cast send failed

[asamuj]

Component

Cast

Have you ensured that all of these are up to date?

• Foundry
• Foundryup

What version of Foundry are you on?

cast 0.2.0 (dedc31e 2023-04-24T00:12:05.706154000Z)

What command(s) is the bug in?

cast send command

Operating System

macOS (Apple Silicon)

Describe the bug

when i execute the following command

cast send 0x5FbDB2315678afecb367f032d93F642f64180aa3  "setNumber(uint256)" 1  --private-key 0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266

The error message is as follows:

Message:  assertion failed: `(left == right)`
  left: `20`,
 right: `32`
Location: /Users/runner/.cargo/registry/src/git.luolix.top-1ecc6299db9ec823/generic-array-0.14.7/src/lib.rs:572

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   1: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
   2: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
   3: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
   4: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
   5: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
   6: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
   7: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
   8: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
   9: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
  10: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
  11: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
  12: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
  13: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
  14: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
  15: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
  16: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
  17: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
  18: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>
  19: __mh_execute_header<unknown>
      at <unknown source file>:<unknown line>

Contract code:

// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.17;

contract Number {
    uint256 private number;

    function setNumber(uint256 newNumber) public {
        number = newNumber;
    }

    function getNumber() public view returns (uint256) {
        return number;
    }
    
}

[DaniPopes]

Your private key is not 32 bytes long. This is fixed in gakonst/ethers-rs#2363

[asamuj]

thanks