ethereum/eth-go — pull request #29 by ebuchman (2014-07-01 10:07:47+00:00)
Title: return nicer msg than panic if trying to send tx from addr with no state obj

I happened to try and make a transaction using a new address. The panic/stack-trace was not pretty. So this should make using ethpub and 'accidentally' doing this a bit easier to recoup from.