138 lines
4.3 KiB
Go
138 lines
4.3 KiB
Go
package feegrant
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import (
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"github.com/gogo/protobuf/proto"
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"github.com/cosmos/cosmos-sdk/codec/legacy"
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"github.com/cosmos/cosmos-sdk/codec/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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"github.com/cosmos/cosmos-sdk/x/auth/migrations/legacytx"
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)
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var (
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_, _ sdk.Msg = &MsgGrantAllowance{}, &MsgRevokeAllowance{}
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_, _ legacytx.LegacyMsg = &MsgGrantAllowance{}, &MsgRevokeAllowance{} // For amino support.
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_ types.UnpackInterfacesMessage = &MsgGrantAllowance{}
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)
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// NewMsgGrantAllowance creates a new MsgGrantAllowance.
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//nolint:interfacer
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func NewMsgGrantAllowance(feeAllowance FeeAllowanceI, granter, grantee sdk.AccAddress) (*MsgGrantAllowance, error) {
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msg, ok := feeAllowance.(proto.Message)
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if !ok {
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return nil, sdkerrors.Wrapf(sdkerrors.ErrPackAny, "cannot proto marshal %T", msg)
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}
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any, err := types.NewAnyWithValue(msg)
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if err != nil {
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return nil, err
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}
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return &MsgGrantAllowance{
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Granter: granter.String(),
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Grantee: grantee.String(),
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Allowance: any,
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}, nil
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}
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// ValidateBasic implements the sdk.Msg interface.
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func (msg MsgGrantAllowance) ValidateBasic() error {
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if _, err := sdk.AccAddressFromBech32(msg.Granter); err != nil {
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return sdkerrors.ErrInvalidAddress.Wrapf("invalid granter address: %s", err)
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}
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if _, err := sdk.AccAddressFromBech32(msg.Grantee); err != nil {
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return sdkerrors.ErrInvalidAddress.Wrapf("invalid grantee address: %s", err)
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}
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if msg.Grantee == msg.Granter {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "cannot self-grant fee authorization")
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}
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allowance, err := msg.GetFeeAllowanceI()
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if err != nil {
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return err
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}
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return allowance.ValidateBasic()
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}
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// GetSigners gets the granter account associated with an allowance
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func (msg MsgGrantAllowance) GetSigners() []sdk.AccAddress {
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granter, _ := sdk.AccAddressFromBech32(msg.Granter)
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return []sdk.AccAddress{granter}
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}
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// Type implements the LegacyMsg.Type method.
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func (msg MsgGrantAllowance) Type() string {
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return sdk.MsgTypeURL(&msg)
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}
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// Route implements the LegacyMsg.Route method.
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func (msg MsgGrantAllowance) Route() string {
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return sdk.MsgTypeURL(&msg)
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}
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// GetSignBytes implements the LegacyMsg.GetSignBytes method.
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func (msg MsgGrantAllowance) GetSignBytes() []byte {
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return sdk.MustSortJSON(legacy.Cdc.MustMarshalJSON(&msg))
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}
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// GetFeeAllowanceI returns unpacked FeeAllowance
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func (msg MsgGrantAllowance) GetFeeAllowanceI() (FeeAllowanceI, error) {
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allowance, ok := msg.Allowance.GetCachedValue().(FeeAllowanceI)
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if !ok {
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return nil, sdkerrors.Wrap(ErrNoAllowance, "failed to get allowance")
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}
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return allowance, nil
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}
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// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
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func (msg MsgGrantAllowance) UnpackInterfaces(unpacker types.AnyUnpacker) error {
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var allowance FeeAllowanceI
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return unpacker.UnpackAny(msg.Allowance, &allowance)
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}
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// NewMsgRevokeAllowance returns a message to revoke a fee allowance for a given
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// granter and grantee
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//nolint:interfacer
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func NewMsgRevokeAllowance(granter sdk.AccAddress, grantee sdk.AccAddress) MsgRevokeAllowance {
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return MsgRevokeAllowance{Granter: granter.String(), Grantee: grantee.String()}
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}
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// ValidateBasic implements the sdk.Msg interface.
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func (msg MsgRevokeAllowance) ValidateBasic() error {
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if _, err := sdk.AccAddressFromBech32(msg.Granter); err != nil {
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return sdkerrors.ErrInvalidAddress.Wrapf("invalid granter address: %s", err)
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}
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if _, err := sdk.AccAddressFromBech32(msg.Grantee); err != nil {
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return sdkerrors.ErrInvalidAddress.Wrapf("invalid grantee address: %s", err)
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}
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if msg.Grantee == msg.Granter {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "addresses must be different")
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}
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return nil
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}
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// GetSigners gets the granter address associated with an Allowance
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// to revoke.
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func (msg MsgRevokeAllowance) GetSigners() []sdk.AccAddress {
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granter, _ := sdk.AccAddressFromBech32(msg.Granter)
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return []sdk.AccAddress{granter}
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}
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// Type implements the LegacyMsg.Type method.
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func (msg MsgRevokeAllowance) Type() string {
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return sdk.MsgTypeURL(&msg)
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}
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// Route implements the LegacyMsg.Route method.
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func (msg MsgRevokeAllowance) Route() string {
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return sdk.MsgTypeURL(&msg)
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}
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// GetSignBytes implements the LegacyMsg.GetSignBytes method.
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func (msg MsgRevokeAllowance) GetSignBytes() []byte {
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return sdk.MustSortJSON(legacy.Cdc.MustMarshalJSON(&msg))
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}
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