diff --git a/.eslintrc.json b/.eslintrc.json
index 938fd065..55273515 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,6 +1,10 @@
 {
   "root": true,
   "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "project": "./tsconfig.eslint.json",
+    "tsconfigRootDir": "./"
+  },
   "env": { "es6": true },
   "ignorePatterns": ["node_modules", "build", "coverage", "test", "jest.config.js", "tmp"],
   "plugins": ["import", "eslint-comments"],
diff --git a/src/lib/classes/lsp7-digtal-asset.spec.ts b/src/lib/classes/lsp7-digtal-asset.spec.ts
index b8c1c3bc..8814ba0f 100644
--- a/src/lib/classes/lsp7-digtal-asset.spec.ts
+++ b/src/lib/classes/lsp7-digtal-asset.spec.ts
@@ -1,6 +1,5 @@
 import { SignerWithAddress } from '@nomiclabs/hardhat-ethers/signers';
 import { providers } from 'ethers';
-/// reference types="@nomiclabs/hardhat-ethers/internal/type-extensions.d.ts" />
 import { ethers } from 'hardhat';
 
 import {
diff --git a/src/lib/lsp-factory.ts b/src/lib/lsp-factory.ts
index 5e5aa241..6e5e73bf 100644
--- a/src/lib/lsp-factory.ts
+++ b/src/lib/lsp-factory.ts
@@ -57,6 +57,8 @@ export class LSPFactory {
       provider = new ethers.providers.Web3Provider(rpcUrlOrProvider);
     } else if (typeof rpcUrlOrProvider !== 'string') {
       provider = rpcUrlOrProvider as providers.Web3Provider | providers.JsonRpcProvider;
+    } else {
+      throw new Error('Invalid provider');
     }
 
     if (!uploadProvider && privateKeyOrSigner && typeof privateKeyOrSigner === 'function') {
@@ -80,18 +82,21 @@ export class LSPFactory {
         signer = provider.getSigner();
       }
     }
-    const finishInit: Promise<void> = chainId
-      ? Promise.resolve()
-      : this.options.provider.getNetwork().then((network) => {
-          this.options.chainId = network.chainId;
-        });
     this.options = {
       signer,
       provider,
       uploadProvider,
       chainId,
-      finishInit,
+      finishInit: Promise.resolve(),
     };
+    // Must come after because this.options will otherwise be undefined,
+    // but finishInit needs to have a value before we can create this.options.
+    // The egg came first.
+    this.options.finishInit = chainId
+      ? Promise.resolve()
+      : this.options.provider.getNetwork().then((network) => {
+          this.options.chainId = network.chainId;
+        });
 
     this.UniversalProfile = new UniversalProfile(this.options);
     this.LSP4DigitalAssetMetadata = new LSP4DigitalAssetMetadata(this.options);
diff --git a/tsconfig.eslint.json b/tsconfig.eslint.json
new file mode 100644
index 00000000..ad3176dd
--- /dev/null
+++ b/tsconfig.eslint.json
@@ -0,0 +1,48 @@
+{
+  "compilerOptions": {
+    "incremental": true,
+    "target": "es2020",
+    "outDir": "build/main",
+    "rootDir": ".",
+    "moduleResolution": "node",
+    "module": "commonjs",
+    "declaration": true,
+    "inlineSourceMap": true,
+    "sourceMap": false,
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+    "resolveJsonModule": true /* Include modules imported with .json extension. */,
+
+    // "strict": true /* Enable all strict type-checking options. */,
+
+    /* Strict Type-Checking Options */
+    // "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
+    // "strictNullChecks": true /* Enable strict null checks. */,
+    // "strictFunctionTypes": true /* Enable strict checking of function types. */,
+    // "strictPropertyInitialization": true /* Enable strict checking of property initialization in classes. */,
+    // "noImplicitThis": true /* Raise error on 'this' expressions with an implied 'any' type. */,
+    // "alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */,
+
+    /* Additional Checks */
+    "noUnusedLocals": false /* Report errors on unused locals. */,
+    "noUnusedParameters": true /* Report errors on unused parameters. */,
+    "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
+    "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,
+
+    /* Debugging Options */
+    "traceResolution": false /* Report module resolution log messages. */,
+    "listEmittedFiles": false /* Print names of generated files part of the compilation. */,
+    "listFiles": false /* Print names of files part of the compilation. */,
+    "pretty": true /* Stylize errors and messages using color and context. */,
+
+    /* Experimental Options */
+    // "experimentalDecorators": true /* Enables experimental support for ES7 decorators. */,
+    // "emitDecoratorMetadata": true /* Enables experimental support for emitting type metadata for decorators. */,
+
+    "lib": ["es2017", "dom"],
+    "types": ["node", "jest", "@nomiclabs/hardhat-ethers"],
+    "typeRoots": ["node_modules/@types", "types"]
+  },
+  "include": ["src/**/*.ts", "types/ethers-v5/**/*.ts"],
+  "exclude": ["node_modules/**"],
+  "compileOnSave": false
+}