From 5722b9e1c105f03fc29084ff10afc9ada24ca1d7 Mon Sep 17 00:00:00 2001
From: nikhils9 <nikhilshetty447@gmail.com>
Date: Mon, 11 Sep 2023 18:01:20 +0530
Subject: [PATCH] Add script to remove ref tokens from store Add MetaDatum type

---
 off-chain/burn-nft.ts       |  0
 off-chain/common/types.ts   | 10 +++++++
 off-chain/nft-metadata.json |  2 +-
 off-chain/remove-nft.ts     | 53 +++++++++++++++++++++++++++++++++++++
 4 files changed, 64 insertions(+), 1 deletion(-)
 create mode 100644 off-chain/burn-nft.ts
 create mode 100644 off-chain/remove-nft.ts

diff --git a/off-chain/burn-nft.ts b/off-chain/burn-nft.ts
new file mode 100644
index 0000000..e69de29
diff --git a/off-chain/common/types.ts b/off-chain/common/types.ts
index 0da6dd1..c49472e 100644
--- a/off-chain/common/types.ts
+++ b/off-chain/common/types.ts
@@ -1,8 +1,18 @@
 import { Data, Script } from "lucid";
 
+/// Type to store an applied validator and its properties
 export type AppliedValidator = {
   validator: Script;
   policyId: string;
   lockAddress: string;
   params: Data[];
 };
+
+/// Type of datum for tokens adhering to CIP-68
+export const MetaDatum = Data.Object({
+  metadata: Data.Map(Data.Any(), Data.Any()),
+  version: Data.Integer(),
+  extra: Data.Bytes(),
+});
+
+export type MetaDatum = Data.Static<typeof MetaDatum>;
diff --git a/off-chain/nft-metadata.json b/off-chain/nft-metadata.json
index e23963f..1691235 100644
--- a/off-chain/nft-metadata.json
+++ b/off-chain/nft-metadata.json
@@ -18,7 +18,7 @@
         }
     ],
     "image": "ipfs://Qmda82xY8k6BnFZLWAA5TuhwtoWFzmEpaPGugo7DhJzHxZ",
-    "name": "BlockOwls Telly",
+    "name": "BlockOwls Telly2",
     "power": 37,
     "rarity": "Common"
 }
\ No newline at end of file
diff --git a/off-chain/remove-nft.ts b/off-chain/remove-nft.ts
new file mode 100644
index 0000000..b4fa0a4
--- /dev/null
+++ b/off-chain/remove-nft.ts
@@ -0,0 +1,53 @@
+// deno-lint-ignore-file no-explicit-any
+import { Constr, Data, fromHex, fromText, toHex, toUnit, UTxO } from "lucid";
+import { createLucidInstance, getCredential } from "./utils/lucid/utils.ts";
+import { crypto } from "crypto";
+import {
+  APPLIED_VALIDATOR_PATH,
+  NON_FUNGIBLE_TOKEN_LABEL,
+  REFERENCE_TOKEN_LABEL,
+} from "./common/constants.ts";
+import { AppliedValidator, MetaDatum } from "./common/types.ts";
+
+const lucid = await createLucidInstance();
+
+const storeValidator: AppliedValidator = JSON.parse(
+  await Deno.readTextFile(
+    APPLIED_VALIDATOR_PATH + "reference_store.store.json",
+  ),
+);
+const scriptUtxos = await lucid.utxosAt(storeValidator.lockAddress);
+
+lucid.selectWalletFromPrivateKey(await getCredential("issuer.sk"));
+
+const userAddr = await getCredential("user.addr");
+const rdmr = Data.to(new Constr(1, []));
+const utxo = scriptUtxos[0];
+
+const tx = lucid
+  .newTx()
+  .collectFrom(scriptUtxos, rdmr)
+  .payToAddressWithData(userAddr, { inline: utxo.datum! }, utxo.assets);
+
+// scriptUtxos.forEach((utxo) => {
+//   if (utxo.datum) {
+//     tx.payToAddressWithData(userAddr, { inline: utxo.datum }, utxo.assets);
+//     // console.log(utxo.datum);
+//     // console.log(Data.from(utxo.datum));
+//   } else console.log("UTxO without datum found" + utxo);
+// });
+
+const completedTx = await tx.addSigner(await lucid.wallet.address())
+  .attachSpendingValidator(storeValidator.validator)
+  .complete();
+
+const signedTx = await completedTx.sign().complete();
+const txHash = await signedTx.submit();
+await lucid.awaitTx(txHash);
+
+console.log(
+  `Successfully removed all assets from
+storeAddress: ${storeValidator.lockAddress},
+to userAddress: ${userAddr},
+txHash: ${txHash}`,
+);