fix(env): drop support for most env variables messing up

.env

@@ -1,3 +1,3 @@
 # Local env vars for debugging
 TS_NODE_IGNORE="false"
-TS_NODE_FILES="true"
+TS_NODE_FILES="true"

src/cli.ts

@@ -3,7 +3,6 @@ import colors from "colors/safe";
 import commandLineArgs from "command-line-args";
 import commandLineUsage from "command-line-usage";
 import dotenv from "dotenv";
-import { ethers } from "ethers";
 import fs from "fs";
 import path from "path";
 

src/etherscan.ts

@@ -1,6 +1,4 @@
 export const getEtherscanBaseUrl = (chainId: number) => {
-  if (process.env.ETHERSCAN_BASE_URL) return process.env.ETHERSCAN_BASE_URL;
-
   switch (chainId) {
     case 1:
       return "https://api.etherscan.io";
@@ -51,18 +49,16 @@ export const getEtherscanBaseUrl = (chainId: number) => {
 export const getEtherscanUrl = (
   chainId: number,
   module: string,
-  params: Record<string, string>,
-  apiKey?: string
+  params: Record<string, string | undefined | null>
 ) => {
-  apiKey ??= process.env.ETHERSCAN_API_KEY || "";
+  params["apiKey"] ??= process.env.ETHERSCAN_API_KEY || "";
 
   const query = Object.keys(params).reduce((accum, key) => {
     const value = params[key];
-    if (value != null) {
-      accum += `&${key}=${value}`;
-    }
+    if (value != null) accum += `&${key}=${value}`;
+
     return accum;
   }, "");
 
-  return `${getEtherscanBaseUrl(chainId)}/api?module=${module}${query}${apiKey}`;
+  return `${getEtherscanBaseUrl(chainId)}/api?module=${module}${query}`;
 };

src/fetch.ts

@@ -13,23 +13,21 @@ import { Config, EtherscanSourceCodeResponse, isEtherscanError } from "./types";
 
 export const fetchAbiAt = async (
   address: string,
-  { rpcUrl, network, apiKey, provider }: Config
+  { provider, rpcUrl, network, apiKey }: Config
 ) => {
   let chainId: number = 1;
 
   if (!provider && !rpcUrl) {
-    network ??= process.env.NETWORK || "mainnet";
+    network ??= "mainnet";
 
     chainId = ethers.utils.isHexString(network)
       ? parseInt(network, 16)
       : /^\d+$/.test(network)
       ? Number(network)
       : chainIds[network.toLowerCase()];
 
-    rpcUrl ??=
-      process.env.RPC_URL ||
-      // @ts-ignore
-      rpcs[chainId.toString()]?.rpcs[0];
+    // @ts-ignore
+    rpcUrl ??= rpcs[chainId.toString()]?.rpcs[0];
   }
 
   if (provider || rpcUrl) {
@@ -45,15 +43,11 @@ export const fetchAbiAt = async (
   }
 
   const { data } = await axios.get<EtherscanSourceCodeResponse>(
-    getEtherscanUrl(
-      chainId,
-      "contract",
-      {
-        action: "getsourcecode",
-        address,
-      },
-      apiKey
-    )
+    getEtherscanUrl(chainId, "contract", {
+      action: "getsourcecode",
+      address,
+      apiKey,
+    })
   );
   if (isEtherscanError(data)) throw new Error(data.result);