Blockchain truffle Migration Error

Question

truffle migrate Using network 'development'.

Running migration: 1_initial_migration.js   Deploying Migrations...
Error encountered, bailing. Network state unknown. Review successful
transactions manually. Error: Migrations contract constructor expected
1 arguments, received 0
    at /usr/local/lib/node_modules/truffle/build/webpack:/~/truffle-contract/contract.js:390:1

My Solidity File(Migration.sol)

pragma solidity ^0.4.17;

contract Migrations {
  address public owner;
  uint public last_completed_migration;

  modifier restricted() {
    if (msg.sender == owner) _;
  }

  constructor(Migrations) public {
    owner = msg.sender;
  }

  function setCompleted(uint completed) public restricted {
    last_completed_migration = completed;
  }

  function upgrade(address new_address) public restricted {
    Migrations upgraded = Migrations(new_address);
    upgraded.setCompleted(last_completed_migration);
  }
}

My Migration file 1_initial_migration.js

var Migrations = artifacts.require("./Migrations.sol");

module.exports = function(deployer) {
  deployer.deploy(Migrations);
};

truffle version Truffle v4.1.11 (core: 4.1.11) Solidity v0.4.24 (solc-js)

score 2 · Answer 1 · edited Jun 08 '18 at 11:47

2

Remove the constructor function parameter "Migrations", which is not used anywhere. It is working when I remove the "Migrations" argument. Use as below:

constructor() public {
    owner = msg.sender;
  }

edited Jun 08 '18 at 11:47

Zoe

27,060
21
118
148

answered Jun 08 '18 at 11:46

Mahesh Patil

76
2

score -1 · Answer 2 · answered Mar 04 '21 at 19:12

-1

If on Ganache change to Instabul or change the CHAIN you are on

answered Mar 04 '21 at 19:12

Bonsu

67
1
5

Blockchain truffle Migration Error

2 Answers2