Mime

local component = require("component")
local sha = require("sha2")
local inet = component.internet

local username = "HappyWindinkg" -- Ник кошелька Duino Coin

while true do
    local socket, reason = inet.connect("149.91.88.18", 6004) -- IP duino-пула - https://server.duinocoin.com/getPool
    if not socket then
        print("Connection failed: " .. reason)
        os.sleep(10) -- Ждем перед повторной попыткой
        goto continue
    end

    print("Asking for a new job for user: " .. username)
    socket.write("JOB," .. username .. ",ESP32") -- ESP32 сложность майнинга
    os.sleep(3)
    local job = socket.read()
    if not job then
        print("Failed to read job")
        socket.close()
        os.sleep(10)
        goto continue
    end

    print("Raw job received: " .. job)

    local newjob = job:sub(4)
    local t = {}
    for s in newjob:gmatch("([^,]+)") do
        t[#t + 1] = s
    end

    if #t < 3 then
        print("Invalid job received: " .. job)
        socket.close()
        os.sleep(10)
        goto continue
    end

    local lastBlockHash, expectedHash, difficulty = table.unpack(t)
    print("Job received: " .. lastBlockHash .. " " .. expectedHash .. " " .. difficulty)

    local range = 100 * tonumber(difficulty) + 1
    local found = false
    for result = 0, range do
        local ducos1 = sha.sha1(lastBlockHash .. tostring(result))
        if ducos1 == expectedHash then
            local send = tostring(result) .. "," .. "LuaMiner 1.0"
            socket.write(send)
            local response = socket.read()
            print("Response: " .. response)
            found = true
            break
        end
    end

    if not found then
        print("No valid hash found")
    end

    socket.close()
    ::continue::
end