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use crate::{ checks::{calculate_fee, check_account_for_balance_with_commitment}, cli::CliError, }; use clap::ArgMatches; use solana_clap_utils::{input_parsers::lamports_of_sol, offline::SIGN_ONLY_ARG}; use solana_client::rpc_client::RpcClient; use solana_sdk::{ commitment_config::CommitmentConfig, fee_calculator::FeeCalculator, message::Message, native_token::lamports_to_sol, pubkey::Pubkey, }; #[derive(Debug, PartialEq, Clone, Copy)] pub enum SpendAmount { All, Some(u64), } impl Default for SpendAmount { fn default() -> Self { Self::Some(u64::default()) } } impl SpendAmount { pub fn new(amount: Option<u64>, sign_only: bool) -> Self { match amount { Some(lamports) => Self::Some(lamports), None if !sign_only => Self::All, _ => panic!("ALL amount not supported for sign-only operations"), } } pub fn new_from_matches(matches: &ArgMatches<'_>, name: &str) -> Self { let amount = lamports_of_sol(matches, name); let sign_only = matches.is_present(SIGN_ONLY_ARG.name); SpendAmount::new(amount, sign_only) } } struct SpendAndFee { spend: u64, fee: u64, } pub fn resolve_spend_tx_and_check_account_balance<F>( rpc_client: &RpcClient, sign_only: bool, amount: SpendAmount, fee_calculator: &FeeCalculator, from_pubkey: &Pubkey, build_message: F, commitment: CommitmentConfig, ) -> Result<(Message, u64), CliError> where F: Fn(u64) -> Message, { resolve_spend_tx_and_check_account_balances( rpc_client, sign_only, amount, fee_calculator, from_pubkey, from_pubkey, build_message, commitment, ) } pub fn resolve_spend_tx_and_check_account_balances<F>( rpc_client: &RpcClient, sign_only: bool, amount: SpendAmount, fee_calculator: &FeeCalculator, from_pubkey: &Pubkey, fee_pubkey: &Pubkey, build_message: F, commitment: CommitmentConfig, ) -> Result<(Message, u64), CliError> where F: Fn(u64) -> Message, { if sign_only { let (message, SpendAndFee { spend, fee: _ }) = resolve_spend_message( amount, fee_calculator, 0, from_pubkey, fee_pubkey, build_message, ); Ok((message, spend)) } else { let from_balance = rpc_client .get_balance_with_commitment(&from_pubkey, commitment)? .value; let (message, SpendAndFee { spend, fee }) = resolve_spend_message( amount, fee_calculator, from_balance, from_pubkey, fee_pubkey, build_message, ); if from_pubkey == fee_pubkey { if from_balance == 0 || from_balance < spend + fee { return Err(CliError::InsufficientFundsForSpendAndFee( lamports_to_sol(spend), lamports_to_sol(fee), *from_pubkey, )); } } else { if from_balance < spend { return Err(CliError::InsufficientFundsForSpend( lamports_to_sol(spend), *from_pubkey, )); } if !check_account_for_balance_with_commitment(rpc_client, fee_pubkey, fee, commitment)? { return Err(CliError::InsufficientFundsForFee( lamports_to_sol(fee), *fee_pubkey, )); } } Ok((message, spend)) } } fn resolve_spend_message<F>( amount: SpendAmount, fee_calculator: &FeeCalculator, from_balance: u64, from_pubkey: &Pubkey, fee_pubkey: &Pubkey, build_message: F, ) -> (Message, SpendAndFee) where F: Fn(u64) -> Message, { match amount { SpendAmount::Some(lamports) => { let message = build_message(lamports); let fee = calculate_fee(fee_calculator, &[&message]); ( message, SpendAndFee { spend: lamports, fee, }, ) } SpendAmount::All => { let dummy_message = build_message(0); let fee = calculate_fee(fee_calculator, &[&dummy_message]); let lamports = if from_pubkey == fee_pubkey { from_balance.saturating_sub(fee) } else { from_balance }; ( build_message(lamports), SpendAndFee { spend: lamports, fee, }, ) } } }