mirror of
https://github.com/danog/ton.git
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42 lines
1.3 KiB
Plaintext
42 lines
1.3 KiB
Plaintext
;; 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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() 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, valid_until, msg_seqno) = (cs~load_uint(32), cs~load_uint(32), cs~load_uint(32));
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throw_if(35, valid_until <= now());
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var ds = get_data().begin_parse();
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var (stored_seqno, stored_subwallet, public_key) = (ds~load_uint(32), ds~load_uint(32), ds~load_uint(256));
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ds.end_parse();
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throw_unless(33, msg_seqno == stored_seqno);
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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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set_data(begin_cell()
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.store_uint(stored_seqno + 1, 32)
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.store_uint(stored_subwallet, 32)
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.store_uint(public_key, 256)
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.end_cell());
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}
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;; Get methods
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int seqno() method_id {
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return get_data().begin_parse().preload_uint(32);
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}
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