error: variable does not need to be mutable
   --> pallets/dapp-staking-v3/src/lib.rs:588:17
    |
588 |             let mut ledger = Ledger::<T>::get(&account);
    |                 ----^^^^^^
    |                 |
    |                 help: remove this `mut`
    |
    = note: `-D unused-mut` implied by `-D warnings`

error: unused variable: `amount`
   --> pallets/dapp-staking-v3/src/lib.rs:603:32
    |
603 |             #[pallet::compact] amount: Balance,
    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`

error: unused variable: `smart_contract`
   --> pallets/dapp-staking-v3/src/lib.rs:602:13
    |
602 |             smart_contract: T::SmartContract,
    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_smart_contract`

error: unused variable: `origin`
   --> pallets/dapp-staking-v3/src/lib.rs:601:13
    |
601 |             origin: OriginFor<T>,
    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`

error: unused variable: `ledger`
   --> pallets/dapp-staking-v3/src/lib.rs:588:21
    |
588 |             let mut ledger = Ledger::<T>::get(&account);
    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ledger`

error: unused variable: `protocol_state`
   --> pallets/dapp-staking-v3/src/lib.rs:587:17
    |
587 |             let protocol_state = ActiveProtocolState::<T>::get();
    |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protocol_state`

error: unused variable: `amount`
   --> pallets/dapp-staking-v3/src/lib.rs:577:32
    |
577 |             #[pallet::compact] amount: Balance,
    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
    |
    = note: `-D unused-variables` implied by `-D warnings`