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I know Event is an inheritable member of a contract, when an event is emitted, it stores the arguments passed in transaction logs and this things are get stored into the blockchain.

But i see there is a Sync type event in Uniswap Pair.sol contract HERE

event Sync(uint112 reserve0, uint112 reserve1);

Looking for expert opinions.

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In uniswap, when the balances of a pair are updated ( i.e, when someone buys or sell, usually), a function named sync() is called, which computes the new price, and updates the variable that track the pair balances. This function simply emits the Sync() event once it's done executing.

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