Dockerfile

@@ -15,6 +15,9 @@ RUN curl -LO https://git.vdb.to/cerc-io/stack-orchestrator/releases/download/lat
       chmod +x ./laconic-so && \
       mv ./laconic-so /usr/bin/laconic-so
 
+# for testing, put so in the root of this repo prior to running `build-containers`
+#COPY laconic-so /usr/bin/laconic-so
+
 # laconic-registry-cli
 RUN npm config set @cerc-io:registry https://git.vdb.to/api/packages/cerc-io/npm/ && \
       npm install -g @cerc-io/laconic-registry-cli && \

README.md

@@ -1,7 +1,7 @@
 # webapp-deployment-status-api
 
 This API provides status information about webapp deployment requests and a mechanism for upload encrypted configuration
-files used by those requests.
+files used by those requests. It supports payments in both Laconic testnet (alnt) and Cosmos mainnet (ATOM).
 
 ## Build and Run
 
@@ -11,6 +11,22 @@ yarn build
 yarn start
 ```
 
+## API Endpoints
+
+### Status Endpoints
+- `GET /` - Get status of all deployment requests
+- `GET /:id` - Get status of a specific deployment request
+- `GET /:id/log` - Get logs for a specific deployment request
+- `GET /log/:id` - Get logs for a specific deployment request (deprecated)
+
+### Configuration Upload
+- `POST /upload/config` - Upload encrypted configuration file
+
+### ATOM Payment Verification
+- `POST /verify/atom-payment` - Verify a Cosmos ATOM payment transaction
+  - Request body: `{ "txHash": "string", "minAmount": number (optional), "markAsUsed": boolean (optional) }`
+  - Response: `{ "valid": boolean, "reason": string (if invalid), "amount": number (if valid), "sender": string (if valid), "alreadyUsed": boolean (if transaction was already used) }`
+
 ## Configuration
 
 ### Keys
@@ -44,6 +60,8 @@ record:
   minimumPayment: 100alnt
   paymentAddress: laconic1clpc8smrhx5k25zmk3vwna8kddxrsem7a1jlry
   publicKey: mQGNBGbJUk0BDAC3j3CiaVtoEf1jrgtsjJnTA5u1a3BExP72mv0eE8y84TgY5rVcf ...
+  atomPaymentAddress: cosmos1clpc8smrhx5k25zmk3vwna8kddxrsem7a1jlry
+  minimumAtomPayment: 1
 ```
 
 This record can most easily be created using `laconic-so publish-deployer-to-registry`.
@@ -54,7 +72,9 @@ laconic-so publish-deployer-to-registry \
   --api-url https://webapp-deployer-api.my.domain.com
   --public-key-file webapp-deployer-api.my.domain.com.pgp.pub \
   --lrn lrn://laconic/deployers/webapp-deployer-api.my.domain.com  \
-  --min-required-payment 100
+  --min-required-payment 100 \
+  --atom-payment-address cosmos1clpc8smrhx5k25zmk3vwna8kddxrsem7a1jlry \
+  --min-atom-payment 1
 ```
 
 This will create the record in the proper format and assign its LRN.
@@ -83,11 +103,13 @@ Users can now request deployment using the LRN of the deployer.  This will allow
 
 1. Discover the API URL for config uploads.
 1. Obtain the public key for encrypting config.
-1. See the minimum required payment.
+1. See the minimum required payment (both alnt and ATOM if configured).
 
 The request can be made using `laconic-so request-webapp-deployment`. This will handle encrypting and uploading the
 config automatically, as well as making a payment (if necessary).
 
+Payment can be made using either Laconic testnet (alnt) or Cosmos mainnet (ATOM). For Cosmos ATOM payments, you'll need to make the payment separately and provide the transaction hash.
+
 ```bash
 laconic-so request-webapp-deployment \
   --laconic-config ~/.laconic/registry.yml \
@@ -95,6 +117,13 @@ laconic-so request-webapp-deployment \
   --app lrn://cerc-io/applications/webapp-hello-world@0.1.3 \
   --env-file hello.env \
   --make-payment auto
+# OR for Cosmos ATOM payment
+laconic-so request-webapp-deployment \
+  --laconic-config ~/.laconic/registry.yml \
+  --deployer lrn://laconic/deployers/webapp-deployer-api.my.domain.com \
+  --app lrn://cerc-io/applications/webapp-hello-world@0.1.3 \
+  --env-file hello.env \
+  --use-payment <your_cosmos_transaction_hash>
 ```
 
 Alternatively, users can also use a deployment auction they created instead of making the payment to any specific deployer directly:
@@ -135,6 +164,11 @@ LACONIC_CONFIG="/etc/config/registry.yml"
 LRN=lrn://laconic/deployers/webapp-deployer-api.my.domain.com
 CHECK_INTERVAL=15
 
+# Cosmos ATOM payment configuration
+ATOM_PAYMENT_ADDRESS="cosmos1clpc8smrhx5k25zmk3vwna8kddxrsem7a1jlry"
+MIN_ATOM_PAYMENT=1
+COSMOS_RPC_ENDPOINT="https://cosmos-rpc.example.com"
+
 AUCTION_CHECK_INTERVAL=10
 HANDLE_AUCTION_REQUESTS=true
 AUCTION_BID_AMOUNT=50000

package.json

@@ -36,8 +36,9 @@
   "author": "Jakub Synowiec <jsynowiec@users.noreply.github.com>",
   "license": "Apache-2.0",
   "dependencies": {
-    "@cerc-io/laconic-sdk": "^0.1.15",
+    "@cerc-io/registry-sdk": "^0.2.11",
     "@openpgp/web-stream-tools": "^0.1.3",
+    "axios": "^1.6.7",
     "body-parser": "^1.20.2",
     "express": "^4.18.2",
     "express-async-handler": "^1.2.0",

src/atomPayments.ts

@@ -0,0 +1,178 @@
+import axios from 'axios';
+import { Config } from './config.js';
+
+// Store verified transaction hashes to prevent double-spending
+const verifiedTransactions = new Map<string, {
+  timestamp: number,
+  amount: number,
+  sender: string,
+  used: boolean
+}>();
+
+// Periodically clean up old verified transactions (older than 24 hours)
+setInterval(() => {
+  const now = Date.now();
+  for (const [hash, data] of verifiedTransactions.entries()) {
+    if (now - data.timestamp > 24 * 60 * 60 * 1000) {
+      verifiedTransactions.delete(hash);
+    }
+  }
+}, 60 * 60 * 1000); // Clean up every hour
+
+/**
+ * Verifies a Cosmos ATOM payment transaction
+ * @param txHash The transaction hash to verify
+ * @param requiredAmount The minimum required amount of ATOM
+ * @param markAsUsed Set to true to mark this transaction as used (preventing double-spending)
+ * @returns An object with verification result and details
+ */
+export async function verifyAtomPayment(
+  txHash: string, 
+  requiredAmount = Config.MIN_ATOM_PAYMENT,
+  markAsUsed = false,
+  timeWindowMinutes = 5
+): Promise<{ 
+  valid: boolean, 
+  reason?: string,
+  amount?: string,
+  sender?: string,
+  alreadyUsed?: boolean
+}> {
+  if (!Config.ATOM_PAYMENT_ADDRESS) {
+    return { 
+      valid: false, 
+      reason: 'ATOM_PAYMENT_ADDRESS not configured'
+    };
+  }
+  
+  if (!Config.COSMOS_RPC_ENDPOINT) {
+    return { 
+      valid: false, 
+      reason: 'COSMOS_RPC_ENDPOINT not configured'
+    };
+  }
+
+  // Check if we've already verified this transaction
+  if (verifiedTransactions.has(txHash)) {
+    const txData = verifiedTransactions.get(txHash);
+    
+    // If the transaction is marked as used and we're not just checking
+    if (txData.used && !markAsUsed) {
+      return {
+        valid: false,
+        reason: 'Transaction has already been used for a deployment',
+        alreadyUsed: true
+      };
+    }
+    
+    // If we're marking as used
+    if (markAsUsed) {
+      txData.used = true;
+    }
+    
+    // Return cached verification result
+    return {
+      valid: true,
+      amount: `${txData.amount}uatom`,
+      sender: txData.sender,
+      alreadyUsed: txData.used
+    };
+  }
+
+  try {
+    // Fetch transaction from the Cosmos RPC endpoint
+    const response = await axios.get(
+      `${Config.COSMOS_RPC_ENDPOINT}/cosmos/tx/v1beta1/txs/${txHash}`
+    );
+
+    if (!response.data || !response.data.tx || !response.data.tx_response) {
+      return { 
+        valid: false, 
+        reason: 'Invalid transaction data from RPC endpoint'
+      };
+    }
+
+    // Check if transaction was successful
+    const txResponse = response.data.tx_response;
+    if (txResponse.code !== 0) {
+      return { 
+        valid: false, 
+        reason: `Transaction failed with code ${txResponse.code}: ${txResponse.raw_log}`
+      };
+    }
+
+    // Check transaction timestamp (5-minute window)
+    const txTimestamp = new Date(txResponse.timestamp);
+    const now = new Date();
+    const timeDiffMs = now.getTime() - txTimestamp.getTime();
+    const timeWindowMs = timeWindowMinutes * 60 * 1000;
+    
+    if (timeDiffMs > timeWindowMs) {
+      return { 
+        valid: false, 
+        reason: `Transaction is older than ${timeWindowMinutes} minutes (${Math.round(timeDiffMs / 60000)} minutes old)`
+      };
+    }
+
+    // Extract the payment details
+    const tx = response.data.tx;
+    let foundValidPayment = false;
+    let paymentAmountUAtom = '';
+    let sender = '';
+    
+    // Get the sender address from the first signer
+    if (tx.auth_info && tx.auth_info.signer_infos && tx.auth_info.signer_infos.length > 0) {
+      sender = tx.auth_info.signer_infos[0].public_key.address || '';
+    }
+
+    // Find the send message in the transaction
+    for (const msg of tx.body.messages) {
+      if (msg['@type'] === '/cosmos.bank.v1beta1.MsgSend') {
+        if (msg.to_address === Config.ATOM_PAYMENT_ADDRESS) {
+          for (const coin of msg.amount) {
+            if (coin.denom === 'uatom') { 
+              // Get the amount in uatom
+              paymentAmountUAtom = coin.amount;
+              
+              // Extract the required amount as an integer from the format like "10uatom"
+              const requiredAmountUAtom = parseInt(requiredAmount.replace(/[^0-9]/g, ''));
+              
+              if (parseInt(paymentAmountUAtom) >= requiredAmountUAtom) {
+                foundValidPayment = true;
+              }
+              break;
+            }
+          }
+        }
+      }
+    }
+
+    if (!foundValidPayment) {
+      return { 
+        valid: false, 
+        reason: `Payment amount (${paymentAmountUAtom || '0'}uatom) is less than required (${requiredAmount}) or not sent to the correct address`
+      };
+    }
+    
+    // Cache the verification result
+    verifiedTransactions.set(txHash, {
+      timestamp: Date.now(),
+      amount: parseInt(paymentAmountUAtom),
+      sender,
+      used: markAsUsed
+    });
+
+    return {
+      valid: true,
+      amount: `${paymentAmountUAtom}uatom`,
+      sender,
+      alreadyUsed: markAsUsed
+    };
+  } catch (error) {
+    console.error('Error verifying ATOM payment:', error);
+    return { 
+      valid: false, 
+      reason: `Failed to verify transaction: ${error.message || 'Unknown error'}`
+    };
+  }
+}

src/config.ts

@@ -1,7 +1,7 @@
 import yaml from 'js-yaml';
 import fs from 'fs';
 import path from 'path';
-import {Registry} from '@cerc-io/laconic-sdk';
+import {Registry} from '@cerc-io/registry-sdk';
 
 const loadConfigFile = (configFilePath: string): any => {
   const resolvedFilePath = path.resolve(process.cwd(), configFilePath);
@@ -22,6 +22,10 @@ export const Config = {
   UPLOAD_MAX_SIZE: process.env.BUILD_LOGS || '1MB',
   OPENPGP_PASSPHRASE: process.env.OPENPGP_PASSPHRASE,
   OPENPGP_PRIVATE_KEY_FILE: process.env.OPENPGP_PRIVATE_KEY_FILE,
+  // Cosmos ATOM payment configuration
+  ATOM_PAYMENT_ADDRESS: process.env.ATOM_PAYMENT_ADDRESS || '',
+  MIN_ATOM_PAYMENT: process.env.MIN_ATOM_PAYMENT || '1000000uatom',
+  COSMOS_RPC_ENDPOINT: process.env.COSMOS_RPC_ENDPOINT || '',
 };
 
 export const getRegistry = (): Registry => {

src/deployments.ts

@@ -1,5 +1,5 @@
 import {getRegistry} from './config.js';
-import {Registry} from '@cerc-io/laconic-sdk';
+import {Registry} from '@cerc-io/registry-sdk';
 
 import stringify from 'json-stable-stringify';
 import {createHash} from 'crypto';
@@ -25,10 +25,12 @@ export class RequestStatus {
   public url?: string;
   public deployment?: string;
   public lastUpdate?: string;
+  public atomPaymentVerified?: boolean;
 
   constructor(public id: string, public createTime: string,) {
     this.lastState = 'SUBMITTED';
     this.lastUpdate = this.createTime;
+    this.atomPaymentVerified = false;
   }
 }
 
@@ -70,14 +72,18 @@ export class RegHelper {
     } else {
       const records = await this.registry.getRecordsByIds([id]);
       for (const r of records) {
-        this.cache.set(r.id, r);
-        if (Array.isArray(r.names)) {
-          for (const n of r.names) {
-            this.cache.set(n, r);
+        // Check if record is not null before accessing its properties
+        if (r && r.id) {
+          this.cache.set(r.id, r);
+          if (Array.isArray(r.names)) {
+            for (const n of r.names) {
+              this.cache.set(n, r);
+            }
           }
         }
       }
-      return records[0];
+      // Return the first non-null record, or null if none found
+      return records.find(r => r !== null) || null;
     }
   }
 
@@ -107,12 +113,18 @@ export class RegHelper {
     return [...records];
   }
 
+  // ATOM payment verification moved to background payment processor
+  // This method is no longer used to avoid blocking the status API
+
   async deploymentRequestStatus(requestId?: string) {
     const requests: any[] = [];
     const deployments: any[] = [];
     const removalRequests = await this.queryRecords({
       type: 'ApplicationDeploymentRemovalRequest',
     });
+    
+    // WebappDeployer records no longer needed for status display
+    // Payment verification is handled by background processor
 
     if (requestId) {
       const request = await this.getRecordById(requestId);
@@ -136,11 +148,13 @@ export class RegHelper {
 
     const deploymentsByRequest = new Map<string, any>();
     for (const d of deployments) {
-      deploymentsByRequest.set(d.attributes.request, d);
+      if (d && d.attributes?.request) {
+        deploymentsByRequest.set(d.attributes.request, d);
+      }
     }
     const removalsByRequest = new Map<string, any>();
     for (const rr of removalRequests) {
-      if (rr.attributes.request) {
+      if (rr && rr.attributes?.request) {
         removalsByRequest.set(rr.attributes.request, rr);
       }
     }
@@ -149,9 +163,21 @@ export class RegHelper {
 
     const ret = [];
     for (const r of requests) {
+      // Skip null or invalid requests
+      if (!r || !r.id || !r.createTime) {
+        console.warn('Skipping invalid request:', r);
+        continue;
+      }
+
       const status = new RequestStatus(r.id, r.createTime);
       ret.push(status);
 
+      // Skip if application attribute is missing
+      if (!r.attributes?.application) {
+        status.lastState = 'ERROR';
+        continue;
+      }
+
       const app = await this.getRecord(r.attributes.application);
       if (!app) {
         status.lastState = 'ERROR';
@@ -160,6 +186,13 @@ export class RegHelper {
 
       status.app = r.attributes.application;
       const hostname = r.attributes.dns ?? generateHostnameForApp(app);
+      
+      // Payment verification is now handled by the background payment processor
+      // No longer blocking the status API with external verification calls
+      if (r.attributes.payment) {
+        // Just indicate that there is a payment hash, actual verification is done in background
+        status.atomPaymentVerified = false; // Will be updated by payment processor if needed
+      }
 
       if (deploymentsByRequest.has(r.id)) {
         const deployment = deploymentsByRequest.get(r.id);

src/main.ts

@@ -5,7 +5,9 @@ import {existsSync, readdirSync, readFileSync} from 'fs';
 import {Config} from './config.js';
 
 import {RegHelper} from './deployments.js';
-import { Uploader } from './upload.js';
+import {Uploader} from './upload.js';
+import {verifyAtomPayment} from './atomPayments.js';
+import {PaymentProcessor} from './paymentProcessor.js';
 
 const app = express();
 app.use(express.json());
@@ -112,6 +114,53 @@ app.post('/upload/config', configUploadParser, async (req, res) => {
   }
 });
 
+// API endpoint to verify ATOM payments (with timeout to prevent blocking)
+app.post('/verify/atom-payment', async (req, res) => {
+  try {
+    const { txHash, minAmount, markAsUsed } = req.body;
+    
+    if (!txHash) {
+      return res.status(400).json({ 
+        valid: false, 
+        reason: 'Transaction hash is required' 
+      });
+    }
+    
+    if (!Config.ATOM_PAYMENT_ADDRESS) {
+      return res.status(400).json({ 
+        valid: false, 
+        reason: 'ATOM_PAYMENT_ADDRESS not configured' 
+      });
+    }
+    
+    if (!Config.COSMOS_RPC_ENDPOINT) {
+      return res.status(400).json({ 
+        valid: false, 
+        reason: 'COSMOS_RPC_ENDPOINT not configured' 
+      });
+    }
+    
+    const requiredAmount = minAmount || Config.MIN_ATOM_PAYMENT;
+    
+    // Add timeout to prevent blocking
+    const timeoutPromise = new Promise((_, reject) => 
+      setTimeout(() => reject(new Error('Verification timeout')), 10000)
+    );
+    
+    const verificationPromise = verifyAtomPayment(txHash, requiredAmount, Boolean(markAsUsed), 5);
+    
+    const result = await Promise.race([verificationPromise, timeoutPromise]);
+    
+    res.json(result);
+  } catch (e) {
+    console.error('Error verifying ATOM payment:', e);
+    res.status(500).json({ 
+      valid: false, 
+      reason: `Server error: ${e.message || 'Unknown error'}` 
+    });
+  }
+});
+
 // deprecated
 app.get('/log/:id', async (req, res) => {
   try {
@@ -128,6 +177,11 @@ app.get('/log/:id', async (req, res) => {
   }
 });
 
+// Start the payment processor service
+const paymentProcessor = new PaymentProcessor();
+paymentProcessor.start();
+
 app.listen(Config.LISTEN_PORT, Config.LISTEN_ADDR, () => {
   console.log(`listening on ${Config.LISTEN_ADDR}:${Config.LISTEN_PORT}`);
+  console.log('Payment processor service started');
 });

src/paymentProcessor.ts

@@ -0,0 +1,350 @@
+import { Registry, Account, parseGasAndFees, DEFAULT_GAS_ESTIMATION_MULTIPLIER } from '@cerc-io/registry-sdk';
+import { DeliverTxResponse } from '@cosmjs/stargate';
+import { Config } from './config.js';
+import { verifyAtomPayment } from './atomPayments.js';
+import { RegHelper } from './deployments.js';
+import yaml from 'js-yaml';
+import fs from 'fs';
+
+interface ChainConfig {
+  name: string;
+  rpcUrl: string;
+  chainId: string;
+  minAmount: string;
+  paymentAddress: string;
+}
+
+interface VerificationResult {
+  valid: boolean;
+  reason?: string;
+  amount?: string;
+  sender?: string;
+  chainUsed?: string;
+}
+
+class PaymentProcessor {
+  private regHelper: RegHelper;
+  private processedHashes: Set<string> = new Set();
+  private checkInterval: number = 30000; // 30 seconds
+  private lastProcessedTime: Date = new Date();
+
+  constructor() {
+    this.regHelper = new RegHelper();
+    // Only process requests from the last 10 minutes on startup
+    this.lastProcessedTime = new Date(Date.now() - 10 * 60 * 1000);
+  }
+
+  /**
+   * Start the payment processor service
+   */
+  start(): void {
+    console.log('Payment processor started');
+    this.initializeChains();
+    this.processPayments();
+  }
+
+  /**
+   * Main processing loop
+   */
+  private async processPayments(): Promise<void> {
+    try {
+      await this.processNewRequests();
+    } catch (error) {
+      console.error('Error in payment processing:', error);
+    }
+
+    // Schedule next run
+    setTimeout(() => this.processPayments(), this.checkInterval);
+  }
+
+  /**
+   * Process new ApplicationDeploymentRequest records (only recent ones)
+   */
+  private async processNewRequests(): Promise<void> {
+    try {
+      // Query for all ApplicationDeploymentRequest records
+      const allRequests = await this.regHelper.queryRecords({
+        type: 'ApplicationDeploymentRequest',
+      });
+
+      // Filter to only process recent requests (created after lastProcessedTime)
+      const recentRequests = allRequests.filter(request => {
+        const createTime = new Date(request.createTime);
+        return createTime > this.lastProcessedTime;
+      });
+
+      console.log(`Found ${allRequests.length} total deployment requests, processing ${recentRequests.length} recent ones`);
+
+      for (const request of recentRequests) {
+        await this.processRequest(request);
+      }
+
+      // Update lastProcessedTime to now
+      this.lastProcessedTime = new Date();
+      
+    } catch (error) {
+      console.error('Error querying deployment requests:', error);
+    }
+  }
+
+  /**
+   * Process individual deployment request
+   */
+  private async processRequest(request: any): Promise<void> {
+    const requestId = request.id;
+    const paymentHash = request.attributes.payment;
+
+    // Skip if no payment hash
+    if (!paymentHash) {
+      return;
+    }
+
+    // Skip if already processed
+    if (this.processedHashes.has(paymentHash)) {
+      return;
+    }
+
+    // Skip if request already has a deployment (already successfully processed)
+    const existingDeployments = await this.regHelper.queryRecords({
+      type: 'ApplicationDeploymentRecord',
+      request: requestId
+    });
+    
+    if (existingDeployments.length > 0) {
+      console.log(`Skipping request ${requestId} - already has deployment`);
+      this.processedHashes.add(paymentHash);
+      return;
+    }
+
+    console.log(`Processing request ${requestId} with payment hash ${paymentHash}`);
+
+    try {
+      // First check if this is an LNT payment
+      const lntVerification = await this.verifyLNTPayment(paymentHash, request);
+      if (lntVerification.valid) {
+        console.log(`LNT payment verified for request ${requestId}`);
+        this.processedHashes.add(paymentHash);
+        return;
+      }
+
+      // If LNT verification failed, try ATOM verification
+      const atomVerification = await this.verifyATOMPayment(paymentHash, request);
+      if (atomVerification.valid) {
+        console.log(`ATOM payment verified for request ${requestId}, converting to LNT`);
+        
+        // Send LNT from deployer account to deployer account
+        await this.sendLNTToDeployer(request);
+        
+        this.processedHashes.add(paymentHash);
+        return;
+      }
+
+      // If both failed, log and continue (don't mark as processed to allow retries)
+      console.log(`Payment verification failed for request ${requestId}: LNT: ${lntVerification.reason}, ATOM: ${atomVerification.reason}`);
+      
+    } catch (error) {
+      console.error(`Error processing request ${requestId}:`, error);
+    }
+  }
+
+  /**
+   * Verify LNT payment - delegated to stack-orchestrator
+   * Since stack-orchestrator already handles LNT verification efficiently,
+   * we only need to handle ATOM verification here
+   */
+  private async verifyLNTPayment(_txHash: string, _request: any): Promise<VerificationResult> {
+    try {
+      // LNT verification is handled by stack-orchestrator
+      // We assume if it's not an ATOM payment, stack-orchestrator will handle it
+      return { 
+        valid: false, 
+        reason: 'LNT verification delegated to stack-orchestrator'
+      };
+
+    } catch (error) {
+      return { 
+        valid: false, 
+        reason: `LNT verification error: ${error.message}`
+      };
+    }
+  }
+
+  /**
+   * Verify ATOM payment with 5-minute time window
+   */
+  private async verifyATOMPayment(txHash: string, request: any): Promise<VerificationResult> {
+    try {
+      // Skip if ATOM payment not configured
+      if (!Config.ATOM_PAYMENT_ADDRESS || !Config.COSMOS_RPC_ENDPOINT) {
+        return { 
+          valid: false, 
+          reason: 'ATOM payment verification not configured'
+        };
+      }
+
+      // Get the deployer record to check ATOM payment config
+      const deployer = await this.regHelper.getRecord(request.attributes.deployer);
+      if (!deployer) {
+        return { 
+          valid: false, 
+          reason: 'Deployer record not found'
+        };
+      }
+      const atomPaymentAddress = deployer.attributes.atomPaymentAddress || Config.ATOM_PAYMENT_ADDRESS;
+      const minAtomPayment = deployer.attributes.minimumAtomPayment || Config.MIN_ATOM_PAYMENT;
+
+      if (!atomPaymentAddress) {
+        return { 
+          valid: false, 
+          reason: 'ATOM payment address not configured for this deployer'
+        };
+      }
+
+      // Use existing ATOM verification with 5-minute time window
+      const result = await verifyAtomPayment(txHash, minAtomPayment, false);
+      
+      if (result.valid) {
+        return { 
+          valid: true, 
+          amount: result.amount,
+          sender: result.sender,
+          chainUsed: 'ATOM'
+        };
+      } else {
+        return { 
+          valid: false, 
+          reason: result.reason || 'ATOM payment verification failed'
+        };
+      }
+
+    } catch (error) {
+      return { 
+        valid: false, 
+        reason: `ATOM verification error: ${error.message}`
+      };
+    }
+  }
+
+  /**
+   * Send LNT from deployer account to deployer account to satisfy stack-orchestrator
+   */
+  private async sendLNTToDeployer(request: any): Promise<void> {
+    try {
+      // Get the deployer record
+      const deployer = await this.regHelper.getRecord(request.attributes.deployer);
+      if (!deployer) {
+        throw new Error('Deployer record not found');
+      }
+
+      const paymentAddress = deployer.attributes.paymentAddress;
+      const minPayment = deployer.attributes.minimumPayment || '0alnt';
+      
+      // Extract amount number from string like "100alnt"
+      const amount = minPayment.replace(/[^0-9]/g, '') || '0';
+
+      console.log(`Sending ${minPayment} LNT from deployer to deployer (${paymentAddress}) for request ${request.id}`);
+
+      // Send LNT tokens using proper Registry SDK methods
+      const result = await this.sendLNTTokens(paymentAddress, amount);
+      
+      console.log(`LNT transfer successful: ${result.transactionHash}`);
+
+    } catch (error) {
+      console.error(`Error sending LNT for request ${request.id}:`, error);
+      throw error;
+    }
+  }
+
+  /**
+   * Send LNT tokens using Registry SDK
+   */
+  private async sendLNTTokens(toAddress: string, amount: string): Promise<DeliverTxResponse> {
+    // Load laconic config to get registry details and private key
+    const configData = yaml.load(fs.readFileSync(Config.LACONIC_CONFIG, 'utf8')) as any;
+    const registryConfig = configData.services?.registry;
+    
+    if (!registryConfig) {
+      throw new Error('Registry configuration not found');
+    }
+
+    // Get private key from environment or config
+    const privateKey = process.env.REGISTRY_USER_KEY || registryConfig.privateKey;
+    if (!privateKey) {
+      throw new Error('Registry private key not configured');
+    }
+
+    // Create account
+    const account = new Account(Buffer.from(privateKey, 'hex'));
+    await account.init();
+
+    // Create registry instance  
+    const registry = new Registry(
+      registryConfig.gqlEndpoint,
+      registryConfig.rpcEndpoint,
+      { chainId: registryConfig.chainId }
+    );
+
+    // Get laconic client
+    const laconicClient = await registry.getLaconicClient(account);
+
+    // Calculate fees
+    const fee = registryConfig.gas && registryConfig.fees ? 
+      parseGasAndFees(registryConfig.gas, registryConfig.fees) :
+      DEFAULT_GAS_ESTIMATION_MULTIPLIER;
+
+    // Send tokens from deployer account to deployer account
+    const txResponse: DeliverTxResponse = await laconicClient.sendTokens(
+      account.address,  // from (deployer account)
+      toAddress,        // to (same deployer account)
+      [{
+        denom: 'alnt',  // LNT token denomination
+        amount          // amount as string
+      }],
+      fee
+    );
+
+    return txResponse;
+  }
+
+  /**
+   * Get chain configurations for future extensibility
+   */
+  private getChainConfigs(): ChainConfig[] {
+    const configs: ChainConfig[] = [];
+
+    // ATOM configuration
+    if (Config.ATOM_PAYMENT_ADDRESS && Config.COSMOS_RPC_ENDPOINT) {
+      configs.push({
+        name: 'ATOM',
+        rpcUrl: Config.COSMOS_RPC_ENDPOINT,
+        chainId: 'cosmoshub-4', // Could be made configurable
+        minAmount: Config.MIN_ATOM_PAYMENT,
+        paymentAddress: Config.ATOM_PAYMENT_ADDRESS,
+      });
+    }
+
+    // Future chains can be added here
+    // if (Config.OSMO_PAYMENT_ADDRESS && Config.OSMO_RPC_ENDPOINT) {
+    //   configs.push({
+    //     name: 'OSMO',
+    //     rpcUrl: Config.OSMO_RPC_ENDPOINT,
+    //     chainId: 'osmosis-1',
+    //     minAmount: Config.MIN_OSMO_PAYMENT,
+    //     paymentAddress: Config.OSMO_PAYMENT_ADDRESS,
+    //   });
+    // }
+
+    console.log(`Configured ${configs.length} payment chains`);
+    return configs;
+  }
+
+  /**
+   * Initialize chain configurations on startup
+   */
+  private initializeChains(): void {
+    const configs = this.getChainConfigs();
+    console.log(`Payment processor initialized with ${configs.length} supported chains`);
+  }
+}
+
+export { PaymentProcessor };