Add altair-devnet-1

common/eth2_config/src/lib.rs

@@ -117,3 +117,10 @@ define_net!(
     "altair-devnet-0",
     true
 );
+
+define_net!(
+    altair_devnet_1,
+    include_altair_devnet_1_file,
+    "altair-devnet-1",
+    true
+);

common/eth2_network_config/build.rs

@@ -1,6 +1,7 @@
 //! Extracts zipped genesis states on first run.
 use eth2_config::{
-    altair_devnet_0, mainnet, prater, pyrmont, Eth2NetArchiveAndDirectory, GENESIS_FILE_NAME,
+    altair_devnet_0, altair_devnet_1, mainnet, prater, pyrmont, Eth2NetArchiveAndDirectory,
+    GENESIS_FILE_NAME,
 };
 use std::fs::File;
 use std::io;
@@ -11,6 +12,7 @@ const ETH2_NET_DIRS: &[Eth2NetArchiveAndDirectory<'static>] = &[
     pyrmont::ETH2_NET_DIR,
     prater::ETH2_NET_DIR,
     altair_devnet_0::ETH2_NET_DIR,
+    altair_devnet_1::ETH2_NET_DIR,
 ];
 
 fn main() {

common/eth2_network_config/built_in_network_configs/altair-devnet-1/boot_enr.yaml

@@ -0,0 +1,3 @@
+# EF bootnode
+# # /ip4/18.192.182.103/udp/9000/p2p/16Uiu2HAmVHXRwinNmyfyN9jVTR7wbKuGd8dEkSLX3iTQThpMNAXi
+- enr:-Ku4QJTSfjugOE_5xyEDYceUlHTd8QiP1QF5q4o6APwk9V7QXV6POQKfhXixhLNMI-_-tGRRorbzR_vMAFe_vQT5XWYBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpCFITryGVBHAP__________gmlkgnY0gmlwhBLAtmeJc2VjcDI1NmsxoQP3FwrhFYB60djwRjAoOjttq6du94DtkQuaN99wvgqaIYN1ZHCCIyg

common/eth2_network_config/built_in_network_configs/altair-devnet-1/config.yaml

@@ -0,0 +1,73 @@
+# Altair interop devnet config
+
+# Extends the mainnet preset
+PRESET_BASE: 'mainnet'
+
+CONFIG_NAME: "altair-devnet-1"
+
+# Genesis
+# ---------------------------------------------------------------
+MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 10000
+# July 14, 2021, 12pm UTC
+MIN_GENESIS_TIME: 1626264000
+# Location for the altair star is 19h 50m 46.99855 + 1, since its the second devnet
+GENESIS_FORK_VERSION: 0x19504700
+# 86400 seconds (1 day)
+GENESIS_DELAY: 86400
+
+
+# Forking
+# ---------------------------------------------------------------
+# Some forks are disabled for now:
+#  - These may be re-assigned to another fork-version later
+#  - Temporarily set to max uint64 value: 2**64 - 1
+
+# Altair
+# increasing altair fork version by 1 to differentiate from altair-devnet-0
+ALTAIR_FORK_VERSION: 0x01000001
+ALTAIR_FORK_EPOCH: 10
+# Merge
+MERGE_FORK_VERSION: 0x02000000
+MERGE_FORK_EPOCH: 18446744073709551615
+# Sharding
+SHARDING_FORK_VERSION: 0x03000000
+SHARDING_FORK_EPOCH: 18446744073709551615
+
+# TBD, 2**32 is a placeholder. Merge transition approach is in active R&D.
+MIN_ANCHOR_POW_BLOCK_DIFFICULTY: 4294967296
+
+
+# Time parameters
+# ---------------------------------------------------------------
+# 12 seconds
+SECONDS_PER_SLOT: 12
+# 14 (estimate from Eth1 mainnet)
+SECONDS_PER_ETH1_BLOCK: 14
+# 2**8 (= 256) epochs ~27 hours
+MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
+# 2**8 (= 256) epochs ~27 hours
+SHARD_COMMITTEE_PERIOD: 256
+# 2**11 (= 2,048) Eth1 blocks ~8 hours
+ETH1_FOLLOW_DISTANCE: 2048
+
+
+# Validator cycle
+# ---------------------------------------------------------------
+# 2**2 (= 4)
+INACTIVITY_SCORE_BIAS: 4
+# 2**4 (= 16)
+INACTIVITY_SCORE_RECOVERY_RATE: 16
+# 2**4 * 10**9 (= 16,000,000,000) Gwei
+EJECTION_BALANCE: 16000000000
+# 2**2 (= 4)
+MIN_PER_EPOCH_CHURN_LIMIT: 4
+# 2**16 (= 65,536)
+CHURN_LIMIT_QUOTIENT: 65536
+
+
+# Deposit contract
+# ---------------------------------------------------------------
+# Ethereum Goerli testnet
+DEPOSIT_CHAIN_ID: 5
+DEPOSIT_NETWORK_ID: 5
+DEPOSIT_CONTRACT_ADDRESS: 0x5004957f885F5A5408e6Ff50B338435aD3fE4E17

common/eth2_network_config/built_in_network_configs/altair-devnet-1/deploy_block.txt

@@ -0,0 +1 @@
+5110538

common/eth2_network_config/src/lib.rs

@@ -40,8 +40,10 @@ const PYRMONT: HardcodedNet = define_net!(pyrmont, include_pyrmont_file);
 const MAINNET: HardcodedNet = define_net!(mainnet, include_mainnet_file);
 const PRATER: HardcodedNet = define_net!(prater, include_prater_file);
 const ALTAIR_DEVNET_0: HardcodedNet = define_net!(altair_devnet_0, include_altair_devnet_0_file);
+const ALTAIR_DEVNET_1: HardcodedNet = define_net!(altair_devnet_1, include_altair_devnet_1_file);
 
-const HARDCODED_NETS: &[HardcodedNet] = &[PYRMONT, MAINNET, PRATER, ALTAIR_DEVNET_0];
+const HARDCODED_NETS: &[HardcodedNet] =
+    &[PYRMONT, MAINNET, PRATER, ALTAIR_DEVNET_0, ALTAIR_DEVNET_1];
 pub const DEFAULT_HARDCODED_NETWORK: &str = "mainnet";
 
 /// Specifies an Eth2 network.

lighthouse/src/main.rs

@@ -123,7 +123,7 @@ fn main() {
                 .long("network")
                 .value_name("network")
                 .help("Name of the Eth2 chain Lighthouse will sync and follow.")
-                .possible_values(&["pyrmont", "mainnet", "prater", "altair-devnet-0"])
+                .possible_values(&["pyrmont", "mainnet", "prater", "altair-devnet-0", "altair-devnet-1"])
                 .conflicts_with("testnet-dir")
                 .takes_value(true)
                 .global(true)