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https://github.com/ton-blockchain/ton
synced 2025-02-15 04:32:21 +00:00
In stdlib, all existing pure functions are asm-implemented. But since we introduced a `pure` keyword applicable to user-defined functions, we need to check that they won't have any side effects (exceptions, globals modification, etc.)
47 lines
893 B
Text
47 lines
893 B
Text
cell get_data() pure asm "c4 PUSH";
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slice begin_parse(cell c) pure asm "CTOS";
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builder begin_cell() pure asm "NEWC";
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cell end_cell(builder b) pure asm "ENDC";
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() set_data(cell c) asm "c4 POP";
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int f_pure2() pure;
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int f_pure1() pure {
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return f_pure2();
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}
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int f_pure2() pure {
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return 2;
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}
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(int, int) get_contract_data() pure {
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cell c = get_data();
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slice cs = c.begin_parse();
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cs~load_bits(32);
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int value = cs~load_uint(16);
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return (1, value);
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}
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() save_contract_data(int value) {
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builder b = begin_cell().store_int(1, 32).store_uint(value, 16);
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set_data(b.end_cell());
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}
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int test1() pure method_id(101) {
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return f_pure1();
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}
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int test2(int value) method_id(102) {
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save_contract_data(value);
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(_, var restored) = get_contract_data();
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return restored;
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}
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() main() { return (); }
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{-
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TESTCASE | 101 | | 2
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TESTCASE | 102 | 44 | 44
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-}
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