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

_code-samples/escrow/js/create-escrow.js

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+'use strict'
+if (typeof module !== "undefined") {
+  // Use var here because const/let are block-scoped to the if statement.
+  var xrpl = require('xrpl');
+};
+
+const cc = require('five-bells-condition');
+const crypto = require('crypto');
+
+// Useful Documentation:- 
+// 1. five-bells-condition: https://www.npmjs.com/package/five-bells-condition
+// 2. Crypto module: https://nodejs.org/api/crypto.html
+
+// Your account seed value, for testing purposes you can generate using: https://xrpl.org/xrp-test-net-faucet.html
+const seed = "sEd7jfWyNG6J71dEojB3W9YdHp2KCjy";
+
+const main = async () => {
+  try {
+
+    // Construct condition and fulfillment ---------------------------------------
+    const preimageData = crypto.randomBytes(32);
+    const myFulfillment = new cc.PreimageSha256();
+    myFulfillment.setPreimage(preimageData);
+    const conditionHex = myFulfillment.getConditionBinary().toString('hex').toUpperCase();
+
+    console.log('Condition:', conditionHex);
+    console.log('Fulfillment:', myFulfillment.serializeBinary().toString('hex').toUpperCase());
+
+    // 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);
+
+    // Set the escrow finish time --------------------------------------------------
+    let finishAfter = new Date((new Date().getTime() / 1000) + 120); // 2 minutes from now
+    finishAfter = new Date(finishAfter * 1000);
+    console.log("This escrow will finish after: ", finishAfter);
+
+    const escrowCreateTransaction = {
+      "TransactionType": "EscrowCreate",
+      "Account": wallet.address,
+      "Destination": wallet.address,
+      "Amount": "6000000", //drops XRP
+      "DestinationTag": 2023,
+      "Condition": conditionHex,
+      "Fee": "12",
+      "FinishAfter": xrpl.isoTimeToRippleTime(finishAfter.toISOString()), // Refer for more details: https://xrpl.org/basic-data-types.html#specifying-time
+  };
+
+    xrpl.validate(escrowCreateTransaction);
+
+    // Sign and submit the transaction --------------------------------------------
+    console.log('Signing and submitting the transaction:', JSON.stringify(escrowCreateTransaction, null,  "\t"), "\n");
+    const response  = await client.submitAndWait(escrowCreateTransaction, { wallet });
+    console.log(`Sequence number: ${response.result.Sequence}`);
+    console.log(`Finished submitting! ${JSON.stringify(response.result, null, "\t")}`);
+
+    await client.disconnect();
+    
+  } catch (error) {
+    console.log(error);
+  }
+}
+
+main()