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msg.go
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msg.go
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package slashing
import (
"bytes"
"fmt"
"github.com/aximchain/axc-cosmos-sdk/asc"
"github.com/aximchain/axc-cosmos-sdk/codec"
sdk "github.com/aximchain/axc-cosmos-sdk/types"
"github.com/aximchain/axc-cosmos-sdk/x/sidechain/types"
)
var cdc = codec.New()
// name to identify transaction types
const (
MsgRoute = "slashing"
TypeMsgUnjail = "unjail"
TypeMsgSideChainUnjail = "side_chain_unjail"
TypeMsgAscSubmitEvidence = "asc_submit_evidence"
)
// verify interface at compile time
var _ sdk.Msg = &MsgUnjail{}
// MsgUnjail - struct for unjailing jailed validator
type MsgUnjail struct {
ValidatorAddr sdk.ValAddress `json:"address"` // address of the validator operator
}
func NewMsgUnjail(validatorAddr sdk.ValAddress) MsgUnjail {
return MsgUnjail{
ValidatorAddr: validatorAddr,
}
}
// nolint
func (msg MsgUnjail) Route() string { return MsgRoute }
func (msg MsgUnjail) Type() string { return TypeMsgUnjail }
func (msg MsgUnjail) GetSigners() []sdk.AccAddress {
return []sdk.AccAddress{sdk.AccAddress(msg.ValidatorAddr)}
}
// get the bytes for the message signer to sign on
func (msg MsgUnjail) GetSignBytes() []byte {
b, err := MsgCdc.MarshalJSON(msg)
if err != nil {
panic(err)
}
return sdk.MustSortJSON(b)
}
// quick validity check
func (msg MsgUnjail) ValidateBasic() sdk.Error {
if len(msg.ValidatorAddr) != sdk.AddrLen {
return sdk.ErrInvalidAddress(fmt.Sprintf("Expected validator address length is %d, actual length is %d", sdk.AddrLen, len(msg.ValidatorAddr)))
}
return nil
}
func (msg MsgUnjail) GetInvolvedAddresses() []sdk.AccAddress {
return msg.GetSigners()
}
//__________________________________________________________________
// verify interface at compile time
var _ sdk.Msg = &MsgSideChainUnjail{}
// MsgSideChainUnjail - struct for unjailing jailed side chain validator
type MsgSideChainUnjail struct {
ValidatorAddr sdk.ValAddress `json:"address"` // address of the validator operator
SideChainId string `json:"side_chain_id"`
}
func NewMsgSideChainUnjail(validatorAddr sdk.ValAddress, sideChainId string) MsgSideChainUnjail {
return MsgSideChainUnjail{
ValidatorAddr: validatorAddr,
SideChainId: sideChainId,
}
}
// nolint
func (msg MsgSideChainUnjail) Route() string { return MsgRoute }
func (msg MsgSideChainUnjail) Type() string { return TypeMsgSideChainUnjail }
func (msg MsgSideChainUnjail) GetSigners() []sdk.AccAddress {
return []sdk.AccAddress{sdk.AccAddress(msg.ValidatorAddr)}
}
// get the bytes for the message signer to sign on
func (msg MsgSideChainUnjail) GetSignBytes() []byte {
b := MsgCdc.MustMarshalJSON(msg)
return sdk.MustSortJSON(b)
}
// quick validity check
func (msg MsgSideChainUnjail) ValidateBasic() sdk.Error {
if len(msg.ValidatorAddr) != sdk.AddrLen {
return sdk.ErrInvalidAddress(fmt.Sprintf("Expected validator address length is %d, actual length is %d", sdk.AddrLen, len(msg.ValidatorAddr)))
}
if len(msg.SideChainId) == 0 || len(msg.SideChainId) > types.MaxSideChainIdLength {
return ErrInvalidInput(DefaultCodespace, fmt.Sprintf("side chain id must be included and max length is %d bytes", types.MaxSideChainIdLength))
}
return nil
}
func (msg MsgSideChainUnjail) GetInvolvedAddresses() []sdk.AccAddress {
return msg.GetSigners()
}
//__________________________________________________________________
// MsgAscSubmitEvidence - struct for submitting evidence for axc
var _ sdk.Msg = &MsgAscSubmitEvidence{}
type MsgAscSubmitEvidence struct {
Submitter sdk.AccAddress `json:"submitter"`
Headers []asc.Header `json:"headers"`
}
func NewMsgAscSubmitEvidence(submitter sdk.AccAddress, headers []asc.Header) MsgAscSubmitEvidence {
return MsgAscSubmitEvidence{
Submitter: submitter,
Headers: headers,
}
}
func (MsgAscSubmitEvidence) Route() string {
return MsgRoute
}
func (MsgAscSubmitEvidence) Type() string {
return TypeMsgAscSubmitEvidence
}
func (msg MsgAscSubmitEvidence) ValidateBasic() sdk.Error {
if len(msg.Submitter) != sdk.AddrLen {
return sdk.ErrInvalidAddress(fmt.Sprintf("Expected delegator address length is %d, actual length is %d", sdk.AddrLen, len(msg.Submitter)))
}
if len(msg.Headers) != 2 {
return ErrInvalidEvidence(DefaultCodespace, "Must have 2 headers exactly")
}
if err := headerEmptyCheck(msg.Headers[0]); err != nil {
return err
}
if err := headerEmptyCheck(msg.Headers[1]); err != nil {
return err
}
if msg.Headers[0].Number != msg.Headers[1].Number {
return ErrInvalidEvidence(DefaultCodespace, "The numbers of two block headers are not the same")
}
if msg.Headers[0].ParentHash.Cmp(msg.Headers[1].ParentHash) != 0 {
return ErrInvalidEvidence(DefaultCodespace, "The parent hash of two block headers are not the same")
}
signature1, err := msg.Headers[0].GetSignature()
if err != nil {
return ErrInvalidEvidence(DefaultCodespace, fmt.Sprintf("Failed to get signature from block header, %s", err.Error()))
}
signature2, err := msg.Headers[1].GetSignature()
if err != nil {
return ErrInvalidEvidence(DefaultCodespace, fmt.Sprintf("Failed to get signature from block header, %s", err.Error()))
}
if bytes.Compare(signature1, signature2) == 0 {
return ErrInvalidEvidence(DefaultCodespace, "The two blocks are the same")
}
return nil
}
func headerEmptyCheck(header asc.Header) sdk.Error {
if header.Number == 0 {
return ErrInvalidEvidence(DefaultCodespace, "header number can not be zero ")
}
if header.Difficulty == 0 {
return ErrInvalidEvidence(DefaultCodespace, "header difficulty can not be zero")
}
if header.Extra == nil {
return ErrInvalidEvidence(DefaultCodespace, "header extra can not be empty")
}
return nil
}
func (msg MsgAscSubmitEvidence) GetSignBytes() []byte {
bz := MsgCdc.MustMarshalJSON(msg)
return sdk.MustSortJSON(bz)
}
func (msg MsgAscSubmitEvidence) GetSigners() []sdk.AccAddress {
return []sdk.AccAddress{msg.Submitter}
}
func (msg MsgAscSubmitEvidence) GetInvolvedAddresses() []sdk.AccAddress {
return msg.GetSigners()
}