feat(pump): integrate idl parser manager

src/platforms/__init__.py

@@ -107,12 +107,12 @@ class PlatformRegistry:
         address_provider = impl_classes['address_provider']()
         
         # For platforms with IDL support, pass the parser to relevant classes
-        if idl_parser and platform in [Platform.LETS_BONK]:  # Add other IDL-supported platforms here
+        if idl_parser and platform in [Platform.LETS_BONK, Platform.PUMP_FUN]:
             instruction_builder = impl_classes['instruction_builder'](idl_parser=idl_parser)
             curve_manager = impl_classes['curve_manager'](client, idl_parser=idl_parser)
             event_parser = impl_classes['event_parser'](idl_parser=idl_parser)
         else:
-            # Fallback for platforms without IDL support (like pump.fun)
+            # Fallback for platforms without IDL support
             instruction_builder = impl_classes['instruction_builder']()
             curve_manager = impl_classes['curve_manager'](client)
             event_parser = impl_classes['event_parser']()

src/platforms/pumpfun/curve_manager.py

@@ -2,11 +2,9 @@
 Pump.Fun implementation of CurveManager interface.
 
 This module handles pump.fun-specific bonding curve operations
-by implementing the CurveManager interface with all curve logic self-contained.
+by implementing the CurveManager interface using IDL-based decoding.
 """
 
-import struct
-from dataclasses import dataclass
 from typing import Any
 
 from solders.pubkey import Pubkey
@@ -14,56 +12,26 @@ from solders.pubkey import Pubkey
 from core.client import SolanaClient
 from core.pubkeys import LAMPORTS_PER_SOL, TOKEN_DECIMALS
 from interfaces.core import CurveManager, Platform
+from utils.idl_parser import IDLParser
 from utils.logger import get_logger
 
 logger = get_logger(__name__)
 
-# Bonding curve discriminator for pump.fun
-CURVE_DISCRIMINATOR = bytes([23, 203, 71, 8, 209, 70, 227, 3])
-
-
-@dataclass
-class BondingCurveState:
-    """Represents the state of a pump.fun bonding curve."""
-    
-    virtual_token_reserves: int
-    virtual_sol_reserves: int
-    real_token_reserves: int
-    real_sol_reserves: int
-    token_total_supply: int
-    complete: bool
-    creator: Pubkey
-    
-    @property
-    def token_reserves(self) -> float:
-        """Token reserves in decimal form."""
-        return self.virtual_token_reserves / 10**TOKEN_DECIMALS
-    
-    @property
-    def sol_reserves(self) -> float:
-        """SOL reserves in decimal form."""
-        return self.virtual_sol_reserves / LAMPORTS_PER_SOL
-    
-    def calculate_price(self) -> float:
-        """Calculate current token price in SOL."""
-        if self.virtual_token_reserves <= 0:
-            return 0.0
-        
-        # Price = sol_reserves / token_reserves
-        price_lamports = self.virtual_sol_reserves / self.virtual_token_reserves
-        return price_lamports * (10**TOKEN_DECIMALS) / LAMPORTS_PER_SOL
-
 
 class PumpFunCurveManager(CurveManager):
-    """Pump.Fun implementation of CurveManager interface."""
+    """Pump.Fun implementation of CurveManager interface using IDL-based decoding."""
     
-    def __init__(self, client: SolanaClient):
-        """Initialize pump.fun curve manager.
+    def __init__(self, client: SolanaClient, idl_parser: IDLParser):
+        """Initialize pump.fun curve manager with injected IDL parser.
         
         Args:
             client: Solana RPC client
+            idl_parser: Pre-loaded IDL parser for pump.fun platform
         """
         self.client = client
+        self._idl_parser = idl_parser
+        
+        logger.info("Pump.Fun curve manager initialized with injected IDL parser")
     
     @property
     def platform(self) -> Platform:
@@ -84,22 +52,10 @@ class PumpFunCurveManager(CurveManager):
             if not account.data:
                 raise ValueError(f"No data in bonding curve account {pool_address}")
             
-            curve_state = self._decode_curve_state(account.data)
+            # Decode bonding curve state using injected IDL parser
+            curve_state_data = self._decode_curve_state_with_idl(account.data)
             
-            return {
-                "virtual_token_reserves": curve_state.virtual_token_reserves,
-                "virtual_sol_reserves": curve_state.virtual_sol_reserves,
-                "real_token_reserves": curve_state.real_token_reserves,
-                "real_sol_reserves": curve_state.real_sol_reserves,
-                "token_total_supply": curve_state.token_total_supply,
-                "complete": curve_state.complete,
-                "creator": str(curve_state.creator),
-                
-                # Calculated fields for convenience
-                "price_per_token": curve_state.calculate_price(),
-                "token_reserves_decimal": curve_state.token_reserves,
-                "sol_reserves_decimal": curve_state.sol_reserves,
-            }
+            return curve_state_data
             
         except Exception as e:
             logger.error(f"Failed to get curve state: {e!s}")
@@ -114,8 +70,18 @@ class PumpFunCurveManager(CurveManager):
         Returns:
             Current token price in SOL
         """
-        curve_state = await self._get_curve_state_object(pool_address)
-        return curve_state.calculate_price()
+        pool_state = await self.get_pool_state(pool_address)
+        
+        # Use virtual reserves for price calculation
+        virtual_token_reserves = pool_state["virtual_token_reserves"]
+        virtual_sol_reserves = pool_state["virtual_sol_reserves"]
+        
+        if virtual_token_reserves <= 0:
+            return 0.0
+        
+        # Price = sol_reserves / token_reserves
+        price_lamports = virtual_sol_reserves / virtual_token_reserves
+        return price_lamports * (10**TOKEN_DECIMALS) / LAMPORTS_PER_SOL
     
     async def calculate_buy_amount_out(
         self,
@@ -133,12 +99,15 @@ class PumpFunCurveManager(CurveManager):
         Returns:
             Expected amount of tokens to receive (in raw token units)
         """
-        curve_state = await self._get_curve_state_object(pool_address)
+        pool_state = await self.get_pool_state(pool_address)
+        
+        virtual_token_reserves = pool_state["virtual_token_reserves"]
+        virtual_sol_reserves = pool_state["virtual_sol_reserves"]
         
         # Use virtual reserves for bonding curve calculation
         # Formula: tokens_out = (amount_in * virtual_token_reserves) / (virtual_sol_reserves + amount_in)
-        numerator = amount_in * curve_state.virtual_token_reserves
-        denominator = curve_state.virtual_sol_reserves + amount_in
+        numerator = amount_in * virtual_token_reserves
+        denominator = virtual_sol_reserves + amount_in
         
         if denominator == 0:
             return 0
@@ -162,12 +131,15 @@ class PumpFunCurveManager(CurveManager):
         Returns:
             Expected amount of SOL to receive (in lamports)
         """
-        curve_state = await self._get_curve_state_object(pool_address)
+        pool_state = await self.get_pool_state(pool_address)
+        
+        virtual_token_reserves = pool_state["virtual_token_reserves"]
+        virtual_sol_reserves = pool_state["virtual_sol_reserves"]
         
         # Use virtual reserves for bonding curve calculation
         # Formula: sol_out = (amount_in * virtual_sol_reserves) / (virtual_token_reserves + amount_in)
-        numerator = amount_in * curve_state.virtual_sol_reserves
-        denominator = curve_state.virtual_token_reserves + amount_in
+        numerator = amount_in * virtual_sol_reserves
+        denominator = virtual_token_reserves + amount_in
         
         if denominator == 0:
             return 0
@@ -184,100 +156,61 @@ class PumpFunCurveManager(CurveManager):
         Returns:
             Tuple of (token_reserves, sol_reserves) in raw units
         """
-        curve_state = await self._get_curve_state_object(pool_address)
-        return (curve_state.virtual_token_reserves, curve_state.virtual_sol_reserves)
+        pool_state = await self.get_pool_state(pool_address)
+        return (pool_state["virtual_token_reserves"], pool_state["virtual_sol_reserves"])
     
-    async def _get_curve_state_object(self, curve_address: Pubkey) -> BondingCurveState:
-        """Get the current state of a bonding curve as a BondingCurveState object.
-        
-        Args:
-            curve_address: Address of the bonding curve
-            
-        Returns:
-            BondingCurveState with current curve data
-            
-        Raises:
-            ValueError: If curve data is invalid or inaccessible
-        """
-        try:
-            account = await self.client.get_account_info(curve_address)
-            if not account.data:
-                raise ValueError(f"No data in bonding curve account {curve_address}")
-            
-            curve_state = self._decode_curve_state(account.data)
-            return curve_state
-            
-        except Exception as e:
-            logger.error(f"Failed to get curve state: {e!s}")
-            raise ValueError(f"Invalid bonding curve state: {e!s}")
-    
-    def _decode_curve_state(self, data: bytes) -> BondingCurveState:
-        """Decode bonding curve state from raw account data.
+    def _decode_curve_state_with_idl(self, data: bytes) -> dict[str, Any]:
+        """Decode bonding curve state data using injected IDL parser.
         
         Args:
             data: Raw account data
             
         Returns:
-            Decoded BondingCurveState
+            Dictionary with decoded bonding curve state
             
         Raises:
-            ValueError: If data format is invalid
+            ValueError: If IDL parsing fails
         """
-        if len(data) < 8:
-            raise ValueError("Curve data too short")
+        # Use injected IDL parser to decode BondingCurve account data
+        decoded_curve_state = self._idl_parser.decode_account_data(
+            data, 
+            "BondingCurve", 
+            skip_discriminator=True
+        )
         
-        # Check discriminator
-        if not data.startswith(CURVE_DISCRIMINATOR):
-            raise ValueError("Invalid curve discriminator")
+        if not decoded_curve_state:
+            raise ValueError("Failed to decode bonding curve state with IDL parser")
         
-        offset = 8
+        # Extract the fields we need for trading calculations
+        # Based on the BondingCurve structure from the IDL
+        curve_data = {
+            "virtual_token_reserves": decoded_curve_state.get("virtual_token_reserves", 0),
+            "virtual_sol_reserves": decoded_curve_state.get("virtual_sol_reserves", 0),
+            "real_token_reserves": decoded_curve_state.get("real_token_reserves", 0),
+            "real_sol_reserves": decoded_curve_state.get("real_sol_reserves", 0),
+            "token_total_supply": decoded_curve_state.get("token_total_supply", 0),
+            "complete": decoded_curve_state.get("complete", False),
+            "creator": decoded_curve_state.get("creator", ""),
+        }
         
-        try:
-            # Decode based on pump.fun BondingCurve structure:
-            # - virtual_token_reserves: u64 (8 bytes)
-            # - virtual_sol_reserves: u64 (8 bytes) 
-            # - real_token_reserves: u64 (8 bytes)
-            # - real_sol_reserves: u64 (8 bytes)
-            # - token_total_supply: u64 (8 bytes)
-            # - complete: bool (1 byte)
-            # - padding: 7 bytes
-            # - creator: Pubkey (32 bytes)
-            
-            virtual_token_reserves = struct.unpack_from("<Q", data, offset)[0]
-            offset += 8
-            
-            virtual_sol_reserves = struct.unpack_from("<Q", data, offset)[0]
-            offset += 8
-            
-            real_token_reserves = struct.unpack_from("<Q", data, offset)[0]
-            offset += 8
-            
-            real_sol_reserves = struct.unpack_from("<Q", data, offset)[0]
-            offset += 8
-            
-            token_total_supply = struct.unpack_from("<Q", data, offset)[0]
-            offset += 8
-            
-            complete = bool(struct.unpack_from("<B", data, offset)[0])
-            offset += 1
-            
-            # Skip padding
-            offset += 7
-            
-            creator = Pubkey.from_bytes(data[offset:offset + 32])
-            
-            return BondingCurveState(
-                virtual_token_reserves=virtual_token_reserves,
-                virtual_sol_reserves=virtual_sol_reserves,
-                real_token_reserves=real_token_reserves,
-                real_sol_reserves=real_sol_reserves,
-                token_total_supply=token_total_supply,
-                complete=complete,
-                creator=creator,
+        # Calculate additional metrics
+        if curve_data["virtual_token_reserves"] > 0:
+            curve_data["price_per_token"] = (
+                (curve_data["virtual_sol_reserves"] / curve_data["virtual_token_reserves"]) 
+                * (10**TOKEN_DECIMALS) / LAMPORTS_PER_SOL
             )
-            
-        except Exception as e:
-            raise ValueError(f"Failed to decode curve state: {e}")
+        else:
+            curve_data["price_per_token"] = 0
+        
+        # Add convenience decimal fields
+        curve_data["token_reserves_decimal"] = curve_data["virtual_token_reserves"] / 10**TOKEN_DECIMALS
+        curve_data["sol_reserves_decimal"] = curve_data["virtual_sol_reserves"] / LAMPORTS_PER_SOL
+        
+        logger.debug(f"Decoded curve state: virtual_token_reserves={curve_data['virtual_token_reserves']}, "
+                    f"virtual_sol_reserves={curve_data['virtual_sol_reserves']}, "
+                    f"price={curve_data['price_per_token']:.8f} SOL")
+        
+        return curve_data
     
     # Additional convenience methods for pump.fun specific operations
     async def calculate_expected_tokens(self, pool_address: Pubkey, sol_amount: float) -> float:
@@ -321,8 +254,8 @@ class PumpFunCurveManager(CurveManager):
         Returns:
             True if curve is complete, False otherwise
         """
-        curve_state = await self._get_curve_state_object(pool_address)
-        return curve_state.complete
+        pool_state = await self.get_pool_state(pool_address)
+        return pool_state.get("complete", False)
     
     async def get_curve_progress(self, pool_address: Pubkey) -> dict[str, Any]:
         """Get bonding curve completion progress information.
@@ -333,11 +266,11 @@ class PumpFunCurveManager(CurveManager):
         Returns:
             Dictionary with progress information
         """
-        curve_state = await self._get_curve_state_object(pool_address)
+        pool_state = await self.get_pool_state(pool_address)
         
         # Calculate progress based on SOL raised vs target
         # This is approximate since the exact target isn't stored in the curve state
-        sol_raised = curve_state.real_sol_reserves / LAMPORTS_PER_SOL
+        sol_raised = pool_state["real_sol_reserves"] / LAMPORTS_PER_SOL
         
         # Estimate progress based on typical pump.fun graduation requirements
         # (This could be made more accurate with additional on-chain data)
@@ -345,10 +278,45 @@ class PumpFunCurveManager(CurveManager):
         progress_percentage = min((sol_raised / estimated_target_sol) * 100, 100.0)
         
         return {
-            "complete": curve_state.complete,
+            "complete": pool_state.get("complete", False),
             "sol_raised": sol_raised,
             "estimated_target_sol": estimated_target_sol,
             "progress_percentage": progress_percentage,
-            "tokens_available": curve_state.virtual_token_reserves / 10**TOKEN_DECIMALS,
+            "tokens_available": pool_state["virtual_token_reserves"] / 10**TOKEN_DECIMALS,
             "market_cap_sol": sol_raised,  # Approximate market cap
-        }
+        }
+    
+    def validate_curve_state_structure(self, pool_address: Pubkey) -> bool:
+        """Validate that the curve state structure matches IDL expectations.
+        
+        Args:
+            pool_address: Address of the bonding curve
+            
+        Returns:
+            True if structure is valid, False otherwise
+        """
+        try:
+            # This would be used during development/testing to ensure
+            # the IDL parsing is working correctly
+            pool_state = self.get_pool_state(pool_address)
+            
+            required_fields = [
+                "virtual_token_reserves", "virtual_sol_reserves", 
+                "real_token_reserves", "real_sol_reserves",
+                "token_total_supply", "complete"
+            ]
+            
+            for field in required_fields:
+                if field not in pool_state:
+                    logger.error(f"Missing required field: {field}")
+                    return False
+                
+                if field != "complete" and not isinstance(pool_state[field], int):
+                    logger.error(f"Field {field} is not an integer: {type(pool_state[field])}")
+                    return False
+            
+            return True
+            
+        except Exception as e:
+            logger.error(f"Curve state validation failed: {e}")
+            return False

src/platforms/pumpfun/event_parser.py

@@ -2,32 +2,43 @@
 Pump.Fun implementation of EventParser interface.
 
 This module parses pump.fun-specific token creation events from various sources
-by implementing the EventParser interface.
+by implementing the EventParser interface with IDL-based parsing.
 """
 
 import base64
 import struct
 from time import monotonic
-from typing import Any, Final
+from typing import Any
 
-import base58
 from solders.pubkey import Pubkey
 from solders.transaction import VersionedTransaction
 
 from core.pubkeys import SystemAddresses
 from interfaces.core import EventParser, Platform, TokenInfo
 from platforms.pumpfun.address_provider import PumpFunAddresses
+from utils.idl_parser import IDLParser
+from utils.logger import get_logger
+
+logger = get_logger(__name__)
 
 
 class PumpFunEventParser(EventParser):
-    """Pump.Fun implementation of EventParser interface."""
+    """Pump.Fun implementation of EventParser interface with IDL-based parsing."""
     
-    # Discriminators for pump.fun instructions
-    CREATE_DISCRIMINATOR: Final[int] = 8576854823835016728
-    CREATE_DISCRIMINATOR_BYTES: Final[bytes] = struct.pack("<Q", CREATE_DISCRIMINATOR)
-    
-    # Discriminator for program logs
-    LOGS_CREATE_DISCRIMINATOR: Final[int] = 8530921459188068891
+    def __init__(self, idl_parser: IDLParser):
+        """Initialize pump.fun event parser with injected IDL parser.
+        
+        Args:
+            idl_parser: Pre-loaded IDL parser for pump.fun platform
+        """
+        self._idl_parser = idl_parser
+        
+        # Get discriminators from injected IDL parser
+        discriminators = self._idl_parser.get_instruction_discriminators()
+        self._create_discriminator_bytes = discriminators["create"]
+        self._create_discriminator = struct.unpack("<Q", self._create_discriminator_bytes)[0]
+        
+        logger.info("Pump.Fun event parser initialized with injected IDL parser")
     
     @property
     def platform(self) -> Platform:
@@ -74,7 +85,7 @@ class PumpFunEventParser(EventParser):
         accounts: list[int],
         account_keys: list[bytes]
     ) -> TokenInfo | None:
-        """Parse token creation from pump.fun instruction data.
+        """Parse token creation from pump.fun instruction data using injected IDL parser.
         
         Args:
             instruction_data: Raw instruction data
@@ -84,7 +95,7 @@ class PumpFunEventParser(EventParser):
         Returns:
             TokenInfo if token creation found, None otherwise
         """
-        if not instruction_data.startswith(self.CREATE_DISCRIMINATOR_BYTES):
+        if not instruction_data.startswith(self._create_discriminator_bytes):
             return None
 
         try:
@@ -97,12 +108,14 @@ class PumpFunEventParser(EventParser):
                     return None
                 return Pubkey.from_bytes(account_keys[account_index])
 
-            # Parse instruction data
-            token_data = self._parse_create_instruction_data(instruction_data)
-            if not token_data:
+            # Parse instruction data using injected IDL parser
+            decoded = self._idl_parser.decode_instruction(instruction_data, account_keys, accounts)
+            if not decoded or decoded['instruction_name'] != 'create':
                 return None
-
-            # Extract account information
+            
+            args = decoded.get('args', {})
+            
+            # Extract account information based on IDL account order
             mint = get_account_key(0)
             bonding_curve = get_account_key(2)
             associated_bonding_curve = get_account_key(3)
@@ -112,13 +125,13 @@ class PumpFunEventParser(EventParser):
                 return None
 
             # Create creator vault
-            creator = Pubkey.from_string(token_data["creator"]) if token_data.get("creator") else user
+            creator = Pubkey.from_string(args.get("creator", str(user))) if args.get("creator") else user
             creator_vault = self._derive_creator_vault(creator)
 
             return TokenInfo(
-                name=token_data["name"],
-                symbol=token_data["symbol"],
-                uri=token_data["uri"],
+                name=args.get("name", ""),
+                symbol=args.get("symbol", ""),
+                uri=args.get("uri", ""),
                 mint=mint,
                 platform=Platform.PUMP_FUN,
                 bonding_curve=bonding_curve,
@@ -129,7 +142,8 @@ class PumpFunEventParser(EventParser):
                 creation_timestamp=monotonic(),
             )
 
-        except Exception:
+        except Exception as e:
+            logger.debug(f"Failed to parse create instruction: {e}")
             return None
     
     def parse_token_creation_from_geyser(
@@ -172,7 +186,8 @@ class PumpFunEventParser(EventParser):
 
             return None
 
-        except Exception:
+        except Exception as e:
+            logger.debug(f"Failed to parse geyser transaction: {e}")
             return None
     
     def get_program_id(self) -> Pubkey:
@@ -189,7 +204,7 @@ class PumpFunEventParser(EventParser):
         Returns:
             List of discriminator bytes to match
         """
-        return [self.CREATE_DISCRIMINATOR_BYTES]
+        return [self._create_discriminator_bytes]
     
     def parse_token_creation_from_block(self, block_data: dict) -> TokenInfo | None:
         """Parse token creation from block data (for block listener).
@@ -208,43 +223,96 @@ class PumpFunEventParser(EventParser):
                 if not isinstance(tx, dict) or "transaction" not in tx:
                     continue
 
-                # Decode base64 transaction data
-                tx_data_encoded = tx["transaction"][0]
-                tx_data_decoded = base64.b64decode(tx_data_encoded)
-                transaction = VersionedTransaction.from_bytes(tx_data_decoded)
-
-                for ix in transaction.message.instructions:
-                    program_id = transaction.message.account_keys[ix.program_id_index]
-                    
-                    # Check if instruction is from pump.fun program
-                    if str(program_id) != str(self.get_program_id()):
-                        continue
-
-                    ix_data = bytes(ix.data)
-                    
-                    # Check for create discriminator
-                    if len(ix_data) >= 8:
-                        discriminator = struct.unpack("<Q", ix_data[:8])[0]
+                # Decode base64 transaction data if needed
+                tx_data = tx["transaction"]
+                if isinstance(tx_data, list) and len(tx_data) > 0:
+                    try:
+                        tx_data_encoded = tx_data[0]
+                        tx_data_decoded = base64.b64decode(tx_data_encoded)
+                        transaction = VersionedTransaction.from_bytes(tx_data_decoded)
                         
-                        if discriminator == self.CREATE_DISCRIMINATOR:
-                            # Token creation should have substantial data and many accounts
-                            if len(ix_data) <= 8 or len(ix.accounts) < 10:
+                        for ix in transaction.message.instructions:
+                            program_id = transaction.message.account_keys[ix.program_id_index]
+                            
+                            # Check if instruction is from pump.fun program
+                            if str(program_id) != str(self.get_program_id()):
+                                continue
+
+                            ix_data = bytes(ix.data)
+                            
+                            # Check for create discriminator
+                            if len(ix_data) >= 8:
+                                discriminator = struct.unpack("<Q", ix_data[:8])[0]
+                                
+                                if discriminator == self._create_discriminator:
+                                    # Token creation should have substantial data and many accounts
+                                    if len(ix_data) <= 8 or len(ix.accounts) < 10:
+                                        continue
+                                    
+                                    # Parse the instruction
+                                    token_info = self.parse_token_creation_from_instruction(
+                                        ix_data, ix.accounts, transaction.message.account_keys
+                                    )
+                                    if token_info:
+                                        return token_info
+                                        
+                    except Exception as e:
+                        logger.debug(f"Failed to parse block transaction: {e}")
+                        continue
+                
+                # Handle already decoded transaction data
+                elif isinstance(tx_data, dict) and "message" in tx_data:
+                    try:
+                        message = tx_data["message"]
+                        if "instructions" not in message or "accountKeys" not in message:
+                            continue
+                            
+                        for ix in message["instructions"]:
+                            if "programIdIndex" not in ix or "accounts" not in ix or "data" not in ix:
+                                continue
+                                
+                            program_idx = ix["programIdIndex"]
+                            if program_idx >= len(message["accountKeys"]):
+                                continue
+                                
+                            program_id_str = message["accountKeys"][program_idx]
+                            if program_id_str != str(self.get_program_id()):
                                 continue
                             
-                            # Parse the instruction
-                            token_info = self.parse_token_creation_from_instruction(
-                                ix_data, ix.accounts, transaction.message.account_keys
-                            )
-                            if token_info:
-                                return token_info
+                            # Decode instruction data
+                            ix_data = base64.b64decode(ix["data"])
+                            
+                            if len(ix_data) >= 8:
+                                discriminator = struct.unpack("<Q", ix_data[:8])[0]
+                                
+                                if discriminator == self._create_discriminator:
+                                    if len(ix_data) <= 8 or len(ix["accounts"]) < 10:
+                                        continue
+                                    
+                                    # Convert account keys to bytes for parsing
+                                    account_keys_bytes = [
+                                        Pubkey.from_string(key).to_bytes() 
+                                        for key in message["accountKeys"]
+                                    ]
+                                    
+                                    token_info = self.parse_token_creation_from_instruction(
+                                        ix_data, ix["accounts"], account_keys_bytes
+                                    )
+                                    if token_info:
+                                        return token_info
+                                        
+                    except Exception as e:
+                        logger.debug(f"Failed to parse decoded block transaction: {e}")
+                        continue
 
             return None
 
-        except Exception:
+        except Exception as e:
+            logger.debug(f"Failed to parse block data: {e}")
             return None
     
     def _parse_create_instruction_data(self, data: bytes) -> dict | None:
-        """Parse the create instruction data from pump.fun.
+        """Parse the create instruction data from pump.fun using injected IDL parser.
         
         Args:
             data: Raw instruction data
@@ -257,47 +325,30 @@ class PumpFunEventParser(EventParser):
 
         # Check for the correct instruction discriminator
         discriminator = struct.unpack("<Q", data[:8])[0]
-        if discriminator not in [self.CREATE_DISCRIMINATOR, self.LOGS_CREATE_DISCRIMINATOR]:
+        if discriminator != self._create_discriminator:
             return None
 
-        offset = 8
-        parsed_data = {}
-
         try:
-            # Parse fields based on CreateEvent structure
-            fields = [
-                ("name", "string"),
-                ("symbol", "string"),
-                ("uri", "string"),
-            ]
+            # Use IDL parser to decode the instruction data
+            # For log data parsing, we need to create dummy account info
+            dummy_accounts = list(range(20))  # Assume enough accounts
+            dummy_account_keys = [b'\x00' * 32] * 20  # Dummy keys
             
-            # For instruction data, we also have creator info
-            if discriminator == self.CREATE_DISCRIMINATOR:
-                fields.extend([
-                    ("creator", "publicKey"),
-                ])
-
-            for field_name, field_type in fields:
-                if field_type == "string":
-                    if offset + 4 > len(data):
-                        return None
-                    length = struct.unpack("<I", data[offset : offset + 4])[0]
-                    offset += 4
-                    if offset + length > len(data):
-                        return None
-                    value = data[offset : offset + length].decode("utf-8")
-                    offset += length
-                elif field_type == "publicKey":
-                    if offset + 32 > len(data):
-                        return None
-                    value = base58.b58encode(data[offset : offset + 32]).decode("utf-8")
-                    offset += 32
-
-                parsed_data[field_name] = value
-
-            return parsed_data
+            decoded = self._idl_parser.decode_instruction(data, dummy_account_keys, dummy_accounts)
+            if not decoded or decoded['instruction_name'] != 'create':
+                return None
             
-        except Exception:
+            # Extract the arguments
+            args = decoded.get('args', {})
+            return {
+                "name": args.get("name", ""),
+                "symbol": args.get("symbol", ""),
+                "uri": args.get("uri", ""),
+                "creator": args.get("creator", ""),
+            }
+            
+        except Exception as e:
+            logger.debug(f"Failed to parse instruction data with IDL: {e}")
             return None
     
     def _derive_creator_vault(self, creator: Pubkey) -> Pubkey:

src/platforms/pumpfun/instruction_builder.py

@@ -2,11 +2,10 @@
 Pump.Fun implementation of InstructionBuilder interface.
 
 This module builds pump.fun-specific buy and sell instructions
-by implementing the InstructionBuilder interface.
+by implementing the InstructionBuilder interface with IDL-based discriminators.
 """
 
 import struct
-from typing import Final
 
 from solders.instruction import AccountMeta, Instruction
 from solders.pubkey import Pubkey
@@ -14,14 +13,29 @@ from spl.token.instructions import create_idempotent_associated_token_account
 
 from core.pubkeys import TOKEN_DECIMALS, SystemAddresses
 from interfaces.core import AddressProvider, InstructionBuilder, Platform, TokenInfo
+from utils.idl_parser import IDLParser
+from utils.logger import get_logger
 
-# Discriminators for pump.fun instructions
-BUY_DISCRIMINATOR: Final[bytes] = struct.pack("<Q", 16927863322537952870)
-SELL_DISCRIMINATOR: Final[bytes] = struct.pack("<Q", 12502976635542562355)
+logger = get_logger(__name__)
 
 
 class PumpFunInstructionBuilder(InstructionBuilder):
-    """Pump.Fun implementation of InstructionBuilder interface."""
+    """Pump.Fun implementation of InstructionBuilder interface with IDL-based discriminators."""
+    
+    def __init__(self, idl_parser: IDLParser):
+        """Initialize pump.fun instruction builder with injected IDL parser.
+        
+        Args:
+            idl_parser: Pre-loaded IDL parser for pump.fun platform
+        """
+        self._idl_parser = idl_parser
+        
+        # Get discriminators from injected IDL parser
+        discriminators = self._idl_parser.get_instruction_discriminators()
+        self._buy_discriminator = discriminators["buy"]
+        self._sell_discriminator = discriminators["sell"]
+        
+        logger.info("Pump.Fun instruction builder initialized with injected IDL parser")
     
     @property
     def platform(self) -> Platform:
@@ -82,7 +96,7 @@ class PumpFunInstructionBuilder(InstructionBuilder):
         
         # Build instruction data: discriminator + token_amount + max_sol_cost
         instruction_data = (
-            BUY_DISCRIMINATOR +
+            self._buy_discriminator +
             struct.pack("<Q", minimum_amount_out) +  # token amount in raw units
             struct.pack("<Q", amount_in)             # max SOL cost in lamports
         )
@@ -139,7 +153,7 @@ class PumpFunInstructionBuilder(InstructionBuilder):
         
         # Build instruction data: discriminator + token_amount + min_sol_output
         instruction_data = (
-            SELL_DISCRIMINATOR +
+            self._sell_discriminator +
             struct.pack("<Q", amount_in) +           # token amount in raw units
             struct.pack("<Q", minimum_amount_out)    # min SOL output in lamports
         )

src/utils/idl_manager.py

@@ -33,7 +33,7 @@ class IDLManager:
         # Define IDL paths for each platform
         self._idl_paths = {
             Platform.LETS_BONK: os.path.join(project_root, "idl", "raydium_launchlab_idl.json"),
-            # Platform.PUMP_FUN: os.path.join(project_root, "idl", "pump_fun_idl.json"),  # Future
+            Platform.PUMP_FUN: os.path.join(project_root, "idl", "pump_fun_idl.json"),
         }
     
     def get_parser(self, platform: Platform, verbose: bool = False) -> IDLParser: