Is it possible to anonymously programmatically verify that a transaction has reached n number of validations without running a full node? If so, what is the best means to do this?
Basically I want it to build a payment system where after the transfer is initially detected, the customer sees a message thanking them and telling them that their purchase will be processed within 24 hrs and that they'll receive an email once confirmation is complete. Then throughout the day maybe run a cron job that checks that each transaction reaches the desired number of validations and if so divide the money between two wallets and mark the product to be sent. I also don't want it to be with a service like Coinbase or Bitpay where they have control of your coins.
So far I've been experimenting with Blocktrail and mycelium gear. Both have some elements I like but still not everything that I need. With mycelium you can set the number of verifications but for instance if I want to set it for 6 verifications the customer would have to sit there possibly an hour before they see the next screen. Blocktrail allows me to query that a transaction is validated but it only has the ability to check that 1 validation was completed as far as I can tell. Can anyone suggest an API or widget that can accomplish these things? Preferably PHP or if not JQuery.
Blockchain.info has a simple Query API for querying how much bitcoin an address has received. You can add a confirmations=n parameter that will only include bitcoin that has been confirmed 'n' times. It returns a simple value in satoshis.
For example to check how much bitcoin was received with at least 2 confirmations at a specific address you could have your code query the API like this:
https://blockchain.info/q/getreceivedbyaddress/1PFtyX9nQvjP8U2N3iUk2oNorzPfpjX9sK?confirmations=2
Related
I am trying to display a users transaction history in binance, including fund deposits and withdrawals as well as buying and selling of different crypto's. Does anyone know which binance API endpoints I would use to do this? It seems quite complicated in comparison to other trading platforms.
Thanks
This is the link to the docs: https://binance-docs.github.io/apidocs/spot/en/#withdraw-history-supporting-network-user_data
I can see the Wallet endpoints "Withdraw" and "Deposit", but this won't cover crypto trading will it?, The account trade list call would be ideal, but it requires a symbol input which I'm not sure how I would obtain dynamically.
I would also like this endpoint to provide me with the data so I can get the avg buy price for a crypto
Currently this is not supported. See: https://dev.binance.vision/t/fetch-all-account-orders/279/3
This is the route you're looking for to get the user trade history. The big downside is that you have to specify the exchange symbol, you cannot get the history of the account with just one request:
https://binance-docs.github.io/apidocs/spot/en/#account-trade-list-user_data
Get your account information first. You can then extract non-zero balances from here to get symbols for transactions. You can then loop through each currency pair and get its transaction history. This seems to be the most optimistic way we can get right now
You can also try to use caching. For example, you can remember balance for a particular coin, and if it has not changed by the next launch, then it is likely (but not 100%) that no transactions were made with it
You can also connect to WebSocket, but this is still a terrible crutch and requires a DOS attack to get the necessary data
Please note that here the balances for Savings wallet have LD prefix added to their ticker. For example, BTC in the Savings wallet is labeled as LDBTC
I would like to do the following using OKTA api:
One time, I would like to pull the entire system log.
Going forward I would like to pull only the days log information.
The challenge that I am facing is whenever I get the logs, I only get 1000 records. How do I get the whole days log, it maybe more that 1000 records. Is there some body who can help me with a piece of code which shows how to do this.
Thanks
You can use the Events API to retrieve this information. This API supports Pagination so you can retrieve all the events for a particular filter (like all events after a certain point in time).
1000 is the default limit for the Events API because this object can potentially contain a lot of data.
However, you can specify how many records for a specific time range are returned via the Events API using filters. For example, the following GET statement would retrieve the first 100 successful login requests since 1-Mar.
https://{{YOUR_COMPANY}}.okta.com/api/v1/events?limit=100&filter=published gt "2015-01-01T00:00:00.000Z" and action.objectType eq “core.user_auth.login_success"
If there are more than 100 records, you can get the next set by passing rel=“next” in the next request header. If you wanted to get only messages for today, you could change the date.
I am using HP Project and Portfolio Management(PPM) tool and I am adding a custom field in my request type which has date as value. Now my requirement is to send the email notifications to the users once the date mentioned in the custom field crosses the system date.
I had tried to set the notification for field level from Notification tab but not getting the custom fields in the list. All the fields, which is available, are pre-configured fields.
So, can anyone suggest me how to implement this requirement? And also where the changes need to be done If any required to implement this?
Please answer in detail and also reply soon.
Thanks in advance!!
PPM notifications can be configured on pre-defined events, like a certain transition, or timeout etc...
One possible solution for this scenario is to have timeouts on your decision step. Time out goes to an execution step, which checks for the date condition. If the condition is met it fires the notification. Else it just returns to the original decision step.
The downside of this work around is that there will be transaction details added once daily. Also the last update date of the request keeps updating daily, which is not ideal if you want to track what was the last time an end user update the request.
It is a workaround cause of the restrictions around notification events.
And if you have a large workflow, I would not recommend this work around.
The Yodlee API seems to return the following as a description of a check:
CHECK XXXXXXXXXX6789
What actually appears at the bank is something like:
CHECK 1234 123456789
Where 1234 is the check number. It seems like Yodlee is purposely obfuscating check number information, just curious if there is a way to get that which I am missing.
Yes, Yodlee do mask the numbers and show only last 4 digits. This is done for security reasons as the description may contain the account number of a user's account and hence the SDK returns only the last 4 digits.
There is a way to get the complete number but can be customized for a cobrand(SDK customer) and has to go through several approvals inside Yodlee and also with the client.
If you want to receive the complete number please log a service request through our YCC tool providing your cobrandID and other details and our customer support will look into it.
NOTE - If you have taken the SDKEE product then this can't be changed for you.
We're using the Shopify API to grab data from orders, but we're having some trouble with data validation on the fulfillment side. Is there any way we can add data validation to our checkout page? Even just Javascript validation would be a huge improvement. By the time we see an error, the customer is out of the loop, so we're having to make assumptions about our user's data which is potentially dangerous.
One example is that user typed in a phone number that began with a 1 e.g. (xxx)-1xx-xxxx, which is invalid. Another typed an address that was too long for the shipping API we send it to. We don't want to truncate arbitrary addresses so is there a way to present an error to the customer?
The checkout server is a black box as far as the API is concerned. This is mainly for security reasons.
Unfortunately, this prevents you from doing the kind of extra validation you're asking about during the checkout process.