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bill_simplepay.go
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bill_simplepay.go
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package channel
import (
"bytes"
"fmt"
"github.com/hacash/core/fields"
)
/**
跨节点支付对账票据
*/
type OffChainCrossNodeSimplePaymentReconciliationBill struct {
// Statement of this channel
ChannelChainTransferTargetProveBody ChannelChainTransferProveBodyInfo
// Channel chain payment data
ChannelChainTransferData OffChainFormPaymentChannelTransfer
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) TypeCode() uint8 {
return BillTypeCodeSimplePay // type
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) Size() uint32 {
return c.ChannelChainTransferTargetProveBody.Size() +
c.ChannelChainTransferData.Size()
}
func (c *OffChainCrossNodeSimplePaymentReconciliationBill) Parse(buf []byte, seek uint32) (uint32, error) {
var err error
seek, err = c.ChannelChainTransferTargetProveBody.Parse(buf, seek)
if err != nil {
return 0, err
}
return c.ChannelChainTransferData.Parse(buf, seek)
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) Serialize() ([]byte, error) {
buf := bytes.NewBuffer(nil)
b3, err := c.ChannelChainTransferTargetProveBody.Serialize()
if err != nil {
return nil, err
}
buf.Write(b3)
b4, err := c.ChannelChainTransferData.Serialize()
if err != nil {
return nil, err
}
buf.Write(b4)
return buf.Bytes(), nil
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) SerializeWithTypeCode() ([]byte, error) {
buf := bytes.NewBuffer([]byte{c.TypeCode()})
b1, err := c.Serialize()
if err != nil {
return nil, err
}
buf.Write(b1)
return buf.Bytes(), nil
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) GetChannelId() fields.ChannelId {
return c.ChannelChainTransferTargetProveBody.ChannelId
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) GetLeftBalance() fields.Amount {
return c.ChannelChainTransferTargetProveBody.LeftBalance
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) GetRightBalance() fields.Amount {
return c.ChannelChainTransferTargetProveBody.RightBalance
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) GetLeftSatoshi() fields.Satoshi {
return c.ChannelChainTransferTargetProveBody.LeftSatoshi.GetRealSatoshi()
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) GetRightSatoshi() fields.Satoshi {
return c.ChannelChainTransferTargetProveBody.RightSatoshi.GetRealSatoshi()
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) GetLeftAddress() fields.Address {
return c.ChannelChainTransferTargetProveBody.LeftAddress
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) GetRightAddress() fields.Address {
return c.ChannelChainTransferTargetProveBody.RightAddress
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) GetTimestamp() uint64 {
return uint64(c.ChannelChainTransferData.Timestamp)
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) GetReuseVersionAndAutoNumber() (uint32, uint64) {
return uint32(c.ChannelChainTransferTargetProveBody.ReuseVersion),
uint64(c.ChannelChainTransferTargetProveBody.BillAutoNumber)
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) GetReuseVersion() uint32 {
return uint32(c.ChannelChainTransferTargetProveBody.ReuseVersion)
}
func (c OffChainCrossNodeSimplePaymentReconciliationBill) GetAutoNumber() uint64 {
return uint64(c.ChannelChainTransferTargetProveBody.BillAutoNumber)
}
// Check data availability
func (c OffChainCrossNodeSimplePaymentReconciliationBill) CheckValidity() error {
var checkIsOk bool = false
hxchecker := c.ChannelChainTransferTargetProveBody.GetSignStuffHashHalfChecker()
cks := c.ChannelChainTransferData.ChannelTransferProveHashHalfCheckers
for _, v := range cks {
if v.Equal(hxchecker) {
checkIsOk = true
break
}
}
// Include or not
if checkIsOk == false {
return fmt.Errorf("ProveBody's HashHalfChecker <%s> not included in ChannelTransferProveHashHalfCheckers.",
hxchecker.ToHex())
}
// Check successful
return nil
}
// Verify signature on ticket
func (c OffChainCrossNodeSimplePaymentReconciliationBill) VerifySignature() error {
return c.ChannelChainTransferData.CheckMustAddressAndSigns()
}