feat(contracts): create airdrop vesting contract with manager list

Cookbook.md

@@ -579,3 +579,82 @@ The owner is the only one who can execute messages in the contract
   }
 }
 ```
+## 7. Core token vesting
+
+This contract implements vesting accounts for the CW20 and native tokens.
+
+### 7.1 Instantiate
+
+There's no instantiation message.
+
+```javascript
+{}
+```
+
+### 7.2 Execute
+
+- **Receive** 
+
+```javascript
+{
+  "receive": {
+    "sender": "cosmos1...",
+    "amount": "1000000",
+    "msg": "eyJ2ZXN0X2lkIjoxLCJ2ZXN0X3R5cGUiOiJ2ZXN0In0=",
+  }
+}
+```
+
+- **RegisterVestingAccount** registers a vesting account
+
+```javascript
+{
+  "register_vesting_account": {
+    "address": "cosmos1...",
+    "master_address": "cosmos1...",
+    "vesting_schedule": {
+      "linear_vesting": {
+        "start_time": "1703772805",
+        "end_time": "1703872805",
+        "vesting_amount": "1000000"
+      }
+    }
+  }
+}
+```
+
+- **DeregisterVestingAccount** deregisters a vesting account
+
+```javascript
+{
+  "deregister_vesting_account": {
+    "address": "cosmos1...",
+    "denom": "uusd",
+    "vested_token_recipient": "cosmos1...", // address that will receive the vested tokens after deregistration. If None, tokens are received by the owner address.
+    "left_vested_token_recipient": "cosmos1...", // address that will receive the left vesting tokens after deregistration.
+  }
+}
+```
+
+- **Claim** allows to claim vested tokens
+
+```javascript
+{
+  "claim": {
+    "denom": "uusd",
+    "recipient": "cosmos1...",
+  }
+}
+```
+
+### 7.3 Query
+
+- **VestingAccount** returns the vesting account details for a given address.
+
+```javascript
+{
+  "vesting_account": {
+    "address": "cosmos1...",
+  }
+}
+```

README.md

@@ -14,6 +14,7 @@ Smart contract sandbox for Nibiru Chain.
     └── 📂 core-shifter       # Calls peg shift and depth shift in x/perp.
     └── 📂 core-controller    # Calls other admin calls from Nibiru foundation.
     └── 📂 core-token-vesting # Token linear vesting contracts with optional cliffs.
+    └── 📂 airdrop-token-vesting # Token linear vesting contracts with optional cliffs but handled for airdrop.
 ├── 📂 nibiru-std      # Nibiru Chain standard library for smart contracts
     └── 📦 proto       # Types and traits for QueryRequest::Stargate and CosmosMsg::Stargate
          └──           #   Includes constructors for Cosmos, IBC, and Nibiru. 

contracts/README.md

@@ -27,4 +27,6 @@
 
 
 - [**pricefeed**](./pricefeed): Legacy implementation of the Nibiru Oracle Module in pure
-  CosmWasm rather than the Cosmos-SDK.
+  CosmWasm rather than the Cosmos-SDK.
+
+- [**airdrop-token-vesting**](./airdrop-token-vesting/README.md)

contracts/airdrop-token-vesting/.cargo/config

@@ -0,0 +1,7 @@
+[alias]
+wasm = "build --release --target wasm32-unknown-unknown"
+wasm-debug = "build --target wasm32-unknown-unknown"
+unit-test = "test --lib"
+integration-test = "test --test integration"
+schema = "run --example schema"
+

contracts/airdrop-token-vesting/.gitignore

@@ -0,0 +1,12 @@
+# Build results
+/target
+
+# Text file backups
+**/*.rs.bk
+
+# macOS
+.DS_Store
+
+# IDEs
+*.iml
+.idea