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msgs.go
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msgs.go
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package authz
import (
"time"
"github.com/cosmos/gogoproto/proto"
cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
var (
_ sdk.Msg = &MsgGrant{}
_ sdk.Msg = &MsgRevoke{}
_ sdk.Msg = &MsgExec{}
_ cdctypes.UnpackInterfacesMessage = &MsgGrant{}
_ cdctypes.UnpackInterfacesMessage = &MsgExec{}
)
// NewMsgGrant creates a new MsgGrant
func NewMsgGrant(granter, grantee sdk.AccAddress, a Authorization, expiration *time.Time) (*MsgGrant, error) {
m := &MsgGrant{
Granter: granter.String(),
Grantee: grantee.String(),
Grant: Grant{Expiration: expiration},
}
err := m.SetAuthorization(a)
if err != nil {
return nil, err
}
return m, nil
}
// GetAuthorization returns the cache value from the MsgGrant.Authorization if present.
func (msg *MsgGrant) GetAuthorization() (Authorization, error) {
return msg.Grant.GetAuthorization()
}
// SetAuthorization converts Authorization to any and adds it to MsgGrant.Authorization.
func (msg *MsgGrant) SetAuthorization(a Authorization) error {
m, ok := a.(proto.Message)
if !ok {
return sdkerrors.ErrPackAny.Wrapf("can't proto marshal %T", m)
}
any, err := cdctypes.NewAnyWithValue(m)
if err != nil {
return err
}
msg.Grant.Authorization = any
return nil
}
// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (msg MsgExec) UnpackInterfaces(unpacker cdctypes.AnyUnpacker) error {
for _, x := range msg.Msgs {
var msgExecAuthorized sdk.Msg
err := unpacker.UnpackAny(x, &msgExecAuthorized)
if err != nil {
return err
}
}
return nil
}
// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (msg MsgGrant) UnpackInterfaces(unpacker cdctypes.AnyUnpacker) error {
return msg.Grant.UnpackInterfaces(unpacker)
}
// NewMsgRevoke creates a new MsgRevoke
func NewMsgRevoke(granter, grantee sdk.AccAddress, msgTypeURL string) MsgRevoke {
return MsgRevoke{
Granter: granter.String(),
Grantee: grantee.String(),
MsgTypeUrl: msgTypeURL,
}
}
// NewMsgExec creates a new MsgExecAuthorized
func NewMsgExec(grantee sdk.AccAddress, msgs []sdk.Msg) MsgExec {
msgsAny := make([]*cdctypes.Any, len(msgs))
for i, msg := range msgs {
any, err := cdctypes.NewAnyWithValue(msg)
if err != nil {
panic(err)
}
msgsAny[i] = any
}
return MsgExec{
Grantee: grantee.String(),
Msgs: msgsAny,
}
}
// GetMessages returns the cache values from the MsgExecAuthorized.Msgs if present.
func (msg MsgExec) GetMessages() ([]sdk.Msg, error) {
msgs := make([]sdk.Msg, len(msg.Msgs))
for i, msgAny := range msg.Msgs {
msg, ok := msgAny.GetCachedValue().(sdk.Msg)
if !ok {
return nil, sdkerrors.ErrInvalidRequest.Wrapf("messages contains %T which is not a sdk.MsgRequest", msgAny)
}
msgs[i] = msg
}
return msgs, nil
}