sETHContract = new ethers.Contract(
        targets.SynthsETH.address,
        sources[targets.SynthsETH.source].abi,
        ethers.getDefaultProvider(network)
      );
      sETHContract.totalSupply().then(unformattedTotalSupply => {
        console.log(
          "sETH supply",
          ethers.utils.formatEther(unformattedTotalSupply)
        );
      });
    </script>
  </body>
</html>
