use solana_sdk::pubkey::Pubkey;
use crate::{
impl_event_parser_delegate,
streaming::event_parser::{
common::{EventMetadata, EventType, ProtocolType},
core::traits::{GenericEventParseConfig, GenericEventParser, UnifiedEvent},
protocols::pumpfun::{
discriminators, pumpfun_create_token_event_log_decode,
pumpfun_migrate_event_log_decode, pumpfun_trade_event_log_decode,
PumpFunCreateTokenEvent, PumpFunMigrateEvent, PumpFunTradeEvent,
},
},
};
pub const PUMPFUN_PROGRAM_ID: Pubkey =
solana_sdk::pubkey!("6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P");
pub struct PumpFunEventParser {
inner: GenericEventParser,
}
impl Default for PumpFunEventParser {
fn default() -> Self {
Self::new()
}
}
impl PumpFunEventParser {
pub fn new() -> Self {
let configs = vec![
GenericEventParseConfig {
program_id: PUMPFUN_PROGRAM_ID,
protocol_type: ProtocolType::PumpFun,
inner_instruction_discriminator: discriminators::CREATE_TOKEN_EVENT,
instruction_discriminator: discriminators::CREATE_TOKEN_IX,
event_type: EventType::PumpFunCreateToken,
inner_instruction_parser: Some(Self::parse_create_token_inner_instruction),
instruction_parser: Some(Self::parse_create_token_instruction),
},
GenericEventParseConfig {
program_id: PUMPFUN_PROGRAM_ID,
protocol_type: ProtocolType::PumpFun,
inner_instruction_discriminator: discriminators::TRADE_EVENT,
instruction_discriminator: discriminators::BUY_IX,
event_type: EventType::PumpFunBuy,
inner_instruction_parser: Some(Self::parse_trade_inner_instruction),
instruction_parser: Some(Self::parse_buy_instruction),
},
GenericEventParseConfig {
program_id: PUMPFUN_PROGRAM_ID,
protocol_type: ProtocolType::PumpFun,
inner_instruction_discriminator: discriminators::TRADE_EVENT,
instruction_discriminator: discriminators::SELL_IX,
event_type: EventType::PumpFunSell,
inner_instruction_parser: Some(Self::parse_trade_inner_instruction),
instruction_parser: Some(Self::parse_sell_instruction),
},
GenericEventParseConfig {
program_id: PUMPFUN_PROGRAM_ID,
protocol_type: ProtocolType::PumpFun,
inner_instruction_discriminator: discriminators::COMPLETE_PUMP_AMM_MIGRATION_EVENT,
instruction_discriminator: discriminators::MIGRATE_IX,
event_type: EventType::PumpFunMigrate,
inner_instruction_parser: Some(Self::parse_migrate_inner_instruction),
instruction_parser: Some(Self::parse_migrate_instruction),
},
];
let inner = GenericEventParser::new(vec![PUMPFUN_PROGRAM_ID], configs);
Self { inner }
}
fn parse_migrate_inner_instruction(
data: &[u8],
metadata: EventMetadata,
) -> Option<Box<dyn UnifiedEvent>> {
if let Some(event) = pumpfun_migrate_event_log_decode(data) {
Some(Box::new(PumpFunMigrateEvent { metadata, ..event }))
} else {
None
}
}
fn parse_create_token_inner_instruction(
data: &[u8],
metadata: EventMetadata,
) -> Option<Box<dyn UnifiedEvent>> {
if let Some(event) = pumpfun_create_token_event_log_decode(data) {
Some(Box::new(PumpFunCreateTokenEvent { metadata, ..event }))
} else {
None
}
}
fn parse_trade_inner_instruction(
data: &[u8],
metadata: EventMetadata,
) -> Option<Box<dyn UnifiedEvent>> {
if let Some(event) = pumpfun_trade_event_log_decode(data) {
Some(Box::new(PumpFunTradeEvent { metadata, ..event }))
} else {
None
}
}
fn parse_create_token_instruction(
data: &[u8],
accounts: &[Pubkey],
metadata: EventMetadata,
) -> Option<Box<dyn UnifiedEvent>> {
if data.len() < 16 || accounts.len() < 11 {
return None;
}
let mut offset = 0;
let name_len = u32::from_le_bytes(data[offset..offset + 4].try_into().unwrap()) as usize;
offset += 4;
let name = String::from_utf8_lossy(&data[offset..offset + name_len]);
offset += name_len;
let symbol_len = u32::from_le_bytes(data[offset..offset + 4].try_into().unwrap()) as usize;
offset += 4;
let symbol = String::from_utf8_lossy(&data[offset..offset + symbol_len]);
offset += symbol_len;
let uri_len = u32::from_le_bytes(data[offset..offset + 4].try_into().unwrap()) as usize;
offset += 4;
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(Box::new(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],
user: accounts[7],
..Default::default()
}))
}
fn parse_buy_instruction(
data: &[u8],
accounts: &[Pubkey],
metadata: EventMetadata,
) -> Option<Box<dyn UnifiedEvent>> {
if data.len() < 16 || accounts.len() < 13 {
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(Box::new(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],
max_sol_cost,
amount,
is_buy: true,
..Default::default()
}))
}
fn parse_sell_instruction(
data: &[u8],
accounts: &[Pubkey],
metadata: EventMetadata,
) -> Option<Box<dyn UnifiedEvent>> {
if data.len() < 16 || accounts.len() < 11 {
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(Box::new(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: *accounts.get(12).unwrap_or(&Pubkey::default()),
user_volume_accumulator: *accounts.get(13).unwrap_or(&Pubkey::default()),
min_sol_output,
amount,
is_buy: false,
..Default::default()
}))
}
fn parse_migrate_instruction(
_data: &[u8],
accounts: &[Pubkey],
metadata: EventMetadata,
) -> Option<Box<dyn UnifiedEvent>> {
if accounts.len() < 24 {
return None;
}
Some(Box::new(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()
}))
}
}
impl_event_parser_delegate!(PumpFunEventParser);