use crate::parse_instruction::{
check_num_accounts, ParsableProgram, ParseInstructionError, ParsedInstructionEnum,
};
use bincode::deserialize;
use serde_json::json;
use solana_sdk::{
instruction::CompiledInstruction, pubkey::Pubkey, system_instruction::SystemInstruction,
};
pub fn parse_system(
instruction: &CompiledInstruction,
account_keys: &[Pubkey],
) -> Result<ParsedInstructionEnum, ParseInstructionError> {
let system_instruction: SystemInstruction = deserialize(&instruction.data)
.map_err(|_| ParseInstructionError::InstructionNotParsable(ParsableProgram::System))?;
match instruction.accounts.iter().max() {
Some(index) if (*index as usize) < account_keys.len() => {}
_ => {
return Err(ParseInstructionError::InstructionKeyMismatch(
ParsableProgram::System,
));
}
}
match system_instruction {
SystemInstruction::CreateAccount {
lamports,
space,
owner,
} => {
check_num_system_accounts(&instruction.accounts, 2)?;
Ok(ParsedInstructionEnum {
instruction_type: "createAccount".to_string(),
info: json!({
"source": account_keys[instruction.accounts[0] as usize].to_string(),
"newAccount": account_keys[instruction.accounts[1] as usize].to_string(),
"lamports": lamports,
"space": space,
"owner": owner.to_string(),
}),
})
}
SystemInstruction::Assign { owner } => {
check_num_system_accounts(&instruction.accounts, 1)?;
Ok(ParsedInstructionEnum {
instruction_type: "assign".to_string(),
info: json!({
"account": account_keys[instruction.accounts[0] as usize].to_string(),
"owner": owner.to_string(),
}),
})
}
SystemInstruction::Transfer { lamports } => {
check_num_system_accounts(&instruction.accounts, 2)?;
Ok(ParsedInstructionEnum {
instruction_type: "transfer".to_string(),
info: json!({
"source": account_keys[instruction.accounts[0] as usize].to_string(),
"destination": account_keys[instruction.accounts[1] as usize].to_string(),
"lamports": lamports,
}),
})
}
SystemInstruction::CreateAccountWithSeed {
base,
seed,
lamports,
space,
owner,
} => {
check_num_system_accounts(&instruction.accounts, 2)?;
Ok(ParsedInstructionEnum {
instruction_type: "createAccountWithSeed".to_string(),
info: json!({
"source": account_keys[instruction.accounts[0] as usize].to_string(),
"newAccount": account_keys[instruction.accounts[1] as usize].to_string(),
"base": base.to_string(),
"seed": seed,
"lamports": lamports,
"space": space,
"owner": owner.to_string(),
}),
})
}
SystemInstruction::AdvanceNonceAccount => {
check_num_system_accounts(&instruction.accounts, 3)?;
Ok(ParsedInstructionEnum {
instruction_type: "advanceNonce".to_string(),
info: json!({
"nonceAccount": account_keys[instruction.accounts[0] as usize].to_string(),
"recentBlockhashesSysvar": account_keys[instruction.accounts[1] as usize].to_string(),
"nonceAuthority": account_keys[instruction.accounts[2] as usize].to_string(),
}),
})
}
SystemInstruction::WithdrawNonceAccount(lamports) => {
check_num_system_accounts(&instruction.accounts, 5)?;
Ok(ParsedInstructionEnum {
instruction_type: "withdrawFromNonce".to_string(),
info: json!({
"nonceAccount": account_keys[instruction.accounts[0] as usize].to_string(),
"destination": account_keys[instruction.accounts[1] as usize].to_string(),
"recentBlockhashesSysvar": account_keys[instruction.accounts[2] as usize].to_string(),
"rentSysvar": account_keys[instruction.accounts[3] as usize].to_string(),
"nonceAuthority": account_keys[instruction.accounts[4] as usize].to_string(),
"lamports": lamports,
}),
})
}
SystemInstruction::InitializeNonceAccount(authority) => {
check_num_system_accounts(&instruction.accounts, 3)?;
Ok(ParsedInstructionEnum {
instruction_type: "initializeNonce".to_string(),
info: json!({
"nonceAccount": account_keys[instruction.accounts[0] as usize].to_string(),
"recentBlockhashesSysvar": account_keys[instruction.accounts[1] as usize].to_string(),
"rentSysvar": account_keys[instruction.accounts[2] as usize].to_string(),
"nonceAuthority": authority.to_string(),
}),
})
}
SystemInstruction::AuthorizeNonceAccount(authority) => {
check_num_system_accounts(&instruction.accounts, 1)?;
Ok(ParsedInstructionEnum {
instruction_type: "authorizeNonce".to_string(),
info: json!({
"nonceAccount": account_keys[instruction.accounts[0] as usize].to_string(),
"nonceAuthority": account_keys[instruction.accounts[1] as usize].to_string(),
"newAuthorized": authority.to_string(),
}),
})
}
SystemInstruction::Allocate { space } => {
check_num_system_accounts(&instruction.accounts, 1)?;
Ok(ParsedInstructionEnum {
instruction_type: "allocate".to_string(),
info: json!({
"account": account_keys[instruction.accounts[0] as usize].to_string(),
"space": space,
}),
})
}
SystemInstruction::AllocateWithSeed {
base,
seed,
space,
owner,
} => {
check_num_system_accounts(&instruction.accounts, 2)?;
Ok(ParsedInstructionEnum {
instruction_type: "allocateWithSeed".to_string(),
info: json!({
"account": account_keys[instruction.accounts[0] as usize].to_string(),
"base": base.to_string(),
"seed": seed,
"space": space,
"owner": owner.to_string(),
}),
})
}
SystemInstruction::AssignWithSeed { base, seed, owner } => {
check_num_system_accounts(&instruction.accounts, 2)?;
Ok(ParsedInstructionEnum {
instruction_type: "assignWithSeed".to_string(),
info: json!({
"account": account_keys[instruction.accounts[0] as usize].to_string(),
"base": base.to_string(),
"seed": seed,
"owner": owner.to_string(),
}),
})
}
SystemInstruction::TransferWithSeed {
lamports,
from_seed,
from_owner,
} => {
check_num_system_accounts(&instruction.accounts, 3)?;
Ok(ParsedInstructionEnum {
instruction_type: "transferWithSeed".to_string(),
info: json!({
"source": account_keys[instruction.accounts[0] as usize].to_string(),
"sourceBase": account_keys[instruction.accounts[1] as usize].to_string(),
"destination": account_keys[instruction.accounts[2] as usize].to_string(),
"lamports": lamports,
"sourceSeed": from_seed,
"sourceOwner": from_owner.to_string(),
}),
})
}
}
}
fn check_num_system_accounts(accounts: &[u8], num: usize) -> Result<(), ParseInstructionError> {
check_num_accounts(accounts, num, ParsableProgram::System)
}
#[cfg(test)]
mod test {
use super::*;
use solana_sdk::{message::Message, pubkey::Pubkey, system_instruction};
#[test]
#[allow(clippy::same_item_push)]
fn test_parse_system_instruction() {
let mut keys: Vec<Pubkey> = vec![];
for _ in 0..6 {
keys.push(solana_sdk::pubkey::new_rand());
}
let lamports = 55;
let space = 128;
let instruction =
system_instruction::create_account(&keys[0], &keys[1], lamports, space, &keys[2]);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..2]).unwrap(),
ParsedInstructionEnum {
instruction_type: "createAccount".to_string(),
info: json!({
"source": keys[0].to_string(),
"newAccount": keys[1].to_string(),
"lamports": lamports,
"owner": keys[2].to_string(),
"space": space,
}),
}
);
assert!(parse_system(&message.instructions[0], &keys[0..1]).is_err());
let instruction = system_instruction::assign(&keys[0], &keys[1]);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..1]).unwrap(),
ParsedInstructionEnum {
instruction_type: "assign".to_string(),
info: json!({
"account": keys[0].to_string(),
"owner": keys[1].to_string(),
}),
}
);
assert!(parse_system(&message.instructions[0], &[]).is_err());
let instruction = system_instruction::transfer(&keys[0], &keys[1], lamports);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..2]).unwrap(),
ParsedInstructionEnum {
instruction_type: "transfer".to_string(),
info: json!({
"source": keys[0].to_string(),
"destination": keys[1].to_string(),
"lamports": lamports,
}),
}
);
assert!(parse_system(&message.instructions[0], &keys[0..1]).is_err());
let seed = "test_seed";
let instruction = system_instruction::create_account_with_seed(
&keys[0], &keys[2], &keys[1], seed, lamports, space, &keys[3],
);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..3]).unwrap(),
ParsedInstructionEnum {
instruction_type: "createAccountWithSeed".to_string(),
info: json!({
"source": keys[0].to_string(),
"newAccount": keys[2].to_string(),
"lamports": lamports,
"base": keys[1].to_string(),
"seed": seed,
"owner": keys[3].to_string(),
"space": space,
}),
}
);
let seed = "test_seed";
let instruction = system_instruction::create_account_with_seed(
&keys[0], &keys[1], &keys[0], seed, lamports, space, &keys[3],
);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..2]).unwrap(),
ParsedInstructionEnum {
instruction_type: "createAccountWithSeed".to_string(),
info: json!({
"source": keys[0].to_string(),
"newAccount": keys[1].to_string(),
"lamports": lamports,
"base": keys[0].to_string(),
"seed": seed,
"owner": keys[3].to_string(),
"space": space,
}),
}
);
assert!(parse_system(&message.instructions[0], &keys[0..1]).is_err());
let instruction = system_instruction::allocate(&keys[0], space);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..1]).unwrap(),
ParsedInstructionEnum {
instruction_type: "allocate".to_string(),
info: json!({
"account": keys[0].to_string(),
"space": space,
}),
}
);
assert!(parse_system(&message.instructions[0], &[]).is_err());
let instruction =
system_instruction::allocate_with_seed(&keys[1], &keys[0], seed, space, &keys[2]);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..2]).unwrap(),
ParsedInstructionEnum {
instruction_type: "allocateWithSeed".to_string(),
info: json!({
"account": keys[1].to_string(),
"base": keys[0].to_string(),
"seed": seed,
"owner": keys[2].to_string(),
"space": space,
}),
}
);
assert!(parse_system(&message.instructions[0], &keys[0..1]).is_err());
let instruction = system_instruction::assign_with_seed(&keys[1], &keys[0], seed, &keys[2]);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..2]).unwrap(),
ParsedInstructionEnum {
instruction_type: "assignWithSeed".to_string(),
info: json!({
"account": keys[1].to_string(),
"base": keys[0].to_string(),
"seed": seed,
"owner": keys[2].to_string(),
}),
}
);
assert!(parse_system(&message.instructions[0], &keys[0..1]).is_err());
let instruction = system_instruction::transfer_with_seed(
&keys[1],
&keys[0],
seed.to_string(),
&keys[3],
&keys[2],
lamports,
);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..3]).unwrap(),
ParsedInstructionEnum {
instruction_type: "transferWithSeed".to_string(),
info: json!({
"source": keys[1].to_string(),
"sourceBase": keys[0].to_string(),
"sourceSeed": seed,
"sourceOwner": keys[3].to_string(),
"lamports": lamports,
"destination": keys[2].to_string()
}),
}
);
assert!(parse_system(&message.instructions[0], &keys[0..2]).is_err());
}
#[test]
#[allow(clippy::same_item_push)]
fn test_parse_system_instruction_nonce() {
let mut keys: Vec<Pubkey> = vec![];
for _ in 0..5 {
keys.push(solana_sdk::pubkey::new_rand());
}
let instruction = system_instruction::advance_nonce_account(&keys[1], &keys[0]);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..3]).unwrap(),
ParsedInstructionEnum {
instruction_type: "advanceNonce".to_string(),
info: json!({
"nonceAccount": keys[1].to_string(),
"recentBlockhashesSysvar": keys[2].to_string(),
"nonceAuthority": keys[0].to_string(),
}),
}
);
assert!(parse_system(&message.instructions[0], &keys[0..2]).is_err());
let lamports = 55;
let instruction =
system_instruction::withdraw_nonce_account(&keys[1], &keys[0], &keys[2], lamports);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..5]).unwrap(),
ParsedInstructionEnum {
instruction_type: "withdrawFromNonce".to_string(),
info: json!({
"nonceAccount": keys[1].to_string(),
"destination": keys[2].to_string(),
"recentBlockhashesSysvar": keys[3].to_string(),
"rentSysvar": keys[4].to_string(),
"nonceAuthority": keys[0].to_string(),
"lamports": lamports
}),
}
);
assert!(parse_system(&message.instructions[0], &keys[0..4]).is_err());
let instructions =
system_instruction::create_nonce_account(&keys[0], &keys[1], &keys[4], lamports);
let message = Message::new(&instructions, None);
assert_eq!(
parse_system(&message.instructions[1], &keys[0..4]).unwrap(),
ParsedInstructionEnum {
instruction_type: "initializeNonce".to_string(),
info: json!({
"nonceAccount": keys[1].to_string(),
"recentBlockhashesSysvar": keys[2].to_string(),
"rentSysvar": keys[3].to_string(),
"nonceAuthority": keys[4].to_string(),
}),
}
);
assert!(parse_system(&message.instructions[1], &keys[0..3]).is_err());
let instruction = system_instruction::authorize_nonce_account(&keys[1], &keys[0], &keys[2]);
let message = Message::new(&[instruction], None);
assert_eq!(
parse_system(&message.instructions[0], &keys[0..2]).unwrap(),
ParsedInstructionEnum {
instruction_type: "authorizeNonce".to_string(),
info: json!({
"nonceAccount": keys[1].to_string(),
"newAuthorized": keys[2].to_string(),
"nonceAuthority": keys[0].to_string(),
}),
}
);
assert!(parse_system(&message.instructions[0], &keys[0..1]).is_err());
}
}