0.7.7 reservoir (#347)

* temp save

* temp save

* feat: add new pallet reservoir

* feat: expire event

* feat: adaptation reservoir

Cargo.toml

@@ -443,6 +443,7 @@ pallet-cess-treasury = { path = "pallets/cess-treasury", default-features = fals
 pallet-evm-account-mapping = { path = "pallets/evm-account-mapping", default-features = false }
 pallet-file-bank = { path = "pallets/file-bank", default-features = false }
 pallet-oss = { path = "pallets/oss", default-features = false }
+pallet-reservoir = { path= "pallets/reservoir", default-features = false }
 pallet-scheduler-credit = { path = "pallets/scheduler-credit", default-features = false }
 pallet-sminer = { path = "pallets/sminer", default-features = false }
 pallet-storage-handler = { path = "pallets/storage-handler", default-features = false }

pallets/audit/Cargo.toml

@@ -26,22 +26,15 @@ cp-cess-common = { workspace = true }
 cp-enclave-verify = { workspace = true }
 pallet-cess-treasury = { workspace = true }
 
+# polkadot 
 frame-benchmarking = { workspace = true, optional = true }
-
 frame-support = { workspace = true }
-
 frame-system = { workspace = true }
-
 sp-io = { workspace = true }
-
 sp-std = { workspace = true }
-
 pallet-balances = { workspace = true }
-
 sp-core = { workspace = true }
-
 pallet-timestamp = { workspace = true }
-
 sp-runtime = { workspace = true }
 
 # local dependencies

pallets/reservoir/Cargo.toml

@@ -0,0 +1,30 @@
+[package]
+name = "pallet-reservoir"
+authors = ["CESS LAB"]
+version = "0.7.7"
+edition = "2021"
+license = "Apache-2.0"
+repository = "https://github.com/CESSProject/cess"
+description = "FRAME pallet for segment management"
+readme = "README.md"
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = ["derive", "max-encoded-len"] }
+scale-info = { workspace = true, features = ["derive"] }
+sp-std = { workspace = true }
+sp-runtime = { workspace = true }
+
+# substrate
+frame-support = { workspace = true }
+frame-system = { workspace = true }
+pallet-balances = { workspace = true }
+
+[features]
+default = ["std"]
+std = [
+    "codec/std",
+    "scale-info/std",
+    "sp-std/std",
+    "frame-support/std",
+    "frame-system/std",
+]

pallets/reservoir/src/impls.rs

@@ -0,0 +1,21 @@
+use super::*;
+use sp_runtime::traits::Zero;
+
+impl<Balance: Zero> Default for ReservoirInfo<Balance> {
+    fn default() -> Self {
+        ReservoirInfo::<Balance> {
+            free_balance: Balance::zero(),
+            borrow_balance: Balance::zero(),
+            store_balance: Balance::zero(),
+        }
+    }
+}
+
+impl<Balance: Zero> Default  for UserHold<Balance> {
+    fn default() -> Self {
+        UserHold::<Balance> {
+            free: Balance::zero(),
+            staking: Balance::zero(),
+        }
+    }
+}