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solidity/interfaces/extensions/IAccountingExtension.sol
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// // SPDX-License-Identifier: MIT | ||
// pragma solidity ^0.8.19; | ||
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// import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol'; | ||
// import {IOracle} from '@defi-wonderland/prophet-core-contracts/solidity/interfaces/IOracle.sol'; | ||
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// /* | ||
// * @title AccountingExtension | ||
// * @notice Extension allowing users to deposit and bond funds | ||
// * to be used for payments and disputes. | ||
// */ | ||
// interface IAccountingExtension { | ||
// /*/////////////////////////////////////////////////////////////// | ||
// EVENTS | ||
// //////////////////////////////////////////////////////////////*/ | ||
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// /** | ||
// * @notice A user deposited tokens into the accounting extension | ||
// * @param _depositor The user who deposited the tokens | ||
// * @param _token The address of the token deposited by the user | ||
// * @param _amount The amount of `_token` deposited | ||
// */ | ||
// event Deposited(address indexed _depositor, IERC20 indexed _token, uint256 _amount); | ||
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// /** | ||
// * @notice A user withdrew tokens from the accounting extension | ||
// * @param _withdrawer The user who withdrew the tokens | ||
// * @param _token The address of the token withdrawn by the user | ||
// * @param _amount The amount of `_token` withdrawn | ||
// */ | ||
// event Withdrew(address indexed _withdrawer, IERC20 indexed _token, uint256 _amount); | ||
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// /** | ||
// * @notice A payment between users has been made | ||
// * @param _beneficiary The user receiving the tokens | ||
// * @param _payer The user who is getting its tokens transferred | ||
// * @param _token The address of the token being transferred | ||
// * @param _amount The amount of `_token` transferred | ||
// */ | ||
// event Paid( | ||
// bytes32 indexed _requestId, address indexed _beneficiary, address indexed _payer, IERC20 _token, uint256 _amount | ||
// ); | ||
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// /** | ||
// * @notice User's funds have been bonded | ||
// * @param _bonder The user who is getting its tokens bonded | ||
// * @param _token The address of the token being bonded | ||
// * @param _amount The amount of `_token` bonded | ||
// */ | ||
// event Bonded(bytes32 indexed _requestId, address indexed _bonder, IERC20 indexed _token, uint256 _amount); | ||
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// /** | ||
// * @notice User's funds have been released | ||
// * @param _beneficiary The user who is getting its tokens released | ||
// * @param _token The address of the token being released | ||
// * @param _amount The amount of `_token` released | ||
// */ | ||
// event Released(bytes32 indexed _requestId, address indexed _beneficiary, IERC20 indexed _token, uint256 _amount); | ||
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// /*/////////////////////////////////////////////////////////////// | ||
// ERRORS | ||
// //////////////////////////////////////////////////////////////*/ | ||
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// /** | ||
// * @notice Thrown when the account doesn't have enough balance to bond/withdraw | ||
// * or not enough bonded to release/pay | ||
// */ | ||
// error AccountingExtension_InsufficientFunds(); | ||
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// /** | ||
// * @notice Thrown when the module bonding user tokens hasn't been approved by the user. | ||
// */ | ||
// error AccountingExtension_InsufficientAllowance(); | ||
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// /** | ||
// * @notice Thrown when an `onlyAllowedModule` function is called by something | ||
// * else than a module being used in the corresponding request | ||
// */ | ||
// error AccountingExtension_UnauthorizedModule(); | ||
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// /** | ||
// * @notice Thrown when an `onlyParticipant` function is called with an address | ||
// * that is not part of the request. | ||
// */ | ||
// error AccountingExtension_UnauthorizedUser(); | ||
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// /*/////////////////////////////////////////////////////////////// | ||
// VARIABLES | ||
// //////////////////////////////////////////////////////////////*/ | ||
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// /** | ||
// * @notice Returns the interface for the Oracle contract | ||
// */ | ||
// function ORACLE() external view returns (IOracle _oracle); | ||
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// /** | ||
// * @notice Returns the amount of a token a user has bonded | ||
// * @param _user The address of the user with bonded tokens | ||
// * @param _bondToken The token bonded | ||
// * @param _requestId The id of the request the user bonded for | ||
// * @return _amount The amount of `_bondToken` bonded | ||
// */ | ||
// function bondedAmountOf(address _user, IERC20 _bondToken, bytes32 _requestId) external returns (uint256 _amount); | ||
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// /** | ||
// * @notice Returns the amount of a token a user has deposited | ||
// * @param _user The address of the user with deposited tokens | ||
// * @param _token The token deposited | ||
// * @return _amount The amount of `_token` deposited | ||
// */ | ||
// function balanceOf(address _user, IERC20 _token) external view returns (uint256 _amount); | ||
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// /*/////////////////////////////////////////////////////////////// | ||
// LOGIC | ||
// //////////////////////////////////////////////////////////////*/ | ||
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// /** | ||
// * @notice Transfers tokens from a user and updates his virtual balance | ||
// * @dev The user must have approved the accounting extension to transfer the tokens. | ||
// * @param _token The address of the token being deposited | ||
// * @param _amount The amount of `_token` to deposit | ||
// */ | ||
// function deposit(IERC20 _token, uint256 _amount) external; | ||
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// /** | ||
// * @notice Allows an user to withdraw deposited tokens | ||
// * @param _token The address of the token being withdrawn | ||
// * @param _amount The amount of `_token` to withdraw | ||
// */ | ||
// function withdraw(IERC20 _token, uint256 _amount) external; | ||
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// /** | ||
// * @notice Allows a allowed module to transfer bonded tokens from one user to another | ||
// * @dev Only the virtual balances in the accounting extension are modified. The token contract | ||
// * is not called nor its balances modified. | ||
// * @param _requestId The id of the request handling the user's tokens | ||
// * @param _payer The address of the user paying the tokens | ||
// * @param _receiver The address of the user receiving the tokens | ||
// * @param _token The address of the token being transferred | ||
// * @param _amount The amount of `_token` being transferred | ||
// */ | ||
// function pay(bytes32 _requestId, address _payer, address _receiver, IERC20 _token, uint256 _amount) external; | ||
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// /** | ||
// * @notice Allows a allowed module to bond a user's tokens for a request | ||
// * @param _bonder The address of the user to bond tokens for | ||
// * @param _requestId The id of the request the user is bonding for | ||
// * @param _token The address of the token being bonded | ||
// * @param _amount The amount of `_token` to bond | ||
// */ | ||
// function bond(address _bonder, bytes32 _requestId, IERC20 _token, uint256 _amount) external; | ||
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// /** | ||
// * @notice Allows a valid module to bond a user's tokens for a request | ||
// * @param _bonder The address of the user to bond tokens for | ||
// * @param _requestId The id of the request the user is bonding for | ||
// * @param _token The address of the token being bonded | ||
// * @param _amount The amount of `_token` to bond | ||
// * @param _sender The address starting the propose call on the Oracle | ||
// */ | ||
// function bond(address _bonder, bytes32 _requestId, IERC20 _token, uint256 _amount, address _sender) external; | ||
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// /** | ||
// * @notice Allows a valid module to release a user's tokens | ||
// * @param _bonder The address of the user to release tokens for | ||
// * @param _requestId The id of the request where the tokens were bonded | ||
// * @param _token The address of the token being released | ||
// * @param _amount The amount of `_token` to release | ||
// */ | ||
// function release(address _bonder, bytes32 _requestId, IERC20 _token, uint256 _amount) external; | ||
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// /** | ||
// * @notice Allows a user to approve a module for bonding tokens | ||
// * @param _module The address of the module to be approved | ||
// */ | ||
// function approveModule(address _module) external; | ||
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// /** | ||
// * @notice Allows a user to revoke a module's approval for bonding tokens | ||
// * @param _module The address of the module to be revoked | ||
// */ | ||
// function revokeModule(address _module) external; | ||
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// /** | ||
// * @notice Returns a list of all modules a user has approved | ||
// * @param _user The address of the user | ||
// * @return _approvedModules The array of all modules approved by the user | ||
// */ | ||
// function approvedModules(address _user) external view returns (address[] memory _approvedModules); | ||
// } | ||
// SPDX-License-Identifier: MIT | ||
pragma solidity ^0.8.19; | ||
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import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol'; | ||
import {IOracle} from '@defi-wonderland/prophet-core-contracts/solidity/interfaces/IOracle.sol'; | ||
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/* | ||
* @title AccountingExtension | ||
* @notice Extension allowing users to deposit and bond funds | ||
* to be used for payments and disputes. | ||
*/ | ||
interface IAccountingExtension { | ||
/*/////////////////////////////////////////////////////////////// | ||
EVENTS | ||
//////////////////////////////////////////////////////////////*/ | ||
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||
/** | ||
* @notice A user deposited tokens into the accounting extension | ||
* @param _depositor The user who deposited the tokens | ||
* @param _token The address of the token deposited by the user | ||
* @param _amount The amount of `_token` deposited | ||
*/ | ||
event Deposited(address indexed _depositor, IERC20 indexed _token, uint256 _amount); | ||
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/** | ||
* @notice A user withdrew tokens from the accounting extension | ||
* @param _withdrawer The user who withdrew the tokens | ||
* @param _token The address of the token withdrawn by the user | ||
* @param _amount The amount of `_token` withdrawn | ||
*/ | ||
event Withdrew(address indexed _withdrawer, IERC20 indexed _token, uint256 _amount); | ||
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/** | ||
* @notice A payment between users has been made | ||
* @param _beneficiary The user receiving the tokens | ||
* @param _payer The user who is getting its tokens transferred | ||
* @param _token The address of the token being transferred | ||
* @param _amount The amount of `_token` transferred | ||
*/ | ||
event Paid( | ||
bytes32 indexed _requestId, address indexed _beneficiary, address indexed _payer, IERC20 _token, uint256 _amount | ||
); | ||
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/** | ||
* @notice User's funds have been bonded | ||
* @param _bonder The user who is getting its tokens bonded | ||
* @param _token The address of the token being bonded | ||
* @param _amount The amount of `_token` bonded | ||
*/ | ||
event Bonded(bytes32 indexed _requestId, address indexed _bonder, IERC20 indexed _token, uint256 _amount); | ||
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/** | ||
* @notice User's funds have been released | ||
* @param _beneficiary The user who is getting its tokens released | ||
* @param _token The address of the token being released | ||
* @param _amount The amount of `_token` released | ||
*/ | ||
event Released(bytes32 indexed _requestId, address indexed _beneficiary, IERC20 indexed _token, uint256 _amount); | ||
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/*/////////////////////////////////////////////////////////////// | ||
ERRORS | ||
//////////////////////////////////////////////////////////////*/ | ||
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/** | ||
* @notice Thrown when the account doesn't have enough balance to bond/withdraw | ||
* or not enough bonded to release/pay | ||
*/ | ||
error AccountingExtension_InsufficientFunds(); | ||
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/** | ||
* @notice Thrown when the module bonding user tokens hasn't been approved by the user. | ||
*/ | ||
error AccountingExtension_InsufficientAllowance(); | ||
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/** | ||
* @notice Thrown when an `onlyAllowedModule` function is called by something | ||
* else than a module being used in the corresponding request | ||
*/ | ||
error AccountingExtension_UnauthorizedModule(); | ||
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/** | ||
* @notice Thrown when an `onlyParticipant` function is called with an address | ||
* that is not part of the request. | ||
*/ | ||
error AccountingExtension_UnauthorizedUser(); | ||
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/*/////////////////////////////////////////////////////////////// | ||
VARIABLES | ||
//////////////////////////////////////////////////////////////*/ | ||
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/** | ||
* @notice Returns the interface for the Oracle contract | ||
*/ | ||
function ORACLE() external view returns (IOracle _oracle); | ||
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/** | ||
* @notice Returns the amount of a token a user has bonded | ||
* @param _user The address of the user with bonded tokens | ||
* @param _bondToken The token bonded | ||
* @param _requestId The id of the request the user bonded for | ||
* @return _amount The amount of `_bondToken` bonded | ||
*/ | ||
function bondedAmountOf(address _user, IERC20 _bondToken, bytes32 _requestId) external returns (uint256 _amount); | ||
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/** | ||
* @notice Returns the amount of a token a user has deposited | ||
* @param _user The address of the user with deposited tokens | ||
* @param _token The token deposited | ||
* @return _amount The amount of `_token` deposited | ||
*/ | ||
function balanceOf(address _user, IERC20 _token) external view returns (uint256 _amount); | ||
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/*/////////////////////////////////////////////////////////////// | ||
LOGIC | ||
//////////////////////////////////////////////////////////////*/ | ||
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/** | ||
* @notice Transfers tokens from a user and updates his virtual balance | ||
* @dev The user must have approved the accounting extension to transfer the tokens. | ||
* @param _token The address of the token being deposited | ||
* @param _amount The amount of `_token` to deposit | ||
*/ | ||
function deposit(IERC20 _token, uint256 _amount) external; | ||
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/** | ||
* @notice Allows an user to withdraw deposited tokens | ||
* @param _token The address of the token being withdrawn | ||
* @param _amount The amount of `_token` to withdraw | ||
*/ | ||
function withdraw(IERC20 _token, uint256 _amount) external; | ||
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/** | ||
* @notice Allows a allowed module to transfer bonded tokens from one user to another | ||
* @dev Only the virtual balances in the accounting extension are modified. The token contract | ||
* is not called nor its balances modified. | ||
* @param _requestId The id of the request handling the user's tokens | ||
* @param _payer The address of the user paying the tokens | ||
* @param _receiver The address of the user receiving the tokens | ||
* @param _token The address of the token being transferred | ||
* @param _amount The amount of `_token` being transferred | ||
*/ | ||
function pay(bytes32 _requestId, address _payer, address _receiver, IERC20 _token, uint256 _amount) external; | ||
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/** | ||
* @notice Allows a allowed module to bond a user's tokens for a request | ||
* @param _bonder The address of the user to bond tokens for | ||
* @param _requestId The id of the request the user is bonding for | ||
* @param _token The address of the token being bonded | ||
* @param _amount The amount of `_token` to bond | ||
*/ | ||
function bond(address _bonder, bytes32 _requestId, IERC20 _token, uint256 _amount) external; | ||
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/** | ||
* @notice Allows a valid module to bond a user's tokens for a request | ||
* @param _bonder The address of the user to bond tokens for | ||
* @param _requestId The id of the request the user is bonding for | ||
* @param _token The address of the token being bonded | ||
* @param _amount The amount of `_token` to bond | ||
* @param _sender The address starting the propose call on the Oracle | ||
*/ | ||
function bond(address _bonder, bytes32 _requestId, IERC20 _token, uint256 _amount, address _sender) external; | ||
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/** | ||
* @notice Allows a valid module to release a user's tokens | ||
* @param _bonder The address of the user to release tokens for | ||
* @param _requestId The id of the request where the tokens were bonded | ||
* @param _token The address of the token being released | ||
* @param _amount The amount of `_token` to release | ||
*/ | ||
function release(address _bonder, bytes32 _requestId, IERC20 _token, uint256 _amount) external; | ||
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/** | ||
* @notice Allows a user to approve a module for bonding tokens | ||
* @param _module The address of the module to be approved | ||
*/ | ||
function approveModule(address _module) external; | ||
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/** | ||
* @notice Allows a user to revoke a module's approval for bonding tokens | ||
* @param _module The address of the module to be revoked | ||
*/ | ||
function revokeModule(address _module) external; | ||
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/** | ||
* @notice Returns a list of all modules a user has approved | ||
* @param _user The address of the user | ||
* @return _approvedModules The array of all modules approved by the user | ||
*/ | ||
function approvedModules(address _user) external view returns (address[] memory _approvedModules); | ||
} |
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