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59 lines
2.1 KiB
Plaintext
59 lines
2.1 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) load_int(slice s, int len) asm(s len -> 1 0) "LDIX";
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;; (slice, int) load_uint(slice s, int len) asm( -> 1 0) "LDUX";
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;; int .preload_int(slice s, int len) asm "PLDIX";
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;; int .preload_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 .store_uint(builder b, int x, int len) asm(x b len) "STUX";
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;;builder .store_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) = load_uint(cs0, 32);
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(cs, var valid_until) = load_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) = load_uint(cs2, 32);
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(cs2, var public_key) = load_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) = load_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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set_data(begin_cell().store_ref(cfg_dict.set_idict_ref(32, param_index, param_value))
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.store_uint(stored_seqno + 1, 32).store_uint(public_key, 256).end_cell());
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}
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