Examples with UtxoOutput io.nuls.ledger.entity.UtxoOutput used on opensource projects

Example 6 with UtxoOutput

use of io.nuls.ledger.entity.UtxoOutput in project nuls by nuls-io.

the class UtxoTransferTool method toInput.

public static UtxoInput toInput(UtxoInputPo po) {
    UtxoInput input = new UtxoInput();
    input.setTxHash(new NulsDigestData(Hex.decode(po.getTxHash())));
    input.setIndex(po.getInIndex());
    input.setFromHash(new NulsDigestData(Hex.decode(po.getFromHash())));
    input.setFromIndex(po.getFromIndex());
    UtxoOutput output = new UtxoOutput();
    output.setTxHash(new NulsDigestData(Hex.decode(po.getFromOutPut().getTxHash())));
    output.setIndex(po.getFromOutPut().getOutIndex());
    output.setLockTime(po.getFromOutPut().getLockTime());
    output.setValue(po.getFromOutPut().getValue());
    output.setAddress(po.getFromOutPut().getAddress());
    input.setFrom(output);
    return input;
}

Example 7 with UtxoOutput

use of io.nuls.ledger.entity.UtxoOutput in project nuls by nuls-io.

the class UtxoTxOutputsValidator method validate.

@Override
public ValidateResult validate(AbstractCoinTransaction tx) {
    UtxoData utxoData = (UtxoData) tx.getCoinData();
    List<UtxoOutput> outputs = utxoData.getOutputs();
    if (null != outputs && outputs.size() > MAX_OUTPUT_COUNT) {
        return ValidateResult.getFailedResult(ERROR_MESSAGE);
    }
    return ValidateResult.getSuccessResult();
}

Example 8 with UtxoOutput

use of io.nuls.ledger.entity.UtxoOutput in project nuls by nuls-io.

the class AccountResource method getUtxo.

@GET
@Path("/utxo/")
@Produces(MediaType.APPLICATION_JSON)
public RpcResult getUtxo(@QueryParam("address") String address, @QueryParam("amount") long amount) {
    if (!Address.validAddress(address) || amount <= 0 || amount > Na.MAX_NA_VALUE) {
        return RpcResult.getFailed(ErrorCode.PARAMETER_ERROR);
    }
    UtxoBalance balance = (UtxoBalance) ledgerService.getBalance(address);
    if (balance == null || balance.getUnSpends() == null) {
        return RpcResult.getFailed("balance not enough");
    }
    amount += this.ledgerService.getTxFee(Integer.MAX_VALUE).getValue();
    long usable = 0;
    boolean enough = false;
    List<OutputDto> dtoList = new ArrayList<>();
    for (int i = 0; i < balance.getUnSpends().size(); i++) {
        UtxoOutput output = balance.getUnSpends().get(i);
        if (output.isUsable()) {
            usable += output.getValue();
            dtoList.add(new OutputDto(output));
        }
        if (usable > amount) {
            enough = true;
            break;
        }
    }
    if (!enough) {
        return RpcResult.getFailed("balance not enough");
    }
    return RpcResult.getSuccess().setData(dtoList);
}

Example 9 with UtxoOutput

use of io.nuls.ledger.entity.UtxoOutput in project nuls by nuls-io.

the class UtxoTransferTool method toOutput.

public static UtxoOutput toOutput(UtxoOutputPo po) {
    UtxoOutput output = new UtxoOutput();
    output.setTxHash(new NulsDigestData(Hex.decode(po.getTxHash())));
    output.setIndex(po.getOutIndex());
    output.setLockTime(po.getLockTime());
    output.setValue(po.getValue());
    output.setAddress(po.getAddress());
    try {
        output.setP2PKHScript(new P2PKHScript(po.getScript()));
    } catch (Exception e) {
        // todo
        Log.error(e);
    }
    long currentTime = TimeService.currentTimeMillis();
    long genesisTime = NulsContext.getInstance().getGenesisBlock().getHeader().getTime();
    long bestHeight = NulsContext.getInstance().getNetBestBlockHeight();
    if (po.getStatus() == UtxoOutputPo.USABLE) {
        if (po.getLockTime() > 0) {
            if (po.getLockTime() >= genesisTime && po.getLockTime() > currentTime) {
                output.setStatus(OutPutStatusEnum.UTXO_CONFIRM_TIME_LOCK);
            } else if (po.getLockTime() < genesisTime && po.getLockTime() > bestHeight) {
                output.setStatus(OutPutStatusEnum.UTXO_CONFIRM_TIME_LOCK);
            } else {
                output.setStatus(OutPutStatusEnum.UTXO_CONFIRM_UNSPEND);
            }
        } else {
            output.setStatus(OutPutStatusEnum.UTXO_CONFIRM_UNSPEND);
        }
    } else if (po.getStatus() == UtxoOutputPo.LOCKED) {
        output.setStatus(OutPutStatusEnum.UTXO_CONFIRM_CONSENSUS_LOCK);
    } else if (po.getStatus() == UtxoOutputPo.SPENT) {
        output.setStatus(OutPutStatusEnum.UTXO_SPENT);
    }
    if (po.getCreateTime() != null) {
        output.setCreateTime(po.getCreateTime());
    }
    if (po.getTxType() != null) {
        output.setTxType(po.getTxType());
    }
    return output;
}

Example 10 with UtxoOutput

use of io.nuls.ledger.entity.UtxoOutput in project nuls by nuls-io.

the class UtxoTxInputsValidator method validate.

@Override
public ValidateResult validate(AbstractCoinTransaction tx) {
    UtxoData data = (UtxoData) tx.getCoinData();
    for (int i = 0; i < data.getInputs().size(); i++) {
        UtxoInput input = data.getInputs().get(i);
        UtxoOutput output = input.getFrom();
        if (output == null && tx.getStatus() == TxStatusEnum.CACHED) {
            return ValidateResult.getFailedResult(ErrorCode.ORPHAN_TX);
        }
        if (tx.getStatus() == TxStatusEnum.CACHED) {
            if (!output.isUsable()) {
                return ValidateResult.getFailedResult(ErrorCode.UTXO_STATUS_CHANGE);
            }
        } else if (tx.getStatus() == TxStatusEnum.AGREED) {
            if (!output.isSpend()) {
                return ValidateResult.getFailedResult(ErrorCode.UTXO_STATUS_CHANGE);
            }
        }
        byte[] owner = output.getOwner();
        P2PKHScriptSig p2PKHScriptSig = null;
        try {
            p2PKHScriptSig = P2PKHScriptSig.createFromBytes(tx.getScriptSig());
        } catch (NulsException e) {
            return ValidateResult.getFailedResult(ErrorCode.DATA_ERROR);
        }
        byte[] user = p2PKHScriptSig.getSignerHash160();
        if (!Arrays.equals(owner, user)) {
            return ValidateResult.getFailedResult(ErrorCode.INVALID_OUTPUT);
        }
        return ValidateResult.getSuccessResult();
    }
    return ValidateResult.getSuccessResult();
}