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Facilitate printing program errors from BPF programs (#8109)

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This commit is contained in:
Jack May
2020-02-04 09:03:45 -08:00
committed by GitHub
parent 79249360f7
commit 4e595e8e3c
3 changed files with 85 additions and 19 deletions
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10
programs/bpf/Cargo.lock generated
View File

@ -2155,7 +2155,7 @@ dependencies = [
"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
"reqwest 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
"solana-sdk 0.24.0",
"sys-info 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
"sys-info 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
@ -2163,7 +2163,7 @@ name = "solana-rayon-threadlimit"
version = "0.24.0"
dependencies = [
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"sys-info 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
"sys-info 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
@ -2194,7 +2194,7 @@ dependencies = [
"solana-stake-program 0.24.0",
"solana-storage-program 0.24.0",
"solana-vote-program 0.24.0",
"sys-info 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
"sys-info 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
"tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -2398,7 +2398,7 @@ dependencies = [
[[package]]
name = "sys-info"
version = "0.5.8"
version = "0.5.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
@ -3271,7 +3271,7 @@ dependencies = [
"checksum syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "66850e97125af79138385e9b88339cbcd037e3f28ceab8c5ad98e64f0f1f80bf"
"checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
"checksum synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "02353edf96d6e4dc81aea2d8490a7e9db177bf8acb0e951c24940bf866cb313f"
"checksum sys-info 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)" = "0079fe39cec2c8215e21b0bc4ccec9031004c160b88358f531b601e96b77f0df"
"checksum sys-info 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)" = "d4eff5474e55653c77b4470bdc2278c7e22f942d59658d0e8767d1c97e02a7b9"
"checksum tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
"checksum termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "96d6098003bde162e4277c70665bd87c326f5a0c3f3fbfb285787fa482d54e6e"
"checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"

26
programs/bpf/rust/error_handling/src/lib.rs
View File

@ -2,8 +2,14 @@
extern crate solana_sdk;
use num_derive::FromPrimitive;
use num_traits::FromPrimitive;
use solana_sdk::{
account_info::AccountInfo, entrypoint, info, program_error::ProgramError, pubkey::Pubkey,
account_info::AccountInfo,
entrypoint, info,
instruction_processor_utils::DecodeError,
program_error::{PrintProgramError, ProgramError},
pubkey::Pubkey,
};
use thiserror::Error;
@ -20,6 +26,22 @@ impl From<MyError> for ProgramError {
ProgramError::CustomError(e as u32)
}
}
impl<T> DecodeError<T> for MyError {
fn type_of() -> &'static str {
"MyError"
}
}
impl PrintProgramError for MyError {
fn print<E>(&self)
where
E: 'static + std::error::Error + DecodeError<E> + PrintProgramError + FromPrimitive,
{
match self {
MyError::DefaultEnumStart => info!("Error: Default enum start"),
MyError::TheAnswer => info!("Error: The Answer"),
}
}
}
entrypoint!(process_instruction);
fn process_instruction(
@ -27,6 +49,8 @@ fn process_instruction(
accounts: &[AccountInfo],
instruction_data: &[u8],
) -> Result<(), ProgramError> {
ProgramError::CustomError(42).print::<MyError>();
match instruction_data[0] {
1 => {
info!("return success");