Reinstate simple token index contract

This commit is contained in:
nolash 2021-10-23 18:57:45 +02:00
parent f8466066f1
commit a18b5c093c
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
3 changed files with 20 additions and 3 deletions

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@ -1 +1 @@
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"addedAccount","type":"address"},{"indexed":true,"internalType":"uint256","name":"accountIndex","type":"uint256"}],"name":"AddressAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"add","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"}],"name":"addressOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_idx","type":"uint256"}],"name":"entry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"entryCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"register","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"registry","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_sum","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"addedAccount","type":"address"},{"indexed":true,"internalType":"uint256","name":"accountIndex","type":"uint256"}],"name":"AddressAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"add","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_writer","type":"address"}],"name":"addWriter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"}],"name":"addressOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_writer","type":"address"}],"name":"deleteWriter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_idx","type":"uint256"}],"name":"entry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"entryCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"register","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"registry","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_sum","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]

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@ -7,6 +7,7 @@ contract TokenUniqueSymbolIndex {
// EIP 173
address public owner;
address newOwner;
mapping(address => bool) writers;
mapping ( bytes32 => uint256 ) public registry;
address[] tokens;
@ -33,7 +34,7 @@ contract TokenUniqueSymbolIndex {
}
function register(address _token) public returns (bool) {
require(msg.sender == owner);
require(writers[msg.sender]);
bytes memory token_symbol;
bytes32 token_symbol_key;
@ -82,6 +83,19 @@ contract TokenUniqueSymbolIndex {
emit OwnershipTransferred(oldOwner, owner);
}
// Implements Writer
function addWriter(address _writer) public returns (bool) {
require(owner == msg.sender);
writers[_writer] = true;
return true;
}
// Implements Writer
function deleteWriter(address _writer) public returns (bool) {
require(owner == msg.sender);
delete writers[_writer];
return true;
}
// Implements EIP165
function supportsInterface(bytes4 _sum) public pure returns (bool) {
@ -100,6 +114,9 @@ contract TokenUniqueSymbolIndex {
if (_sum == 0x37a47be4) { // OwnedAccepter
return true;
}
if (_sum == 0x80c84bd6) { // Writer
return true;
}
return false;
}
}