Fix/validate test network

CHANGELOG.md

@@ -9,6 +9,7 @@
 - Fixed regtest not accepting transactions with multiple OP_RETURNs.
 - Added `send` method to the signer to be able to quickly send a policy asset.
 - Extended `get_wpkh_utxos` method to be able to filter signer's UTXOs on the fly.
+- Validated `test.esplora.network` values when loading test config to fail early on invalid network names.
 
 ## [0.0.1]
 

crates/test/src/config.rs

@@ -43,8 +43,10 @@ impl TestConfig {
 
         file.read_to_string(&mut content)?;
 
-        // TODO: check that network name is correct
-        Ok(toml::from_str(&content)?)
+        let config: Self = toml::from_str(&content)?;
+        Self::validate(&config)?;
+
+        Ok(config)
     }
 
     pub fn to_regtest_config(&self) -> RegtestConfig {
@@ -66,6 +68,22 @@ impl TestConfig {
 
         Ok(())
     }
+
+    fn validate(config: &Self) -> Result<(), TestError> {
+        if let Some(esplora_config) = &config.esplora {
+            Self::validate_network(&esplora_config.network)?;
+        }
+
+        Ok(())
+    }
+
+    fn validate_network(network: &str) -> Result<(), TestError> {
+        if network != "Liquid" && network != "LiquidTestnet" && network != "ElementsRegtest" {
+            return Err(TestError::BadNetworkName(network.to_string()));
+        }
+
+        Ok(())
+    }
 }
 
 impl Default for TestConfig {

crates/test/src/error.rs

@@ -19,6 +19,9 @@ pub enum TestError {
     #[error("Failed to deserialize config: '{0}'")]
     ConfigDeserialize(#[from] toml::de::Error),
 
+    #[error("Network name should either be `Liquid`, `LiquidTestnet` or `ElementsRegtest`, got: {0}")]
+    BadNetworkName(String),
+
     #[error("io error occurred: '{0}'")]
     Io(#[from] io::Error),
 }