feat: add storage commitments to blobs

fendermint/actors/blobs/shared/src/lib.rs

@@ -36,6 +36,9 @@ pub enum Method {
     GetPendingBlobs = frc42_dispatch::method_hash!("GetPendingBlobs"),
     FinalizeBlob = frc42_dispatch::method_hash!("FinalizeBlob"),
     DeleteBlob = frc42_dispatch::method_hash!("DeleteBlob"),
+    GetStorageCommitment = frc42_dispatch::method_hash!("GetStorageCommitment"),
+    AddStorageCommitment = frc42_dispatch::method_hash!("CommitStorage"),
+    RemoveStorageCommitment = frc42_dispatch::method_hash!("UncommitStorage"),
 }
 
 pub fn buy_credit(rt: &impl Runtime, recipient: Address) -> Result<Account, ActorError> {

fendermint/actors/blobs/shared/src/params.rs

@@ -11,6 +11,31 @@ use serde::{Deserialize, Serialize};
 
 use crate::state::{BlobStatus, Hash, PublicKey};
 
+/// Params to get storage committed per validator.
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(transparent)]
+pub struct GetStorageCommittedParams(pub Address);
+
+#[derive(Clone, Debug, Serialize_tuple, Deserialize_tuple)]
+pub struct StorageCommitment {
+    pub address: Address,
+    pub storage: u64,
+}
+
+/// Params to increase storage committed per validator.
+#[derive(Clone, Debug, Serialize_tuple, Deserialize_tuple)]
+pub struct AddStorageCommitmentParams {
+    pub address: Address,
+    pub storage: u64,
+}
+
+/// Params to decrease storage committed per validator.
+#[derive(Clone, Debug, Serialize_tuple, Deserialize_tuple)]
+pub struct RemoveStorageCommitmentParams {
+    pub address: Address,
+    pub storage: u64,
+}
+
 /// Params for buying credits.
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[serde(transparent)]