Add per tranche info for lockups

.changelog/unreleased/features/208-add-per-tranche-info.md

@@ -0,0 +1,2 @@
+- Add information about when lockups can vote again to the `per_tranche_info` endpoint.
+  ([\#208](https://github.com/informalsystems/hydro/pull/208))

artifacts/checksums.txt

@@ -1,2 +1,2 @@
-a99875e8e9fe0a9fdc4dd162f30c439594668b19fa25675c7ea27bb078fd08cd  hydro.wasm
+8b86f0dcccae63522d9a40f11ee08f432570ade1abd75f6e48182f4907ea384d  hydro.wasm
 de282a84a0c8179a35ddfb8aca950ade2207b235c0b2d9b7fe6bd5b23537aef0  tribute.wasm

contracts/hydro/schema/all_user_lockups_response.json

@@ -9,7 +9,7 @@
     "lockups": {
       "type": "array",
       "items": {
-        "$ref": "#/definitions/LockEntryWithPower"
+        "$ref": "#/definitions/LockupWithPerTrancheInfo"
       }
     }
   },
@@ -73,6 +73,53 @@
       },
       "additionalProperties": false
     },
+    "LockupWithPerTrancheInfo": {
+      "type": "object",
+      "required": [
+        "lock_with_power",
+        "per_tranche_info"
+      ],
+      "properties": {
+        "lock_with_power": {
+          "$ref": "#/definitions/LockEntryWithPower"
+        },
+        "per_tranche_info": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/PerTrancheLockupInfo"
+          }
+        }
+      },
+      "additionalProperties": false
+    },
+    "PerTrancheLockupInfo": {
+      "type": "object",
+      "required": [
+        "next_round_lockup_can_vote",
+        "tranche_id"
+      ],
+      "properties": {
+        "current_voted_on_proposal": {
+          "type": [
+            "integer",
+            "null"
+          ],
+          "format": "uint64",
+          "minimum": 0.0
+        },
+        "next_round_lockup_can_vote": {
+          "type": "integer",
+          "format": "uint64",
+          "minimum": 0.0
+        },
+        "tranche_id": {
+          "type": "integer",
+          "format": "uint64",
+          "minimum": 0.0
+        }
+      },
+      "additionalProperties": false
+    },
     "Timestamp": {
       "description": "A point in time in nanosecond precision.\n\nThis type can represent times from 1970-01-01T00:00:00Z to 2554-07-21T23:34:33Z.\n\n## Examples\n\n``` # use cosmwasm_std::Timestamp; let ts = Timestamp::from_nanos(1_000_000_202); assert_eq!(ts.nanos(), 1_000_000_202); assert_eq!(ts.seconds(), 1); assert_eq!(ts.subsec_nanos(), 202);\n\nlet ts = ts.plus_seconds(2); assert_eq!(ts.nanos(), 3_000_000_202); assert_eq!(ts.seconds(), 3); assert_eq!(ts.subsec_nanos(), 202); ```",
       "allOf": [