63 lines
1.9 KiB
Go
63 lines
1.9 KiB
Go
package authz
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import (
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"time"
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proto "github.com/gogo/protobuf/proto"
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cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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)
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// NewGrant returns new Grant. Expiration is optional and noop if null.
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// It returns an error if the expiration is before the current block time,
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// which is passed into the `blockTime` arg.
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func NewGrant(blockTime time.Time, a Authorization, expiration *time.Time) (Grant, error) {
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if expiration != nil && !expiration.After(blockTime) {
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return Grant{}, sdkerrors.Wrapf(ErrInvalidExpirationTime, "expiration must be after the current block time (%v), got %v", blockTime.Format(time.RFC3339), expiration.Format(time.RFC3339))
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}
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msg, ok := a.(proto.Message)
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if !ok {
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return Grant{}, sdkerrors.ErrPackAny.Wrapf("cannot proto marshal %T", a)
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}
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any, err := cdctypes.NewAnyWithValue(msg)
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if err != nil {
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return Grant{}, err
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}
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return Grant{
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Expiration: expiration,
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Authorization: any,
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}, nil
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}
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var (
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_ cdctypes.UnpackInterfacesMessage = &Grant{}
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)
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// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
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func (g Grant) UnpackInterfaces(unpacker cdctypes.AnyUnpacker) error {
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var authorization Authorization
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return unpacker.UnpackAny(g.Authorization, &authorization)
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}
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// GetAuthorization returns the cached value from the Grant.Authorization if present.
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func (g Grant) GetAuthorization() (Authorization, error) {
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if g.Authorization == nil {
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return nil, sdkerrors.ErrInvalidType.Wrap("authorization is nil")
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}
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a, ok := g.Authorization.GetCachedValue().(Authorization)
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if !ok {
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return nil, sdkerrors.ErrInvalidType.Wrapf("expected %T, got %T", (Authorization)(nil), g.Authorization.GetCachedValue())
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}
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return a, nil
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}
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func (g Grant) ValidateBasic() error {
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av := g.Authorization.GetCachedValue()
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a, ok := av.(Authorization)
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if !ok {
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return sdkerrors.ErrInvalidType.Wrapf("expected %T, got %T", (Authorization)(nil), av)
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}
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return a.ValidateBasic()
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}
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