Release v1.0.0-rc.4

What's Changed

• feat: add optional verified flag when getting latest block by @seanmcgary in #133
• feat: correctly purge corrupted rewards calculations on restart by @seanmcgary in #134
• fix: address feedback and findings from audit by @seanmcgary in #132

Full Changelog: v1.0.0-rc.3...v1.0.0-rc.4

Breaking change

PR132 includes a change to mitigate a shrinking attack on the StateRoot merkle tree. This changes the format of how tree leaves are formatted and is not backwards compatible and will require a resync from scratch if upgrading to this version.