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authz.go
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authz.go
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package v2
// DONTCOVER
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/cosmos/cosmos-sdk/x/authz"
"github.com/desmos-labs/desmos/v4/x/subspaces/types"
)
// TODO: Revisit this once we have proper gas fee framework.
// Tracking issues https://github.com/cosmos/cosmos-sdk/issues/9054, https://github.com/cosmos/cosmos-sdk/discussions/9072
const gasCostPerIteration = uint64(10)
var (
_ authz.Authorization = &GenericSubspaceAuthorization{}
)
// NewGenericSubspaceAuthorization creates a new GenericSubspaceAuthorization object.
func NewGenericSubspaceAuthorization(subspacesIDs []uint64, msgTypeURL string) *GenericSubspaceAuthorization {
return &GenericSubspaceAuthorization{
SubspacesIDs: subspacesIDs,
Msg: msgTypeURL,
}
}
// MsgTypeURL implements Authorization.MsgTypeURL.
func (a GenericSubspaceAuthorization) MsgTypeURL() string {
return a.Msg
}
// Accept implements Authorization.Accept.
func (a GenericSubspaceAuthorization) Accept(ctx sdk.Context, msg sdk.Msg) (authz.AcceptResponse, error) {
switch msg := msg.(type) {
case types.SubspaceMsg:
for _, subspaceID := range a.SubspacesIDs {
ctx.GasMeter().ConsumeGas(gasCostPerIteration, "generic subspace authorization")
if subspaceID == msg.GetSubspaceID() {
return authz.AcceptResponse{Accept: true}, nil
}
}
return authz.AcceptResponse{Accept: false}, nil
default:
return authz.AcceptResponse{}, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "unknown msg type")
}
}
// ValidateBasic implements Authorization.ValidateBasic.
func (a GenericSubspaceAuthorization) ValidateBasic() error {
if a.SubspacesIDs == nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "at least one subspace id is required")
}
for _, subspaceID := range a.SubspacesIDs {
if subspaceID == 0 {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid subspace id")
}
}
return nil
}