CairoAMM.cairo

%builtins output range_check

from starkware.cairo.common.serialize import serialize_word
from starkware.cairo.common.math import unsigned_div_rem

func main{output_ptr: felt*, range_check_ptr}() {

    alloc_locals;

    local token_a_amount;
    local token_a_balance;
    local token_b_balance;
    local b;

    %{
        import requests
        import json
        import configparser

        def get_contract_data(tick):
        response = requests.post(f"{bison_network_service_endpoint}/contract", json={"tick": tick})
        data = response.json()
        return data

        def check_balance(endpoint, address, amount_required):
        response = requests.post(f"{endpoint}/balance", json={"address": address})
        balance = response.json().get('balance', 0)
        return balance >= float(amount_required) # 将 amount_required 转换为浮点数

        config = configparser.ConfigParser()
        config.read('config.ini')
        tick_values = [config['TICKS']['value1'], config['TICKS']['value2']]
        bison_network_service_endpoint = config['API']['BisonNetworkService']
        contract_address = config['ContractAddress']['contractAddress']
        priv_key = config['ContractAddress']['privKey']
        tick1_balance_endpoint = tick1_endpoint + "/balance"
        tick2_balance_endpoint = tick2_endpoint + "/balance"
        tick1_balance_response = requests.post(tick1_balance_endpoint, json={"address": contract_address})
        tick2_balance_response = requests.post(tick2_balance_endpoint, json={"address": contract_address})
        tick1_balance = float(tick1_balance_response.json().get('balance', 0))
        tick2_balance = float(tick2_balance_response.json().get('balance', 0))
        ids.tick1_balance = tick1_balance
        ids.tick2_balance = tick2_balance
        str = raw_input("tick1 amount"):
        ids.token_a_amount = int(str)
    
    %}

    tempvar a = token_a_amount;
    tempvar x = token_a_balance;
    tempvar y = token_b_balance;
    let (b, _) = unsigned_div_rem(y * a, x + a);
    serialize_word(b);
    return();
}