Move ProgramError into sdk/

sdk/src/native_program.rs

@@ -28,3 +28,24 @@ macro_rules! solana_entrypoint(
         }
     )
 );
+
+/// Reasons a program might have rejected an instruction.
+#[derive(Debug, PartialEq, Eq, Clone)]
+pub enum ProgramError {
+    /// Contract's transactions resulted in an account with a negative balance
+    /// The difference from InsufficientFundsForFee is that the transaction was executed by the
+    /// contract
+    ResultWithNegativeTokens,
+
+    /// The program returned an error
+    GenericError,
+
+    /// Program's instruction token balance does not equal the balance after the instruction
+    UnbalancedInstruction,
+
+    /// Program modified an account's program id
+    ModifiedProgramId,
+
+    /// Program spent the tokens of an account that doesn't belong to it
+    ExternalAccountTokenSpend,
+}