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I want to design a contract in polygon network which receives crypto (ETH) from sender and sends it to the receiver on a timely basis may be monthly.

I am not sure if it is possible without polygon bridge. This is not a problem if transfer is done in MATIC token itself but here it is ETH.

It's something like Escrow contract with recurring ETH payment in polygon network.

I need some expert's suggestions on this.

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Well you could design it in a way where the amount get unlocked and become available after X block. A Block is about 13 sec so it will give you an proximate month.

You would still need a process to activate this transaction execution and provide some gas. The contract will not be triggered because it reach a time limit.

Some easy solutions for you.

  • Use a time frame to count how much is unlocked and claimable by the recipient. (User will pay the gas)
  • Use a Bot. (You pay the gas)
  • Use a process (transaction) that runs often and use it to trigger the transfer(at users expense in the worst way)

There are probably other solutions, For example there is a fluid token model that stream an amount over time. That token could then be turned back to ETH.

So it's really a matter of who will pay the gas for your automated task in the end.

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  • I get it but is it really possible to transfer ETH in polygon network or not? Because it's cross-chain.Actually, a polygon bridge helps to complete the transfer. How can we do this without a polygon bridge?
    – NinjaMAN
    Dec 27, 2021 at 8:46
  • You can't do this without a bridge. Dec 27, 2021 at 17:28
  • That means without manual activity in polygon bridge it's not possible?
    – NinjaMAN
    Dec 28, 2021 at 5:07

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