/
msgs.go
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/
msgs.go
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package types
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"strings"
)
const (
// MsgRoute identifies transaction types
MsgRoute = "fantoken"
TypeMsgIssue = "issue"
TypeMsgEdit = "edit"
TypeMsgMint = "mint"
TypeMsgBurn = "burn"
TypeMsgSetAuthority = "set_authority"
TypeMsgSetMinter = "set_minter"
TypeMsgSetUri = "set_uri"
)
var (
_ sdk.Msg = &MsgIssue{}
_ sdk.Msg = &MsgDisableMint{}
_ sdk.Msg = &MsgMint{}
_ sdk.Msg = &MsgBurn{}
_ sdk.Msg = &MsgSetAuthority{}
_ sdk.Msg = &MsgSetMinter{}
_ sdk.Msg = &MsgSetUri{}
)
// NewMsgIssue - construct token issue msg.
func NewMsgIssue(name, symbol, uri string, maxSupply sdk.Int, authority string) *MsgIssue {
return &MsgIssue{
Name: name,
Symbol: symbol,
URI: uri,
MaxSupply: maxSupply,
Authority: authority,
}
}
// Route Implements Msg.
func (msg MsgIssue) Route() string { return MsgRoute }
// Type Implements Msg.
func (msg MsgIssue) Type() string { return TypeMsgIssue }
// ValidateBasic Implements Msg.
func (msg MsgIssue) ValidateBasic() error {
authority, err := sdk.AccAddressFromBech32(msg.Authority)
if err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid authority address (%s)", err)
}
minter, err := sdk.AccAddressFromBech32(msg.Minter)
if err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid minter address (%s)", err)
}
fantoken := &FanToken{
MaxSupply: msg.MaxSupply,
Minter: minter.String(),
MetaData: Metadata{
Name: msg.Name,
Symbol: msg.Symbol,
URI: msg.URI,
Authority: authority.String(),
},
}
return fantoken.Validate()
}
// GetSignBytes Implements Msg.
func (msg MsgIssue) GetSignBytes() []byte {
b, err := ModuleCdc.MarshalJSON(&msg)
if err != nil {
panic(err)
}
return sdk.MustSortJSON(b)
}
// GetSigners Implements Msg.
func (msg MsgIssue) GetSigners() []sdk.AccAddress {
from, err := sdk.AccAddressFromBech32(msg.Authority)
if err != nil {
panic(err)
}
return []sdk.AccAddress{from}
}
// NewMsgSetAuthority return a instance of MsgSetAuthority
func NewMsgSetAuthority(denom, oldAuthority, newAuthority string) *MsgSetAuthority {
return &MsgSetAuthority{
Denom: denom,
OldAuthority: oldAuthority,
NewAuthority: newAuthority,
}
}
// GetSignBytes implements Msg
func (msg MsgSetAuthority) GetSignBytes() []byte {
b, err := ModuleCdc.MarshalJSON(&msg)
if err != nil {
panic(err)
}
return sdk.MustSortJSON(b)
}
// GetSigners implements Msg
func (msg MsgSetAuthority) GetSigners() []sdk.AccAddress {
from, err := sdk.AccAddressFromBech32(msg.OldAuthority)
if err != nil {
panic(err)
}
return []sdk.AccAddress{from}
}
// ValidateBasic implements Msg
func (msg MsgSetAuthority) ValidateBasic() error {
oldAuthority, err := sdk.AccAddressFromBech32(msg.OldAuthority)
if err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid old authority address (%s)", err)
}
var newAuthority sdk.AccAddress
if len(strings.TrimSpace(msg.NewAuthority)) > 0 {
newAuthority, err = sdk.AccAddressFromBech32(msg.NewAuthority)
if err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid new authority address (%s)", err)
}
}
// check if the `newAuthority` is same as the original authority
if oldAuthority.Equals(newAuthority) {
return ErrInvalidToAddress
}
// check the symbol
if err := ValidateDenom(msg.Denom); err != nil {
return err
}
return nil
}
// Route implements Msg
func (msg MsgSetAuthority) Route() string { return MsgRoute }
// Type implements Msg
func (msg MsgSetAuthority) Type() string { return TypeMsgSetAuthority }
// NewMsgSetMinter return a instance of MsgSetMinter
func NewMsgSetMinter(denom, oldMinter, newMinter string) *MsgSetMinter {
return &MsgSetMinter{
Denom: denom,
OldMinter: oldMinter,
NewMinter: newMinter,
}
}
// GetSignBytes implements Msg
func (msg MsgSetMinter) GetSignBytes() []byte {
b, err := ModuleCdc.MarshalJSON(&msg)
if err != nil {
panic(err)
}
return sdk.MustSortJSON(b)
}
// GetSigners implements Msg
func (msg MsgSetMinter) GetSigners() []sdk.AccAddress {
from, err := sdk.AccAddressFromBech32(msg.OldMinter)
if err != nil {
panic(err)
}
return []sdk.AccAddress{from}
}
// ValidateBasic implements Msg
func (msg MsgSetMinter) ValidateBasic() error {
oldMinter, err := sdk.AccAddressFromBech32(msg.OldMinter)
if err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid old minter address (%s)", err)
}
newMinter, err := sdk.AccAddressFromBech32(msg.NewMinter)
if err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid new minter address (%s)", err)
}
// check if the `newMinter` is same as the original minter
if oldMinter.Equals(newMinter) {
return ErrInvalidToAddress
}
// check the symbol
if err := ValidateDenom(msg.Denom); err != nil {
return err
}
return nil
}
// Route implements Msg
func (msg MsgSetMinter) Route() string { return MsgRoute }
// Type implements Msg
func (msg MsgSetMinter) Type() string { return TypeMsgSetMinter }
// NewMsgDisableMint creates a MsgDisableMint
func NewMsgDisableMint(denom string, minter string) *MsgDisableMint {
return &MsgDisableMint{
Denom: denom,
Minter: minter,
}
}
// Route implements Msg
func (msg MsgDisableMint) Route() string { return MsgRoute }
// Type implements Msg
func (msg MsgDisableMint) Type() string { return TypeMsgEdit }
// GetSignBytes implements Msg
func (msg MsgDisableMint) GetSignBytes() []byte {
b, err := ModuleCdc.MarshalJSON(&msg)
if err != nil {
panic(err)
}
return sdk.MustSortJSON(b)
}
// GetSigners implements Msg
func (msg MsgDisableMint) GetSigners() []sdk.AccAddress {
from, err := sdk.AccAddressFromBech32(msg.Minter)
if err != nil {
panic(err)
}
return []sdk.AccAddress{from}
}
// ValidateBasic implements Msg
func (msg MsgDisableMint) ValidateBasic() error {
// check minter
if _, err := sdk.AccAddressFromBech32(msg.Minter); err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid minter address (%s)", err)
}
return ValidateDenom(msg.Denom)
}
// NewMsgMint creates a MsgMint
func NewMsgMint(recipient string, coin sdk.Coin, minter string) *MsgMint {
return &MsgMint{
Recipient: recipient,
Coin: coin,
Minter: minter,
}
}
// Route implements Msg
func (msg MsgMint) Route() string { return MsgRoute }
// Type implements Msg
func (msg MsgMint) Type() string { return TypeMsgMint }
// GetSignBytes implements Msg
func (msg MsgMint) GetSignBytes() []byte {
b, err := ModuleCdc.MarshalJSON(&msg)
if err != nil {
panic(err)
}
return sdk.MustSortJSON(b)
}
// GetSigners implements Msg
func (msg MsgMint) GetSigners() []sdk.AccAddress {
from, err := sdk.AccAddressFromBech32(msg.Minter)
if err != nil {
panic(err)
}
return []sdk.AccAddress{from}
}
// ValidateBasic implements Msg
func (msg MsgMint) ValidateBasic() error {
// check the minter
if _, err := sdk.AccAddressFromBech32(msg.Minter); err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid minter address (%s)", err)
}
// check the reception
if len(msg.Recipient) > 0 {
if _, err := sdk.AccAddressFromBech32(msg.Recipient); err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid mint reception address (%s)", err)
}
}
if err := ValidateAmount(msg.Coin.Amount); err != nil {
return err
}
return ValidateDenom(msg.Coin.Denom)
}
// NewMsgBurn creates a MsgBurn
func NewMsgBurn(coin sdk.Coin, sender string) *MsgBurn {
return &MsgBurn{
Coin: coin,
Sender: sender,
}
}
// Route implements Msg
func (msg MsgBurn) Route() string { return MsgRoute }
// Type implements Msg
func (msg MsgBurn) Type() string { return TypeMsgBurn }
// GetSignBytes implements Msg
func (msg MsgBurn) GetSignBytes() []byte {
b, err := ModuleCdc.MarshalJSON(&msg)
if err != nil {
panic(err)
}
return sdk.MustSortJSON(b)
}
// GetSigners implements Msg
func (msg MsgBurn) GetSigners() []sdk.AccAddress {
from, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
panic(err)
}
return []sdk.AccAddress{from}
}
// ValidateBasic implements Msg
func (msg MsgBurn) ValidateBasic() error {
// check the owner
if _, err := sdk.AccAddressFromBech32(msg.Sender); err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid owner address (%s)", err)
}
if err := ValidateAmount(msg.Coin.Amount); err != nil {
return err
}
return ValidateDenom(msg.Coin.Denom)
}
// NewMsgSetUri creates a MsgSetUri
func NewMsgSetUri(denom, newUri string, sender string) *MsgSetUri {
return &MsgSetUri{
Authority: sender,
Denom: denom,
URI: newUri,
}
}
// Route implements Msg
func (msg MsgSetUri) Route() string { return MsgRoute }
// Type implements Msg
func (msg MsgSetUri) Type() string { return TypeMsgSetUri }
// GetSignBytes implements Msg
func (msg MsgSetUri) GetSignBytes() []byte {
b, err := ModuleCdc.MarshalJSON(&msg)
if err != nil {
panic(err)
}
return sdk.MustSortJSON(b)
}
// GetSigners implements Msg
func (msg MsgSetUri) GetSigners() []sdk.AccAddress {
from, err := sdk.AccAddressFromBech32(msg.Authority)
if err != nil {
panic(err)
}
return []sdk.AccAddress{from}
}
// ValidateBasic implements Msg
func (msg MsgSetUri) ValidateBasic() error {
// check the authority
if _, err := sdk.AccAddressFromBech32(msg.Authority); err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid authority address (%s)", err)
}
if err := ValidateUri(msg.URI); err != nil {
return err
}
return ValidateDenom(msg.Denom)
}