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I am following the tutorial from Truffle to create a "pet shop" contract. I can follow everything until he tells me to truffle migrate.

Here is the contract:

pragma solidity ^0.5.0;

contract Adoption{
    address[16] public adopters;

    function adopt(uint petId) public returns (uint) {
    require(petId >= 0 && petId <= 15);

    adopters[petId] = msg.sender;

    return petId;
}

function getAdopters() public view returns (address[16] memory) {
    return adopters;
}
}

The migrate #1:

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

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

The migrate #2:

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

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

truffle migrate does not do anything

The network seems to be configured right on the truffle-config file

module.exports = {
  // See <http://truffleframework.com/docs/advanced/configuration>
  // for more about customizing your Truffle configuration!
  networks: {
    development: {
      host: "127.0.0.1",
      port: 7545,
      network_id: "*" // Match any network id
    }
  }
};

And Ganache(testing) seems to not have mined any blocks even though the network is right: enter image description here

It is weird, I haven't found anyone else with the same issue as me, any ideas?

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Turns out I had to do sudo truffle compile After using sudo to compile truffle migrate worked as it was supposed to.

  • I'd suggest to fix the permissions in your project files so you can run truffle without sudo. – Ismael Feb 11 at 23:06

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