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msgs.go
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msgs.go
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package types
import (
"encoding/base64"
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
clienttypes "github.com/cosmos/ibc-go/v8/modules/core/02-client/types"
commitmenttypes "github.com/cosmos/ibc-go/v8/modules/core/23-commitment/types"
host "github.com/cosmos/ibc-go/v8/modules/core/24-host"
ibcerrors "github.com/cosmos/ibc-go/v8/modules/core/errors"
)
var (
_ sdk.Msg = (*MsgChannelOpenInit)(nil)
_ sdk.Msg = (*MsgChannelOpenTry)(nil)
_ sdk.Msg = (*MsgChannelOpenAck)(nil)
_ sdk.Msg = (*MsgChannelOpenConfirm)(nil)
_ sdk.Msg = (*MsgChannelCloseInit)(nil)
_ sdk.Msg = (*MsgChannelCloseConfirm)(nil)
_ sdk.Msg = (*MsgRecvPacket)(nil)
_ sdk.Msg = (*MsgAcknowledgement)(nil)
_ sdk.Msg = (*MsgTimeout)(nil)
_ sdk.Msg = (*MsgTimeoutOnClose)(nil)
)
// NewMsgChannelOpenInit creates a new MsgChannelOpenInit. It sets the counterparty channel
// identifier to be empty.
func NewMsgChannelOpenInit(
portID, version string, channelOrder Order, connectionHops []string,
counterpartyPortID string, signer string,
) *MsgChannelOpenInit {
counterparty := NewCounterparty(counterpartyPortID, "")
channel := NewChannel(INIT, channelOrder, counterparty, connectionHops, version)
return &MsgChannelOpenInit{
PortId: portID,
Channel: channel,
Signer: signer,
}
}
// ValidateBasic implements sdk.Msg
func (msg MsgChannelOpenInit) ValidateBasic() error {
if err := host.PortIdentifierValidator(msg.PortId); err != nil {
return errorsmod.Wrap(err, "invalid port ID")
}
if msg.Channel.State != INIT {
return errorsmod.Wrapf(ErrInvalidChannelState,
"channel state must be INIT in MsgChannelOpenInit. expected: %s, got: %s",
INIT, msg.Channel.State,
)
}
if msg.Channel.Counterparty.ChannelId != "" {
return errorsmod.Wrap(ErrInvalidCounterparty, "counterparty channel identifier must be empty")
}
_, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
return errorsmod.Wrapf(ibcerrors.ErrInvalidAddress, "string could not be parsed as address: %v", err)
}
return msg.Channel.ValidateBasic()
}
// GetSigners implements sdk.Msg
func (msg MsgChannelOpenInit) GetSigners() []sdk.AccAddress {
signer, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
panic(err)
}
return []sdk.AccAddress{signer}
}
// NewMsgChannelOpenTry creates a new MsgChannelOpenTry instance
// The version string is deprecated and will be ignored by core IBC.
// It is left as an argument for go API backwards compatibility.
func NewMsgChannelOpenTry(
portID, version string, channelOrder Order, connectionHops []string,
counterpartyPortID, counterpartyChannelID, counterpartyVersion string,
proofInit []byte, proofHeight clienttypes.Height, signer string,
) *MsgChannelOpenTry {
counterparty := NewCounterparty(counterpartyPortID, counterpartyChannelID)
channel := NewChannel(TRYOPEN, channelOrder, counterparty, connectionHops, version)
return &MsgChannelOpenTry{
PortId: portID,
Channel: channel,
CounterpartyVersion: counterpartyVersion,
ProofInit: proofInit,
ProofHeight: proofHeight,
Signer: signer,
}
}
// ValidateBasic implements sdk.Msg
func (msg MsgChannelOpenTry) ValidateBasic() error {
if err := host.PortIdentifierValidator(msg.PortId); err != nil {
return errorsmod.Wrap(err, "invalid port ID")
}
if msg.PreviousChannelId != "" {
return errorsmod.Wrap(ErrInvalidChannelIdentifier, "previous channel identifier must be empty, this field has been deprecated as crossing hellos are no longer supported")
}
if len(msg.ProofInit) == 0 {
return errorsmod.Wrap(commitmenttypes.ErrInvalidProof, "cannot submit an empty init proof")
}
if msg.Channel.State != TRYOPEN {
return errorsmod.Wrapf(ErrInvalidChannelState,
"channel state must be TRYOPEN in MsgChannelOpenTry. expected: %s, got: %s",
TRYOPEN, msg.Channel.State,
)
}
// counterparty validate basic allows empty counterparty channel identifiers
if err := host.ChannelIdentifierValidator(msg.Channel.Counterparty.ChannelId); err != nil {
return errorsmod.Wrap(err, "invalid counterparty channel ID")
}
_, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
return errorsmod.Wrapf(ibcerrors.ErrInvalidAddress, "string could not be parsed as address: %v", err)
}
return msg.Channel.ValidateBasic()
}
// GetSigners implements sdk.Msg
func (msg MsgChannelOpenTry) GetSigners() []sdk.AccAddress {
signer, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
panic(err)
}
return []sdk.AccAddress{signer}
}
// NewMsgChannelOpenAck creates a new MsgChannelOpenAck instance
func NewMsgChannelOpenAck(
portID, channelID, counterpartyChannelID string, cpv string, proofTry []byte, proofHeight clienttypes.Height,
signer string,
) *MsgChannelOpenAck {
return &MsgChannelOpenAck{
PortId: portID,
ChannelId: channelID,
CounterpartyChannelId: counterpartyChannelID,
CounterpartyVersion: cpv,
ProofTry: proofTry,
ProofHeight: proofHeight,
Signer: signer,
}
}
// ValidateBasic implements sdk.Msg
func (msg MsgChannelOpenAck) ValidateBasic() error {
if err := host.PortIdentifierValidator(msg.PortId); err != nil {
return errorsmod.Wrap(err, "invalid port ID")
}
if !IsValidChannelID(msg.ChannelId) {
return ErrInvalidChannelIdentifier
}
if err := host.ChannelIdentifierValidator(msg.CounterpartyChannelId); err != nil {
return errorsmod.Wrap(err, "invalid counterparty channel ID")
}
if len(msg.ProofTry) == 0 {
return errorsmod.Wrap(commitmenttypes.ErrInvalidProof, "cannot submit an empty try proof")
}
_, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
return errorsmod.Wrapf(ibcerrors.ErrInvalidAddress, "string could not be parsed as address: %v", err)
}
return nil
}
// GetSigners implements sdk.Msg
func (msg MsgChannelOpenAck) GetSigners() []sdk.AccAddress {
signer, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
panic(err)
}
return []sdk.AccAddress{signer}
}
// NewMsgChannelOpenConfirm creates a new MsgChannelOpenConfirm instance
func NewMsgChannelOpenConfirm(
portID, channelID string, proofAck []byte, proofHeight clienttypes.Height,
signer string,
) *MsgChannelOpenConfirm {
return &MsgChannelOpenConfirm{
PortId: portID,
ChannelId: channelID,
ProofAck: proofAck,
ProofHeight: proofHeight,
Signer: signer,
}
}
// ValidateBasic implements sdk.Msg
func (msg MsgChannelOpenConfirm) ValidateBasic() error {
if err := host.PortIdentifierValidator(msg.PortId); err != nil {
return errorsmod.Wrap(err, "invalid port ID")
}
if !IsValidChannelID(msg.ChannelId) {
return ErrInvalidChannelIdentifier
}
if len(msg.ProofAck) == 0 {
return errorsmod.Wrap(commitmenttypes.ErrInvalidProof, "cannot submit an empty acknowledgement proof")
}
_, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
return errorsmod.Wrapf(ibcerrors.ErrInvalidAddress, "string could not be parsed as address: %v", err)
}
return nil
}
// GetSigners implements sdk.Msg
func (msg MsgChannelOpenConfirm) GetSigners() []sdk.AccAddress {
signer, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
panic(err)
}
return []sdk.AccAddress{signer}
}
// NewMsgChannelCloseInit creates a new MsgChannelCloseInit instance
func NewMsgChannelCloseInit(
portID string, channelID string, signer string,
) *MsgChannelCloseInit {
return &MsgChannelCloseInit{
PortId: portID,
ChannelId: channelID,
Signer: signer,
}
}
// ValidateBasic implements sdk.Msg
func (msg MsgChannelCloseInit) ValidateBasic() error {
if err := host.PortIdentifierValidator(msg.PortId); err != nil {
return errorsmod.Wrap(err, "invalid port ID")
}
if !IsValidChannelID(msg.ChannelId) {
return ErrInvalidChannelIdentifier
}
_, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
return errorsmod.Wrapf(ibcerrors.ErrInvalidAddress, "string could not be parsed as address: %v", err)
}
return nil
}
// GetSigners implements sdk.Msg
func (msg MsgChannelCloseInit) GetSigners() []sdk.AccAddress {
signer, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
panic(err)
}
return []sdk.AccAddress{signer}
}
// NewMsgChannelCloseConfirm creates a new MsgChannelCloseConfirm instance
func NewMsgChannelCloseConfirm(
portID, channelID string, proofInit []byte, proofHeight clienttypes.Height,
signer string,
) *MsgChannelCloseConfirm {
return &MsgChannelCloseConfirm{
PortId: portID,
ChannelId: channelID,
ProofInit: proofInit,
ProofHeight: proofHeight,
Signer: signer,
}
}
// ValidateBasic implements sdk.Msg
func (msg MsgChannelCloseConfirm) ValidateBasic() error {
if err := host.PortIdentifierValidator(msg.PortId); err != nil {
return errorsmod.Wrap(err, "invalid port ID")
}
if !IsValidChannelID(msg.ChannelId) {
return ErrInvalidChannelIdentifier
}
if len(msg.ProofInit) == 0 {
return errorsmod.Wrap(commitmenttypes.ErrInvalidProof, "cannot submit an empty init proof")
}
_, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
return errorsmod.Wrapf(ibcerrors.ErrInvalidAddress, "string could not be parsed as address: %v", err)
}
return nil
}
// GetSigners implements sdk.Msg
func (msg MsgChannelCloseConfirm) GetSigners() []sdk.AccAddress {
signer, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
panic(err)
}
return []sdk.AccAddress{signer}
}
// NewMsgRecvPacket constructs new MsgRecvPacket
func NewMsgRecvPacket(
packet Packet, proofCommitment []byte, proofHeight clienttypes.Height,
signer string,
) *MsgRecvPacket {
return &MsgRecvPacket{
Packet: packet,
ProofCommitment: proofCommitment,
ProofHeight: proofHeight,
Signer: signer,
}
}
// ValidateBasic implements sdk.Msg
func (msg MsgRecvPacket) ValidateBasic() error {
if len(msg.ProofCommitment) == 0 {
return errorsmod.Wrap(commitmenttypes.ErrInvalidProof, "cannot submit an empty commitment proof")
}
_, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
return errorsmod.Wrapf(ibcerrors.ErrInvalidAddress, "string could not be parsed as address: %v", err)
}
return msg.Packet.ValidateBasic()
}
// GetDataSignBytes returns the base64-encoded bytes used for the
// data field when signing the packet.
func (msg MsgRecvPacket) GetDataSignBytes() []byte {
s := "\"" + base64.StdEncoding.EncodeToString(msg.Packet.Data) + "\""
return []byte(s)
}
// GetSigners implements sdk.Msg
func (msg MsgRecvPacket) GetSigners() []sdk.AccAddress {
signer, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
panic(err)
}
return []sdk.AccAddress{signer}
}
// NewMsgTimeout constructs new MsgTimeout
func NewMsgTimeout(
packet Packet, nextSequenceRecv uint64, proofUnreceived []byte,
proofHeight clienttypes.Height, signer string,
) *MsgTimeout {
return &MsgTimeout{
Packet: packet,
NextSequenceRecv: nextSequenceRecv,
ProofUnreceived: proofUnreceived,
ProofHeight: proofHeight,
Signer: signer,
}
}
// ValidateBasic implements sdk.Msg
func (msg MsgTimeout) ValidateBasic() error {
if len(msg.ProofUnreceived) == 0 {
return errorsmod.Wrap(commitmenttypes.ErrInvalidProof, "cannot submit an empty unreceived proof")
}
if msg.NextSequenceRecv == 0 {
return errorsmod.Wrap(ibcerrors.ErrInvalidSequence, "next sequence receive cannot be 0")
}
_, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
return errorsmod.Wrapf(ibcerrors.ErrInvalidAddress, "string could not be parsed as address: %v", err)
}
return msg.Packet.ValidateBasic()
}
// GetSigners implements sdk.Msg
func (msg MsgTimeout) GetSigners() []sdk.AccAddress {
signer, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
panic(err)
}
return []sdk.AccAddress{signer}
}
// NewMsgTimeoutOnClose constructs new MsgTimeoutOnClose
func NewMsgTimeoutOnClose(
packet Packet, nextSequenceRecv uint64,
proofUnreceived, proofClose []byte,
proofHeight clienttypes.Height, signer string,
) *MsgTimeoutOnClose {
return &MsgTimeoutOnClose{
Packet: packet,
NextSequenceRecv: nextSequenceRecv,
ProofUnreceived: proofUnreceived,
ProofClose: proofClose,
ProofHeight: proofHeight,
Signer: signer,
}
}
// ValidateBasic implements sdk.Msg
func (msg MsgTimeoutOnClose) ValidateBasic() error {
if msg.NextSequenceRecv == 0 {
return errorsmod.Wrap(ibcerrors.ErrInvalidSequence, "next sequence receive cannot be 0")
}
if len(msg.ProofUnreceived) == 0 {
return errorsmod.Wrap(commitmenttypes.ErrInvalidProof, "cannot submit an empty unreceived proof")
}
if len(msg.ProofClose) == 0 {
return errorsmod.Wrap(commitmenttypes.ErrInvalidProof, "cannot submit an empty proof of closed counterparty channel end")
}
_, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
return errorsmod.Wrapf(ibcerrors.ErrInvalidAddress, "string could not be parsed as address: %v", err)
}
return msg.Packet.ValidateBasic()
}
// GetSigners implements sdk.Msg
func (msg MsgTimeoutOnClose) GetSigners() []sdk.AccAddress {
signer, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
panic(err)
}
return []sdk.AccAddress{signer}
}
// NewMsgAcknowledgement constructs a new MsgAcknowledgement
func NewMsgAcknowledgement(
packet Packet,
ack, proofAcked []byte,
proofHeight clienttypes.Height,
signer string,
) *MsgAcknowledgement {
return &MsgAcknowledgement{
Packet: packet,
Acknowledgement: ack,
ProofAcked: proofAcked,
ProofHeight: proofHeight,
Signer: signer,
}
}
// ValidateBasic implements sdk.Msg
func (msg MsgAcknowledgement) ValidateBasic() error {
if len(msg.ProofAcked) == 0 {
return errorsmod.Wrap(commitmenttypes.ErrInvalidProof, "cannot submit an empty acknowledgement proof")
}
if len(msg.Acknowledgement) == 0 {
return errorsmod.Wrap(ErrInvalidAcknowledgement, "ack bytes cannot be empty")
}
_, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
return errorsmod.Wrapf(ibcerrors.ErrInvalidAddress, "string could not be parsed as address: %v", err)
}
return msg.Packet.ValidateBasic()
}
// GetSigners implements sdk.Msg
func (msg MsgAcknowledgement) GetSigners() []sdk.AccAddress {
signer, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
panic(err)
}
return []sdk.AccAddress{signer}
}