Emitted each time a pair is created via createPair.
token0is guaranteed to be strictly less than
token1by sort order.
- The final
uintlog value will be
1for the first pair created,
2for the second, etc. (see allPairs/getPair).
Returns the address of the pair for
tokenB, if it has been created, else
- Pair addresses can also be calculated deterministically.
Returns the address of the
nth pair (
0-indexed) created through the factory, or
0x0000000000000000000000000000000000000000) if not enough pairs have been created yet.
0for the address of the first pair created,
1for the second, etc.
Returns the total number of pairs created through the factory so far.
The address allowed to change feeTo.
Creates a pair for
tokenB if one doesn't exist already.
- Emits PairCreated.