> For the complete documentation index, see [llms.txt](https://docs.algebra.finance/algebra-integral-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.algebra.finance/algebra-integral-documentation/overview-faq/partners/algebra-v1.9/zyberswap-optimism.md).

# Zyberswap Optimism

## Algebra v1.9

[API Reference](https://github.com/cryptoalgebra/algebra-gitbook/blob/main/algebra-v1-technical-reference/contracts/api-reference-v1.9)

[GitHub Commit](https://github.com/cryptoalgebra/AlgebraV1.9/tree/main)

## Contracts

Chain = `Optimism`

WETH = `0x4200000000000000000000000000000000000006`

POOL\_INIT\_CODE\_HASH = `0xbce37a54eab2fcd71913a0d40723e04238970e7fc1159bfd58ad5b79531697e7`

<table><thead><tr><th width="287">Contract</th><th>Address</th></tr></thead><tbody><tr><td><a href="https://github.com/cryptoalgebra/AlgebraV1.9/tree/main/src/core/contracts/AlgebraFactory.sol">AlgebraFactory</a></td><td><code>0x0C8f7b0cb986b31c67D994fb5c224592A03A4AfD</code></td></tr><tr><td><a href="https://github.com/cryptoalgebra/AlgebraV1.9/tree/main/src/core/contracts/AlgebraPoolDeployer.sol">AlgebraPoolDeployer</a></td><td><code>0xc0D4323426C709e8D04B5b130e7F059523464a91</code></td></tr><tr><td><a href="https://github.com/cryptoalgebra/AlgebraV1.9/tree/main/src/periphery/contracts/lens/Quoter.sol">Quoter</a></td><td><code>0xf4211E7709D2294Cd10799E41623006dFB0D66aF</code></td></tr><tr><td><a href="https://github.com/cryptoalgebra/AlgebraV1.9/tree/main/src/periphery/contracts/SwapRouter.sol">SwapRouter</a></td><td><code>0xEDB4E3E3bB11255fF14C2762C6A6A28F1D3A36f2</code></td></tr><tr><td><a href="https://github.com/cryptoalgebra/AlgebraV1.9/tree/main/src/periphery/contracts/NonfungiblePositionManager.sol">NonfungiblePositionManager</a></td><td><code>0xc73aD6E7c0AAb95A9668509Dac8d659fe058eD9F</code></td></tr><tr><td><a href="https://github.com/cryptoalgebra/AlgebraV1.9/tree/main/src/tokenomics/contracts/farmings/limitFarming/AlgebraLimitFarming.sol">AlgebraLimitFarming</a></td><td><code>0x4b25b1f86778949c5ACc9998dc5597595Ef7E65D</code></td></tr><tr><td><a href="https://github.com/cryptoalgebra/AlgebraV1.9/tree/main/src/tokenomics/contracts/farmings/eternalFarming/AlgebraEternalFarming.sol">AlgebraEternalFarming</a></td><td><code>0xde032900EF3Fa62C83ec8316e32D9aCfc67EE1dE</code></td></tr><tr><td><a href="https://github.com/cryptoalgebra/AlgebraV1.9/tree/main/src/tokenomics/contracts/FarmingCenter.sol">FarmingCenter</a></td><td><code>0xF0489151116341a873b3bA11A1b6800Acd14aBE1</code></td></tr></tbody></table>