approve.py

import os
import asyncio
from eth_account import Account
from eth_account.messages import encode_defunct
import httpx
from dotenv import load_dotenv

from predict_sdk import (
    OrderBuilder,
    ChainId,
    Side,
    BuildOrderInput,
    LimitHelperInput,
)

def approve():
    # Load environment variables
    load_dotenv()

    # Create a wallet to sign the message (must be the orders' `maker`)
    private_key = os.getenv("WALLET_PRIVATE_KEY")
    signer = Account.from_key(private_key)

    builder = OrderBuilder.make(ChainId.BNB_MAINNET, signer)

    # Set all approvals at once
    # ⚠ Note: This SDK does not perform duplicate call checks. Avoid repeated calls.
    result = builder.set_approvals(is_yield_bearing=False)
    # USDT approve NegRiskCtfExchangen 0x365fb81bd4A24D6303cd2F19c349dE6894D8d58A max
    # USDT approve CtfExchange 0x8BC070BEdAB741406F4B1Eb65A72bee27894B689 max
    # ConditionalTokens(0x22DA1810B194ca018378464a58f6Ac2B10C9d244) ApprovalForAll CtfExchange,NegRiskCtfExchangen,NegRiskAdapter

    if result.success:
        print("All approvals set successfully!")
    else:
        print("Some approvals failed")
        for tx in result.transactions:
            if not tx.success:
                print(f"Failed: {tx.cause}")

if __name__ == '__main__':
    approve()