mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
31 lines
896 B
Solidity
31 lines
896 B
Solidity
contract receiver {
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uint public received;
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function recv(uint x) public { received += x + 1; }
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fallback() external { received = 0x80; }
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}
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contract sender {
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constructor() { rec = new receiver(); }
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fallback() external { savedData1 = savedData2 = msg.data; }
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function forward(bool selector) public returns (bool) {
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if (selector) { address(rec).call(savedData1); delete savedData1; }
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else { address(rec).call(savedData2); delete savedData2; }
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return true;
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}
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function val() public returns (uint) { return rec.received(); }
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receiver rec;
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bytes savedData1;
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bytes savedData2;
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}
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// ----
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// (): 7 ->
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// gas irOptimized: 110831
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// gas legacy: 111388
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// gas legacyOptimized: 111065
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// val() -> 0
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// forward(bool): true -> true
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// val() -> 0x80
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// forward(bool): false -> true
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// val() -> 0x80
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// forward(bool): true -> true
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// val() -> 0x80
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