# Variables ---- ```rs= [2|3|6-8] /// The amount of gas given to complete `vote` call. const VOTE_GAS: u64 = 100_000_000_000_000; /// The amount of gas given to complete `vote` call. const VOTE_GAS: u64 = 100_000_000_000_000; /// The amount of gas given to complete `vote` call. const VOTE_GAS: u64 = 100_000_000_000_000; /// The amount of gas given to complete `vote` call. const VOTE_GAS: u64 = 100_000_000_000_000; /// The amount of gas given to complete `vote` call. const VOTE_GAS: u64 = 100_000_000_000_000; /// The amount of gas given to complete `vote` call. const VOTE_GAS: u64 = 100_000_000_000_000; ``` ---- <!-- https://github.com/near/core-contracts/blob/144adb11e7499a8d2e05541df3fa92cf10757f29/staking-pool/src/lib.rs#L18-L19 --> ```rs=18 /// The amount of gas given to complete internal `on_stake_action` call. const ON_STAKE_ACTION_GAS: u64 = 20_000_000_000_000; ``` this snippet is setting up a call back from a cross-contract call we expect that call back to take no more than 20 ms which is paid for with 20 Tgas ---- <!-- https://github.com/near/core-contracts/blob/144adb11e7499a8d2e05541df3fa92cf10757f29/staking-pool/src/lib.rs#L185-L186 --> ```=rs185 let account_balance = env::account_balance(); let total_staked_balance = account_balance - STAKE_SHARE_PRICE_GUARANTEE_FUND; ``` these two variables are used to initialize ---- read more here: https://doc.rust-lang.org/book/ch03-01-variables-and-mutability.html --- # Data Types ---- some snippet about data types ---- another snippet about data types --- # Functions ---- some snippet about functions ---- another snippet about functions ---- another snippet about functions ---- another snippet about functions ---- another snippet about functions ---- another snippet about functions