Conduit Bundler

Installing the Conduit Bundler

Access Marketplace

In your deployment dashboard, go to the Apps section, and find Conduit Bundler in the one-click installation section.

Install Integration

Click Install Integration on the right side and wait for the Conduit Bundler to complete installation.

General Information

Bundler URL & Supported RPC Methods

Once deployed, your bundler URL will be available at https://bundler-{YOUR_NETWORK_SLUG}.t.conduit.xyz/<APIKEY>. APIKEY might be not present or required depending on the configuration.

Our bundler supports all eth-namespaced RPC methods as specified in ERC-4337 including:

eth_chainId
eth_supportedEntryPoints
eth_estimateUserOperationGas
eth_sendUserOperation
eth_getUserOperationByHash
eth_getUserOperationReceipt

Contracts

Entrypoint

Currently, Entrypoint version 0.7.0 is supported and deployed by default at 0x0000000071727De22E5E9d8BAf0edAc6f37da032 upon installation. Note that Entrypoint 0.6.0 is not supported.

Safe Integration

The following two modules are compatible with Entrypoint 0.7.0 and are deployed with the Conduit bundler integration.

Contract	Address
Safe4337Module (version `0.3.0`)	`0x75cf11467937ce3F2f357CE24ffc3DBF8fD5c226`
SafeModuleSetup (version `0.3.0`)	`0x2dd68b007B46fBe91B9A7c3EDa5A7a1063cB5b47`

For turning your Safe wallet into a 4337-compatible smart account, see the Safe documentation on ERC-4337 .

Other Contracts

Contract	Address
SimpleAccountFactory	`0x0ACDDd4868E24aad6A16573b416133F58795A916`
TestCounter	`0x475d5a5B128c1846b86493b357e75E27201447B7`

Sending UserOperations

The eth_sendUserOperation method instructs the bundler to sign and submit a User Operation, returning its hash. If an error occurs, an error message is returned.


{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_sendUserOperation",
  "params": [
    {
      sender, // address
      nonce, // uint256
      callData, // bytes
      callGasLimit, // uint128
      verificationGasLimit, // uint128
      preVerificationGas, // uint256
      maxFeePerGas, // uint128
      maxPriorityFeePerGas, // uint128
      signature, // bytes
      factory, // address - optional
      factoryData, // bytes - optional
      paymaster, // address - optional
      paymasterVerificationGasLimit, // uint128 - optional
      paymasterPostOpGasLimit, // uint128 - optional
      paymasterData // bytes - optional

    },
    entryPoint // address
  ]
}

Repository

You can find the Conduit Bundler repository here . This repository includes scripts to create a SimpleAccount, fund it, and send a test transaction.