Weak subjectivity start from genesis (#1675)

## Issue Addressed
Solution 2 proposed here: https://github.com/sigp/lighthouse/issues/1435#issuecomment-692317639

## Proposed Changes
- Adds an optional `--wss-checkpoint` flag that takes a string `root:epoch`
- Verify that the given checkpoint exists in the chain, or that the the chain syncs through this checkpoint. If not, shutdown and prompt the user to purge state before restarting.

## Additional Info


Co-authored-by: Paul Hauner <paul@paulhauner.com>
This commit is contained in:
realbigsean
2020-10-01 01:41:58 +00:00
parent fcf8419c90
commit 9d2d6239cd
16 changed files with 584 additions and 19 deletions

View File

@@ -59,3 +59,4 @@ bus = "2.2.3"
derivative = "2.1.1"
itertools = "0.9.0"
regex = "1.3.9"
exit-future = "0.2.0"