go-bitcoin is a library that uses go-bt under the hood. It adds a bunch of convenience functions to make various things easier, such as createTxWithChange that will automatically calculate fees and change. There are lots of examples here: <a href='https://github.com/BitcoinSchema/go-bitcoin/tree/master/examples'>https://github.com/BitcoinSchema/go-bitcoin/tree/master/examples</a>
most of these packages have great test coverage so you can typically find good examples in the test files as well
go-paymail is what you want to resolve a paymail address (if you use go-paymail you don't need a 3rd party service such as polynym). Here is an example of resolving an address with go-paymail <a href='https://github.com/tonicpow/go-paymail/tree/master/examples/client/resolve_address'>https://github.com/tonicpow/go-paymail/tree/master/examples/client/resolve_address</a>
go-bitcoin is a library that uses go-bt under the hood. It adds a bunch of convenience functions to make various things easier, such as createTxWithChange that will automatically calculate fees and change. There are lots of examples here: <a href='https://github.com/BitcoinSchema/go-bitcoin/tree/master/examples'>https://github.com/BitcoinSchema/go-bitcoin/tree/master/examples</a>
most of these packages have great test coverage so you can typically find good examples in the test files as well
go-paymail is what you want to resolve a paymail address (if you use go-paymail you don't need a 3rd party service such as polynym). Here is an example of resolving an address with go-paymail <a href='https://github.com/tonicpow/go-paymail/tree/master/examples/client/resolve_address'>https://github.com/tonicpow/go-paymail/tree/master/examples/client/resolve_address</a>