mirror of
https://github.com/danog/ton.git
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64 lines
2.3 KiB
Plaintext
64 lines
2.3 KiB
Plaintext
int now() asm "NOW";
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int cell_hash(cell c)
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asm "HASHCU";
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int slice_hash(slice s)
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asm "HASHSU";
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int check_signature(int hash, slice signature, int public_key)
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asm "CHKSIGNU";
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;; () throw_if(int excno, int cond) impure
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;; asm "THROWARGIF";
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cell get_data() asm "c4 PUSH";
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() set_data(cell c) impure asm "c4 POP";
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() accept_message() impure asm "ACCEPT";
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slice begin_parse(cell c) asm "CTOS";
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() end_parse(slice s) impure asm "ENDS";
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(slice, cell) load_ref(slice s) asm( -> 1 0) "LDREF";
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(slice, int) zload_int(slice s, int len) asm(s len -> 1 0) "LDIX";
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(slice, int) zload_uint(slice s, int len) asm( -> 1 0) "LDUX";
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int zpreload_int(slice s, int len) asm "PLDIX";
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int zpreload_uint(slice s, int len) asm "PLDUX";
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(slice, slice) load_bits(slice s, int len) asm(s len -> 1 0) "LDSLICEX";
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slice preload_bits(slice s, int len) asm "PLDSLICEX";
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cell set_idict_ref(cell dict, int key_len, int index, cell value) asm(value index dict key_len) "DICTISETREF";
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builder begin_cell() asm "NEWC";
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builder store_ref(builder b, cell c) asm(c b) "STREF";
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builder zstore_uint(builder b, int x, int len) asm(x b len) "STUX";
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builder zstore_int(builder b, int x, int len) asm(x b len) "STIX";
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cell end_cell(builder b) asm "ENDC";
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;; Simple configuration smart contract
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() recv_internal(cell in_msg) impure {
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;; do nothing for internal messages
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}
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() recv_external(cell in_msg) impure {
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var (cs0, signature) = load_bits(begin_parse(in_msg), 512);
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var (cs, msg_seqno) = zload_uint(cs0, 32);
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(cs, var valid_until) = zload_uint(cs, 32);
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throw_if(35, valid_until < now());
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var (cs2, cfg_dict) = load_ref(begin_parse(get_data()));
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(cs2, var stored_seqno) = zload_uint(cs2, 32);
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(cs2, var public_key) = zload_uint(cs2, 256);
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end_parse(cs2);
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throw_unless(33, msg_seqno == stored_seqno);
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throw_unless(34, check_signature(slice_hash(cs0), signature, public_key));
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accept_message();
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(cs, var param_index) = zload_uint(cs, 32);
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(cs, var param_value) = load_ref(cs);
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end_parse(cs);
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;; cfg_dict = set_idict_ref(cfg_dict, 32, param_index, param_value);
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;; var cb = begin_cell();
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;; cb = store_ref(cb, cfg_dict);
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var cb = store_ref(begin_cell(), set_idict_ref(cfg_dict, 32, param_index, param_value));
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cb = zstore_uint(cb, stored_seqno + 1, 32);
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cb = zstore_uint(cb, public_key, 256);
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set_data(end_cell(cb));
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}
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