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msg.go
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msg.go
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package types
import (
"encoding/json"
"github.com/fastock/fastock-chain/x/common"
"github.com/tendermint/tendermint/crypto"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// ensure Msg interface compliance at compile time
var (
_ sdk.Msg = &MsgCreateValidator{}
_ sdk.Msg = &MsgEditValidator{}
)
//______________________________________________________________________
// MsgCreateValidator - struct for bonding transactions
type MsgCreateValidator struct {
Description Description `json:"description" yaml:"description"`
//Commission CommissionRates `json:"commission" yaml:"commission"`
MinSelfDelegation sdk.SysCoin `json:"min_self_delegation" yaml:"min_self_delegation"`
DelegatorAddress sdk.AccAddress `json:"delegator_address" yaml:"delegator_address"`
ValidatorAddress sdk.ValAddress `json:"validator_address" yaml:"validator_address"`
PubKey crypto.PubKey `json:"pubkey" yaml:"pubkey"`
}
type msgCreateValidatorJSON struct {
Description Description `json:"description" yaml:"description"`
//Commission CommissionRates `json:"commission" yaml:"commission"`
MinSelfDelegation sdk.SysCoin `json:"min_self_delegation" yaml:"min_self_delegation"`
DelegatorAddress sdk.AccAddress `json:"delegator_address" yaml:"delegator_address"`
ValidatorAddress sdk.ValAddress `json:"validator_address" yaml:"validator_address"`
PubKey string `json:"pubkey" yaml:"pubkey"`
}
// NewMsgCreateValidator creates a msg of create-validator
// Delegator address and validator address are the same
func NewMsgCreateValidator(
valAddr sdk.ValAddress, pubKey crypto.PubKey,
description Description, minSelfDelegation sdk.SysCoin,
) MsgCreateValidator {
return MsgCreateValidator{
Description: description,
DelegatorAddress: sdk.AccAddress(valAddr),
ValidatorAddress: valAddr,
PubKey: pubKey,
MinSelfDelegation: minSelfDelegation,
}
}
// nolint
func (msg MsgCreateValidator) Route() string { return RouterKey }
func (msg MsgCreateValidator) Type() string { return "create_validator" }
// GetSigners returns address(es) that must sign over msg.GetSignBytes()
func (msg MsgCreateValidator) GetSigners() []sdk.AccAddress {
// delegator is first signer so delegator pays fees
addrs := []sdk.AccAddress{msg.DelegatorAddress}
// TODO: the following will never be execute becoz ValidateBasic() raise error if DlgAddress != ValAddress
//if !bytes.Equal(msg.DelegatorAddress.Bytes(), msg.ValidatorAddress.Bytes()) {
// // if validator addr is not same as delegator addr, validator must sign
// // msg as well
// addrs = append(addrs, sdk.AccAddress(msg.ValidatorAddress))
//}
return addrs
}
// MarshalJSON implements the json.Marshaler interface to provide custom JSON serialization
func (msg MsgCreateValidator) MarshalJSON() ([]byte, error) {
return json.Marshal(msgCreateValidatorJSON{
Description: msg.Description,
DelegatorAddress: msg.DelegatorAddress,
ValidatorAddress: msg.ValidatorAddress,
PubKey: MustBech32ifyConsPub(msg.PubKey),
MinSelfDelegation: msg.MinSelfDelegation,
})
}
// UnmarshalJSON implements the json.Unmarshaler interface to provide custom JSON deserialization
func (msg *MsgCreateValidator) UnmarshalJSON(bz []byte) error {
var msgCreateValJSON msgCreateValidatorJSON
if err := json.Unmarshal(bz, &msgCreateValJSON); err != nil {
return common.ErrUnMarshalJSONFailed(err.Error())
}
msg.Description = msgCreateValJSON.Description
msg.DelegatorAddress = msgCreateValJSON.DelegatorAddress
msg.ValidatorAddress = msgCreateValJSON.ValidatorAddress
var err error
msg.PubKey, err = GetConsPubKeyBech32(msgCreateValJSON.PubKey)
if err != nil {
return ErrGetConsPubKeyBech32()
}
msg.MinSelfDelegation = msgCreateValJSON.MinSelfDelegation
return nil
}
// GetSignBytes returns the message bytes to sign over
func (msg MsgCreateValidator) GetSignBytes() []byte {
bz := ModuleCdc.MustMarshalJSON(msg)
return sdk.MustSortJSON(bz)
}
// ValidateBasic gives a quick validity check
func (msg MsgCreateValidator) ValidateBasic() error {
// note that unmarshaling from bech32 ensures either empty or valid
if msg.DelegatorAddress.Empty() {
return ErrNilDelegatorAddr()
}
if msg.ValidatorAddress.Empty() {
return ErrNilValidatorAddr()
}
if !sdk.AccAddress(msg.ValidatorAddress).Equals(msg.DelegatorAddress) {
return ErrBadValidatorAddr()
}
if msg.MinSelfDelegation.Amount.LTE(sdk.ZeroDec()) || !msg.MinSelfDelegation.IsValid() {
return ErrMinSelfDelegationInvalid()
}
if msg.Description == (Description{}) {
return ErrDescriptionIsEmpty()
}
return nil
}
// MsgEditValidator - struct for editing a validator
type MsgEditValidator struct {
Description
ValidatorAddress sdk.ValAddress `json:"address" yaml:"address"`
}
// NewMsgEditValidator creates a msg of edit-validator
func NewMsgEditValidator(valAddr sdk.ValAddress, description Description) MsgEditValidator {
return MsgEditValidator{
Description: description,
ValidatorAddress: valAddr,
}
}
// nolint
func (msg MsgEditValidator) Route() string { return RouterKey }
func (msg MsgEditValidator) Type() string { return "edit_validator" }
func (msg MsgEditValidator) GetSigners() []sdk.AccAddress {
return []sdk.AccAddress{sdk.AccAddress(msg.ValidatorAddress)}
}
// GetSignBytes gets the bytes for the message signer to sign on
func (msg MsgEditValidator) GetSignBytes() []byte {
bz := ModuleCdc.MustMarshalJSON(msg)
return sdk.MustSortJSON(bz)
}
// ValidateBasic gives a quick validity check
func (msg MsgEditValidator) ValidateBasic() error {
if msg.ValidatorAddress.Empty() {
return ErrNilValidatorAddr()
}
if msg.Description == (Description{}) {
return ErrNilValidatorAddr()
}
return nil
}