Minimal testnet

Author: michaelsproul

scripts/local_testnet_pos/start_local_testnet.sh

@@ -98,8 +98,8 @@ GETH_http_base=8545
 GETH_el_base=8645
 
 # Make Geth config with genesis time and TTD.
-SHANGHAI_TIME=$(($GENESIS_TIME + $CAPELLA_FORK_EPOCH * $SECONDS_PER_SLOT * 32))
-echo "Shangai time = $SHANGHAI_TIME"
+SHANGHAI_TIME=$(($GENESIS_TIME + $CAPELLA_FORK_EPOCH * $SECONDS_PER_SLOT * 8))
+echo "Shanghai time = $SHANGHAI_TIME"
 cat ./config/geth.json.template \
   | sed "s/SHANGHAI_BLOCK_TEMPLATE/$SHANGHAI_TIME/" \
   | sed "s/TERMINAL_TOTAL_DIFFICULTY_TEMPLATE/$TERMINAL_TOTAL_DIFFICULTY/" > ./config/geth.json

scripts/local_testnet_pos/vars.env

@@ -32,12 +32,12 @@ NETWORK_ID=4242
 # Hard fork configuration
 ALTAIR_FORK_EPOCH=0
 MERGE_FORK_EPOCH=0
-CAPELLA_FORK_EPOCH=1
+CAPELLA_FORK_EPOCH=20
 
 TERMINAL_TOTAL_DIFFICULTY=15000000
 
 # Spec version (mainnet or minimal)
-SPEC_PRESET=mainnet
+SPEC_PRESET=minimal
 
 # Seconds per Eth2 slot
 SECONDS_PER_SLOT=6