module.exports = getBuyEthUrl
/**
* Gives the caller a url at which the user can acquire eth, depending on the network they are in
*
* @param {object} opts Options required to determine the correct url
* @param {string} opts.network The network for which to return a url
* @param {string} opts.amount The amount of ETH to buy on coinbase. Only relevant if network === '1'.
* @param {string} opts.address The address the bought ETH should be sent to. Only relevant if network === '1'.
* @returns {string|undefined} The url at which the user can access ETH, while in the given network. If the passed
* network does not match any of the specified cases, or if no network is given, returns undefined.
*
*/
function getBuyEthUrl ({ network, amount, address }) {
let url
switch (network) {
case '1':
url = `https://buy.coinbase.com/?code=9ec56d01-7e81-5017-930c-513daa27bb6a&amount=${amount}&address=${address}&crypto_currency=ETH`
break
case '3':
url = 'https://faucet.metamask.io/'
break
case '4':
url = 'https://www.rinkeby.io/'
break
case '42':
url = 'https://github.com/kovan-testnet/faucet'
break
}
return url
}