impl permission mode

ipc/api/src/subnet.rs

@@ -7,6 +7,7 @@
 /// However, we should either deprecate the native actors, or make
 /// them use the types from this sdk directly.
 use crate::subnet_id::SubnetID;
+use anyhow::anyhow;
 use fvm_ipld_encoding::repr::*;
 use fvm_shared::{address::Address, clock::ChainEpoch, econ::TokenAmount};
 use serde::{Deserialize, Serialize};
@@ -96,3 +97,16 @@ pub struct ConstructParams {
 pub enum ConsensusType {
     Fendermint,
 }
+
+impl TryFrom<u8> for PermissionMode {
+    type Error = anyhow::Error;
+
+    fn try_from(value: u8) -> Result<Self, Self::Error> {
+        Ok(match value {
+            0 => PermissionMode::Collateral,
+            1 => PermissionMode::Federated,
+            2 => PermissionMode::Static,
+            _ => return Err(anyhow!("unknown power permission mode")),
+        })
+    }
+}

ipc/provider/src/manager/evm/manager.rs

@@ -794,6 +794,8 @@ impl SubnetManager for EthSubnetManager {
 
         let genesis_balances = contract.genesis_balances().await?;
         let bottom_up_checkpoint_period = contract.bottom_up_check_period().call().await?.as_u64();
+        let permission_mode =
+            PermissionMode::try_from(contract.permission_mode().call().await? as u8)?;
 
         Ok(SubnetGenesisInfo {
             // Active validators limit set for the child subnet.
@@ -809,8 +811,7 @@ impl SubnetManager for EthSubnetManager {
             // Custom message fee that the child subnet wants to set for cross-net messages
             validators: from_contract_validators(contract.genesis_validators().call().await?)?,
             genesis_balances: into_genesis_balance_map(genesis_balances.0, genesis_balances.1)?,
-            // TODO: fixme https://github.com/consensus-shipyard/ipc-monorepo/issues/496
-            permission_mode: PermissionMode::Collateral,
+            permission_mode,
             supply_source: Asset {
                 kind: AssetKind::Native,
                 token_address: None,