Release solana-streamer-sdk v1.4.3

Route gRPC, ShredStream, and account parsing through sol-parser-sdk.

Remove local protocol parsing implementations.

Depend on sol-parser-sdk v0.4.8 from crates.io.
This commit is contained in:
0xfnzero
2026-05-16 06:45:35 +08:00
parent 55e6bc6459
commit 92bac16fd4
43 changed files with 837 additions and 5460 deletions
@@ -97,136 +97,6 @@ pub struct PumpFunCreateV2TokenEvent {
pub program: Pubkey,
}
pub fn pumpfun_create_v2_token_event_log_decode(data: &[u8]) -> Option<PumpFunCreateV2TokenEvent> {
let mut offset = 0;
// Parse name string: [length (4 bytes u32)][string bytes]
if data.len() < offset + 4 {
return None;
}
let name_len = u32::from_le_bytes(data[offset..offset + 4].try_into().ok()?) as usize;
offset += 4;
if data.len() < offset + name_len {
return None;
}
let name = String::from_utf8(data[offset..offset + name_len].to_vec()).ok()?;
offset += name_len;
// Parse symbol string
if data.len() < offset + 4 {
return None;
}
let symbol_len = u32::from_le_bytes(data[offset..offset + 4].try_into().ok()?) as usize;
offset += 4;
if data.len() < offset + symbol_len {
return None;
}
let symbol = String::from_utf8(data[offset..offset + symbol_len].to_vec()).ok()?;
offset += symbol_len;
// Parse uri string
if data.len() < offset + 4 {
return None;
}
let uri_len = u32::from_le_bytes(data[offset..offset + 4].try_into().ok()?) as usize;
offset += 4;
if data.len() < offset + uri_len {
return None;
}
let uri = String::from_utf8(data[offset..offset + uri_len].to_vec()).ok()?;
offset += uri_len;
// Parse Pubkey fields (32 bytes each)
if data.len() < offset + 32 {
return None;
}
let mint = Pubkey::new_from_array(data[offset..offset + 32].try_into().ok()?);
offset += 32;
if data.len() < offset + 32 {
return None;
}
let bonding_curve = Pubkey::new_from_array(data[offset..offset + 32].try_into().ok()?);
offset += 32;
if data.len() < offset + 32 {
return None;
}
let user = Pubkey::new_from_array(data[offset..offset + 32].try_into().ok()?);
offset += 32;
if data.len() < offset + 32 {
return None;
}
let creator = Pubkey::new_from_array(data[offset..offset + 32].try_into().ok()?);
offset += 32;
// Parse numeric fields
if data.len() < offset + 8 {
return None;
}
let timestamp = i64::from_le_bytes(data[offset..offset + 8].try_into().ok()?);
offset += 8;
if data.len() < offset + 8 {
return None;
}
let virtual_token_reserves = u64::from_le_bytes(data[offset..offset + 8].try_into().ok()?);
offset += 8;
if data.len() < offset + 8 {
return None;
}
let virtual_sol_reserves = u64::from_le_bytes(data[offset..offset + 8].try_into().ok()?);
offset += 8;
if data.len() < offset + 8 {
return None;
}
let real_token_reserves = u64::from_le_bytes(data[offset..offset + 8].try_into().ok()?);
offset += 8;
if data.len() < offset + 8 {
return None;
}
let token_total_supply = u64::from_le_bytes(data[offset..offset + 8].try_into().ok()?);
offset += 8;
// If data length allows, parse V2 extra fields: token_program (32 bytes) + is_mayhem_mode (1 byte) + is_cashback_enabled (1 byte)
let (token_program, is_mayhem_mode, is_cashback_enabled) = if data.len() >= offset + 34 {
let token_program = Pubkey::new_from_array(data[offset..offset + 32].try_into().ok()?);
let is_mayhem_mode = data[offset + 32] != 0;
let is_cashback_enabled = data[offset + 33] != 0;
(token_program, is_mayhem_mode, is_cashback_enabled)
} else if data.len() >= offset + 33 {
// Backward compat: only token_program + is_mayhem_mode, no is_cashback_enabled
let token_program = Pubkey::new_from_array(data[offset..offset + 32].try_into().ok()?);
let is_mayhem_mode = data[offset + 32] != 0;
(token_program, is_mayhem_mode, false)
} else {
(Pubkey::default(), false, false)
};
Some(PumpFunCreateV2TokenEvent {
name,
symbol,
uri,
mint,
bonding_curve,
user,
creator,
timestamp,
virtual_token_reserves,
virtual_sol_reserves,
real_token_reserves,
token_total_supply,
token_program,
is_mayhem_mode,
is_cashback_enabled,
..Default::default()
})
}
#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, BorshDeserialize)]
pub struct PumpFunTradeEvent {
#[borsh(skip)]
@@ -318,49 +188,6 @@ pub struct PumpFunTradeEvent {
/// Layout: mint(32)+sol_amount(8)+token_amount(8)+is_buy(1)+user(32)+timestamp(8)+virtual_sol(8)+virtual_token(8)+real_sol(8)+real_token(8)+fee_recipient(32)+fee_basis_points(8)+fee(8)+creator(32)+creator_fee_bps(8)+creator_fee(8)+track_volume(1)+total_unclaimed(8)+total_claimed(8)+current_sol_volume(8)+last_update_timestamp(8) = 250
pub const PUMPFUN_TRADE_EVENT_LOG_SIZE: usize = 250;
/// Decode TradeEvent log; if data.len() > 250 then parse ix_name, mayhem_mode, cashback (IDL-aligned).
pub fn pumpfun_trade_event_log_decode(data: &[u8]) -> Option<PumpFunTradeEvent> {
if data.len() < PUMPFUN_TRADE_EVENT_LOG_SIZE {
return None;
}
let mut event =
borsh::from_slice::<PumpFunTradeEvent>(&data[..PUMPFUN_TRADE_EVENT_LOG_SIZE]).ok()?;
let mut offset = PUMPFUN_TRADE_EVENT_LOG_SIZE;
if offset < data.len() {
let (ix_name, inc) = read_borsh_string(data, offset).unwrap_or((String::new(), 0));
offset += inc;
event.ix_name = ix_name;
}
if offset + 1 <= data.len() {
event.mayhem_mode = data[offset] != 0;
offset += 1;
}
if offset + 8 <= data.len() {
event.cashback_fee_basis_points =
u64::from_le_bytes(data[offset..offset + 8].try_into().ok()?);
offset += 8;
}
if offset + 8 <= data.len() {
event.cashback = u64::from_le_bytes(data[offset..offset + 8].try_into().ok()?);
}
event.is_cashback_coin = event.cashback_fee_basis_points > 0;
Some(event)
}
#[inline]
fn read_borsh_string(data: &[u8], start: usize) -> Option<(String, usize)> {
if start + 4 > data.len() {
return None;
}
let len = u32::from_le_bytes(data[start..start + 4].try_into().ok()?) as usize;
let start = start + 4;
if start + len > data.len() {
return None;
}
let s = String::from_utf8_lossy(&data[start..start + len]).to_string();
Some((s, 4 + len))
}
#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, BorshDeserialize)]
pub struct PumpFunMigrateEvent {
#[borsh(skip)]
@@ -551,13 +378,6 @@ pub struct PumpFunMigrateBondingCurveCreatorEvent {
pub const PUMPFUN_MIGRATE_EVENT_LOG_SIZE: usize = 160;
pub fn pumpfun_migrate_event_log_decode(data: &[u8]) -> Option<PumpFunMigrateEvent> {
if data.len() < PUMPFUN_MIGRATE_EVENT_LOG_SIZE {
return None;
}
borsh::from_slice::<PumpFunMigrateEvent>(&data[..PUMPFUN_MIGRATE_EVENT_LOG_SIZE]).ok()
}
/// Bonding curve
#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, BorshDeserialize)]
pub struct PumpFunBondingCurveAccountEvent {
+12 -423
View File
@@ -1,448 +1,37 @@
use crate::streaming::event_parser::{
common::{EventMetadata, EventType},
protocols::pumpfun::{
discriminators, pumpfun_create_v2_token_event_log_decode, pumpfun_migrate_event_log_decode,
pumpfun_trade_event_log_decode, PumpFunCreateTokenEvent, PumpFunCreateV2TokenEvent,
PumpFunMigrateEvent, PumpFunTradeEvent,
},
DexEvent,
common::EventMetadata, core::EventDispatcher, DexEvent, Protocol,
};
use solana_sdk::pubkey::Pubkey;
/// PumpFun程序ID
pub const PUMPFUN_PROGRAM_ID: Pubkey =
solana_sdk::pubkey!("6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P");
pub use sol_parser_sdk::instr::program_ids::PUMPFUN_PROGRAM_ID;
/// 解析 PumpFun instruction data
///
/// 根据判别器路由到具体的 instruction 解析函数
pub fn parse_pumpfun_instruction_data(
discriminator: &[u8],
data: &[u8],
accounts: &[Pubkey],
metadata: EventMetadata,
) -> Option<DexEvent> {
match discriminator {
discriminators::CREATE_TOKEN_IX => parse_create_token_instruction(data, accounts, metadata),
discriminators::CREATE_V2_TOKEN_IX => {
parse_create_v2_token_instruction(data, accounts, metadata)
}
discriminators::BUY_IX => parse_buy_instruction(data, accounts, metadata),
discriminators::BUY_EXACT_SOL_IN_IX => {
parse_buy_exact_sol_in_instruction(data, accounts, metadata)
}
discriminators::SELL_IX => parse_sell_instruction(data, accounts, metadata),
discriminators::MIGRATE_IX => parse_migrate_instruction(data, accounts, metadata),
_ => None,
}
EventDispatcher::dispatch_instruction(
Protocol::PumpFun,
discriminator,
data,
accounts,
metadata,
)
}
/// 解析 PumpFun inner instruction data
///
/// 根据判别器路由到具体的 inner instruction 解析函数
pub fn parse_pumpfun_inner_instruction_data(
discriminator: &[u8],
data: &[u8],
metadata: EventMetadata,
) -> Option<DexEvent> {
match discriminator {
discriminators::CREATE_TOKEN_EVENT => parse_create_token_inner_instruction(data, metadata),
discriminators::TRADE_EVENT => parse_trade_inner_instruction(data, metadata),
discriminators::COMPLETE_PUMP_AMM_MIGRATION_EVENT => {
parse_migrate_inner_instruction(data, metadata)
}
_ => None,
}
EventDispatcher::dispatch_inner_instruction(Protocol::PumpFun, discriminator, data, metadata)
}
/// 解析 PumpFun 账户数据
///
/// 根据判别器路由到具体的账户解析函数
pub fn parse_pumpfun_account_data(
discriminator: &[u8],
account: &crate::streaming::grpc::AccountPretty,
metadata: crate::streaming::event_parser::common::EventMetadata,
) -> Option<crate::streaming::event_parser::DexEvent> {
match discriminator {
discriminators::BONDING_CURVE_ACCOUNT => {
crate::streaming::event_parser::protocols::pumpfun::types::bonding_curve_parser(
account, metadata,
)
}
discriminators::GLOBAL_ACCOUNT => {
crate::streaming::event_parser::protocols::pumpfun::types::global_parser(
account, metadata,
)
}
_ => None,
}
}
/// 解析迁移事件
fn parse_migrate_inner_instruction(data: &[u8], mut metadata: EventMetadata) -> Option<DexEvent> {
metadata.event_type = EventType::PumpFunMigrate;
if let Some(event) = pumpfun_migrate_event_log_decode(data) {
Some(DexEvent::PumpFunMigrateEvent(PumpFunMigrateEvent { metadata, ..event }))
} else {
None
}
}
/// 解析创建代币日志事件
fn parse_create_token_inner_instruction(
data: &[u8],
mut metadata: EventMetadata,
metadata: EventMetadata,
) -> Option<DexEvent> {
metadata.event_type = EventType::PumpFunCreateToken;
if let Some(event) = pumpfun_create_v2_token_event_log_decode(data) {
Some(DexEvent::PumpFunCreateV2TokenEvent(PumpFunCreateV2TokenEvent { metadata, ..event }))
} else {
None
}
}
/// 解析交易事件 (inner instruction 不设置 event_type,因为不知道是 Buy 还是 Sell)
fn parse_trade_inner_instruction(data: &[u8], metadata: EventMetadata) -> Option<DexEvent> {
// 注意:inner instruction 的 trade event 不设置 event_type
// 因为它会被合并到 instruction event 中,而 instruction event 已经设置了正确的 event_type
if let Some(event) = pumpfun_trade_event_log_decode(data) {
Some(DexEvent::PumpFunTradeEvent(PumpFunTradeEvent { metadata, ..event }))
} else {
None
}
}
/// 解析创建代币指令事件
/// 账户: 0: mint, 1: mint_authority, 2: bonding_curve, 3: associated_bonding_curve, 4: global,
/// 5: mpl_token_metadata, 6: metadata_account, 7: user, 8: system_program, 9: token_program,
/// 10: associated_token_program, 11: rent, 12: event_authority, 13: program.
/// 共 14 个固定账户,不足时返回 None 避免越界。
fn parse_create_token_instruction(
data: &[u8],
accounts: &[Pubkey],
mut metadata: EventMetadata,
) -> Option<DexEvent> {
metadata.event_type = EventType::PumpFunCreateToken;
const CREATE_TOKEN_MIN_ACCOUNTS: usize = 14;
if data.len() < 16 || accounts.len() < CREATE_TOKEN_MIN_ACCOUNTS {
return None;
}
let mut offset = 0;
if offset + 4 > data.len() {
return None;
}
let name_len = u32::from_le_bytes(data[offset..offset + 4].try_into().unwrap()) as usize;
offset += 4;
if offset + name_len > data.len() {
return None;
}
let name = String::from_utf8_lossy(&data[offset..offset + name_len]);
offset += name_len;
if offset + 4 > data.len() {
return None;
}
let symbol_len = u32::from_le_bytes(data[offset..offset + 4].try_into().unwrap()) as usize;
offset += 4;
if offset + symbol_len > data.len() {
return None;
}
let symbol = String::from_utf8_lossy(&data[offset..offset + symbol_len]);
offset += symbol_len;
if offset + 4 > data.len() {
return None;
}
let uri_len = u32::from_le_bytes(data[offset..offset + 4].try_into().unwrap()) as usize;
offset += 4;
if offset + uri_len > data.len() {
return None;
}
let uri = String::from_utf8_lossy(&data[offset..offset + uri_len]);
offset += uri_len;
let creator = if offset + 32 <= data.len() {
Pubkey::new_from_array(data[offset..offset + 32].try_into().ok()?)
} else {
Pubkey::default()
};
Some(DexEvent::PumpFunCreateTokenEvent(PumpFunCreateTokenEvent {
metadata,
name: name.to_string(),
symbol: symbol.to_string(),
uri: uri.to_string(),
creator,
mint: accounts[0],
mint_authority: accounts[1],
bonding_curve: accounts[2],
associated_bonding_curve: accounts[3],
global: accounts[4],
mpl_token_metadata: accounts[5],
metadata_account: accounts[6],
user: accounts[7],
system_program: accounts[8],
token_program: accounts[9],
associated_token_program: accounts[10],
rent: accounts[11],
event_authority: accounts[12],
program: accounts[13],
..Default::default()
}))
}
/// 解析创建 V2 代币指令事件 (SPL-22 Token, Mayhem Mode)
/// 与 IDL create_v2 及区块浏览器一致,共 16 个固定账户:
/// 0: mint, 1: mint_authority, 2: bonding_curve, 3: associated_bonding_curve, 4: global,
/// 5: user, 6: system_program, 7: token_program, 8: associated_token_program, 9: mayhem_program_id,
/// 10: global_params, 11: sol_vault, 12: mayhem_state, 13: mayhem_token_vault, 14: event_authority, 15: program.
/// 不足 16 个账户时返回 None 避免越界。
/// 注意:shredstream 路径仅传入 static_account_keys,若交易使用 Address Lookup Tables
/// 无法解析 loaded_addresses,部分账户会以 default 填充,导致 token_program/global 等错误。
fn parse_create_v2_token_instruction(
data: &[u8],
accounts: &[Pubkey],
mut metadata: EventMetadata,
) -> Option<DexEvent> {
const CREATE_V2_MIN_ACCOUNTS: usize = 16;
// Guard: avoid index out of bounds (e.g. ALT-loaded tx with fewer static accounts). See issue #63.
if accounts.len() < CREATE_V2_MIN_ACCOUNTS || data.len() < 16 {
return None;
}
metadata.event_type = EventType::PumpFunCreateV2Token;
let mut offset = 0;
if offset + 4 > data.len() {
return None;
}
let name_len = u32::from_le_bytes(data[offset..offset + 4].try_into().unwrap()) as usize;
offset += 4;
if offset + name_len > data.len() {
return None;
}
let name = String::from_utf8_lossy(&data[offset..offset + name_len]);
offset += name_len;
if offset + 4 > data.len() {
return None;
}
let symbol_len = u32::from_le_bytes(data[offset..offset + 4].try_into().unwrap()) as usize;
offset += 4;
if offset + symbol_len > data.len() {
return None;
}
let symbol = String::from_utf8_lossy(&data[offset..offset + symbol_len]);
offset += symbol_len;
if offset + 4 > data.len() {
return None;
}
let uri_len = u32::from_le_bytes(data[offset..offset + 4].try_into().unwrap()) as usize;
offset += 4;
if offset + uri_len > data.len() {
return None;
}
let uri = String::from_utf8_lossy(&data[offset..offset + uri_len]);
offset += uri_len;
let creator = if offset + 32 <= data.len() {
Pubkey::new_from_array(data[offset..offset + 32].try_into().ok()?)
} else {
Pubkey::default()
};
// Safe slice: already guaranteed accounts.len() >= 16 above; avoid any index panic (issue #63).
let acc = &accounts[0..CREATE_V2_MIN_ACCOUNTS];
Some(DexEvent::PumpFunCreateV2TokenEvent(PumpFunCreateV2TokenEvent {
metadata,
name: name.to_string(),
symbol: symbol.to_string(),
uri: uri.to_string(),
creator,
mint: acc[0],
mint_authority: acc[1],
bonding_curve: acc[2],
associated_bonding_curve: acc[3],
global: acc[4],
user: acc[5],
system_program: acc[6],
token_program: acc[7],
associated_token_program: acc[8],
mayhem_program_id: acc[9],
global_params: acc[10],
sol_vault: acc[11],
mayhem_state: acc[12],
mayhem_token_vault: acc[13],
event_authority: acc[14],
program: acc[15],
..Default::default()
}))
}
/// Parse buy instruction event.
/// Buy has 16 fixed accounts + optional 17th (index 16, "Account" on block explorers):
/// 0: global, 1: fee_recipient, 2: mint, 3: bonding_curve, 4: associated_bonding_curve,
/// 5: associated_user, 6: user, 7: system_program, 8: token_program, 9: creator_vault,
/// 10: event_authority, 11: program, 12: global_volume_accumulator, 13: user_volume_accumulator,
/// 14: fee_config, 15: fee_program, 16 (optional): account.
fn parse_buy_instruction(
data: &[u8],
accounts: &[Pubkey],
mut metadata: EventMetadata,
) -> Option<DexEvent> {
metadata.event_type = EventType::PumpFunBuy;
if data.len() < 16 || accounts.len() < 16 {
return None;
}
let amount = u64::from_le_bytes(data[0..8].try_into().unwrap());
let max_sol_cost = u64::from_le_bytes(data[8..16].try_into().unwrap());
Some(DexEvent::PumpFunTradeEvent(PumpFunTradeEvent {
metadata,
global: accounts[0],
fee_recipient: accounts[1],
mint: accounts[2],
bonding_curve: accounts[3],
associated_bonding_curve: accounts[4],
associated_user: accounts[5],
user: accounts[6],
system_program: accounts[7],
token_program: accounts[8],
creator_vault: accounts[9],
event_authority: accounts[10],
program: accounts[11],
global_volume_accumulator: accounts[12],
user_volume_accumulator: accounts[13],
fee_config: accounts[14],
fee_program: accounts[15],
account: accounts.get(16).copied(),
max_sol_cost,
amount,
is_buy: true,
..Default::default()
}))
}
/// Parse buy_exact_sol_in instruction event.
/// Same account layout as buy: 16 fixed + optional 17th (index 16).
/// Args: spendable_sol_in (SOL), min_tokens_out (token).
fn parse_buy_exact_sol_in_instruction(
data: &[u8],
accounts: &[Pubkey],
mut metadata: EventMetadata,
) -> Option<DexEvent> {
metadata.event_type = EventType::PumpFunBuyExactSolIn;
if data.len() < 16 || accounts.len() < 16 {
return None;
}
let spendable_sol_in = u64::from_le_bytes(data[0..8].try_into().unwrap());
let min_tokens_out = u64::from_le_bytes(data[8..16].try_into().unwrap());
Some(DexEvent::PumpFunTradeEvent(PumpFunTradeEvent {
metadata,
global: accounts[0],
fee_recipient: accounts[1],
mint: accounts[2],
bonding_curve: accounts[3],
associated_bonding_curve: accounts[4],
associated_user: accounts[5],
user: accounts[6],
system_program: accounts[7],
token_program: accounts[8],
creator_vault: accounts[9],
event_authority: accounts[10],
program: accounts[11],
global_volume_accumulator: accounts[12],
user_volume_accumulator: accounts[13],
fee_config: accounts[14],
fee_program: accounts[15],
account: accounts.get(16).copied(),
max_sol_cost: spendable_sol_in,
amount: min_tokens_out,
is_buy: true,
..Default::default()
}))
}
/// Parse sell instruction event.
/// Sell has 14 fixed accounts; some versions pass 17 accounts, index 16 = "Account" on block explorers.
fn parse_sell_instruction(
data: &[u8],
accounts: &[Pubkey],
mut metadata: EventMetadata,
) -> Option<DexEvent> {
metadata.event_type = EventType::PumpFunSell;
if data.len() < 16 || accounts.len() < 14 {
return None;
}
let amount = u64::from_le_bytes(data[0..8].try_into().unwrap());
let min_sol_output = u64::from_le_bytes(data[8..16].try_into().unwrap());
Some(DexEvent::PumpFunTradeEvent(PumpFunTradeEvent {
metadata,
global: accounts[0],
fee_recipient: accounts[1],
mint: accounts[2],
bonding_curve: accounts[3],
associated_bonding_curve: accounts[4],
associated_user: accounts[5],
user: accounts[6],
system_program: accounts[7],
creator_vault: accounts[8],
token_program: accounts[9],
event_authority: accounts[10],
program: accounts[11],
global_volume_accumulator: Pubkey::default(),
user_volume_accumulator: Pubkey::default(),
fee_config: accounts[12],
fee_program: accounts[13],
account: accounts.get(16).copied(),
min_sol_output,
amount,
is_buy: false,
..Default::default()
}))
}
/// 解析迁移指令事件
/// 共 24 个固定账户: 0: global, 1: withdraw_authority, 2: mint, 3: bonding_curve, 4: associated_bonding_curve,
/// 5: user, 6: system_program, 7: token_program, 8: pump_amm, 9: pool, 10: pool_authority,
/// 11: pool_authority_mint_account, 12: pool_authority_wsol_account, 13: amm_global_config, 14: wsol_mint,
/// 15: lp_mint, 16: user_pool_token_account, 17: pool_base_token_account, 18: pool_quote_token_account,
/// 19: token_2022_program, 20: associated_token_program, 21: pump_amm_event_authority, 22: event_authority, 23: program.
fn parse_migrate_instruction(
_data: &[u8],
accounts: &[Pubkey],
mut metadata: EventMetadata,
) -> Option<DexEvent> {
metadata.event_type = EventType::PumpFunMigrate;
if accounts.len() < 24 {
return None;
}
Some(DexEvent::PumpFunMigrateEvent(PumpFunMigrateEvent {
metadata,
global: accounts[0],
withdraw_authority: accounts[1],
mint: accounts[2],
bonding_curve: accounts[3],
associated_bonding_curve: accounts[4],
user: accounts[5],
system_program: accounts[6],
token_program: accounts[7],
pump_amm: accounts[8],
pool: accounts[9],
pool_authority: accounts[10],
pool_authority_mint_account: accounts[11],
pool_authority_wsol_account: accounts[12],
amm_global_config: accounts[13],
wsol_mint: accounts[14],
lp_mint: accounts[15],
user_pool_token_account: accounts[16],
pool_base_token_account: accounts[17],
pool_quote_token_account: accounts[18],
token_2022_program: accounts[19],
associated_token_program: accounts[20],
pump_amm_event_authority: accounts[21],
event_authority: accounts[22],
program: accounts[23],
..Default::default()
}))
EventDispatcher::dispatch_account(Protocol::PumpFun, discriminator, account, metadata)
}
@@ -2,15 +2,6 @@ use borsh::BorshDeserialize;
use serde::{Deserialize, Serialize};
use solana_sdk::pubkey::Pubkey;
use crate::streaming::{
event_parser::{
common::{EventMetadata, EventType},
protocols::pumpfun::{PumpFunBondingCurveAccountEvent, PumpFunGlobalAccountEvent},
DexEvent,
},
grpc::AccountPretty,
};
#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, BorshDeserialize)]
pub struct BondingCurve {
pub virtual_token_reserves: u64,
@@ -26,37 +17,6 @@ pub struct BondingCurve {
pub const BONDING_CURVE_SIZE: usize = 8 * 5 + 1 + 32 + 1 + 1;
pub fn bonding_curve_decode(data: &[u8]) -> Option<BondingCurve> {
if data.len() < BONDING_CURVE_SIZE {
return None;
}
borsh::from_slice::<BondingCurve>(&data[..BONDING_CURVE_SIZE]).ok()
}
pub fn bonding_curve_parser(
account: &AccountPretty,
mut metadata: EventMetadata,
) -> Option<DexEvent> {
metadata.event_type = EventType::AccountPumpFunBondingCurve;
if account.data.len() < BONDING_CURVE_SIZE + 8 {
return None;
}
if let Some(bonding_curve) = bonding_curve_decode(&account.data[8..BONDING_CURVE_SIZE + 8]) {
Some(DexEvent::PumpFunBondingCurveAccountEvent(PumpFunBondingCurveAccountEvent {
metadata,
pubkey: account.pubkey,
executable: account.executable,
lamports: account.lamports,
owner: account.owner,
rent_epoch: account.rent_epoch,
bonding_curve,
}))
} else {
None
}
}
#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, BorshDeserialize)]
pub struct Global {
pub initialized: bool,
@@ -84,31 +44,3 @@ pub struct Global {
pub const GLOBAL_SIZE: usize =
1 + 32 * 2 + 8 * 5 + 32 + 1 + 8 * 2 + 32 * 7 + 32 * 2 + 1 + 32 * 2 + 1 + 32 * 7 + 1;
pub fn global_decode(data: &[u8]) -> Option<Global> {
if data.len() < GLOBAL_SIZE {
return None;
}
borsh::from_slice::<Global>(&data[..GLOBAL_SIZE]).ok()
}
pub fn global_parser(account: &AccountPretty, mut metadata: EventMetadata) -> Option<DexEvent> {
metadata.event_type = EventType::AccountPumpFunGlobal;
if account.data.len() < GLOBAL_SIZE + 8 {
return None;
}
if let Some(global) = global_decode(&account.data[8..GLOBAL_SIZE + 8]) {
Some(DexEvent::PumpFunGlobalAccountEvent(PumpFunGlobalAccountEvent {
metadata,
pubkey: account.pubkey,
executable: account.executable,
lamports: account.lamports,
owner: account.owner,
rent_epoch: account.rent_epoch,
global,
}))
} else {
None
}
}