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Deployments

Contract Deployments

A full list of deployed contracts can be found in the deployments.json file. This contains deployments for all environments and is difficult to parse through manually. You should only need to reference it for automation or as a source of truth. For convenience, we extracted the important contract addresses and listed them here.

Mainnet Contracts

Ethereum

Domain ID: 6648936
Chain ID: 1
Core Contract
Address
​Connext​
0x8898B472C54c31894e3B9bb83cEA802a5d0e63C6
Asset Contract
Address
Flavor
​NEXT​
0xFE67A4450907459c3e1FFf623aA927dD4e28c67a
Canonical
​USDC​
0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48
Canonical
​WETH​
0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
Canonical
​DAI​
0x6B175474E89094C44Da98b954EedeAC495271d0F
Canonical
​USDT​
0xdAC17F958D2ee523a2206206994597C13D831ec7
Canonical
Peripheral Contract
Address
Description
​Unwrapper​
0x268682b7D9992aE7e2ca4A8bCc9D9655FB06056F
WETH Unwrapper

Optimism

Domain ID: 1869640809
Chain ID: 10
Core Contract
Address
​Connext​
0x8f7492DE823025b4CfaAB1D34c58963F2af5DEDA
Asset Contract
Address
Flavor
​NEXT​
0x58b9cB810A68a7f3e1E4f8Cb45D1B9B3c79705E8
Local/Adopted
​nextUSDC​
0x67E51f46e8e14D4E4cab9dF48c59ad8F512486DD
Local
​USDC​
0x7F5c764cBc14f9669B88837ca1490cCa17c31607
Adopted
​nextWETH​
0xbAD5B3c68F855EaEcE68203312Fd88AD3D365e50
Local
​WETH​
0x4200000000000000000000000000000000000006
Adopted
​nextDAI​
0xd64Bd028b560bbFc732eA18f282c64B86F3468e0
Local
​DAI​
0xDA10009cBd5D07dd0CeCc66161FC93D7c9000da1
Adopted
​nextUSDT​
0x4cBB28FA12264cD8E87C62F4E1d9f5955Ce67D20
Local
​USDT​
0x94b008aA00579c1307B0EF2c499aD98a8ce58e58
Adopted
Peripheral Contract
Address
Description
​Unwrapper​
0x7Fe09d217d646a6213e51b237670Bc326188cB93
WETH Unwrapper

Polygon

Domain ID: 1886350457
Chain ID: 137
Core Contract
Address
​Connext​
0x11984dc4465481512eb5b777E44061C158CF2259
Asset Contract
Address
Flavor
​NEXT​
0x58b9cB810A68a7f3e1E4f8Cb45D1B9B3c79705E8
Local/Adopted
​nextUSDC​
0xF96C6d2537e1af1a9503852eB2A4AF264272a5B6
Local
​USDC​
0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174
Adopted
​nextWETH​
0x4b8BaC8Dd1CAA52E32C07755c17eFadeD6A0bbD0
Local
​WETH​
0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619
Adopted
​nextDAI​
0xaDCe87b14d570665222C1172D18a221BF7690d5a
Local
​DAI​
0x8f3Cf7ad23Cd3CaDbD9735AFf958023239c6A063
Adopted
​nextUSDT​
0xE221C5A2a8348f12dcb2b0e88693522EbAD2690f
Local
​USDT​
0xc2132D05D31c914a87C6611C10748AEb04B58e8F
Adopted
Peripheral Contract
Address
Description
​Unwrapper​
0x7E8F8B2dA3dc5Ad9c9Dfd1A832331A039d4f3f74
WETH Unwrapper

Arbitrum One

Domain ID: 1634886255
Chain ID: 42161
Core Contract
Address
​Connext​
0xEE9deC2712cCE65174B561151701Bf54b99C24C8
Asset Contract
Address
Flavor
​NEXT​
0x58b9cB810A68a7f3e1E4f8Cb45D1B9B3c79705E8
Local/Adopted
​nextUSDC​
0x8c556cF37faa0eeDAC7aE665f1Bb0FbD4b2eae36
Local
​USDC​
0xFF970A61A04b1cA14834A43f5dE4533eBDDB5CC8
Adopted
​nextWETH​
0x2983bf5c334743Aa6657AD70A55041d720d225dB
Local
​WETH​
0x82aF49447D8a07e3bd95BD0d56f35241523fBab1
Adopted
​nextDAI​
0xfDe99b3B3fbB69553D7DaE105EF34Ba4FE971190
Local
​DAI​
0xDA10009cBd5D07dd0CeCc66161FC93D7c9000da1
Adopted
​nextUSDT​
0x2fD7E61033b3904c65AA9A9B83DCd344Fa19Ffd2
Local
​USDT​
0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9
Adopted
Peripheral Contract
Address
Description
​Unwrapper​
0x429b9eb01362b2799131EfCC44319689b662999D
WETH Unwrapper

Binance Smart Chain

Domain ID: 6450786
Chain ID: 56
Core Contract
Address
​Connext​
0xCd401c10afa37d641d2F594852DA94C700e4F2CE
Asset Contract
Address
Flavor
​NEXT​
0x58b9cB810A68a7f3e1E4f8Cb45D1B9B3c79705E8
Local/Adopted
​nextUSDC​
0x5e7D83dA751F4C9694b13aF351B30aC108f32C38
Local
​USDC​
0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d
Adopted
​nextWETH​
0xA9CB51C666D2AF451d87442Be50747B31BB7d805
Local
​WETH​
0x2170Ed0880ac9A755fd29B2688956BD959F933F8
Adopted
​nextDAI​
0x86a343BCF17D79C475d300eed35F0145F137D0c9
Local
​DAI​
0x1AF3F329e8BE154074D8769D1FFa4eE058B1DBc3
Adopted
​nextUSDT​
0xD609f26B5547d5E31562B29150769Cb7c774B97a
Local
​USDT​
0x55d398326f99059fF775485246999027B3197955
Adopted
Peripheral Contract
Address
Description
​Unwrapper​
0x2c7B8c1a13F2a7854B9299E4d22809A8B1E05De5
WETH Unwrapper

Gnosis

Domain ID: 6778479
Chain ID: 100
Core Contract
Address
​Connext​
0x5bB83e95f63217CDa6aE3D181BA580Ef377D2109
Asset Contract
Address
Flavor
​NEXT​
0x58b9cB810A68a7f3e1E4f8Cb45D1B9B3c79705E8
Local/Adopted
​nextUSDC​
0x44CF74238d840a5fEBB0eAa089D05b763B73faB8
Local
​USDC​
0xDDAfbb505ad214D7b80b1f830fcCc89B60fb7A83
Adopted
​nextWETH​
0x538E2dDbfDf476D24cCb1477A518A82C9EA81326
Local
​WETH​
0x6A023CCd1ff6F2045C3309768eAd9E68F978f6e1
Adopted
​nextDAI​
0x0e1D5Bcd2Ac5CF2f71841A9667afC1E995CaAf4F
Local
​DAI​
0xe91D153E0b41518A2Ce8Dd3D7944Fa863463a97d
Adopted
​nextUSDT​
0xF4d944883D6FddC56d3534986feF82105CaDbfA1
Local
​USDT​
0x4ECaBa5870353805a9F068101A40E0f32ed605C6
Adopted
Peripheral Contract
Address
Description
​Unwrapper​
0x642c27a96dFFB6f21443A89b789a3194Ff8399fa
WETH Unwrapper

Testnet Contracts

Note that the Test Token is a mintable ERC20. The open mint function has the signature mint(address account, uint256 amount) and can be freely called.

Goerli

Domain ID: 1735353714
Chain ID: 5
Core Contract
Address
​Connext​
0xFCa08024A6D4bCc87275b1E4A1E22B71fAD7f649
Asset Contract
Address
Flavor
​TEST​
0x7ea6eA49B0b0Ae9c5db7907d139D9Cd3439862a1
Canonical
​WETH​
0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6
Canonical
Peripheral Contract
Address
Description
​Unwrapper​
0xa6633d369A9C4C8A442ef104E8e293DA7b352Acd
WETH Unwrapper

Optimism-Goerli

Domain ID: 1735356532
Chain ID: 420
Core Contract
Address
​Connext​
0x5Ea1bb242326044699C3d81341c5f535d5Af1504
Asset Contract
Address
Flavor
​TEST​
0x68Db1c8d85C09d546097C65ec7DCBFF4D6497CbF
Local/Adopted
​nextWETH​
0x39B061B7e41DE8B721f9aEcEB6b3f17ECB7ba63E
Local
​WETH​
0x74c6FD7D2Bc6a8F0Ebd7D78321A95471b8C2B806
Adopted
Peripheral Contract
Address
Description
​Unwrapper​
0x08bDeFD0e4878A814Cb2fd11C033F3947251689f
WETH Unwrapper

Mumbai

Domain ID: 9991
Chain ID: 80001
Core Contract
Address
​Connext​
0x2334937846Ab2A3FCE747b32587e1A1A2f6EEC5a
Asset Contract
Address
Flavor
​TEST​
0xeDb95D8037f769B72AAab41deeC92903A98C9E16
Local/Adopted
​nextWETH​
0x1E5341E4b7ed5D0680d9066aac0396F0b1bD1E69
Local
​WETH​
0xFD2AB41e083c75085807c4A65C0A14FDD93d55A9
Adopted
Peripheral Contract
Address
Description
​Unwrapper​
0x1e0Db00EB08ceC7FFdA03c0Dbf224193E1563844
WETH Unwrapper

Arbitrum-Goerli

Domain ID: 1734439522
Chain ID: 421613
Core Contract
Address
​Connext​
0x2075c9E31f973bb53CAE5BAC36a8eeB4B082ADC2
Asset Contract
Address
Flavor
​TEST​
0xDC805eAaaBd6F68904cA706C221c72F8a8a68F9f
Local/Adopted
​WETH​
0x1346786E6A5e07b90184a1Ba58E55444b99DC4A2
Local/Adopted
Peripheral Contract
Address
Description
​Unwrapper​
0x18BBF96BC8014aA93cbf1A5Bce005a485b5C2C4a
WETH Unwrapper

zkSync Era Testnet

Domain ID: 2053862260
Chain ID: 280
Core Contract
Address
​Connext​
0xB0694fEcEdd88e5590A563aDb5f194d2dE30F0b6
Asset Contract
Address
Flavor
​TEST​
0x7C1412e456ad60B8ee458c4eb3A9852C3e389353
Local/Adopted
Peripheral Contract
Address
Description
Unwrapper
TBD
TBD

Linea Testnet

Domain ID: 1668247156
Chain ID: 59140
Core Contract
Address
​Connext​
0xfdb6B853C1945Dbffe78A3091BeBB9A928234fA3
Asset Contract
Address
Flavor
​TEST​
0xB706319D37b945727E71ae0d4353699d19112576
Local/Adopted
Peripheral Contract
Address
Description
Unwrapper
TBD
TBD

Polygon zkEVM Testnet

Domain ID: 1887071092
Chain ID: 1442
Core Contract
Address
​Connext​
0x20b4789065DE09c71848b9A4FcAABB2c10006FA2
Asset Contract
Address
Flavor
​TEST​
0x5f921E4DE609472632CEFc72a3846eCcfbed4ed8
Local/Adopted
Peripheral Contract
Address
Description
Unwrapper
TBD
TBD

Offchain Agents

Sequencer

Example endpoints can be found here. For instance, you can check for queued transactions:

Cartographer

The Cartographer is a Connext-hosted service that stores transfer data to a persistent datastore. The data schema is bespoke for Connext cross-chain transfers and a REST API is available for retrieving details like transfer status, transfer history by user, and more.
Example endpoints can be found here. For instance, you can query for all transfers:

User Interfaces

Bridge UI

A bridge UI where users can transfer assets across domains. Here you can also mint TEST tokens with the faucet.

Connextscan

This is the testnet scanner site where you can track the status of transfers by transferId.