fix breaking change on null or undefined wallet (#2303)

Co-authored-by: henrye <henry@notanemail>
coral-xyz · Dec 6, 2022 · 1bb1969 · 1bb1969 · vercel · Dec 6, 2022
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -41,6 +41,7 @@ The minor version will be incremented upon a breaking change and the patch versi
 - ts: Update seeds inference to allow nested user defined structs within the seeds ([#2198](https://github.com/coral-xyz/anchor/pull/2198))
 - event: Fix multiple event listeners with the same name. ([#2165](https://github.com/coral-xyz/anchor/pull/2165))
 - lang: Prevent the payer account from being initialized as a program account. ([#2284](https://github.com/coral-xyz/anchor/pull/2284))
+- ts: Fixing breaking change where null or undefined wallet throws an error. ([#2303](https://github.com/coral-xyz/anchor/pull/2303))
 
 ### Breaking
 

diff --git a/ts/packages/anchor/src/provider.ts b/ts/packages/anchor/src/provider.ts
@@ -60,7 +60,7 @@ export class AnchorProvider implements Provider {
     readonly wallet: Wallet,
     readonly opts: ConfirmOptions
   ) {
-    this.publicKey = wallet.publicKey;
+    this.publicKey = wallet?.publicKey;
   }
 
   static defaultOptions(): ConfirmOptions {