Update writer, registry, expire, improve comments

doc/texinfo/accountsindex.sol.texi

@@ -1,12 +1,13 @@
 @subsection Accounts Index
 
-Typically used for access control lists.
+Append-only list of addresses. Typically used for access control lists.
 
 Addresses may be @emph{added}, @emph{removed}, aswell as @emph{deactivated} and @emph{activated}. Deactivated accounts still count towards the @code{entryCount}.
 
 The @code{entry} method is used to iterate the account list. The order of which accounts are returned is not guaranteed. Any returned value matching @code{address(0x00)} should be skipped, and not counted towards @code{entryCount}.
 
-Also records time when account was added.
+May optionally record time when account was added.
+
 
 @table @dfn
 @item ERC165 Interface identifier
@@ -14,5 +15,22 @@ Also records time when account was added.
 @item Solidity interface definition
 @include ../../build/contract_AccountsIndex.texi
 @item Reference implementation
-@uref{git://holbrook.no/eth-accounts-index.git,}
+@uref{git://holbrook.no/eth-accounts-index.git,} (v0.5.1)
+@end table
+
+
+@subsection Accounts Index Mutable
+
+Extends the functionality of @code{Accounts Index} to allow changes to the address list.
+
+Addresses may be @emph{added}, @emph{removed}, aswell as @emph{deactivated} and @emph{activated}. Deactivated accounts still count towards the @code{entryCount}.
+
+
+@table @dfn
+@item ERC165 Interface identifier
+@include ../../build/AccountsIndexMutable.interface
+@item Solidity interface definition
+@include ../../build/contract_AccountsIndexMutable.texi
+@item Reference implementation
+@uref{git://holbrook.no/eth-accounts-index.git,} (v0.5.1)
 @end table

doc/texinfo/overview.texi

@@ -24,11 +24,16 @@ The following well-known solidity interfaces are used directly.
 @uref{https://eips.ethereum.org/EIPS/eip-173, ERC173 - Contract Ownership Standard}
 @item
 @uref{https://eips.ethereum.org/EIPS/eip-721, ERC721 - Non-Fungible Token Standard}
+@item
+@uref{https://eips.ethereum.org/EIPS/eip-5007, ERC5007 - Time NFT (EIP-721 Time Extension)}
+@item
+@uref{https://eips.ethereum.org/EIPS/eip-5192, ERC5192 - Minimal Soulbound NFTs}
 @end itemize
 
 
 @subsection Partial use
 
+The following well-known solidity interfaces are partially implemented in CIC native interfaces.
 @itemize @dfn
 @item
 @uref{https://eips.ethereum.org/EIPS/eip-5679, ERC5679 - Token Minting and Burning} (See @code{Minter}, @code{Burner})
@@ -41,6 +46,8 @@ The following well-known solidity interfaces are used directly.
 
 @include burner.sol.texi
 
+@include chrono.sol.texi
+
 @include declarator.sol.texi
 
 @include expire.sol.texi

solidity/AccountsIndex.sol

@@ -2,39 +2,27 @@ pragma solidity >=0.6.12;
 
 // Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
 // SPDX-License-Identifier:	AGPL-3.0-or-later
-// File-version: 5
+// File-version: 6
 
 interface IAccountsIndex {
-	event AddressAdded(address indexed addedAccount, uint256 indexed accountIndex); // AccountsIndex
+	// Address added to store, index in array.
-	event AddressActive(address indexed _executor, address indexed _account, bool _active);
+	event AddressAdded(uint256 indexed _idx, address _account);
-	event AddressRemoved(address indexed _executor, address _account);
 
-	// Return number of entries in index
+	// Return number of entries in index.
 	function entryCount() external view returns (uint256);
 
-	// Return entry at the spceificed index
+	// Return entry at the spceificed index.
 	// Will revert if index is beyond array length.
-	// An entry result of 
+	// An entry result of 0 means the entry should be skipped, and not count towards entry count.
 	function entry(uint256) external view returns (address);
 
 	// Add an entry to the index. Incresases the entry count.
 	function add(address) external returns (bool);
 
-	// Remove an entry from the index. Reduces the entry count.
+	// Verify that the entry exists in the index.
-	function remove(address) external returns (bool);
-
-	// Verify that the entry exists in the index
 	function have(address) external view returns (bool);
 
-	// Deactivate account but keep in index. Does not affect entry count.
+	// Retrieve the timestamp when account was added.
-	function deactivate(address) external returns (bool);
+	// If time is not being tracked, a value of 0 should be returned.
-
-	// Activate previously deactivated account. Does not affect entry count.
-	function activate(address) external returns (bool);
-
-	// Check if account exists and is active;
-	function isActive(address) external view returns (bool);
-
-	// Retrieve the timestamp when account was added
 	function time(address) external view returns (uint256);
 }

solidity/Expire.sol

@@ -2,12 +2,22 @@ pragma solidity >=0.6.12;
 
 // Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
 // SPDX-License-Identifier:	AGPL-3.0-or-later
-// File-version: 2
+// File-version: 3
 
 interface IExpire {
-	// Expiration timestamp has been changed.
+	// Contract has expired.
 	event Expired(uint256 _timestamp);
 
+	// Expiry time has changed.
+	event ExpiryChange(uint256 indexed _oldTimestamp, uint256 _newTimestamp);
+
 	// The current expiration timestamp.
 	function expires() external returns (uint256);
+
+	// Check expiry and apply expiration if expired.
+	// Return values must be:
+	// 0: not yet expired.
+	// 1: already expired.
+	// >1: expiry executed.
+	function applyExpiry() external returns(uint8);
 }

solidity/Locator.sol

@@ -5,9 +5,9 @@ pragma solidity >=0.6.12;
 // File-version: 3
 
 interface ILocator {
-	// URI that may or may not point to a specific resource location
+	// URI that may or may not point to a specific resource location.
 	function toURI(bytes memory _data) external view returns (string memory);
 
-	// URL pointing to a specific resource location
+	// URL pointing to a specific resource location.
 	function toURL(bytes memory _data) external view returns(string memory);
 }

solidity/RegistryClient.sol

@@ -5,11 +5,14 @@ pragma solidity >=0.6.12;
 // File-version: 3
 
 interface IRegistryClient {
+	// Address added to store with the given key
+	event AddressKey(bytes32 indexed _key, address _address);
+
 	// Return the address of the contract identified by the given byte string
 	function addressOf(bytes32) external view returns (address);
 
 	// Indexed accessor for the full list of registred identifiers
-	function identifiers(uint256) external view returns (bytes32);
+	function identifier(uint256) external view returns (bytes32);
 
 	// Number of registered interfaces
 	function identifierCount() external view returns (uint256);

solidity/Writer.sol

@@ -2,14 +2,14 @@ pragma solidity >=0.6.12;
 
 // Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
 // SPDX-License-Identifier:	AGPL-3.0-or-later
-// File-version: 3
+// File-version: 4
 
 interface IWriter {
 	// A writer has been added by _executor
-	event WriterAdded(address indexed _executor, address _writer);
+	event WriterAdded(address _writer);
 
 	// A writer has been removed by _executor
-	event WriterDeleted(address indexed _executor, address _writer);
+	event WriterDeleted(address _writer);
 
 	// Add a new writer to the contract.
 	function addWriter(address _writer) external returns (bool);