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msg.go
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msg.go
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package types
import (
"encoding/json"
"fmt"
"strings"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
ibctmtypes "github.com/cosmos/ibc-go/v4/modules/light-clients/07-tendermint/types"
tmtypes "github.com/tendermint/tendermint/proto/tendermint/types"
)
// provider message types
const (
TypeMsgAssignConsumerKey = "assign_consumer_key"
TypeMsgSubmitConsumerMisbehaviour = "submit_consumer_misbehaviour"
TypeMsgSubmitConsumerDoubleVoting = "submit_consumer_double_vote"
)
var (
_ sdk.Msg = &MsgAssignConsumerKey{}
_ sdk.Msg = &MsgSubmitConsumerMisbehaviour{}
_ sdk.Msg = &MsgSubmitConsumerDoubleVoting{}
)
// NewMsgAssignConsumerKey creates a new MsgAssignConsumerKey instance.
// Delegator address and validator address are the same.
func NewMsgAssignConsumerKey(chainID string, providerValidatorAddress sdk.ValAddress,
consumerConsensusPubKey string,
) (*MsgAssignConsumerKey, error) {
return &MsgAssignConsumerKey{
ChainId: chainID,
ProviderAddr: providerValidatorAddress.String(),
ConsumerKey: consumerConsensusPubKey,
}, nil
}
// Route implements the sdk.Msg interface.
func (msg MsgAssignConsumerKey) Route() string { return RouterKey }
// Type implements the sdk.Msg interface.
func (msg MsgAssignConsumerKey) Type() string {
return TypeMsgAssignConsumerKey
}
// GetSigners implements the sdk.Msg interface. It returns the address(es) that
// must sign over msg.GetSignBytes().
// If the validator address is not same as delegator's, then the validator must
// sign the msg as well.
func (msg MsgAssignConsumerKey) GetSigners() []sdk.AccAddress {
valAddr, err := sdk.ValAddressFromBech32(msg.ProviderAddr)
if err != nil {
// same behavior as in cosmos-sdk
panic(err)
}
return []sdk.AccAddress{valAddr.Bytes()}
}
// GetSignBytes returns the message bytes to sign over.
func (msg MsgAssignConsumerKey) GetSignBytes() []byte {
bz := ModuleCdc.MustMarshalJSON(&msg)
return sdk.MustSortJSON(bz)
}
// ValidateBasic implements the sdk.Msg interface.
func (msg MsgAssignConsumerKey) ValidateBasic() error {
if strings.TrimSpace(msg.ChainId) == "" {
return ErrBlankConsumerChainID
}
// It is possible to assign keys for consumer chains that are not yet approved.
// This can only be done by a signing validator, but it is still sensible
// to limit the chainID size to prevent abuse.
// TODO: In future, a mechanism will be added to limit assigning keys to chains
// which are approved or pending approval, only.
if 128 < len(msg.ChainId) {
return ErrBlankConsumerChainID
}
_, err := sdk.ValAddressFromBech32(msg.ProviderAddr)
if err != nil {
return ErrInvalidProviderAddress
}
if msg.ConsumerKey == "" {
return ErrInvalidConsumerConsensusPubKey
}
if _, _, err := ParseConsumerKeyFromJson(msg.ConsumerKey); err != nil {
return ErrInvalidConsumerConsensusPubKey
}
return nil
}
// ParseConsumerKeyFromJson parses the consumer key from a JSON string,
// this replaces deserializing a protobuf any.
func ParseConsumerKeyFromJson(jsonStr string) (pkType, key string, err error) {
type PubKey struct {
Type string `json:"@type"`
Key string `json:"key"`
}
var pubKey PubKey
err = json.Unmarshal([]byte(jsonStr), &pubKey)
if err != nil {
return "", "", err
}
return pubKey.Type, pubKey.Key, nil
}
func NewMsgSubmitConsumerMisbehaviour(submitter sdk.AccAddress, misbehaviour *ibctmtypes.Misbehaviour) (*MsgSubmitConsumerMisbehaviour, error) {
return &MsgSubmitConsumerMisbehaviour{Submitter: submitter.String(), Misbehaviour: misbehaviour}, nil
}
// Route implements the sdk.Msg interface.
func (msg MsgSubmitConsumerMisbehaviour) Route() string { return RouterKey }
// Type implements the sdk.Msg interface.
func (msg MsgSubmitConsumerMisbehaviour) Type() string {
return TypeMsgSubmitConsumerMisbehaviour
}
// Type implements the sdk.Msg interface.
func (msg MsgSubmitConsumerMisbehaviour) ValidateBasic() error {
if msg.Submitter == "" {
return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, msg.Submitter)
}
if err := msg.Misbehaviour.ValidateBasic(); err != nil {
return err
}
return nil
}
// Type implements the sdk.Msg interface.
func (msg MsgSubmitConsumerMisbehaviour) GetSignBytes() []byte {
bz := ModuleCdc.MustMarshalJSON(&msg)
return sdk.MustSortJSON(bz)
}
// Type implements the sdk.Msg interface.
func (msg MsgSubmitConsumerMisbehaviour) GetSigners() []sdk.AccAddress {
addr, err := sdk.AccAddressFromBech32(msg.Submitter)
if err != nil {
// same behavior as in cosmos-sdk
panic(err)
}
return []sdk.AccAddress{addr}
}
func NewMsgSubmitConsumerDoubleVoting(submitter sdk.AccAddress, ev *tmtypes.DuplicateVoteEvidence, header *ibctmtypes.Header) (*MsgSubmitConsumerDoubleVoting, error) {
return &MsgSubmitConsumerDoubleVoting{Submitter: submitter.String(), DuplicateVoteEvidence: ev, InfractionBlockHeader: header}, nil
}
// Route implements the sdk.Msg interface.
func (msg MsgSubmitConsumerDoubleVoting) Route() string { return RouterKey }
// Type implements the sdk.Msg interface.
func (msg MsgSubmitConsumerDoubleVoting) Type() string {
return TypeMsgSubmitConsumerDoubleVoting
}
// Type implements the sdk.Msg interface.
func (msg MsgSubmitConsumerDoubleVoting) ValidateBasic() error {
if msg.Submitter == "" {
return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, msg.Submitter)
}
if msg.DuplicateVoteEvidence == nil {
return fmt.Errorf("double voting evidence cannot be nil")
}
if msg.InfractionBlockHeader == nil {
return fmt.Errorf("infraction block header cannot be nil")
}
if msg.InfractionBlockHeader.SignedHeader == nil {
return fmt.Errorf("signed header in infraction block header cannot be nil")
}
if msg.InfractionBlockHeader.SignedHeader.Header == nil {
return fmt.Errorf("invalid signed header in infraction block header, 'SignedHeader.Header' is nil")
}
if msg.InfractionBlockHeader.ValidatorSet == nil {
return fmt.Errorf("invalid infraction block header, validator set is nil")
}
return nil
}
// Type implements the sdk.Msg interface.
func (msg MsgSubmitConsumerDoubleVoting) GetSignBytes() []byte {
bz := ModuleCdc.MustMarshalJSON(&msg)
return sdk.MustSortJSON(bz)
}
// Type implements the sdk.Msg interface.
func (msg MsgSubmitConsumerDoubleVoting) GetSigners() []sdk.AccAddress {
addr, err := sdk.AccAddressFromBech32(msg.Submitter)
if err != nil {
// same behavior as in cosmos-sdk
panic(err)
}
return []sdk.AccAddress{addr}
}