mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
53ec9684bd
- new methods for liteserver/liteclient - added ADNL/DHT client-only work mode - fixed crash in ADNL
71 lines
2.4 KiB
Text
71 lines
2.4 KiB
Text
;; Heavy-duty wallet for mass transfers (e.g., for cryptocurrency exchanges)
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;; accepts orders for up to 254 internal messages (transfers) in one external message
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;; this version does not use seqno for replay protection; instead, it remembers all recent query_ids
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;; in this way several external messages with different query_id can be sent in parallel
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() recv_internal(slice in_msg) impure {
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;; do nothing for internal messages
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}
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() recv_external(slice in_msg) impure {
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var signature = in_msg~load_bits(512);
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var cs = in_msg;
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var (subwallet_id, query_id) = (cs~load_uint(32), cs~load_uint(64));
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var bound = (now() << 32);
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throw_if(35, query_id < bound);
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var ds = get_data().begin_parse();
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var (stored_subwallet, last_cleaned, public_key, old_queries) = (ds~load_uint(32), ds~load_uint(64), ds~load_uint(256), ds~load_dict());
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ds.end_parse();
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(_, var found?) = old_queries.udict_get?(64, query_id);
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throw_if(32, found?);
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throw_unless(34, subwallet_id == stored_subwallet);
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throw_unless(35, check_signature(slice_hash(in_msg), signature, public_key));
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var dict = cs~load_dict();
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cs.end_parse();
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accept_message();
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int i = -1;
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do {
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(i, var cs, var f) = dict.idict_get_next?(16, i);
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if (f) {
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var mode = cs~load_uint(8);
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send_raw_message(cs~load_ref(), mode);
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}
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} until (~ f);
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bound -= (64 << 32); ;; clean up records expired more than 64 seconds ago
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old_queries~udict_set_builder(64, query_id, begin_cell());
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var queries = old_queries;
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do {
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var (old_queries', i, _, f) = old_queries.udict_delete_get_min(64);
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f~touch();
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if (f) {
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f = (i < bound);
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}
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if (f) {
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old_queries = old_queries';
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last_cleaned = i;
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}
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} until (~ f);
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set_data(begin_cell()
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.store_uint(stored_subwallet, 32)
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.store_uint(last_cleaned, 64)
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.store_uint(public_key, 256)
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.store_dict(old_queries)
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.end_cell());
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}
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;; Get methods
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;; returns -1 for processed queries, 0 for unprocessed, 1 for unknown (forgotten)
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int processed?(int query_id) method_id {
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var ds = get_data().begin_parse();
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var (_, last_cleaned, _, old_queries) = (ds~load_uint(32), ds~load_uint(64), ds~load_uint(256), ds~load_dict());
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ds.end_parse();
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(_, var found) = old_queries.udict_get?(64, query_id);
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return found ? true : - (query_id <= last_cleaned);
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}
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int get_public_key() method_id {
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var cs = get_data().begin_parse();
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cs~load_uint(32 + 64);
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return cs.preload_uint(256);
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}
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