mirror of
https://github.com/danog/ton.git
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63 lines
2.2 KiB
Plaintext
63 lines
2.2 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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(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 cs = begin_parse(in_msg);
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var signature = cs~load_bits(512);
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var cs0 = cs;
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int msg_seqno = cs~load_uint(32);
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var valid_until = cs~load_uint(32);
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throw_if(35, valid_until < now());
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var cs2 = begin_parse(get_data());
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var cfg_dict = cs2~load_ref();
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var stored_seqno = cs2~load_uint(32);
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var public_key = cs2~load_uint(256);
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cs2.end_parse();
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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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var param_index = cs~load_uint(32);
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var param_value = cs~load_ref();
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cs.end_parse();
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cfg_dict~set_idict_ref(32, param_index, param_value);
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set_data(begin_cell().store_ref(cfg_dict).store_uint(stored_seqno + 1, 32).store_uint(public_key, 256).end_cell());
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}
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