I am trying to deploy a smart contract to the Ropsten test net.
I have tried to add the private keys mnemonic to a .secret file but get the following error below when running in the terminal truffle migrate --network ropsten
Error: Private key does not satisfy the curve requirements (ie. it is invalid)
The infura api key works by importing it with dot env.
The mnemonic private key is from a metamask wallet.
This is what is in the truffle.config file now:
require('babel-polyfill');
require('dotenv').config();
const HDWalletProvider = require('truffle-hdwallet-provider-privkey');
const MNEMONIC = './.secret';
const infuraKey = process.env.INFURA_API_KEY
module.exports = {
networks: {
development: {
host: "127.0.0.1",
port: 7545,
network_id: "*" // Match any network id
},
ropsten: {
provider: () => new HDWalletProvider(MNEMONIC, `https://ropsten.infura.io/v3/${infuraKey}`),
network_id: 3, // Ropsten's id
gas: 5500000, // Ropsten has a lower block limit than mainnet
confirmations: 2, // # of confs to wait between deployments. (default: 0)
timeoutBlocks: 200, // # of blocks before a deployment times out (minimum/default: 50)
skipDryRun: true // Skip dry run before migrations? (default: false for public nets )
}
},
contracts_directory: './src/contracts/',
contracts_build_directory: './src/abis/',
compilers: {
solc: {
optimizer: {
enabled: true,
runs: 200
}
}
}
}
Someone else encountered this issue here
There was a suggestion to use Buffer.from, i.e. Buffer.from('<PRIVATE_KEY>', 'hex') to convert your private key to a Buffer first.
Could try using below:
const privateKey = Buffer.from('PRIVATEKEYFROMMETAMASK', 'hex');
const provider = new HDWalletProvider(privateKey, "https://ropsten.infura.io/v3/INFURATOKEN");
const web3 = new Web3(provider);