feat(c-bridge): add new config params

bridges/centralized-ethereum/src/config.rs

@@ -37,6 +37,12 @@ pub struct Config {
     /// Address of the WitnetRequestsBoard contract
     pub eth_witnet_oracle: H160,
 
+    /// Let the dog out?
+    pub watch_dog_enabled: bool,
+    /// Watch dog polling rate
+    #[serde(default = "default_watch_dog_polling_rate_ms")]
+    pub watch_dog_polling_rate_ms: u64,
+
     /// Minimum collateral required on data requests read from the WitnetOracle contract
     pub witnet_dr_min_collateral_nanowits: u64,
     /// Maximium data request transaction fee assumed by the bridge
@@ -53,6 +59,8 @@ pub struct Config {
     pub witnet_jsonrpc_socket: SocketAddr,
     /// Running in the witnet testnet?
     pub witnet_testnet: bool,
+    /// Bridge UTXO min value threshold
+    pub witnet_utxo_min_value_threshold: u64,
 
     /// Storage
     #[serde(deserialize_with = "nested_toml_if_using_envy")]
@@ -69,6 +77,10 @@ fn default_max_batch_size() -> u16 {
     256
 }
 
+fn default_watch_dog_polling_rate_ms() -> u64 {
+    900_000
+}
+
 /// Gas limits for some methods. If missing, let the client estimate
 #[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(deny_unknown_fields)]

witnet_centralized_ethereum_bridge.toml

@@ -25,18 +25,23 @@ eth_txs_timeout_ms = 900000
 # Address of the WitnetRequestsBoard deployed contract
 eth_witnet_oracle = "0x77703aE126B971c9946d562F41Dd47071dA00777"
 
+# Let the dog out?
+watch_dog_enabled = true 
+
+# Polling period for checking and tracing global status
+watch_dog_polling_rate_ms = 5_000
 
 # Minimum collateral required on data requests read from the WitnetOracle contract
-witnet_dr_min_collateral_nanowits = 20000000000
+witnet_dr_min_collateral_nanowits = 20_000_000_000
 
 # Maximium data request transaction fee assumed by the bridge
-witnet_dr_max_fee_nanowits = 100000
+witnet_dr_max_fee_nanowits = 100_000
 
 # Maximum data request result size (in bytes) will accept to report
 witnet_dr_max_result_size = 64
 
 # Maximum data request value that the bridge will accept to relay
-witnet_dr_max_value_nanowits = 100000000000
+witnet_dr_max_value_nanowits = 100_000_000_000
 
 # Polling period for checking resolution of data requests in the Witnet blockchain
 witnet_dr_txs_polling_rate_ms = 45000
@@ -50,6 +55,8 @@ witnet_jsonrpc_socket = "127.0.0.1:21338"
 # Running in the witnet testnet?
 witnet_testnet = false
 
+# Bridge UTXO min value threshold
+witnet_utxo_min_value_threshold = 2_000_000_000
 
 [eth_gas_limits]
 # Gas limits for some methods.
@@ -59,3 +66,4 @@ witnet_testnet = false
 [storage]
 # Path of the folder where RocksDB storage files will be written to.
 db_path = ".witnet_bridge/storage"
+