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Update token change name & symbol methods

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This commit is contained in:
Mubaris NK 2021-03-24 15:04:10 +05:30
parent ee3905aa57
commit 2c30d27685
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2 changed files with 33 additions and 12 deletions
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38
contracts/TokenDelegate.sol
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@ -25,13 +25,19 @@ contract TokenDelegate is TokenDelegateStorageV1, TokenEvents {
bytes32 public constant PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
// TODO @mubaris - add comment of each parameter.
/**
* @notice Used to initialize the contract during delegator constructor
* @param account The address to recieve initial suppply
* @param minter_ The address of the minter
* @param mintingAllowedAfter_ Timestamp of the next allowed minting
* @param transferPaused_ Flag to make the token non-transferable
*/
function initialize(address account, address minter_, uint mintingAllowedAfter_, bool transferPaused_) public {
require(mintingAllowedAfter == 0, "Token::initialize: can only initialize once");
require(address(minter) == address(0), "Token::initialize: can only initialize once");
require(minter == address(0), "Token::initialize: can only initialize once");
require(mintingAllowedAfter_ >= block.timestamp, "Token::constructor: minting can only begin after deployment");
require(msg.sender == minter, "Token::initialize: admin only");
// TODO @mubaris - anything else to add in require statements?
require(account != address(0) && minter_ != address(0), "Token::initialize: invalid address");
balances[account] = uint96(totalSupply);
emit Transfer(address(0), account, totalSupply);
@ -76,16 +82,28 @@ contract TokenDelegate is TokenDelegateStorageV1, TokenEvents {
}
/**
* @notice Token name and symbol change
* @notice Change token name
* @param name_ New token name
*/
// TODO @KaymasJain - Looks good? And should we have two functions or single?
function changeNameAndSymbol(string calldata name_, string calldata symbol_) external {
require(msg.sender == minter, "Tkn::changeNameAndSymbol: only the minter can change token name and symbol");
require(bytes(name_).length > 0, "Tkn::changeNameAndSymbol: name_name_ length invaild");
require(bytes(symbol_).length > 0, "Tkn::changeNameAndSymbol: symbol_ length invaild");
function changeName(string calldata name_) external {
require(msg.sender == minter, "Tkn::changeName: only the minter can change token name");
require(bytes(name_).length > 0, "Tkn::changeName: name_ length invaild");
emit ChangedName(name, name_);
emit ChangedNameAndSymbol(name, name_, symbol, symbol_);
name = name_;
}
/**
* @notice Change token symbol
* @param symbol_ New token symbol
*/
function changeSymbol(string calldata symbol_) external {
require(msg.sender == minter, "Tkn::changeSymbol: only the minter can change token symbol");
require(bytes(symbol_).length > 0, "Tkn::changeSymbol: name_name_ length invaild");
emit ChangedName(symbol, symbol_);
symbol = symbol_;
}

7
contracts/TokenInterfaces.sol
View File

@ -27,8 +27,11 @@ contract TokenEvents {
/// @notice An event thats emitted when the token transfered is unpaused
event TransferUnpaused(address indexed minter);
/// @notice An event thats emitted when the token name and symbol is changed
event ChangedNameAndSymbol(string oldName, string newName, string oldSybmol, string newSybmol);
/// @notice An event thats emitted when the token symbol is changed
event ChangedSymbol(string oldSybmol, string newSybmol);
/// @notice An event thats emitted when the token name is changed
event ChangedName(string oldName, string newName);
}
contract TokenDelegatorStorage {