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@mindwallet/protocols

Concrete RouterMethod implementations for each payment protocol.

Methods​

createSiwxMethod​

Zero-cost identity authentication via Sign-In with X (SIWE).

import { createSiwxMethod } from '@mindwallet/protocols';

const siwx = createSiwxMethod();

No configuration required. Works with any WalletAdapter.

createX402Method​

EVM USDC payments via the x402 protocol (EIP-3009 transferWithAuthorization).

import { createX402Method } from '@mindwallet/protocols';
import { privateKeyToAccount } from 'viem/accounts';

const account = privateKeyToAccount('0x...');
const x402 = createX402Method({ account });

Requires a viem Account for EIP-712 typed-data signing.

createTempoMethod​

MPP/Tempo charge and session payment intents.

import { createTempoMethod } from '@mindwallet/protocols';

const tempo = createTempoMethod({
  account,
  rpcUrl: 'https://rpc.testnet.tempo.xyz',  // optional
  gas: 200000n,                               // optional fixed gas limit
  store: state,                               // optional session state
});

Supports both pull mode (local account signs tx) and push mode (account broadcasts tx).