ValueSetter module: read genesis config from a file.

examples/demo-stf/src/genesis_config.rs

@@ -1,11 +1,12 @@
+use anyhow::Context as AnyhowContext;
 #[cfg(feature = "experimental")]
 use reth_primitives::Bytes;
 use sov_chain_state::ChainStateConfig;
 use sov_cli::wallet_state::PrivateKeyAndAddress;
 #[cfg(feature = "experimental")]
 use sov_evm::{AccountData, EvmConfig, SpecId};
 pub use sov_modules_api::default_context::DefaultContext;
-use sov_modules_api::{Context, PrivateKey, PublicKey};
+use sov_modules_api::Context;
 use sov_rollup_interface::da::DaSpec;
 pub use sov_state::config::Config as StorageConfig;
 use sov_value_setter::ValueSetterConfig;
@@ -38,19 +39,18 @@ pub fn get_genesis_config<C: Context, Da: DaSpec>(
         initial_sequencer_balance,
         token_deployer.address.clone(),
         sequencer_da_address,
-        &token_deployer.private_key,
         #[cfg(feature = "experimental")]
         evm_genesis_addresses,
     )
+    .expect("Unable to read genesis configuration")
 }
 
 fn create_genesis_config<C: Context, Da: DaSpec>(
     initial_sequencer_balance: u64,
     sequencer_address: C::Address,
     sequencer_da_address: Vec<u8>,
-    value_setter_admin_private_key: &C::PrivateKey,
     #[cfg(feature = "experimental")] evm_genesis_addresses: Vec<reth_primitives::Address>,
-) -> GenesisConfig<C, Da> {
+) -> anyhow::Result<GenesisConfig<C, Da>> {
     // This will be read from a file: #872
     let token_config: sov_bank::TokenConfig<C> = sov_bank::TokenConfig {
         token_name: DEMO_TOKEN_NAME.to_owned(),
@@ -81,10 +81,13 @@ fn create_genesis_config<C: Context, Da: DaSpec>(
         is_preferred_sequencer: true,
     };
 
-    // This will be read from a file: #872
-    let value_setter_config = ValueSetterConfig {
-        admin: value_setter_admin_private_key.pub_key().to_address(),
-    };
+    // This path will be injected as a parameter: #872
+    let value_setter_genesis_path = "../test-data/genesis/value_setter.json";
+    let value_setter_data = std::fs::read_to_string(value_setter_genesis_path)
+        .with_context(|| format!("Failed to read genesis from {}", value_setter_genesis_path))?;
+
+    let value_setter_config: ValueSetterConfig<C> = serde_json::from_str(&value_setter_data)
+        .with_context(|| format!("Failed to parse genesis from {}", value_setter_genesis_path))?;
 
     // This will be read from a file: #872
     let chain_state_config = ChainStateConfig {
@@ -93,7 +96,7 @@ fn create_genesis_config<C: Context, Da: DaSpec>(
         current_time: Default::default(),
     };
 
-    GenesisConfig::new(
+    Ok(GenesisConfig::new(
         bank_config,
         sequencer_registry_config,
         (),
@@ -102,7 +105,7 @@ fn create_genesis_config<C: Context, Da: DaSpec>(
         sov_accounts::AccountConfig { pub_keys: vec![] },
         #[cfg(feature = "experimental")]
         get_evm_config(evm_genesis_addresses),
-    )
+    ))
 }
 
 // TODO: #840

examples/test-data/genesis/value_setter.json

@@ -0,0 +1,3 @@
+{
+    "admin":"sov1l6n2cku82yfqld30lanm2nfw43n2auc8clw7r5u5m6s7p8jrm4zqrr8r94"
+}

module-system/module-implementations/examples/sov-value-setter/Cargo.toml

@@ -12,7 +12,9 @@ readme = "README.md"
 resolver = "2"
 publish = false
 
+
 [dev-dependencies]
+sov-value-setter = { path = ".", features = ["native"] }
 tempfile = { workspace = true }
 
 [dependencies]

module-system/module-implementations/examples/sov-value-setter/src/lib.rs

@@ -15,6 +15,10 @@ pub use query::*;
 use sov_modules_api::{Error, ModuleInfo, WorkingSet};
 
 /// Initial configuration for sov-value-setter module.
+#[cfg_attr(
+    feature = "native",
+    derive(serde::Serialize, serde::Deserialize, Debug, PartialEq)
+)]
 pub struct ValueSetterConfig<C: sov_modules_api::Context> {
     /// Admin of the module.
     pub admin: C::Address,

module-system/module-implementations/examples/sov-value-setter/src/tests.rs

@@ -5,6 +5,20 @@ use sov_state::{ProverStorage, ZkStorage};
 use super::ValueSetter;
 use crate::{call, query, ValueSetterConfig};
 
+#[test]
+fn test_config_serialization() {
+    let admin = Address::from([1; 32]);
+    let config = ValueSetterConfig::<DefaultContext> { admin };
+
+    let data = r#"
+    {
+        "admin":"sov1qyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqs259tk3"
+    }"#;
+
+    let parsed_config: ValueSetterConfig<DefaultContext> = serde_json::from_str(data).unwrap();
+    assert_eq!(parsed_config, config);
+}
+
 #[test]
 fn test_value_setter() {
     let tmpdir = tempfile::tempdir().unwrap();