forked from cosmos/sdk-tutorials
/
msgs.go
188 lines (157 loc) · 5.45 KB
/
msgs.go
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package types
import (
sdk "github.com/cosmos/cosmos-sdk/types"
)
// RouterKey is the module name router key
const RouterKey = ModuleName // this was defined in your key.go file
// MsgSetName defines a SetName message
type MsgSetName struct {
Name string `json:"name"`
Value string `json:"value"`
Owner sdk.AccAddress `json:"owner"`
}
// NewMsgSetName is a constructor function for MsgSetName
func NewMsgSetName(name string, value string, owner sdk.AccAddress) MsgSetName {
return MsgSetName{
Name: name,
Value: value,
Owner: owner,
}
}
// Route should return the name of the module
func (msg MsgSetName) Route() string { return RouterKey }
// Type should return the action
func (msg MsgSetName) Type() string { return "set_name" }
// ValidateBasic runs stateless checks on the message
func (msg MsgSetName) ValidateBasic() sdk.Error {
if msg.Owner.Empty() {
return sdk.ErrInvalidAddress(msg.Owner.String())
}
if len(msg.Name) == 0 || len(msg.Value) == 0 {
return sdk.ErrUnknownRequest("Name and/or Value cannot be empty")
}
return nil
}
// GetSignBytes encodes the message for signing
func (msg MsgSetName) GetSignBytes() []byte {
return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(msg))
}
// GetSigners defines whose signature is required
func (msg MsgSetName) GetSigners() []sdk.AccAddress {
return []sdk.AccAddress{msg.Owner}
}
// MsgBuyName defines the BuyName message
type MsgBuyName struct {
Name string `json:"name"`
Bid sdk.Coins `json:"bid"`
Buyer sdk.AccAddress `json:"buyer"`
}
// NewMsgBuyName is the constructor function for MsgBuyName
func NewMsgBuyName(name string, bid sdk.Coins, buyer sdk.AccAddress) MsgBuyName {
return MsgBuyName{
Name: name,
Bid: bid,
Buyer: buyer,
}
}
// Route should return the name of the module
func (msg MsgBuyName) Route() string { return RouterKey }
// Type should return the action
func (msg MsgBuyName) Type() string { return "buy_name" }
// ValidateBasic runs stateless checks on the message
func (msg MsgBuyName) ValidateBasic() sdk.Error {
if msg.Buyer.Empty() {
return sdk.ErrInvalidAddress(msg.Buyer.String())
}
if len(msg.Name) == 0 {
return sdk.ErrUnknownRequest("Name cannot be empty")
}
if !msg.Bid.IsAllPositive() {
return sdk.ErrInsufficientCoins("Bids must be positive")
}
return nil
}
// GetSignBytes encodes the message for signing
func (msg MsgBuyName) GetSignBytes() []byte {
return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(msg))
}
// GetSigners defines whose signature is required
func (msg MsgBuyName) GetSigners() []sdk.AccAddress {
println("###########################################")
return []sdk.AccAddress{msg.Buyer}
}
// MsgDeleteName defines a DeleteName message
type MsgDeleteName struct {
Name string `json:"name"`
Owner sdk.AccAddress `json:"owner"`
}
// NewMsgDeleteName is a constructor function for MsgDeleteName
func NewMsgDeleteName(name string, owner sdk.AccAddress) MsgDeleteName {
return MsgDeleteName{
Name: name,
Owner: owner,
}
}
// Route should return the name of the module
func (msg MsgDeleteName) Route() string { return RouterKey }
// Type should return the action
func (msg MsgDeleteName) Type() string { return "delete_name" }
// ValidateBasic runs stateless checks on the message
func (msg MsgDeleteName) ValidateBasic() sdk.Error {
if msg.Owner.Empty() {
return sdk.ErrInvalidAddress(msg.Owner.String())
}
if len(msg.Name) == 0 {
return sdk.ErrUnknownRequest("Name cannot be empty")
}
return nil
}
// GetSignBytes encodes the message for signing
func (msg MsgDeleteName) GetSignBytes() []byte {
return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(msg))
}
// GetSigners defines whose signature is required
func (msg MsgDeleteName) GetSigners() []sdk.AccAddress {
return []sdk.AccAddress{msg.Owner}
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// MsgSetName defines a SetName message
type MsgRegisterTransfer struct {
Sender sdk.AccAddress `json:"sender"`
Receiver sdk.AccAddress `json:"receiver"`
Prestige uint `json:"price"`
Filename string `json:"filename"`
}
// NewMsgSetName is a constructor function for MsgSetName
func NewMsgRegisterTransfer(sender sdk.AccAddress, receiver sdk.AccAddress, prestige uint, filename string) MsgRegisterTransfer {
return MsgRegisterTransfer{
Sender: sender,
Receiver: receiver,
Prestige: prestige,
Filename: filename,
}
}
// Route should return the name of the module
func (msg MsgRegisterTransfer) Route() string { return RouterKey }
// Type should return the action
func (msg MsgRegisterTransfer) Type() string { return "register_transfer" }
// ValidateBasic runs stateless checks on the message
func (msg MsgRegisterTransfer) ValidateBasic() sdk.Error {
if msg.Receiver.Empty() || msg.Sender.Empty() {
println("Receiver:", msg.Receiver.String(), "Sender: ", msg.Sender.String())
return sdk.ErrInvalidAddress(msg.Receiver.String())
}
if len(msg.Filename) == 0 || msg.Prestige == 0 {
return sdk.ErrUnknownRequest("Filename and/or Prestige cannot be empty/0")
}
return nil
}
// GetSignBytes encodes the message for signing
func (msg MsgRegisterTransfer) GetSignBytes() []byte {
return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(msg))
}
// GetSigners defines whose signature is required
func (msg MsgRegisterTransfer) GetSigners() []sdk.AccAddress {
println("Sender1:", msg.Sender.String(), "Receiver1:", msg.Receiver.String(), "Requires signature from:", msg.Receiver.String())
return []sdk.AccAddress{msg.Sender}
}