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use {
crate::parse_instruction::{
check_num_accounts, ParsableProgram, ParseInstructionError, ParsedInstructionEnum,
},
borsh::BorshDeserialize,
serde_json::json,
solana_sdk::{instruction::CompiledInstruction, message::AccountKeys, pubkey::Pubkey},
spl_associated_token_account::instruction::AssociatedTokenAccountInstruction,
};
pub fn spl_associated_token_id() -> Pubkey {
Pubkey::new_from_array(spl_associated_token_account::id().to_bytes())
}
pub fn parse_associated_token(
instruction: &CompiledInstruction,
account_keys: &AccountKeys,
) -> Result<ParsedInstructionEnum, ParseInstructionError> {
match instruction.accounts.iter().max() {
Some(index) if (*index as usize) < account_keys.len() => {}
_ => {
return Err(ParseInstructionError::InstructionKeyMismatch(
ParsableProgram::SplAssociatedTokenAccount,
));
}
}
if instruction.data.is_empty() {
check_num_associated_token_accounts(&instruction.accounts, 7)?;
Ok(ParsedInstructionEnum {
instruction_type: "create".to_string(),
info: json!({
"source": account_keys[instruction.accounts[0] as usize].to_string(),
"account": account_keys[instruction.accounts[1] as usize].to_string(),
"wallet": account_keys[instruction.accounts[2] as usize].to_string(),
"mint": account_keys[instruction.accounts[3] as usize].to_string(),
"systemProgram": account_keys[instruction.accounts[4] as usize].to_string(),
"tokenProgram": account_keys[instruction.accounts[5] as usize].to_string(),
"rentSysvar": account_keys[instruction.accounts[6] as usize].to_string(),
}),
})
} else {
let ata_instruction = AssociatedTokenAccountInstruction::try_from_slice(&instruction.data)
.map_err(|_| {
ParseInstructionError::InstructionNotParsable(ParsableProgram::SplToken)
})?;
match ata_instruction {
AssociatedTokenAccountInstruction::Create => {
check_num_associated_token_accounts(&instruction.accounts, 6)?;
Ok(ParsedInstructionEnum {
instruction_type: "create".to_string(),
info: json!({
"source": account_keys[instruction.accounts[0] as usize].to_string(),
"account": account_keys[instruction.accounts[1] as usize].to_string(),
"wallet": account_keys[instruction.accounts[2] as usize].to_string(),
"mint": account_keys[instruction.accounts[3] as usize].to_string(),
"systemProgram": account_keys[instruction.accounts[4] as usize].to_string(),
"tokenProgram": account_keys[instruction.accounts[5] as usize].to_string(),
}),
})
}
}
}
}
fn check_num_associated_token_accounts(
accounts: &[u8],
num: usize,
) -> Result<(), ParseInstructionError> {
check_num_accounts(accounts, num, ParsableProgram::SplAssociatedTokenAccount)
}
#[cfg(test)]
mod test {
#[allow(deprecated)]
use spl_associated_token_account::create_associated_token_account as create_associated_token_account_deprecated;
use {
super::*,
solana_account_decoder::parse_token::pubkey_from_spl_token,
spl_associated_token_account::{
get_associated_token_address,
instruction::create_associated_token_account,
solana_program::{
instruction::CompiledInstruction as SplAssociatedTokenCompiledInstruction,
message::Message, pubkey::Pubkey as SplAssociatedTokenPubkey, sysvar,
},
},
};
fn convert_pubkey(pubkey: Pubkey) -> SplAssociatedTokenPubkey {
SplAssociatedTokenPubkey::new_from_array(pubkey.to_bytes())
}
fn convert_compiled_instruction(
instruction: &SplAssociatedTokenCompiledInstruction,
) -> CompiledInstruction {
CompiledInstruction {
program_id_index: instruction.program_id_index,
accounts: instruction.accounts.clone(),
data: instruction.data.clone(),
}
}
fn convert_account_keys(message: &Message) -> Vec<Pubkey> {
message
.account_keys
.iter()
.map(pubkey_from_spl_token)
.collect()
}
#[test]
fn test_parse_associated_token_deprecated() {
let funder = Pubkey::new_unique();
let wallet_address = Pubkey::new_unique();
let mint = Pubkey::new_unique();
let associated_account_address =
get_associated_token_address(&convert_pubkey(wallet_address), &convert_pubkey(mint));
#[allow(deprecated)]
let create_ix = create_associated_token_account_deprecated(
&convert_pubkey(funder),
&convert_pubkey(wallet_address),
&convert_pubkey(mint),
);
let message = Message::new(&[create_ix], None);
let mut compiled_instruction = convert_compiled_instruction(&message.instructions[0]);
assert_eq!(
parse_associated_token(
&compiled_instruction,
&AccountKeys::new(&convert_account_keys(&message), None)
)
.unwrap(),
ParsedInstructionEnum {
instruction_type: "create".to_string(),
info: json!({
"source": funder.to_string(),
"account": associated_account_address.to_string(),
"wallet": wallet_address.to_string(),
"mint": mint.to_string(),
"systemProgram": solana_sdk::system_program::id().to_string(),
"tokenProgram": spl_token::id().to_string(),
"rentSysvar": sysvar::rent::id().to_string(),
})
}
);
compiled_instruction.accounts.pop();
assert!(parse_associated_token(
&compiled_instruction,
&AccountKeys::new(&convert_account_keys(&message), None)
)
.is_err());
}
#[test]
fn test_parse_associated_token() {
let funder = Pubkey::new_unique();
let wallet_address = Pubkey::new_unique();
let mint = Pubkey::new_unique();
let associated_account_address =
get_associated_token_address(&convert_pubkey(wallet_address), &convert_pubkey(mint));
let create_ix = create_associated_token_account(
&convert_pubkey(funder),
&convert_pubkey(wallet_address),
&convert_pubkey(mint),
);
let message = Message::new(&[create_ix], None);
let mut compiled_instruction = convert_compiled_instruction(&message.instructions[0]);
assert_eq!(
parse_associated_token(
&compiled_instruction,
&AccountKeys::new(&convert_account_keys(&message), None)
)
.unwrap(),
ParsedInstructionEnum {
instruction_type: "create".to_string(),
info: json!({
"source": funder.to_string(),
"account": associated_account_address.to_string(),
"wallet": wallet_address.to_string(),
"mint": mint.to_string(),
"systemProgram": solana_sdk::system_program::id().to_string(),
"tokenProgram": spl_token::id().to_string(),
})
}
);
compiled_instruction.accounts.pop();
assert!(parse_associated_token(
&compiled_instruction,
&AccountKeys::new(&convert_account_keys(&message), None)
)
.is_err());
}
}
