Fix slow getProgramAccounts: restore DataSize for both pool sizes, add 3s timeout

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
vibes
2026-03-25 12:42:45 +00:00
parent 322acf8baf
commit ee4a8f685b
+67 -93
View File
@@ -10,9 +10,7 @@ use rand::seq::IndexedRandom;
use solana_account_decoder::UiAccountEncoding;
use solana_sdk::{instruction::AccountMeta, pubkey::Pubkey};
/// PumpSwap 池账户总长度(见 pump-public-docs Breaking Change):8 字节 discriminator + 244 字节 Pool。
/// 官方文档:pool structure needs to be 244 bytes (was 243),含 is_mayhem_mode。DataSize 必须与此一致,否则 getProgramAccounts 会返回 0。
const POOL_ACCOUNT_DATA_LEN: u64 = 8 + 244;
// Pool account sizes moved to find_by_base_mint/find_by_quote_mint (POOL_DATA_LEN_SPL, POOL_DATA_LEN_T22)
/// Constants used as seeds for deriving PDAs (Program Derived Addresses)
pub mod seeds {
@@ -301,116 +299,90 @@ pub async fn fetch_pool(
Ok(pool)
}
pub async fn find_by_base_mint(
/// Known pool account sizes: 252 (SPL Token) and 643 (Token2022)
const POOL_DATA_LEN_SPL: u64 = 8 + 244;
const POOL_DATA_LEN_T22: u64 = 643;
/// Run getProgramAccounts with a Memcmp filter, querying both pool sizes in parallel.
async fn get_program_accounts_both_sizes(
rpc: &SolanaRpcClient,
base_mint: &Pubkey,
) -> Result<(Pubkey, Pool), anyhow::Error> {
// Use getProgramAccounts to find pools for the given mint.
// base_mint 在账户布局中的偏移:8(discriminator) + 1(bump) + 2(index) + 32(creator) = 43
// No DataSize filter: Token2022 pools are 643 bytes vs 252 for SPL Token pools
let filters = vec![
solana_rpc_client_api::filter::RpcFilterType::Memcmp(
solana_client::rpc_filter::Memcmp::new_base58_encoded(43, base_mint.as_ref()),
),
];
let config = solana_rpc_client_api::config::RpcProgramAccountsConfig {
filters: Some(filters),
account_config: solana_rpc_client_api::config::RpcAccountInfoConfig {
encoding: Some(UiAccountEncoding::Base64),
data_slice: None,
commitment: None,
min_context_slot: None,
},
with_context: None,
sort_results: None,
memcmp_offset: usize,
mint: &Pubkey,
) -> Result<Vec<(Pubkey, solana_sdk::account::Account)>, anyhow::Error> {
let make_config = |data_size: u64| {
solana_rpc_client_api::config::RpcProgramAccountsConfig {
filters: Some(vec![
solana_rpc_client_api::filter::RpcFilterType::DataSize(data_size),
solana_rpc_client_api::filter::RpcFilterType::Memcmp(
solana_client::rpc_filter::Memcmp::new_base58_encoded(memcmp_offset, mint.as_ref()),
),
]),
account_config: solana_rpc_client_api::config::RpcAccountInfoConfig {
encoding: Some(UiAccountEncoding::Base64),
data_slice: None,
commitment: None,
min_context_slot: None,
},
with_context: None,
sort_results: None,
}
};
let program_id = accounts::AMM_PROGRAM;
#[allow(deprecated)]
let accounts = rpc.get_program_accounts_with_config(&program_id, config).await?;
if accounts.is_empty() {
return Err(anyhow!("No pool found for mint {}", base_mint));
}
let accounts_count = accounts.len(); // 🔧 保存长度,因为 into_iter() 会消耗 accounts
let mut pools: Vec<_> = accounts
let (spl_result, t22_result) = tokio::join!(
rpc.get_program_accounts_with_config(&program_id, make_config(POOL_DATA_LEN_SPL)),
rpc.get_program_accounts_with_config(&program_id, make_config(POOL_DATA_LEN_T22)),
);
let mut all = spl_result.unwrap_or_default();
all.extend(t22_result.unwrap_or_default());
Ok(all)
}
fn decode_pool_accounts(accounts: Vec<(Pubkey, solana_sdk::account::Account)>) -> Vec<(Pubkey, Pool)> {
accounts
.into_iter()
.filter_map(|(addr, acc)| {
// 🔧 修复:跳过8字节的discriminator
if acc.data.len() > 8 {
pool_decode(&acc.data[8..]).map(|pool| (addr, pool))
} else {
None
}
})
.collect();
.collect()
}
// 🔧 修复:检查过滤后的 pools 是否为空(accounts 可能不为空但解码全部失败)
if pools.is_empty() {
return Err(anyhow!(
"No valid pool decoded for mint {} (found {} accounts but all decode failed)",
base_mint,
accounts_count
));
pub async fn find_by_base_mint(
rpc: &SolanaRpcClient,
base_mint: &Pubkey,
) -> Result<(Pubkey, Pool), anyhow::Error> {
// base_mint offset: 8(discriminator) + 1(bump) + 2(index) + 32(creator) = 43
let accounts = get_program_accounts_both_sizes(rpc, 43, base_mint).await?;
if accounts.is_empty() {
return Err(anyhow!("No pool found for mint {}", base_mint));
}
let mut pools = decode_pool_accounts(accounts);
if pools.is_empty() {
return Err(anyhow!("No valid pool decoded for mint {}", base_mint));
}
pools.sort_by(|a, b| b.1.lp_supply.cmp(&a.1.lp_supply));
let first = &pools[0];
Ok((first.0, first.1.clone()))
Ok((pools[0].0, pools[0].1.clone()))
}
pub async fn find_by_quote_mint(
rpc: &SolanaRpcClient,
quote_mint: &Pubkey,
) -> Result<(Pubkey, Pool), anyhow::Error> {
// Use getProgramAccounts to find pools for the given mint.
// quote_mint 在账户布局中的偏移:8 + 1 + 2 + 32 + 32 = 75
// No DataSize filter: Token2022 pools are 643 bytes vs 252 for SPL Token pools
let filters = vec![
solana_rpc_client_api::filter::RpcFilterType::Memcmp(
solana_client::rpc_filter::Memcmp::new_base58_encoded(75, quote_mint.as_ref()),
),
];
let config = solana_rpc_client_api::config::RpcProgramAccountsConfig {
filters: Some(filters),
account_config: solana_rpc_client_api::config::RpcAccountInfoConfig {
encoding: Some(UiAccountEncoding::Base64),
data_slice: None,
commitment: None,
min_context_slot: None,
},
with_context: None,
sort_results: None,
};
let program_id = accounts::AMM_PROGRAM;
#[allow(deprecated)]
let accounts = rpc.get_program_accounts_with_config(&program_id, config).await?;
// quote_mint offset: 8 + 1 + 2 + 32 + 32 = 75
let accounts = get_program_accounts_both_sizes(rpc, 75, quote_mint).await?;
if accounts.is_empty() {
return Err(anyhow!("No pool found for mint {}", quote_mint));
}
let accounts_count = accounts.len(); // 🔧 保存长度,因为 into_iter() 会消耗 accounts
let mut pools: Vec<_> = accounts
.into_iter()
.filter_map(|(addr, acc)| {
// 🔧 修复:跳过8字节的discriminator
if acc.data.len() > 8 {
pool_decode(&acc.data[8..]).map(|pool| (addr, pool))
} else {
None
}
})
.collect();
// 🔧 修复:检查过滤后的 pools 是否为空(accounts 可能不为空但解码全部失败)
let mut pools = decode_pool_accounts(accounts);
if pools.is_empty() {
return Err(anyhow!(
"No valid pool decoded for quote_mint {} (found {} accounts but all decode failed)",
quote_mint,
accounts_count
));
return Err(anyhow!("No valid pool decoded for quote_mint {}", quote_mint));
}
pools.sort_by(|a, b| b.1.lp_supply.cmp(&a.1.lp_supply));
let first = &pools[0];
Ok((first.0, first.1.clone()))
Ok((pools[0].0, pools[0].1.clone()))
}
/// 按 mint 查找 PumpSwap 池(本函数仅用于 PumpSwap,其他 DEX 勿用)。
@@ -444,14 +416,16 @@ pub async fn find_by_mint(
Err(e) => diag.push(format!("canonical get_account/decode 失败: {}", e)),
}
// 3. 回退:getProgramAccounts base_mint / quote_mint
match find_by_base_mint(rpc, mint).await {
Ok((address, pool)) => return Ok((address, pool)),
Err(e) => diag.push(format!("getProgramAccounts(base_mint): {}", e)),
// 3. Fallback: getProgramAccounts by base_mint / quote_mint (with 3s timeout to avoid blocking)
match tokio::time::timeout(std::time::Duration::from_secs(3), find_by_base_mint(rpc, mint)).await {
Ok(Ok((address, pool))) => return Ok((address, pool)),
Ok(Err(e)) => diag.push(format!("getProgramAccounts(base_mint): {}", e)),
Err(_) => diag.push("getProgramAccounts(base_mint): timed out (3s)".into()),
}
match find_by_quote_mint(rpc, mint).await {
Ok((address, pool)) => return Ok((address, pool)),
Err(e) => diag.push(format!("getProgramAccounts(quote_mint): {}", e)),
match tokio::time::timeout(std::time::Duration::from_secs(3), find_by_quote_mint(rpc, mint)).await {
Ok(Ok((address, pool))) => return Ok((address, pool)),
Ok(Err(e)) => diag.push(format!("getProgramAccounts(quote_mint): {}", e)),
Err(_) => diag.push("getProgramAccounts(quote_mint): timed out (3s)".into()),
}
let diag_str = diag.join("; ");