From 410b2688971298402362fbbf36007007f80516d0 Mon Sep 17 00:00:00 2001
From: Ram Bhaskar <ram@alchemy.com>
Date: Thu, 30 Nov 2023 11:32:12 -0500
Subject: [PATCH] =?UTF-8?q?feat(opt-base-sepolia):=20adding=20support=20fo?=
 =?UTF-8?q?r=20sepolia=20networks=20on=20opt=20an=E2=80=A6=20(#394)?=
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* feat(opt-base-sepolia): adding support for sepolia networks on opt and base

* add changelog
---
 CHANGELOG.md       |  6 ++++++
 README.md          |  4 ++--
 docs-md/README.md  |  4 ++--
 src/types/types.ts |  4 +++-
 src/util/const.ts  | 12 +++++++++++-
 5 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b5745bb..cc55ca3c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@
 
 ### Major Changes
 
+## 3.1.0
+
+### Major Changes
+
+- Added support for Optimism Sepolia and Base Sepolia via the `Network.OPT_SEPOLIA` and `Network.BASE_SEPOLIA` enums.
+
 ### Minor Changes
 
 ## 3.0.0
diff --git a/README.md b/README.md
index 6450a3d7..3d46ee59 100644
--- a/README.md
+++ b/README.md
@@ -14,11 +14,11 @@ The SDK currently supports the following chains:
 
 - **Ethereum**: Mainnet, Goerli, Sepolia
 - **Polygon**: Mainnet, Mumbai
-- **Optimism**: Mainnet, Goerli, Kovan
+- **Optimism**: Mainnet, Goerli, Kovan, Sepolia
 - **Arbitrum**: Mainnet, Goerli, Rinkeby, Sepolia
 - **Astar**: Mainnet
 - **PolygonZKEVM**: Mainnet, Testnet
-- **Base**: Mainnet, Goerli
+- **Base**: Mainnet, Goerli, Sepolia
 
 You can find per-method documentation of the Alchemy SDK endpoints at the [Alchemy Docs linked in the sidebar](https://docs.alchemy.com/reference/alchemy-sdk-quickstart).
 
diff --git a/docs-md/README.md b/docs-md/README.md
index c5ebfb3e..76e989a2 100644
--- a/docs-md/README.md
+++ b/docs-md/README.md
@@ -16,11 +16,11 @@ The SDK currently supports the following chains:
 
 - **Ethereum**: Mainnet, Goerli, Sepolia
 - **Polygon**: Mainnet, Mumbai
-- **Optimism**: Mainnet, Goerli, Kovan
+- **Optimism**: Mainnet, Goerli, Kovan, Sepolia
 - **Arbitrum**: Mainnet, Goerli, Rinkeby, Sepolia
 - **Astar**: Mainnet
 - **PolygonZKEVM**: Mainnet, Testnet
-- **Base**: Mainnet, Goerli
+- **Base**: Mainnet, Goerli, Sepolia
 
 You can find per-method documentation of the Alchemy SDK endpoints at the [Alchemy Docs linked in the sidebar](https://docs.alchemy.com/reference/alchemy-sdk-quickstart).
 
diff --git a/src/types/types.ts b/src/types/types.ts
index bea9b7b5..15b612c9 100644
--- a/src/types/types.ts
+++ b/src/types/types.ts
@@ -84,6 +84,7 @@ export enum Network {
   ETH_SEPOLIA = 'eth-sepolia',
   OPT_MAINNET = 'opt-mainnet',
   OPT_GOERLI = 'opt-goerli',
+  OPT_SEPOLIA = 'opt-sepolia',
   ARB_MAINNET = 'arb-mainnet',
   ARB_GOERLI = 'arb-goerli',
   ARB_SEPOLIA = 'arb-sepolia',
@@ -93,7 +94,8 @@ export enum Network {
   POLYGONZKEVM_MAINNET = 'polygonzkevm-mainnet',
   POLYGONZKEVM_TESTNET = 'polygonzkevm-testnet',
   BASE_MAINNET = 'base-mainnet',
-  BASE_GOERLI = 'base-goerli'
+  BASE_GOERLI = 'base-goerli',
+  BASE_SEPOLIA = 'base-sepolia'
 }
 
 /** Token Types for the `getTokenBalances()` endpoint. */
diff --git a/src/util/const.ts b/src/util/const.ts
index 8478df96..4fb4d52c 100644
--- a/src/util/const.ts
+++ b/src/util/const.ts
@@ -45,6 +45,7 @@ export const EthersNetwork = {
   [Network.ETH_SEPOLIA]: 'sepolia',
   [Network.OPT_MAINNET]: 'optimism',
   [Network.OPT_GOERLI]: 'optimism-goerli',
+  [Network.OPT_SEPOLIA]: 'optimism-sepolia',
   [Network.ARB_MAINNET]: 'arbitrum',
   [Network.ARB_GOERLI]: 'arbitrum-goerli',
   [Network.ARB_SEPOLIA]: 'arbitrum-sepolia',
@@ -54,7 +55,8 @@ export const EthersNetwork = {
   [Network.POLYGONZKEVM_MAINNET]: 'polygonzkevm-mainnet',
   [Network.POLYGONZKEVM_TESTNET]: 'polygonzkevm-testnet',
   [Network.BASE_MAINNET]: 'base-mainnet',
-  [Network.BASE_GOERLI]: 'base-goerli'
+  [Network.BASE_GOERLI]: 'base-goerli',
+  [Network.BASE_SEPOLIA]: 'base-sepolia'
 };
 
 /**
@@ -79,6 +81,10 @@ export const CustomNetworks: { [key: string]: NetworkFromEthers } = {
     chainId: 11155111,
     name: 'sepolia'
   },
+  'optimism-sepolia': {
+    chainId: 11155420,
+    name: 'optimism-sepolia'
+  },
   'polygonzkevm-mainnet': {
     chainId: 1101,
     name: 'polygonzkevm-mainnet'
@@ -94,6 +100,10 @@ export const CustomNetworks: { [key: string]: NetworkFromEthers } = {
   'base-goerli': {
     chainId: 84531,
     name: 'base-goerli'
+  },
+  'base-sepolia': {
+    chainId: 84532,
+    name: 'base-sepolia'
   }
 };