Merge pull request #35 from damianmarti/add-optimism-support

Add support for Optimism

Author: joshstevens19

README.md

@@ -28,6 +28,8 @@ ethereum-multicall is fully written in typescript so has full compile time suppo
 - fantom mainnet
 - cronos
 - harmony (shard 0)
+- optimism
+- kovanOptimism
 - custom network with your own instance of multicall deployed
 
 ## Installation
@@ -485,6 +487,8 @@ by default it looks at your network from the provider you passed in and makes th
 | fantom mainnet      | `0xD98e3dBE5950Ca8Ce5a4b59630a5652110403E5c` |
 | cronos              | `0x5e954f5972EC6BFc7dECd75779F10d848230345F` |
 | harmony             | `0x5c41f6817feeb65d7b2178b0b9cebfc8fad97969` |
+| optimism            | `0xeAa6877139d436Dc6d1f75F3aF15B74662617B2C` |
+| kovanOptimism       | `0x91c88479F21203444D2B20Aa001f951EC8CF2F68` |
 
 If you wanted this to point at a different multicall contract address just pass that in the options when creating the multicall instance, example:
 

src/enums/networks.ts

@@ -3,8 +3,10 @@ export enum Networks {
   ropsten = 3,
   rinkeby = 4,
   goerli = 5,
+  optimism = 10,
   kovan = 42,
   bsc = 56,
+  kovanOptimism = 69,
   bsc_testnet = 97,
   xdai = 100,
   matic = 137,

src/multicall.ts

@@ -549,6 +549,10 @@ export class Multicall {
         return '0x5e954f5972EC6BFc7dECd75779F10d848230345F';
       case Networks.harmony:
         return '0x5c41f6817feeb65d7b2178b0b9cebfc8fad97969';
+      case Networks.optimism:
+        return '0xeAa6877139d436Dc6d1f75F3aF15B74662617B2C';
+      case Networks.kovanOptimism:
+        return '0x91c88479F21203444D2B20Aa001f951EC8CF2F68';
       default:
         throw new Error(
           `Network - ${network} doesn't have a multicall contract address defined. Please check your network or deploy your own contract on it.`