108 lines
3.9 KiB
Rust
108 lines
3.9 KiB
Rust
use {
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crate::parse_instruction::{
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check_num_accounts, ParsableProgram, ParseInstructionError, ParsedInstructionEnum,
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},
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serde_json::json,
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solana_sdk::{instruction::CompiledInstruction, pubkey::Pubkey},
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};
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// A helper function to convert spl_associated_token_account_v1_0::id() as spl_sdk::pubkey::Pubkey
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// to solana_sdk::pubkey::Pubkey
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pub fn spl_associated_token_id_v1_0() -> Pubkey {
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Pubkey::new_from_array(spl_associated_token_account_v1_0::id().to_bytes())
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}
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pub fn parse_associated_token(
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instruction: &CompiledInstruction,
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account_keys: &[Pubkey],
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) -> Result<ParsedInstructionEnum, ParseInstructionError> {
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match instruction.accounts.iter().max() {
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Some(index) if (*index as usize) < account_keys.len() => {}
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_ => {
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// Runtime should prevent this from ever happening
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return Err(ParseInstructionError::InstructionKeyMismatch(
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ParsableProgram::SplAssociatedTokenAccount,
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));
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}
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}
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check_num_associated_token_accounts(&instruction.accounts, 7)?;
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Ok(ParsedInstructionEnum {
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instruction_type: "create".to_string(),
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info: json!({
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"source": account_keys[instruction.accounts[0] as usize].to_string(),
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"account": account_keys[instruction.accounts[1] as usize].to_string(),
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"wallet": account_keys[instruction.accounts[2] as usize].to_string(),
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"mint": account_keys[instruction.accounts[3] as usize].to_string(),
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"systemProgram": account_keys[instruction.accounts[4] as usize].to_string(),
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"tokenProgram": account_keys[instruction.accounts[5] as usize].to_string(),
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"rentSysvar": account_keys[instruction.accounts[6] as usize].to_string(),
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}),
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})
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}
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fn check_num_associated_token_accounts(
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accounts: &[u8],
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num: usize,
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) -> Result<(), ParseInstructionError> {
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check_num_accounts(accounts, num, ParsableProgram::SplAssociatedTokenAccount)
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}
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#[cfg(test)]
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mod test {
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use {
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super::*,
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spl_associated_token_account_v1_0::{
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create_associated_token_account,
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solana_program::{
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instruction::CompiledInstruction as SplAssociatedTokenCompiledInstruction,
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message::Message, pubkey::Pubkey as SplAssociatedTokenPubkey,
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},
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},
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};
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fn convert_pubkey(pubkey: Pubkey) -> SplAssociatedTokenPubkey {
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SplAssociatedTokenPubkey::new_from_array(pubkey.to_bytes())
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}
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fn convert_compiled_instruction(
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instruction: &SplAssociatedTokenCompiledInstruction,
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) -> CompiledInstruction {
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CompiledInstruction {
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program_id_index: instruction.program_id_index,
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accounts: instruction.accounts.clone(),
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data: instruction.data.clone(),
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}
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}
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#[test]
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fn test_parse_associated_token() {
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let mut keys: Vec<Pubkey> = vec![];
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for _ in 0..7 {
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keys.push(solana_sdk::pubkey::new_rand());
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}
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let create_ix = create_associated_token_account(
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&convert_pubkey(keys[0]),
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&convert_pubkey(keys[1]),
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&convert_pubkey(keys[2]),
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);
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let message = Message::new(&[create_ix], None);
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let compiled_instruction = convert_compiled_instruction(&message.instructions[0]);
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assert_eq!(
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parse_associated_token(&compiled_instruction, &keys).unwrap(),
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ParsedInstructionEnum {
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instruction_type: "create".to_string(),
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info: json!({
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"source": keys[0].to_string(),
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"account": keys[1].to_string(),
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"wallet": keys[2].to_string(),
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"mint": keys[3].to_string(),
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"systemProgram": keys[4].to_string(),
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"tokenProgram": keys[5].to_string(),
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"rentSysvar": keys[6].to_string(),
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})
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}
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);
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}
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}
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