Linked Questions

1
vote
1answer
3k views

How to automatically send ether, at regular intervals [duplicate]

How to automatically send ether, at regular intervals. I have an array of addresses. For example. 24 hours later send all addresses send eth. I can not understand how to make the timer on the solidity ...
5
votes
1answer
1k views

Can smart contracts execute themselves? [duplicate]

Is it possible for a smart contract to autonomously execute (with no external interaction) when a certain condition is met? Say, when a certain time arrives. My thought is that smart contracts are ...
0
votes
3answers
682 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 ...
1
vote
1answer
1k views

Automated execution of smart contract [duplicate]

What are the chances to create such a smart contract whose function is executed automatically at certain point of time (timestamp) ?         I actually mean ...
2
votes
2answers
381 views

Is it possible to create an “engine” in ethereum/solidity? [duplicate]

I would like to create a lottery. For that I would need to have a repeating payout event every 1h or 24h -> is this even possible with Solidity/Ethereum?
3
votes
1answer
371 views

Do ethereum contracts stay active if it has to wait for a condition to happen? How is the TIME element factored into smart contracts? [duplicate]

I haven't written any contract yet, but would like to know if this is something that can be done. Lets say I write a smart contract to pay someone if his ethereum address goes below a certain amount ...
0
votes
2answers
937 views

How to write time based events in a contract? [duplicate]

I have created a token creation contract. Now, I have to write time-based events in the same contract like after every 6 months some 'x' number of tokens should send to 3 ether addresses. How to write ...
2
votes
2answers
406 views

Self executing smart contract? [duplicate]

If I need to implement a smart contract with a function that should be automatically executed each 1 hour (for example). Any suggestions for how to implement such a smart contract?
1
vote
1answer
416 views

Perform function on specfic date(s) [duplicate]

Is it possible to have a soldity smart contract perform a function on a predefined date (E.g. perform a payment on 2/12/2018) without requiring an external events to call the function? If yes, how ...
0
votes
1answer
451 views

How to call the contract function after a specified interval [duplicate]

There is a function in contract that should call every month. Can this be implemented with the help of Solidity? For example: I have made an order for 1 month. A month later the status of the ...
6
votes
0answers
395 views

Is there a SetTimeout function in Solidity? [duplicate]

Essentially, is there a SetTimeout in Solidity? creationTime = now; lastBlockNumberA = block.number - 1; first = lastBlockNumberA; if(now >= creationTime + 1 days){ lastBlockNumberB = block....
1
vote
1answer
262 views

Smart Contract initiated actions and gas costs [duplicate]

Is it possible for a smart contract to initiate actions on its own? (ie. without an external message being received?) For example, is it possible to implement a smart-contract-based reminder system ...
1
vote
1answer
141 views

how can the smart contract auto update contract status for every 1st of each month? [duplicate]

I am new to etherum blockchain. I am working on designing the contract for payment money. The customer must pay money for rent space for every 1 month, or the contract will be invalid. How can my ...
0
votes
1answer
79 views

How exactly ethereum is a smart-contract platform [duplicate]

I am new to Ehterum and Blockcain. I am using ehtereum smart contracts api web3.js for my front-end interaction. I am using solidity for writing contract using truffle. I want to automate the ...
0
votes
1answer
78 views

How to transfer tokens after 6 blocks? [duplicate]

I have created a smart contract that expects to receive ether via Etherum Wallet desktop app or MyEtherWallet site. The contract then sends equivalent amount of tokens to the ether sender on the same ...

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