      "integrity": "sha1-1h9G2DslGSUOJ4Ta9bCUeai0HFk=",
-      "dev": true
+      "integrity": "sha1-1h9G2DslGSUOJ4Ta9bCUeai0HFk="
     },
     "axios": {
       "version": "0.20.0",
@@ -27595,7 +27739,6 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmmirror.com/bcrypt-pbkdf/download/bcrypt-pbkdf-1.0.2.tgz",
       "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-      "dev": true,
       "requires": {
         "tweetnacl": "^0.14.3"
       }
@@ -28206,8 +28349,7 @@
     "caseless": {
       "version": "0.12.0",
       "resolved": "https://registry.npmmirror.com/caseless/download/caseless-0.12.0.tgz",
-      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
-      "dev": true
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
     },
     "cbor": {
       "version": "5.2.0",
@@ -28616,7 +28758,6 @@
       "version": "1.0.8",
       "resolved": "https://registry.npmmirror.com/combined-stream/download/combined-stream-1.0.8.tgz",
       "integrity": "sha1-w9RaizT9cwYxoRCoolIGgrMdWn8=",
-      "dev": true,
       "requires": {
         "delayed-stream": "~1.0.0"
       }
@@ -28872,8 +29013,7 @@
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmmirror.com/core-util-is/download/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
-      "dev": true
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
     "cors": {
       "version": "2.8.5",
@@ -29091,7 +29231,6 @@
       "version": "1.14.1",
       "resolved": "https://registry.npmmirror.com/dashdash/download/dashdash-1.14.1.tgz",
       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
-      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0"
       }
@@ -29334,8 +29473,7 @@
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmmirror.com/delayed-stream/download/delayed-stream-1.0.0.tgz",
-      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
-      "dev": true
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
     },
     "delegates": {
       "version": "1.0.0",
@@ -29580,7 +29718,6 @@
       "version": "0.1.2",
       "resolved": "https://registry.npmmirror.com/ecc-jsbn/download/ecc-jsbn-0.1.2.tgz",
       "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
-      "dev": true,
       "requires": {
         "jsbn": "~0.1.0",
         "safer-buffer": "^2.1.0"
@@ -30906,8 +31043,7 @@
     "extend": {
       "version": "3.0.2",
       "resolved": "https://registry.npmmirror.com/extend/download/extend-3.0.2.tgz",
-      "integrity": "sha1-+LETa0Bx+9jrFAr/hYsQGewpFfo=",
-      "dev": true
+      "integrity": "sha1-+LETa0Bx+9jrFAr/hYsQGewpFfo="
     },
     "extend-shallow": {
       "version": "2.0.1",
@@ -30941,8 +31077,7 @@
     "extsprintf": {
       "version": "1.3.0",
       "resolved": "https://registry.npmmirror.com/extsprintf/download/extsprintf-1.3.0.tgz?cache=0&sync_timestamp=1635890162613&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fextsprintf%2Fdownload%2Fextsprintf-1.3.0.tgz",
-      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
-      "dev": true
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
     },
     "fake-merkle-patricia-tree": {
       "version": "1.0.1",
@@ -30971,8 +31106,7 @@
     "fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmmirror.com/fast-deep-equal/download/fast-deep-equal-3.1.3.tgz",
-      "integrity": "sha1-On1WtVnWy8PrUSMlJE5hmmXGxSU=",
-      "dev": true
+      "integrity": "sha1-On1WtVnWy8PrUSMlJE5hmmXGxSU="
     },
     "fast-fifo": {
       "version": "1.0.0",
@@ -30991,8 +31125,7 @@
     "fast-json-stable-stringify": {
       "version": "2.1.0",
       "resolved": "https://registry.npmmirror.com/fast-json-stable-stringify/download/fast-json-stable-stringify-2.1.0.tgz",
-      "integrity": "sha1-h0v2nG9ATCtdmcSBNBOZ/VWJJjM=",
-      "dev": true
+      "integrity": "sha1-h0v2nG9ATCtdmcSBNBOZ/VWJJjM="
     },
     "fast-levenshtein": {
       "version": "2.0.6",
@@ -31133,7 +31266,6 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmmirror.com/find-up/download/find-up-2.1.0.tgz",
       "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
-      "dev": true,
       "requires": {
         "locate-path": "^2.0.0"
       },
@@ -31142,7 +31274,6 @@
           "version": "2.0.0",
           "resolved": "https://registry.npmmirror.com/locate-path/download/locate-path-2.0.0.tgz",
           "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
-          "dev": true,
           "requires": {
             "p-locate": "^2.0.0",
             "path-exists": "^3.0.0"
@@ -31152,7 +31283,6 @@
           "version": "1.3.0",
           "resolved": "https://registry.npmmirror.com/p-limit/download/p-limit-1.3.0.tgz",
           "integrity": "sha1-uGvV8MJWkJEcdZD8v8IBDVSzzLg=",
-          "dev": true,
           "requires": {
             "p-try": "^1.0.0"
           }
@@ -31161,7 +31291,6 @@
           "version": "2.0.0",
           "resolved": "https://registry.npmmirror.com/p-locate/download/p-locate-2.0.0.tgz",
           "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
-          "dev": true,
           "requires": {
             "p-limit": "^1.1.0"
           }
@@ -31169,8 +31298,7 @@
         "p-try": {
           "version": "1.0.0",
           "resolved": "https://registry.npmmirror.com/p-try/download/p-try-1.0.0.tgz?cache=0&sync_timestamp=1633364506847&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fp-try%2Fdownload%2Fp-try-1.0.0.tgz",
-          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
-          "dev": true
+          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M="
         }
       }
     },
@@ -31241,14 +31369,12 @@
     "forever-agent": {
       "version": "0.6.1",
       "resolved": "https://registry.npmmirror.com/forever-agent/download/forever-agent-0.6.1.tgz",
-      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=",
-      "dev": true
+      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE="
     },
     "form-data": {
       "version": "2.3.3",
       "resolved": "https://registry.npmmirror.com/form-data/download/form-data-2.3.3.tgz",
       "integrity": "sha1-3M5SwF9kTymManq5Nr1yTO/786Y=",
-      "dev": true,
       "requires": {
         "asynckit": "^0.4.0",
         "combined-stream": "^1.0.6",
@@ -32268,7 +32394,6 @@
       "version": "0.1.7",
       "resolved": "https://registry.npmmirror.com/getpass/download/getpass-0.1.7.tgz",
       "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
-      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0"
       }
@@ -32544,14 +32669,12 @@
     "har-schema": {
       "version": "2.0.0",
       "resolved": "https://registry.npmmirror.com/har-schema/download/har-schema-2.0.0.tgz",
-      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI=",
-      "dev": true
+      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI="
     },
     "har-validator": {
       "version": "5.1.5",
       "resolved": "https://registry.npmmirror.com/har-validator/download/har-validator-5.1.5.tgz",
       "integrity": "sha1-HwgDufjLIMD6E4It8ezds2veHv0=",
-      "dev": true,
       "requires": {
         "ajv": "^6.12.3",
         "har-schema": "^2.0.0"
@@ -32761,8 +32884,7 @@
     "hosted-git-info": {
       "version": "2.8.9",
       "resolved": "https://registry.npmmirror.com/hosted-git-info/download/hosted-git-info-2.8.9.tgz",
-      "integrity": "sha1-3/wL+aIcAiCQkPKqaUKeFBTa8/k=",
-      "dev": true
+      "integrity": "sha1-3/wL+aIcAiCQkPKqaUKeFBTa8/k="
     },
     "htmlparser2": {
       "version": "3.10.1",
@@ -32807,7 +32929,6 @@
       "version": "1.2.0",
       "resolved": "https://registry.npmmirror.com/http-signature/download/http-signature-1.2.0.tgz?cache=0&sync_timestamp=1637178666193&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fhttp-signature%2Fdownload%2Fhttp-signature-1.2.0.tgz",
       "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
-      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0",
         "jsprim": "^1.2.2",
@@ -34321,8 +34442,7 @@
     "is-typedarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmmirror.com/is-typedarray/download/is-typedarray-1.0.0.tgz",
-      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
-      "dev": true
+      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
     },
     "is-upper-case": {
       "version": "1.1.2",
@@ -34420,8 +34540,7 @@
     "isstream": {
       "version": "0.1.2",
       "resolved": "https://registry.npmmirror.com/isstream/download/isstream-0.1.2.tgz",
-      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=",
-      "dev": true
+      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
     },
     "isurl": {
       "version": "1.0.0",
@@ -34600,8 +34719,7 @@
     "jsbn": {
       "version": "0.1.1",
       "resolved": "https://registry.npmmirror.com/jsbn/download/jsbn-0.1.1.tgz",
-      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
-      "dev": true
+      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM="
     },
     "jsdom": {
       "version": "7.2.2",
@@ -34707,14 +34825,12 @@
     "json-schema": {
       "version": "0.4.0",
       "resolved": "https://registry.npmmirror.com/json-schema/download/json-schema-0.4.0.tgz?cache=0&sync_timestamp=1636423535512&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fjson-schema%2Fdownload%2Fjson-schema-0.4.0.tgz",
-      "integrity": "sha512-es94M3nTIfsEPisRafak+HDLfHXnKBhV3vU5eqPcS3flIWqcxJWgXHXiey3YrpaNsanY5ei1VoYEbOzijuq9BA==",
-      "dev": true
+      "integrity": "sha512-es94M3nTIfsEPisRafak+HDLfHXnKBhV3vU5eqPcS3flIWqcxJWgXHXiey3YrpaNsanY5ei1VoYEbOzijuq9BA=="
     },
     "json-schema-traverse": {
       "version": "0.4.1",
       "resolved": "https://registry.npmmirror.com/json-schema-traverse/download/json-schema-traverse-0.4.1.tgz",
-      "integrity": "sha1-afaofZUTq4u4/mO9sJecRI5oRmA=",
-      "dev": true
+      "integrity": "sha1-afaofZUTq4u4/mO9sJecRI5oRmA="
     },
     "json-schema-typed": {
       "version": "7.0.3",
@@ -34742,8 +34858,7 @@
     "json-stringify-safe": {
       "version": "5.0.1",
       "resolved": "https://registry.npmmirror.com/json-stringify-safe/download/json-stringify-safe-5.0.1.tgz",
-      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
-      "dev": true
+      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
     },
     "json-text-sequence": {
       "version": "0.1.1",
@@ -34810,7 +34925,6 @@
       "version": "1.4.2",
       "resolved": "https://registry.npmmirror.com/jsprim/download/jsprim-1.4.2.tgz",
       "integrity": "sha512-P2bSOMAc/ciLz6DzgjVlGJP9+BrJWu5UDGK70C2iweC5QBIeFf0ZXRvGjEj2uYgrY2MkAAhsSWHDWlFtEroZWw==",
-      "dev": true,
       "requires": {
         "assert-plus": "1.0.0",
         "extsprintf": "1.3.0",
@@ -36041,14 +36155,12 @@
     "mime-db": {
       "version": "1.51.0",
       "resolved": "https://registry.npmmirror.com/mime-db/download/mime-db-1.51.0.tgz?cache=0&sync_timestamp=1636426011488&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fmime-db%2Fdownload%2Fmime-db-1.51.0.tgz",
-      "integrity": "sha512-5y8A56jg7XVQx2mbv1lu49NR4dokRnhZYTtL+KGfaa27uq4pSTXkwQkFJl4pkRMyNFz/EtYDSkiiEHx3F7UN6g==",
-      "dev": true
+      "integrity": "sha512-5y8A56jg7XVQx2mbv1lu49NR4dokRnhZYTtL+KGfaa27uq4pSTXkwQkFJl4pkRMyNFz/EtYDSkiiEHx3F7UN6g=="
     },
     "mime-types": {
       "version": "2.1.34",
       "resolved": "https://registry.npmmirror.com/mime-types/download/mime-types-2.1.34.tgz?cache=0&sync_timestamp=1636432808076&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fmime-types%2Fdownload%2Fmime-types-2.1.34.tgz",
       "integrity": "sha512-6cP692WwGIs9XXdOO4++N+7qjqv0rqxxVvJ3VHPh/Sc9mVZcQP+ZGhkKiTvWMQRr2tbHkJP/Yn7Y0npb3ZBs4A==",
-      "dev": true,
       "requires": {
         "mime-db": "1.51.0"
       }
@@ -36152,8 +36264,7 @@
     "mkdirp": {
       "version": "1.0.4",
       "resolved": "https://registry.npmmirror.com/mkdirp/download/mkdirp-1.0.4.tgz",
-      "integrity": "sha1-PrXtYmInVteaXw4qIh3+utdcL34=",
-      "dev": true
+      "integrity": "sha1-PrXtYmInVteaXw4qIh3+utdcL34="
     },
     "mkdirp-promise": {
       "version": "5.0.1",
@@ -37385,8 +37496,7 @@
     "oauth-sign": {
       "version": "0.9.0",
       "resolved": "https://registry.npmmirror.com/oauth-sign/download/oauth-sign-0.9.0.tgz",
-      "integrity": "sha1-R6ewFrqmi1+g7PPe4IqFxnmsZFU=",
-      "dev": true
+      "integrity": "sha1-R6ewFrqmi1+g7PPe4IqFxnmsZFU="
     },
     "object-assign": {
       "version": "4.1.1",
@@ -37895,8 +38005,7 @@
     "path-exists": {
       "version": "3.0.0",
       "resolved": "https://registry.npmmirror.com/path-exists/download/path-exists-3.0.0.tgz",
-      "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
-      "dev": true
+      "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU="
     },
     "path-is-absolute": {
       "version": "1.0.1",
@@ -38089,8 +38198,7 @@
     "performance-now": {
       "version": "2.1.0",
       "resolved": "https://registry.npmmirror.com/performance-now/download/performance-now-2.1.0.tgz",
-      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
-      "dev": true
+      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
     "picocolors": {
       "version": "1.0.0",
@@ -39071,8 +39179,7 @@
     "psl": {
       "version": "1.8.0",
       "resolved": "https://registry.npmmirror.com/psl/download/psl-1.8.0.tgz",
-      "integrity": "sha1-kyb4vPsBOtzABf3/BWrM4CDlHCQ=",
-      "dev": true
+      "integrity": "sha1-kyb4vPsBOtzABf3/BWrM4CDlHCQ="
     },
     "public-encrypt": {
       "version": "4.0.3",
@@ -39101,8 +39208,7 @@
     "punycode": {
       "version": "2.1.1",
       "resolved": "https://registry.npmmirror.com/punycode/download/punycode-2.1.1.tgz",
-      "integrity": "sha1-tYsBCsQMIsVldhbI0sLALHv0eew=",
-      "dev": true
+      "integrity": "sha1-tYsBCsQMIsVldhbI0sLALHv0eew="
     },
     "pure-rand": {
       "version": "5.0.0",
@@ -39455,7 +39561,6 @@
       "version": "2.88.2",
       "resolved": "https://registry.npmmirror.com/request/download/request-2.88.2.tgz",
       "integrity": "sha1-1zyRhzHLWofaBH4gcjQUb2ZNErM=",
-      "dev": true,
       "requires": {
         "aws-sign2": "~0.7.0",
         "aws4": "^1.8.0",
@@ -39482,14 +39587,12 @@
         "qs": {
           "version": "6.5.2",
           "resolved": "https://registry.npmmirror.com/qs/download/qs-6.5.2.tgz",
-          "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
-          "dev": true
+          "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
         },
         "uuid": {
           "version": "3.4.0",
           "resolved": "https://registry.npmmirror.com/uuid/download/uuid-3.4.0.tgz",
-          "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
-          "dev": true
+          "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
         }
       }
     },
@@ -39766,8 +39869,7 @@
     "safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmmirror.com/safe-buffer/download/safe-buffer-5.2.1.tgz",
-      "integrity": "sha1-Hq+fqb2x/dTsdfWPnNtOa3gn7sY=",
-      "dev": true
+      "integrity": "sha1-Hq+fqb2x/dTsdfWPnNtOa3gn7sY="
     },
     "safe-event-emitter": {
       "version": "1.0.1",
@@ -39791,8 +39893,7 @@
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmmirror.com/safer-buffer/download/safer-buffer-2.1.2.tgz",
-      "integrity": "sha1-RPoWGwGHuVSd2Eu5GAL5vYOFzWo=",
-      "dev": true
+      "integrity": "sha1-RPoWGwGHuVSd2Eu5GAL5vYOFzWo="
     },
     "sax": {
       "version": "1.2.4",
@@ -40548,7 +40649,6 @@
       "version": "1.16.1",
       "resolved": "https://registry.npmmirror.com/sshpk/download/sshpk-1.16.1.tgz",
       "integrity": "sha1-+2YcC+8ps520B2nuOfpwCT1vaHc=",
-      "dev": true,
       "requires": {
         "asn1": "~0.2.3",
         "assert-plus": "^1.0.0",
@@ -41360,7 +41460,6 @@
       "version": "2.5.0",
       "resolved": "https://registry.npmmirror.com/tough-cookie/download/tough-cookie-2.5.0.tgz?cache=0&sync_timestamp=1632753998762&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Ftough-cookie%2Fdownload%2Ftough-cookie-2.5.0.tgz",
       "integrity": "sha1-zZ+yoKodWhK0c72fuW+j3P9lreI=",
-      "dev": true,
       "requires": {
         "psl": "^1.1.28",
         "punycode": "^2.1.1"
@@ -41396,6 +41495,18 @@
         "original-require": "^1.0.1"
       }
     },
+    "truffle-flattener": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/truffle-flattener/-/truffle-flattener-1.6.0.tgz",
+      "integrity": "sha512-scS5Bsi4CZyvlrmD4iQcLHTiG2RQFUXVheTgWeH6PuafmI+Lk5U87Es98loM3w3ImqC9/fPHq+3QIXbcPuoJ1Q==",
+      "requires": {
+        "@resolver-engine/imports-fs": "^0.2.2",
+        "@solidity-parser/parser": "^0.14.1",
+        "find-up": "^2.1.0",
+        "mkdirp": "^1.0.4",
+        "tsort": "0.0.1"
+      }
+    },
     "truffle-plugin-stdjsonin": {
       "version": "git+ssh://git@github.com/mhrsalehi/truffle-plugin-stdjsonin.git#0ddb4110de7e14b2242f7467600d1ac149e2c460",
       "dev": true,
@@ -41459,6 +41570,11 @@
       "integrity": "sha1-6KM1rdXOrlGqJh0ypJAVjvBC7wE=",
       "dev": true
     },
+    "tsort": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/tsort/-/tsort-0.0.1.tgz",
+      "integrity": "sha512-Tyrf5mxF8Ofs1tNoxA13lFeZ2Zrbd6cKbuH3V+MQ5sb6DtBj5FjrXVsRWT8YvNAQTqNoz66dz1WsbigI22aEnw=="
+    },
     "tty-browserify": {
       "version": "0.0.0",
       "resolved": "https://registry.npmmirror.com/tty-browserify/download/tty-browserify-0.0.0.tgz",
@@ -41475,7 +41591,6 @@
       "version": "0.6.0",
       "resolved": "https://registry.npmmirror.com/tunnel-agent/download/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
-      "dev": true,
       "requires": {
         "safe-buffer": "^5.0.1"
       }
@@ -41483,8 +41598,7 @@
     "tweetnacl": {
       "version": "0.14.5",
       "resolved": "https://registry.npmmirror.com/tweetnacl/download/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "dev": true
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
     },
     "tweetnacl-util": {
       "version": "0.15.1",
@@ -41836,7 +41950,6 @@
       "version": "4.4.1",
       "resolved": "https://registry.npmmirror.com/uri-js/download/uri-js-4.4.1.tgz",
       "integrity": "sha1-mxpSWVIlhZ5V9mnZKPiMbFfyp34=",
-      "dev": true,
       "requires": {
         "punycode": "^2.1.0"
       }
@@ -42012,7 +42125,6 @@
       "version": "1.10.0",
       "resolved": "https://registry.npmmirror.com/verror/download/verror-1.10.0.tgz?cache=0&sync_timestamp=1635885230540&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fverror%2Fdownload%2Fverror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
-      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
diff --git a/package.json b/package.json
index 1215682..ec1b2e5 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
   },
   "dependencies": {
     "@openzeppelin/contracts": "^4.5.0",
-    "fs-jetpack": "^5.1.0"
+    "fs-jetpack": "^5.1.0",
+    "truffle-flattener": "^1.6.0"
   }
 }
diff --git a/single.sol b/single.sol
new file mode 100644
index 0000000..45f9f08
Binary files /dev/null and b/single.sol differ
diff --git a/truffle-config.js b/truffle-config.js
index 20b9f71..b1fea6a 100644
--- a/truffle-config.js
+++ b/truffle-config.js
@@ -158,8 +158,8 @@ module.exports = {
       production: true,
       disableConfirmationListener: true,
       from: arbOneAddr,
-      gas: 10000000,           // Gas sent with each transaction (default: ~6700000)
-      gasPrice: 500000000,  // 20 gwei (in wei) (default: 100 gwei)
+      gas: 1000000,           // Gas sent with each transaction (default: ~6700000)
+      gasPrice: 5000000000,  // 20 gwei (in wei) (default: 100 gwei)
     },
     kcc_testnet: {
       provider: () =>