Without Intermediaries.

// ERC-6909 Implementation
contract EVMAuthCredits is ERC6909 {
  function batchMint(
    address[] calldata recipients,
    uint256[] calldata ids,
    uint256[] calldata amounts
  ) external {
    for(uint i = 0; i < recipients.length; i++) {
      _mint(recipients[i], ids[i], amounts[i], "");
    }
  }
}

// Create DID for AI Agent
import { EthrDID } from 'ethr-did';

const agent = new EthrDID({
  identifier: '0x...agentAddress',
  provider: bscProvider,
  chainNameOrId: 'bsc'
});

const vcJwt = await agent.signJWT(vcPayload);

// Connext State Channel
import { create } from "@connext/vector-sdk";

const channel = await sdk.setup({
  counterpartyIdentifier: agentAddress,
  chainId: 56, // BSC Mainnet
  timeout: "100000"
});

await sdk.conditionalTransfer({
  amount: "10000000000000000", // 0.01 BNB
  recipient: agentAddress
});

// Chainlink Price Feed on BSC
import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";

contract EVMAuthPriceOracle {
  AggregatorV3Interface internal priceFeed;
  
  constructor() {
    // BNB/USD on BSC Mainnet
    priceFeed = AggregatorV3Interface(
      0x0567F2323251f0Aab15c8dFb1967E4e8A7D42aeE
    );
  }
}

// Express.js API Server
app.post('/api/v1/micropayment', async (req, res) => {
  const { agentId, userId, amount, signature } = req.body;
  
  // Verify signature
  const signer = ethers.verifyMessage(messageHash, signature);
  
  // Store in Redis for batch settlement
  await redis.hincrby(`pending:${userId}`, agentId, amount);
  
  res.json({ success: true });
});

// React Hook for EVMAuth
import { useContractWrite } from 'wagmi';

export function useEVMAuth() {
  const { write: authorizeAgent } = useContractWrite({
    address: '0x...EVMAuthContract',
    abi: EVMAuthABI,
    functionName: 'grantPermission',
  });
  
  return { authorizeAgent };
}

// Hardhat Test Suite
describe("EVMAuth", function () {
  it("Should authorize agent and process payment", async () => {
    await evmauth.grantPermission(agent.address, {
      maxAmount: ethers.parseEther("10"),
      expiresAt: Date.now() + 86400
    });
    
    expect(await evmauth.balanceOf(recipient, 1))
      .to.equal(ethers.parseEther("5"));
  });
});

# AI Agent with EVMAuth
from langchain.agents import Tool
from web3 import Web3

class EVMAuthAgent:
  def execute_micropayment(self, recipient, amount):
    signature = self.account.sign_message(message_hash)
    
    response = requests.post(
      'https://api.evmauth.io/v1/micropayment',
      json={'recipient': recipient, 'amount': amount}
    )
    return response.json()