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 |
|---|
| 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 |
|---|
| 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 |
|---|
| 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 |
|---|
| 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 |
|---|
| 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 |
|---|
| 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:
»https://sequencer.testnet.connext.ninja/queuedCartographer
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:
»https://postgrest.testnet.connext.ninja/transfersUser Interfaces
Bridge UI
A bridge UI where users can transfer assets across domains. Here you can also mint TEST tokens with the faucet.
»https://amarok-testnet.coinhippo.ioConnextscan
This is the testnet scanner site where you can track the status of transfers by transferId.
»https://testnet.amarok.connextscan.io