Files
solana/programs/move_loader/src/error_mappers.rs
2020-04-01 09:01:11 -07:00

48 lines
1.7 KiB
Rust

//! Mapping functions to Instruction errors
use log::*;
use solana_sdk::instruction::InstructionError;
use std::convert::TryInto;
use types::vm_error::{StatusCode, VMStatus};
use vm::file_format::CompiledModule;
#[allow(clippy::needless_pass_by_value)]
pub fn map_data_error(err: std::boxed::Box<bincode::ErrorKind>) -> InstructionError {
debug!("Error: Account data: {:?}", err);
match err.as_ref() {
bincode::ErrorKind::SizeLimit => InstructionError::AccountDataTooSmall,
_ => InstructionError::InvalidAccountData,
}
}
#[allow(clippy::needless_pass_by_value)]
pub fn map_json_error(err: serde_json::error::Error) -> InstructionError {
debug!("Error: serde_json: {:?}", err);
InstructionError::InvalidAccountData
}
pub fn map_vm_verification_error(err: (CompiledModule, Vec<VMStatus>)) -> InstructionError {
debug!("Error: Script verification failed: {:?}", err.1);
InstructionError::InvalidInstructionData
}
#[allow(clippy::needless_pass_by_value)]
pub fn missing_account() -> InstructionError {
debug!("Error: Missing account");
InstructionError::InvalidAccountData
}
pub fn map_failure_error(err: failure::Error) -> InstructionError {
debug!("Error: Script verification failed: {:?}", err);
InstructionError::InvalidInstructionData
}
pub fn map_err_vm_status(status: VMStatus) -> InstructionError {
// Attempt to map the StatusCode (repr(u64)) to a u32 for Custom.
// The only defined StatusCode that fails is StatusCode::UNKNOWN_ERROR
match <StatusCode as Into<u64>>::into(status.major_status).try_into() {
Ok(u) => InstructionError::Custom(u),
Err(_) => InstructionError::InvalidError,
}
}