/
msg_server.go
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/
msg_server.go
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package keeper
import (
"context"
"fmt"
"time"
"cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
"github.com/desmos-labs/desmos/v6/x/reports/types"
subspacestypes "github.com/desmos-labs/desmos/v6/x/subspaces/types"
)
type msgServer struct {
Keeper
}
// NewMsgServerImpl returns an implementation of the stored MsgServer interface for the provided keeper
func NewMsgServerImpl(keeper Keeper) types.MsgServer {
return &msgServer{Keeper: keeper}
}
var _ types.MsgServer = &msgServer{}
// CreateReport defines the rpc method for Msg/CreateReport
func (k msgServer) CreateReport(goCtx context.Context, msg *types.MsgCreateReport) (*types.MsgCreateReportResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
// Check if the reporter has a profile
if !k.HasProfile(ctx, msg.Reporter) {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "you cannot create a report without having a profile")
}
// Check if the subspace exists
if !k.HasSubspace(ctx, msg.SubspaceID) {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "subspace with id %d not found", msg.SubspaceID)
}
// Check if the reasons exist
for _, reasonID := range msg.ReasonsIDs {
if !k.HasReason(ctx, msg.SubspaceID, reasonID) {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "reason with id %d not found inside subspace %d", reasonID, msg.SubspaceID)
}
}
// Check the permission to report
if !k.HasPermission(ctx, msg.SubspaceID, msg.Reporter, types.PermissionReportContent) {
return nil, errors.Wrap(subspacestypes.ErrPermissionDenied, "you cannot report content inside this subspace")
}
target, ok := msg.Target.GetCachedValue().(types.ReportTarget)
if !ok {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid target type: %s", msg.Target)
}
// Make sure the report is not duplicated
if k.HasReported(ctx, msg.SubspaceID, msg.Reporter, target) {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "you have already reported this target")
}
// Get the next report id
reportID, err := k.GetNextReportID(ctx, msg.SubspaceID)
if err != nil {
return nil, err
}
// Create and validate the report
report := types.NewReport(
msg.SubspaceID,
reportID,
msg.ReasonsIDs,
msg.Message,
target,
msg.Reporter,
ctx.BlockTime(),
)
err = k.ValidateReport(ctx, report)
if err != nil {
return nil, err
}
// Store the report
k.SaveReport(ctx, report)
// Update the id for the next report
k.SetNextReportID(ctx, msg.SubspaceID, report.ID+1)
// Get the reporting event (different based on the target)
var reportEvent sdk.Event
switch target := target.(type) {
case *types.PostTarget:
reportEvent = sdk.NewEvent(
types.EventTypeReportPost,
sdk.NewAttribute(types.AttributeKeySubspaceID, fmt.Sprintf("%d", msg.SubspaceID)),
sdk.NewAttribute(types.AttributeKeyPostID, fmt.Sprintf("%d", target.PostID)),
sdk.NewAttribute(types.AttributeKeyReporter, msg.Reporter),
)
case *types.UserTarget:
reportEvent = sdk.NewEvent(
types.EventTypeReportUser,
sdk.NewAttribute(types.AttributeKeySubspaceID, fmt.Sprintf("%d", msg.SubspaceID)),
sdk.NewAttribute(types.AttributeKeyUser, target.User),
sdk.NewAttribute(types.AttributeKeyReporter, msg.Reporter),
)
default:
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid report target type: %T", msg.Target)
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeyAction, sdk.MsgTypeURL(msg)),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Reporter),
),
sdk.NewEvent(
types.EventTypeCreateReport,
sdk.NewAttribute(types.AttributeKeySubspaceID, fmt.Sprintf("%d", msg.SubspaceID)),
sdk.NewAttribute(types.AttributeKeyReportID, fmt.Sprintf("%d", report.ID)),
sdk.NewAttribute(types.AttributeKeyReporter, msg.Reporter),
sdk.NewAttribute(types.AttributeKeyCreationTime, report.CreationDate.Format(time.RFC3339)),
),
reportEvent,
})
return &types.MsgCreateReportResponse{
ReportID: report.ID,
CreationDate: report.CreationDate,
}, nil
}
// DeleteReport defines the rpc method for Msg/DeleteReport
func (k msgServer) DeleteReport(goCtx context.Context, msg *types.MsgDeleteReport) (*types.MsgDeleteReportResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
// Check if the subspace exists
if !k.HasSubspace(ctx, msg.SubspaceID) {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "subspace with id %d not found", msg.SubspaceID)
}
// Check if the report exists
report, found := k.GetReport(ctx, msg.SubspaceID, msg.ReportID)
if !found {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "report with id %d not found inside subspace %d", msg.ReportID, msg.SubspaceID)
}
// Check the permission to delete reports
isModerator := k.HasPermission(ctx, msg.SubspaceID, msg.Signer, types.PermissionManageReports)
canDelete := report.Reporter == msg.Signer && k.HasPermission(ctx, msg.SubspaceID, msg.Signer, types.PermissionDeleteOwnReports)
if !isModerator && !canDelete {
return nil, errors.Wrap(subspacestypes.ErrPermissionDenied, "you cannot delete reports inside this subspace")
}
// Delete the report
k.Keeper.DeleteReport(ctx, msg.SubspaceID, msg.ReportID)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeyAction, sdk.MsgTypeURL(msg)),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Signer),
),
sdk.NewEvent(
types.EventTypeDeleteReport,
sdk.NewAttribute(types.AttributeKeySubspaceID, fmt.Sprintf("%d", msg.SubspaceID)),
sdk.NewAttribute(types.AttributeKeyReportID, fmt.Sprintf("%d", msg.ReportID)),
),
})
return &types.MsgDeleteReportResponse{}, nil
}
// SupportStandardReason defines the rpc method for Msg/SupportStandardReason
func (k msgServer) SupportStandardReason(goCtx context.Context, msg *types.MsgSupportStandardReason) (*types.MsgSupportStandardReasonResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
// Check if the subspace exists
if !k.HasSubspace(ctx, msg.SubspaceID) {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "subspace with id %d not found", msg.SubspaceID)
}
// Check if the standard reason exists
standardReason, found := k.GetStandardReason(ctx, msg.StandardReasonID)
if !found {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "standard reason with id %d could not be found", msg.StandardReasonID)
}
// Check the permission to manage reasons
if !k.HasPermission(ctx, msg.SubspaceID, msg.Signer, types.PermissionManageReasons) {
return nil, errors.Wrap(subspacestypes.ErrPermissionDenied, "you cannot manage reasons inside this subspace")
}
// Get the next reason id for the subspace
reasonID, err := k.GetNextReasonID(ctx, msg.SubspaceID)
if err != nil {
return nil, err
}
// Create the reason and validate it
reason := types.NewReason(msg.SubspaceID, reasonID, standardReason.Title, standardReason.Description)
err = reason.Validate()
if err != nil {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, err.Error())
}
// Store the reason
k.SaveReason(ctx, reason)
// Update the id for the next reason
k.SetNextReasonID(ctx, msg.SubspaceID, reason.ID+1)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeyAction, sdk.MsgTypeURL(msg)),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Signer),
),
sdk.NewEvent(
types.EventTypeSupportStandardReason,
sdk.NewAttribute(types.AttributeKeySubspaceID, fmt.Sprintf("%d", msg.SubspaceID)),
sdk.NewAttribute(types.AttributeKeyStandardReasonID, fmt.Sprintf("%d", msg.StandardReasonID)),
sdk.NewAttribute(types.AttributeKeyReasonID, fmt.Sprintf("%d", reason.ID)),
),
})
return &types.MsgSupportStandardReasonResponse{
ReasonsID: reason.ID,
}, nil
}
// AddReason defines the rpc method for Msg/AddReason
func (k msgServer) AddReason(goCtx context.Context, msg *types.MsgAddReason) (*types.MsgAddReasonResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
// Check if the subspace exists
if !k.HasSubspace(ctx, msg.SubspaceID) {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "subspace with id %d not found", msg.SubspaceID)
}
// Check the permission to manage reasons
if !k.HasPermission(ctx, msg.SubspaceID, msg.Signer, types.PermissionManageReasons) {
return nil, errors.Wrap(subspacestypes.ErrPermissionDenied, "you cannot manage reasons inside this subspace")
}
// Get the next reason id for the subspace
reasonID, err := k.GetNextReasonID(ctx, msg.SubspaceID)
if err != nil {
return nil, err
}
// Create the reason and validate it
reason := types.NewReason(msg.SubspaceID, reasonID, msg.Title, msg.Description)
err = reason.Validate()
if err != nil {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, err.Error())
}
// Store the reason
k.SaveReason(ctx, reason)
// Update the id for the next reason
k.SetNextReasonID(ctx, msg.SubspaceID, reason.ID+1)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeyAction, sdk.MsgTypeURL(msg)),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Signer),
),
sdk.NewEvent(
types.EventTypeAddReason,
sdk.NewAttribute(types.AttributeKeySubspaceID, fmt.Sprintf("%d", msg.SubspaceID)),
sdk.NewAttribute(types.AttributeKeyReasonID, fmt.Sprintf("%d", reason.ID)),
),
})
return &types.MsgAddReasonResponse{
ReasonID: reason.ID,
}, nil
}
// RemoveReason defines the rpc method for Msg/RemoveReason
func (k msgServer) RemoveReason(goCtx context.Context, msg *types.MsgRemoveReason) (*types.MsgRemoveReasonResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
// Check if the subspace exists
if !k.HasSubspace(ctx, msg.SubspaceID) {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "subspace with id %d not found", msg.SubspaceID)
}
// Check if the reason exists
if !k.HasReason(ctx, msg.SubspaceID, msg.ReasonID) {
return nil, errors.Wrapf(sdkerrors.ErrInvalidRequest, "reason with id %d does not existing inside subspace %d", msg.ReasonID, msg.SubspaceID)
}
// Check the permission to manage reasons
if !k.HasPermission(ctx, msg.SubspaceID, msg.Signer, types.PermissionManageReasons) {
return nil, errors.Wrap(subspacestypes.ErrPermissionDenied, "you cannot manage reasons inside this subspace")
}
// Delete the reason
k.DeleteReason(ctx, msg.SubspaceID, msg.ReasonID)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeyAction, sdk.MsgTypeURL(msg)),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Signer),
),
sdk.NewEvent(
types.EventTypeRemoveReason,
sdk.NewAttribute(types.AttributeKeySubspaceID, fmt.Sprintf("%d", msg.SubspaceID)),
sdk.NewAttribute(types.AttributeKeyReasonID, fmt.Sprintf("%d", msg.ReasonID)),
),
})
return &types.MsgRemoveReasonResponse{}, nil
}
// UpdateParams updates the module parameters
func (m msgServer) UpdateParams(goCtx context.Context, msg *types.MsgUpdateParams) (*types.MsgUpdateParamsResponse, error) {
authority := m.authority
if authority != msg.Authority {
return nil, errors.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", authority, msg.Authority)
}
ctx := sdk.UnwrapSDKContext(goCtx)
m.SetParams(ctx, msg.Params)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeyAction, sdk.MsgTypeURL(msg)),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Authority),
),
})
return &types.MsgUpdateParamsResponse{}, nil
}