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transfer_output.go
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transfer_output.go
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// Copyright (C) 2019-2021, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package secp256k1fx
import (
"encoding/json"
"errors"
"github.com/ava-labs/avalanchego/vms/components/verify"
)
var (
errNoValueOutput = errors.New("output has no value")
_ verify.State = &OutputOwners{}
)
type TransferOutput struct {
Amt uint64 `serialize:"true" json:"amount"`
OutputOwners `serialize:"true"`
}
// MarshalJSON marshals Amt and the embedded OutputOwners struct
// into a JSON readable format
// If OutputOwners cannot be serialised then this will return error
func (out *TransferOutput) MarshalJSON() ([]byte, error) {
result, err := out.OutputOwners.Fields()
if err != nil {
return nil, err
}
result["amount"] = out.Amt
return json.Marshal(result)
}
// Amount returns the quantity of the asset this output consumes
func (out *TransferOutput) Amount() uint64 { return out.Amt }
func (out *TransferOutput) Verify() error {
switch {
case out == nil:
return errNilOutput
case out.Amt == 0:
return errNoValueOutput
default:
return out.OutputOwners.Verify()
}
}
func (out *TransferOutput) VerifyState() error { return out.Verify() }
func (out *TransferOutput) Owners() interface{} { return &out.OutputOwners }