Addresses

Hedgehog is deployed to the ethereum blockchain here:

Mainnet
Hedgehogfactory.sol	0x0D266eCaA06C555028Bb975C52D71002CAD30EbA
Hedgehog.sol (WETH)	0x7ad99BD7414b1d27C25076afB807b8d3BDC8CC59
WETH	0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2

Ropsten testnet
Hedgehogfactory.sol	0x8C98C789ACda3e5331afa582DF06d788D94c28FB
Hedgehog.sol (WETH)	0xa6b5846D57e7295fE87b125bE9901A270be6c1b8
WETH custom	0xf5E86AB8aa8dCD5AC331d3a8Cb9894Aa924b2947

Kovan testnet
Hedgehogfactory.sol	0x3F28Aac00BfE9b9d848bf48A8994795dA9F6228B
Hedgehog.sol (WETH)	0xd94ef1F614EE5D5c56986B8f5087f66c03B254bd
WETH custom	0xCb7759495C888771be8F1EbbC625a44b5Ae11380

Rinkeby testnet
Hedgehogfactory.sol	0xC20d30Cee8a6C03c110F4B8837560EC35034b3b0
Hedgehog.sol (WETH)	0x5E22F0F6Ac025a1647cEA4E03B158Bc891c378A1
WETH custom	0x9612ebF2955066388b8B2c8Ec54f9129a6dEC99E

Goerli testnet
Hedgehogfactory.sol	0x93698B94A950aa9668d9b584908C2399dfB1183d
Hedgehog.sol (WETH)	0x1B70D1637F4597aBb360257FD5fF3539908F9B10
WETH custom	0x2bBa9Ec08e2CC38670C434a94962FF71ffF7b563