# License

**Inherits:** ILicense, AccessControlInternal, EIP712

## State Variables

### SIGN\_LICENSE\_TYPEHASH

```solidity
bytes32 private constant SIGN_LICENSE_TYPEHASH = keccak256("SignLicense(string licenseURI,bytes32 contentURIHash)");
```

## Functions

### signLicense

User

```solidity
function signLicense(bytes calldata signature) external override;
```

### revokeCurrentSignature

Admin

```solidity
function revokeCurrentSignature(address account) external onlyRole(AccessControlStorage.DEFAULT_ADMIN_ROLE);
```

### setLicenseURI

```solidity
function setLicenseURI(string memory uri, bytes32 contentHash)
    external
    onlyRole(AccessControlStorage.DEFAULT_ADMIN_ROLE);
```

### licenseVersion

```solidity
function licenseVersion() public view override returns (uint256);
```

### licenseURIOf

```solidity
function licenseURIOf(uint256 version) public view override returns (string memory);
```

### licenseURI

```solidity
function licenseURI() external view override returns (string memory);
```

### contentURIHash

```solidity
function contentURIHash() external view override returns (bytes32);
```

### hasSignedCurrentLicense

```solidity
function hasSignedCurrentLicense(address account) external view override returns (bool);
```

### \_buildDigest

```solidity
function _buildDigest() internal view virtual returns (bytes32);
```

### \_domainNameAndVersion

```solidity
function _domainNameAndVersion() internal view override returns (string memory name, string memory version);
```

### \_domainNameAndVersionMayChange

```solidity
function _domainNameAndVersionMayChange() internal pure override returns (bool result);
```

### \_setLicenseURI

```solidity
function _setLicenseURI(string memory uri, bytes32 contentHash) internal;
```


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