filecoin

Task summary

In the interest of a better UX, if users often have specific config options they often like to override by default, such as having the store on a different disk or disabling encrypt_keystore, it might be nice to create an environment variable that points to a configuration file that can be overridden by explicitly p

They are useful beyond migrations.

ipfs-shipyard/nft.storage#97 (review)

1. Should validate that attofil is number (not decimal)
2. Should check if sufficient amount is being sent (not more than balance) otherwise send is throwing and estimating gas
3. Connected with 2, check if max amount should deduct gas too.