refactor(experimental): sysvars package: instructions

This commit introduces the `Instructions` sysvar to the `@solana/sysvars` package. Note this sysvar does not exist on-chain, but can be provided to on-chain programs for information about the currently executing instruction.
solana-labs · Mar 14, 2024 · c835722 · c835722
1 parent 3e3cb89
commit c835722
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/packages/sysvars/src/__tests__/sysvar-test.ts b/packages/sysvars/src/__tests__/sysvar-test.ts
@@ -87,4 +87,5 @@ describe('sysvar account', () => {
             });
         });
     });
+    // `Instructions` does not exist on-chain.
 });
diff --git a/packages/sysvars/src/sysvar.ts b/packages/sysvars/src/sysvar.ts
@@ -18,12 +18,15 @@ export const SYSVAR_EPOCH_SCHEDULE_ADDRESS =
     'SysvarEpochSchedu1e111111111111111111111111' as Address<'SysvarEpochSchedu1e111111111111111111111111'>;
 export const SYSVAR_FEES_ADDRESS =
     'SysvarFees111111111111111111111111111111111' as Address<'SysvarFees111111111111111111111111111111111'>;
+export const SYSVAR_INSTRUCTIONS_ADDRESS =
+    'Sysvar1nstructions1111111111111111111111111' as Address<'Sysvar1nstructions1111111111111111111111111'>;
 
 type SysvarAddress =
     | typeof SYSVAR_CLOCK_ADDRESS
     | typeof SYSVAR_EPOCH_REWARDS_ADDRESS
     | typeof SYSVAR_EPOCH_SCHEDULE_ADDRESS
-    | typeof SYSVAR_FEES_ADDRESS;
+    | typeof SYSVAR_FEES_ADDRESS
+    | typeof SYSVAR_INSTRUCTIONS_ADDRESS;
 
 /**
  * Fetch an encoded sysvar account.
-Original file line number
+Diff line change
@@ Expand Up / @@ -87,4 +87,5 @@ describe('sysvar account', () => { @@
                 });
             });
         });
+        // `Instructions` does not exist on-chain.
     });