feat: Add server implementation of Group module (#10570)

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## Description

Closes: #9897
Closes: #9905

Adds server implementation of Group module and wires it up in simapp

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [x] provided a link to the relevant issue or specification
- [x] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [x] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [x] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [x] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/cosmos/btcutil v1.0.4
 	github.com/cosmos/cosmos-proto v0.0.0-20211123144845-528f5002c9f8
 	github.com/cosmos/cosmos-sdk/db v0.0.0
+	github.com/cosmos/cosmos-sdk/x/group v0.0.0-00010101000000-000000000000
 	github.com/cosmos/go-bip39 v1.0.0
 	github.com/cosmos/iavl v0.17.3
 	github.com/cosmos/ledger-cosmos-go v0.11.1
@@ -65,6 +66,7 @@ require (
 	github.com/cenkalti/backoff/v4 v4.1.1 // indirect
 	github.com/cespare/xxhash v1.1.0 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/cockroachdb/apd/v2 v2.0.2 // indirect
 	github.com/cosmos/ledger-go v0.9.2 // indirect
 	github.com/danieljoos/wincred v1.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
@@ -151,3 +153,5 @@ replace github.com/99designs/keyring => github.com/cosmos/keyring v1.1.7-0.20210
 replace github.com/gin-gonic/gin => github.com/gin-gonic/gin v1.7.0
 
 replace github.com/cosmos/cosmos-sdk/db => ./db
+
+replace github.com/cosmos/cosmos-sdk/x/group => ./x/group

proto/cosmos/group/v1beta1/events.proto

@@ -0,0 +1,57 @@
+syntax = "proto3";
+
+package cosmos.group.v1beta1;
+
+import "cosmos_proto/cosmos.proto";
+
+option go_package = "github.com/cosmos/cosmos-sdk/x/group";
+
+// EventCreateGroup is an event emitted when a group is created.
+message EventCreateGroup {
+
+  // group_id is the unique ID of the group.
+  uint64 group_id = 1;
+}
+
+// EventUpdateGroup is an event emitted when a group is updated.
+message EventUpdateGroup {
+
+  // group_id is the unique ID of the group.
+  uint64 group_id = 1;
+}
+
+// EventCreateGroupAccount is an event emitted when a group account is created.
+message EventCreateGroupAccount {
+
+  // address is the address of the group account.
+  string address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];;
+}
+
+// EventUpdateGroupAccount is an event emitted when a group account is updated.
+message EventUpdateGroupAccount {
+
+  // address is the address of the group account.
+  string address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];;
+}
+
+// EventCreateProposal is an event emitted when a proposal is created.
+message EventCreateProposal {
+
+  // proposal_id is the unique ID of the proposal.
+  uint64 proposal_id = 1;
+}
+
+// EventVote is an event emitted when a voter votes on a proposal.
+message EventVote {
+
+  // proposal_id is the unique ID of the proposal.
+  uint64 proposal_id = 1;
+}
+
+// EventExec is an event emitted when a proposal is executed.
+message EventExec {
+
+  // proposal_id is the unique ID of the proposal.
+  uint64 proposal_id = 1;
+}
+

proto/cosmos/group/v1beta1/query.proto

@@ -73,7 +73,7 @@ message QueryGroupAccountInfoResponse {
   GroupAccountInfo info = 1;
 }
 
-// QueryGroupMembersRequest is the Query/GroupMembersRequest request type.
+// QueryGroupMembersRequest is the Query/GroupMembers request type.
 message QueryGroupMembersRequest {
 
   // group_id is the unique ID of the group.
@@ -93,7 +93,7 @@ message QueryGroupMembersResponse {
   cosmos.base.query.v1beta1.PageResponse pagination = 2;
 }
 
-// QueryGroupsByAdminRequest is the Query/GroupsByAdminRequest request type.
+// QueryGroupsByAdminRequest is the Query/GroupsByAdmin request type.
 message QueryGroupsByAdminRequest {
 
   // admin is the account address of a group's admin.
@@ -187,7 +187,7 @@ message QueryProposalsByGroupAccountResponse {
   cosmos.base.query.v1beta1.PageResponse pagination = 2;
 }
 
-// QueryVoteByProposalVoterResponse is the Query/VoteByProposalVoter request type.
+// QueryVoteByProposalVoterRequest is the Query/VoteByProposalVoter request type.
 message QueryVoteByProposalVoterRequest {
 
   // proposal_id is the unique ID of a proposal.
@@ -204,7 +204,7 @@ message QueryVoteByProposalVoterResponse {
   Vote vote = 1;
 }
 
-// QueryVotesByProposalResponse is the Query/VotesByProposal request type.
+// QueryVotesByProposalRequest is the Query/VotesByProposal request type.
 message QueryVotesByProposalRequest {
 
   // proposal_id is the unique ID of a proposal.
@@ -224,7 +224,7 @@ message QueryVotesByProposalResponse {
   cosmos.base.query.v1beta1.PageResponse pagination = 2;
 }
 
-// QueryVotesByVoterResponse is the Query/VotesByVoter request type.
+// QueryVotesByVoterRequest is the Query/VotesByVoter request type.
 message QueryVotesByVoterRequest {
   // voter is a proposal voter account address.
   string voter = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];

proto/cosmos/group/v1beta1/tx.proto

@@ -13,46 +13,46 @@ import "cosmos/group/v1beta1/types.proto";
 service Msg {
 
   // CreateGroup creates a new group with an admin account address, a list of members and some optional metadata.
-  rpc CreateGroup(MsgCreateGroupRequest) returns (MsgCreateGroupResponse);
+  rpc CreateGroup(MsgCreateGroup) returns (MsgCreateGroupResponse);
 
   // UpdateGroupMembers updates the group members with given group id and admin address.
-  rpc UpdateGroupMembers(MsgUpdateGroupMembersRequest) returns (MsgUpdateGroupMembersResponse);
+  rpc UpdateGroupMembers(MsgUpdateGroupMembers) returns (MsgUpdateGroupMembersResponse);
 
   // UpdateGroupAdmin updates the group admin with given group id and previous admin address.
-  rpc UpdateGroupAdmin(MsgUpdateGroupAdminRequest) returns (MsgUpdateGroupAdminResponse);
+  rpc UpdateGroupAdmin(MsgUpdateGroupAdmin) returns (MsgUpdateGroupAdminResponse);
 
   // UpdateGroupMetadata updates the group metadata with given group id and admin address.
-  rpc UpdateGroupMetadata(MsgUpdateGroupMetadataRequest) returns (MsgUpdateGroupMetadataResponse);
+  rpc UpdateGroupMetadata(MsgUpdateGroupMetadata) returns (MsgUpdateGroupMetadataResponse);
 
   // CreateGroupAccount creates a new group account using given DecisionPolicy.
-  rpc CreateGroupAccount(MsgCreateGroupAccountRequest) returns (MsgCreateGroupAccountResponse);
+  rpc CreateGroupAccount(MsgCreateGroupAccount) returns (MsgCreateGroupAccountResponse);
 
   // UpdateGroupAccountAdmin updates a group account admin.
-  rpc UpdateGroupAccountAdmin(MsgUpdateGroupAccountAdminRequest) returns (MsgUpdateGroupAccountAdminResponse);
+  rpc UpdateGroupAccountAdmin(MsgUpdateGroupAccountAdmin) returns (MsgUpdateGroupAccountAdminResponse);
 
   // UpdateGroupAccountDecisionPolicy allows a group account decision policy to be updated.
-  rpc UpdateGroupAccountDecisionPolicy(MsgUpdateGroupAccountDecisionPolicyRequest)
+  rpc UpdateGroupAccountDecisionPolicy(MsgUpdateGroupAccountDecisionPolicy)
       returns (MsgUpdateGroupAccountDecisionPolicyResponse);
 
   // UpdateGroupAccountMetadata updates a group account metadata.
-  rpc UpdateGroupAccountMetadata(MsgUpdateGroupAccountMetadataRequest) returns (MsgUpdateGroupAccountMetadataResponse);
+  rpc UpdateGroupAccountMetadata(MsgUpdateGroupAccountMetadata) returns (MsgUpdateGroupAccountMetadataResponse);
 
   // CreateProposal submits a new proposal.
-  rpc CreateProposal(MsgCreateProposalRequest) returns (MsgCreateProposalResponse);
+  rpc CreateProposal(MsgCreateProposal) returns (MsgCreateProposalResponse);
 
   // Vote allows a voter to vote on a proposal.
-  rpc Vote(MsgVoteRequest) returns (MsgVoteResponse);
+  rpc Vote(MsgVote) returns (MsgVoteResponse);
 
   // Exec executes a proposal.
-  rpc Exec(MsgExecRequest) returns (MsgExecResponse);
+  rpc Exec(MsgExec) returns (MsgExecResponse);
 }
 
 //
 // Groups
 //
 
-// MsgCreateGroupRequest is the Msg/CreateGroup request type.
-message MsgCreateGroupRequest {
+// MsgCreateGroup is the Msg/CreateGroup request type.
+message MsgCreateGroup {
 
   // admin is the account address of the group admin.
   string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
@@ -71,8 +71,8 @@ message MsgCreateGroupResponse {
   uint64 group_id = 1;
 }
 
-// MsgUpdateGroupMembersRequest is the Msg/UpdateGroupMembers request type.
-message MsgUpdateGroupMembersRequest {
+// MsgUpdateGroupMembers is the Msg/UpdateGroupMembers request type.
+message MsgUpdateGroupMembers {
 
   // admin is the account address of the group admin.
   string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
@@ -88,8 +88,8 @@ message MsgUpdateGroupMembersRequest {
 // MsgUpdateGroupMembersResponse is the Msg/UpdateGroupMembers response type.
 message MsgUpdateGroupMembersResponse {}
 
-// MsgUpdateGroupAdminRequest is the Msg/UpdateGroupAdmin request type.
-message MsgUpdateGroupAdminRequest {
+// MsgUpdateGroupAdmin is the Msg/UpdateGroupAdmin request type.
+message MsgUpdateGroupAdmin {
 
   // admin is the current account address of the group admin.
   string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
@@ -104,8 +104,8 @@ message MsgUpdateGroupAdminRequest {
 // MsgUpdateGroupAdminResponse is the Msg/UpdateGroupAdmin response type.
 message MsgUpdateGroupAdminResponse {}
 
-// MsgUpdateGroupMetadataRequest is the Msg/UpdateGroupMetadata request type.
-message MsgUpdateGroupMetadataRequest {
+// MsgUpdateGroupMetadata is the Msg/UpdateGroupMetadata request type.
+message MsgUpdateGroupMetadata {
 
   // admin is the account address of the group admin.
   string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
@@ -124,8 +124,8 @@ message MsgUpdateGroupMetadataResponse {}
 // Group Accounts
 //
 
-// MsgCreateGroupAccountRequest is the Msg/CreateGroupAccount request type.
-message MsgCreateGroupAccountRequest {
+// MsgCreateGroupAccount is the Msg/CreateGroupAccount request type.
+message MsgCreateGroupAccount {
   option (gogoproto.goproto_getters) = false;
 
   // admin is the account address of the group admin.
@@ -148,8 +148,8 @@ message MsgCreateGroupAccountResponse {
   string address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
 }
 
-// MsgUpdateGroupAccountAdminRequest is the Msg/UpdateGroupAccountAdmin request type.
-message MsgUpdateGroupAccountAdminRequest {
+// MsgUpdateGroupAccountAdmin is the Msg/UpdateGroupAccountAdmin request type.
+message MsgUpdateGroupAccountAdmin {
 
   // admin is the account address of the group admin.
   string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
@@ -164,8 +164,8 @@ message MsgUpdateGroupAccountAdminRequest {
 // MsgUpdateGroupAccountAdminResponse is the Msg/UpdateGroupAccountAdmin response type.
 message MsgUpdateGroupAccountAdminResponse {}
 
-// MsgUpdateGroupAccountDecisionPolicyRequest is the Msg/UpdateGroupAccountDecisionPolicy request type.
-message MsgUpdateGroupAccountDecisionPolicyRequest {
+// MsgUpdateGroupAccountDecisionPolicy is the Msg/UpdateGroupAccountDecisionPolicy request type.
+message MsgUpdateGroupAccountDecisionPolicy {
   option (gogoproto.goproto_getters) = false;
 
   // admin is the account address of the group admin.
@@ -181,8 +181,8 @@ message MsgUpdateGroupAccountDecisionPolicyRequest {
 // MsgUpdateGroupAccountDecisionPolicyResponse is the Msg/UpdateGroupAccountDecisionPolicy response type.
 message MsgUpdateGroupAccountDecisionPolicyResponse {}
 
-// MsgUpdateGroupAccountMetadataRequest is the Msg/UpdateGroupAccountMetadata request type.
-message MsgUpdateGroupAccountMetadataRequest {
+// MsgUpdateGroupAccountMetadata is the Msg/UpdateGroupAccountMetadata request type.
+message MsgUpdateGroupAccountMetadata {
 
   // admin is the account address of the group admin.
   string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
@@ -215,8 +215,8 @@ enum Exec {
   EXEC_TRY = 1;
 }
 
-// MsgCreateProposalRequest is the Msg/CreateProposal request type.
-message MsgCreateProposalRequest {
+// MsgCreateProposal is the Msg/CreateProposal request type.
+message MsgCreateProposal {
   option (gogoproto.goproto_getters) = false;
 
   // address is the group account address.
@@ -245,8 +245,8 @@ message MsgCreateProposalResponse {
   uint64 proposal_id = 1;
 }
 
-// MsgVoteRequest is the Msg/Vote request type.
-message MsgVoteRequest {
+// MsgVote is the Msg/Vote request type.
+message MsgVote {
 
   // proposal is the unique ID of the proposal.
   uint64 proposal_id = 1;
@@ -267,8 +267,8 @@ message MsgVoteRequest {
 // MsgVoteResponse is the Msg/Vote response type.
 message MsgVoteResponse {}
 
-// MsgExecRequest is the Msg/Exec request type.
-message MsgExecRequest {
+// MsgExec is the Msg/Exec request type.
+message MsgExec {
 
   // proposal is the unique ID of the proposal.
   uint64 proposal_id = 1;

proto/cosmos/group/v1beta1/types.proto

@@ -121,10 +121,6 @@ message GroupAccountInfo {
 
   // decision_policy specifies the group account's decision policy.
   google.protobuf.Any decision_policy = 6 [(cosmos_proto.accepts_interface) = "DecisionPolicy"];
-
-  // derivation_key is the "derivation" key of the group account,
-  // which is needed to derive the group root module key and execute proposals.
-  bytes derivation_key = 7;
 }
 
 // Proposal defines a group proposal. Any member of a group can submit a proposal