* [sync]: rust 2018 * fix(grumble): explicit use for RlpResponseResult * fix(grumble): types -> common_types * fix: bad rebase * fix: wildcard import * fix(grumble): rename crate hash to `keccak_hash`
* [sync]: rust 2018 * fix(grumble): explicit use for RlpResponseResult * fix(grumble): types -> common_types * fix: bad rebase * fix: wildcard import * fix(grumble): rename crate hash to `keccak_hash`