// you should have a sub wallet in your coin

blockchain = include_lib("/lib/blockchain.so")
if not blockchain then exit("Error: Missing blockchain.so library in the /lib")

if params.len == 0 then exit("usage: backend wallet_id wallet_pass OR backend reset wallet_id wallet_pass")

my_coin = blockchain.get_coin("coin", "user", "pass")
SUBWALLET_PREPEND = "sub" // this should match with the front end
SUBWALLET_PASS = "123" // this should match with the front end

// delete all the wallets
if params[0] == "reset" then
	//for subwallet in my_coin.get_subwallets()
		//print(subwallet)
		//print(subwallet.get_info)
	//end for
	wallet = login_wallet(params[1], params[2])
	my_coin.delete_subwallet(SUBWALLET_PREPEND+params[1])
	my_coin.create_subwallet(params[1], wallet.get_pin, SUBWALLET_PREPEND+params[1], SUBWALLET_PASS)
	my_coin.get_subwallet(SUBWALLET_PREPEND+params[1]).add_coins(1)
	exit
end if

wallet = login_wallet(params[0], params[1])

// set running flag
tick_control = [false]
tick = function()
	if tick_control[0] == true then
		value = 999999
		tick_control[0] = false
	else
		value = 999998
		tick_control[0] = true
	end if
	wallet.cancel_pending_trade("coin")
	out = wallet.sell_coin("coin", 1, value)
	if typeof(out) == "string" and out.indexOf("pending until") == null then exit("<color=red>"+out+" you may use the reset param to setup</color>")
	wait(0.1)
	wallet.cancel_pending_trade("coin")
end function

// register users
while true
	tick
	for coin_name in wallet.list_global_coins
		users = wallet.get_global_offers(coin_name).indexes
		for user in users
			//if coin_name.len != 5 then continue
			sub_wallet = my_coin.create_subwallet(user, coin_name, SUBWALLET_PREPEND+user, SUBWALLET_PASS)
			if sub_wallet == 1 then
				print("new account created: sub"+user+" 123")
			else
				//print("<color=red>"+sub_wallet+"</color> "+user+" "+coin_name)
			end if
		end for
	end for
end while