mirror of
https://github.com/danog/ton.git
synced 2024-11-30 04:29:19 +01:00
66 lines
2.3 KiB
Plaintext
66 lines
2.3 KiB
Plaintext
;; Heavy-duty wallet for mass transfers (e.g., for cryptocurrency exchanges)
|
|
;; accepts orders for up to 254 internal messages (transfers) in one external message
|
|
;; this version does not use seqno for replay protection; instead, it remembers all recent query_ids
|
|
;; in this way several external messages with different query_id can be sent in parallel
|
|
|
|
() recv_internal(slice in_msg) impure {
|
|
;; do nothing for internal messages
|
|
}
|
|
|
|
() recv_external(slice in_msg) impure {
|
|
var signature = in_msg~load_bits(512);
|
|
var cs = in_msg;
|
|
var (subwallet_id, query_id) = (cs~load_uint(32), cs~load_uint(64));
|
|
var bound = (now() << 32);
|
|
throw_if(35, query_id < bound);
|
|
var ds = get_data().begin_parse();
|
|
var (stored_subwallet, last_cleaned, public_key, old_queries) = (ds~load_uint(32), ds~load_uint(64), ds~load_uint(256), ds~load_dict());
|
|
ds.end_parse();
|
|
(_, var found?) = old_queries.udict_get?(64, query_id);
|
|
throw_if(32, found?);
|
|
throw_unless(34, subwallet_id == stored_subwallet);
|
|
throw_unless(35, check_signature(slice_hash(in_msg), signature, public_key));
|
|
var dict = cs~load_dict();
|
|
cs.end_parse();
|
|
accept_message();
|
|
int i = -1;
|
|
do {
|
|
(i, var cs, var f) = dict.idict_get_next?(16, i);
|
|
if (f) {
|
|
var mode = cs~load_uint(8);
|
|
send_raw_message(cs~load_ref(), mode);
|
|
}
|
|
} until (~ f);
|
|
bound -= (64 << 32); ;; clean up records expired more than 64 seconds ago
|
|
old_queries~udict_set_builder(64, query_id, begin_cell());
|
|
var queries = old_queries;
|
|
do {
|
|
var (old_queries', i, _, f) = old_queries.udict_delete_get_min(64);
|
|
f~touch();
|
|
if (f) {
|
|
f = (i < bound);
|
|
}
|
|
if (f) {
|
|
old_queries = old_queries';
|
|
last_cleaned = i;
|
|
}
|
|
} until (~ f);
|
|
set_data(begin_cell()
|
|
.store_uint(stored_subwallet, 32)
|
|
.store_uint(last_cleaned, 64)
|
|
.store_uint(public_key, 256)
|
|
.store_dict(old_queries)
|
|
.end_cell());
|
|
}
|
|
|
|
;; Get methods
|
|
|
|
;; returns -1 for processed queries, 0 for unprocessed, 1 for unknown (forgotten)
|
|
int processed?(int query_id) method_id {
|
|
var ds = get_data().begin_parse();
|
|
var (_, last_cleaned, _, old_queries) = (ds~load_uint(32), ds~load_uint(64), ds~load_uint(256), ds~load_dict());
|
|
ds.end_parse();
|
|
(_, var found) = old_queries.udict_get?(64, query_id);
|
|
return found ? true : - (query_id <= last_cleaned);
|
|
}
|