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Feat: Contract changes to include require over ebool #1

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10 changes: 10 additions & 0 deletions lib/Impl.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,16 @@ library Impl {
result = IFHEVMCoprocessor(fhevmCoprocessorAdd).fheDiv(lhs, rhs, scalarByte);
}

function req(uint256 lhs, bool scalar) internal pure {
bytes1 scalarByte;
if (scalar) {
scalarByte = 0x01;
} else {
scalarByte = 0x00;
}
result = IFHEVMCoprocessor(fhevmCoprocessorAdd).fheReq(lhs, scalarByte);
}

function rem(uint256 lhs, uint256 rhs) internal returns (uint256 result) {
bytes1 scalarByte = 0x01;
result = IFHEVMCoprocessor(fhevmCoprocessorAdd).fheRem(lhs, rhs, scalarByte);
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7 changes: 7 additions & 0 deletions lib/TFHE.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -945,6 +945,13 @@ library TFHE {
return euint4.wrap(Impl.div(euint4.unwrap(a), uint256(b), true));
}

function req(ebool a) internal returns (euint4) {
if (!isInitialized(a)) {
a = asEbool(0);
}
return ebool.wrap(Impl.req(ebool.unwrap(a), false));
}

// Evaluate rem(a, b) and return the result.
function rem(euint4 a, uint8 b) internal returns (euint4) {
if (!isInitialized(a)) {
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9 changes: 9 additions & 0 deletions lib/TFHEExecutor.sol
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Expand Up @@ -90,6 +90,15 @@ contract TFHEExecutor {
result = FhevmLib(address(EXT_TFHE_LIBRARY)).fheShr(lhs, rhs, scalarByte);
acl.allowTransient(result, msg.sender);
}
function fheReq(uint256 lhs, bytes1 scalarByte) pure {
require(acl.isAllowed(lhs, msg.sender));

if (scalarByte == 0x00) {
require(acl.isAllowed(rhs, msg.sender));
}

result = FhevmLib(address(EXT_TFHE_LIBRARY)).fheReq(lhs, scalarByte);
}
function fheRotl(uint256 lhs, uint256 rhs, bytes1 scalarByte) external returns (uint256 result) {
require(acl.isAllowed(lhs, msg.sender));

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