eth-token-index

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commit a18b5c093c3f46e38d9577ee5f5e46443b72c804
parent f8466066f1b1ed91a778983af050cfc5992cd001
Author: nolash <dev@holbrook.no>
Date:   Sat, 23 Oct 2021 18:57:45 +0200

Reinstate simple token index contract

Diffstat:
Mpython/eth_token_index/data/TokenUniqueSymbolIndex.bin | 4++--
Mpython/eth_token_index/data/TokenUniqueSymbolIndex.json | 2+-
Msolidity/TokenUniqueSymbolIndex.sol | 19++++++++++++++++++-
3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/python/eth_token_index/data/TokenUniqueSymbolIndex.bin b/python/eth_token_index/data/TokenUniqueSymbolIndex.bin @@ -1 +1 @@ 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+\ No newline at end of file diff --git a/python/eth_token_index/data/TokenUniqueSymbolIndex.json b/python/eth_token_index/data/TokenUniqueSymbolIndex.json @@ -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"}] diff --git a/solidity/TokenUniqueSymbolIndex.sol b/solidity/TokenUniqueSymbolIndex.sol @@ -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; } }