claim cheque cell example

claim_cheque_cell_example.go

func processBlockData(client rpc.Client, systemScripts *utils.SystemScripts, blockNumber uint64) error {
	block, err := client.GetBlockByNumber(context.Background(), blockNumber)
	if err != nil {
		return err
	}
	for _, tx := range block.Transactions {
		for _, output := range tx.Outputs {
			addr, err := address.Generate(address.Mainnet, output.Lock)
			if err != nil {
				return err
			}
			if !isExchangeManagedAddress(addr) {
				continue
			}
			if utils.IsChequeCell(output, systemScripts) && output.Type != nil {
				// find addr's sk
				sk := "addr's PRIVATE KEY"
				key, err := s.HexToKey(sk)
				txHash, err := claimChequeCell(addr, output, client, systemScripts, key)
				if err != nil {
					return err
				}
				log.Println(txHash)
			}
		}
	}
	return nil
}
func isExchangeManagedAddress(addr string) bool {
	return true
}

func claimChequeCell(addr string, output *types.CellOutput, client rpc.Client, systemScripts *utils.SystemScripts, key crypto.Key) (string, error){
	// claim cheque cell
	uuid := hex.EncodeToString(output.Type.Args)
	c, err := payment.NewClaimCheque(addr, uuid, 1000, systemScripts)
	if err != nil {
		return "", err
	}
	_, err = c.GenerateClaimChequeUnsignedTx(client, systemScripts)
	if err != nil {
		return "", err
	}
	_, err = c.SignTx(key)
	if err != nil {
		return "", err
	}
	txHash, err := c.Send(client)
	if err != nil {
		return "", err
	}
	return txHash.String(), err
}