Add CosmosMsg::Stargate case back

CHANGELOG.md

@@ -35,8 +35,11 @@ and this project adheres to
 
 - cosmwasm-std: Correctly deallocate vectors that were turned into a `Region`
   via `release_buffer` ([#2062])
+- cosmwasm-std: Add back `CosmosMsg::Stargate` case to support new contracts on
+  older CosmWasm versions
 
 [#2062]: https://github.com/CosmWasm/cosmwasm/pull/2062
+[#2083]: https://github.com/CosmWasm/cosmwasm/pull/2083
 
 ## [2.0.0] - 2024-03-12
 

contracts/ibc-reflect-send/schema/ibc-reflect-send.json

@@ -240,6 +240,32 @@
             },
             "additionalProperties": false
           },
+          {
+            "description": "This is the same structure as messages in `TxBody` from [ADR-020](https://github.com/cosmos/cosmos-sdk/blob/master/docs/architecture/adr-020-protobuf-transaction-encoding.md)",
+            "deprecated": true,
+            "type": "object",
+            "required": [
+              "stargate"
+            ],
+            "properties": {
+              "stargate": {
+                "type": "object",
+                "required": [
+                  "type_url",
+                  "value"
+                ],
+                "properties": {
+                  "type_url": {
+                    "type": "string"
+                  },
+                  "value": {
+                    "$ref": "#/definitions/Binary"
+                  }
+                }
+              }
+            },
+            "additionalProperties": false
+          },
           {
             "type": "object",
             "required": [

contracts/ibc-reflect-send/schema/ibc/packet_msg.json

@@ -178,6 +178,32 @@
           },
           "additionalProperties": false
         },
+        {
+          "description": "This is the same structure as messages in `TxBody` from [ADR-020](https://github.com/cosmos/cosmos-sdk/blob/master/docs/architecture/adr-020-protobuf-transaction-encoding.md)",
+          "deprecated": true,
+          "type": "object",
+          "required": [
+            "stargate"
+          ],
+          "properties": {
+            "stargate": {
+              "type": "object",
+              "required": [
+                "type_url",
+                "value"
+              ],
+              "properties": {
+                "type_url": {
+                  "type": "string"
+                },
+                "value": {
+                  "$ref": "#/definitions/Binary"
+                }
+              }
+            }
+          },
+          "additionalProperties": false
+        },
         {
           "type": "object",
           "required": [

contracts/ibc-reflect-send/schema/raw/execute.json

@@ -229,6 +229,32 @@
           },
           "additionalProperties": false
         },
+        {
+          "description": "This is the same structure as messages in `TxBody` from [ADR-020](https://github.com/cosmos/cosmos-sdk/blob/master/docs/architecture/adr-020-protobuf-transaction-encoding.md)",
+          "deprecated": true,
+          "type": "object",
+          "required": [
+            "stargate"
+          ],
+          "properties": {
+            "stargate": {
+              "type": "object",
+              "required": [
+                "type_url",
+                "value"
+              ],
+              "properties": {
+                "type_url": {
+                  "type": "string"
+                },
+                "value": {
+                  "$ref": "#/definitions/Binary"
+                }
+              }
+            }
+          },
+          "additionalProperties": false
+        },
         {
           "type": "object",
           "required": [

contracts/ibc-reflect/schema/ibc/packet_msg.json

@@ -230,6 +230,32 @@
           },
           "additionalProperties": false
         },
+        {
+          "description": "This is the same structure as messages in `TxBody` from [ADR-020](https://github.com/cosmos/cosmos-sdk/blob/master/docs/architecture/adr-020-protobuf-transaction-encoding.md)",
+          "deprecated": true,
+          "type": "object",
+          "required": [
+            "stargate"
+          ],
+          "properties": {
+            "stargate": {
+              "type": "object",
+              "required": [
+                "type_url",
+                "value"
+              ],
+              "properties": {
+                "type_url": {
+                  "type": "string"
+                },
+                "value": {
+                  "$ref": "#/definitions/Binary"
+                }
+              }
+            }
+          },
+          "additionalProperties": false
+        },
         {
           "description": "`CosmosMsg::Any` is the replaces the \"stargate message\" – a message wrapped in a [protobuf Any](https://protobuf.dev/programming-guides/proto3/#any) that is suppored by the chain. It behaves the same as `CosmosMsg::Stargate` but has a better name and slightly improved syntax.\n\nThis is feature-gated at compile time with `cosmwasm_2_0` because a chain running CosmWasm < 2.0 cannot process this.",
           "type": "object",

contracts/reflect/schema/raw/execute.json

@@ -215,6 +215,32 @@
           },
           "additionalProperties": false
         },
+        {
+          "description": "This is the same structure as messages in `TxBody` from [ADR-020](https://github.com/cosmos/cosmos-sdk/blob/master/docs/architecture/adr-020-protobuf-transaction-encoding.md)",
+          "deprecated": true,
+          "type": "object",
+          "required": [
+            "stargate"
+          ],
+          "properties": {
+            "stargate": {
+              "type": "object",
+              "required": [
+                "type_url",
+                "value"
+              ],
+              "properties": {
+                "type_url": {
+                  "type": "string"
+                },
+                "value": {
+                  "$ref": "#/definitions/Binary"
+                }
+              }
+            }
+          },
+          "additionalProperties": false
+        },
         {
           "description": "`CosmosMsg::Any` is the replaces the \"stargate message\" – a message wrapped in a [protobuf Any](https://protobuf.dev/programming-guides/proto3/#any) that is suppored by the chain. It behaves the same as `CosmosMsg::Stargate` but has a better name and slightly improved syntax.\n\nThis is feature-gated at compile time with `cosmwasm_2_0` because a chain running CosmWasm < 2.0 cannot process this.",
           "type": "object",

contracts/reflect/schema/reflect.json

@@ -225,6 +225,32 @@
             },
             "additionalProperties": false
           },
+          {
+            "description": "This is the same structure as messages in `TxBody` from [ADR-020](https://github.com/cosmos/cosmos-sdk/blob/master/docs/architecture/adr-020-protobuf-transaction-encoding.md)",
+            "deprecated": true,
+            "type": "object",
+            "required": [
+              "stargate"
+            ],
+            "properties": {
+              "stargate": {
+                "type": "object",
+                "required": [
+                  "type_url",
+                  "value"
+                ],
+                "properties": {
+                  "type_url": {
+                    "type": "string"
+                  },
+                  "value": {
+                    "$ref": "#/definitions/Binary"
+                  }
+                }
+              }
+            },
+            "additionalProperties": false
+          },
           {
             "description": "`CosmosMsg::Any` is the replaces the \"stargate message\" – a message wrapped in a [protobuf Any](https://protobuf.dev/programming-guides/proto3/#any) that is suppored by the chain. It behaves the same as `CosmosMsg::Stargate` but has a better name and slightly improved syntax.\n\nThis is feature-gated at compile time with `cosmwasm_2_0` because a chain running CosmWasm < 2.0 cannot process this.",
             "type": "object",

packages/std/src/results/cosmos_msg.rs

@@ -1,3 +1,5 @@
+#![allow(deprecated)]
+
 use core::fmt;
 use derivative::Derivative;
 use schemars::JsonSchema;
@@ -34,6 +36,13 @@ pub enum CosmosMsg<T = Empty> {
     Staking(StakingMsg),
     #[cfg(feature = "staking")]
     Distribution(DistributionMsg),
+    /// This is the same structure as messages in `TxBody` from [ADR-020](https://github.com/cosmos/cosmos-sdk/blob/master/docs/architecture/adr-020-protobuf-transaction-encoding.md)
+    #[cfg(feature = "stargate")]
+    #[deprecated = "Use `CosmosMsg::Any` instead (if you can)"]
+    Stargate {
+        type_url: String,
+        value: Binary,
+    },
     /// `CosmosMsg::Any` is the replaces the "stargate message" – a message wrapped
     /// in a [protobuf Any](https://protobuf.dev/programming-guides/proto3/#any)
     /// that is suppored by the chain. It behaves the same as