库存管理

import { ethers } from "ethers";
import { Interface } from "ethers/lib/utils";
import { RelayClient, Transaction } from "@polymarket/builder-relayer-client";

const CTF_ADDRESS = "0x4D97DCd97eC945f40cF65F87097ACe5EA0476045";
const USDCe_ADDRESS = "0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174";

const ctfInterface = new Interface([
  "function splitPosition(address collateralToken, bytes32 parentCollectionId, bytes32 conditionId, uint[] partition, uint amount)",
]);

// Split $1000 USDCe into YES/NO tokens
const amount = ethers.utils.parseUnits("1000", 6); // USDCe has 6 decimals

const splitTx: Transaction = {
  to: CTF_ADDRESS,
  data: ctfInterface.encodeFunctionData("splitPosition", [
    USDCe_ADDRESS, // collateralToken
    ethers.constants.HashZero, // parentCollectionId (always zero for Polymarket)
    conditionId, // conditionId from market
    [1, 2], // partition: [YES, NO]
    amount,
  ]),
  value: "0",
};

const response = await client.execute([splitTx], "Split USDCe into tokens");
const result = await response.wait();
console.log("Split completed:", result?.transactionHash);

const ctfInterface = new Interface([
  "function mergePositions(address collateralToken, bytes32 parentCollectionId, bytes32 conditionId, uint[] partition, uint amount)",
]);

// Merge 500 YES + 500 NO back to 500 USDCe
const amount = ethers.utils.parseUnits("500", 6);

const mergeTx: Transaction = {
  to: CTF_ADDRESS,
  data: ctfInterface.encodeFunctionData("mergePositions", [
    USDCe_ADDRESS,
    ethers.constants.HashZero,
    conditionId,
    [1, 2],
    amount,
  ]),
  value: "0",
};

const response = await client.execute([mergeTx], "Merge tokens to USDCe");
await response.wait();

const market = await clobClient.getMarket(conditionId);
if (market.closed) {
  const winningToken = market.tokens.find((t) => t.winner);
  console.log("Winning outcome:", winningToken?.outcome);
}

const ctfInterface = new Interface([
  "function redeemPositions(address collateralToken, bytes32 parentCollectionId, bytes32 conditionId, uint[] indexSets)",
]);

const redeemTx: Transaction = {
  to: CTF_ADDRESS,
  data: ctfInterface.encodeFunctionData("redeemPositions", [
    USDCe_ADDRESS,
    ethers.constants.HashZero,
    conditionId,
    [1, 2], // Redeem both YES and NO (only winners pay out)
  ]),
  value: "0",
};

const response = await client.execute([redeemTx], "Redeem winning tokens");
await response.wait();