common: Arbitrum One support (#2426)

* Add `ArbitrumOne` to `enums.ts` * Add `ArbitrumOne` check to `static custom` method of `Common` class
ethereumjs · Nov 18, 2022 · 161a402 · 161a402
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commit 161a402
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diff --git a/packages/common/src/common.ts b/packages/common/src/common.ts
@@ -120,6 +120,16 @@ export class Common extends EventEmitter {
           opts
         )
       }
+      if (chainParamsOrName === CustomChain.ArbitrumOne) {
+        return Common.custom(
+          {
+            name: CustomChain.ArbitrumOne,
+            chainId: 42161,
+            networkId: 42161,
+          },
+          opts
+        )
+      }
       if (chainParamsOrName === CustomChain.xDaiChain) {
         return Common.custom(
           {

diff --git a/packages/common/src/enums.ts b/packages/common/src/enums.ts
@@ -60,6 +60,13 @@ export enum CustomChain {
    */
   ArbitrumRinkebyTestnet = 'arbitrum-rinkeby-testnet',
 
+  /**
+   * Arbitrum One - mainnet for Arbitrum roll-up
+   *
+   * - [Documentation](https://developer.offchainlabs.com/public-chains)
+   */
+  ArbitrumOne = 'arbitrum-one',
+
   /**
    * xDai EVM sidechain with a native stable token
    *