updated code structure

src/core/pubkeys.py

@@ -0,0 +1,51 @@
+"""
+System and program addresses for Solana and pump.fun interactions.
+"""
+
+from dataclasses import dataclass
+from typing import Final
+
+from solders.pubkey import Pubkey
+
+LAMPORTS_PER_SOL: Final[int] = 1_000_000_000
+TOKEN_DECIMALS: Final[int] = 6
+
+
+@dataclass
+class SystemAddresses:
+    """System-level Solana addresses."""
+
+    PROGRAM: Final[Pubkey] = Pubkey.from_string("11111111111111111111111111111111")
+    TOKEN_PROGRAM: Final[Pubkey] = Pubkey.from_string(
+        "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA"
+    )
+    ASSOCIATED_TOKEN_PROGRAM: Final[Pubkey] = Pubkey.from_string(
+        "ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL"
+    )
+    RENT: Final[Pubkey] = Pubkey.from_string(
+        "SysvarRent111111111111111111111111111111111"
+    )
+    SOL: Final[Pubkey] = Pubkey.from_string(
+        "So11111111111111111111111111111111111111112"
+    )
+
+
+@dataclass
+class PumpAddresses:
+    """Pump.fun program addresses."""
+
+    PROGRAM: Final[Pubkey] = Pubkey.from_string(
+        "6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P"
+    )
+    GLOBAL: Final[Pubkey] = Pubkey.from_string(
+        "4wTV1YmiEkRvAtNtsSGPtUrqRYQMe5SKy2uB4Jjaxnjf"
+    )
+    EVENT_AUTHORITY: Final[Pubkey] = Pubkey.from_string(
+        "Ce6TQqeHC9p8KetsN6JsjHK7UTZk7nasjjnr7XxXp9F1"
+    )
+    FEE: Final[Pubkey] = Pubkey.from_string(
+        "CebN5WGQ4jvEPvsVU4EoHEpgzq1VV7AbicfhtW4xC9iM"
+    )
+    LIQUIDITY_MIGRATOR: Final[Pubkey] = Pubkey.from_string(
+        "39azUYFWPz3VHgKCf3VChUwbpURdCHRxjWVowf5jUJjg"
+    )