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| Code Line | Code Description | |
|---|---|---|
| function () public payable onlyParticipants() | Defines a function only accessible to parties involved | |
| if (msg.sender == party1) | checks if it is party 1 interacting with the contract | |
| party1EtherBalance += msg.value; | adds the value of the sent funds to the stored amount | |
| else if (msg.sender == party2) | checks if it is party 2 interacting with the contract | |
| party2TokenBalance = e.balanceOf(this); | updates the token balance according to the amount present | |
| if (party1EtherBalance >= party1PayableEther | checks for satisfaction of party 1's payable funds | |
| && party2TokenBalance >= party2PayableTokens) | checks for satisfaction of party 2's payable funds | |
| e.transfer(party1 party2PayableTokens); | transfers the payable funds to party 1 | |
| party2.transfer(party1EtherBalance); | transfers the payable funds to party 2 |
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