Move fn to sdk
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f929301c60
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@ -14,7 +14,7 @@ use solana_sdk::{
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account_utils::{State, StateMut},
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clock::{Clock, Epoch, UnixTimestamp},
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ic_msg,
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instruction::InstructionError,
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instruction::{checked_add, InstructionError},
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keyed_account::KeyedAccount,
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process_instruction::InvokeContext,
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pubkey::Pubkey,
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@ -70,13 +70,6 @@ impl Default for StakeState {
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}
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}
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fn checked_add(a: u64, b: u64) -> Result<u64, InstructionError> {
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match a.checked_add(b) {
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Some(sum) => Ok(sum),
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None => Err(InstructionError::InsufficientFunds),
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}
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}
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impl StakeState {
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pub fn get_rent_exempt_reserve(rent: &Rent) -> u64 {
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rent.minimum_balance(std::mem::size_of::<StakeState>())
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@ -209,6 +209,13 @@ impl Instruction {
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}
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}
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pub fn checked_add(a: u64, b: u64) -> Result<u64, InstructionError> {
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match a.checked_add(b) {
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Some(sum) => Ok(sum),
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None => Err(InstructionError::InsufficientFunds),
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}
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}
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/// Account metadata used to define Instructions
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#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
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pub struct AccountMeta {
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