module.exports = function (address, network, rpcPrefs) { if (rpcPrefs && rpcPrefs.blockExplorerUrl) { return `${rpcPrefs.blockExplorerUrl}/address/${address}` } const net = parseInt(network) let link switch (net) { case 1: // main net link = `https://etherscan.io/address/${address}` break case 2: // morden test net link = `https://morden.etherscan.io/address/${address}` break case 3: // ropsten test net link = `https://ropsten.etherscan.io/address/${address}` break case 4: // rinkeby test net link = `https://rinkeby.etherscan.io/address/${address}` break case 42: // kovan test net link = `https://kovan.etherscan.io/address/${address}` break case 5: // goerli test net link = `https://goerli.etherscan.io/address/${address}` break default: link = '' break } return link }