use crate::{
extract_memos::{spl_memo_id_v1, spl_memo_id_v3},
parse_associated_token::{parse_associated_token, spl_associated_token_id_v1_0},
parse_bpf_loader::{parse_bpf_loader, parse_bpf_upgradeable_loader},
parse_stake::parse_stake,
parse_system::parse_system,
parse_token::parse_token,
parse_vote::parse_vote,
};
use inflector::Inflector;
use serde_json::Value;
use solana_account_decoder::parse_token::spl_token_id_v2_0;
use solana_sdk::{instruction::CompiledInstruction, pubkey::Pubkey, system_program};
use std::{
collections::HashMap,
str::{from_utf8, Utf8Error},
};
use thiserror::Error;
lazy_static! {
static ref ASSOCIATED_TOKEN_PROGRAM_ID: Pubkey = spl_associated_token_id_v1_0();
static ref BPF_LOADER_PROGRAM_ID: Pubkey = solana_sdk::bpf_loader::id();
static ref BPF_UPGRADEABLE_LOADER_PROGRAM_ID: Pubkey = solana_sdk::bpf_loader_upgradeable::id();
static ref MEMO_V1_PROGRAM_ID: Pubkey = spl_memo_id_v1();
static ref MEMO_V3_PROGRAM_ID: Pubkey = spl_memo_id_v3();
static ref STAKE_PROGRAM_ID: Pubkey = solana_stake_program::id();
static ref SYSTEM_PROGRAM_ID: Pubkey = system_program::id();
static ref TOKEN_PROGRAM_ID: Pubkey = spl_token_id_v2_0();
static ref VOTE_PROGRAM_ID: Pubkey = solana_vote_program::id();
static ref PARSABLE_PROGRAM_IDS: HashMap<Pubkey, ParsableProgram> = {
let mut m = HashMap::new();
m.insert(
*ASSOCIATED_TOKEN_PROGRAM_ID,
ParsableProgram::SplAssociatedTokenAccount,
);
m.insert(*MEMO_V1_PROGRAM_ID, ParsableProgram::SplMemo);
m.insert(*MEMO_V3_PROGRAM_ID, ParsableProgram::SplMemo);
m.insert(*TOKEN_PROGRAM_ID, ParsableProgram::SplToken);
m.insert(*BPF_LOADER_PROGRAM_ID, ParsableProgram::BpfLoader);
m.insert(
*BPF_UPGRADEABLE_LOADER_PROGRAM_ID,
ParsableProgram::BpfUpgradeableLoader,
);
m.insert(*STAKE_PROGRAM_ID, ParsableProgram::Stake);
m.insert(*SYSTEM_PROGRAM_ID, ParsableProgram::System);
m.insert(*VOTE_PROGRAM_ID, ParsableProgram::Vote);
m
};
}
#[derive(Error, Debug)]
pub enum ParseInstructionError {
#[error("{0:?} instruction not parsable")]
InstructionNotParsable(ParsableProgram),
#[error("{0:?} instruction key mismatch")]
InstructionKeyMismatch(ParsableProgram),
#[error("Program not parsable")]
ProgramNotParsable,
#[error("Internal error, please report")]
SerdeJsonError(#[from] serde_json::error::Error),
}
#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "camelCase")]
pub struct ParsedInstruction {
pub program: String,
pub program_id: String,
pub parsed: Value,
}
#[derive(Debug, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "camelCase")]
pub struct ParsedInstructionEnum {
#[serde(rename = "type")]
pub instruction_type: String,
#[serde(default, skip_serializing_if = "Value::is_null")]
pub info: Value,
}
#[derive(Debug, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "camelCase")]
pub enum ParsableProgram {
SplAssociatedTokenAccount,
SplMemo,
SplToken,
BpfLoader,
BpfUpgradeableLoader,
Stake,
System,
Vote,
}
pub fn parse(
program_id: &Pubkey,
instruction: &CompiledInstruction,
account_keys: &[Pubkey],
) -> Result<ParsedInstruction, ParseInstructionError> {
let program_name = PARSABLE_PROGRAM_IDS
.get(program_id)
.ok_or(ParseInstructionError::ProgramNotParsable)?;
let parsed_json = match program_name {
ParsableProgram::SplAssociatedTokenAccount => {
serde_json::to_value(parse_associated_token(instruction, account_keys)?)?
}
ParsableProgram::SplMemo => parse_memo(instruction)?,
ParsableProgram::SplToken => serde_json::to_value(parse_token(instruction, account_keys)?)?,
ParsableProgram::BpfLoader => {
serde_json::to_value(parse_bpf_loader(instruction, account_keys)?)?
}
ParsableProgram::BpfUpgradeableLoader => {
serde_json::to_value(parse_bpf_upgradeable_loader(instruction, account_keys)?)?
}
ParsableProgram::Stake => serde_json::to_value(parse_stake(instruction, account_keys)?)?,
ParsableProgram::System => serde_json::to_value(parse_system(instruction, account_keys)?)?,
ParsableProgram::Vote => serde_json::to_value(parse_vote(instruction, account_keys)?)?,
};
Ok(ParsedInstruction {
program: format!("{:?}", program_name).to_kebab_case(),
program_id: program_id.to_string(),
parsed: parsed_json,
})
}
fn parse_memo(instruction: &CompiledInstruction) -> Result<Value, ParseInstructionError> {
parse_memo_data(&instruction.data)
.map(Value::String)
.map_err(|_| ParseInstructionError::InstructionNotParsable(ParsableProgram::SplMemo))
}
pub fn parse_memo_data(data: &[u8]) -> Result<String, Utf8Error> {
from_utf8(data).map(|s| s.to_string())
}
pub(crate) fn check_num_accounts(
accounts: &[u8],
num: usize,
parsable_program: ParsableProgram,
) -> Result<(), ParseInstructionError> {
if accounts.len() < num {
Err(ParseInstructionError::InstructionKeyMismatch(
parsable_program,
))
} else {
Ok(())
}
}
#[cfg(test)]
mod test {
use super::*;
use serde_json::json;
#[test]
fn test_parse() {
let memo_instruction = CompiledInstruction {
program_id_index: 0,
accounts: vec![],
data: vec![240, 159, 166, 150],
};
assert_eq!(
parse(&MEMO_V1_PROGRAM_ID, &memo_instruction, &[]).unwrap(),
ParsedInstruction {
program: "spl-memo".to_string(),
program_id: MEMO_V1_PROGRAM_ID.to_string(),
parsed: json!("🦖"),
}
);
assert_eq!(
parse(&MEMO_V3_PROGRAM_ID, &memo_instruction, &[]).unwrap(),
ParsedInstruction {
program: "spl-memo".to_string(),
program_id: MEMO_V3_PROGRAM_ID.to_string(),
parsed: json!("🦖"),
}
);
let non_parsable_program_id = Pubkey::new(&[1; 32]);
assert!(parse(&non_parsable_program_id, &memo_instruction, &[]).is_err());
}
#[test]
fn test_parse_memo() {
let good_memo = "good memo".to_string();
assert_eq!(
parse_memo(&CompiledInstruction {
program_id_index: 0,
accounts: vec![],
data: good_memo.as_bytes().to_vec(),
})
.unwrap(),
Value::String(good_memo),
);
let bad_memo = vec![128u8];
assert!(std::str::from_utf8(&bad_memo).is_err());
assert!(parse_memo(&CompiledInstruction {
program_id_index: 0,
data: bad_memo,
accounts: vec![],
})
.is_err(),);
}
}