Correct type of replacementBlockhash in simulateTransaction (#3454)

* Correct type of replacementBlockhash in simulateTransaction * Add changeset
solana-labs · Oct 29, 2024 · 1fde4b1 · 1fde4b1
1 parent d4965ec
commit 1fde4b1
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diff --git a/.changeset/little-zebras-guess.md b/.changeset/little-zebras-guess.md
@@ -0,0 +1,5 @@
+---
+'@solana/rpc-api': patch
+---
+
+Correct type of replacementBlockhash in simulateTransaction
diff --git a/packages/rpc-api/src/simulateTransaction.ts b/packages/rpc-api/src/simulateTransaction.ts
@@ -6,15 +6,14 @@ import type {
     AccountInfoWithJsonData,
     Base58EncodedBytes,
     Base64EncodedDataResponse,
-    Blockhash,
     Commitment,
     Slot,
     SolanaRpcResponse,
     TransactionError,
     TransactionForFullMetaInnerInstructionsParsed,
     TransactionForFullMetaInnerInstructionsUnparsed,
 } from '@solana/rpc-types';
-import type { Base64EncodedWireTransaction } from '@solana/transactions';
+import type { Base64EncodedWireTransaction, TransactionBlockhashLifetime } from '@solana/transactions';
 
 type SimulateTransactionConfigBase = Readonly<{
     /**
@@ -94,7 +93,7 @@ type SimulateTransactionApiResponseBase = Readonly<{
     // `replacementBlockhash` only appears on the return type when `replaceRecentBlockhash` is set
     // to `true` in the call to `simulateTransaction`.
     /** The blockhash that was used to simulate the transaction when `replaceRecentBlockhash` is `true` */
-    replacementBlockhash?: Blockhash;
+    replacementBlockhash?: TransactionBlockhashLifetime;
     /** The most-recent return data generated by an instruction in the transaction */
     returnData: Readonly<{
         /** The return data itself, as base-64 encoded binary data */