From 748f71da3f395611b7cf06e65e456e7144805614 Mon Sep 17 00:00:00 2001
From: Bot <bot@example.com>
Date: Mon, 31 Aug 2026 02:52:16 +0800
Subject: [PATCH] chore(scripts): add real on-chain trade verification script
 (approve -> mint -> redeem)

---
 scripts/real_trade_test.js | 97 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 scripts/real_trade_test.js

diff --git a/scripts/real_trade_test.js b/scripts/real_trade_test.js
new file mode 100644
index 0000000..6ccfaf7
--- /dev/null
+++ b/scripts/real_trade_test.js
@@ -0,0 +1,97 @@
+// 真实链上交易验证：授权 -> 买入 OT -> 卖出 OT
+// 用法: npx hardhat run scripts/real_trade_test.js --network robinhoodTestnet
+const hre = require("hardhat");
+const { ethers } = hre;
+
+const MARKET = "0x048E9a90C25ba2c4410425D282b19A472e076039";
+const CURVE = "0xF0E189974c413506098AFB6Bc6Bf4C6715fBf7B1";
+const COLLATERAL = "0xe776e957953EA69b7Eaa9d7d4098aBC076bDD5E7";
+
+const marketAbi = [
+  "function mintCollateralToExactOt(address receiver, uint256 tokenId, uint256 otDeltaOut, bytes dataSwap) returns (uint256 collateralIn)",
+  "function redeemExactOtToCollateral(address receiver, uint256 tokenId, uint256 otDeltaIn, bytes dataSwap) returns (uint256 collateralOut)",
+  "function balanceOf(address owner, uint256 id) view returns (uint256)",
+  "function readMarketState() view returns (tuple(address market, address curve, uint128 timestampStart, uint256 totalMarketCap, address treasury, uint256 numOutcomes, uint128 timestampEnd, uint256 answer, bool isFinalised))",
+];
+const curveAbi = [
+  "function calMarginalPrice(address market, uint256 tokenId) view returns (uint256)",
+  "function calMintCostByOtDelta(address market, uint256 tokenId, uint256 otDelta, bytes data) view returns (uint256 collateralFromUser, uint256 collateralToTreasury)",
+  "function calRedeemValueByOtDelta(address market, uint256 tokenId, uint256 otDelta, bytes data) view returns (uint256 collateralToUser, uint256 collateralToTreasury)",
+];
+const erc20Abi = [
+  "function balanceOf(address) view returns (uint256)",
+  "function allowance(address owner, address spender) view returns (uint256)",
+  "function approve(address spender, uint256 amount) returns (bool)",
+  "function mint(address to, uint256 amount) external",
+];
+
+const OT = 1000n * 10n ** 18n; // 买 1000 OT
+const OUTCOME = 1; // tokenId = 1 << 0 = 1 (YES)
+
+async function main() {
+  const provider = hre.ethers.provider;
+  const [signer] = await hre.ethers.getSigners();
+  console.log("Signer:", signer.address);
+  console.log("Block:", await provider.getBlockNumber());
+
+  const market = new hre.ethers.Contract(MARKET, marketAbi, signer);
+  const curve = new hre.ethers.Contract(CURVE, curveAbi, provider);
+  const wusd = new hre.ethers.Contract(COLLATERAL, erc20Abi, signer);
+
+  // 1) 水龙头: 余额不足则 mint 100_000 WUSD
+  const bal = await wusd.balanceOf(signer.address);
+  console.log("WUSD balance:", ethers.formatEther(bal));
+  if (bal < ethers.parseEther("10000")) {
+    console.log("> minting 100000 WUSD...");
+    const tx = await wusd.mint(signer.address, ethers.parseEther("100000"));
+    await tx.wait();
+    console.log("  minted, tx:", tx.hash);
+  }
+
+  // 2) 授权
+  const allowance = await wusd.allowance(signer.address, MARKET);
+  console.log("allowance -> market:", ethers.formatEther(allowance));
+  if (allowance < ethers.parseEther("100000")) {
+    console.log("> approve MaxUint256 to market...");
+    const tx = await wusd.approve(MARKET, ethers.MaxUint256);
+    await tx.wait();
+    console.log("  approved, tx:", tx.hash);
+  }
+
+  // 3) 价格与成本
+  const price = await curve.calMarginalPrice(MARKET, OUTCOME);
+  console.log("marginalPrice:", ethers.formatEther(price), "WUSD/OT");
+  const [cost, treasury] = await curve.calMintCostByOtDelta(MARKET, OUTCOME, OT, "0x");
+  console.log("cost for 1000 OT:", ethers.formatEther(cost), "+ treasury fee", ethers.formatEther(treasury));
+
+  // 4) 真实买入
+  console.log("> mintCollateralToExactOt(1000 OT, tokenId=1)...");
+  try {
+    const tx = await market.mintCollateralToExactOt(signer.address, OUTCOME, OT, "0x", { gasLimit: 2000000 });
+    const receipt = await tx.wait();
+    console.log("  BUY SUCCESS tx:", tx.hash, "status:", receipt.status);
+    console.log("  gasUsed:", receipt.gasUsed.toString());
+  } catch (e) {
+    console.log("  BUY FAILED:", e.shortMessage || e.message);
+    process.exitCode = 1;
+    return;
+  }
+
+  // 5) 检查 OT 余额并真实卖出
+  const otBal = await market.balanceOf(signer.address, OUTCOME);
+  console.log("OT balance:", ethers.formatEther(otBal));
+  console.log("> redeemExactOtToCollateral(1000 OT)...");
+  try {
+    const tx = await market.redeemExactOtToCollateral(signer.address, OUTCOME, OT, "0x", { gasLimit: 2000000 });
+    const receipt = await tx.wait();
+    console.log("  SELL SUCCESS tx:", tx.hash, "status:", receipt.status);
+  } catch (e) {
+    console.log("  SELL FAILED:", e.shortMessage || e.message);
+    process.exitCode = 1;
+  }
+}
+
+main().catch((e) => {
+  console.error(e);
+  process.exitCode = 1;
+});