Updated test unit to reflect message signing logic
This commit is contained in:
Richard Ramos
parent
3ac4be7bbd
commit
cb5265d824
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@ -15,6 +15,12 @@
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],
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"gas": "auto",
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"contracts": {
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"Controlled": {"deploy": false},
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"Owned": {"deploy": false},
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"SafeMath": {"deploy": false},
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"MessageTribute": {"deploy": false},
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"MiniMeTokenFactory": {"deploy": false},
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"MiniMeToken": {"deploy": false}
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}
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}
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}
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@ -65,8 +65,9 @@ contract MessageTribute is MessageSigned {
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* @param _requesterSignature signature of Audience requestor
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* @param _grantorSignature signature of Audience grantor
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*/
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function grantAudience(bool _approve, bool _waive, bytes32 _secret, uint256 _timeLimit, bytes _requesterSignature, bytes _grantorSignature) public {
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function grantAudience(bool _approve, bool _waive, bytes32 _secret, uint256 _timeLimit, bytes _requesterSignature, bytes _grantorSignature) public {
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require(_timeLimit <= block.timestamp);
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address grantor = recoverAddress(
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getSignHash(
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getGrantAudienceHash(
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@ -78,7 +79,7 @@ contract MessageTribute is MessageSigned {
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),
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_grantorSignature
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);
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bytes32 hashedSecret = keccak256(grantor, _secret);
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require(!granted[hashedSecret]);
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granted[hashedSecret] = true;
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@ -146,19 +147,6 @@ contract MessageTribute is MessageSigned {
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);
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}
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/**
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* @notice Determine if msg.sender ha enough funds to chat with `_to`
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* @param _to Account `msg.sender` wishes to talk to
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* @return Has enough funds or not
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*/
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function hasEnoughFundsToTalk(address _to)
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public
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view
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returns(bool)
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{
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return getFee(_to, msg.sender).amount <= token.allowance(msg.sender, address(this));
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}
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/**
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* @notice Obtain required fee to talk with `_from`
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* @param _from Account `msg.sender` wishes to talk to
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@ -0,0 +1,5 @@
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pragma solidity ^0.4.14;
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contract ApproveAndCallFallBack {
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function receiveApproval(address from, uint256 _amount, address _token, bytes _data) public ;
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}
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@ -0,0 +1,623 @@
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pragma solidity ^0.4.6;
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/*
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Copyright 2016, Jordi Baylina
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/// @title MiniMeToken Contract
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/// @author Jordi Baylina
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/// @dev This token contract's goal is to make it easy for anyone to clone this
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/// token using the token distribution at a given block, this will allow DAO's
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/// and DApps to upgrade their features in a decentralized manner without
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/// affecting the original token
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/// @dev It is ERC20 compliant, but still needs to under go further testing.
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import "../common/Controlled.sol";
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import "./TokenController.sol";
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import "./ApproveAndCallFallBack.sol";
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/// @dev The actual token contract, the default controller is the msg.sender
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/// that deploys the contract, so usually this token will be deployed by a
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/// token controller contract, which Giveth will call a "Campaign"
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contract MiniMeToken is Controlled {
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string public name; //The Token's name: e.g. DigixDAO Tokens
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uint8 public decimals; //Number of decimals of the smallest unit
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string public symbol; //An identifier: e.g. REP
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string public version = "MMT_0.1"; //An arbitrary versioning scheme
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/// @dev `Checkpoint` is the structure that attaches a block number to a
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/// given value, the block number attached is the one that last changed the
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/// value
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struct Checkpoint {
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// `fromBlock` is the block number that the value was generated from
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uint128 fromBlock;
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// `value` is the amount of tokens at a specific block number
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uint128 value;
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}
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// `parentToken` is the Token address that was cloned to produce this token;
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// it will be 0x0 for a token that was not cloned
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MiniMeToken public parentToken;
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// `parentSnapShotBlock` is the block number from the Parent Token that was
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// used to determine the initial distribution of the Clone Token
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uint public parentSnapShotBlock;
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// `creationBlock` is the block number that the Clone Token was created
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uint public creationBlock;
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// `balances` is the map that tracks the balance of each address, in this
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// contract when the balance changes the block number that the change
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// occurred is also included in the map
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mapping (address => Checkpoint[]) balances;
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// `allowed` tracks any extra transfer rights as in all ERC20 tokens
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mapping (address => mapping (address => uint256)) allowed;
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// Tracks the history of the `totalSupply` of the token
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Checkpoint[] totalSupplyHistory;
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// Flag that determines if the token is transferable or not.
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bool public transfersEnabled;
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// The factory used to create new clone tokens
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MiniMeTokenFactory public tokenFactory;
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////////////////
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// Constructor
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////////////////
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/// @notice Constructor to create a MiniMeToken
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/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
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/// will create the Clone token contracts, the token factory needs to be
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/// deployed first
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/// @param _parentToken Address of the parent token, set to 0x0 if it is a
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/// new token
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/// @param _parentSnapShotBlock Block of the parent token that will
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/// determine the initial distribution of the clone token, set to 0 if it
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/// is a new token
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/// @param _tokenName Name of the new token
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/// @param _decimalUnits Number of decimals of the new token
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/// @param _tokenSymbol Token Symbol for the new token
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/// @param _transfersEnabled If true, tokens will be able to be transferred
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function MiniMeToken(
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address _tokenFactory,
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address _parentToken,
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uint _parentSnapShotBlock,
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string _tokenName,
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uint8 _decimalUnits,
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string _tokenSymbol,
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bool _transfersEnabled
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)
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public
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{
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tokenFactory = MiniMeTokenFactory(_tokenFactory);
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name = _tokenName; // Set the name
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decimals = _decimalUnits; // Set the decimals
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symbol = _tokenSymbol; // Set the symbol
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parentToken = MiniMeToken(_parentToken);
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parentSnapShotBlock = _parentSnapShotBlock;
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transfersEnabled = _transfersEnabled;
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creationBlock = block.number;
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}
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///////////////////
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// ERC20 Methods
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///////////////////
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/// @notice Send `_amount` tokens to `_to` from `msg.sender`
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/// @param _to The address of the recipient
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/// @param _amount The amount of tokens to be transferred
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/// @return Whether the transfer was successful or not
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function transfer(address _to, uint256 _amount) public returns (bool success) {
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require(transfersEnabled);
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return doTransfer(msg.sender, _to, _amount);
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}
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/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
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/// is approved by `_from`
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/// @param _from The address holding the tokens being transferred
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/// @param _to The address of the recipient
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/// @param _amount The amount of tokens to be transferred
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/// @return True if the transfer was successful
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function transferFrom(
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address _from,
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address _to,
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uint256 _amount
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)
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public
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returns (bool success)
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{
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// The controller of this contract can move tokens around at will,
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// this is important to recognize! Confirm that you trust the
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// controller of this contract, which in most situations should be
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// another open source smart contract or 0x0
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if (msg.sender != controller) {
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require(transfersEnabled);
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// The standard ERC 20 transferFrom functionality
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if (allowed[_from][msg.sender] < _amount) {
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return false;
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}
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allowed[_from][msg.sender] -= _amount;
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}
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return doTransfer(_from, _to, _amount);
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}
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/// @dev This is the actual transfer function in the token contract, it can
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/// only be called by other functions in this contract.
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/// @param _from The address holding the tokens being transferred
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/// @param _to The address of the recipient
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/// @param _amount The amount of tokens to be transferred
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/// @return True if the transfer was successful
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function doTransfer(
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address _from,
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address _to,
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uint _amount
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)
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internal
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returns(bool)
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{
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if (_amount == 0) {
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return true;
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}
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require(parentSnapShotBlock < block.number);
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// Do not allow transfer to 0x0 or the token contract itself
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require((_to != 0) && (_to != address(this)));
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// If the amount being transfered is more than the balance of the
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// account the transfer returns false
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var previousBalanceFrom = balanceOfAt(_from, block.number);
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if (previousBalanceFrom < _amount) {
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return false;
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}
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// Alerts the token controller of the transfer
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if (isContract(controller)) {
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require(TokenController(controller).onTransfer(_from, _to, _amount));
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}
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// First update the balance array with the new value for the address
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// sending the tokens
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updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
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// Then update the balance array with the new value for the address
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// receiving the tokens
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var previousBalanceTo = balanceOfAt(_to, block.number);
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require(previousBalanceTo + _amount >= previousBalanceTo); // Check for overflow
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updateValueAtNow(balances[_to], previousBalanceTo + _amount);
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// An event to make the transfer easy to find on the blockchain
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Transfer(_from, _to, _amount);
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return true;
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}
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/// @param _owner The address that's balance is being requested
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/// @return The balance of `_owner` at the current block
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function balanceOf(address _owner) public constant returns (uint256 balance) {
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return balanceOfAt(_owner, block.number);
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}
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/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
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/// its behalf. This is a modified version of the ERC20 approve function
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/// to be a little bit safer
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/// @param _spender The address of the account able to transfer the tokens
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/// @param _amount The amount of tokens to be approved for transfer
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/// @return True if the approval was successful
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function approve(address _spender, uint256 _amount) public returns (bool success) {
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require(transfersEnabled);
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// To change the approve amount you first have to reduce the addresses`
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// allowance to zero by calling `approve(_spender,0)` if it is not
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// already 0 to mitigate the race condition described here:
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// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
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require((_amount == 0) || (allowed[msg.sender][_spender] == 0));
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// Alerts the token controller of the approve function call
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if (isContract(controller)) {
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require(TokenController(controller).onApprove(msg.sender, _spender, _amount));
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}
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allowed[msg.sender][_spender] = _amount;
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Approval(msg.sender, _spender, _amount);
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return true;
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}
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/// @dev This function makes it easy to read the `allowed[]` map
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/// @param _owner The address of the account that owns the token
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/// @param _spender The address of the account able to transfer the tokens
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/// @return Amount of remaining tokens of _owner that _spender is allowed
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/// to spend
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function allowance(
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address _owner,
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address _spender
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)
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public
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constant
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returns (uint256 remaining)
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{
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return allowed[_owner][_spender];
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}
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/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
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/// its behalf, and then a function is triggered in the contract that is
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/// being approved, `_spender`. This allows users to use their tokens to
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/// interact with contracts in one function call instead of two
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/// @param _spender The address of the contract able to transfer the tokens
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/// @param _amount The amount of tokens to be approved for transfer
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/// @return True if the function call was successful
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function approveAndCall(
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address _spender,
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uint256 _amount,
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bytes _extraData
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)
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public
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returns (bool success)
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{
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require(approve(_spender, _amount));
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ApproveAndCallFallBack(_spender).receiveApproval(
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msg.sender,
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_amount,
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this,
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_extraData
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);
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return true;
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}
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/// @dev This function makes it easy to get the total number of tokens
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/// @return The total number of tokens
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function totalSupply() public constant returns (uint) {
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return totalSupplyAt(block.number);
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}
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////////////////
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// Query balance and totalSupply in History
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////////////////
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/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
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/// @param _owner The address from which the balance will be retrieved
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/// @param _blockNumber The block number when the balance is queried
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/// @return The balance at `_blockNumber`
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function balanceOfAt(
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address _owner,
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uint _blockNumber
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)
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public
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constant
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returns (uint)
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{
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// These next few lines are used when the balance of the token is
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// requested before a check point was ever created for this token, it
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// requires that the `parentToken.balanceOfAt` be queried at the
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// genesis block for that token as this contains initial balance of
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// this token
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if ((balances[_owner].length == 0)
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|| (balances[_owner][0].fromBlock > _blockNumber)) {
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if (address(parentToken) != 0) {
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return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
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} else {
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// Has no parent
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return 0;
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}
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// This will return the expected balance during normal situations
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} else {
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return getValueAt(balances[_owner], _blockNumber);
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}
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}
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/// @notice Total amount of tokens at a specific `_blockNumber`.
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/// @param _blockNumber The block number when the totalSupply is queried
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/// @return The total amount of tokens at `_blockNumber`
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function totalSupplyAt(uint _blockNumber) public constant returns(uint) {
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// These next few lines are used when the totalSupply of the token is
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// requested before a check point was ever created for this token, it
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// requires that the `parentToken.totalSupplyAt` be queried at the
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// genesis block for this token as that contains totalSupply of this
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// token at this block number.
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if ((totalSupplyHistory.length == 0)
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|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
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if (address(parentToken) != 0) {
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return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
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} else {
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return 0;
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}
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// This will return the expected totalSupply during normal situations
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} else {
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return getValueAt(totalSupplyHistory, _blockNumber);
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}
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}
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////////////////
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// Clone Token Method
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////////////////
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/// @notice Creates a new clone token with the initial distribution being
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/// this token at `_snapshotBlock`
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/// @param _cloneTokenName Name of the clone token
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/// @param _cloneDecimalUnits Number of decimals of the smallest unit
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/// @param _cloneTokenSymbol Symbol of the clone token
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/// @param _snapshotBlock Block when the distribution of the parent token is
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/// copied to set the initial distribution of the new clone token;
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/// if the block is zero than the actual block, the current block is used
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/// @param _transfersEnabled True if transfers are allowed in the clone
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/// @return The address of the new MiniMeToken Contract
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function createCloneToken(
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string _cloneTokenName,
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uint8 _cloneDecimalUnits,
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string _cloneTokenSymbol,
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uint _snapshotBlock,
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bool _transfersEnabled
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)
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public
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returns(address)
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{
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if (_snapshotBlock == 0) {
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_snapshotBlock = block.number;
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}
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MiniMeToken cloneToken = tokenFactory.createCloneToken(
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this,
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_snapshotBlock,
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_cloneTokenName,
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_cloneDecimalUnits,
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_cloneTokenSymbol,
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_transfersEnabled
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);
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cloneToken.changeController(msg.sender);
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// An event to make the token easy to find on the blockchain
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NewCloneToken(address(cloneToken), _snapshotBlock);
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return address(cloneToken);
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}
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////////////////
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// Generate and destroy tokens
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////////////////
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/// @notice Generates `_amount` tokens that are assigned to `_owner`
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/// @param _owner The address that will be assigned the new tokens
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/// @param _amount The quantity of tokens generated
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/// @return True if the tokens are generated correctly
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function generateTokens(
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address _owner,
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uint _amount
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)
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public
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onlyController
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returns (bool)
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{
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uint curTotalSupply = totalSupply();
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require(curTotalSupply + _amount >= curTotalSupply); // Check for overflow
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uint previousBalanceTo = balanceOf(_owner);
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require(previousBalanceTo + _amount >= previousBalanceTo); // Check for overflow
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updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
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updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
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Transfer(0, _owner, _amount);
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return true;
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}
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||||
/// @notice Burns `_amount` tokens from `_owner`
|
||||
/// @param _owner The address that will lose the tokens
|
||||
/// @param _amount The quantity of tokens to burn
|
||||
/// @return True if the tokens are burned correctly
|
||||
function destroyTokens(
|
||||
address _owner,
|
||||
uint _amount
|
||||
)
|
||||
public
|
||||
onlyController
|
||||
returns (bool)
|
||||
{
|
||||
uint curTotalSupply = totalSupply();
|
||||
require(curTotalSupply >= _amount);
|
||||
uint previousBalanceFrom = balanceOf(_owner);
|
||||
require(previousBalanceFrom >= _amount);
|
||||
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
|
||||
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
|
||||
Transfer(_owner, 0, _amount);
|
||||
return true;
|
||||
}
|
||||
|
||||
////////////////
|
||||
// Enable tokens transfers
|
||||
////////////////
|
||||
|
||||
|
||||
/// @notice Enables token holders to transfer their tokens freely if true
|
||||
/// @param _transfersEnabled True if transfers are allowed in the clone
|
||||
function enableTransfers(bool _transfersEnabled) public onlyController {
|
||||
transfersEnabled = _transfersEnabled;
|
||||
}
|
||||
|
||||
////////////////
|
||||
// Internal helper functions to query and set a value in a snapshot array
|
||||
////////////////
|
||||
|
||||
/// @dev `getValueAt` retrieves the number of tokens at a given block number
|
||||
/// @param checkpoints The history of values being queried
|
||||
/// @param _block The block number to retrieve the value at
|
||||
/// @return The number of tokens being queried
|
||||
function getValueAt(
|
||||
Checkpoint[] storage checkpoints,
|
||||
uint _block
|
||||
)
|
||||
constant
|
||||
internal
|
||||
returns (uint)
|
||||
{
|
||||
if (checkpoints.length == 0) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Shortcut for the actual value
|
||||
if (_block >= checkpoints[checkpoints.length-1].fromBlock) {
|
||||
return checkpoints[checkpoints.length-1].value;
|
||||
}
|
||||
if (_block < checkpoints[0].fromBlock) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Binary search of the value in the array
|
||||
uint min = 0;
|
||||
uint max = checkpoints.length-1;
|
||||
while (max > min) {
|
||||
uint mid = (max + min + 1) / 2;
|
||||
if (checkpoints[mid].fromBlock<=_block) {
|
||||
min = mid;
|
||||
} else {
|
||||
max = mid-1;
|
||||
}
|
||||
}
|
||||
return checkpoints[min].value;
|
||||
}
|
||||
|
||||
/// @dev `updateValueAtNow` used to update the `balances` map and the
|
||||
/// `totalSupplyHistory`
|
||||
/// @param checkpoints The history of data being updated
|
||||
/// @param _value The new number of tokens
|
||||
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value) internal {
|
||||
if ((checkpoints.length == 0)
|
||||
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
|
||||
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
|
||||
newCheckPoint.fromBlock = uint128(block.number);
|
||||
newCheckPoint.value = uint128(_value);
|
||||
} else {
|
||||
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
|
||||
oldCheckPoint.value = uint128(_value);
|
||||
}
|
||||
}
|
||||
|
||||
/// @dev Internal function to determine if an address is a contract
|
||||
/// @param _addr The address being queried
|
||||
/// @return True if `_addr` is a contract
|
||||
function isContract(address _addr) constant internal returns(bool) {
|
||||
uint size;
|
||||
if (_addr == 0){
|
||||
return false;
|
||||
}
|
||||
assembly {
|
||||
size := extcodesize(_addr)
|
||||
}
|
||||
return size>0;
|
||||
}
|
||||
|
||||
/// @dev Helper function to return a min betwen the two uints
|
||||
function min(uint a, uint b) internal returns (uint) {
|
||||
return a < b ? a : b;
|
||||
}
|
||||
|
||||
/// @notice The fallback function: If the contract's controller has not been
|
||||
/// set to 0, then the `proxyPayment` method is called which relays the
|
||||
/// ether and creates tokens as described in the token controller contract
|
||||
function () public payable {
|
||||
require(isContract(controller));
|
||||
require(TokenController(controller).proxyPayment.value(msg.value)(msg.sender));
|
||||
}
|
||||
|
||||
//////////
|
||||
// Safety Methods
|
||||
//////////
|
||||
|
||||
/// @notice This method can be used by the controller to extract mistakenly
|
||||
/// sent tokens to this contract.
|
||||
/// @param _token The address of the token contract that you want to recover
|
||||
/// set to 0 in case you want to extract ether.
|
||||
function claimTokens(address _token) public onlyController {
|
||||
if (_token == 0x0) {
|
||||
controller.transfer(this.balance);
|
||||
return;
|
||||
}
|
||||
|
||||
MiniMeToken token = MiniMeToken(_token);
|
||||
uint balance = token.balanceOf(this);
|
||||
token.transfer(controller, balance);
|
||||
ClaimedTokens(_token, controller, balance);
|
||||
}
|
||||
|
||||
////////////////
|
||||
// Events
|
||||
////////////////
|
||||
event ClaimedTokens(address indexed _token, address indexed _controller, uint _amount);
|
||||
event Transfer(address indexed _from, address indexed _to, uint256 _amount);
|
||||
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
|
||||
event Approval(
|
||||
address indexed _owner,
|
||||
address indexed _spender,
|
||||
uint256 _amount
|
||||
);
|
||||
|
||||
}
|
||||
|
||||
|
||||
////////////////
|
||||
// MiniMeTokenFactory
|
||||
////////////////
|
||||
|
||||
/// @dev This contract is used to generate clone contracts from a contract.
|
||||
/// In solidity this is the way to create a contract from a contract of the
|
||||
/// same class
|
||||
contract MiniMeTokenFactory {
|
||||
|
||||
/// @notice Update the DApp by creating a new token with new functionalities
|
||||
/// the msg.sender becomes the controller of this clone token
|
||||
/// @param _parentToken Address of the token being cloned
|
||||
/// @param _snapshotBlock Block of the parent token that will
|
||||
/// determine the initial distribution of the clone token
|
||||
/// @param _tokenName Name of the new token
|
||||
/// @param _decimalUnits Number of decimals of the new token
|
||||
/// @param _tokenSymbol Token Symbol for the new token
|
||||
/// @param _transfersEnabled If true, tokens will be able to be transferred
|
||||
/// @return The address of the new token contract
|
||||
function createCloneToken(
|
||||
address _parentToken,
|
||||
uint _snapshotBlock,
|
||||
string _tokenName,
|
||||
uint8 _decimalUnits,
|
||||
string _tokenSymbol,
|
||||
bool _transfersEnabled
|
||||
) returns (MiniMeToken) {
|
||||
MiniMeToken newToken = new MiniMeToken(
|
||||
this,
|
||||
_parentToken,
|
||||
_snapshotBlock,
|
||||
_tokenName,
|
||||
_decimalUnits,
|
||||
_tokenSymbol,
|
||||
_transfersEnabled
|
||||
);
|
||||
|
||||
newToken.changeController(msg.sender);
|
||||
return newToken;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
pragma solidity ^0.4.14;
|
||||
|
||||
/// @dev The token controller contract must implement these functions
|
||||
contract TokenController {
|
||||
/// @notice Called when `_owner` sends ether to the MiniMe Token contract
|
||||
/// @param _owner The address that sent the ether to create tokens
|
||||
/// @return True if the ether is accepted, false if it throws
|
||||
function proxyPayment(address _owner) payable returns(bool);
|
||||
|
||||
/// @notice Notifies the controller about a token transfer allowing the
|
||||
/// controller to react if desired
|
||||
/// @param _from The origin of the transfer
|
||||
/// @param _to The destination of the transfer
|
||||
/// @param _amount The amount of the transfer
|
||||
/// @return False if the controller does not authorize the transfer
|
||||
function onTransfer(address _from, address _to, uint _amount) returns(bool);
|
||||
|
||||
/// @notice Notifies the controller about an approval allowing the
|
||||
/// controller to react if desired
|
||||
/// @param _owner The address that calls `approve()`
|
||||
/// @param _spender The spender in the `approve()` call
|
||||
/// @param _amount The amount in the `approve()` call
|
||||
/// @return False if the controller does not authorize the approval
|
||||
function onApprove(address _owner, address _spender, uint _amount)
|
||||
returns(bool);
|
||||
}
|
||||
|
|
@ -20,8 +20,9 @@
|
|||
"elliptic": "^6.4.0"
|
||||
},
|
||||
"dependencies": {
|
||||
"embark": "^2.7.0",
|
||||
"elliptic-curve": "^0.1.0",
|
||||
"ethereumjs-util": "^5.1.5"
|
||||
"embark": "^2.7.0",
|
||||
"ethereumjs-util": "^5.1.5",
|
||||
"web3": "^1.0.0-beta.34"
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,131 @@
|
|||
// Run with node test/messageTribute-signed.js
|
||||
|
||||
const Web3 = require('web3');
|
||||
const MiniMeTokenFactoryJson = require('../dist/contracts/MiniMeTokenFactory.json');
|
||||
const MiniMeTokenJson = require('../dist/contracts/MiniMeToken.json');
|
||||
const MessageTributeJson = require('../dist/contracts/MessageTribute.json');
|
||||
|
||||
async function execute(){
|
||||
let connectionURL = 'ws://localhost:8546';
|
||||
const web3 = new Web3(connectionURL);
|
||||
|
||||
accounts = await web3.eth.getAccounts();
|
||||
|
||||
let MiniMeTokenFactory = new web3.eth.Contract(MiniMeTokenFactoryJson.abi, null, {data: '0x' + MiniMeTokenFactoryJson.code});
|
||||
MiniMeTokenFactory = await MiniMeTokenFactory.deploy({arguments: []}).send({from: accounts[0], gasLimit: 7000000});
|
||||
|
||||
let MiniMeToken = new web3.eth.Contract(MiniMeTokenJson.abi, null, {data: '0x' + MiniMeTokenJson.code});
|
||||
MiniMeToken = await MiniMeToken.deploy({arguments: [
|
||||
MiniMeTokenFactory.options.address,
|
||||
"0x0",
|
||||
"0x0",
|
||||
"Status Test Token",
|
||||
18,
|
||||
"STT",
|
||||
true]}).send({from: accounts[0], gasLimit: 7000000});
|
||||
|
||||
let SNT = MiniMeToken;
|
||||
|
||||
let MessageTribute = new web3.eth.Contract(MessageTributeJson.abi, null, {data: '0x' + MessageTributeJson.code});
|
||||
MessageTribute = await MessageTribute.deploy({arguments: [MiniMeToken.options.address]})
|
||||
.send({from: accounts[0], gasLimit: 7000000});
|
||||
|
||||
|
||||
|
||||
|
||||
const secret = "0x0000000000000000000000000000000000000000000000000000000000123456";
|
||||
|
||||
await SNT.methods.generateTokens(accounts[0], 5000).send({from: accounts[0], gasLimit: 500000});
|
||||
await SNT.methods.generateTokens(accounts[1], 5000).send({from: accounts[0], gasLimit: 500000});
|
||||
|
||||
|
||||
|
||||
|
||||
// ==================================================================================
|
||||
// Actual logic starts here
|
||||
// ==================================================================================
|
||||
|
||||
// Account 0 sets a tribute to everyone
|
||||
let receipt = await MessageTribute.methods
|
||||
.setRequiredTribute("0x0000000000000000000000000000000000000000", 200, true)
|
||||
.send({from: accounts[0]});
|
||||
|
||||
// Account 1 checks if there's a tribute set
|
||||
const fee = web3.utils.toBN(await MessageTribute.methods.getRequiredFee(accounts[0]).call({from: accounts[1]}));
|
||||
|
||||
if(fee.gt(0)){ // There's a fee
|
||||
|
||||
// Allow amount transfer
|
||||
receipt = await SNT.methods.approve(accounts[0], fee).send({from: accounts[1], gasLimit: 700000});
|
||||
|
||||
// Create message to sign
|
||||
const timeLimit = (Date.now() + 0) / 1000;
|
||||
const hashedSecret = web3.utils.soliditySha3(accounts[0], secret);
|
||||
let message = await MessageTribute.methods.getRequestAudienceHash(accounts[0], hashedSecret, timeLimit).call()
|
||||
|
||||
// We prepare a message to be sent via whisper
|
||||
let requestPayload = {
|
||||
"type": "request-audience",
|
||||
"requestorSignature": await web3.eth.sign(message, accounts[1]),
|
||||
"requestor": accounts[1],
|
||||
"secret": secret,
|
||||
"timeLimit": timeLimit
|
||||
}
|
||||
|
||||
// Assume `requestPayload` is a message sent to account0 from account1 using asym key, and topic :tribute
|
||||
// account0 receives the message, and if the type is "request-audience" prepares its reply
|
||||
|
||||
const approve = true;
|
||||
const waive = false;
|
||||
const requestorSignatureHash = web3.utils.soliditySha3(requestPayload.requestorSignature);
|
||||
message = await MessageTribute.methods.getGrantAudienceHash(requestorSignatureHash, approve, waive, secret).call()
|
||||
|
||||
// We prepare a reply to be sent via whisper
|
||||
let grantPayload = {
|
||||
"type": "grant-audience",
|
||||
"grantorSignature": await web3.eth.sign(message, accounts[0]),
|
||||
"approve": approve,
|
||||
"waive": waive,
|
||||
"secret": secret
|
||||
}
|
||||
|
||||
// The requestor, account1, would receive the message and invoke grantAudience
|
||||
receipt = await MessageTribute.methods.grantAudience(grantPayload.approve,
|
||||
grantPayload.waive,
|
||||
grantPayload.secret,
|
||||
requestPayload.timeLimit,
|
||||
requestPayload.requestorSignature,
|
||||
grantPayload.grantorSignature).send({from: accounts[1], gasLimit: 5000000});
|
||||
|
||||
// AudienceGranted contains details if audience was granted or not
|
||||
console.dir(receipt.events.AudienceGranted);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
process.exit();
|
||||
}
|
||||
|
||||
execute();
|
||||
|
||||
|
||||
|
||||
|
||||
/*
|
||||
|
||||
|
||||
/*
|
||||
|
||||
7. And then, on the requester client, after receiving this whisper message the status app will call `grantAudience` and listen for the `AudienceGranted` method.
|
||||
|
||||
Steps 4, 5, 6, 7 which involve whisper messaging and signatures would be done in the background. This is an equivalent of a protocol handshake.
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
});
|
||||
|
||||
|
||||
|
||||
});*/
|
||||
Loading…
Reference in New Issue