Added leading underscore to internal functions, renamed supportsInterfaces. (#1435)

pull/1440/head
Nicolás Venturo 6 years ago committed by GitHub
parent ff0c048ad9
commit 0231fac514
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GPG Key ID: 4AEE18F83AFDEB23
  1. 24
      contracts/introspection/ERC165Checker.sol
  2. 8
      contracts/mocks/ERC165CheckerMock.sol
  3. 28
      test/introspection/ERC165Checker.test.js

@ -20,15 +20,15 @@ library ERC165Checker {
* @param account The address of the contract to query for support of ERC165
* @return true if the contract at account implements ERC165
*/
function supportsERC165(address account)
function _supportsERC165(address account)
internal
view
returns (bool)
{
// Any contract that implements ERC165 must explicitly indicate support of
// InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid
return supportsERC165Interface(account, _InterfaceId_ERC165) &&
!supportsERC165Interface(account, _InterfaceId_Invalid);
return _supportsERC165Interface(account, _InterfaceId_ERC165) &&
!_supportsERC165Interface(account, _InterfaceId_Invalid);
}
/**
@ -39,14 +39,14 @@ library ERC165Checker {
* identifier interfaceId, false otherwise
* @dev Interface identification is specified in ERC-165.
*/
function supportsInterface(address account, bytes4 interfaceId)
function _supportsInterface(address account, bytes4 interfaceId)
internal
view
returns (bool)
{
// query support of both ERC165 as per the spec and support of _interfaceId
return supportsERC165(account) &&
supportsERC165Interface(account, interfaceId);
return _supportsERC165(account) &&
_supportsERC165Interface(account, interfaceId);
}
/**
@ -57,19 +57,19 @@ library ERC165Checker {
* interfaceIds list, false otherwise
* @dev Interface identification is specified in ERC-165.
*/
function supportsInterfaces(address account, bytes4[] interfaceIds)
function _supportsAllInterfaces(address account, bytes4[] interfaceIds)
internal
view
returns (bool)
{
// query support of ERC165 itself
if (!supportsERC165(account)) {
if (!_supportsERC165(account)) {
return false;
}
// query support of each interface in _interfaceIds
for (uint256 i = 0; i < interfaceIds.length; i++) {
if (!supportsERC165Interface(account, interfaceIds[i])) {
if (!_supportsERC165Interface(account, interfaceIds[i])) {
return false;
}
}
@ -89,14 +89,14 @@ library ERC165Checker {
* with the `supportsERC165` method in this library.
* Interface identification is specified in ERC-165.
*/
function supportsERC165Interface(address account, bytes4 interfaceId)
function _supportsERC165Interface(address account, bytes4 interfaceId)
private
view
returns (bool)
{
// success determines whether the staticcall succeeded and result determines
// whether the contract at account indicates support of _interfaceId
(bool success, bool result) = callERC165SupportsInterface(
(bool success, bool result) = _callERC165SupportsInterface(
account, interfaceId);
return (success && result);
@ -110,7 +110,7 @@ library ERC165Checker {
* @return result true if the STATICCALL succeeded and the contract at account
* indicates support of the interface with identifier interfaceId, false otherwise
*/
function callERC165SupportsInterface(
function _callERC165SupportsInterface(
address account,
bytes4 interfaceId
)

@ -10,7 +10,7 @@ contract ERC165CheckerMock {
view
returns (bool)
{
return account.supportsERC165();
return account._supportsERC165();
}
function supportsInterface(address account, bytes4 interfaceId)
@ -18,14 +18,14 @@ contract ERC165CheckerMock {
view
returns (bool)
{
return account.supportsInterface(interfaceId);
return account._supportsInterface(interfaceId);
}
function supportsInterfaces(address account, bytes4[] interfaceIds)
function supportsAllInterfaces(address account, bytes4[] interfaceIds)
public
view
returns (bool)
{
return account.supportsInterfaces(interfaceIds);
return account._supportsAllInterfaces(interfaceIds);
}
}

@ -32,8 +32,8 @@ contract('ERC165Checker', function () {
supported.should.equal(false);
});
it('does not support mock interface via supportsInterfaces', async function () {
const supported = await this.mock.supportsInterfaces(this.target.address, [DUMMY_ID]);
it('does not support mock interface via supportsAllInterfaces', async function () {
const supported = await this.mock.supportsAllInterfaces(this.target.address, [DUMMY_ID]);
supported.should.equal(false);
});
});
@ -53,8 +53,8 @@ contract('ERC165Checker', function () {
supported.should.equal(false);
});
it('does not support mock interface via supportsInterfaces', async function () {
const supported = await this.mock.supportsInterfaces(this.target.address, [DUMMY_ID]);
it('does not support mock interface via supportsAllInterfaces', async function () {
const supported = await this.mock.supportsAllInterfaces(this.target.address, [DUMMY_ID]);
supported.should.equal(false);
});
});
@ -74,8 +74,8 @@ contract('ERC165Checker', function () {
supported.should.equal(true);
});
it('supports mock interface via supportsInterfaces', async function () {
const supported = await this.mock.supportsInterfaces(this.target.address, [DUMMY_ID]);
it('supports mock interface via supportsAllInterfaces', async function () {
const supported = await this.mock.supportsAllInterfaces(this.target.address, [DUMMY_ID]);
supported.should.equal(true);
});
});
@ -98,22 +98,22 @@ contract('ERC165Checker', function () {
};
});
it('supports all interfaceIds via supportsInterfaces', async function () {
const supported = await this.mock.supportsInterfaces(this.target.address, this.supportedInterfaces);
it('supports all interfaceIds via supportsAllInterfaces', async function () {
const supported = await this.mock.supportsAllInterfaces(this.target.address, this.supportedInterfaces);
supported.should.equal(true);
});
it('supports none of the interfaces queried via supportsInterfaces', async function () {
it('supports none of the interfaces queried via supportsAllInterfaces', async function () {
const interfaceIdsToTest = [DUMMY_UNSUPPORTED_ID, DUMMY_UNSUPPORTED_ID_2];
const supported = await this.mock.supportsInterfaces(this.target.address, interfaceIdsToTest);
const supported = await this.mock.supportsAllInterfaces(this.target.address, interfaceIdsToTest);
supported.should.equal(false);
});
it('supports not all of the interfaces queried via supportsInterfaces', async function () {
it('supports not all of the interfaces queried via supportsAllInterfaces', async function () {
const interfaceIdsToTest = [...this.supportedInterfaces, DUMMY_UNSUPPORTED_ID];
const supported = await this.mock.supportsInterfaces(this.target.address, interfaceIdsToTest);
const supported = await this.mock.supportsAllInterfaces(this.target.address, interfaceIdsToTest);
supported.should.equal(false);
});
});
@ -129,8 +129,8 @@ contract('ERC165Checker', function () {
supported.should.equal(false);
});
it('does not support mock interface via supportsInterfaces', async function () {
const supported = await this.mock.supportsInterfaces(DUMMY_ACCOUNT, [DUMMY_ID]);
it('does not support mock interface via supportsAllInterfaces', async function () {
const supported = await this.mock.supportsAllInterfaces(DUMMY_ACCOUNT, [DUMMY_ID]);
supported.should.equal(false);
});
});

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