contracts.dns.nft-item.fc Maven / Gradle / Ivy
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Build and manipulate TON smart contracts in easy way.
;; Domain smart contract (implement NFT item interface)
int min_tons_for_storage() asm "1000000000 PUSHINT"; ;; 1 TON
const auction_start_duration = 604800; ;; 1 week = 60 * 60 * 24 * 7; in testnet 5 min
const auction_end_duration = 3600; ;; 1 hour = 60 * 60; in testnet 1 min
const auction_prolongation = 3600; ;; 1 hour = 60 * 60; in testnet 1 min
;; MsgAddressInt max_bid_address
;; Coins max_bid_amount
;; int auction_end_time
(slice, int, int) unpack_auction(cell auction) {
if (cell_null?(auction)) {
return (null(), 0, 0);
} else {
slice ds = auction.begin_parse();
return (ds~load_msg_addr(), ds~load_coins(), ds~load_uint(64));
}
}
cell pack_auction(slice max_bid_address, int max_bid_amount, int auction_end_time) {
return begin_cell()
.store_slice(max_bid_address)
.store_coins(max_bid_amount)
.store_uint(auction_end_time, 64)
.end_cell();
}
;;
;; Storage
;;
;; uint256 index
;; MsgAddressInt collection_address
;; MsgAddressInt owner_address
;; cell content
;; cell domain - e.g contains "alice" (without ending \0) for "alice.ton" domain
;; cell auction - auction info
;; int last_fill_up_time
(int, int, slice, slice, cell, cell, cell, int) load_data() {
slice ds = get_data().begin_parse();
var (index, collection_address) = (ds~load_uint(256), ds~load_msg_addr());
if (ds.slice_bits() > 0) {
return (-1, index, collection_address, ds~load_msg_addr(), ds~load_ref(), ds~load_ref(), ds~load_dict(), ds~load_uint(64));
} else {
return (0, index, collection_address, null(), null(), null(), null(), 0); ;; nft not initialized yet
}
}
() store_data(int index, slice collection_address, slice owner_address, cell content, cell domain, cell auction, int last_fill_up_time) impure {
set_data(
begin_cell()
.store_uint(index, 256)
.store_slice(collection_address)
.store_slice(owner_address)
.store_ref(content)
.store_ref(domain)
.store_dict(auction)
.store_uint(last_fill_up_time, 64)
.end_cell()
);
}
() send_msg(slice to_address, int amount, int op, int query_id, builder payload, int send_mode) impure inline {
var msg = begin_cell()
.store_uint(0x10, 6) ;; nobounce - int_msg_info$0 ihr_disabled:Bool bounce:Bool bounced:Bool src:MsgAddress -> 010000
.store_slice(to_address)
.store_coins(amount)
.store_uint(0, 1 + 4 + 4 + 64 + 32 + 1 + 1)
.store_uint(op, 32)
.store_uint(query_id, 64);
if (~ builder_null?(payload)) {
msg = msg.store_builder(payload);
}
send_raw_message(msg.end_cell(), send_mode);
}
() transfer_ownership(int my_balance, int index, slice collection_address, slice owner_address, cell content, slice sender_address, int query_id, slice in_msg_body, int fwd_fees, cell domain, cell auction) impure inline {
slice new_owner_address = in_msg_body~load_msg_addr();
force_chain(new_owner_address);
slice response_destination = in_msg_body~load_msg_addr();
in_msg_body~load_int(1); ;; this nft don't use custom_payload
int forward_amount = in_msg_body~load_coins();
int rest_amount = my_balance - min_tons_for_storage();
if (forward_amount) {
rest_amount -= (forward_amount + fwd_fees);
}
int need_response = response_destination.preload_uint(2) != 0; ;; if NOT addr_none: 00
if (need_response) {
rest_amount -= fwd_fees;
}
throw_unless(402, rest_amount >= 0); ;; base nft spends fixed amount of gas, will not check for response
if (forward_amount) {
send_msg(new_owner_address, forward_amount, op::ownership_assigned(), query_id, begin_cell().store_slice(owner_address).store_slice(in_msg_body), 1); ;; paying fees, revert on errors
}
if (need_response) {
force_chain(response_destination);
send_msg(response_destination, rest_amount, op::excesses(), query_id, null(), 1); ;; paying fees, revert on errors
}
store_data(index, collection_address, new_owner_address, content, domain, auction, now());
}
() recv_internal(int msg_value, cell in_msg_full, slice in_msg_body) impure {
int my_balance = pair_first(get_balance());
slice cs = in_msg_full.begin_parse();
int flags = cs~load_uint(4);
if (flags & 1) { ;; ignore all bounced messages
return ();
}
slice sender_address = cs~load_msg_addr();
cs~load_msg_addr(); ;; skip dst
cs~load_coins(); ;; skip value
cs~skip_bits(1); ;; skip extracurrency collection
cs~load_coins(); ;; skip ihr_fee
int fwd_fee = cs~load_coins(); ;; we use message fwd_fee for estimation of forward_payload costs
(int init?, int index, slice collection_address, slice owner_address, cell content, cell domain, cell auction, int last_fill_up_time) = load_data();
if (~ init?) {
throw_unless(405, equal_slices(collection_address, sender_address));
slice from_address = in_msg_body~load_msg_addr();
cell domain = in_msg_body~load_ref();
cell content = begin_cell().store_uint(0, 8).store_dict(new_dict()).end_cell();
int seconds = now() - auction_start_time;
int months = seconds / one_month;
if (months > 12) {
months = 12;
}
int duration = auction_start_duration - (auction_start_duration - auction_end_duration) * months / 12;
int auction_end_time = now() + duration;
store_data(index, collection_address, zero_address(), content, domain, pack_auction(from_address, msg_value, auction_end_time), now());
return ();
}
if (init? & equal_slices(collection_address, sender_address)) {
slice from_address = in_msg_body~load_msg_addr();
send_msg(from_address, 0, 0, cur_lt(), null(), 64); ;; carry all the remaining value of the inbound message
return ();
}
int op = in_msg_body.slice_empty?() ? 0 : in_msg_body~load_uint(32);
(slice max_bid_address, int max_bid_amount, int auction_end_time) = unpack_auction(auction);
int auction_complete = now() > auction_end_time;
if (op == 0) {
if (auction_complete) {
throw_unless(406, equal_slices(sender_address, owner_address)); ;; only owner can fill-up balance, prevent coins lost right after the auction
;; if owner send bid right after auction he can restore it by transfer resonse message
store_data(index, collection_address, owner_address, content, domain, auction, now());
} else {
throw_unless(407, msg_value >= muldiv(max_bid_amount, 105, 100)); ;; 5% greater then previous bid
int amount_to_send = (max_bid_amount > my_balance - min_tons_for_storage()) ? (my_balance - min_tons_for_storage()) : max_bid_amount;
if (amount_to_send > 0) {
send_msg(max_bid_address, amount_to_send, op::outbid_notification, cur_lt(), null(), 1); ;; pay transfer fees separately
}
max_bid_amount = msg_value;
max_bid_address = sender_address;
int delta_time = auction_prolongation - (auction_end_time - now());
if (delta_time > 0) {
auction_end_time += delta_time;
}
store_data(index, collection_address, owner_address, content, domain, pack_auction(max_bid_address, max_bid_amount, auction_end_time), now());
}
return ();
}
int query_id = in_msg_body~load_uint(64);
if ((auction_complete) & (~ cell_null?(auction))) { ;; take domain after auction
int balance_without_msg = my_balance - msg_value;
int amount_to_send = (max_bid_amount > balance_without_msg - min_tons_for_storage()) ? (balance_without_msg - min_tons_for_storage()) : max_bid_amount;
if (amount_to_send > 0) {
send_msg(collection_address, amount_to_send, op::fill_up, query_id, null(), 2); ;; ignore errors
my_balance -= amount_to_send;
}
owner_address = max_bid_address;
auction = null();
store_data(index, collection_address, owner_address, content, domain, auction, last_fill_up_time);
}
if (op == op::transfer()) {
throw_unless(401, equal_slices(sender_address, owner_address));
transfer_ownership(my_balance, index, collection_address, owner_address, content, sender_address, query_id, in_msg_body, fwd_fee, domain, auction);
return ();
}
if (op == op::edit_content()) { ;; owner can change content and dns records
throw_unless(410, equal_slices(sender_address, owner_address));
store_data(index, collection_address, owner_address, in_msg_body~load_ref(), domain, auction, now());
return ();
}
if (op == op::change_dns_record) { ;; change dns record
throw_unless(411, equal_slices(sender_address, owner_address));
int key = in_msg_body~load_uint(256);
int has_value = in_msg_body.slice_refs() > 0;
slice cs = content.begin_parse();
throw_unless(412, cs~load_uint(8) == 0); ;; data onchain tag
cell keyvalue_map = cs~load_dict();
if (has_value) {
cell value = in_msg_body~load_ref();
keyvalue_map~udict_set_ref(256, key, value);
} else {
keyvalue_map~udict_delete?(256, key);
}
content = begin_cell().store_uint(0, 8).store_dict(keyvalue_map).end_cell();
store_data(index, collection_address, owner_address, content, domain, auction, now());
return ();
}
if (op == op::process_governance_decision) { ;; governance
throw_unless(413, cell_null?(auction));
slice cs = config_param(dns_config_id).begin_parse();
cell config = cs~load_dict();
(slice config_value, int found) = config.udict_get?(256, index);
throw_unless(415, found);
int config_op = config_value~load_uint(8);
throw_unless(416, (config_op == 0) | (config_op == 1));
if (config_op == 0) { ;; transfer
transfer_ownership(my_balance, index, collection_address, owner_address, content, sender_address, query_id, config_value, fwd_fee, domain, auction);
}
if (config_op == 1) { ;; destroy
send_msg(collection_address, 0, op::fill_up, query_id, null(), 128 + 32); ;; carry all the remaining balance + destroy
}
return ();
}
if (op == op::dns_balance_release) { ;; release domain
throw_unless(414, (now() - last_fill_up_time > one_year) & (cell_null?(auction)));
int min_price = get_min_price(domain.begin_parse().slice_bits(), now());
throw_unless(407, msg_value >= min_price);
int balance_without_msg = my_balance - msg_value;
int amount_to_send = balance_without_msg - min_tons_for_storage();
if (amount_to_send > 0) {
send_msg(owner_address, amount_to_send, op::dns_balance_release, query_id, null(), 2); ;; ignore errors
}
max_bid_amount = msg_value;
max_bid_address = sender_address;
auction_end_time = now() + auction_start_duration; ;; always 1 week
owner_address = zero_address();
auction = pack_auction(max_bid_address, max_bid_amount, auction_end_time);
store_data(index, collection_address, owner_address, content, domain, auction, now());
return ();
}
if (op == op::get_static_data()) {
send_msg(sender_address, 0, op::report_static_data(), query_id, begin_cell().store_uint(index, 256).store_slice(collection_address), 64); ;; carry all the remaining value of the inbound message
return ();
}
throw(0xffff);
}
;;
;; GET Methods
;;
(int, int, slice, slice, cell) get_nft_data() method_id {
(int init?, int index, slice collection_address, slice owner_address, cell content, cell domain, cell auction, int last_fill_up_time) = load_data();
return (init?, index, collection_address, owner_address, content);
}
slice get_editor() method_id {
(int init?, int index, slice collection_address, slice owner_address, cell content, cell domain, cell auction, int last_fill_up_time) = load_data();
return owner_address;
}
slice get_domain() method_id {
(int init?, int index, slice collection_address, slice owner_address, cell content, cell domain, cell auction, int last_fill_up_time) = load_data();
return domain.begin_parse();
}
(slice, int, int) get_auction_info() method_id {
(int init?, int index, slice collection_address, slice owner_address, cell content, cell domain, cell auction, int last_fill_up_time) = load_data();
return unpack_auction(auction);
}
int get_last_fill_up_time() method_id {
(int init?, int index, slice collection_address, slice owner_address, cell content, cell domain, cell auction, int last_fill_up_time) = load_data();
return last_fill_up_time;
}
(int, cell) dnsresolve(slice subdomain, int category) method_id {
int subdomain_bits = slice_bits(subdomain);
throw_unless(70, mod(subdomain_bits, 8) == 0);
(int init?, int index, slice collection_address, slice owner_address, cell content, cell my_domain_cell, cell auction, int last_fill_up_time) = load_data();
slice cs = content.begin_parse();
throw_unless(412, cs~load_uint(8) == 0); ;; data onchain tag
cell keyvalue_map = cs~load_dict();
int starts_with_zero_byte = subdomain.preload_int(8) == 0;
throw_unless(413, starts_with_zero_byte);
if (subdomain_bits > 8) { ;; more than "." requested
category = "dns_next_resolver"H;
}
if (category == 0) { ;; all categories are requested
return (8, keyvalue_map);
}
(cell value, int found) = keyvalue_map.udict_get_ref?(256, category);
return (8, value);
}