58 lines
1.4 KiB
Rust
58 lines
1.4 KiB
Rust
//! This account contains the current cluster fees
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//!
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use crate::account::Account;
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use crate::fee_calculator::FeeCalculator;
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use crate::sysvar;
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use bincode::serialized_size;
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/// fees account pubkey
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const ID: [u8; 32] = [
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6, 167, 213, 23, 24, 226, 90, 141, 131, 80, 60, 37, 26, 122, 240, 113, 38, 253, 114, 0, 223,
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111, 196, 237, 82, 106, 156, 144, 0, 0, 0, 0,
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];
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crate::solana_name_id!(ID, "SysvarFees111111111111111111111111111111111");
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#[repr(C)]
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#[derive(Serialize, Deserialize, Debug, Default)]
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pub struct Fees {
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pub fee_calculator: FeeCalculator,
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}
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impl Fees {
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pub fn from(account: &Account) -> Option<Self> {
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account.deserialize_data().ok()
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}
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pub fn to(&self, account: &mut Account) -> Option<()> {
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account.serialize_data(self).ok()
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}
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pub fn size_of() -> usize {
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serialized_size(&Fees::default()).unwrap() as usize
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}
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}
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pub fn create_account(lamports: u64, fee_calculator: &FeeCalculator) -> Account {
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Account::new_data(
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lamports,
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&Fees {
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fee_calculator: fee_calculator.clone(),
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},
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&sysvar::id(),
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)
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.unwrap()
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_fees_create_account() {
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let lamports = 42;
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let account = create_account(lamports, &FeeCalculator::default());
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let fees = Fees::from(&account).unwrap();
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assert_eq!(fees.fee_calculator, FeeCalculator::default());
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}
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}
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