Elrond: add wipe NFT (#121)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tatumio/tatum",
-  "version": "1.21.5",
+  "version": "1.21.6",
   "description": "Tatum API client allows browsers and Node.js clients to interact with Tatum API.",
   "main": "dist/src/index.js",
   "repository": "https://github.com/tatumio/tatum-js",

src/model/request/egld/EsdtToken.ts

@@ -22,6 +22,7 @@ export enum EgldServiceType {
   ESDTNFTAddQuantity = 'ESDTNFTAddQuantity',
   ESDTNFTBurn = 'ESDTNFTBurn',
   freezeSingleNFT = 'freezeSingleNFT',
+  wipeSingleNFT = 'wipeSingleNFT',
   unFreezeSingleNFT = 'unFreezeSingleNFT',
   ESDTNFTTransfer = 'ESDTNFTTransfer',
 }

src/transaction/egld.ts

@@ -852,6 +852,39 @@ export const prepareEgldFreezeNftSignedTransaction = async (body: EgldEsdtTransa
     return await prepareSignedTransactionAbstraction(client, tx, signatureId, fromPrivateKey, { gasLimit, gasPrice: fee?.gasPrice as string } as Fee)
 }
 
+/**
+ * Sign ESDT freeze NFT transaction with private keys locally. Nothing is broadcast to the blockchain.
+ * @param body content of the transaction to broadcast
+ * @param provider url of the EGLD Server to connect to. If not set, default public server will be used.
+ * @returns transaction data to be broadcast to blockchain.
+ */
+ export const prepareEgldWipeNftSignedTransaction = async (body: EgldEsdtTransaction, provider?: string) => {
+  await validateBody(body, EgldEsdtTransaction)
+  const {
+      fromPrivateKey,
+      amount,
+      fee,
+      data,
+      nonce,
+      signatureId,
+  } = body
+
+  const client = getEgldClient(provider)
+
+  const value = amount ? new BigNumber(amount).toNumber() : 0
+  const gasLimit = fee?.gasLimit ? fee.gasLimit : '60000000'
+
+  const tx: TransactionConfig = {
+      from: 0,
+      to: ESDT_SYSTEM_SMART_CONTRACT_ADDRESS,
+      value,
+      nonce,
+      data: await prepareEgldFreezeOrWipeNftData(data),
+  }
+
+  return await prepareSignedTransactionAbstraction(client, tx, signatureId, fromPrivateKey, { gasLimit, gasPrice: fee?.gasPrice as string } as Fee)
+}
+
 /**
  * Sign ESDT transfer NFT transaction with private keys locally. Nothing is broadcast to the blockchain.
  * @param body content of the transaction to broadcast