TON Payment Channels

Fast and cheap off-chain micro-transactions for the Telegram Open Network.

A payment channel allows two parties to send funds to each other over a period of time using fast and cheap micro-transactions. The micro-transactions happen off-chain, however they are guaranteed by funds locked on-chain and do not require the parties to trust each other.

How it works

• The payment channel is deployed and configured with the addresses of the two parties involved.
• Both parties contribute their shares by sending them to the contract.
• All further transactions happen off-chain by exchanging signed messages in a special format that facilitates keeping track of liabilities.
• After all micro-transactions have been performed, the two parties communicate the results to the contract and it redistributes the funds accordingly.

Guarantees

• If one of the parties disappears and stops communicating according to the protocol, the locked funds are released after a predetermined timeout.
• Even if one of the parties behaves dishonestly, the other party will get at least as much funds as they expect to get.
• Optionally, misbehaviour (disappearing or being actively dishonest) can be penalised by incurring a fine on the misbehaving party.

Specification

Payment-channel.md

Use

Building the contract code

• make

Using the contract

See the Tutorial.

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