lighthouse/scripts/local_testnet/setup.sh

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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 $BN_COUNT variables.
#
set -o nounset -o errexit -o pipefail
source ./vars.env
NOW=`date +%s`
GENESIS_TIME=`expr $NOW + $GENESIS_DELAY`
lcli \
new-testnet \
--spec $SPEC_PRESET \
--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 \
--bellatrix-fork-epoch $BELLATRIX_FORK_EPOCH \
--capella-fork-epoch $CAPELLA_FORK_EPOCH \
--eip4844-fork-epoch $EIP4844_FORK_EPOCH \
--ttd $TTD \
--eth1-block-hash $ETH1_BLOCK_HASH \
--eth1-id $CHAIN_ID \
--eth1-follow-distance 1 \
--seconds-per-slot $SECONDS_PER_SLOT \
--seconds-per-eth1-block $SECONDS_PER_ETH1_BLOCK \
--validator-count $GENESIS_VALIDATOR_COUNT \
--interop-genesis-state \
--force
echo Specification and genesis.ssz 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 $BN_COUNT
echo Validators generated with keystore passwords at $DATADIR.
GENESIS_TIME=$(lcli pretty-ssz state_merge ~/.lighthouse/local-testnet/testnet/genesis.ssz | jq | grep -Po 'genesis_time": "\K.*\d')
CAPELLA_TIME=$((GENESIS_TIME + (CAPELLA_FORK_EPOCH * 32 * SECONDS_PER_SLOT)))
EIP4844_TIME=$((GENESIS_TIME + (EIP4844_FORK_EPOCH * 32 * SECONDS_PER_SLOT)))
sed -i 's/"shanghaiTime".*$/"shanghaiTime": '"$CAPELLA_TIME"',/g' genesis.json
sed -i 's/"shardingForkTime".*$/"shardingForkTime": '"$EIP4844_TIME"',/g' genesis.json