mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
71 lines
2.1 KiB
Solidity
71 lines
2.1 KiB
Solidity
contract C {
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bytes32 bhash;
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address coin;
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uint dif;
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uint prevrandao;
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uint glimit;
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uint number;
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uint tstamp;
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bytes mdata;
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address sender;
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bytes4 sig;
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uint value;
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uint gprice;
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address origin;
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function f() public payable {
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bhash = blockhash(12);
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coin = block.coinbase;
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dif = block.difficulty;
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prevrandao = block.prevrandao;
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glimit = block.gaslimit;
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number = block.number;
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tstamp = block.timestamp;
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mdata = msg.data;
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sender = msg.sender;
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sig = msg.sig;
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value = msg.value;
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gprice = tx.gasprice;
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origin = tx.origin;
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fi();
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assert(bhash == blockhash(12));
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assert(coin == block.coinbase);
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assert(dif == block.difficulty);
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assert(prevrandao == block.prevrandao);
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assert(glimit == block.gaslimit);
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assert(number == block.number);
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assert(tstamp == block.timestamp);
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assert(mdata.length == msg.data.length);
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assert(sender == msg.sender);
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assert(sig == msg.sig);
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assert(value == msg.value);
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assert(gprice == tx.gasprice);
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assert(origin == tx.origin);
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}
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function fi() internal view {
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assert(bhash == blockhash(12));
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assert(coin == block.coinbase);
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assert(dif == block.difficulty);
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assert(prevrandao == block.prevrandao);
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assert(glimit == block.gaslimit);
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assert(number == block.number);
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assert(tstamp == block.timestamp);
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assert(mdata.length == msg.data.length);
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assert(sender == msg.sender);
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assert(sig == msg.sig);
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assert(value == msg.value);
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assert(gprice == tx.gasprice);
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assert(origin == tx.origin);
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}
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}
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// ====
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// SMTEngine: all
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// ----
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// Warning 8417: (293-309): Since the VM version paris, "difficulty" was replaced by "prevrandao", which now returns a random number based on the beacon chain.
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// Warning 8417: (645-661): Since the VM version paris, "difficulty" was replaced by "prevrandao", which now returns a random number based on the beacon chain.
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// Warning 8417: (1127-1143): Since the VM version paris, "difficulty" was replaced by "prevrandao", which now returns a random number based on the beacon chain.
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// Info 1391: CHC: 26 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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