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合同元数据
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0.4.18+commit.9cf6e910
语言
Solidity
合同源代码
文件 1 的 1:WaWlletTokenCrowdsale.sol
pragma solidity ^0.4.18;

library SafeMath {

  /**
  * @dev Multiplies two numbers, throws on overflow.
  */
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    if (a == 0) {
      return 0;
    }
    uint256 c = a * b;
    assert(c / a == b);
    return c;
  }

  /**
  * @dev Integer division of two numbers, truncating the quotient.
  */
  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    // assert(b > 0); // Solidity automatically throws when dividing by 0
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold
    return c;
  }

  /**
  * @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
  */
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  /**
  * @dev Adds two numbers, throws on overflow.
  */
  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    assert(c >= a);
    return c;
  }
}

contract FinalizeAgent {

  function isFinalizeAgent() public pure returns(bool) {
    return true;
  }

  /** Return true if we can run finalizeCrowdsale() properly.
   *
   * This is a safety check function that doesn't allow crowdsale to begin
   * unless the finalizer has been set up properly.
   */
  function isSane() public view returns (bool);

  /** Called once by crowdsale finalize() if the sale was success. */
  function finalizeCrowdsale() public;

}

contract Ownable {
  address public owner;


  event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);


  /**
   * @dev The Ownable constructor sets the original `owner` of the contract to the sender
   * account.
   */
  function Ownable() public {
    owner = msg.sender;
  }

  /**
   * @dev Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    require(msg.sender == owner);
    _;
  }

  /**
   * @dev Allows the current owner to transfer control of the contract to a newOwner.
   * @param newOwner The address to transfer ownership to.
   */
  function transferOwnership(address newOwner) public onlyOwner {
    require(newOwner != address(0));
    OwnershipTransferred(owner, newOwner);
    owner = newOwner;
  }

}

contract Haltable is Ownable {
  bool public halted;

  modifier stopInEmergency {
    if (halted) revert();
    _;
  }

  modifier stopNonOwnersInEmergency {
    if (halted && msg.sender != owner) revert();
    _;
  }

  modifier onlyInEmergency {
    if (!halted) revert();
    _;
  }

  // called by the owner on emergency, triggers stopped state
  function halt() external onlyOwner {
    halted = true;
  }

  // called by the owner on end of emergency, returns to normal state
  function unhalt() external onlyOwner onlyInEmergency {
    halted = false;
  }

}

contract CrowdsaleBase is Haltable {

  /* Max investment count when we are still allowed to change the multisig address */
  uint public MAX_INVESTMENTS_BEFORE_MULTISIG_CHANGE = 5;

  using SafeMath for uint;

  /* The token we are selling */
  FractionalERC20 public token;

  /* How we are going to price our offering */
  PricingStrategy public pricingStrategy;

  /* Post-success callback */
  FinalizeAgent public finalizeAgent;

  /* tokens will be transfered from this address */
  address public multisigWallet;

  /* if the funding goal is not reached, investors may withdraw their funds */
  uint public minimumFundingGoal;

  /* the UNIX timestamp start date of the crowdsale */
  uint public startsAt;

  /* the UNIX timestamp end date of the crowdsale */
  uint public endsAt;

  /* the number of tokens already sold through this contract*/
  uint public tokensSold = 0;

  /* How many wei of funding we have raised */
  uint public weiRaised = 0;

  /* Calculate incoming funds from presale contracts and addresses */
  uint public presaleWeiRaised = 0;

  /* How many distinct addresses have invested */
  uint public investorCount = 0;

  /* How much wei we have returned back to the contract after a failed crowdfund. */
  uint public loadedRefund = 0;

  /* How much wei we have given back to investors.*/
  uint public weiRefunded = 0;

  /* Has this crowdsale been finalized */
  bool public finalized;

  /** How much ETH each address has invested to this crowdsale */
  mapping (address => uint256) public investedAmountOf;

  /** How much tokens this crowdsale has credited for each investor address */
  mapping (address => uint256) public tokenAmountOf;

  /** Addresses that are allowed to invest even before ICO offical opens. For testing, for ICO partners, etc. */
  mapping (address => bool) public earlyParticipantWhitelist;

  /** This is for manul testing for the interaction from owner wallet. You can set it to any value and inspect this in blockchain explorer to see that crowdsale interaction works. */
  uint public ownerTestValue;

  /** State machine
   *
   * - Preparing: All contract initialization calls and variables have not been set yet
   * - Prefunding: We have not passed start time yet
   * - Funding: Active crowdsale
   * - Success: Minimum funding goal reached
   * - Failure: Minimum funding goal not reached before ending time
   * - Finalized: The finalized has been called and succesfully executed
   * - Refunding: Refunds are loaded on the contract for reclaim.
   */
  enum State{Unknown, Preparing, PreFunding, Funding, Success, Failure, Finalized, Refunding}

  // A new investment was made
  event Invested(address investor, uint weiAmount, uint tokenAmount, uint128 customerId);

  // Refund was processed for a contributor
  event Refund(address investor, uint weiAmount);

  // The rules were changed what kind of investments we accept
  event InvestmentPolicyChanged(bool newRequireCustomerId, bool newRequiredSignedAddress, address newSignerAddress);

  // Address early participation whitelist status changed
  event Whitelisted(address addr, bool status);

  // Crowdsale end time has been changed
  event EndsAtChanged(uint newEndsAt);

  State public testState;

  function CrowdsaleBase(address _token, PricingStrategy _pricingStrategy, address _multisigWallet, uint _start, uint _end, uint _minimumFundingGoal) public {

    owner = msg.sender;

    token = FractionalERC20(_token);

    setPricingStrategy(_pricingStrategy);

    multisigWallet = _multisigWallet;
    if(multisigWallet == 0) {
        revert();
    }

    if(_start == 0) {
        revert();
    }

    startsAt = _start;

    if(_end == 0) {
        revert();
    }

    endsAt = _end;

    // Don't mess the dates
    if(startsAt >= endsAt) {
        revert();
    }

    // Minimum funding goal can be zero
    minimumFundingGoal = _minimumFundingGoal;
  }

  /**
   * Don't expect to just send in money and get tokens.
   */
  function() payable public {
    revert();
  }

  /**
   * Make an investment.
   *
   * Crowdsale must be running for one to invest.
   * We must have not pressed the emergency brake.
   *
   * @param receiver The Ethereum address who receives the tokens
   * @param customerId (optional) UUID v4 to track the successful payments on the server side'
   *
   * @return tokenAmount How mony tokens were bought
   */
  function investInternal(address receiver, uint128 customerId) stopInEmergency internal returns(uint tokensBought) {

    // Determine if it's a good time to accept investment from this participant
    if(getState() == State.PreFunding) {
      // Are we whitelisted for early deposit
      if(!earlyParticipantWhitelist[receiver]) {
        revert();
      }
    } else if(getState() == State.Funding) {
      // Retail participants can only come in when the crowdsale is running
      // pass
    } else {
      // Unwanted state
      revert();
    }

    uint weiAmount = msg.value;

    // Account presale sales separately, so that they do not count against pricing tranches
    uint tokenAmount = pricingStrategy.calculatePrice(weiAmount, weiRaised - presaleWeiRaised, tokensSold, msg.sender, token.decimals());

    // Dust transaction
    require(tokenAmount != 0);
	
	// set minimum investment
	if(tokenAmount < 50) revert(); 

    if(investedAmountOf[receiver] == 0) {
       // A new investor
       investorCount++;
    }

    // Update investor
    investedAmountOf[receiver] = investedAmountOf[receiver].add(weiAmount);
    tokenAmountOf[receiver] = tokenAmountOf[receiver].add(tokenAmount);

    // Update totals
    weiRaised = weiRaised.add(weiAmount);
    tokensSold = tokensSold.add(tokenAmount);

    if(pricingStrategy.isPresalePurchase(receiver)) {
        presaleWeiRaised = presaleWeiRaised.add(weiAmount);
    }

    // Check that we did not bust the cap
    require(!isBreakingCap(weiAmount, tokenAmount, weiRaised, tokensSold));

    assignTokens(receiver, tokenAmount);

    // Pocket the money, or fail the crowdsale if we for some reason cannot send the money to our multisig
    if(!multisigWallet.send(weiAmount)) revert();

    // Tell us invest was success
    Invested(receiver, weiAmount, tokenAmount, customerId);

    return tokenAmount;
  }

  /**
   * Finalize a succcesful crowdsale.
   *
   * The owner can triggre a call the contract that provides post-crowdsale actions, like releasing the tokens.
   */
  function doFinalize() public inState(State.Success) onlyOwner stopInEmergency {

    // Already finalized
    if(finalized) {
      revert();
    }

    // Finalizing is optional. We only call it if we are given a finalizing agent.
    if(address(finalizeAgent) != 0) {
      finalizeAgent.finalizeCrowdsale();
    }

    finalized = true;
  }

  /**
   * Allow to (re)set finalize agent.
   *
   * Design choice: no state restrictions on setting this, so that we can fix fat finger mistakes.
   */
  function setFinalizeAgent(FinalizeAgent addr) public onlyOwner {
    finalizeAgent = addr;

    // Don't allow setting bad agent
    if(!finalizeAgent.isFinalizeAgent()) {
      revert();
    }
  }

  /**
   * Allow crowdsale owner to close early or extend the crowdsale.
   *
   * This is useful e.g. for a manual soft cap implementation:
   * - after X amount is reached determine manual closing
   *
   * This may put the crowdsale to an invalid state,
   * but we trust owners know what they are doing.
   *
   */
  function setEndsAt(uint time) public onlyOwner {

    if(now > time) {
      revert(); // Don't change past
    }

    if(startsAt > time) {
      revert(); // Prevent human mistakes
    }

    endsAt = time;
    EndsAtChanged(endsAt);
  }

  /**
   * Allow to (re)set pricing strategy.
   *
   * Design choice: no state restrictions on the set, so that we can fix fat finger mistakes.
   */
  function setPricingStrategy(PricingStrategy _pricingStrategy) public onlyOwner {
    pricingStrategy = _pricingStrategy;

    // Don't allow setting bad agent
    if(!pricingStrategy.isPricingStrategy()) {
      revert();
    }
  }

  /**
   * Allow to change the team multisig address in the case of emergency.
   *
   * This allows to save a deployed crowdsale wallet in the case the crowdsale has not yet begun
   * (we have done only few test transactions). After the crowdsale is going
   * then multisig address stays locked for the safety reasons.
   */
  function setMultisig(address addr) public onlyOwner {

    // Change
    if(investorCount > MAX_INVESTMENTS_BEFORE_MULTISIG_CHANGE) {
      revert();
    }

    multisigWallet = addr;
  }

  /**
   * Allow load refunds back on the contract for the refunding.
   *
   * The team can transfer the funds back on the smart contract in the case the minimum goal was not reached..
   */
  function loadRefund() public payable inState(State.Failure) {
    if(msg.value == 0) revert();
    loadedRefund = loadedRefund.add(msg.value);
  }

  /**
   * Investors can claim refund.
   *
   * Note that any refunds from proxy buyers should be handled separately,
   * and not through this contract.
   */
  function refund() public inState(State.Refunding) {
    uint256 weiValue = investedAmountOf[msg.sender];
    if (weiValue == 0) revert();
    investedAmountOf[msg.sender] = 0;
    weiRefunded = weiRefunded.add(weiValue);
    Refund(msg.sender, weiValue);
    if (!msg.sender.send(weiValue)) revert();
  }

  /**
   * @return true if the crowdsale has raised enough money to be a successful.
   */
  function isMinimumGoalReached() public constant returns (bool reached) {
    return weiRaised >= minimumFundingGoal;
  }

  /**
   * Check if the contract relationship looks good.
   */
  function isFinalizerSane() public constant returns (bool sane) {
    return finalizeAgent.isSane();
  }

  /**
   * Check if the contract relationship looks good.
   */
  function isPricingSane() public constant returns (bool sane) {
    return pricingStrategy.isSane(address(this));
  }

  /**
   * Crowdfund state machine management.
   *
   * We make it a function and do not assign the result to a variable, so there is no chance of the variable being stale.
   */
  function getState() public constant returns (State) {
    if(finalized) return State.Finalized;
    else if (address(finalizeAgent) == 0) return State.Preparing;
    else if (!finalizeAgent.isSane()) return State.Preparing;
    else if (!pricingStrategy.isSane(address(this))) return State.Preparing;
    else if (block.timestamp < startsAt) return State.PreFunding;
    else if (block.timestamp <= endsAt && !isCrowdsaleFull()) return State.Funding;
    else if (isMinimumGoalReached()) return State.Success;
    else if (!isMinimumGoalReached() && weiRaised > 0 && loadedRefund >= weiRaised) return State.Refunding;
    else return State.Failure;
  }

  /** This is for manual testing of multisig wallet interaction */
  function setOwnerTestValue(uint val) public onlyOwner {
    ownerTestValue = val;
  }

  /**
   * Allow addresses to do early participation.
   *
   * TODO: Fix spelling error in the name
   */
  function setEarlyParicipantWhitelist(address addr, bool status) public onlyOwner {
    earlyParticipantWhitelist[addr] = status;
    Whitelisted(addr, status);
  }


  /** Interface marker. */
  function isCrowdsale() public pure returns (bool) {
    return true;
  }

  //
  // Modifiers
  //

  /** Modified allowing execution only if the crowdsale is currently running.  */
  modifier inState(State state) {
    if(getState() != state) revert();
    _;
  }


  //
  // Abstract functions
  //

  /**
   * Check if the current invested breaks our cap rules.
   *
   *
   * The child contract must define their own cap setting rules.
   * We allow a lot of flexibility through different capping strategies (ETH, token count)
   * Called from invest().
   *
   * @param weiAmount The amount of wei the investor tries to invest in the current transaction
   * @param tokenAmount The amount of tokens we try to give to the investor in the current transaction
   * @param weiRaisedTotal What would be our total raised balance after this transaction
   * @param tokensSoldTotal What would be our total sold tokens count after this transaction
   *
   * @return true if taking this investment would break our cap rules
   */
  function isBreakingCap(uint weiAmount, uint tokenAmount, uint weiRaisedTotal, uint tokensSoldTotal) public view returns (bool limitBroken);

  /**
   * Check if the current crowdsale is full and we can no longer sell any tokens.
   */
  function isCrowdsaleFull() public view returns (bool);

  /**
   * Create new tokens or transfer issued tokens to the investor depending on the cap model.
   */
  function assignTokens(address receiver, uint tokenAmount) internal;
}

contract ERC20Basic {
  function totalSupply() public view returns (uint256);
  function balanceOf(address who) public view returns (uint256);
  function transfer(address to, uint256 value) public returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
}

contract ERC20 is ERC20Basic {
  function allowance(address owner, address spender) public view returns (uint256);
  function transferFrom(address from, address to, uint256 value) public returns (bool);
  function approve(address spender, uint256 value) public returns (bool);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

contract FractionalERC20 is ERC20 {

  uint public decimals;

}

contract PricingStrategy {

  /** Interface declaration. */
  function isPricingStrategy() public pure returns (bool) {
    return true;
  }

  /** Self check if all references are correctly set.
   *
   * Checks that pricing strategy matches crowdsale parameters.
   */
  function isSane(address /*crowdsale*/) public pure returns (bool) {
    return true;
  }

  /**
   * @dev Pricing tells if this is a presale purchase or not.
     posible purchaser Address of the purchaser
     @return False by default, true if a presale purchaser
   */
  function isPresalePurchase(address /*purchaser*/) public pure returns (bool) {
    return false;
  }

  /**
   * When somebody tries to buy tokens for X eth, calculate how many tokens they get.
   *
   *
   * @param value - What is the value of the transaction send in as wei
   * @param tokensSold - how much tokens have been sold this far
   * @param weiRaised - how much money has been raised this far in the main token sale - this number excludes presale
   * @param msgSender - who is the investor of this transaction
   * @param decimals - how many decimal units the token has
   * @return Amount of tokens the investor receives
   */
  function calculatePrice(uint value, uint weiRaised, uint tokensSold, address msgSender, uint decimals) public view returns (uint tokenAmount);
}

contract BasicToken is ERC20Basic {
  using SafeMath for uint256;

  mapping(address => uint256) balances;

  uint256 totalSupply_;

  /**
  * @dev total number of tokens in existence
  */
  function totalSupply() public view returns (uint256) {
    return totalSupply_;
  }

  /**
  * @dev transfer token for a specified address
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint256 _value) public returns (bool) {
    require(_to != address(0));
    require(_value <= balances[msg.sender]);

    // SafeMath.sub will throw if there is not enough balance.
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
    return true;
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of.
  * @return An uint256 representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) public view returns (uint256 balance) {
    return balances[_owner];
  }

}

contract StandardToken is ERC20, BasicToken {

  mapping (address => mapping (address => uint256)) internal allowed;


  /**
   * @dev Transfer tokens from one address to another
   * @param _from address The address which you want to send tokens from
   * @param _to address The address which you want to transfer to
   * @param _value uint256 the amount of tokens to be transferred
   */
  function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
    require(_to != address(0));
    require(_value <= balances[_from]);
    require(_value <= allowed[_from][msg.sender]);

    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
    Transfer(_from, _to, _value);
    return true;
  }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
   *
   * Beware that changing an allowance with this method brings the risk that someone may use both the old
   * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
   * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint256 _value) public returns (bool) {
    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
    return true;
  }

  /**
   * @dev Function to check the amount of tokens that an owner allowed to a spender.
   * @param _owner address The address which owns the funds.
   * @param _spender address The address which will spend the funds.
   * @return A uint256 specifying the amount of tokens still available for the spender.
   */
  function allowance(address _owner, address _spender) public view returns (uint256) {
    return allowed[_owner][_spender];
  }

  /**
   * @dev Increase the amount of tokens that an owner allowed to a spender.
   *
   * approve should be called when allowed[_spender] == 0. To increment
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param _spender The address which will spend the funds.
   * @param _addedValue The amount of tokens to increase the allowance by.
   */
  function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
    allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

  /**
   * @dev Decrease the amount of tokens that an owner allowed to a spender.
   *
   * approve should be called when allowed[_spender] == 0. To decrement
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param _spender The address which will spend the funds.
   * @param _subtractedValue The amount of tokens to decrease the allowance by.
   */
  function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
    uint oldValue = allowed[msg.sender][_spender];
    if (_subtractedValue > oldValue) {
      allowed[msg.sender][_spender] = 0;
    } else {
      allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
    }
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

}

contract StandardTokenExt is StandardToken {

  /* Interface declaration */
  function isToken() public pure returns (bool weAre) {
    return true;
  }
}

contract MintableToken is StandardTokenExt, Ownable {

  using SafeMath for uint;

  bool public mintingFinished = false;

  /** List of agents that are allowed to create new tokens */
  mapping (address => bool) public mintAgents;

  event MintingAgentChanged(address addr, bool state);
  event Minted(address receiver, uint amount);

  /**
   * Create new tokens and allocate them to an address..
   *
   * Only callably by a crowdsale contract (mint agent).
   */
  function mint(address receiver, uint amount) onlyMintAgent canMint public {
    totalSupply_ = 	totalSupply_.add(amount);
    balances[receiver] = balances[receiver].add(amount);

    // This will make the mint transaction apper in EtherScan.io
    // We can remove this after there is a standardized minting event
    Transfer(0, receiver, amount);
  }

  /**
   * Owner can allow a crowdsale contract to mint new tokens.
   */
  function setMintAgent(address addr, bool state) onlyOwner canMint public {
    mintAgents[addr] = state;
    MintingAgentChanged(addr, state);
  }

  modifier onlyMintAgent() {
    // Only crowdsale contracts are allowed to mint new tokens
    if(!mintAgents[msg.sender]) {
        revert();
    }
    _;
  }

  /** Make sure we are not done yet. */
  modifier canMint() {
    if(mintingFinished) revert();
    _;
  }
}

contract WINCrowdsale is CrowdsaleBase {

  /* Do we need to have unique contributor id for each customer */
  bool public requireCustomerId;

  /**
    * Do we verify that contributor has been cleared on the server side (accredited investors only).
    * This method was first used in FirstBlood crowdsale to ensure all contributors have accepted terms on sale (on the web).
    */
  bool public requiredSignedAddress;

  /* Server side address that signed allowed contributors (Ethereum addresses) that can participate the crowdsale */
  address public signerAddress;

  function WINCrowdsale(address _token, PricingStrategy _pricingStrategy, address _multisigWallet, uint _start, uint _end, uint _minimumFundingGoal) CrowdsaleBase(_token, _pricingStrategy, _multisigWallet, _start, _end, _minimumFundingGoal) public {
  }

  /**
   * Preallocate tokens for the early investors.
   *
   * Preallocated tokens have been sold before the actual crowdsale opens.
   * This function mints the tokens and moves the crowdsale needle.
   *
   * Investor count is not handled; it is assumed this goes for multiple investors
   * and the token distribution happens outside the smart contract flow.
   *
   * No money is exchanged, as the crowdsale team already have received the payment.
   *
   * @param fullTokens tokens as full tokens - decimal places added internally
   * @param weiPrice Price of a single full token in wei
   *
   */
  function preallocate(address receiver, uint fullTokens, uint weiPrice) public onlyOwner {

    uint tokenAmount = fullTokens * 10**token.decimals();
    uint weiAmount = fullTokens * weiPrice; // This can be also 0, we give out tokens for free

    weiRaised = weiRaised.add(weiAmount);
    tokensSold = tokensSold.add(tokenAmount);

    investedAmountOf[receiver] = investedAmountOf[receiver].add(weiAmount);
    tokenAmountOf[receiver] = tokenAmountOf[receiver].add(tokenAmount);

    assignTokens(receiver, tokenAmount);

    // Tell us invest was success
    Invested(receiver, weiAmount, tokenAmount, 0);
  }

  
  
  /**
   * bitcoin invest 
   *
   * Send WIN token to bitcoin investors during the ICO session
   * This function mints the tokens and updates the money raised based BTC/ETH ratio 
   *
   * Each investor has it own bitcoin investment address, investor count is updated
   *
   *
   * @param fullTokens tokens as full tokens - decimal places added internally
   * @param weiPrice Price of a single full token in wei
   *
   */
  function bitcoinInvest(address receiver, uint fullTokens, uint weiPrice) public onlyOwner {

	
	// Determine if it's a good time to accept investment from this participant
    if(getState() == State.PreFunding) {
      // Are we whitelisted for early deposit
      if(!earlyParticipantWhitelist[receiver]) {
        revert();
      }
    } else if(getState() == State.Funding) {
      // Retail participants can only come in when the crowdsale is running
      // pass
    } else {
      // Unwanted state
      revert();
    }
	
    uint tokenAmount = fullTokens * 10**token.decimals();
    uint weiAmount = fullTokens * weiPrice; // This can be also 0, we give out tokens for free


	// Dust transaction
    require(tokenAmount != 0);

	// increase investors count
	investorCount++;
   
    // Update investor
    investedAmountOf[receiver] = investedAmountOf[receiver].add(weiAmount);
    tokenAmountOf[receiver] = tokenAmountOf[receiver].add(tokenAmount);

	//Update Totals
    weiRaised = weiRaised.add(weiAmount);
    tokensSold = tokensSold.add(tokenAmount);
	
	
    // Check that we did not bust the cap
    require(!isBreakingCap(weiAmount, tokenAmount, weiRaised, tokensSold));

    assignTokens(receiver, tokenAmount);

    // Tell us invest was success
    Invested(receiver, weiAmount, tokenAmount, 0);

	
  }
  
  

  /**
   * Allow anonymous contributions to this crowdsale.
   */
  function invest(address addr) public payable {
    if(requireCustomerId) revert(); // Crowdsale needs to track participants for thank you email
    if(requiredSignedAddress) revert(); // Crowdsale allows only server-side signed participants
    investInternal(addr, 0);
  }

 
  /**
   * Set policy do we need to have server-side customer ids for the investments.
   *
   */
  function setRequireCustomerId(bool value) public onlyOwner {
    requireCustomerId = value;
    InvestmentPolicyChanged(requireCustomerId, requiredSignedAddress, signerAddress);
  }

  /**
   * Set policy if all investors must be cleared on the server side first.
   *
   * This is e.g. for the accredited investor clearing.
   *
   */
  function setRequireSignedAddress(bool value, address _signerAddress) public onlyOwner {
    requiredSignedAddress = value;
    signerAddress = _signerAddress;
    InvestmentPolicyChanged(requireCustomerId, requiredSignedAddress, signerAddress);
  }

}

contract WaWlletTokenCrowdsale is WINCrowdsale {

  /* Maximum amount of tokens this crowdsale can sell. */
  uint public maximumSellableTokens;

  function WaWlletTokenCrowdsale(address _token, PricingStrategy _pricingStrategy, address _multisigWallet, uint _start, uint _end, uint _minimumFundingGoal, uint _maximumSellableTokens) WINCrowdsale(_token, _pricingStrategy, _multisigWallet, _start, _end, _minimumFundingGoal) public {
    maximumSellableTokens = _maximumSellableTokens;
  }

  /**
   * Called from invest() to confirm if the curret investment does not break our cap rule.
   */
  function isBreakingCap(uint /*weiAmount*/, uint /*tokenAmount*/, uint /*weiRaisedTotal*/, uint tokensSoldTotal) public view returns (bool /*limitBroke*/) {
    return tokensSoldTotal > maximumSellableTokens;
  }

  function isCrowdsaleFull() public view returns (bool) {
    return tokensSold >= maximumSellableTokens;
  }

  /**
   * Dynamically create tokens and assign them to the investor.
   */
  function assignTokens(address receiver, uint tokenAmount) internal {
    MintableToken mintableToken = MintableToken(token);
    mintableToken.mint(receiver, tokenAmount);
  }
  
  /**
   * Dynamically create tokens and assign them to the investor.
   */
  /**
   * Allow direct contributions to this crowdsale.
   */
  function () public payable {
        invest(msg.sender);
  }
}
设置
{
  "compilationTarget": {
    "WaWlletTokenCrowdsale.sol": "WaWlletTokenCrowdsale"
  },
  "libraries": {},
  "optimizer": {
    "enabled": false,
    "runs": 0
  },
  "remappings": []
}
ABI
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