996 lines
32 KiB
Rust
996 lines
32 KiB
Rust
#![cfg(feature = "test-bpf")]
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mod program_test;
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use {
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program_test::{TestContext, TokenContext},
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solana_program_test::tokio,
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solana_sdk::{
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instruction::InstructionError, program_option::COption, pubkey::Pubkey, signature::Signer,
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signer::keypair::Keypair, transaction::TransactionError, transport::TransportError,
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},
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spl_token_2022::{
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error::TokenError,
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extension::transfer_fee::{
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TransferFee, TransferFeeAmount, TransferFeeConfig, MAX_FEE_BASIS_POINTS,
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},
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instruction,
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},
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spl_token_client::token::{ExtensionInitializationParams, TokenError as TokenClientError},
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std::convert::TryInto,
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};
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fn test_transfer_fee() -> TransferFee {
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TransferFee {
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epoch: 0.into(),
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transfer_fee_basis_points: 250.into(),
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maximum_fee: 10_000_000.into(),
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}
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}
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fn test_transfer_fee_config() -> TransferFeeConfig {
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let transfer_fee = test_transfer_fee();
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TransferFeeConfig {
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transfer_fee_config_authority: COption::Some(Pubkey::new_unique()).try_into().unwrap(),
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withdraw_withheld_authority: COption::Some(Pubkey::new_unique()).try_into().unwrap(),
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withheld_amount: 0.into(),
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older_transfer_fee: transfer_fee,
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newer_transfer_fee: transfer_fee,
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}
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}
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struct TransferFeeConfigWithKeypairs {
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transfer_fee_config: TransferFeeConfig,
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transfer_fee_config_authority: Keypair,
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withdraw_withheld_authority: Keypair,
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}
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fn test_transfer_fee_config_with_keypairs() -> TransferFeeConfigWithKeypairs {
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let transfer_fee = test_transfer_fee();
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let transfer_fee_config_authority = Keypair::new();
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let withdraw_withheld_authority = Keypair::new();
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let transfer_fee_config = TransferFeeConfig {
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transfer_fee_config_authority: COption::Some(transfer_fee_config_authority.pubkey())
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.try_into()
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.unwrap(),
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withdraw_withheld_authority: COption::Some(withdraw_withheld_authority.pubkey())
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.try_into()
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.unwrap(),
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withheld_amount: 0.into(),
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older_transfer_fee: transfer_fee,
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newer_transfer_fee: transfer_fee,
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};
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TransferFeeConfigWithKeypairs {
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transfer_fee_config,
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transfer_fee_config_authority,
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withdraw_withheld_authority,
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}
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}
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#[tokio::test]
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async fn success_init() {
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let TransferFeeConfig {
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transfer_fee_config_authority,
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withdraw_withheld_authority,
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newer_transfer_fee,
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..
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} = test_transfer_fee_config();
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let mut context = TestContext::new().await;
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context
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.init_token_with_mint(vec![ExtensionInitializationParams::TransferFeeConfig {
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transfer_fee_config_authority: transfer_fee_config_authority.into(),
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withdraw_withheld_authority: withdraw_withheld_authority.into(),
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transfer_fee_basis_points: newer_transfer_fee.transfer_fee_basis_points.into(),
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maximum_fee: newer_transfer_fee.maximum_fee.into(),
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}])
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.await
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.unwrap();
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let TokenContext {
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decimals,
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mint_authority,
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token,
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..
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} = context.token_context.unwrap();
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let state = token.get_mint_info().await.unwrap();
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assert_eq!(state.base.decimals, decimals);
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assert_eq!(
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state.base.mint_authority,
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COption::Some(mint_authority.pubkey())
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);
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assert_eq!(state.base.supply, 0);
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assert!(state.base.is_initialized);
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assert_eq!(state.base.freeze_authority, COption::None);
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let extension = state.get_extension::<TransferFeeConfig>().unwrap();
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assert_eq!(
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extension.transfer_fee_config_authority,
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transfer_fee_config_authority,
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);
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assert_eq!(
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extension.withdraw_withheld_authority,
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withdraw_withheld_authority,
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);
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assert_eq!(extension.newer_transfer_fee, newer_transfer_fee);
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assert_eq!(extension.older_transfer_fee, newer_transfer_fee);
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}
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#[tokio::test]
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async fn fail_init_default_pubkey_as_authority() {
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let TransferFeeConfig {
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transfer_fee_config_authority,
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newer_transfer_fee,
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..
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} = test_transfer_fee_config();
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let mut context = TestContext::new().await;
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let err = context
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.init_token_with_mint(vec![ExtensionInitializationParams::TransferFeeConfig {
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transfer_fee_config_authority: transfer_fee_config_authority.into(),
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withdraw_withheld_authority: Some(Pubkey::default()),
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transfer_fee_basis_points: newer_transfer_fee.transfer_fee_basis_points.into(),
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maximum_fee: newer_transfer_fee.maximum_fee.into(),
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}])
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.await
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.unwrap_err();
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assert_eq!(
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err,
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TokenClientError::Client(Box::new(TransportError::TransactionError(
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TransactionError::InstructionError(1, InstructionError::InvalidArgument)
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)))
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);
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}
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#[tokio::test]
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async fn fail_init_fee_too_high() {
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let TransferFeeConfig {
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transfer_fee_config_authority,
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withdraw_withheld_authority,
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newer_transfer_fee,
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..
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} = test_transfer_fee_config();
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let mut context = TestContext::new().await;
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let err = context
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.init_token_with_mint(vec![ExtensionInitializationParams::TransferFeeConfig {
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transfer_fee_config_authority: transfer_fee_config_authority.into(),
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withdraw_withheld_authority: withdraw_withheld_authority.into(),
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transfer_fee_basis_points: MAX_FEE_BASIS_POINTS + 1,
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maximum_fee: newer_transfer_fee.maximum_fee.into(),
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}])
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.await
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.unwrap_err();
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assert_eq!(
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err,
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TokenClientError::Client(Box::new(TransportError::TransactionError(
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TransactionError::InstructionError(
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1,
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InstructionError::Custom(TokenError::TransferFeeExceedsMaximum as u32)
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)
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)))
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);
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}
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#[tokio::test]
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async fn set_fee() {
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let TransferFeeConfigWithKeypairs {
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transfer_fee_config_authority,
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withdraw_withheld_authority,
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transfer_fee_config: TransferFeeConfig {
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newer_transfer_fee, ..
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},
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..
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} = test_transfer_fee_config_with_keypairs();
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let mut context = TestContext::new().await;
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context
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.init_token_with_mint(vec![ExtensionInitializationParams::TransferFeeConfig {
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transfer_fee_config_authority: transfer_fee_config_authority.pubkey().into(),
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withdraw_withheld_authority: withdraw_withheld_authority.pubkey().into(),
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transfer_fee_basis_points: newer_transfer_fee.transfer_fee_basis_points.into(),
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maximum_fee: newer_transfer_fee.maximum_fee.into(),
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}])
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.await
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.unwrap();
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let token = context.token_context.unwrap().token;
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// set to something new, old fee not touched
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let new_transfer_fee_basis_points = MAX_FEE_BASIS_POINTS;
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let new_maximum_fee = u64::MAX;
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token
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.set_transfer_fee(
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&transfer_fee_config_authority,
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new_transfer_fee_basis_points,
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new_maximum_fee,
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)
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.await
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.unwrap();
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let state = token.get_mint_info().await.unwrap();
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let extension = state.get_extension::<TransferFeeConfig>().unwrap();
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assert_eq!(
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extension.newer_transfer_fee.transfer_fee_basis_points,
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new_transfer_fee_basis_points.into()
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);
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assert_eq!(
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extension.newer_transfer_fee.maximum_fee,
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new_maximum_fee.into()
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);
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assert_eq!(extension.older_transfer_fee, newer_transfer_fee);
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// set again, old fee still not touched
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let new_transfer_fee_basis_points = 0;
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let new_maximum_fee = 0;
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token
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.set_transfer_fee(
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&transfer_fee_config_authority,
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new_transfer_fee_basis_points,
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new_maximum_fee,
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)
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.await
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.unwrap();
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let state = token.get_mint_info().await.unwrap();
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let extension = state.get_extension::<TransferFeeConfig>().unwrap();
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assert_eq!(
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extension.newer_transfer_fee.transfer_fee_basis_points,
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new_transfer_fee_basis_points.into()
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);
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assert_eq!(
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extension.newer_transfer_fee.maximum_fee,
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new_maximum_fee.into()
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);
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assert_eq!(extension.older_transfer_fee, newer_transfer_fee);
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// warp forward one epoch, new fee becomes old fee during set
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let newer_transfer_fee = extension.newer_transfer_fee;
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context.context.lock().await.warp_to_slot(10_000).unwrap();
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let new_transfer_fee_basis_points = MAX_FEE_BASIS_POINTS;
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let new_maximum_fee = u64::MAX;
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token
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.set_transfer_fee(
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&transfer_fee_config_authority,
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new_transfer_fee_basis_points,
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new_maximum_fee,
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)
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.await
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.unwrap();
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let state = token.get_mint_info().await.unwrap();
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let extension = state.get_extension::<TransferFeeConfig>().unwrap();
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assert_eq!(
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extension.newer_transfer_fee.transfer_fee_basis_points,
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new_transfer_fee_basis_points.into()
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);
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assert_eq!(
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extension.newer_transfer_fee.maximum_fee,
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new_maximum_fee.into()
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);
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assert_eq!(extension.older_transfer_fee, newer_transfer_fee);
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// fail, wrong signer
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let error = token
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.set_transfer_fee(
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&withdraw_withheld_authority,
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new_transfer_fee_basis_points,
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new_maximum_fee,
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)
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.await
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.err()
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.unwrap();
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assert_eq!(
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error,
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TokenClientError::Client(Box::new(TransportError::TransactionError(
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TransactionError::InstructionError(
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0,
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InstructionError::Custom(TokenError::OwnerMismatch as u32)
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)
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)))
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);
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// fail, set too high
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let error = token
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.set_transfer_fee(
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&transfer_fee_config_authority,
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MAX_FEE_BASIS_POINTS + 1,
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new_maximum_fee,
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)
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.await
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.err()
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.unwrap();
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assert_eq!(
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error,
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TokenClientError::Client(Box::new(TransportError::TransactionError(
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TransactionError::InstructionError(
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0,
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InstructionError::Custom(TokenError::TransferFeeExceedsMaximum as u32)
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)
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)))
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);
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}
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#[tokio::test]
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async fn fail_set_fee_unsupported_mint() {
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let mut context = TestContext::new().await;
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context.init_token_with_mint(vec![]).await.unwrap();
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let TokenContext {
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mint_authority,
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token,
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..
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} = context.token_context.unwrap();
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let transfer_fee_basis_points = u16::MAX;
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let maximum_fee = u64::MAX;
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let error = token
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.set_transfer_fee(&mint_authority, transfer_fee_basis_points, maximum_fee)
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.await
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.err()
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.unwrap();
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assert_eq!(
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error,
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TokenClientError::Client(Box::new(TransportError::TransactionError(
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TransactionError::InstructionError(0, InstructionError::InvalidAccountData)
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)))
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);
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}
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#[tokio::test]
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async fn set_transfer_fee_config_authority() {
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let TransferFeeConfigWithKeypairs {
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transfer_fee_config_authority,
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withdraw_withheld_authority,
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transfer_fee_config: TransferFeeConfig {
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newer_transfer_fee, ..
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},
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..
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} = test_transfer_fee_config_with_keypairs();
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let mut context = TestContext::new().await;
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context
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.init_token_with_mint(vec![ExtensionInitializationParams::TransferFeeConfig {
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transfer_fee_config_authority: transfer_fee_config_authority.pubkey().into(),
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withdraw_withheld_authority: withdraw_withheld_authority.pubkey().into(),
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transfer_fee_basis_points: newer_transfer_fee.transfer_fee_basis_points.into(),
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maximum_fee: newer_transfer_fee.maximum_fee.into(),
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}])
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.await
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.unwrap();
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let token = context.token_context.unwrap().token;
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let new_authority = Keypair::new();
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let wrong = Keypair::new();
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// fail, wrong signer
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let err = token
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.set_authority(
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token.get_address(),
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Some(&new_authority.pubkey()),
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instruction::AuthorityType::TransferFeeConfig,
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&wrong,
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)
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.await
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.unwrap_err();
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assert_eq!(
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err,
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TokenClientError::Client(Box::new(TransportError::TransactionError(
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TransactionError::InstructionError(
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0,
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InstructionError::Custom(TokenError::OwnerMismatch as u32)
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)
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)))
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);
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// success
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token
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.set_authority(
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token.get_address(),
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Some(&new_authority.pubkey()),
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instruction::AuthorityType::TransferFeeConfig,
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&transfer_fee_config_authority,
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)
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.await
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.unwrap();
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let state = token.get_mint_info().await.unwrap();
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let extension = state.get_extension::<TransferFeeConfig>().unwrap();
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assert_eq!(
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extension.transfer_fee_config_authority,
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Some(new_authority.pubkey()).try_into().unwrap(),
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);
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// assert new_authority can update transfer fee config, and old cannot
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let transfer_fee_basis_points = MAX_FEE_BASIS_POINTS;
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let maximum_fee = u64::MAX;
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let err = token
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.set_transfer_fee(
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&transfer_fee_config_authority,
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transfer_fee_basis_points,
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maximum_fee,
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)
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.await
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.unwrap_err();
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assert_eq!(
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err,
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TokenClientError::Client(Box::new(TransportError::TransactionError(
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TransactionError::InstructionError(
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0,
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InstructionError::Custom(TokenError::OwnerMismatch as u32)
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)
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)))
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);
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token
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.set_transfer_fee(&new_authority, transfer_fee_basis_points, maximum_fee)
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.await
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.unwrap();
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// set to none
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token
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.set_authority(
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token.get_address(),
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None,
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instruction::AuthorityType::TransferFeeConfig,
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&new_authority,
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)
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.await
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.unwrap();
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let state = token.get_mint_info().await.unwrap();
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let extension = state.get_extension::<TransferFeeConfig>().unwrap();
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assert_eq!(
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extension.transfer_fee_config_authority,
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None.try_into().unwrap(),
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);
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// fail set again
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let err = token
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.set_authority(
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token.get_address(),
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Some(&transfer_fee_config_authority.pubkey()),
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instruction::AuthorityType::TransferFeeConfig,
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&new_authority,
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)
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.await
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.unwrap_err();
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assert_eq!(
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err,
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TokenClientError::Client(Box::new(TransportError::TransactionError(
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TransactionError::InstructionError(
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0,
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InstructionError::Custom(TokenError::AuthorityTypeNotSupported as u32)
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)
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)))
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);
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// fail update transfer fee config
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let err = token
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.set_transfer_fee(&transfer_fee_config_authority, 0, 0)
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.await
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.unwrap_err();
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assert_eq!(
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err,
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TokenClientError::Client(Box::new(TransportError::TransactionError(
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TransactionError::InstructionError(
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0,
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InstructionError::Custom(TokenError::NoAuthorityExists as u32)
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)
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)))
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);
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}
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|
|
#[tokio::test]
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async fn set_withdraw_withheld_authority() {
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let TransferFeeConfigWithKeypairs {
|
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transfer_fee_config_authority,
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withdraw_withheld_authority,
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transfer_fee_config: TransferFeeConfig {
|
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newer_transfer_fee, ..
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},
|
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..
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} = test_transfer_fee_config_with_keypairs();
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let mut context = TestContext::new().await;
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context
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.init_token_with_mint(vec![ExtensionInitializationParams::TransferFeeConfig {
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transfer_fee_config_authority: transfer_fee_config_authority.pubkey().into(),
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withdraw_withheld_authority: withdraw_withheld_authority.pubkey().into(),
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transfer_fee_basis_points: newer_transfer_fee.transfer_fee_basis_points.into(),
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maximum_fee: newer_transfer_fee.maximum_fee.into(),
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}])
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.await
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.unwrap();
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let token = context.token_context.unwrap().token;
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let new_authority = Keypair::new();
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let wrong = Keypair::new();
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// fail, wrong signer
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let err = token
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.set_authority(
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token.get_address(),
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Some(&new_authority.pubkey()),
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instruction::AuthorityType::WithheldWithdraw,
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&wrong,
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)
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.await
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.unwrap_err();
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assert_eq!(
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err,
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TokenClientError::Client(Box::new(TransportError::TransactionError(
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TransactionError::InstructionError(
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0,
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InstructionError::Custom(TokenError::OwnerMismatch as u32)
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)
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)))
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);
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// success
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token
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.set_authority(
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token.get_address(),
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Some(&new_authority.pubkey()),
|
|
instruction::AuthorityType::WithheldWithdraw,
|
|
&withdraw_withheld_authority,
|
|
)
|
|
.await
|
|
.unwrap();
|
|
let state = token.get_mint_info().await.unwrap();
|
|
let extension = state.get_extension::<TransferFeeConfig>().unwrap();
|
|
assert_eq!(
|
|
extension.withdraw_withheld_authority,
|
|
Some(new_authority.pubkey()).try_into().unwrap(),
|
|
);
|
|
|
|
// TODO: assert new authority can withdraw withheld fees and old cannot
|
|
|
|
// set to none
|
|
token
|
|
.set_authority(
|
|
token.get_address(),
|
|
None,
|
|
instruction::AuthorityType::WithheldWithdraw,
|
|
&new_authority,
|
|
)
|
|
.await
|
|
.unwrap();
|
|
let state = token.get_mint_info().await.unwrap();
|
|
let extension = state.get_extension::<TransferFeeConfig>().unwrap();
|
|
assert_eq!(
|
|
extension.withdraw_withheld_authority,
|
|
None.try_into().unwrap(),
|
|
);
|
|
|
|
// fail set again
|
|
let err = token
|
|
.set_authority(
|
|
token.get_address(),
|
|
Some(&withdraw_withheld_authority.pubkey()),
|
|
instruction::AuthorityType::WithheldWithdraw,
|
|
&new_authority,
|
|
)
|
|
.await
|
|
.unwrap_err();
|
|
assert_eq!(
|
|
err,
|
|
TokenClientError::Client(Box::new(TransportError::TransactionError(
|
|
TransactionError::InstructionError(
|
|
0,
|
|
InstructionError::Custom(TokenError::AuthorityTypeNotSupported as u32)
|
|
)
|
|
)))
|
|
);
|
|
|
|
// TODO: assert no authority can withdraw withheld fees
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn transfer_checked() {
|
|
let TransferFeeConfigWithKeypairs {
|
|
transfer_fee_config_authority,
|
|
withdraw_withheld_authority,
|
|
transfer_fee_config,
|
|
..
|
|
} = test_transfer_fee_config_with_keypairs();
|
|
let mut context = TestContext::new().await;
|
|
let transfer_fee_basis_points = u16::from(
|
|
transfer_fee_config
|
|
.newer_transfer_fee
|
|
.transfer_fee_basis_points,
|
|
);
|
|
let maximum_fee = u64::from(transfer_fee_config.newer_transfer_fee.maximum_fee);
|
|
context
|
|
.init_token_with_mint(vec![ExtensionInitializationParams::TransferFeeConfig {
|
|
transfer_fee_config_authority: transfer_fee_config_authority.pubkey().into(),
|
|
withdraw_withheld_authority: withdraw_withheld_authority.pubkey().into(),
|
|
transfer_fee_basis_points,
|
|
maximum_fee,
|
|
}])
|
|
.await
|
|
.unwrap();
|
|
let TokenContext {
|
|
decimals,
|
|
mint_authority,
|
|
token,
|
|
alice,
|
|
bob,
|
|
..
|
|
} = context.token_context.unwrap();
|
|
|
|
// token account is self-owned just to test another case
|
|
let alice_account = token
|
|
.create_auxiliary_token_account(&alice, &alice.pubkey())
|
|
.await
|
|
.unwrap();
|
|
let bob_account = Keypair::new();
|
|
let bob_account = token
|
|
.create_auxiliary_token_account(&bob_account, &bob.pubkey())
|
|
.await
|
|
.unwrap();
|
|
|
|
// mint a lot of tokens, 100x max fee
|
|
let mut alice_amount = maximum_fee * 100;
|
|
token
|
|
.mint_to(&alice_account, &mint_authority, alice_amount)
|
|
.await
|
|
.unwrap();
|
|
|
|
// fail unchecked always
|
|
let error = token
|
|
.transfer_unchecked(&alice_account, &bob_account, &alice, maximum_fee)
|
|
.await
|
|
.unwrap_err();
|
|
assert_eq!(
|
|
error,
|
|
TokenClientError::Client(Box::new(TransportError::TransactionError(
|
|
TransactionError::InstructionError(
|
|
0,
|
|
InstructionError::Custom(TokenError::MintRequiredForTransfer as u32)
|
|
)
|
|
)))
|
|
);
|
|
|
|
// fail because amount too high
|
|
let error = token
|
|
.transfer_checked(
|
|
&alice_account,
|
|
&bob_account,
|
|
&alice,
|
|
alice_amount + 1,
|
|
decimals,
|
|
)
|
|
.await
|
|
.unwrap_err();
|
|
assert_eq!(
|
|
error,
|
|
TokenClientError::Client(Box::new(TransportError::TransactionError(
|
|
TransactionError::InstructionError(
|
|
0,
|
|
InstructionError::Custom(TokenError::InsufficientFunds as u32)
|
|
)
|
|
)))
|
|
);
|
|
|
|
let mut withheld_amount = 0;
|
|
let mut transferred_amount = 0;
|
|
|
|
// success, clean calculation for transfer fee
|
|
let fee = transfer_fee_config
|
|
.calculate_epoch_fee(0, maximum_fee)
|
|
.unwrap();
|
|
token
|
|
.transfer_checked(&alice_account, &bob_account, &alice, maximum_fee, decimals)
|
|
.await
|
|
.unwrap();
|
|
alice_amount -= maximum_fee;
|
|
withheld_amount += fee;
|
|
transferred_amount += maximum_fee - fee;
|
|
|
|
let alice_state = token.get_account_info(&alice_account).await.unwrap();
|
|
assert_eq!(alice_state.base.amount, alice_amount);
|
|
let extension = alice_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, 0.into());
|
|
let bob_state = token.get_account_info(&bob_account).await.unwrap();
|
|
assert_eq!(bob_state.base.amount, transferred_amount);
|
|
let extension = bob_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, withheld_amount.into());
|
|
|
|
// success, rounded up transfer fee
|
|
let transfer_amount = maximum_fee - 1;
|
|
let fee = transfer_fee_config
|
|
.calculate_epoch_fee(0, transfer_amount)
|
|
.unwrap();
|
|
token
|
|
.transfer_checked(
|
|
&alice_account,
|
|
&bob_account,
|
|
&alice,
|
|
transfer_amount,
|
|
decimals,
|
|
)
|
|
.await
|
|
.unwrap();
|
|
alice_amount -= transfer_amount;
|
|
withheld_amount += fee;
|
|
transferred_amount += transfer_amount - fee;
|
|
let alice_state = token.get_account_info(&alice_account).await.unwrap();
|
|
assert_eq!(alice_state.base.amount, alice_amount);
|
|
let extension = alice_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, 0.into());
|
|
let bob_state = token.get_account_info(&bob_account).await.unwrap();
|
|
assert_eq!(bob_state.base.amount, transferred_amount);
|
|
let extension = bob_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, withheld_amount.into());
|
|
|
|
// success, maximum fee kicks in
|
|
let transfer_amount =
|
|
1 + maximum_fee * (MAX_FEE_BASIS_POINTS as u64) / (transfer_fee_basis_points as u64);
|
|
let fee = transfer_fee_config
|
|
.calculate_epoch_fee(0, transfer_amount)
|
|
.unwrap();
|
|
assert_eq!(fee, maximum_fee); // sanity
|
|
token
|
|
.transfer_checked(
|
|
&alice_account,
|
|
&bob_account,
|
|
&alice,
|
|
transfer_amount,
|
|
decimals,
|
|
)
|
|
.await
|
|
.unwrap();
|
|
alice_amount -= transfer_amount;
|
|
withheld_amount += fee;
|
|
transferred_amount += transfer_amount - fee;
|
|
let alice_state = token.get_account_info(&alice_account).await.unwrap();
|
|
assert_eq!(alice_state.base.amount, alice_amount);
|
|
let extension = alice_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, 0.into());
|
|
let bob_state = token.get_account_info(&bob_account).await.unwrap();
|
|
assert_eq!(bob_state.base.amount, transferred_amount);
|
|
let extension = bob_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, withheld_amount.into());
|
|
|
|
// transfer down to 1 token
|
|
token
|
|
.transfer_checked(
|
|
&alice_account,
|
|
&bob_account,
|
|
&alice,
|
|
alice_amount - 1,
|
|
decimals,
|
|
)
|
|
.await
|
|
.unwrap();
|
|
transferred_amount += alice_amount - 1 - maximum_fee;
|
|
alice_amount = 1;
|
|
withheld_amount += maximum_fee;
|
|
let alice_state = token.get_account_info(&alice_account).await.unwrap();
|
|
assert_eq!(alice_state.base.amount, alice_amount);
|
|
let extension = alice_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, 0.into());
|
|
let bob_state = token.get_account_info(&bob_account).await.unwrap();
|
|
assert_eq!(bob_state.base.amount, transferred_amount);
|
|
let extension = bob_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, withheld_amount.into());
|
|
|
|
// final transfer, only move tokens to withheld amount, nothing received
|
|
token
|
|
.transfer_checked(&alice_account, &bob_account, &alice, 1, decimals)
|
|
.await
|
|
.unwrap();
|
|
withheld_amount += 1;
|
|
let alice_state = token.get_account_info(&alice_account).await.unwrap();
|
|
assert_eq!(alice_state.base.amount, 0);
|
|
let extension = alice_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, 0.into());
|
|
let bob_state = token.get_account_info(&bob_account).await.unwrap();
|
|
assert_eq!(bob_state.base.amount, transferred_amount);
|
|
let extension = bob_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, withheld_amount.into());
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn transfer_checked_with_fee() {
|
|
let TransferFeeConfigWithKeypairs {
|
|
transfer_fee_config_authority,
|
|
withdraw_withheld_authority,
|
|
transfer_fee_config,
|
|
..
|
|
} = test_transfer_fee_config_with_keypairs();
|
|
let mut context = TestContext::new().await;
|
|
let transfer_fee_basis_points = u16::from(
|
|
transfer_fee_config
|
|
.newer_transfer_fee
|
|
.transfer_fee_basis_points,
|
|
);
|
|
let maximum_fee = u64::from(transfer_fee_config.newer_transfer_fee.maximum_fee);
|
|
context
|
|
.init_token_with_mint(vec![ExtensionInitializationParams::TransferFeeConfig {
|
|
transfer_fee_config_authority: transfer_fee_config_authority.pubkey().into(),
|
|
withdraw_withheld_authority: withdraw_withheld_authority.pubkey().into(),
|
|
transfer_fee_basis_points,
|
|
maximum_fee,
|
|
}])
|
|
.await
|
|
.unwrap();
|
|
let TokenContext {
|
|
decimals,
|
|
mint_authority,
|
|
token,
|
|
alice,
|
|
bob,
|
|
..
|
|
} = context.token_context.unwrap();
|
|
|
|
let alice_account = Keypair::new();
|
|
let alice_account = token
|
|
.create_auxiliary_token_account(&alice_account, &alice.pubkey())
|
|
.await
|
|
.unwrap();
|
|
let bob_account = Keypair::new();
|
|
let bob_account = token
|
|
.create_auxiliary_token_account(&bob_account, &bob.pubkey())
|
|
.await
|
|
.unwrap();
|
|
|
|
// mint a lot of tokens, 100x max fee
|
|
let alice_amount = maximum_fee * 100;
|
|
token
|
|
.mint_to(&alice_account, &mint_authority, alice_amount)
|
|
.await
|
|
.unwrap();
|
|
|
|
// incorrect fee, too high
|
|
let transfer_amount = maximum_fee;
|
|
let fee = transfer_fee_config
|
|
.calculate_epoch_fee(0, transfer_amount)
|
|
.unwrap()
|
|
+ 1;
|
|
let error = token
|
|
.transfer_checked_with_fee(
|
|
&alice_account,
|
|
&bob_account,
|
|
&alice,
|
|
transfer_amount,
|
|
decimals,
|
|
fee,
|
|
)
|
|
.await
|
|
.unwrap_err();
|
|
assert_eq!(
|
|
error,
|
|
TokenClientError::Client(Box::new(TransportError::TransactionError(
|
|
TransactionError::InstructionError(
|
|
0,
|
|
InstructionError::Custom(TokenError::FeeMismatch as u32)
|
|
)
|
|
)))
|
|
);
|
|
|
|
// incorrect fee, too low
|
|
let fee = transfer_fee_config
|
|
.calculate_epoch_fee(0, transfer_amount)
|
|
.unwrap()
|
|
- 1;
|
|
let error = token
|
|
.transfer_checked_with_fee(
|
|
&alice_account,
|
|
&bob_account,
|
|
&alice,
|
|
transfer_amount,
|
|
decimals,
|
|
fee,
|
|
)
|
|
.await
|
|
.unwrap_err();
|
|
assert_eq!(
|
|
error,
|
|
TokenClientError::Client(Box::new(TransportError::TransactionError(
|
|
TransactionError::InstructionError(
|
|
0,
|
|
InstructionError::Custom(TokenError::FeeMismatch as u32)
|
|
)
|
|
)))
|
|
);
|
|
|
|
// correct fee, not enough tokens
|
|
let fee = transfer_fee_config
|
|
.calculate_epoch_fee(0, alice_amount + 1)
|
|
.unwrap()
|
|
- 1;
|
|
let error = token
|
|
.transfer_checked_with_fee(
|
|
&alice_account,
|
|
&bob_account,
|
|
&alice,
|
|
alice_amount + 1,
|
|
decimals,
|
|
fee,
|
|
)
|
|
.await
|
|
.unwrap_err();
|
|
assert_eq!(
|
|
error,
|
|
TokenClientError::Client(Box::new(TransportError::TransactionError(
|
|
TransactionError::InstructionError(
|
|
0,
|
|
InstructionError::Custom(TokenError::InsufficientFunds as u32)
|
|
)
|
|
)))
|
|
);
|
|
|
|
// correct fee
|
|
let fee = transfer_fee_config
|
|
.calculate_epoch_fee(0, transfer_amount)
|
|
.unwrap();
|
|
token
|
|
.transfer_checked_with_fee(
|
|
&alice_account,
|
|
&bob_account,
|
|
&alice,
|
|
transfer_amount,
|
|
decimals,
|
|
fee,
|
|
)
|
|
.await
|
|
.unwrap();
|
|
let alice_state = token.get_account_info(&alice_account).await.unwrap();
|
|
assert_eq!(alice_state.base.amount, alice_amount - transfer_amount);
|
|
let extension = alice_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, 0.into());
|
|
let bob_state = token.get_account_info(&bob_account).await.unwrap();
|
|
assert_eq!(bob_state.base.amount, transfer_amount - fee);
|
|
let extension = bob_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, fee.into());
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn no_fees_from_self_transfer() {
|
|
let TransferFeeConfigWithKeypairs {
|
|
transfer_fee_config_authority,
|
|
withdraw_withheld_authority,
|
|
transfer_fee_config,
|
|
..
|
|
} = test_transfer_fee_config_with_keypairs();
|
|
let mut context = TestContext::new().await;
|
|
let transfer_fee_basis_points = u16::from(
|
|
transfer_fee_config
|
|
.newer_transfer_fee
|
|
.transfer_fee_basis_points,
|
|
);
|
|
let maximum_fee = u64::from(transfer_fee_config.newer_transfer_fee.maximum_fee);
|
|
context
|
|
.init_token_with_mint(vec![ExtensionInitializationParams::TransferFeeConfig {
|
|
transfer_fee_config_authority: transfer_fee_config_authority.pubkey().into(),
|
|
withdraw_withheld_authority: withdraw_withheld_authority.pubkey().into(),
|
|
transfer_fee_basis_points,
|
|
maximum_fee,
|
|
}])
|
|
.await
|
|
.unwrap();
|
|
let TokenContext {
|
|
decimals,
|
|
mint_authority,
|
|
token,
|
|
alice,
|
|
..
|
|
} = context.token_context.unwrap();
|
|
|
|
let alice_account = Keypair::new();
|
|
let alice_account = token
|
|
.create_auxiliary_token_account(&alice_account, &alice.pubkey())
|
|
.await
|
|
.unwrap();
|
|
|
|
// mint some tokens
|
|
let amount = maximum_fee;
|
|
token
|
|
.mint_to(&alice_account, &mint_authority, amount)
|
|
.await
|
|
.unwrap();
|
|
|
|
// self transfer, no fee assessed
|
|
let fee = transfer_fee_config.calculate_epoch_fee(0, amount).unwrap();
|
|
token
|
|
.transfer_checked_with_fee(
|
|
&alice_account,
|
|
&alice_account,
|
|
&alice,
|
|
amount,
|
|
decimals,
|
|
fee,
|
|
)
|
|
.await
|
|
.unwrap();
|
|
let alice_state = token.get_account_info(&alice_account).await.unwrap();
|
|
assert_eq!(alice_state.base.amount, amount);
|
|
let extension = alice_state.get_extension::<TransferFeeAmount>().unwrap();
|
|
assert_eq!(extension.withheld_amount, 0.into());
|
|
}
|