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Questions tagged [scheduling]

The tag has no usage guidance.

0
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2answers
30 views

Can I make recursive calls using Ethereum Alarm Clock Scheduler?

Answer given here does not provide full solution. Can some one please suggest me if it is practically feasible to execute a method in my smart contract every 24 hours using Ethereum Alarm Clock? You ...
0
votes
2answers
21 views

CryptoKitty birth and auction clock

How does CryptoKitty implement scheduling functions such as give birth function or auction ending function. I tried to track it through Eth Fiddle but didn't find how it was done. Is there a ...
0
votes
3answers
221 views

How can contract do recurring payments? [duplicate]

I need to create a contract that will make recurring payments as per user's request, the contract will ask the user to tell the sender and receiver address and it'll transfer some amount of erc20 ...
0
votes
0answers
15 views

Scheduled Operation on Smart Contract [duplicate]

Looking for a way to schedule an event within the smart contract. When the event is occurred should be able to invoke the method of the contract. I want to implement this whole feature, within the ...
0
votes
2answers
128 views

Ethereum Alarm Clock

I am trying to test a smart contract which uses the Ethereum Alarm Clock . They have mentioned a contract address for the testnet. But that is old and it is not available for any of the new testnets. ...
2
votes
1answer
861 views

Parity schedule on block number n-1 or n-2?

I'm trying to get in on some ICO's, and was wondering what the best way to get in was using Parity. I've read some people say that you should use n-2 so the block number the ICO starts at minus two ...
14
votes
4answers
7k views

How to schedule a transaction?

Anyone can guide me on how to schedule a transaction to be sent once a specific block number is mined? Thanks
5
votes
1answer
413 views

How to deploy Ethereum Alarm Clock contract on a private ethereum network?

Ethereum Alarm Clock: Schedule Contract Function Calls An ethereum contract that facilitates scheduling function calls for a specified block in the future. Function calls can be scheduled to ...
3
votes
1answer
133 views

What happens when you put an recursive schedule call with Ethereum Alarm Clock scheduler?

My goal is to schedule a call once every day. [Q] Is it possible to use recursive function to schedule a call once every day using Ethereum Alarm Clock scheduler? Example from following answer ...
9
votes
2answers
3k views

Is block.timestamp safe for longer time periods?

I would like to set a timer like uint timeout = now + 1 year; Is it possible that a miner cheats the timestamp of the block that it's included more then let's say a month. So if I need roughly 1 ...
8
votes
1answer
308 views

Why can't a contract wake up and run itself?

This question is not about external solutions, but are there technical limitations to why a contract that has funds, can't schedule itself to run at a future block? Could the Ethereum protocol have ...
1
vote
0answers
32 views

How can I schedule a call in a future? [duplicate]

Let say I want to be sure that some action is executed every 24 hours. Is there a way to guarantee this if my contract have necessary ethers to pay for this calls?
84
votes
5answers
19k views

How can a contract run itself at a later time?

In my blockchain application, I would like to have an event triggered at a later time, hours or perhaps even days after the application has most recently received a transaction from a user. How can I ...