add executable checks to verify_instruction (#5326)

2019-07-29 15:29:20 -07:00
parent 4e093525c7
commit 50a991fdf9
2 changed files with 128 additions and 26 deletions
--- a/sdk/src/instruction.rs
+++ b/sdk/src/instruction.rs
@ -61,6 +61,9 @@ pub enum InstructionError {
    /// An account was referenced more than once in a single instruction
    DuplicateAccountIndex,

+    /// Executable bit on account changed, but shouldn't have
+    ExecutableModified,
+
    /// CustomError allows on-chain programs to implement program-specific error types and see
    /// them returned by the Solana runtime. A CustomError may be any type that is represented
    /// as or serialized to a u32 integer.