74 lines
2.0 KiB
Go
74 lines
2.0 KiB
Go
package types
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import (
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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host "github.com/cosmos/cosmos-sdk/x/ibc/24-host"
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)
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// msg types
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const (
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TypeMsgTransfer = "transfer"
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)
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// NewMsgTransfer creates a new MsgTransfer instance
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func NewMsgTransfer(
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sourcePort, sourceChannel string,
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amount sdk.Coins, sender sdk.AccAddress, receiver string,
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timeoutHeight, timeoutTimestamp uint64,
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) *MsgTransfer {
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return &MsgTransfer{
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SourcePort: sourcePort,
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SourceChannel: sourceChannel,
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Amount: amount,
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Sender: sender,
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Receiver: receiver,
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TimeoutHeight: timeoutHeight,
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TimeoutTimestamp: timeoutTimestamp,
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}
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}
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// Route implements sdk.Msg
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func (MsgTransfer) Route() string {
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return RouterKey
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}
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// Type implements sdk.Msg
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func (MsgTransfer) Type() string {
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return TypeMsgTransfer
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}
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// ValidateBasic performs a basic check of the MsgTransfer fields.
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// NOTE: timeout height and timestamp values can be 0 to disable the timeout.
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func (msg MsgTransfer) ValidateBasic() error {
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if err := host.PortIdentifierValidator(msg.SourcePort); err != nil {
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return sdkerrors.Wrap(err, "invalid source port ID")
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}
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if err := host.ChannelIdentifierValidator(msg.SourceChannel); err != nil {
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return sdkerrors.Wrap(err, "invalid source channel ID")
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}
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if !msg.Amount.IsAllPositive() {
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return sdkerrors.Wrap(sdkerrors.ErrInsufficientFunds, msg.Amount.String())
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}
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if !msg.Amount.IsValid() {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidCoins, msg.Amount.String())
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}
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if msg.Sender.Empty() {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "missing sender address")
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}
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if msg.Receiver == "" {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "missing recipient address")
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}
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return nil
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}
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// GetSignBytes implements sdk.Msg
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func (msg MsgTransfer) GetSignBytes() []byte {
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return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(msg))
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}
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// GetSigners implements sdk.Msg
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func (msg MsgTransfer) GetSigners() []sdk.AccAddress {
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return []sdk.AccAddress{msg.Sender}
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}
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