3 Get fees for pools on Phoenix and Aquarius

[chopan123]

On Aquarius:
I need fee fraction from Zephyr
Which can be got from instance storage:

e.storage().instance().get(&DataKey::FeeFraction)

on phoenix

        let config = Config {
            max_allowed_slippage_bps: 100,
            token_a: Address::generate(&env),
            token_b: Address::generate(&env),
            share_token: Address::generate(&env),
            stake_contract: Address::generate(&env),
            pool_type: PairType::Xyk,
            total_fee_bps: 10i64,
            fee_recipient: Address::generate(&env),
            max_allowed_spread_bps: 10_i64,
            max_referral_bps: 10i64,
            default_slippage_bps: 100i64,
        };

    pub fn save_config(env: &Env, config: Config) {
    env.storage().persistent().set(&CONFIG, &config);
    env.storage().persistent().extend_ttl(
        &CONFIG,
        PERSISTENT_LIFETIME_THRESHOLD,
        PERSISTENT_BUMP_AMOUNT,
    );
}



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