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

@@ -18,3 +18,4 @@ beacon_chain = { path = "../../beacon_node/beacon_chain" }
store = { path = "../../beacon_node/store" }
tree_hash = { path = "../../consensus/tree_hash" }
slot_clock = { path = "../../common/slot_clock" }
hex = "0.4.2"