示例

1. get-supported-routes          # Discover available routes
2. request-quote                 # Get pricing (chain names, symbols, or IDs all work)
3. prepare-order                 # Build order, auto-sign if key is configured
4. submit-order                  # Submit to order server
5. track-order                   # Monitor: Submitted -> Open -> Signed -> Delivered -> Settled

1. register-solver               # Register wallet for reputation tracking
2. submit-standing-quotes        # Publish pricing for routes
3. get-quote-inventory           # Audit your published quotes
4. check-route-health            # Diagnose why orders aren't being filled
5. debug-order                   # Inspect a specific order's full lifecycle

0x00fC00edbe7C003b006f870068c548940000223e

import { createWalletClient, http, parseAbi } from "viem";
import { privateKeyToAccount } from "viem/accounts";
import { mainnet } from "viem/chains"; // or baseSepolia for testnet

const account = privateKeyToAccount("0xYOUR_PRIVATE_KEY");
const client = createWalletClient({ account, chain: mainnet, transport: http("YOUR_RPC_URL") });

const tx = await client.writeContract({
  address: "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2", // token address (e.g. WETH on mainnet)
  abi: parseAbi(["function approve(address spender, uint256 amount) returns (bool)"]),
  functionName: "approve",
  args: [
    "0x00fC00edbe7C003b006f870068c548940000223e", // escrow settler
    BigInt("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"), // max approval
  ],
});

1. request-quote    -> Get pricing (e.g., "0.001 WETH from Ethereum to Base")
2. prepare-order    -> Build + sign the order (auto-signs if SIGNER_PRIVATE_KEY is set locally)
3. submit-order     -> Submit to the LI.FI order server

import { encodeFunctionData, createWalletClient, http, parseAbi } from "viem";
import { privateKeyToAccount } from "viem/accounts";
import { mainnet } from "viem/chains";

const ESCROW_SETTLER = "0x00fC00edbe7C003b006f870068c548940000223e";

// The order object from prepare-order — pass the full encoded order bytes
const tx = await client.sendTransaction({
  to: ESCROW_SETTLER,
  data: encodeFunctionData({
    abi: parseAbi(["function open(bytes calldata order) external"]),
    functionName: "open",
    args: [orderBytes], // the encoded order from prepare-order
  }),
});