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Implement typechecked abi.encodeCall()

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Marenz
2021-12-16 17:35:58 +01:00
parent 6363ff31db
commit 7a96953e78
21 changed files with 538 additions and 26 deletions
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test/libsolidity/semanticTests/abiencodedecode/abi_encode_call_is_consistent.sol
+63
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pragma abicoder v2;
contract C {
bool sideEffectRan = false;
function(uint256, string memory) external fPointer;
function fExternal(uint256 p, string memory t) external {}
string xstor;
function getExternalFunctionPointer() public returns (function(uint256, string memory) external) {
sideEffectRan = true;
return this.fExternal;
}
function fSignatureFromLiteral() public pure returns (bytes memory) {
return abi.encodeWithSignature("fExternal(uint256,string)", 1, "123");
}
function fSignatureFromLiteralCall() public view returns (bytes memory) {
return abi.encodeCall(this.fExternal, (1, "123"));
}
function fSignatureFromMemory() public pure returns (bytes memory) {
string memory x = "fExternal(uint256,string)";
return abi.encodeWithSignature(x, 1, "123");
}
function fSignatureFromMemoryCall() public view returns (bytes memory) {
return abi.encodeCall(this.fExternal, (1,"123"));
}
function fSignatureFromMemorys() public returns (bytes memory) {
xstor = "fExternal(uint256,string)";
return abi.encodeWithSignature(xstor, 1, "123");
}
function fPointerCall() public returns(bytes memory) {
fPointer = this.fExternal;
return abi.encodeCall(fPointer, (1, "123"));
}
function fLocalPointerCall() public returns(bytes memory) {
function(uint256, string memory) external localFunctionPointer = this.fExternal;
return abi.encodeCall(localFunctionPointer, (1, "123"));
}
function fReturnedFunctionPointer() public returns (bytes memory) {
return abi.encodeCall(getExternalFunctionPointer(), (1, "123"));
}
function assertConsistentSelectors() public {
assert(keccak256(fSignatureFromLiteral()) == keccak256(fSignatureFromLiteralCall()));
assert(keccak256(fSignatureFromMemory()) == keccak256(fSignatureFromMemoryCall()));
assert(keccak256(fSignatureFromMemoryCall()) == keccak256(fSignatureFromMemorys()));
assert(keccak256(fPointerCall()) == keccak256(fSignatureFromLiteral()));
assert(keccak256(fLocalPointerCall()) == keccak256(fSignatureFromLiteral()));
assert(keccak256(fReturnedFunctionPointer()) == keccak256(fSignatureFromLiteral()));
}
}
// ====
// compileViaYul: also
// ----
// assertConsistentSelectors() ->
// fSignatureFromLiteral() -> 0x20, 0x84, 23450202028776381066253055403048136312616272755117076566855971503345107992576, 26959946667150639794667015087019630673637144422540572481103610249216, 1725436586697640946858688965569256363112777243042596638790631055949824, 86060793054017993816230018372407419485142305772921726565498526629888, 0
// fSignatureFromLiteralCall() -> 0x20, 0x84, 23450202028776381066253055403048136312616272755117076566855971503345107992576, 26959946667150639794667015087019630673637144422540572481103610249216, 1725436586697640946858688965569256363112777243042596638790631055949824, 86060793054017993816230018372407419485142305772921726565498526629888, 0
// fSignatureFromMemory() -> 0x20, 0x84, 23450202028776381066253055403048136312616272755117076566855971503345107992576, 26959946667150639794667015087019630673637144422540572481103610249216, 1725436586697640946858688965569256363112777243042596638790631055949824, 86060793054017993816230018372407419485142305772921726565498526629888, 0
// fSignatureFromMemoryCall() -> 0x20, 0x84, 23450202028776381066253055403048136312616272755117076566855971503345107992576, 26959946667150639794667015087019630673637144422540572481103610249216, 1725436586697640946858688965569256363112777243042596638790631055949824, 86060793054017993816230018372407419485142305772921726565498526629888, 0
// fSignatureFromMemorys() -> 0x20, 0x84, 23450202028776381066253055403048136312616272755117076566855971503345107992576, 26959946667150639794667015087019630673637144422540572481103610249216, 1725436586697640946858688965569256363112777243042596638790631055949824, 86060793054017993816230018372407419485142305772921726565498526629888, 0
// fPointerCall() -> 0x20, 0x84, 23450202028776381066253055403048136312616272755117076566855971503345107992576, 26959946667150639794667015087019630673637144422540572481103610249216, 1725436586697640946858688965569256363112777243042596638790631055949824, 86060793054017993816230018372407419485142305772921726565498526629888, 0
// fLocalPointerCall() -> 0x20, 0x84, 23450202028776381066253055403048136312616272755117076566855971503345107992576, 26959946667150639794667015087019630673637144422540572481103610249216, 1725436586697640946858688965569256363112777243042596638790631055949824, 86060793054017993816230018372407419485142305772921726565498526629888, 0
// fReturnedFunctionPointer() -> 0x20, 0x84, 23450202028776381066253055403048136312616272755117076566855971503345107992576, 26959946667150639794667015087019630673637144422540572481103610249216, 1725436586697640946858688965569256363112777243042596638790631055949824, 86060793054017993816230018372407419485142305772921726565498526629888, 0