Remove testnet dir from repo (#857)

* Pull testnet dir with build script

* Add comment

* Don't hardcode the genesis fork

* Re-enable hard-coded test

Cargo.lock

@@ -1212,6 +1212,7 @@ version = "0.1.0"
 dependencies = [
  "eth2-libp2p 0.1.0",
  "eth2_ssz 0.1.2",
+ "reqwest 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",

beacon_node/src/config.rs

@@ -376,9 +376,6 @@ fn init_new_client<E: EthSpec>(
 
     let spec = &mut eth2_config.spec;
 
-    // For now, assume that all networks will use the lighthouse genesis fork.
-    spec.genesis_fork_version = [1, 3, 3, 7];
-
     client_config.eth1.deposit_contract_address =
         format!("{:?}", eth2_testnet_config.deposit_contract_address()?);
     client_config.eth1.deposit_contract_deploy_block =

eth2/utils/eth2_testnet_config/.gitignore

@@ -0,0 +1 @@
+testnet*

eth2/utils/eth2_testnet_config/Cargo.toml

@@ -4,10 +4,14 @@ version = "0.1.0"
 authors = ["Paul Hauner <paul@paulhauner.com>"]
 edition = "2018"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+build = "build.rs"
+
+[build-dependencies]
+reqwest = "0.9.20"
 
 [dev-dependencies]
 tempdir = "0.3"
+reqwest = "0.9.20"
 
 [dependencies]
 serde = "1.0"

eth2/utils/eth2_testnet_config/build.rs

@@ -0,0 +1,61 @@
+/// Pulls down the latest Lighthouse testnet from https://github.com/eth2-clients/eth2-testnets
+use reqwest;
+use std::env;
+use std::fs::File;
+use std::io::Write;
+use std::path::PathBuf;
+
+const TESTNET_ID: &str = "testnet5";
+
+fn main() {
+    match get_all_files() {
+        Ok(()) => (),
+        Err(e) => panic!(e),
+    }
+}
+
+pub fn get_all_files() -> Result<(), String> {
+    if !base_dir().exists() {
+        std::fs::create_dir_all(base_dir())
+            .map_err(|e| format!("Unable to create {:?}: {}", base_dir(), e))?;
+
+        get_file("boot_enr.yaml")?;
+        get_file("config.yaml")?;
+        get_file("deploy_block.txt")?;
+        get_file("deposit_contract.txt")?;
+        get_file("genesis.ssz")?;
+    }
+
+    Ok(())
+}
+
+pub fn get_file(filename: &str) -> Result<(), String> {
+    let url = format!(
+        "https://raw.githubusercontent.com/eth2-clients/eth2-testnets/master/lighthouse/{}/{}",
+        TESTNET_ID, filename
+    );
+
+    let path = base_dir().join(filename);
+    let mut file =
+        File::create(path).map_err(|e| format!("Failed to create {}: {:?}", filename, e))?;
+
+    let mut response =
+        reqwest::get(&url).map_err(|e| format!("Failed to download {}: {}", filename, e))?;
+    let mut contents: Vec<u8> = vec![];
+    response
+        .copy_to(&mut contents)
+        .map_err(|e| format!("Failed to read {} response bytes: {}", filename, e))?;
+
+    file.write(&contents)
+        .map_err(|e| format!("Failed to write to {}: {:?}", filename, e))?;
+
+    Ok(())
+}
+
+fn base_dir() -> PathBuf {
+    env::var("CARGO_MANIFEST_DIR")
+        .expect("should know manifest dir")
+        .parse::<PathBuf>()
+        .expect("should parse manifest dir as path")
+        .join(TESTNET_ID)
+}

eth2/utils/eth2_testnet_config/src/lib.rs

@@ -20,11 +20,11 @@ pub const BOOT_ENR_FILE: &str = "boot_enr.yaml";
 pub const GENESIS_STATE_FILE: &str = "genesis.ssz";
 pub const YAML_CONFIG_FILE: &str = "config.yaml";
 
-pub const HARDCODED_YAML_CONFIG: &[u8] = include_bytes!("../testnet/config.yaml");
-pub const HARDCODED_DEPLOY_BLOCK: &[u8] = include_bytes!("../testnet/deploy_block.txt");
-pub const HARDCODED_DEPOSIT_CONTRACT: &[u8] = include_bytes!("../testnet/deposit_contract.txt");
-pub const HARDCODED_GENESIS_STATE: &[u8] = include_bytes!("../testnet/genesis.ssz");
-pub const HARDCODED_BOOT_ENR: &[u8] = include_bytes!("../testnet/boot_enr.yaml");
+pub const HARDCODED_YAML_CONFIG: &[u8] = include_bytes!("../testnet5/config.yaml");
+pub const HARDCODED_DEPLOY_BLOCK: &[u8] = include_bytes!("../testnet5/deploy_block.txt");
+pub const HARDCODED_DEPOSIT_CONTRACT: &[u8] = include_bytes!("../testnet5/deposit_contract.txt");
+pub const HARDCODED_GENESIS_STATE: &[u8] = include_bytes!("../testnet5/genesis.ssz");
+pub const HARDCODED_BOOT_ENR: &[u8] = include_bytes!("../testnet5/boot_enr.yaml");
 
 /// Specifies an Eth2 testnet.
 ///
@@ -202,7 +202,6 @@ mod tests {
 
     type E = MainnetEthSpec;
 
-    /* FIXME: add new testnet config and re-enable this test
     #[test]
     fn hard_coded_works() {
         let dir: Eth2TestnetConfig<E> =
@@ -212,7 +211,6 @@ mod tests {
         assert!(dir.genesis_state.is_some());
         assert!(dir.yaml_config.is_some());
     }
-    */
 
     #[test]
     fn round_trip() {

eth2/utils/eth2_testnet_config/testnet/boot_enr.yaml

@@ -1,4 +0,0 @@
-- -Iu4QMK9kcJ246666k9FlE_8IXy8NGP_zO-M8hN4di66eZNjBhoipKSoZaJnHZERnb-0aZ4U4UMPT-We7yx1sfMdbeEDgmlkgnY0gmlwhDbOLfeJc2VjcDI1NmsxoQLVqNEoCVTC74VmUx25USyFe7lL0TgpXHaCX9CDy9H6boN0Y3CCIyiDdWRwgiMo
-- -Iu4QB2V3Y21rbjnId2ZqpssdcQlKB49prr-ggq2smRJLg0xc5_7ar6GfuQkbnlj1LBHKY3l__Lkk8aIM29VgpLCDBgBgmlkgnY0gmlwhCOhiGqJc2VjcDI1NmsxoQMrmBYg_yR_ZKZKoLiChvlpNqdwXwodXmgw_TRow7RVwYN0Y3CCIyiDdWRwgiMo
-- -Iu4QCCuoEoHoOyYO728lOOiMqVZsNs_jd-uhj6_kiuBUySwYtHQLVkycNu8o-4oCzr-ql1u_n8g6tCw3ZXAEf0U008BgmlkgnY0gmlwhA01ZgSJc2VjcDI1NmsxoQPk2OMW7stSjbdcMgrKEdFOLsRkIuxgBFryA3tIJM0YxYN0Y3CCIyiDdWRwgiMo
-- -Iu4QF5vgIx1BDlqFKAiAeejWPphhc_OeHDzM5feKhibcyWHLlDlov8E8L7MDJ8dQvCyaCynJGf0eWUfo5pzLhM_e8QBgmlkgnY0gmlwhDRCMUyJc2VjcDI1NmsxoQJZ8jY1HYauxirnJkVI32FoN7_7KrE05asCkZb7nj_b-YN0Y3CCIyiDdWRwgiMo

eth2/utils/eth2_testnet_config/testnet/config.yaml

@@ -1,51 +0,0 @@
-FAR_FUTURE_EPOCH: 18446744073709551615
-BASE_REWARDS_PER_EPOCH: 4
-DEPOSIT_CONTRACT_TREE_DEPTH: 32
-SECONDS_PER_DAY: 2400
-MAX_COMMITTEES_PER_SLOT: 64
-TARGET_COMMITTEE_SIZE: 128
-MIN_PER_EPOCH_CHURN_LIMIT: 4
-CHURN_LIMIT_QUOTIENT: 65536
-SHUFFLE_ROUND_COUNT: 90
-MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 16384
-MIN_GENESIS_TIME: 0
-MIN_DEPOSIT_AMOUNT: 100
-MAX_EFFECTIVE_BALANCE: 3200000000
-EJECTION_BALANCE: 1600000000
-EFFECTIVE_BALANCE_INCREMENT: 100000000
-GENESIS_SLOT: 0
-BLS_WITHDRAWAL_PREFIX: 0x00
-SECONDS_PER_SLOT: 12
-MIN_ATTESTATION_INCLUSION_DELAY: 1
-MIN_SEED_LOOKAHEAD: 1
-MAX_SEED_LOOKAHEAD: 4
-MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
-PERSISTENT_COMMITTEE_PERIOD: 2048
-MIN_EPOCHS_TO_INACTIVITY_PENALTY: 4
-BASE_REWARD_FACTOR: 64
-WHISTLEBLOWER_REWARD_QUOTIENT: 512
-PROPOSER_REWARD_QUOTIENT: 8
-INACTIVITY_PENALTY_QUOTIENT: 33554432
-MIN_SLASHING_PENALTY_QUOTIENT: 32
-SAFE_SLOTS_TO_UPDATE_JUSTIFIED: 8
-DOMAIN_BEACON_PROPOSER: 0x00000000
-DOMAIN_BEACON_ATTESTER: 0x01000000
-DOMAIN_RANDAO: 0x02000000
-DOMAIN_DEPOSIT: 0x03000000
-DOMAIN_VOLUNTARY_EXIT: 0x04000000
-JUSTIFICATION_BITS_LENGTH: 0x04000000
-MAX_VALIDATORS_PER_COMMITTEE: 2048
-GENESIS_EPOCH: 0
-SLOTS_PER_EPOCH: 32
-SLOTS_PER_ETH1_VOTING_PERIOD: 1024
-SLOTS_PER_HISTORICAL_ROOT: 8192
-EPOCHS_PER_HISTORICAL_VECTOR: 65536
-EPOCHS_PER_SLASHINGS_VECTOR: 8192
-HISTORICAL_ROOTS_LIMIT: 16777216
-VALIDATOR_REGISTRY_LIMIT: 1099511627776
-MAX_PROPOSER_SLASHINGS: 16
-MAX_ATTESTER_SLASHINGS: 1
-MAX_ATTESTATIONS: 128
-MAX_DEPOSITS: 16
-MAX_VOLUNTARY_EXITS: 16
-ETH1_FOLLOW_DISTANCE: 16

eth2/utils/eth2_testnet_config/testnet/deploy_block.txt

@@ -1 +0,0 @@
-1857277

eth2/utils/eth2_testnet_config/testnet/deposit_contract.txt

@@ -1 +0,0 @@
-0x74a03685a1cbc279efe4ea88b5a86d6cb0c6cedb