global_exchange/atm.lua

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Lua
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-- A telling machine. Call this file with the exchange argument.
local exchange = ...
local atm_form = "global_exchange:atm_form"
local main_menu =[[
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size[6,2]
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button[0,0;2,1;new_account;New Account]
button[2,0;2,1;info;Account Info]
button[4,0;2,1;wire;Wire Monies]
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button[1,1;4,1;transaction_log;Transaction Log]
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]]
local function logout(x,y)
return "button[" .. x .. "," .. y .. ";2,1;logout;Log Out]"
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end
local function label(x,y,text)
return "label[" .. x .. "," .. y .. ";"
.. minetest.formspec_escape(text) .. "]"
end
local function field(x,y, w,h, name, label, default)
return "field[" .. x .. "," .. y .. ";" .. w .. "," .. h .. ";"
.. name .. ";" .. minetest.formspec_escape(label) .. ";"
.. minetest.formspec_escape(default) .. "]"
end
local unique_num = 1
local function unique()
local ret = unique_num
unique_num = unique_num + 1
return ret
end
local function new_account_fs(p_name)
local act_suc, err = exchange:new_account(p_name)
local fs
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if not act_suc then
fs = label(0.5,0.5, "Error: " .. err)
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else
fs = label(0.5,0.5, "Congratulations on \nyour new account.")
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end
return "size[4,3]" .. fs .. logout(0.5,2)
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end
local function info_fs(p_name)
local balance = exchange:get_balance(p_name)
local fs
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if not balance then
fs = label(0.5,0.5, "You don't have an account.")
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else
fs = label(0.5,0.5, "Balance: " .. balance)
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end
return "size[4,3]" .. fs .. logout(0.5,2)
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end
local function wire_fs(p_name)
local balance = exchange:get_balance(p_name)
local fs = "size[4,5]" .. logout(0,4)
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if not balance then
return fs .. label(0.5,0.5, "You don't have an account.")
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end
-- To prevent duplicates
return fs .. field(-100, -100, 0,0, "trans_id", "", unique()) ..
label(0.5,0.5, "Balance: " .. balance) ..
field(0.5,1.5, 2,1, "recipient", "Send to:", "") ..
field(0.5,2.5, 2,1, "amount", "Amount", "") ..
"button[2,4;2,1;send;Send]"
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end
local function send_fs(p_name, receiver, amt_str)
local fs = "size[7,3]"
local amt = tonumber(amt_str)
if not amt
or amt <= 0 then
return fs .. label(0.5,0.5, "Invalid transfer amount.") ..
"button[0.5,2;2,1;wire;Back]"
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end
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local succ, err = exchange:transfer_credits(p_name, receiver, amt)
if not succ then
return fs .. label(0.5,0.5, "Error: " .. err) ..
"button[0.5,2;2,1;wire;Back]"
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end
return fs.. label(0.5,0.5, "Successfully sent " ..
amt .. " credits to " .. receiver) ..
"button[0.5,2;2,1;wire;Back]"
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end
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local function log_fs(p_name)
local res = {
"size[8,8]label[0,0;Transaction Log]button[0,7;2,1;logout;Log Out]",
"tablecolumns[text;text]",
"table[0,1;8,6;log_table;Time,Message",
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}
for i, entry in ipairs(exchange:player_log(p_name)) do
i = i*4
res[i] = ","
res[i+1] = tostring(entry.Time)
res[i+2] = ","
res[i+3] = entry.Message
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end
res[#res+1] ="]"
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return table.concat(res)
end
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local trans_ids = {}
minetest.register_on_player_receive_fields(function(player, formname, fields)
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if formname ~= atm_form then return end
if fields.quit then return true end
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local p_name = player:get_player_name()
local this_id = fields.trans_id
if this_id and this_id == trans_ids[p_name] then
return true
end
trans_ids[p_name] = this_id
if fields.logout then
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minetest.show_formspec(p_name, atm_form, main_menu)
end
if fields.new_account then
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minetest.show_formspec(p_name, atm_form, new_account_fs(p_name))
end
if fields.info then
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minetest.show_formspec(p_name, atm_form, info_fs(p_name))
end
if fields.wire then
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minetest.show_formspec(p_name, atm_form, wire_fs(p_name))
end
if fields.send then
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minetest.show_formspec(p_name, atm_form,
send_fs(p_name, fields.recipient, fields.amount))
end
if fields.transaction_log then
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minetest.show_formspec(p_name, atm_form, log_fs(p_name))
end
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return true
end)
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minetest.register_node("global_exchange:atm", {
description = "ATM",
tiles = {"global_exchange_atm_top.png",
"global_exchange_atm_top.png",
"global_exchange_atm_side.png",
},
groups = {cracky=2},
on_rightclick = function(pos, _, clicker)
minetest.show_formspec(clicker:get_player_name(), atm_form, main_menu)
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end,
})
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minetest.register_craft( {
output = "global_exchange:atm",
recipe = {
{ "default:stone", "default:stone", "default:stone" },
{ "default:stone", "default:gold_ingot", "default:stone" },
{ "default:stone", "default:stone", "default:stone" },
}
})