Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.7.4+commit.3f05b770.js&optimize=false&runs=200&gist=

current_address.js

(async () => {
    
    try {
    const contractAddress = '0xd8b934580fcE35a11B58C6D73aDeE468a2833fa8'
    const accounts = await web3.eth.getAccounts()
    console.log('Getting currentOwner')
    const metadata = JSON.parse(await remix.call('fileManager', 'getFile', 'browser/contracts/artifacts/Owner.json'))
    
    let contract = new web3.eth.Contract(metadata.abi, contractAddress);
    
    contract = contract.methods.getOwner();
    
    const currentOwner = await contract.call(
        {
            from: accounts[0]
        })
    console.log(currentOwner)
    
    }
    catch (e) {
    console.log(e.message)
  }
})()

owner_web3deploy.js

// Right click on the script name and hit "Run" to execute
(async () => {
    try {
        console.log('Running deployWithWeb3 script...')
        
        const contractName = 'Owner' // Change this for other contract
        const constructorArgs = []    // Put constructor args (if any) here for your contract
    
        // Note that the script needs the ABI which is generated from the compilation artifact.
        // Make sure contract is compiled and artifacts are generated
        const artifactsPath = `browser/contracts/artifacts/${contractName}.json` // Change this for different path

        const metadata = JSON.parse(await remix.call('fileManager', 'getFile', artifactsPath))
        const accounts = await web3.eth.getAccounts()
    
        let contract = new web3.eth.Contract(metadata.abi)
    
        contract = contract.deploy({
            data: metadata.data.bytecode.object,
            arguments: constructorArgs
        })
    
        const newContractInstance = await contract.send({
            from: accounts[0],
            gas: 1500000,
            gasPrice: '30000000000'
        })
        console.log('Contract deployed at address: ', newContractInstance.options.address)
    } catch (e) {
        console.log(e.message)
    }
  })()

string_bytes.js

(async () => {
    
    let string = "Hallo World"
    
    let b32 = ethers.utils.formatBytes32String(string)
    
    console.log(b32)
})()