lighthouse/scripts/local_testnet/setup.sh
realbigsean c5786a8821 Doppelganger detection (#2230)
## Issue Addressed

Resolves #2069 

## Proposed Changes

- Adds a `--doppelganger-detection` flag
- Adds a `lighthouse/seen_validators` endpoint, which will make it so the lighthouse VC is not interopable with other client beacon nodes if the `--doppelganger-detection` flag is used, but hopefully this will become standardized. Relevant Eth2 API repo issue: https://github.com/ethereum/eth2.0-APIs/issues/64
- If the `--doppelganger-detection` flag is used, the VC will wait until the beacon node is synced, and then wait an additional 2 epochs. The reason for this is to make sure the beacon node is able to subscribe to the subnets our validators should be attesting on. I think an alternative would be to have the beacon node subscribe to all subnets for 2+ epochs on startup by default.

## Additional Info

I'd like to add tests and would appreciate feedback. 

TODO:  handle validators started via the API, potentially make this default behavior

Co-authored-by: realbigsean <seananderson33@gmail.com>
Co-authored-by: Michael Sproul <michael@sigmaprime.io>
Co-authored-by: Paul Hauner <paul@paulhauner.com>
2021-07-31 03:50:52 +00:00

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#!/usr/bin/env bash
#
# Deploys the deposit contract and makes deposits for $VALIDATOR_COUNT insecure deterministic validators.
# Produces a testnet specification and a genesis state where the genesis time
# is now + $GENESIS_DELAY.
#
# Generates datadirs for multiple validator keys according to the
# $VALIDATOR_COUNT and $NODE_COUNT variables.
#
source ./vars.env
lcli \
deploy-deposit-contract \
--eth1-http http://localhost:8545 \
--confirmations 1 \
--validator-count $VALIDATOR_COUNT
NOW=`date +%s`
GENESIS_TIME=`expr $NOW + $GENESIS_DELAY`
lcli \
--spec mainnet \
new-testnet \
--deposit-contract-address $DEPOSIT_CONTRACT_ADDRESS \
--testnet-dir $TESTNET_DIR \
--min-genesis-active-validator-count $GENESIS_VALIDATOR_COUNT \
--min-genesis-time $GENESIS_TIME \
--genesis-delay $GENESIS_DELAY \
--genesis-fork-version $GENESIS_FORK_VERSION \
--altair-fork-epoch $ALTAIR_FORK_EPOCH \
--eth1-id $NETWORK_ID \
--eth1-follow-distance 1 \
--seconds-per-slot $SECONDS_PER_SLOT \
--seconds-per-eth1-block $SECONDS_PER_ETH1_BLOCK \
--force
echo Specification generated at $TESTNET_DIR.
echo "Generating $VALIDATOR_COUNT validators concurrently... (this may take a while)"
lcli \
insecure-validators \
--count $VALIDATOR_COUNT \
--base-dir $DATADIR \
--node-count $NODE_COUNT
echo Validators generated with keystore passwords at $DATADIR.
echo "Building genesis state... (this might take a while)"
lcli \
--spec mainnet \
interop-genesis \
--genesis-time $GENESIS_TIME \
--testnet-dir $TESTNET_DIR \
$GENESIS_VALIDATOR_COUNT
echo Created genesis state in $TESTNET_DIR