chore: add DataEdge contracts

Author: Maikol

packages/data-edge/.env.sample

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+MNEMONIC=
+INFURA_KEY=
+ETHERSCAN_API_KEY=
+ARBISCAN_API_KEY=

packages/data-edge/.eslintignore

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+build/
+cache/
+dist/
+node_modules/
+reports/

packages/data-edge/.eslintrc

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+{
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 2020,
+    "sourceType": "module"
+  },
+  "extends": ["plugin:@typescript-eslint/recommended", "plugin:prettier/recommended"],
+  "rules": {
+    "prefer-const": "warn",
+    "no-extra-semi": "off",
+    "@typescript-eslint/no-extra-semi": "warn",
+    "@typescript-eslint/no-inferrable-types": "warn",
+    "@typescript-eslint/no-empty-function": "warn"
+  }
+}

packages/data-edge/.gitattributes

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+*.sol linguist-language=Solidity

packages/data-edge/.husky/commit-msg

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+#!/bin/sh
+cd packages/contracts
+
+npx --no-install commitlint --edit ""

packages/data-edge/.husky/pre-commit

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+#!/bin/sh
+cd packages/contracts
+
+yarn lint

packages/data-edge/.prettierignore

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+{
+  "printWidth": 120,
+  "useTabs": false,
+  "bracketSpacing": true,
+  "overrides": [
+    {
+      "files": "*.js",
+      "options": {
+        "semi": false,
+        "trailingComma": "all",
+        "tabWidth": 2,
+        "singleQuote": true,
+        "explicitTypes": "always"
+      }
+    },
+    {
+      "files": "*.ts",
+      "options": {
+        "semi": false,
+        "trailingComma": "all",
+        "tabWidth": 2,
+        "singleQuote": true,
+        "explicitTypes": "always"
+      }
+    },
+    {
+      "files": "*.sol",
+      "options": {
+        "tabWidth": 4,
+        "singleQuote": false,
+        "explicitTypes": "always"
+      }
+    }
+  ]
+}

packages/data-edge/.prettierrc.json

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+const skipFiles = ['']
+
+module.exports = {
+  providerOptions: {
+    mnemonic: 'myth like bonus scare over problem client lizard pioneer submit female collect',
+    network_id: 1337,
+  },
+  skipFiles,
+  istanbulFolder: './reports/coverage',
+}

packages/data-edge/.solcover.js

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+{
+  "extends": "solhint:recommended",
+  "plugins": ["prettier"],
+  "rules": {
+    "prettier/prettier": "error",
+    "func-visibility": ["warn", { "ignoreConstructors": true }],
+    "compiler-version": ["off"],
+    "constructor-syntax": "warn",
+    "quotes": ["error", "double"],
+    "reason-string": ["off"],
+    "not-rely-on-time": "off",
+    "no-empty-blocks": "off"
+  }
+}
+