clmm-common 0.1.39

Blockchain, Clmm for Solana
Documentation 
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use borsh::{BorshDeserialize, BorshSerialize};
use solana_program::instruction::{AccountMeta, Instruction};
use solana_program::pubkey::Pubkey;

use crate::program::SWAP_PROGRAM_ID;
use crate::utils::sighash;

#[derive(BorshSerialize, BorshDeserialize, PartialEq, Debug, Clone)]
pub struct UpdateConfigProtocolFeeRateArgs {
    pub new_protocol_fee_rate: Option<u16>,
    pub create_pool_authority: Option<Pubkey>,
    pub claim_authority: Option<Pubkey>,
}

pub fn new_update_config(
    clmm_config: &Pubkey,
    new_protocol_fee_rate: &Option<u16>,
    create_pool_authority: &Option<Pubkey>,
    claim_authority: &Option<Pubkey>,
    payer: Pubkey,
) -> Instruction {
    let data = &UpdateConfigProtocolFeeRateArgs {
        new_protocol_fee_rate: *new_protocol_fee_rate,
        create_pool_authority: *create_pool_authority,
        claim_authority: *claim_authority,
    };
    let mut dsa = data.try_to_vec().unwrap();
    let mut distor = sighash::sighash("global", "update_config").to_vec();
    distor.append(&mut dsa);

    Instruction {
        program_id: SWAP_PROGRAM_ID,
        accounts: vec![
            AccountMeta::new(*clmm_config, false),
            AccountMeta::new_readonly(payer, true),
        ],

        data: distor,
    }
}