Re-level non-docs content to top of repo and rename content→docs

_code-samples/escrow/js/cancel-escrow.js

@@ -0,0 +1,54 @@
+'use strict'
+if (typeof module !== "undefined") {
+  // Use var here because const/let are block-scoped to the if statement.
+  var xrpl = require('xrpl')
+}
+
+// Preqrequisites:
+// 1. Create an escrow using the create-escrow.js snippet
+// 2. Replace the OfferSequence with the sequence number of the escrow you created
+// 3. Paste the seed of the account that created the escrow
+// 4. Run the snippet
+
+const seed = "sEd7jfWyNG6J71dEojB3W9YdHp2KCjy";
+const sequenceNumber = null;
+
+const main = async () => {
+  try {
+    // Connect -------------------------------------------------------------------
+    const client = new xrpl.Client('wss://s.altnet.rippletest.net:51233');
+    await client.connect();
+    
+    // Prepare wallet to sign the transaction -------------------------------------
+    const wallet = await xrpl.Wallet.fromSeed(seed);
+    console.log("Wallet Address: ", wallet.address);
+    console.log("Seed: ", seed);
+
+    // Construct the escrow cancel transaction ------------------------------------
+
+    if(!sequenceNumber){
+        throw new Error("Please specify the sequence number of the escrow you created");
+    };
+
+    const escrowCancelTransaction = {
+      "Account": wallet.address,
+      "TransactionType": "EscrowCancel",
+      "Owner": wallet.address,
+      "OfferSequence": sequenceNumber, // Sequence number
+    };
+
+    xrpl.validate(escrowCancelTransaction);
+
+    // Sign and submit the transaction --------------------------------------------
+    console.log('Signing and submitting the transaction: ', JSON.stringify(escrowCancelTransaction, null,  "\t"));
+    const response  = await client.submitAndWait(escrowCancelTransaction, { wallet });
+    console.log(`Finished submitting! \n${JSON.stringify(response.result, null, "\t")}`);
+
+    await client.disconnect();
+    
+  } catch (error) {
+    console.log(error);
+  }
+}
+
+main()