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Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0xEe4ae5cC...1EB7c1AA1 The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
PlasmaVesting
Compiler Version
v0.6.12+commit.27d51765
Contract Source Code (Solidity Multiple files format)
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import "./SafeMath.sol"; contract PlasmaVesting { using SafeMath for uint256; address public ppay; address public recipient; uint256 public vestingAmount; uint256 public vestingBegin; uint256 public vestingCliff; uint256 public vestingEnd; uint256 public lastUpdate; constructor( address ppay_, address recipient_, uint256 vestingAmount_, uint256 vestingBegin_, uint256 vestingCliff_, uint256 vestingEnd_ ) public { require(vestingBegin_ >= block.timestamp, 'PlasmaVesting::constructor: vesting begin too early'); require(vestingCliff_ >= vestingBegin_, 'PlasmaVesting::constructor: cliff is too early'); require(vestingEnd_ > vestingCliff_, 'PlasmaVesting::constructor: end is too early'); ppay = ppay_; recipient = recipient_; vestingAmount = vestingAmount_; vestingBegin = vestingBegin_; vestingCliff = vestingCliff_; vestingEnd = vestingEnd_; lastUpdate = vestingBegin; } function setRecipient(address recipient_) external { require(msg.sender == recipient, 'PlasmaVesting::setRecipient: unauthorized'); recipient = recipient_; } function claim() external returns (bool) { require(block.timestamp >= vestingCliff, 'PlasmaVesting::claim: not time yet'); uint256 amount; if (block.timestamp >= vestingEnd) { amount = IPpay(ppay).balanceOf(address(this)); } else { amount = vestingAmount.mul(block.timestamp - lastUpdate).div(vestingEnd - vestingBegin); lastUpdate = block.timestamp; } return IPpay(ppay).transfer(recipient, amount); } } interface IPpay { function balanceOf(address account) external view returns (uint256); function transfer(address dst, uint256 rawAmount) external returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; // From https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/math/Math.sol // Subject to the MIT license. /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the addition of two unsigned integers, reverting with custom message on overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. */ function add(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, errorMessage); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on underflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot underflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction underflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on underflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot underflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, errorMessage); return c; } /** * @dev Returns the integer division of two unsigned integers. * Reverts on division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. * Reverts with custom message on division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Deployed Bytecode
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Deployed Bytecode Sourcemap
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Swarm Source
ipfs://51fa05ebd53daec732ff4f0f053b8029f8b006070907346980aa5163361e2949
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