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System Contract Addresses

L2 Contract Addresses

Manta Pacific Mainnet

NameAddress
WETH90x4200000000000000000000000000000000000006
L2CrossDomainMessenger0x4200000000000000000000000000000000000007
L2StandardBridge0x4200000000000000000000000000000000000010
SequencerFeeVault0x4200000000000000000000000000000000000011
OptimismMintableERC20Factory0x4200000000000000000000000000000000000012
GasPriceOracle0x420000000000000000000000000000000000000F
L1Block0x4200000000000000000000000000000000000015
L2ToL1MessagePasser0x4200000000000000000000000000000000000016
L2ERC721Bridge0x4200000000000000000000000000000000000014
OptimismMintableERC721Factory0x4200000000000000000000000000000000000017
ProxyAdmin0x4200000000000000000000000000000000000018
BaseFeeVault0x4200000000000000000000000000000000000019
L1FeeVault0x420000000000000000000000000000000000001a
EAS0x4200000000000000000000000000000000000021
EASSchemaRegistry0x4200000000000000000000000000000000000020
LegacyERC20ETH0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000

Manta Pacific Testnet (Sepolia)

NameAddress
WETH90x4200000000000000000000000000000000000006
L2CrossDomainMessenger0x4200000000000000000000000000000000000007
L2StandardBridge0x4200000000000000000000000000000000000010
SequencerFeeVault0x4200000000000000000000000000000000000011
OptimismMintableERC20Factory0x4200000000000000000000000000000000000012
GasPriceOracle0x420000000000000000000000000000000000000F
L1Block0x4200000000000000000000000000000000000015
L2ToL1MessagePasser0x4200000000000000000000000000000000000016
L2ERC721Bridge0x4200000000000000000000000000000000000014
OptimismMintableERC721Factory0x4200000000000000000000000000000000000017
ProxyAdmin0x4200000000000000000000000000000000000018
BaseFeeVault0x4200000000000000000000000000000000000019
L1FeeVault0x420000000000000000000000000000000000001a
EAS0x4200000000000000000000000000000000000021
EASSchemaRegistry0x4200000000000000000000000000000000000020
LegacyERC20ETH0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000

*L2 contract addresses are the same on both mainnet and testnet.

L1 Contract Addresses

Ethereum Mainnet

NameAddress
AddressManager0x3Ad319BB4872F8cB75a26Ac30CC4bD2d56b67b05
L1CrossDomainMessenger0x635ba609680c55C3bDd0B3627b4c5dB21b13c310
L1ERC721Bridge0xbe896f53bb658c9eecabbdf4a4db85e4b8481c8f
L1StandardBridge0x3B95bC951EE0f553ba487327278cAc44f29715E5
L2OutputOracle0x30c789674ad3B458886BBC9abf42EEe19EA05C1D
OptimismMintableERC20Factory0x2165254f0dd74c19d07ed447b231447604d41e20
OptimismPortal0x9168765EE952de7C6f8fC6FaD5Ec209B960b7622
ProxyAdmin0xa2DCa85BB892De55D8B262d1806114733106e8D1
SystemConfig0x895E00269A05848F3c9889EfA677D02fF7351a5D

Unneeded contract addresses

Certain contracts are mandatory according to the OP Stack SDK, despite not being utilized. For such contracts, you can simply assign the zero address:

  • StateCommitmentChain
  • CanonicalTransactionChain
  • BondManager

Ethereum Testnet (Sepolia)

NameAddress
AddressManager0x0691B7aaAc9B903c9a99B2371bCFB43601B45711
L1CrossDomainMessenger0xFe7cF31c4579bb1C578716e04E1Ae16Ac5549fF0
L1ERC721Bridge0xa547e0ece3be2a9a9e25d7874258576712f9e5f4
L1StandardBridge0xCAD25C95679839996F3162d8657B1CAe4517F78f
L2OutputOracle0x2dd44d1b04170C5623cCc55DD5ed43FAB08b0B46
OptimismMintableERC20Factory0x56c6abba73945be0d3be30176a1ea79ea928f30c
OptimismPortal0x80f86c5d3AE8cF84596FF22DB2829F1b7a9Fe83d
ProxyAdmin0x9f3e00a9eb428d026691aa1a5c8d47b53efbc46b

Manta Pacific Admin Addresses

Manta Pacific Mainnet

Admin RoleAddressType of Key
Sequencer0xA76E31D8471D569EfDd3D95d1b11Ce6710f4533FEOA managed by Manta Technologies
Batch Inbox0xaeba8e2307a22b6824a9a7a39f8b016c357cd1feEOA (with no known private key)
Output Proposer0x853bDfF715eFeDc280C16241dD30A6d651f90aCaEOA managed by Manta Technologies
Proxy Admin Owner (L1)0x3c46C05c2eba8eDd0B0f0C8B1D2fBf9fc53ea01EGnosis Safe
Proxy Admin Owner (L2)0x21D11343cd7c835069F560E2A42A5674DcA7ca47Gnosis Safe
Challenger0x4b1A788B20bb85eb19f8e9B69B8a584e7fA29fe5EOA managed by Manta Technologies
System config owner0x4b1A788B20bb85eb19f8e9B69B8a584e7fA29fe5EOA managed by Manta Technologies
Guardian0x4b1A788B20bb85eb19f8e9B69B8a584e7fA29fe5EOA managed by Manta Technologies

Manta Pacific Testnet (Sepolia)

Admin RoleAddressType of Key
Sequencer0x22d72dB063dd9cE6b96bDE48331E6984c1570F38EOA managed by Manta Technologies
Batch Inbox0x1e59a308bafad671f63ba5d440489f0a84bf0f7cEOA (with no known private key)
Output Proposer0xe9192e1f2554f31ee2c892D35a1e5f7d22179509EOA managed by Manta Technologies
Proxy Admin Owner (L1)0x6A42a60E14EeEE588AD622159971963560D7F570EOA managed by Manta Technologies
Proxy Admin Owner (L2)0x6A42a60E14EeEE588AD622159971963560D7F570EOA managed by Manta Technologies
Challenger0x6A42a60E14EeEE588AD622159971963560D7F570EOA managed by Manta Technologies
System config owner0x6A42a60E14EeEE588AD622159971963560D7F570EOA managed by Manta Technologies
Guardian0x6A42a60E14EeEE588AD622159971963560D7F570EOA managed by Manta Technologies

Tool Contract Addresses

Manta Pacific Mainnet

Multicall3

ContractAddress
Multicall30x00113B8516b915106b99c43D628353Dc43F6deab

OpenSea Seaport

ContractAddress
Seaport0x00000000000000ADc04C56Bf30aC9d3c0aAF14dC

Manta Pacific Testnet (Sepolia)

Multicall3

ContractAddress
Multicall30x30662C5136518da2B47F10209BAED7397b11d2e8