fusionamm-client 1.1.2

Rust client to interact with on-chain FusionAMM program.
Documentation 
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//
// Copyright (c) Cryptic Dot
//
// Modification based on Orca Whirlpools (https://github.com/orca-so/whirlpools),
// originally licensed under the Apache License, Version 2.0, prior to February 26, 2025.
//
// Modifications licensed under FusionAMM SDK Source-Available License v1.0
// See the LICENSE file in the project root for license information.
//

use super::fetch_decoded_program_accounts;
use crate::{DecodedAccount, SparseTickArray, SPARSE_TICK_ARRAY_DISCRIMINATOR};
use solana_client::nonblocking::rpc_client::RpcClient;
use solana_client::rpc_filter::{Memcmp, RpcFilterType};
use solana_pubkey::Pubkey;
use std::error::Error;

#[derive(Debug, Clone)]
pub enum SparseTickArrayFilter {
    StartTickIndex(i32),
    FusionPool(Pubkey),
}

impl From<SparseTickArrayFilter> for RpcFilterType {
    fn from(val: SparseTickArrayFilter) -> Self {
        match val {
            SparseTickArrayFilter::StartTickIndex(tick_index) => RpcFilterType::Memcmp(Memcmp::new_raw_bytes(8, tick_index.to_le_bytes().to_vec())),
            SparseTickArrayFilter::FusionPool(address) => RpcFilterType::Memcmp(Memcmp::new_raw_bytes(12, address.to_bytes().to_vec())),
        }
    }
}

pub async fn fetch_all_sparse_tick_array_with_filter(
    rpc: &RpcClient,
    filters: Vec<SparseTickArrayFilter>,
) -> Result<Vec<DecodedAccount<SparseTickArray>>, Box<dyn Error>> {
    let mut filters: Vec<RpcFilterType> = filters.into_iter().map(|filter| filter.into()).collect();
    filters.push(RpcFilterType::Memcmp(Memcmp::new_raw_bytes(0, SPARSE_TICK_ARRAY_DISCRIMINATOR.to_vec())));
    fetch_decoded_program_accounts(rpc, filters).await
}