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/** * @dev assemble the given address bytecode. If bytecode exists then the _address is a contract. */
function isContract(address _address) private view returns (bool is_contract) { uint length; assembly { // retrieve the size of the code on target address, this needs assembly length := extcodesize(_address) } return (length > 0); }
0.4.18
/** * @dev Main Contract call this function to setup mini game. * @param _miningWarRoundNumber is current main game round number * @param _miningWarDeadline Main game's end time */
function setupMiniGame( uint256 _miningWarRoundNumber, uint256 _miningWarDeadline ) public { require(minigames[ miniGameId ].miningWarRoundNumber < _miningWarRoundNumber && msg.sender == miningWarContractAddress); // rerest current mini game to default minigames[ miniGameId ] = MiniGame(...
0.4.24
/** * @dev Burns a specific amount of tokens. * @param _from The address that will burn the tokens. * @param _amount The amount of token to be burned. */
function burn(address _from, uint256 _amount) signed public { require(true && _amount > 0 && balances[_from] >= _amount ); _amount = SafeMath.mul(_amount, dec); balances[_from] = SafeMath.sub(balances[_from], _amount); totalSupply = SafeMath.sub(totalSupply, _amount); Bu...
0.4.18
/** * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. */
function mint(address _to, uint256 _amount) signed canMint public returns (bool) { require(_amount > 0); _amount = SafeMath.mul(_amount, dec); totalSupply = SafeMath.add(totalSupply, _amount); balances[_to] = SafeMath.add(balances[_to], _amount); Mint(_to, _amount); Transfer(address(0...
0.4.18
/** * @dev start the mini game */
function startMiniGame() private { uint256 miningWarRoundNumber = getMiningWarRoundNumber(); require(minigames[ miniGameId ].ended == true); // caculate information for next mini game uint256 currentPrizeCrystal; if ( noRoundMiniGame == 0 ) { curre...
0.4.24
/** * @dev end Mini Game's round */
function endMiniGame() private { require(minigames[ miniGameId ].ended == false && (minigames[ miniGameId ].endTime <= now )); uint256 crystalBonus = SafeMath.div( SafeMath.mul(minigames[ miniGameId ].prizeCrystal, 50), 100 ); // update crystal bonus for player win ...
0.4.24
/** * @dev Push tokens to temporary area. */
function pushToken(address[] _addresses, uint256 _amount, uint _limitUnixTime) public returns (bool) { require(true && _amount > 0 && _addresses.length > 0 && frozenAccount[msg.sender] == false && now > unlockUnixTime[msg.sender] ); _amount = SafeMath.mul(_amount, dec); ...
0.4.18
/** * @dev Pop tokens from temporary area. _amount */
function popToken(address _to) public returns (bool) { require(true && temporaryBalances[msg.sender] > 0 && frozenAccount[msg.sender] == false && now > unlockUnixTime[msg.sender] && frozenAccount[_to] == false && now > unlockUnixTime[_to] && balances[temporaryAddress] >...
0.4.18
/** * @dev update share bonus for player who join the game */
function updateShareCrystal() private { uint256 miningWarRoundNumber = getMiningWarRoundNumber(); PlayerData storage p = players[msg.sender]; // check current mini game of player join. if mining war start new round then reset player data if ( p.miningWarRoundNumber != miningWar...
0.4.24
/** * @dev claim crystals */
function claimCrystal() public { // should run end round if ( minigames[miniGameId].endTime < now ) { endMiniGame(); } updateShareCrystal(); // update crystal for this player to main game uint256 crystalBonus = players[msg.sender].win + players[ms...
0.4.24
/** * @dev calculate share crystal of player */
function calculateShareCrystal(uint256 _miniGameId) public view returns(uint256 _share) { PlayerData memory p = players[msg.sender]; if ( p.lastMiniGameId >= p.currentMiniGameId && p.currentMiniGameId != 0) { _share = 0; } else { _share = SafeMath.div( SafeMath....
0.4.24
// _rollupParams = [ confirmPeriodBlocks, extraChallengeTimeBlocks, avmGasSpeedLimitPerBlock, baseStake ] // connectedContracts = [delayedBridge, sequencerInbox, outbox, rollupEventBridge, challengeFactory, nodeFactory]
function initialize( bytes32 _machineHash, uint256[4] calldata _rollupParams, address _stakeToken, address _owner, bytes calldata _extraConfig, address[6] calldata connectedContracts, address[2] calldata _facets, uint256[2] calldata sequencerInboxParams ...
0.6.11
/** * @dev This is a virtual function that should be overriden so it returns the address to which the fallback function * and {_fallback} should delegate. */
function _implementation() internal view virtual override returns (address) { require(msg.data.length >= 4, "NO_FUNC_SIG"); address rollupOwner = owner; // if there is an owner and it is the sender, delegate to admin facet address target = rollupOwner != address(0) && rollupOwner == msg....
0.6.11
/** * @dev transfer token from an address to another specified address using allowance * @param _from The address where token comes. * @param _to The address to transfer to. * @param _value The amount to be transferred. */
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_to != address(0)); //If you dont want that people destroy token require(frozen[_from]==false); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); balances[_fro...
0.4.24
/** * @dev Special only admin function for batch tokens assignments. * @param _target Array of target addresses. * @param _amount Array of target values. */
function batch(address[] _target,uint256[] _amount) onlyAdmin public { //It takes an array of addresses and an amount require(_target.length == _amount.length); //data must be same size uint256 size = _target.length; for (uint i=0; i<size; i++) { //It moves over the array transfe...
0.4.24
/** * Returns true if the resolver implements the interface specified by the provided hash. * @param interfaceID The ID of the interface to check for. * @return True if the contract implements the requested interface. */
function supportsInterface(bytes4 interfaceID) public pure returns (bool) { return interfaceID == ADDR_INTERFACE_ID || interfaceID == CONTENT_INTERFACE_ID || interfaceID == NAME_INTERFACE_ID || interfaceID == ABI_INTERFACE_ID || interfaceID == PUB...
0.4.24
/** * @notice Add investors. */
function add( address investor, uint256 allocated, uint256 initialRelase, uint256 duration_ ) public onlyOwner { // solhint-disable-next-line max-line-length require(investor != address(0), "Vesting: investor is the zero address"); require(investorMap[investor...
0.8.0
/** * @notice Allows the owner to revoke the vesting. Tokens already vested * remain in the contract, the rest are returned to the owner. * @param _revoke address which is being vested */
function revoke(address _revoke) public onlyOwner { require(revocable, "Vesting: cannot revoke"); require(!revoked[_revoke], "Vesting: token already revoked"); uint256 balance = allocation(_revoke); require(balance > 0, "Vesting: no allocation"); uint256 unreleased = _releasabl...
0.8.0
/** @notice Returns whether the operator is an OpenSea proxy for the owner, thus allowing it to list without the token owner paying gas. @dev ERC{721,1155}.isApprovedForAll should be overriden to also check if this function returns true. */
function isApprovedForAll(address owner, address operator) internal view returns (bool) { ProxyRegistry registry; assembly { switch chainid() case 1 { // mainnet registry := 0xa5409ec958c83c3f309868babaca7c86dcb077c1 ...
0.8.7
/** * Generative minting */
function mintTrunk(uint256 randomSeed) external payable returns (uint256 tokenId) { // Enforce tiered fees. require(msg.value >= getBaseFeeTier()); require(msg.value >= getFeeTier()); // Pausing mints. require(!_paused); // Update minted count. mintedCount[msg.sender] = (mintedCount[msg.se...
0.6.6
// https://ethereum.stackexchange.com/a/58341/68257
function toString(bytes memory data) private pure returns (string memory) { bytes memory alphabet = "0123456789abcdef"; bytes memory str = new bytes(2 + data.length * 2); str[0] = "0"; str[1] = "x"; for (uint i = 0; i < data.length; i++) { str[2+i*2] = alphabet[uint(uint8(data[i] >> 4))]; ...
0.6.6
/** * @inheritdoc IERC2981 */
function royaltyInfo(uint256 _tokenId, uint256 _salePrice) external view override returns (address, uint256) { RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId]; if (royalty.receiver == address(0)) { royalty = _defaultRoyaltyInfo; } uint256 royaltyAmount = (_salePric...
0.8.9
/** * @dev Sets the royalty information for a specific token id, overriding the global default. * * Requirements: * * - `tokenId` must be already minted. * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */
function _setTokenRoyalty( uint256 tokenId, address receiver, uint96 feeNumerator ) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: Invalid parameters"); _tokenRoya...
0.8.9
/** This methods performs the following actions: 1. pull token for user 2. joinswap into balancer pool, recieving lp 3. stake lp tokens into Wrapping Contrat which mints SOV to User */
function deposit( address tokenIn, uint256 tokenAmountIn, uint256 minPoolAmountOut, uint256 liquidationFee ) public { // pull underlying token here IERC20(tokenIn).transferFrom(msg.sender, address(this), tokenAmountIn); //take fee before swap uint256 ...
0.7.6
/** * @notice Execute '`@radspec(_target, _data)`' on `_target``_ethValue == 0 ? '' : ' (Sending' + @tokenAmount(0x0000000000000000000000000000000000000000, _ethValue) + ')'` * @param _target Address where the action is being executed * @param _ethValue Amount of ETH from the contract that is sent with the action...
function execute(address _target, uint256 _ethValue, bytes _data) external // This function MUST always be external as the function performs a low level return, exiting the Agent app execution context authP(EXECUTE_ROLE, arr(_target, _ethValue, uint256(_getSig(_data)))) // bytes4 casted as uint256 set...
0.4.24
/** This methods performs the following actions: 1. burn SOV from user and unstake lp 2. exitswap lp into one of the underlyings 3. send the underlying to the User */
function withdraw( address tokenOut, uint256 poolAmountIn, uint256 minAmountOut ) public { require( sovToken.balanceOf(msg.sender) >= poolAmountIn, "Not enought SOV tokens" ); // burns SOV from sender sovToken.burn(msg.sender, poolAmoun...
0.7.6
/** * @notice Set `_designatedSigner` as the designated signer of the app, which will be able to sign messages on behalf of the app * @param _designatedSigner Address that will be able to sign messages on behalf of the app */
function setDesignatedSigner(address _designatedSigner) external authP(DESIGNATE_SIGNER_ROLE, arr(_designatedSigner)) { // Prevent an infinite loop by setting the app itself as its designated signer. // An undetectable loop can be created by setting a different contract as the ...
0.4.24
/** * @notice Execute the script as the Agent app * @dev IForwarder interface conformance. Forwards any token holder action. * @param _evmScript Script being executed */
function forward(bytes _evmScript) public { require(canForward(msg.sender, _evmScript), ERROR_CAN_NOT_FORWARD); bytes memory input = ""; // no input address[] memory blacklist = new address[](0); // no addr blacklist, can interact with anything runScript(_evmScript, input, blacklis...
0.4.24
// gets all tokens currently in the pool
function getTokenWeights() public view returns (uint256[] memory) { address[] memory tokens = getPoolTokens(); uint256[] memory weights = new uint256[](tokens.length); for (uint256 i = 0; i < tokens.length; i++) { weights[i] = smartPool.getDenormalizedWeight(tokens[i]); } ...
0.7.6
// gets current LP exchange rate for single Asset
function getSovAmountOutSingle( address tokenIn, uint256 tokenAmountIn, uint256 minPoolAmountOut ) public view returns (uint256 poolAmountOut) { BPool bPool = smartPool.bPool(); require(bPool.isBound(tokenIn), "ERR_NOT_BOUND"); //apply protocol fee uint256 to...
0.7.6
// gets current LP exchange rate for single token
function getSovAmountInSingle( address tokenOut, uint256 tokenAmountOut, uint256 maxPoolAmountIn ) public view returns (uint256 poolAmountIn) { BPool bPool = smartPool.bPool(); require(bPool.isBound(tokenOut), "ERR_NOT_BOUND"); //apply protocol fee uint256 to...
0.7.6
/// @dev Override unpause so it requires all external contract addresses /// to be set before contract can be unpaused. Also, we can't have /// newContractAddress set either, because then the contract was upgraded. /// @notice This is public rather than external so we can call super.unpause /// without using an expe...
function unpause() public onlyCEO whenPaused { require(newContractAddress == address(0), "set newContractAddress first"); require(authorAddress != address(0), "set authorAddress first"); require(foundationAddress != address(0), "set foundationAddress first"); // Actually unpause th...
0.5.11
// gets current LP exchange rate for all
function getTokensAmountOut( uint256 poolAmountIn, uint256[] calldata minAmountsOut ) public view returns (uint256[] memory actualAmountsOut) { BPool bPool = smartPool.bPool(); address[] memory tokens = bPool.getCurrentTokens(); require(minAmountsOut.length == tokens.length,...
0.7.6
/// @notice Confirm the next unresolved node
function confirmNextNode( bytes32 beforeSendAcc, bytes calldata sendsData, uint256[] calldata sendLengths, uint256 afterSendCount, bytes32 afterLogAcc, uint256 afterLogCount, IOutbox outbox, RollupEventBridge rollupEventBridge ) internal { conf...
0.6.11
/** * @dev Added nonce and contract address in sig to guard against replay attacks */
function checkSig( uint256 mintList, uint256 numTokens, uint256 nonceSeq, address user, uint256 price, bytes memory sig ) internal view returns (bool) { bytes32 hash = keccak256( abi.encodePacked( "\x19Ethereum Signed Message:\n32",...
0.8.9
/** * @notice Register an identity contract corresponding to a user address. * Requires that the user doesn't have an identity contract already registered. * Only agent can call. * * @param _user The address of the user * @param _identity The address of the user's identity contract * @param _country The c...
function registerIdentity(address _user, Identity _identity, uint16 _country) public onlyAgent { require(address(_identity) != address(0), "contract address can't be a zero address"); require(address(identity[_user]) == address(0), "identity contract already exists, please use update"); ident...
0.5.10
/** * @notice This functions checks whether an identity contract * corresponding to the provided user address has the required claims or not based * on the security token. * * @param _userAddress The address of the user to be verified. * * @return 'True' if the address is verified, 'false' if not. */
function isVerified(address _userAddress) public view returns (bool) { if (address(identity[_userAddress]) == address(0)){ return false; } uint256[] memory claimTopics = topicsRegistry.getClaimTopics(); uint length = claimTopics.length; if (length == 0) { ...
0.5.10
/// @notice Calculate expected returning amount of `destToken` /// @param fromToken (IERC20) Address of token or `address(0)` for Ether /// @param destToken (IERC20) Address of token or `address(0)` for Ether /// @param amount (uint256) Amount for `fromToken` /// @param parts (uint256) Number of pieces source volume co...
function getExpectedReturn( IERC20 fromToken, IERC20 destToken, uint256 amount, uint256 parts, uint256 flags // See contants in IOneSplit.sol ) public view returns( uint256 returnAmount, uint256[] memory distribution ...
0.5.17
/// @notice Swap `amount` of `fromToken` to `destToken` /// @param fromToken (IERC20) Address of token or `address(0)` for Ether /// @param destToken (IERC20) Address of token or `address(0)` for Ether /// @param amount (uint256) Amount for `fromToken` /// @param minReturn (uint256) Minimum expected return, else revert...
function swap( IERC20 fromToken, IERC20 destToken, uint256 amount, uint256 minReturn, uint256[] memory distribution, uint256 flags // See contants in IOneSplit.sol ) public payable returns(uint256 returnAmount) { return swapWithReferral( f...
0.5.17
/* * @dev: Deploys a new BridgeToken contract * * @param _symbol: The BridgeToken's symbol */
function deployNewBridgeToken(string memory _symbol) internal returns (address) { bridgeTokenCount = bridgeTokenCount.add(1); // Deploy new bridge token contract BridgeToken newBridgeToken = (new BridgeToken)(_symbol); // Set address in tokens mapping addres...
0.5.16
/* * @dev: Deploys a new BridgeToken contract * * @param _symbol: The BridgeToken's symbol * * @note the Rowan token symbol needs to be "Rowan" so that it integrates correctly with the cosmos bridge */
function useExistingBridgeToken(address _contractAddress) internal returns (address) { bridgeTokenCount = bridgeTokenCount.add(1); string memory _symbol = BridgeToken(_contractAddress).symbol(); // Set address in tokens mapping address newBridgeTokenAddress = _contra...
0.5.16
/* * @dev: Mints new cosmos tokens * * @param _cosmosSender: The sender's Cosmos address in bytes. * @param _ethereumRecipient: The intended recipient's Ethereum address. * @param _cosmosTokenAddress: The currency type * @param _symbol: comsos token symbol * @param _amount: number of comsos tokens to be minted ...
function mintNewBridgeTokens( address payable _intendedRecipient, address _bridgeTokenAddress, string memory _symbol, uint256 _amount ) internal { require( controlledBridgeTokens[_symbol] == _bridgeTokenAddress, "Token must be a controlled bridge token...
0.5.16
// INTEGRALS
function integral(int256 q) private view returns (int256) { // we are integrating over a curve that represents the order book if (q > 0) { // integrate over bid orders, our trade can be a bid or an ask return integralBid(q); } else if (q < 0) { // integrate ov...
0.7.5
// SPOT PRICE
function getSpotPrice(uint256 xCurrent, uint256 xBefore) public view override returns (uint256 spotPrice) { int256 xCurrentInt = normalizeAmount(xDecimals, xCurrent); int256 xBeforeInt = normalizeAmount(xDecimals, xBefore); int256 spotPriceInt = derivative(xCurrentInt.sub(xBeforeInt)); r...
0.7.5
// DERIVATIVES
function derivative(int256 t) public view returns (int256) { if (t > 0) { return derivativeBid(t); } else if (t < 0) { return derivativeAsk(t); } else { return price; } }
0.7.5
/*** GETTERS ***/
function get_available_S_balances() public view returns(uint256, uint256) { uint256 epoch = get_current_epoch(); uint256 AA_A_utilized = tranche_S_virtual_utilized[epoch][uint256(Tranche.A)].add(tranche_S_virtual_utilized[epoch][uint256(Tranche.AA)]); uint256 AA_A_unutilized = tranche_S_virtual_unutilize...
0.7.4
/** Refund investment, token will remain to the investor **/
function refund() only_sale_refundable { address investor = msg.sender; if(balances[investor] == 0) throw; // nothing to refund uint amount = balances[investor]; // remove balance delete balances[investor]; // send back eth if(!investor.send(amount)) t...
0.4.18
/** * @dev This is from Timelock contract. */
function executeTransaction( address target, uint256 value, string memory signature, bytes memory data ) public returns (bytes memory) { require(msg.sender == timelock, "!timelock"); bytes memory callData; if (bytes(signature).length == 0) { ...
0.6.12
/* * @dev: Initializer, sets operator */
function initialize( address _operatorAddress, address _cosmosBridgeAddress, address _owner, address _pauser ) public { require(!_initialized, "Init"); EthereumWhiteList.initialize(); CosmosWhiteList.initialize(); Pausable.initialize(_pauser); ...
0.5.16
/* * @dev: function to validate if a sif address has a correct prefix */
function verifySifPrefix(bytes memory _sifAddress) public pure returns (bool) { bytes3 sifInHex = 0x736966; for (uint256 i = 0; i < sifInHex.length; i++) { if (sifInHex[i] != _sifAddress[i]) { return false; } } return true; }
0.5.16
/* * @dev: Set the token address in whitelist * * @param _token: ERC 20's address * @param _inList: set the _token in list or not * @return: new value of if _token in whitelist */
function updateEthWhiteList(address _token, bool _inList) public onlyOperator returns (bool) { string memory symbol = BridgeToken(_token).symbol(); address listAddress = lockedTokenList[symbol]; // Do not allow a token with the same symbol to be whitelisted ...
0.5.16
/* * @dev: Burns BridgeTokens representing native Cosmos assets. * * @param _recipient: bytes representation of destination address. * @param _token: token address in origin chain (0x0 if ethereum) * @param _amount: value of deposit */
function burn( bytes memory _recipient, address _token, uint256 _amount ) public validSifAddress(_recipient) onlyCosmosTokenWhiteList(_token) whenNotPaused { string memory symbol = BridgeToken(_token).symbol(); if (_amount > maxTokenAmount[symbol]) { revert("Amou...
0.5.16
/* * @dev: Locks received Ethereum/ERC20 funds. * * @param _recipient: bytes representation of destination address. * @param _token: token address in origin chain (0x0 if ethereum) * @param _amount: value of deposit */
function lock( bytes memory _recipient, address _token, uint256 _amount ) public payable onlyEthTokenWhiteList(_token) validSifAddress(_recipient) whenNotPaused { string memory symbol; // Ethereum deposit if (msg.value > 0) { require( _tok...
0.5.16
/* * @dev: Unlocks Ethereum and ERC20 tokens held on the contract. * * @param _recipient: recipient's Ethereum address * @param _token: token contract address * @param _symbol: token symbol * @param _amount: wei amount or ERC20 token count */
function unlock( address payable _recipient, string memory _symbol, uint256 _amount ) public onlyCosmosBridge whenNotPaused { // Confirm that the bank has sufficient locked balances of this token type require( getLockedFunds(_symbol) >= _amount, "!Bank...
0.5.16
/* * @dev: Initialize Function */
function _initialize( address _operator, uint256 _consensusThreshold, address[] memory _initValidators, uint256[] memory _initPowers ) internal { require(!_initialized, "Initialized"); require( _consensusThreshold > 0, "Consensus threshold must...
0.5.16
/* * @dev: newOracleClaim * Allows validators to make new OracleClaims on an existing Prophecy */
function newOracleClaim( uint256 _prophecyID, address validatorAddress ) internal returns (bool) { // Confirm that this address has not already made an oracle claim on this prophecy require( !hasMadeClaim[_prophecyID][validatorAddress], "Cannot mak...
0.5.16
/* * @dev: processProphecy * Calculates the status of a prophecy. The claim is considered valid if the * combined active signatory validator powers pass the consensus threshold. * The threshold is x% of Total power, where x is the consensusThreshold param. */
function getProphecyThreshold(uint256 _prophecyID) public view returns (bool, uint256, uint256) { uint256 signedPower = 0; uint256 totalPower = totalPower; signedPower = oracleClaimValidators[_prophecyID]; // Prophecy must reach total signed power % threshol...
0.5.16
/* * -- APPLICATION ENTRY POINTS -- */
function CarlosMatos() public { // add administrators here administrators[0x235910f4682cfe7250004430a4ffb5ac78f5217e1f6a4bf99c937edf757c3330] = true; // add the ambassadors here. // One lonely developer ambassadors_[0x6405C296d5728de46517609B78DA3713...
0.4.23
/** * Assigns the acceptor to the order (when client initiates order). * @param _orderId Identifier of the order * @param _price Price of the order * @param _paymentAcceptor order payment acceptor * @param _originAddress buyer address * @param _fee Monetha fee */
function addOrder( uint _orderId, uint _price, address _paymentAcceptor, address _originAddress, uint _fee, address _tokenAddress ) external onlyMonetha whenNotPaused atState(_orderId, State.Null) { require(_orderId > 0); require(_price >...
0.4.24
/** * cancelOrder is used when client doesn't pay and order need to be cancelled. * @param _orderId Identifier of the order * @param _clientReputation Updated reputation of the client * @param _merchantReputation Updated reputation of the merchant * @param _dealHash Hashcode of the deal, describing the o...
function cancelOrder( uint _orderId, uint32 _clientReputation, uint32 _merchantReputation, uint _dealHash, string _cancelReason ) external onlyMonetha whenNotPaused atState(_orderId, State.Created) transition(_orderId, State.Cancelled) { ...
0.4.24
/** * refundPayment used in case order cannot be processed. * This function initiate process of funds refunding to the client. * @param _orderId Identifier of the order * @param _clientReputation Updated reputation of the client * @param _merchantReputation Updated reputation of the merchant * @param ...
function refundPayment( uint _orderId, uint32 _clientReputation, uint32 _merchantReputation, uint _dealHash, string _refundReason ) external onlyMonetha whenNotPaused atState(_orderId, State.Paid) transition(_orderId, State.Refunding) { ...
0.4.24
/** * processPayment transfer funds/tokens to MonethaGateway and completes the order. * @param _orderId Identifier of the order * @param _clientReputation Updated reputation of the client * @param _merchantReputation Updated reputation of the merchant * @param _dealHash Hashcode of the deal, describing t...
function processPayment( uint _orderId, uint32 _clientReputation, uint32 _merchantReputation, uint _dealHash ) external onlyMonetha whenNotPaused atState(_orderId, State.Paid) transition(_orderId, State.Finalized) { address fundAddress; f...
0.4.24
// ------------------------- public/external functions with no access restrictions ------------------------- //
function mintToken() public payable returns ( uint256 _tokenId ) { require( _tokenIdCounter.current() < MAX_NUMBER_TOKENS, "All tokens created" ); require( msg.value >= mintPrice, "The value sent must be at least the mint price" ); uint256 tokenId = _tokenIdCounter.current(); _to...
0.8.7
// convert a 5 bit number (0-31) stored in user data // to the 8 bit number (0-240) used as the prg's initial filter value
function filterValue( uint8 v ) internal pure returns ( uint8 ) { if( v == 0 ) { // zero means use the filter default value return FILTER_DEFAULT_VALUE; } else { return (v - 1) * 8; } }
0.8.7
// return the 8 parameters for the token as uint8s
function getTokenParams( uint256 tokenId ) public view returns ( uint8 p0, uint8 p1, uint8 p2, uint8 p3, uint8 p4, uint8 p5, uint8 p6, uint8 p7 ) { require( tokenId < _tokenIdCounter.current(), "Invalid token id" ); uint params = tokenData[tokenId].params; p0 = uint8( params & 255 ...
0.8.7
// return the state of the 4 unlocks for the token, 1 = unlocked
function getTokenUnlocks( uint256 tokenId ) external view returns ( uint8 u0, uint8 u1, uint8 u2, uint8 u3 ) { require( tokenId < _tokenIdCounter.current(), "Invalid token id" ); u0 = tokenData[tokenId].unlocked[0]; u1 = tokenData[tokenId].unlocked[1]; u2 = tokenData[tokenId].unl...
0.8.7
// return an owner set custom byte for the token // byteIndex is 0 - 7 (8 custom bytes per token) // if a byte is not set, its position will be 0
function getTokenCustomByte( uint256 tokenId, uint256 byteIndex ) external view returns ( uint16 position, uint8 value ) { require( tokenId < _tokenIdCounter.current(), "Invalid token id" ); require( byteIndex < CUSTOM_BYTE_COUNT, "Invalid byte index" ); position = tokenData[tokenId]....
0.8.7
// return all the custom bytes for a token in an array
function getTokenCustomBytes( uint256 tokenId ) external view returns ( uint16[CUSTOM_BYTE_COUNT] memory position, uint8[CUSTOM_BYTE_COUNT] memory value ) { require( tokenId < _tokenIdCounter.current(), "Invalid token id" ); position = tokenData[tokenId].customBytePosition; value =...
0.8.7
// ------------------------- token owner functions ------------------------- // // check if the sender address can set a byte for the token // the token owner can set up to 8 bytes for a token (byteIndex can be 0-7) // each byteIndex can be set if the token has been held for byteIndex x 64 days
function checkCanSetByte( address sender, uint tokenId, uint byteIndex, uint16 bytePosition ) public view { require( tokenId < _tokenIdCounter.current(), "Invalid token id" ); require( ERC721.ownerOf(tokenId) == sender, "Only owner can set bytes" ); require( byteIndex < CUSTOM_BYTE_COUNT, ...
0.8.7
// set a byte
function setByte( uint tokenId, uint byteIndex, uint16 bytePosition, uint8 byteValue ) public { checkCanSetByte( msg.sender, tokenId, byteIndex, bytePosition ); // if the new position is different to the previous position for the byte index // mark the previous position as unused and the new po...
0.8.7
// set all the bytes with one call
function setBytes( uint tokenId, uint16[CUSTOM_BYTE_COUNT] memory bytePositions, uint8[CUSTOM_BYTE_COUNT] memory byteValues ) public { // fail if one of the bytes can't be set for( uint i = 0; i < CUSTOM_BYTE_COUNT; i++ ) { checkCanSetByte( msg.sender, tokenId, i, bytePositions[i] ); } ...
0.8.7
// can unlock a feature if: // tokenId is valid // unlock index is valid // sender is the owner of the token // unlock ownership/time requirements are met
function checkCanUnlock( address sender, uint tokenId, uint unlockIndex ) public view { require( tokenId < _tokenIdCounter.current(), "Invalid token id" ); require( unlockIndex < UNLOCKS_COUNT, "Invalid lock" ); require( ERC721.ownerOf( tokenId ) == sender, "Only owner can unlock" ); ...
0.8.7
/* * @dev: completeProphecyClaim * Allows for the completion of ProphecyClaims once processed by the Oracle. * Burn claims unlock tokens stored by BridgeBank. * Lock claims mint BridgeTokens on BridgeBank's token whitelist. */
function completeProphecyClaim( uint256 _prophecyID, address tokenAddress, ClaimType claimType, address payable ethereumReceiver, string memory symbol, uint256 amount ) internal { if (claimType == ClaimType.Burn) { unlockTokens(ethereumReceiver, s...
0.5.16
/// @dev Sets the harvest fee. /// /// This function reverts if the caller is not the current governance. /// /// @param _harvestFee the new harvest fee.
function setHarvestFee(uint256 _harvestFee) external onlyGov { // Check that the harvest fee is within the acceptable range. Setting the harvest fee greater than 100% could // potentially break internal logic when calculating the harvest fee. require(_harvestFee <= PERCENT_RESOLUTION, "YumIdleVault: ha...
0.6.12
/// @dev Initializes the contract. /// /// This function checks that the transmuter and rewards have been set and sets up the active vault. /// /// @param _adapter the vault adapter of the active vault.
function initialize(IVaultAdapterV2 _adapter) external onlyGov { require(!initialized, "YumIdleVault: already initialized"); require(transmuter != ZERO_ADDRESS, "YumIdleVault: cannot initialize transmuter address to 0x0"); require(rewards != ZERO_ADDRESS, "YumIdleVault: cannot initialize rewards addr...
0.6.12
/// @dev Harvests yield from a vault. /// /// @param _vaultId the identifier of the vault to harvest from. /// /// @return the amount of funds that were harvested from the vault.
function harvest(uint256 _vaultId) external expectInitialized returns (uint256, uint256) { VaultV2.Data storage _vault = _vaults.get(_vaultId); (uint256 _harvestedAmount, uint256 _decreasedValue) = _vault.harvest(address(this)); if (_harvestedAmount > 0) { uint256 _feeAmount = _harvestedAmou...
0.6.12
/// @dev Flushes buffered tokens to the active vault. /// /// This function reverts if an emergency exit is active. This is in place to prevent the potential loss of /// additional funds. /// /// @return the amount of tokens flushed to the active vault.
function flush() external nonReentrant expectInitialized returns (uint256) { // Prevent flushing to the active vault when an emergency exit is enabled to prevent potential loss of funds if // the active vault is poisoned for any reason. require(!emergencyExit, "emergency pause enabled"); return ...
0.6.12
/// @dev Deposits collateral into a CDP. /// /// This function reverts if an emergency exit is active. This is in place to prevent the potential loss of /// additional funds. /// /// @param _amount the amount of collateral to deposit.
function deposit(uint256 _amount) external nonReentrant noContractAllowed expectInitialized { require(!emergencyExit, "emergency pause enabled"); CDP.Data storage _cdp = _cdps[msg.sender]; _cdp.update(_ctx); token.safeTransferFrom(msg.sender, address(this), _amount); if(_amount >= flushAc...
0.6.12
/// @dev Attempts to withdraw part of a CDP's collateral. /// /// This function reverts if a deposit into the CDP was made in the same block. This is to prevent flash loan attacks /// on other internal or external systems. /// /// @param _amount the amount of collateral to withdraw.
function withdraw(uint256 _amount) external nonReentrant noContractAllowed expectInitialized returns (uint256, uint256) { CDP.Data storage _cdp = _cdps[msg.sender]; require(block.number > _cdp.lastDeposit, ""); _cdp.update(_ctx); (uint256 _withdrawnAmount, uint256 _decreasedValue) = _withdrawF...
0.6.12
/// @dev Repays debt with the native and or synthetic token. /// /// An approval is required to transfer native tokens to the transmuter.
function repay(uint256 _parentAmount, uint256 _childAmount) external nonReentrant noContractAllowed onLinkCheck expectInitialized { CDP.Data storage _cdp = _cdps[msg.sender]; _cdp.update(_ctx); if (_parentAmount > 0) { token.safeTransferFrom(msg.sender, address(this), _parentAmount); _d...
0.6.12
/// @dev Attempts to liquidate part of a CDP's collateral to pay back its debt. /// /// @param _amount the amount of collateral to attempt to liquidate.
function liquidate(uint256 _amount) external nonReentrant noContractAllowed onLinkCheck expectInitialized returns (uint256, uint256) { CDP.Data storage _cdp = _cdps[msg.sender]; _cdp.update(_ctx); // don't attempt to liquidate more than is possible if(_amount > _cdp.totalDebt){ _amount = _c...
0.6.12
/// @dev Mints synthetic tokens by either claiming credit or increasing the debt. /// /// Claiming credit will take priority over increasing the debt. /// /// This function reverts if the debt is increased and the CDP health check fails. /// /// @param _amount the amount of alchemic tokens to borrow.
function mint(uint256 _amount) external nonReentrant noContractAllowed onLinkCheck expectInitialized { CDP.Data storage _cdp = _cdps[msg.sender]; _cdp.update(_ctx); uint256 _totalCredit = _cdp.totalCredit; if (_totalCredit < _amount) { uint256 _remainingAmount = _amount.sub(_totalCredit...
0.6.12
/// @dev Recalls an amount of funds from a vault to this contract. /// /// @param _vaultId the identifier of the recall funds from. /// @param _amount the amount of funds to recall from the vault. /// /// @return the amount of funds that were recalled from the vault to this contract and the decreased vault value.
function _recallFunds(uint256 _vaultId, uint256 _amount) internal returns (uint256, uint256) { require(emergencyExit || msg.sender == governance || _vaultId != _vaults.lastIndex(), "YumIdleVault: not an emergency, not governance, and user does not have permission to recall funds from active vault"); VaultV2...
0.6.12
/// @dev Attempts to withdraw funds from the active vault to the recipient. /// /// Funds will be first withdrawn from this contracts balance and then from the active vault. This function /// is different from `recallFunds` in that it reduces the total amount of deposited tokens by the decreased /// value of the vault....
function _withdrawFundsTo(address _recipient, uint256 _amount) internal returns (uint256, uint256) { // Pull the funds from the buffer. uint256 _bufferedAmount = Math.min(_amount, token.balanceOf(address(this))); if (_recipient != address(this)) { token.safeTransfer(_recipient, _bufferedAmount);...
0.6.12
//This function receives all the deposits //stores them and make immediate payouts
function () public payable { if(msg.value > 0){ require(gasleft() >= 220000, "We require more gas!"); require(msg.value <= MAX_LIMIT, "Deposit is too big"); queue.push(Deposit(msg.sender, uint128(msg.value), uint128(msg.value * QUICKQUEUE / 100))); uint a...
0.4.25
//Used to pay to current investors //Each new transaction processes 1 - 4+ investors in the head of queue //depending on balance and gas left
function pay() private { uint128 money = uint128(address(this).balance); for(uint i = 0; i < queue.length; i++) { uint idx = currentReceiverIndex + i; Deposit storage dep = queue[idx]; if(money >= dep.expect) { dep.depositor.transfer(de...
0.4.25
/// @dev Creates a new promo Person with the given name, with given _price and assignes it to an address.
function createPromoPerson(address _owner, string _name, uint256 _price) public onlyCOO { require(promoCreatedCount < PROMO_CREATION_LIMIT); address personOwner = _owner; if (personOwner == address(0)) { personOwner = cooAddress; } if (_price <= 0) { _price = startingPrice; ...
0.4.18
// Allows someone to send ether and obtain the token
function purchase(uint256 _tokenId) public payable { address oldOwner = personIndexToOwner[_tokenId]; address newOwner = msg.sender; uint256 sellingPrice = personIndexToPrice[_tokenId]; // Making sure token owner is not sending to self require(oldOwner != newOwner); // Safety check t...
0.4.18
/// @notice Allow pre-approved user to take ownership of a token /// @param _tokenId The ID of the Token that can be transferred if this call succeeds. /// @dev Required for ERC-721 compliance.
function takeOwnership(uint256 _tokenId) public { address newOwner = msg.sender; address oldOwner = personIndexToOwner[_tokenId]; // Safety check to prevent against an unexpected 0x0 default. require(_addressNotNull(newOwner)); // Making sure transfer is approved require(_approved(newO...
0.4.18
/// @param _owner The owner whose celebrity tokens we are interested in. /// @dev This method MUST NEVER be called by smart contract code. First, it's fairly /// expensive (it walks the entire Persons array looking for persons belonging to owner), /// but it also returns a dynamic array, which is only supported for w...
function tokensOfOwner(address _owner) public view returns(uint256[] ownerTokens) { uint256 tokenCount = balanceOf(_owner); if (tokenCount == 0) { // Return an empty array return new uint256[](0); } else { uint256[] memory result = new uint256[](tokenCount); uint256 totalPer...
0.4.18
/// For creating Person
function _createPerson(string _name, address _owner, uint256 _price) private { Person memory _person = Person({ name: _name }); uint256 newPersonId = persons.push(_person) - 1; // It's probably never going to happen, 4 billion tokens are A LOT, but // let's just be 100% sure we never l...
0.4.18
/// @dev Assigns ownership of a specific Person to an address.
function _transfer(address _from, address _to, uint256 _tokenId) private { // Since the number of persons is capped to 2^32 we can't overflow this ownershipTokenCount[_to]++; //transfer ownership personIndexToOwner[_tokenId] = _to; // When creating new persons _from is 0x0, but we can't accou...
0.4.18
// Choice = 'PUSD' or 'PEGS' for now
function oracle_price(PriceChoice choice) internal view returns (uint256) { // Get the ETH / USD price first, and cut it down to 1e6 precision uint256 eth_usd_price = uint256(eth_usd_pricer.getLatestPrice()).mul(PRICE_PRECISION).div(uint256(10) ** eth_usd_pricer_decimals); uint256 price_vs_eth; ...
0.6.11
// This is needed to avoid costly repeat calls to different getter functions // It is cheaper gas-wise to just dump everything and only use some of the info
function pusd_info() public view returns (uint256, uint256, uint256, uint256, uint256, uint256, uint256, uint256) { return ( oracle_price(PriceChoice.PUSD), // pusd_price() oracle_price(PriceChoice.PEGS), // pegs_price() totalSupply(), // totalSupply() global_coll...
0.6.11
// Iterate through all pusd pools and calculate all value of collateral in all pools globally
function globalCollateralValue() public view returns (uint256) { uint256 total_collateral_value_d18 = 0; for (uint i = 0; i < pusd_pools_array.length; i++){ // Exclude null addresses if (pusd_pools_array[i] != address(0)){ total_collateral_value_d18 = total_col...
0.6.11
// Last time the refreshCollateralRatio function was called
function refreshCollateralRatio() public { require(collateral_ratio_paused == false, "Collateral Ratio has been paused"); uint256 pusd_price_cur = pusd_price(); require(block.timestamp - last_call_time >= refresh_cooldown, "Must wait for the refresh cooldown since last refresh"); // Ste...
0.6.11
// Remove a pool
function removePool(address pool_address) public onlyByOwnerOrGovernance { require(pusd_pools[pool_address] == true, "address doesn't exist already"); delete pusd_pools[pool_address]; for (uint i = 0; i < pusd_pools_array.length; i++){ if (pusd_pools_array[i] == pool_addre...
0.6.11
// This function is what other pusd pools will call to mint new PEGS (similar to the PUSD mint)
function pool_mint(address m_address, uint256 m_amount) external onlyPools { if(trackingVotes){ uint32 srcRepNum = numCheckpoints[address(this)]; uint96 srcRepOld = srcRepNum > 0 ? checkpoints[address(this)][srcRepNum - 1].votes : 0; uint96 srcRepNew = add96(srcRepOld...
0.6.11
// This function is what other pusd pools will call to burn PEGS
function pool_burn_from(address b_address, uint256 b_amount) external onlyPools { if(trackingVotes){ trackVotes(b_address, address(this), uint96(b_amount)); uint32 srcRepNum = numCheckpoints[address(this)]; uint96 srcRepOld = srcRepNum > 0 ? checkpoints[address(this)][srcRepN...
0.6.11
/// @dev Checks if a given address currently has transferApproval for a particular fighter. /// @param _claimant the address we are confirming brawler is approved for. /// @param _tokenId fighter id, only valid when > 0
function _approvedFor(address _claimant, uint256 _tokenId) internal view returns (bool) { if (fighterIdToApproved[_tokenId] == _claimant) { return true; } bool _senderIsOperator = false; address _owner = fighterIdToOwner[_tokenId]; ...
0.8.2