遇到錯誤，放棄。網路狀態未知。手動查看成功的交易。超過區塊氣體限制

我正在嘗試使用“truffle migrate –network ropsten”部署我的眾籌合約。

我遇到這個問題“遇到錯誤，保釋。網路狀態未知。手動查看成功的交易。超過塊氣體限制”

松露配置文件

   // truffle.js
   require('dotenv').config();
   const HDWalletProvider = require("truffle-hdwallet-provider");
   module.exports = {
     networks: {
       development: {
         host: "localhost",
         port: 7545,
         gas: 9999999999,
        network_id: "*"
       },
       ropsten: {
           provider: function() { 
             return new HDWalletProvider(process.env.MNENOMIC,         "https://ropsten.infura.io/" + process.env.INFURA_API_KEY) },
           network_id: 3,
           gas: 4867350,
       },
     }
   };

眾籌.sol：

pragma solidity ^0.4.24;
import "openzeppelin-solidity/contracts/token/ERC20/ERC20.sol";
import "openzeppelin-solidity/contracts/math/SafeMath.sol";
import "openzeppelin-solidity/contracts/token/ERC20/SafeERC20.sol";


/**
* @title Crowdsale
* @dev Crowdsale is a base contract for managing a token crowdsale,
* allowing investors to purchase tokens with ether. This contract     implements
* such functionality in its most fundamental form and can be extended to provide additional
* functionality and/or custom behavior.
* The external interface represents the basic interface for purchasing tokens, and conform
* the base architecture for crowdsales. They are *not* intended to be modified / overridden.
* The internal interface conforms the extensible and modifiable surface of crowdsales. Override
* the methods to add functionality. Consider using 'super' where appropriate to concatenate
* behavior.
*/
contract Crowdsale {
 using SafeMath for uint256;
 using SafeERC20 for ERC20;

 // The token being sold
 ERC20 public token;

 // Address where funds are collected
 address public wallet;

 // How many token units a buyer gets per wei.
 // The rate is the conversion between wei and the smallest and indivisible token unit.
 // So, if you are using a rate of 1 with a DetailedERC20 token with 3 decimals called TOK
 // 1 wei will give you 1 unit, or 0.001 TOK.
 uint256 public rate;

 // Amount of wei raised
 uint256 public weiRaised;

 /**
  * Event for token purchase logging
  * @param purchaser who paid for the tokens
  * @param beneficiary who got the tokens
  * @param value weis paid for purchase
  * @param amount amount of tokens purchased
  */
 event TokenPurchase(
   address indexed purchaser,
       address indexed beneficiary,
   uint256 value,
   uint256 amount
 );

 /**
  * @param _rate Number of token units a buyer gets per wei
  * @param _wallet Address where collected funds will be forwarded to
  * @param _token Address of the token being sold
  */
 constructor(uint256 _rate, address _wallet, ERC20 _token) public {
   require(_rate > 0);
   require(_wallet != address(0));
   require(_token != address(0));

   rate = 8 * (10**8);
   wallet = 0xF76075Cf3B674fB9656E393e9e17091B01243666;
   token = token = ERC20(0x0f26c1c05f1bbBC7Eff0488F1a98619e8a9758cf);
 }

 // -----------------------------------------
 // Crowdsale external interface
 // -----------------------------------------

 /**
  * @dev fallback function ***DO NOT OVERRIDE***
  */
 function () external payable {
   buyTokens(msg.sender);
 }

 /**
  * @dev low level token purchase ***DO NOT OVERRIDE***
  * @param _beneficiary Address performing the token purchase
  */
 function buyTokens(address _beneficiary) public payable {

   uint256 weiAmount = msg.value;
   _preValidatePurchase(_beneficiary, weiAmount);

   // calculate token amount to be created
   uint256 tokens = _getTokenAmount(weiAmount);

   // update state
   weiRaised = weiRaised.add(weiAmount);

   _processPurchase(_beneficiary, tokens);
   emit TokenPurchase(
     msg.sender,
     _beneficiary,
     weiAmount,
     tokens
   );

   _updatePurchasingState(_beneficiary, weiAmount);

   _forwardFunds();
   _postValidatePurchase(_beneficiary, weiAmount);
 }

 // -----------------------------------------
 // Internal interface (extensible)
 // -----------------------------------------

 /**
  * @dev Validation of an incoming purchase. Use require statements to     revert state when conditions are not met. Use `super` in contracts that     inherit from Crowdsale to extend their validations.
  * Example from CappedCrowdsale.sol's _preValidatePurchase method: 
  *   super._preValidatePurchase(_beneficiary, _weiAmount);
  *   require(weiRaised.add(_weiAmount) <= cap);
  * @param _beneficiary Address performing the token purchase
  * @param _weiAmount Value in wei involved in the purchase
  */
 function _preValidatePurchase(
   address _beneficiary,
   uint256 _weiAmount
 )
   internal
 {
   require(_beneficiary != address(0));
   require(_weiAmount != 0);
 }

 /**
  * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met.
  * @param _beneficiary Address performing the token purchase
  * @param _weiAmount Value in wei involved in the purchase
  */
 function _postValidatePurchase(
   address _beneficiary,
   uint256 _weiAmount
 )
   internal
 {
   // optional override
 }

 /**
  * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens.
  * @param _beneficiary Address performing the token purchase
  * @param _tokenAmount Number of tokens to be emitted
  */
 function _deliverTokens(
   address _beneficiary,
   uint256 _tokenAmount
 )
   internal
 {
   token.safeTransfer(_beneficiary, _tokenAmount);
 }

 /**
  * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens.
  * @param _beneficiary Address receiving the tokens
  * @param _tokenAmount Number of tokens to be purchased
  */
 function _processPurchase(
   address _beneficiary,
   uint256 _tokenAmount
 )
   internal
 {
   _deliverTokens(_beneficiary, _tokenAmount);
 }

 /**
  * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.)
  * @param _beneficiary Address receiving the tokens
  * @param _weiAmount Value in wei involved in the purchase
  */
 function _updatePurchasingState(
   address _beneficiary,
   uint256 _weiAmount
 )
   internal
 {
   // optional override
 }

 /**
  * @dev Override to extend the way in which ether is converted to tokens.
  * @param _weiAmount Value in wei to be converted into tokens
  * @return Number of tokens that can be purchased with the specified _weiAmount
  */
 function _getTokenAmount(uint256 _weiAmount)
   internal view returns (uint256)
 {
   return _weiAmount.mul(rate);
 }

 /**
  * @dev Determines how ETH is stored/forwarded on purchases.
  */
 function _forwardFunds() internal {
   wallet.transfer(msg.value);
 }
}

ropsten gas 限制目前徘徊在 4,700,000 左右。

您的合約實際上不太可能需要這麼多來部署，但是由於您4867350在 truffle.js 中指定，因此將其用作最大氣體。

嘗試將 truffle.js 中的氣體設置為較低的數字，例如2000000左右（您可能需要更多，具體取決於您的契約）。

引用自：https://ethereum.stackexchange.com/questions/57034