[SDK] Fix ethers6 provider override (#6640)

Author: joaquim-verges

.changeset/solid-aliens-eat.md

@@ -0,0 +1,5 @@
+---
+"thirdweb": patch
+---
+
+Fix ethers6 provider override

packages/thirdweb/src/adapters/ethers6.ts

@@ -374,12 +374,10 @@ export function toEthersSigner(
 ): ethers6.Signer {
   class ThirdwebAdapterSigner extends ethers.AbstractSigner<ethers6.JsonRpcProvider> {
     private address: string;
-    override provider: ethers6.ethers.JsonRpcProvider;
 
     constructor(provider: ethers6.JsonRpcProvider, address: string) {
       super(provider);
       this.address = address;
-      this.provider = provider;
     }
 
     override async getAddress(): Promise<string> {

packages/thirdweb/src/utils/any-evm/zksync/constants.ts

@@ -3,7 +3,7 @@ export const ZKSYNC_SINGLETON_FACTORY =
 export const CONTRACT_DEPLOYER_ADDRESS =
   "0x0000000000000000000000000000000000008006" as const;
 export const KNOWN_CODES_STORAGE = "0x0000000000000000000000000000000000008004";
-export const PUBLISHED_PRIVATE_KEY = "";
+export const PUBLISHED_PRIVATE_KEY = process.env.ZKSYNC_PUBLISHED_PRIVATE_KEY;
 
 export const singletonFactoryAbi = [
   "function deploy(bytes32,bytes32,bytes) external payable",