Merge pull request #1732 from scrtlabs/add-MsgMigrateContractProposal-for-bc

Add msg migrate contract proposal for bc

Author: cboh4

proto/secret/compute/v1beta1/msg.proto

@@ -243,6 +243,20 @@ message MsgContractGovernanceProposal {
 
 message MsgContractGovernanceProposalResponse {}
 
+// for backward compatibility
+message MsgMigrateContractProposal {
+  option (gogoproto.goproto_getters) = false;
+  option (cosmos.msg.v1.signer) = "authority";
+  option (amino.name) = "wasm/MsgMigrateContractProposal";
+
+  string authority = 1;
+  string title = 2;
+  string description = 3;
+  repeated MigrateContractInfo contracts = 4;
+}
+
+message MsgMigrateContractProposalResponse {}
+
 message MsgSetContractGovernance {
   option (gogoproto.goproto_getters) = false;
   option (cosmos.msg.v1.signer) = "sender";