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author | Fabio Berger <me@fabioberger.com> | 2018-05-11 18:32:57 +0800 |
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committer | Fabio Berger <me@fabioberger.com> | 2018-05-11 18:32:57 +0800 |
commit | d370296e82c11d67bbb16a1dc73432c3625682aa (patch) | |
tree | c8e5d440bc2b78feae89644c11ba3ed778da6015 /packages/sol-compiler/test/fixtures/contracts/TokenTransferProxy.sol | |
parent | f78b5741c3ba3495c066dc800ce62d8a1f3fb75f (diff) | |
parent | f42f608f3f97a5244f09f17ae5ee184c0f775de3 (diff) | |
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Merge branch 'development' into breakUp0xjs
* development:
Fix ganache subprovider config
Fix a bug in compiler config precedence
Fix linter errors
Fix templates
Remove unused deployer docs configs
Add a legacy endpoint for the deployer
Add a check for compiler output
Add a comment
Put ARTIFACTS_VERSION in a config
Improve a comment
Remove _applyDefaultsToDeployTxDataAsync
Add a HACK comment
Fix linter issues
Rename deployer to sol-compiler
Remove deployer
Remove deployer from 0x.js and migrations
Configure migrations with a compiler.json
Remove deployer from metacoin and contract tests
Update wallet footer and add remove token functionality
# Conflicts:
# .gitignore
# packages/0x.js/package.json
# packages/0x.js/src/0x.ts
# packages/contracts/package.json
# packages/contracts/test/multi_sig_with_time_lock.ts
# packages/contracts/test/multi_sig_with_time_lock_except_remove_auth_addr.ts
# packages/contracts/util/artifacts.ts
# packages/deployer/test/deployer_test.ts
# packages/migrations/package.json
Diffstat (limited to 'packages/sol-compiler/test/fixtures/contracts/TokenTransferProxy.sol')
-rw-r--r-- | packages/sol-compiler/test/fixtures/contracts/TokenTransferProxy.sol | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/packages/sol-compiler/test/fixtures/contracts/TokenTransferProxy.sol b/packages/sol-compiler/test/fixtures/contracts/TokenTransferProxy.sol new file mode 100644 index 000000000..44570d459 --- /dev/null +++ b/packages/sol-compiler/test/fixtures/contracts/TokenTransferProxy.sol @@ -0,0 +1,115 @@ +/* + + Copyright 2018 ZeroEx Intl. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + +*/ + +pragma solidity ^0.4.14; + +import { Ownable } from "zeppelin-solidity/contracts/ownership/Ownable.sol"; +import { ERC20 as Token } from "zeppelin-solidity/contracts/token/ERC20/ERC20.sol"; + +/// @title TokenTransferProxy - Transfers tokens on behalf of contracts that have been approved via decentralized governance. +/// @author Amir Bandeali - <amir@0xProject.com>, Will Warren - <will@0xProject.com> +contract TokenTransferProxy is Ownable { + + /// @dev Only authorized addresses can invoke functions with this modifier. + modifier onlyAuthorized { + require(authorized[msg.sender]); + _; + } + + modifier targetAuthorized(address target) { + require(authorized[target]); + _; + } + + modifier targetNotAuthorized(address target) { + require(!authorized[target]); + _; + } + + mapping (address => bool) public authorized; + address[] public authorities; + + event LogAuthorizedAddressAdded(address indexed target, address indexed caller); + event LogAuthorizedAddressRemoved(address indexed target, address indexed caller); + + /* + * Public functions + */ + + /// @dev Authorizes an address. + /// @param target Address to authorize. + function addAuthorizedAddress(address target) + public + onlyOwner + targetNotAuthorized(target) + { + authorized[target] = true; + authorities.push(target); + LogAuthorizedAddressAdded(target, msg.sender); + } + + /// @dev Removes authorizion of an address. + /// @param target Address to remove authorization from. + function removeAuthorizedAddress(address target) + public + onlyOwner + targetAuthorized(target) + { + delete authorized[target]; + for (uint i = 0; i < authorities.length; i++) { + if (authorities[i] == target) { + authorities[i] = authorities[authorities.length - 1]; + authorities.length -= 1; + break; + } + } + LogAuthorizedAddressRemoved(target, msg.sender); + } + + /// @dev Calls into ERC20 Token contract, invoking transferFrom. + /// @param token Address of token to transfer. + /// @param from Address to transfer token from. + /// @param to Address to transfer token to. + /// @param value Amount of token to transfer. + /// @return Success of transfer. + function transferFrom( + address token, + address from, + address to, + uint value) + public + onlyAuthorized + returns (bool) + { + return Token(token).transferFrom(from, to, value); + } + + /* + * Public constant functions + */ + + /// @dev Gets all authorized addresses. + /// @return Array of authorized addresses. + function getAuthorizedAddresses() + public + constant + returns (address[]) + { + return authorities; + } +} |