tendermint 0.10.1

Tendermint is a high-performance blockchain consensus engine that powers Byzantine fault tolerant applications written in any programming language. This crate provides core types for representing information about Tendermint blockchain networks, including chain information types, secret connections, and remote procedure calls (JSONRPC).
Documentation 
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//! Tests for parsing configuration files.
//!
//! Test config files are located in the `tests/support/config` subdirectory.

#[cfg(feature = "config")]
mod files {
    use std::{fs, path::PathBuf, time::Duration};
    use tendermint::{config::*, net, node};

    /// Read a fixture file from the `support/config` directory
    fn read_fixture(name: &str) -> String {
        fs::read_to_string(PathBuf::from("./tests/support/config/").join(name)).unwrap()
    }

    /// Parse an example `config.toml` file to a `TendermintConfig` struct
    #[test]
    fn config_toml_parser() {
        let config_toml = read_fixture("config.toml");
        let config = TendermintConfig::parse_toml(&config_toml).unwrap();

        // main base config options

        assert_eq!(
            config.proxy_app,
            "tcp://127.0.0.1:26658".parse::<net::Address>().unwrap()
        );
        assert_eq!(config.moniker.as_ref(), "technodrome");
        assert!(config.fast_sync);
        assert_eq!(config.db_backend, DbBackend::LevelDb);
        assert_eq!(config.db_dir, PathBuf::from("data"));
        assert_eq!(config.log_level.get("main"), Some("info"));
        assert_eq!(config.log_level.get("state"), Some("info"));
        assert_eq!(config.log_level.get("*"), Some("error"));
        assert_eq!(config.log_format, LogFormat::Plain);
        assert_eq!(config.genesis_file, PathBuf::from("config/genesis.json"));
        assert_eq!(
            config.priv_validator_key_file,
            Some(PathBuf::from("config/priv_validator_key.json"))
        );
        assert_eq!(
            config.priv_validator_state_file,
            PathBuf::from("data/priv_validator_state.json")
        );
        assert_eq!(config.priv_validator_laddr, None);
        assert_eq!(config.node_key_file, PathBuf::from("config/node_key.json"));
        assert_eq!(config.abci, AbciMode::Socket);
        assert_eq!(
            config.prof_laddr,
            Some("tcp://localhost:6060".parse::<net::Address>().unwrap())
        );
        assert!(!config.filter_peers);

        // rpc server configuration options

        let rpc = &config.rpc;
        assert_eq!(
            rpc.laddr,
            "tcp://0.0.0.0:26657".parse::<net::Address>().unwrap()
        );
        assert!(rpc.cors_allowed_origins.is_empty());
        assert_eq!(rpc.cors_allowed_methods.len(), 3);
        assert_eq!(rpc.cors_allowed_methods[0].as_ref(), "HEAD");
        assert_eq!(rpc.cors_allowed_methods[1].as_ref(), "GET");
        assert_eq!(rpc.cors_allowed_methods[2].as_ref(), "POST");
        assert_eq!(rpc.cors_allowed_headers.len(), 5);
        assert_eq!(rpc.cors_allowed_headers[0].as_ref(), "Origin");
        assert_eq!(rpc.cors_allowed_headers[1].as_ref(), "Accept");
        assert_eq!(rpc.cors_allowed_headers[2].as_ref(), "Content-Type");
        assert_eq!(rpc.cors_allowed_headers[3].as_ref(), "X-Requested-With");
        assert_eq!(rpc.cors_allowed_headers[4].as_ref(), "X-Server-Time");
        assert_eq!(rpc.grpc_laddr, None);
        assert_eq!(rpc.grpc_max_open_connections, 900);
        assert!(!rpc.unsafe_commands);
        assert_eq!(rpc.max_open_connections, 900);
        assert_eq!(rpc.max_subscription_clients, 100);
        assert_eq!(rpc.max_subscriptions_per_client, 5);
        assert_eq!(*rpc.timeout_broadcast_tx_commit, Duration::from_secs(10));
        assert_eq!(rpc.tls_cert_file, None);
        assert_eq!(rpc.tls_key_file, None);

        // peer to peer configuration options

        let p2p = &config.p2p;
        assert_eq!(
            p2p.laddr,
            "tcp://0.0.0.0:26656".parse::<net::Address>().unwrap()
        );
        assert_eq!(p2p.external_address, None);
        assert_eq!(p2p.seeds.len(), 2);
        assert_eq!(
            p2p.seeds[0],
            "tcp://c2e1bde78877975b31e6f06e77da200a38048e2b@seed-1.example.com:26656"
                .parse::<net::Address>()
                .unwrap()
        );
        assert_eq!(
            p2p.seeds[1],
            "tcp://0eafed3e9e76f626a299e1b8a79454fffe9ca83c@seed-2.example.com:26656"
                .parse::<net::Address>()
                .unwrap()
        );
        assert_eq!(p2p.persistent_peers.len(), 2);
        assert_eq!(
            p2p.persistent_peers[0],
            "tcp://70d834561f91613153e4a873f01a2cbbf1b9678d@1.2.3.4:26656"
                .parse::<net::Address>()
                .unwrap()
        );
        assert_eq!(
            p2p.persistent_peers[1],
            "tcp://f68ed33a0baa0c734a939a9e60659566adc725cd@peer-2.example.com:26656"
                .parse::<net::Address>()
                .unwrap()
        );
        assert!(!p2p.upnp);
        assert_eq!(p2p.addr_book_file, PathBuf::from("config/addrbook.json"));
        assert!(p2p.addr_book_strict);
        assert_eq!(p2p.max_num_inbound_peers, 40);
        assert_eq!(p2p.max_num_outbound_peers, 10);
        assert_eq!(*p2p.flush_throttle_timeout, Duration::from_millis(100));
        assert_eq!(p2p.max_packet_msg_payload_size, 1024);
        assert_eq!(p2p.send_rate.bytes_per_sec(), 5120000);
        assert_eq!(p2p.recv_rate.bytes_per_sec(), 5120000);
        assert!(p2p.pex);
        assert!(!p2p.seed_mode);
        assert_eq!(p2p.private_peer_ids.len(), 3);
        assert_eq!(
            p2p.private_peer_ids[0],
            "8112E5C5AB6A48ADCC0E875D58A4264A2639F6A8"
                .parse::<node::Id>()
                .unwrap()
        );
        assert_eq!(
            p2p.private_peer_ids[1],
            "3D1B9086E48C7BDF7F0D766351EED812A75DE500"
                .parse::<node::Id>()
                .unwrap()
        );
        assert_eq!(
            p2p.private_peer_ids[2],
            "A7306AEE50627E68177A002BADD3BA4A45301AD4"
                .parse::<node::Id>()
                .unwrap()
        );
        assert!(!p2p.allow_duplicate_ip);
        assert_eq!(*p2p.handshake_timeout, Duration::from_secs(20));
        assert_eq!(*p2p.dial_timeout, Duration::from_secs(3));

        // mempool configuration options

        let mempool = &config.mempool;
        assert!(mempool.recheck);
        assert!(mempool.broadcast);
        assert_eq!(mempool.wal_dir, None);
        assert_eq!(mempool.size, 5000);
        assert_eq!(mempool.max_txs_bytes, 1073741824);
        assert_eq!(mempool.cache_size, 10000);

        // consensus configuration options

        let consensus = &config.consensus;
        assert_eq!(consensus.wal_file, PathBuf::from("data/cs.wal/wal"));
        assert_eq!(*consensus.timeout_propose, Duration::from_secs(3));
        assert_eq!(*consensus.timeout_propose_delta, Duration::from_millis(500));
        assert_eq!(*consensus.timeout_prevote, Duration::from_secs(1));
        assert_eq!(*consensus.timeout_prevote_delta, Duration::from_millis(500));
        assert_eq!(*consensus.timeout_precommit, Duration::from_secs(1));
        assert_eq!(
            *consensus.timeout_precommit_delta,
            Duration::from_millis(500)
        );
        assert_eq!(*consensus.timeout_commit, Duration::from_secs(5));
        assert!(!consensus.skip_timeout_commit);
        assert_eq!(
            *consensus.create_empty_blocks_interval,
            Duration::from_secs(0)
        );
        assert_eq!(
            *consensus.peer_gossip_sleep_duration,
            Duration::from_millis(100)
        );
        assert_eq!(
            *consensus.peer_query_maj23_sleep_duration,
            Duration::from_secs(2)
        );

        // transactions indexer configuration options

        let tx_index = &config.tx_index;
        assert_eq!(tx_index.indexer, TxIndexer::Kv);
        assert_eq!(tx_index.index_tags.len(), 1);
        assert_eq!(tx_index.index_tags[0].as_ref(), "tx.height");
        assert!(tx_index.index_all_tags);

        // instrumentation configuration options

        let instrumentation = &config.instrumentation;
        assert!(!instrumentation.prometheus);
        assert_eq!(instrumentation.prometheus_listen_addr, ":26660");
        assert_eq!(instrumentation.max_open_connections, 3);
        assert_eq!(instrumentation.namespace, "tendermint");
    }

    /// Parse an example `node_key.json` file to a `NodeKey` struct
    #[test]
    fn node_key_parser() {
        let raw_node_key = read_fixture("node_key.json");
        let node_key = NodeKey::parse_json(&raw_node_key).unwrap();
        assert_eq!(
            node_key.node_id().to_string(),
            "1A7B6BCF3D6FB055AB3AEBCA415847531B626699"
        );
    }

    /// Parse an example `priv_validator_key.json` to a `PrivValidatorKey` struct
    #[test]
    fn priv_validator_json_parser() {
        let raw_priv_validator_key = read_fixture("priv_validator_key.json");
        let priv_validator_key = PrivValidatorKey::parse_json(&raw_priv_validator_key).unwrap();
        assert_eq!(
            priv_validator_key.consensus_pubkey().to_hex(),
            "1624DE6420F26BF4B2A2E84CEB7A53C3F1AE77408779B20064782FBADBDF0E365959EE4534"
        );
    }
}