turtl

local function a(b,c)local d=fs.open(b,"w")d.write(c)d.close()end;local function e(b)local d=fs.open(b,"r")local c=d.readAll()d.close()return c end;local function f(g)local h=http.get(g)local c=h.readAll()h.close()return c end;local function i(g,d)a(d,f(g))end;i("https://pastebin.com/raw/Sc0DU3rA","ecc.lua");i("https://raw.githubusercontent.com/osmarks/skynet/master/client.lua","skynet.lua")

local channel = ... or "turtl"

local ecc = require "./ecc"
local e = ecc "ecc"

local skynet = require "./skynet"

local pub_file, priv_file = "/.nd_pub", "/.nd_priv"

local pub, priv
-- If keypair does not exist it is necessary to create one
if not fs.exists(priv_file) then
    pub, priv = e.keypair()
    local f
    local f = fs.open(priv_file, "w")
    f.write(textutils.serialize(priv))
    f.close()
    f = fs.open(pub_file, "w")
    f.write(textutils.serialize(pub))
    f.close()
else
    -- Load existing keypair
    local f = fs.open(priv_file, "r")
    priv = textutils.unserialize(f.readAll())
    f.close()
    pub = e.publicKey(priv)
end

parallel.waitForAll(function()
    while true do
        local chan, message = skynet.receive(channel)
        if type(message) == "table" and message.result then
            print(textutils.serialise(message.result))
        end
    end
end, function()
    local history = {}
    while true do
        write "|> "
        local input = read(nil, history)
        table.insert(history, input)
        skynet.send(channel, {
            code = input,
            signature = e.sign(priv, input)
        })
    end
end)