src/main/java/com/wavesplatform/wavesj/Node.java
public Transaction getTransaction(String txId) throws IOException {
        return wavesJsonMapper.convertValue(send("/transactions/info/" + txId), Transaction.class);
    }
public Transaction getTransaction(String txId) throws IOException {
        return wavesJsonMapper.convertValue(send("/transactions/info/" + txId), Transaction.class);
    }
Returns object by its ID.

@param txId object ID
@return object object
@throws IOException if no object with the given ID exists