[
"autonomous agent",
{
"doc_url": "https://city.obyte.org/city.json",
"getters": "{
/* nonce: 3910404 */
$lib_aa = '3LUPAHCQMJCQDKFVZB7GFKYJMHZ5BC67';
$year = 31536000; // 365 * 24 * 3600;
$launch_date = '2025-02-25';
$fundraise_recipient = 'EI3FGZ2662IGAKOOJ2Q4NKNLIJYEQQY3';
$randomness_timeout = 1800;
$max_randomness_delay = 600;
$matching_timeout = 600;
$get_deposited_supply = () => {
$state = var['state'];
$state.total_land
};
$get_variables = () => {
var['variables'] OTHERWISE {
matching_probability: 0.05,
plot_price: 1000e9,
referral_boost: 0.1,
randomness_aa: '3JMDMAGREGD5D4GDIQQXXKGZATYZD7QB',
randomness_price: 0.001,
p2p_sale_fee: 0.01,
shortcode_sale_fee: 0.01,
rental_surcharge_factor: 1,
followup_reward_share: 0.1,
attestors: 'WMFLGI2GLAB2MDF2KQAH37VNRRMK7A5N:EJC4A7WQGHEZEKW6RLO7F26SAR4LAQBU:WVO7PWJUAIEGJM7HY25SX6UPXSTCN4VH',
}
};
$get_randomness_request = $plot_num => {
$plot = var['plot_'||$plot_num];
require($plot, "no such request");
require($plot.status == 'pending', "plot already allocated");
$want_max_security = timestamp < $plot.ts + $max_randomness_delay;
return {
// seed: $plot.unit,
ts: $plot.ts,
want_max_security: $want_max_security,
};
};
$get_buy_fee = $city_name => {
$city = var['city_'||($city_name OTHERWISE 'city')];
require($city, "no such city");
$variables = $get_variables();
$plot_price = $city.plot_price OTHERWISE $variables.plot_price;
$matching_probability = $city.matching_probability OTHERWISE $variables.matching_probability;
$referral_boost = $city.referral_boost OTHERWISE $variables.referral_boost;
$buy_fee = 2 * (1 + $referral_boost) * $matching_probability / (1 - 4 * $matching_probability);
return $buy_fee;
};
$are_neighbors = ($plot1_num, $plot2_num, $allow_same_owner) => {
require($plot1_num < $plot2_num, "not ordered");
$plot1 = var['plot_'||$plot1_num];
require($plot1, "no such plot1");
require($plot1.status == 'land', "plot1 is not a vacant plot of land, can't build");
$plot2 = var['plot_'||$plot2_num];
require($plot2, "no such plot2");
require($plot2.status == 'land', "plot2 is not a vacant plot of land, can't build");
if (!$allow_same_owner){
require($plot1.owner != $plot2.owner, "both plots have the same owner");
require($plot1.username != $plot2.username, "both plots are attested to the same username");
}
require($plot1.city == $plot2.city, "plots must be in the same city");
$city_name = $plot1.city;
$city = var['city_'||$city_name];
// if a user matches two plots they own, they can try to circumvent self-matching by transferring one of the plots to another account. The two below rules prevent this circumvention.
if ($plot2.last_transfer_ts)
bounce("the later plot was transferred after matching");
if ($plot1.last_transfer_ts AND $plot1.last_transfer_ts > $plot2.ts)
bounce("the earlier plot was transferred after matching");
// check that no rentals were bought after plot2 to expand the matching area
if ($plot1.rental_expiry_ts AND $plot1.rental_expiry_ts - $year > $plot2.ts)
bounce("the earlier plot was expanded by rental after matching");
$variables = $get_variables();
$matching_probability = $city.matching_probability OTHERWISE $variables.matching_probability;
$referral_boost = $city.referral_boost OTHERWISE $variables.referral_boost;
$is_referrer_match = ($plot2.ref_plot_num AND $plot2.ref_plot_num == $plot1_num) ? 1 : 0;
$plot1_rented_amount = ($plot1.rented_amount AND timestamp < $plot1.rental_expiry_ts) ? $plot1.rented_amount : 0;
// plot1 has a square around it, and plot2 is just a point that has to land within the square to be declared neighbor
$max_distance = sqrt(1e12 * $matching_probability * (($plot1.amount + $plot1_rented_amount) / ($city.total_land + $city.total_rented) + $is_referrer_match * $referral_boost)) / 2;
$bNeighbors = abs($plot1.x - $plot2.x) <= $max_distance AND abs($plot1.y - $plot2.y) <= $max_distance;
return $bNeighbors;
};
}",
"init": "{
$lib = $lib_aa||'';
$followup_reward_days = {
'60': true, // +2 months
'150': true, // +3 months
'270': true, // +4 months
'450': true, // +6 months
'720': true, // +9 months
'1080': true, // +12 months
'1620': true, // +18 months
};
$followup_claim_term = 10; // days
$bPrelaunch = trigger.data.bPrelaunch OTHERWISE timestamp < parse_date($launch_date);
$constants = var['constants'] OTHERWISE {};
// CITY token
$asset = $constants.asset;
$governance_aa = $constants.governance_aa;
$variables = $get_variables();
$state = var['state'] OTHERWISE {
last_plot_num: 0,
last_house_num: 0,
total_land: 0,
};
if ($asset)
$received_amount = trigger.output[[asset=($bPrelaunch AND trigger.data.buy AND !trigger.data.mayor_plot ? 'base' : $asset)]];
if (trigger.data.to AND !is_valid_address(trigger.data.to))
bounce("bad to address");
$to = trigger.data.to OTHERWISE trigger.address;
$username = attestation[[attestors=$variables.attestors, address=$to, ifnone=false]].username;
if (trigger.data.plot_num){
$plot_num = trigger.data.plot_num;
$plot = var['plot_'||$plot_num];
require($plot, "no such plot");
require($plot.status == 'land', "not a vacant plot of land");
}
$governance_base_aa = 'JGGFM55N6626QBQWAYBHMBN6A76TVPK5';
}",
"messages": {
"cases": [
{
"if": "{ trigger.data.define AND !$asset }",
"messages": [
{
"app": "asset",
"payload": {
"is_private": false,
"is_transferrable": true,
"auto_destroy": false,
"fixed_denominations": false,
"issued_by_definer_only": true,
"cosigned_by_definer": false,
"spender_attested": false
}
},
{
"app": "definition",
"payload": {
"definition": [
"autonomous agent",
{
"base_aa": "{$governance_base_aa}",
"params": {
"city_aa": "{this_address}",
"challenging_period": 180
}
}
]
}
},
{
"app": "state",
"state": "{
$constants.asset = response_unit;
$constants.governance_aa = unit[response_unit].messages[[.app='definition']].payload.address;
var['constants'] = $constants;
var['city_city'] = { // the first city is called just "city"
count_plots: 0,
count_houses: 0,
total_land: 0,
total_bought: 0,
total_rented: 0,
start_ts: 0,
mayor: $fundraise_recipient,
};
response['asset'] = response_unit;
}"
}
]
},
{
"if": "{ trigger.address == $governance_aa AND trigger.data.name }",
"init": "{
$name = trigger.data.name;
$value = trigger.data.value;
$city_name = trigger.data.city;
}",
"messages": [
{
"app": "state",
"state": "{
if ($city_name){
if ($name == 'new_city')
$city = {
count_plots: 0,
count_houses: 0,
total_land: 0,
total_bought: 0,
total_rented: 0,
start_ts: 0,
mayor: trigger.data.mayor,
};
else{
$city = var['city_'||$city_name];
$city[$name] = $value;
}
var['city_'||$city_name] = $city;
}
else{
$variables[$name] = $value;
var['variables'] = $variables;
}
}"
}
]
},
{
"if": "{
$buy_from_balance = trigger.data.buy_from_balance;
($received_amount > 0 OR $buy_from_balance OR trigger.data.mayor_plot) AND trigger.data.buy
}",
"init": "{
$city_name = trigger.data.city OTHERWISE 'city';
$city = var['city_'||$city_name];
require($city, "no such city");
require($username, "your address must be attested");
$plot_price = $city.plot_price OTHERWISE $variables.plot_price;
$matching_probability = $city.matching_probability OTHERWISE $variables.matching_probability;
$referral_boost = $city.referral_boost OTHERWISE $variables.referral_boost;
$buy_fee = 2 * (1 + $referral_boost) * $matching_probability / (1 - 4 * $matching_probability);
$price = ceil($plot_price * (1 + $buy_fee));
if ($buy_from_balance){
require($to == trigger.address, "owner cannot be redefined when buying from balance");
require($received_amount == 0, "do not send coins when buying from balance");
$balance = var['balance_'||trigger.address] OTHERWISE 0;
require($balance >= $price, "not enough balance to buy");
}
else if (trigger.data.mayor_plot AND trigger.address == $city.mayor){
require($received_amount == 0, "do not send coins when creating a mayor plot");
$bMayorPlot = true;
}
else{
$bought_tokens = $bPrelaunch ? floor($plot_price * 0.1) : 0;
$expected_amount = round(($price + $bought_tokens)/($bPrelaunch ? 1000 : 1));
require($received_amount == $expected_amount, "incorrect amount received, expected "||$expected_amount);
}
}",
"messages": [
{
"if": "{$bought_tokens}",
"app": "payment",
"payload": {
"asset": "{$asset}",
"outputs": [
{
"address": "{$to}",
"amount": "{$bought_tokens}"
}
]
}
},
{
"app": "state",
"state": "{
if ($buy_from_balance)
var['balance_'||trigger.address] -= $price;
$new_plot_num = $state.last_plot_num + 1;
$state.last_plot_num = $new_plot_num;
$new_plot = {
status: 'pending',
amount: 0,
city: $city_name,
ts: timestamp,
};
if (!$bMayorPlot){
$new_plot.owner = $to;
$new_plot.username = $username;
$new_plot.amount = $plot_price;
if ($city.total_bought == 0)
$city.start_ts = timestamp;
$state.total_land = $state.total_land + $plot_price;
$city.count_plots = $city.count_plots + 1;
$city.total_land = $city.total_land + $plot_price;
$city.total_bought = $city.total_bought + $plot_price;
var['user_land_'||$to] += $plot_price;
var['user_land_'||$city_name||'_'||$to] += $plot_price;
$ref = trigger.data.ref;
if (($ref OR trigger.data.ref_plot_num) AND $received_amount){
if (trigger.data.ref_plot_num) // we don't check that it is valid and exists
$new_plot.ref_plot_num = trigger.data.ref_plot_num;
else{
require(is_valid_address($ref), "invalid referrer address");
$new_plot.ref = $ref;
$ref_plot_num = var['user_main_plot_'||$city_name||'_'||$ref];
if ($ref_plot_num)
$new_plot.ref_plot_num = $ref_plot_num;
else
response['warning'] = "The referring user has no main plot";
}
}
}
var['plot_'||$new_plot_num] = $new_plot;
var['city_'||$city_name] = $city;
var['state'] = $state;
response['message'] = "Order received, now wait for randomness to determine your new plot's coordinates";
response['plot_num'] = $new_plot_num;
response['event'] = json_stringify({type: 'buy', plot_num: $new_plot_num, owner: $new_plot.owner, amount: $new_plot.amount, city: $city_name, from_balance: $buy_from_balance, mayor_plot: $bMayorPlot});
}"
}
]
},
{
"if": "{ trigger.data.rand AND trigger.data.req_id AND trigger.address == $variables.randomness_aa }",
"init": "{
$new_plot_num = trigger.data.req_id;
$new_plot = var['plot_'||$new_plot_num];
require($new_plot.status == 'pending', "plot already received");
$new_plot.status = 'land';
// assign coordinates
$n = number_from_seed(trigger.data.rand, 1e12 - 1);
$x = floor($n / 1e6);
$y = $n % 1e6;
$new_plot.x = $x;
$new_plot.y = $y;
}",
"messages": [
{
"app": "state",
"state": "{
var['plot_'||$new_plot_num] = $new_plot.amount ? $new_plot : false;
$city_name = $new_plot.city;
if ($new_plot.amount){
response['event'] = json_stringify({type: 'allocate', plot_num: $new_plot_num, x: $x, y: $y, city: $city_name});
}
else{ // free plot created by the mayor
$state.last_house_num = $state.last_house_num + 2;
var['house_'||$state.last_house_num] = {
plot_num: $new_plot_num,
// owner: none
amount: 0,
city: $city_name,
x: $x,
y: $y,
ts: timestamp,
plot_ts: $new_plot.ts,
info: $new_plot.info,
};
var['state'] = $state;
response['event'] = json_stringify({type: 'house', house_num: $state.last_house_num, plot_num: $new_plot_num, amount: 0, x: $x, y: $y, city: $city_name});
}
$city = var['city_'||$city_name];
var['rand_provider_balance_'||$variables.randomness_aa] += floor(($new_plot.amount OTHERWISE $city.plot_price OTHERWISE $variables.plot_price) * $variables.randomness_price);
}"
}
]
},
{
"if": "{
$randomness_aa = trigger.data.randomness_aa;
trigger.data.withdraw_rand_provider_earnings AND $randomness_aa
}",
"init": "{
$balance = var['rand_provider_balance_'||$randomness_aa];
require($balance, "no balance");
}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "{$asset}",
"outputs": [
{
"address": "{$randomness_aa}",
"amount": "{$balance}"
}
]
}
},
{
"app": "state",
"state": "{
var['rand_provider_balance_'||$randomness_aa] = 0;
}"
}
]
},
{
"if": "{trigger.data.leave AND $plot_num}",
"init": "{
require($plot.owner == trigger.address, "you are not the owner");
$amount = $plot.amount;
$city_name = $plot.city;
$city = var['city_'||$city_name];
}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "{$asset}",
"outputs": [
{
"address": "{trigger.address}",
"amount": "{$amount}"
}
]
}
},
{
"app": "payment",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{$governance_aa}",
"amount": 1000
}
]
}
},
{
"app": "data",
"payload": {
"update_user_balance": 1,
"address": "{trigger.address}",
"city": "{$city_name}"
}
},
{
"app": "state",
"state": "{
var['plot_'||$plot_num] = false;
$city.count_plots = $city.count_plots - 1;
$city.total_land = $city.total_land - $amount;
$state.total_land = $state.total_land - $amount;
var['city_'||$city_name] = $city;
var['user_land_'||trigger.address] -= $amount;
var['user_land_'||$city_name||'_'||trigger.address] -= $amount;
var['state'] = $state;
// response['message'] = "Left plot";
response['event'] = json_stringify({type: 'leave', plot_num: $plot_num, city: $city_name});
}"
}
]
},
{
"if": "{
$plot1_num = trigger.data.plot1_num;
$plot2_num = trigger.data.plot2_num;
trigger.data.build AND $plot1_num AND $plot2_num
}",
"init": "{
require($plot1_num < $plot2_num, "not ordered");
$plot1 = var['plot_'||$plot1_num];
require($plot1, "no such plot1");
require($plot1.status == 'land', "plot1 is not a vacant plot of land, can't build");
$owner1 = $plot1.owner;
$bOwnerOf1 = $owner1 == trigger.address;
$plot2 = var['plot_'||$plot2_num];
require($plot2, "no such plot2");
require($plot2.status == 'land', "plot2 is not a vacant plot of land, can't build");
$owner2 = $plot2.owner;
$bOwnerOf2 = $owner2 == trigger.address;
require($bOwnerOf1 OR $bOwnerOf2, "you are not the owner of any plot");
if ($bOwnerOf1 AND $bOwnerOf2)
bounce("you are the owner of both plots");
require($plot1.username != $plot2.username, "both plots are attested to the same username");
require($plot1.city == $plot2.city, "plots must be in the same city");
$city_name = $plot1.city;
$city = var['city_'||$city_name];
// if a user matches two plots they own, they can try to circumvent self-matching by transferring one of the plots to another account. The two below rules prevent this circumvention.
if ($plot2.last_transfer_ts)
bounce("the later plot was transferred after matching");
if ($plot1.last_transfer_ts AND $plot1.last_transfer_ts > $plot2.ts)
bounce("the earlier plot was transferred after matching");
// check that no rentals were bought after plot2 to expand the matching area
if ($plot1.rental_expiry_ts AND $plot1.rental_expiry_ts - $year > $plot2.ts)
bounce("the earlier plot was expanded by rental after matching");
$matching_probability = $city.matching_probability OTHERWISE $variables.matching_probability;
$referral_boost = $city.referral_boost OTHERWISE $variables.referral_boost;
$is_referrer_match = ($plot2.ref_plot_num AND $plot2.ref_plot_num == $plot1_num) ? 1 : 0;
$plot1_rented_amount = ($plot1.rented_amount AND timestamp < $plot1.rental_expiry_ts) ? $plot1.rented_amount : 0;
// plot1 has a square around it, and plot2 is just a point that has to land within the square to be declared neighbor
$max_distance = sqrt(1e12 * $matching_probability * (($plot1.amount + $plot1_rented_amount) / ($city.total_land + $city.total_rented) + $is_referrer_match * $referral_boost)) / 2;
$bNeighbors = abs($plot1.x - $plot2.x) <= $max_distance AND abs($plot1.y - $plot2.y) <= $max_distance;
require($bNeighbors, "not neighbors");
}",
"messages": [
{
"app": "state",
"state": "{
$key = 'match_'||$plot1_num||'_'||$plot2_num;
$match = var[$key];
if (!$match){
$new_match = {first: trigger.address, ts: timestamp};
response['message'] = "Registered your request. Your neighbor must send their request within 10 minutes, otherwise you both will have to start over.";
}
else{
require(!$match.built_ts, "houses already built");
if ($match.first == trigger.address){
$match.ts = timestamp;
response['message'] = "Refreshed your request. Your neighbor must send their request within 10 minutes, otherwise you both will have to start over.";
}
else{
$bInTime = timestamp < $match.ts + $matching_timeout;
if (!$bInTime){
$match.ts = timestamp;
$match.first = trigger.address;
response['message'] = "Unfortunately, you are too late. Your neighbor has to send their request again within 10 minutes, otherwise you both will have to start over.";
}
else{ // build houses and allocate new plots
$match.built_ts = timestamp;
$amount = min($plot1.amount, $plot2.amount);
$plot1.amount = $plot1.amount - $amount;
$plot2.amount = $plot2.amount - $amount;
$house1_num = $state.last_house_num + 1;
$house2_num = $house1_num + 1;
$state.last_house_num = $house2_num;
var['house_'||$house1_num] = {
plot_num: $plot1_num,
owner: $owner1,
amount: $amount,
city: $city_name,
x: $plot1.x,
y: $plot1.y,
ts: timestamp,
plot_ts: $plot1.ts,
info: $plot1.info,
};
var['house_'||$house2_num] = {
plot_num: $plot2_num,
owner: $owner2,
amount: $amount,
city: $city_name,
x: $plot2.x,
y: $plot2.y,
ts: timestamp,
plot_ts: $plot2.ts,
info: $plot2.info,
};
$events = [
{type: 'house', house_num: $house1_num, plot_num: $plot1_num, owner: $owner1, amount: $amount, city: $city_name, x: $plot1.x, y: $plot1.y},
{type: 'house', house_num: $house2_num, plot_num: $plot2_num, owner: $owner2, amount: $amount, city: $city_name, x: $plot2.x, y: $plot2.y},
];
var['plot_'||$plot1_num] = ($plot1.amount == 0) ? false : $plot1;
var['plot_'||$plot2_num] = ($plot2.amount == 0) ? false : $plot2;
$lost_rented_amount = (($plot1.amount == 0 AND $plot1.rented_amount) ? $plot1.rented_amount : 0) + (($plot2.amount == 0 AND $plot2.rented_amount) ? $plot2.rented_amount : 0);
if ($lost_rented_amount)
$city.total_rented = $city.total_rented - $lost_rented_amount;
// create 4 new plots
$p1 = {
status: 'pending',
owner: $owner1,
username: $plot1.username,
amount: $amount,
city: $city_name,
ts: timestamp,
};
$p2 = {
status: 'pending',
owner: $owner2,
username: $plot2.username,
amount: $amount,
city: $city_name,
ts: timestamp,
};
$last_plot_num = $state.last_plot_num;
foreach([1,2,3,4], 4, $offset => {
$new_plot_num = $last_plot_num + $offset;
$p = $offset <= 2 ? $p1 : $p2;
var['plot_'||$new_plot_num] = $p;
$events[] = {type: 'reward', plot_num: $new_plot_num, owner: $p.owner, amount: $amount, city: $city_name};
});
// reassign main plot num if it has just been built upon
$main_plot_num1 = var['user_main_plot_'||$city_name||'_'||$owner1];
$main_plot_num2 = var['user_main_plot_'||$city_name||'_'||$owner2];
if ($main_plot_num1 AND $main_plot_num1 == $plot1_num)
var['user_main_plot_'||$city_name||'_'||$owner1] = $last_plot_num + 1;
if ($main_plot_num2 AND $main_plot_num2 == $plot2_num)
var['user_main_plot_'||$city_name||'_'||$owner2] = $last_plot_num + 3;
$state.last_plot_num = $last_plot_num + 4;
$state.total_land = $state.total_land + 2 * $amount;
$city.count_plots = $city.count_plots + 2;
$city.count_houses = $city.count_houses + 2;
$city.total_land = $city.total_land + 2 * $amount;
// $city.total_bought = $city.total_bought + 2 * $amount;
var['city_'||$city_name] = $city;
var['state'] = $state;
var['user_houses_'||$owner1] += 1;
var['user_houses_'||$owner2] += 1;
var['user_houses_'||$city_name||'_'||$owner1] += 1;
var['user_houses_'||$city_name||'_'||$owner2] += 1;
var['user_land_'||$owner1] += $amount;
var['user_land_'||$owner2] += $amount;
var['user_land_'||$city_name||'_'||$owner1] += $amount;
var['user_land_'||$city_name||'_'||$owner2] += $amount;
response['message'] = "Now you've built a house on your land and will receive two new plots of land. Please wait a few minutes for the plots to be randomly allocated.";
response['events'] = json_stringify($events);
}
}
}
var[$key] = $match OTHERWISE $new_match;
}"
}
]
},
{
"if": "{trigger.data.sell AND $plot_num}",
"init": "{
$sale_price = trigger.data.sale_price;
require($plot.owner == trigger.address, "you are not the owner");
require($sale_price > $plot.amount OR $sale_price == 0, "bad sale price");
}",
"messages": [
{
"app": "state",
"state": "{
response['message'] = $sale_price ? 'Put on sale' : 'Withdrawn from sale';
response['event'] = json_stringify({type: 'p2p-sell', plot_num: $plot_num, sale_price: $sale_price});
$plot.sale_price = $sale_price;
var['plot_'||$plot_num] = $plot;
}"
}
]
},
{
"if": "{
$p2p_buy = trigger.data.p2p_buy AND !trigger.data.to AND $received_amount > 0;
$plot_num AND (trigger.data.transfer OR $p2p_buy)
}",
"init": "{
$old_owner = $plot.owner;
if ($p2p_buy){
require($old_owner != trigger.address, "you are already the owner");
require($plot.sale_price, "not on sale");
require($plot.sale_price == $received_amount, "wrong amount");
$fee = ceil($variables.p2p_sale_fee * $plot.sale_price);
}
else{ // transfer
require($old_owner == trigger.address, "you are not the owner");
require($to != $old_owner, "same owner");
}
require($username, "new owner's address must be attested");
}",
"messages": [
{
"if": "{$p2p_buy}",
"app": "payment",
"payload": {
"asset": "{$asset}",
"outputs": [
{
"address": "{$old_owner}",
"amount": "{$received_amount - $fee}"
}
]
}
},
{
"app": "payment",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{$governance_aa}",
"amount": 1000
}
]
}
},
{
"app": "data",
"payload": {
"update_user_balance": 1,
"address": "{$old_owner}",
"city": "{$plot.city}"
}
},
{
"app": "state",
"state": "{
if ($p2p_buy){
$new_owner = trigger.address;
response['message'] = 'Bought';
response['event'] = json_stringify({type: 'p2p-buy', plot_num: $plot_num, amount: $plot.amount, sale_price: $received_amount, fee: $fee, old_owner: $old_owner, new_owner: $new_owner});
}
else{ // transfer
$new_owner = $to;
response['message'] = 'Transferred';
response['event'] = json_stringify({type: 'transfer', plot_num: $plot_num, old_owner: $old_owner, new_owner: $to});
}
$plot.owner = $new_owner;
$plot.username = $username;
$plot.last_transfer_ts = timestamp;
delete($plot, 'sale_price');
// if the plot had a rental, it stays with the plot
var['plot_'||$plot_num] = $plot;
var['user_land_'||$new_owner] += $plot.amount;
var['user_land_'||$old_owner] -= $plot.amount;
var['user_land_'||$plot.city||'_'||$new_owner] += $plot.amount;
var['user_land_'||$plot.city||'_'||$old_owner] -= $plot.amount;
}"
}
]
},
{
"if": "{
$rented_amount = trigger.data.rented_amount;
trigger.data.rent AND $plot_num AND $rented_amount AND $received_amount > 0
}",
"init": "{
require($plot.owner == trigger.address, "you are not the owner");
$city = var['city_'||$plot.city];
$matching_probability = $city.matching_probability OTHERWISE $variables.matching_probability;
$plot_price = $city.plot_price OTHERWISE $variables.plot_price;
$count_bought = $city.total_bought / $plot_price;
require($count_bought > 10, "too few plots bought yet"); // to make count_buys_next_year estimate reliable
$old_rented_amount = $plot.rented_amount;
$total_working = $city.total_land + $city.total_rented + $rented_amount - $old_rented_amount;
$elapsed = timestamp - $city.start_ts;
$count_buys_next_year = $year/$elapsed * $count_bought;
// income is overestimated if rental amount is large while $plot.amount is small, then the $plot.amount would be used in full before the year expires
$income_from_one_buy_per_rented_token = 2 * $plot_price * $matching_probability / $total_working; // "2" because there are two users, each earns one additional plot
$fee_per_rented_token = $variables.rental_surcharge_factor * $income_from_one_buy_per_rented_token * $count_buys_next_year; // surcharge factor * yearly income per rented token
$rental_fee = ceil($fee_per_rented_token * $rented_amount);
if ($old_rented_amount AND timestamp < $plot.rental_expiry_ts){
require($rented_amount >= $old_rented_amount, "rental amount cannot be decreased");
$unused_rent = floor($fee_per_rented_token * $old_rented_amount * ($plot.rental_expiry_ts - timestamp) / $year);
}
$required_fee = $rental_fee - $unused_rent;
$excess = $received_amount - $required_fee;
require($excess >= 0, "not enough paid for rental fee, required "||$required_fee);
}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "{$asset}",
"outputs": [
{
"address": "{trigger.address}",
"amount": "{$excess}"
}
]
}
},
{
"app": "state",
"state": "{
response['message'] = 'Rented';
$city.total_rented = $city.total_rented + $rented_amount - $old_rented_amount;
var['city_'||$plot.city] = $city;
$plot.rented_amount = $rented_amount;
$plot.rental_expiry_ts = timestamp + $year;
response['event'] = json_stringify({type: 'rent', plot_num: $plot_num, rented_amount: $rented_amount, rental_expiry_ts: $plot.rental_expiry_ts, rental_fee: $rental_fee});
var['plot_'||$plot_num] = $plot;
}"
}
]
},
{
"if": "{trigger.data.end_rental AND $plot_num}",
"init": "{
require($plot.rented_amount AND timestamp > $plot.rental_expiry_ts, "rental is still active");
$city = var['city_'||$plot.city];
}",
"messages": [
{
"app": "state",
"state": "{
response['message'] = 'Ended rental';
$city.total_rented = $city.total_rented - $plot.rented_amount;
var['city_'||$plot.city] = $city;
response['event'] = json_stringify({type: 'end_rental', plot_num: $plot_num, rented_amount: $plot.rented_amount});
$plot.rented_amount = 0;
var['plot_'||$plot_num] = $plot;
}"
}
]
},
{
"if": "{
$days = trigger.data.days;
$house1_num = trigger.data.house1_num;
$house2_num = trigger.data.house2_num;
trigger.data.followup AND $days AND $house1_num AND $house2_num
}",
"init": "{
require($followup_reward_days[$days], "no such follow-up");
$house1 = var['house_'||$house1_num];
$house2 = var['house_'||$house2_num];
$key = 'followup_'||$house1_num||'_'||$house2_num;
// the follow-up reward share might be changed by governance but it affects only future followups
$fu = var[$key] OTHERWISE {reward: floor($variables.followup_reward_share * $house1.amount)};
$res = $lib#0.$claim_followup_reward($house1, $house2, $house1_num, $house2_num, $days||'', trigger.address, $followup_claim_term, $matching_timeout, $fu);
}",
"messages": [
{
"app": "state",
"state": "{
response['message'] = $res.message;
if ($res.bPaid){
var['balance_'||$house1.owner] += $fu.reward;
var['balance_'||$house2.owner] += $fu.reward;
response['event'] = $res.event;
}
var[$key] = $res.fu; // $res.fu is the modified $fu
}"
}
]
},
{
"if": "{trigger.data.edit_house AND trigger.data.house_num}",
"init": "{
$house_num = trigger.data.house_num;
$house = var['house_'||$house_num];
require($house, "no such house");
$city = var['city_'||$house.city];
require($house.owner AND $house.owner == trigger.address OR $house.amount == 0 AND $city.mayor == trigger.address, "you are not the owner");
}",
"messages": [
{
"app": "state",
"state": "{
$shortcode = trigger.data.shortcode;
if (($shortcode OR trigger.data.release_shortcode) AND $house.shortcode){
var['shortcode_'||$house.shortcode] = false; // release the old shortcode first
$house.shortcode = '';
}
if ($shortcode){
require($house.amount, "mayor houses cannot be assigned shortcodes");
require($house.amount >= $variables.plot_price, "the plot is too cheap");
require(typeof($shortcode) == 'string', "shortcode must be a string");
require(has_only($shortcode, "a-z0-9_.-"), "shortcode is allowed to include only lowercase latin letters, numbers, -, _, and .");
require(!var['shortcode_'||$shortcode], "this shortcode is already taken");
// if (trigger.data.address)
// require(is_valid_address(trigger.data.address), "address not valid");
// $address = trigger.data.address OTHERWISE trigger.address;
var['shortcode_'||$shortcode] = $to;
$house.shortcode = $shortcode;
}
if (trigger.data.sell_shortcode AND is_integer(trigger.data.shortcode_price) AND trigger.data.shortcode_price >= 0)
$house.shortcode_price = trigger.data.shortcode_price; // 0 removes the shortcode from sale
if (exists(trigger.data.new_owner) AND $house.amount == 0) // assign a manager of a mayor house
$house.owner = trigger.data.new_owner;
if (trigger.data.info)
$house.info = trigger.data.info;
response['message'] = 'Edited house';
response['event'] = json_stringify({type: 'edit_house', house_num: $house_num, info: trigger.data.info, shortcode: $shortcode, release_shortcode: trigger.data.release_shortcode});
var['house_'||$house_num] = $house;
}"
}
]
},
{
"if": "{
$seller_house_num = trigger.data.seller_house_num;
$my_house_num = trigger.data.my_house_num;
trigger.data.p2p_buy_shortcode AND $seller_house_num AND $my_house_num AND $received_amount > 0
}",
"init": "{
$seller_house = var['house_'||$seller_house_num];
$my_house = var['house_'||$my_house_num];
$res = $lib#0.$buy_shortcode($seller_house, $my_house, $seller_house_num, $my_house_num, trigger.address, $received_amount, $variables);
}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "{$asset}",
"outputs": [
{
"address": "{$seller_house.owner}",
"amount": "{$res.net_amount}"
}
]
}
},
{
"app": "state",
"state": "{
response['message'] = 'Bought shortcode';
response['event'] = $res.event;
var['house_'||$seller_house_num] = $res.seller_house;
var['house_'||$my_house_num] = $res.buyer_house;
}"
}
]
},
{
"if": "{trigger.data.edit_plot AND $plot_num AND trigger.data.info}",
"init": "{
require($plot.owner == trigger.address, "you are not the owner");
}",
"messages": [
{
"app": "state",
"state": "{
$plot.info = trigger.data.info;
response['message'] = 'Edited plot';
response['event'] = json_stringify({type: 'edit_plot', plot_num: $plot_num, info: trigger.data.info});
var['plot_'||$plot_num] = $plot;
}"
}
]
},
{
"if": "{trigger.data.edit_user AND (trigger.data.info OR trigger.data.main_plot_num)}",
"messages": [
{
"app": "state",
"state": "{
if (trigger.data.main_plot_num){
$main_plot = var['plot_'||trigger.data.main_plot_num];
require($main_plot, "no such plot");
require($main_plot.owner == trigger.address, "you are not the owner");
var['user_main_plot_'||$main_plot.city||'_'||trigger.address] = trigger.data.main_plot_num;
}
if (trigger.data.info)
var['user_'||trigger.address] = trigger.data.info;
response['message'] = 'Edited user profile';
response['event'] = json_stringify({type: 'edit_user', address: trigger.address, info: trigger.data.info, main_plot_num: trigger.data.main_plot_num});
}"
}
]
},
{
"if": "{trigger.data.withdraw_fundraise AND trigger.data.amount AND trigger.address == $fundraise_recipient}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{trigger.address}",
"amount": "{trigger.data.amount}"
}
]
}
}
]
}
]
}
}
]