Delete Kiln and Ropsten configs (#4038)

## Proposed Changes

Remove built-in support for Ropsten and Kiln via the `--network` flag. Both testnets are long dead and deprecated.

This shaves about 30MiB off the binary size, from 135MiB to 103MiB (maxperf), or 165MiB to 135MiB (release).

book/src/database-migrations.md

@@ -116,7 +116,7 @@ Several conditions need to be met in order to run `lighthouse db`:
 2. The command must run as the user that owns the beacon node database. If you are using systemd then
    your beacon node might run as a user called `lighthousebeacon`.
 3. The `--datadir` flag must be set to the location of the Lighthouse data directory.
-4. The `--network` flag must be set to the correct network, e.g. `mainnet`, `prater` or `ropsten`.
+4. The `--network` flag must be set to the correct network, e.g. `mainnet`, `prater` or `sepolia`.
 
 The general form for a `lighthouse db` command is:
 

common/eth2_config/src/lib.rs

@@ -278,26 +278,6 @@ define_hardcoded_nets!(
         // directory.
         GENESIS_STATE_IS_KNOWN
     ),
-    (
-        // Network name (must be unique among all networks).
-        kiln,
-        // The name of the directory in the `eth2_network_config/built_in_network_configs`
-        // directory where the configuration files are located for this network.
-        "kiln",
-        // Set to `true` if the genesis state can be found in the `built_in_network_configs`
-        // directory.
-        GENESIS_STATE_IS_KNOWN
-    ),
-    (
-        // Network name (must be unique among all networks).
-        ropsten,
-        // The name of the directory in the `eth2_network_config/built_in_network_configs`
-        // directory where the configuration files are located for this network.
-        "ropsten",
-        // Set to `true` if the genesis state can be found in the `built_in_network_configs`
-        // directory.
-        GENESIS_STATE_IS_KNOWN
-    ),
     (
         // Network name (must be unique among all networks).
         sepolia,

common/eth2_network_config/built_in_network_configs/kiln/boot_enr.yaml

@@ -1,3 +0,0 @@
-- enr:-Iq4QMCTfIMXnow27baRUb35Q8iiFHSIDBJh6hQM5Axohhf4b6Kr_cOCu0htQ5WvVqKvFgY28893DHAg8gnBAXsAVqmGAX53x8JggmlkgnY0gmlwhLKAlv6Jc2VjcDI1NmsxoQK6S-Cii_KmfFdUJL2TANL3ksaKUnNXvTCv1tLwXs0QgIN1ZHCCIyk
-- enr:-KG4QFkPJUFWuONp5grM94OJvNht9wX6N36sA4wqucm6Z02ECWBQRmh6AzndaLVGYBHWre67mjK-E0uKt2CIbWrsZ_8DhGV0aDKQc6pfXHAAAHAyAAAAAAAAAIJpZIJ2NIJpcISl6LTmiXNlY3AyNTZrMaEDHlSNOgYrNWP8_l_WXqDMRvjv6gUAvHKizfqDDVc8feaDdGNwgiMog3VkcIIjKA
-- enr:-MK4QI-wkVW1PxL4ksUM4H_hMgTTwxKMzvvDMfoiwPBuRxcsGkrGPLo4Kho3Ri1DEtJG4B6pjXddbzA9iF2gVctxv42GAX9v5WG5h2F0dG5ldHOIAAAAAAAAAACEZXRoMpBzql9ccAAAcDIAAAAAAAAAgmlkgnY0gmlwhKRcjMiJc2VjcDI1NmsxoQK1fc46pmVHKq8HNYLkSVaUv4uK2UBsGgjjGWU6AAhAY4hzeW5jbmV0cwCDdGNwgiMog3VkcIIjKA

common/eth2_network_config/built_in_network_configs/kiln/config.yaml

@@ -1,69 +0,0 @@
-# Extends the mainnet preset
-CONFIG_NAME: 'kiln'
-PRESET_BASE: 'mainnet'
-# Genesis
-# ---------------------------------------------------------------
-MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 95000
-# Mar 11th, 2022, 14:00 UTC
-MIN_GENESIS_TIME: 1647007200
-# Genesis fork
-GENESIS_FORK_VERSION: 0x70000069
-# 300 seconds (5 min)
-GENESIS_DELAY: 300
-
-
-# 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
-ALTAIR_FORK_VERSION: 0x70000070
-ALTAIR_FORK_EPOCH: 50
-# Bellatrix
-BELLATRIX_FORK_VERSION: 0x70000071
-BELLATRIX_FORK_EPOCH: 150
-TERMINAL_TOTAL_DIFFICULTY: 20000000000000
-TERMINAL_BLOCK_HASH: 0x0000000000000000000000000000000000000000000000000000000000000000
-TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH: 18446744073709551615
-
-# Sharding
-SHARDING_FORK_VERSION: 0x03000000
-SHARDING_FORK_EPOCH: 18446744073709551615
-
-
-# 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
-# 16 blocks is ~190s
-ETH1_FOLLOW_DISTANCE: 16
-
-
-# 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
-# ---------------------------------------------------------------
-# Custom Ethereum testnet
-DEPOSIT_CHAIN_ID: 1337802
-DEPOSIT_NETWORK_ID: 1337802
-DEPOSIT_CONTRACT_ADDRESS: 0x4242424242424242424242424242424242424242

common/eth2_network_config/built_in_network_configs/kiln/deploy_block.txt

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

common/eth2_network_config/built_in_network_configs/ropsten/boot_enr.yaml

@@ -1,4 +0,0 @@
-# Pari
-- enr:-Iq4QMCTfIMXnow27baRUb35Q8iiFHSIDBJh6hQM5Axohhf4b6Kr_cOCu0htQ5WvVqKvFgY28893DHAg8gnBAXsAVqmGAX53x8JggmlkgnY0gmlwhLKAlv6Jc2VjcDI1NmsxoQK6S-Cii_KmfFdUJL2TANL3ksaKUnNXvTCv1tLwXs0QgIN1ZHCCIyk
-# Teku
-- enr:-KG4QMJSJ7DHk6v2p-W8zQ3Xv7FfssZ_1E3p2eY6kN13staMObUonAurqyWhODoeY6edXtV8e9eL9RnhgZ9va2SMDRQMhGV0aDKQS-iVMYAAAHD0AQAAAAAAAIJpZIJ2NIJpcIQDhAAhiXNlY3AyNTZrMaEDXBVUZhhmdy1MYor1eGdRJ4vHYghFKDgjyHgt6sJ-IlCDdGNwgiMog3VkcIIjKA

common/eth2_network_config/built_in_network_configs/ropsten/config.yaml

@@ -1,71 +0,0 @@
-# Extends the mainnet preset
-PRESET_BASE: 'mainnet'
-CONFIG_NAME: 'ropsten'
-
-# Genesis
-# ---------------------------------------------------------------
-MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 100000
-# Monday, May 30th, 2022 3:00:00 PM +UTC
-MIN_GENESIS_TIME: 1653318000
-GENESIS_FORK_VERSION: 0x80000069
-GENESIS_DELAY: 604800
-
-
-# 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
-ALTAIR_FORK_VERSION: 0x80000070
-ALTAIR_FORK_EPOCH: 500
-# Merge
-BELLATRIX_FORK_VERSION: 0x80000071
-BELLATRIX_FORK_EPOCH: 750
-TERMINAL_TOTAL_DIFFICULTY: 50000000000000000
-TERMINAL_BLOCK_HASH: 0x0000000000000000000000000000000000000000000000000000000000000000
-TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH: 18446744073709551615
-
-# Sharding
-SHARDING_FORK_VERSION: 0x03001020
-SHARDING_FORK_EPOCH: 18446744073709551615
-
-# 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
-
-
-# Fork choice
-# ---------------------------------------------------------------
-# 40%
-PROPOSER_SCORE_BOOST: 40
-
-# Deposit contract
-# ---------------------------------------------------------------
-DEPOSIT_CHAIN_ID: 3
-DEPOSIT_NETWORK_ID: 3
-DEPOSIT_CONTRACT_ADDRESS: 0x6f22fFbC56eFF051aECF839396DD1eD9aD6BBA9D

common/eth2_network_config/built_in_network_configs/ropsten/deploy_block.txt

@@ -1 +0,0 @@
-12269949

testing/web3signer_tests/src/lib.rs

@@ -660,17 +660,17 @@ mod tests {
     }
 
     #[tokio::test]
-    async fn ropsten_base_types() {
+    async fn sepolia_base_types() {
-        test_base_types("ropsten", 4250).await
+        test_base_types("sepolia", 4250).await
     }
 
     #[tokio::test]
-    async fn ropsten_altair_types() {
+    async fn sepolia_altair_types() {
-        test_altair_types("ropsten", 4251).await
+        test_altair_types("sepolia", 4251).await
     }
 
     #[tokio::test]
-    async fn ropsten_merge_types() {
+    async fn sepolia_merge_types() {
-        test_merge_types("ropsten", 4252).await
+        test_merge_types("sepolia", 4252).await
     }
 }