Python-Integration

python -m venv .venv
source .venv/bin/activate

pip install solders solana anchorpy construct base58

solders == 0.21.*
solana  == 0.34.*
anchorpy == 0.20.*

from solana.rpc.async_api import AsyncClient
from solders.keypair import Keypair

client = AsyncClient("https://api.mainnet-beta.solana.com", commitment="confirmed")
owner  = Keypair.from_bytes(bytes(open("keypair.json", "rb").read()))

import httpx

async def get_pool(pool_id: str) -> dict:
    async with httpx.AsyncClient() as http:
        r = await http.get(
            "https://api-v3.raydium.io/pools/info/ids",
            params={"ids": pool_id},
        )
        r.raise_for_status()
        data = r.json()
        if not data["success"]:
            raise RuntimeError(data["error"]["message"])
        return data["data"][0]

pool = await get_pool("58oQChx4yWmvKdwLLZzBi4ChoCc2fqCUWBkwMihLYQo2")
print(pool["price"], pool["day"]["volume"])

from construct import Struct, Int64ul, Int128ul, Bytes, this

# Partial CPMM PoolState layout (first few fields)
POOL_STATE_LAYOUT = Struct(
    "discriminator"     / Bytes(8),
    "amm_config"        / Bytes(32),
    "pool_creator"      / Bytes(32),
    "token_0_vault"     / Bytes(32),
    "token_1_vault"     / Bytes(32),
    "lp_mint"           / Bytes(32),
    "token_0_mint"      / Bytes(32),
    "token_1_mint"      / Bytes(32),
    # ...
)

from solders.pubkey import Pubkey

async def decode_pool(pool_id: Pubkey) -> dict:
    resp = await client.get_account_info(pool_id)
    data = resp.value.data
    return POOL_STATE_LAYOUT.parse(data)

import httpx
import base64
from solders.transaction import VersionedTransaction
from solana.rpc.types import TxOpts

async def swap(pool_id: str, amount_in: int, slippage_bps: int):
    async with httpx.AsyncClient() as http:
        r = await http.get(
            "https://api-v3.raydium.io/transaction/swap-base-in",
            params={
                "poolId":       pool_id,
                "amount":       amount_in,
                "inputMint":    "So11111111111111111111111111111111111111112",  # WSOL
                "outputMint":   "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",  # USDC
                "slippageBps":  slippage_bps,
                "wallet":       str(owner.pubkey()),
                "txVersion":    "V0",
                "computeUnitPriceMicroLamports": 50_000,
            },
        )
        r.raise_for_status()
        data = r.json()["data"]

    # Decode the pre-built tx, sign with our keypair, send.
    raw  = base64.b64decode(data["tx"]["transaction"])
    tx   = VersionedTransaction.from_bytes(raw)
    tx.sign([owner])

    sig = await client.send_transaction(tx, opts=TxOpts(skip_preflight=False))
    await client.confirm_transaction(sig.value, commitment="confirmed")
    return sig.value, data["swapResponse"]

from anchorpy import Program, Provider, Wallet, Context
from solana.rpc.async_api import AsyncClient
from solders.pubkey import Pubkey
import json

idl = json.load(open("cpmm.json"))  # from raydium-sdk-v2
provider = Provider(client, Wallet(owner))
program  = Program(idl, Pubkey.from_string(CPMM_PROGRAM_ID), provider)

# Invoke swap_base_input:
tx_sig = await program.rpc["swap_base_input"](
    amount_in,
    minimum_amount_out,
    ctx=Context(
        accounts={
            "payer":                owner.pubkey(),
            "authority":            owner.pubkey(),
            "amm_config":           amm_config_pk,
            "pool_state":           pool_state_pk,
            "input_token_account":  user_input_ata,
            "output_token_account": user_output_ata,
            "input_vault":          input_vault_pk,
            "output_vault":         output_vault_pk,
            "input_token_program":  TOKEN_PROGRAM_ID,
            "output_token_program": TOKEN_PROGRAM_ID,
            "input_token_mint":     input_mint,
            "output_token_mint":    output_mint,
            "observation_state":    observation_state_pk,
        },
    ),
)

┌──────────────────┐
│ Scheduler        │  cron / asyncio / redis queue
└──────────┬───────┘
           │
           ▼
┌──────────────────┐
│ Price poller     │  httpx + Raydium REST API
│  (per pool)      │  or WebSocket RPC sub
└──────────┬───────┘
           │ event
           ▼
┌──────────────────┐
│ Strategy engine  │  compute signal, decide trade params
└──────────┬───────┘
           │ trade params
           ▼
┌──────────────────┐
│ TX builder       │  Raydium REST server-built-tx or anchorpy
│ + signer         │  solders.Keypair
└──────────┬───────┘
           │ VersionedTransaction
           ▼
┌──────────────────┐
│ RPC sender       │  solana-py AsyncClient + Jito RPC
│ (retry + monitor)│  priority-fee logic
└──────────┬───────┘
           │ sig
           ▼
┌──────────────────┐
│ Ledger store     │  Postgres for positions, pending txs, PnL
└──────────────────┘

FARM_V6_ID = Pubkey.from_string("...")

async def get_farm_v6(farm_id: Pubkey):
    resp = await client.get_account_info(farm_id)
    return farm_v6_idl_program.account["FarmState"].decode(resp.value.data)

farm = await get_farm_v6(farm_id)
print(farm.total_staked, farm.reward_info_count)
for r in farm.reward_infos[:farm.reward_info_count]:
    print(r.reward_mint, r.emission_per_second_x64)