132 lines
3.9 KiB
Rust
132 lines
3.9 KiB
Rust
use anchor_lang::{AccountDeserialize, Discriminator};
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use mango_v4::state::{Bank, MangoAccount, MangoAccountValue, MintInfo, PerpMarket, Serum3Market};
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use solana_account_decoder::UiAccountEncoding;
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use solana_client::nonblocking::rpc_client::RpcClient as RpcClientAsync;
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use solana_client::rpc_config::{RpcAccountInfoConfig, RpcProgramAccountsConfig};
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use solana_client::rpc_filter::{Memcmp, RpcFilterType};
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use solana_sdk::pubkey::Pubkey;
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pub async fn fetch_mango_accounts(
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rpc: &RpcClientAsync,
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program: Pubkey,
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group: Pubkey,
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owner: Pubkey,
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) -> anyhow::Result<Vec<(Pubkey, MangoAccountValue)>> {
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let config = RpcProgramAccountsConfig {
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filters: Some(vec![
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RpcFilterType::Memcmp(Memcmp::new_raw_bytes(
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0,
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MangoAccount::discriminator().to_vec(),
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)),
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RpcFilterType::Memcmp(Memcmp::new_raw_bytes(8, group.to_bytes().to_vec())),
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RpcFilterType::Memcmp(Memcmp::new_raw_bytes(40, owner.to_bytes().to_vec())),
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]),
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account_config: RpcAccountInfoConfig {
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encoding: Some(UiAccountEncoding::Base64),
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..RpcAccountInfoConfig::default()
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},
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..RpcProgramAccountsConfig::default()
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};
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rpc.get_program_accounts_with_config(&program, config)
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.await?
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.into_iter()
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.map(|(key, account)| Ok((key, MangoAccountValue::from_bytes(&account.data[8..])?)))
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.collect::<Result<Vec<_>, _>>()
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}
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pub async fn fetch_anchor_account<T: AccountDeserialize>(
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rpc: &RpcClientAsync,
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address: &Pubkey,
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) -> anyhow::Result<T> {
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let account = rpc.get_account(address).await?;
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Ok(T::try_deserialize(&mut (&account.data as &[u8]))?)
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}
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async fn fetch_anchor_accounts<T: AccountDeserialize + Discriminator>(
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rpc: &RpcClientAsync,
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program: Pubkey,
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filters: Vec<RpcFilterType>,
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) -> anyhow::Result<Vec<(Pubkey, T)>> {
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let account_type_filter =
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RpcFilterType::Memcmp(Memcmp::new_raw_bytes(0, T::discriminator().to_vec()));
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let config = RpcProgramAccountsConfig {
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filters: Some([vec![account_type_filter], filters].concat()),
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account_config: RpcAccountInfoConfig {
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encoding: Some(UiAccountEncoding::Base64),
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..RpcAccountInfoConfig::default()
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},
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..RpcProgramAccountsConfig::default()
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};
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rpc.get_program_accounts_with_config(&program, config)
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.await?
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.into_iter()
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.map(|(key, account)| Ok((key, T::try_deserialize(&mut (&account.data as &[u8]))?)))
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.collect()
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}
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pub async fn fetch_banks(
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rpc: &RpcClientAsync,
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program: Pubkey,
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group: Pubkey,
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) -> anyhow::Result<Vec<(Pubkey, Bank)>> {
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fetch_anchor_accounts::<Bank>(
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rpc,
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program,
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vec![RpcFilterType::Memcmp(Memcmp::new_raw_bytes(
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8,
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group.to_bytes().to_vec(),
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))],
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)
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.await
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}
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pub async fn fetch_mint_infos(
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rpc: &RpcClientAsync,
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program: Pubkey,
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group: Pubkey,
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) -> anyhow::Result<Vec<(Pubkey, MintInfo)>> {
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fetch_anchor_accounts::<MintInfo>(
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rpc,
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program,
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vec![RpcFilterType::Memcmp(Memcmp::new_raw_bytes(
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8,
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group.to_bytes().to_vec(),
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))],
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)
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.await
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}
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pub async fn fetch_serum3_markets(
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rpc: &RpcClientAsync,
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program: Pubkey,
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group: Pubkey,
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) -> anyhow::Result<Vec<(Pubkey, Serum3Market)>> {
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fetch_anchor_accounts::<Serum3Market>(
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rpc,
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program,
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vec![RpcFilterType::Memcmp(Memcmp::new_raw_bytes(
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8,
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group.to_bytes().to_vec(),
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))],
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)
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.await
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}
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pub async fn fetch_perp_markets(
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rpc: &RpcClientAsync,
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program: Pubkey,
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group: Pubkey,
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) -> anyhow::Result<Vec<(Pubkey, PerpMarket)>> {
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fetch_anchor_accounts::<PerpMarket>(
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rpc,
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program,
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vec![RpcFilterType::Memcmp(Memcmp::new_raw_bytes(
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8,
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group.to_bytes().to_vec(),
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))],
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)
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.await
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}
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