ether.js调用swap出现Error: missing revert data in call exception; Transaction reverted without a reason string

代码在forkUNI的swap中都可以实现，但是在其中一个出现了如上错误

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分类：Uniswap

默认排序时间排序

4 个回答

kristol 2022-06-24 01:02

|                                                           | **const** **wallet** **=** **new** **ethers**.**Wallet**(**secrets**.**privatekey**)**;** |
|                                                           | **const** **signer** **=** **wallet**.**connect**(**provider**)**;** |
|                                                           |   |
|                                                           | **const** **routerContract** **=** **new** **ethers**.**Contract**( |
|                                                           |  **router**, |
|                                                           |  **[** |
|                                                           |  **'function getAmountsOut(uint amountIn, address[] memory path) public view returns(uint[] memory amounts)'**, |
|                                                           |  **'function swapExactTokensForTokens(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts)'** |
|                                                           |  **]**, |
|                                                           |  **signer** |
|                                                           | **)**; |

kristol 2022-06-24 01:05

|                                                           | **async** **function** **main**(**)** **{** |
|                                                           |   |
|                                                           |  **const** **BUSDamountIn** **=** **ethers**.**utils**.**parseUnits**(**'100'**, **18**)**;** |
|                                                           |  **let** **amounts** **=** **await** **routerContract**.**getAmountsOut**(**BUSDamountIn**, **[**BUSD**,** **WBNB**]**)**; |
|                                                           |  **const** **WBNBamountOutMin** **=** **amounts**[**1**]**.**sub**(**amounts**[**1**]**.**div**(**10**)**)**; |
|                                                           |   |
|                                                           |  **console**.**log**(**ethers**.**utils**.**formatEther**(**BUSDamountIn**)**)**; |
|                                                           |  **console**.**log**(**ethers**.**utils**.**formatEther**(**WBNBamountOutMin**)**)**; |
|                                                           |   |
|                       (**reciept**)**;** |
|                                                           |   |
|                                                           |  **const** **swapTx** **=** **await** **routerContract**.**swapExactTokensForTokens**( |
|                                                           |  **BUSDamountIn**, |
|                                                           |  **WBNBamountOutMin**, |
|                                                           |  **[**BUSD**,** **WBNB**]**,** |
|                                                           |  **wallet**.**address**, |
|                                                           |  **Date**.**now**(**)** **+** **1000** ***** **60** ***** **10**, |
|                                                           |  **{**gasLimit:**250000**} |
|                                                           |  **)** |
|                                                           |   |
|                                                           |  **receipt** **=** **await** **swapTx**.**wait**(**)**; |
|                                                           |  **console**.**log**(**receipt**)**;** |
|                                                           | **}** |
|                                                           |   |
|                                                           | **main**(**)**.**then**(**)**.**finally**(**(**) **=>** **{**}**)**; |

James 2022-06-25 00:37

James 2022-06-25 10:56