app/data/compose/docker-compose-ponder.yml

@@ -1,15 +1,16 @@
 version: '3.7'
 
 services:
-  ponder-app:
+  ponder-app-indexer:
+    hostname: ponder-app-indexer
     restart: unless-stopped
     image: cerc/ponder:local
     working_dir: /app/examples/token-erc20
     environment:
       CERC_PONDER_CHAIN_ID: ${PONDER_CHAIN_ID:-99}
       CERC_PONDER_RPC_URL_1: ${PONDER_RPC_URL_1:-http://nitro-reverse-payment-proxy:8081}
-      CERC_PONDER_NITRO_PK: ${CERC_PONDER_NITRO_PK:-58368d20ff12f17669c06158c21d885897aa56f9be430edc789614bf9851d53f}
+      CERC_PONDER_NITRO_PK: ${CERC_PONDER_INDEXER_NITRO_PK:-58368d20ff12f17669c06158c21d885897aa56f9be430edc789614bf9851d53f}
-      CERC_PONDER_NITRO_CHAIN_PK: ${CERC_PONDER_NITRO_CHAIN_PK:-fb1e9af328c283ca3e2486e7c24d13582b7912057d8b9542ff41503c85bc05c0}
+      CERC_PONDER_NITRO_CHAIN_PK: ${CERC_PONDER_INDEXER_NITRO_CHAIN_PK:-fb1e9af328c283ca3e2486e7c24d13582b7912057d8b9542ff41503c85bc05c0}
       CERC_PONDER_NITRO_CHAIN_URL: ${CERC_PONDER_NITRO_CHAIN_URL:-http://fixturenet-eth-geth-1:8546}
       CERC_RELAY_MULTIADDR: ${CERC_RELAY_MULTIADDR}
       CERC_UPSTREAM_NITRO_ADDRESS: ${CERC_UPSTREAM_NITRO_ADDRESS:-0xAAA6628Ec44A8a742987EF3A114dDFE2D4F7aDCE}
@@ -18,14 +19,45 @@ services:
     command: ["bash", "./ponder-start.sh"]
     volumes:
       - ../config/ponder/ponder-start.sh:/app/examples/token-erc20/ponder-start.sh
-      - ../config/ponder/ponder.config.ts:/app/examples/token-erc20/ponder.config.ts
+      - ../config/ponder/ponder.indexer.config.ts:/app/examples/token-erc20/ponder.config.ts
       - peers_ids:/peers
       - nitro_deployment:/nitro
-      - ponder_nitro_data:/app/examples/token-erc20/.ponder/nitro-db
+      - ponder_indexer_nitro_data:/app/examples/token-erc20/.ponder/nitro-db
+    ports:
+      - "42070"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+
+  ponder-app-watcher:
+    hostname: ponder-app-watcher
+    depends_on:
+      - ponder-app-indexer
+    restart: unless-stopped
+    image: cerc/ponder:local
+    working_dir: /app/examples/token-erc20
+    environment:
+      CERC_PONDER_CHAIN_ID: ${PONDER_CHAIN_ID:-99}
+      CERC_PONDER_NITRO_PK: ${CERC_PONDER_WATCHER_NITRO_PK:-febb3b74b0b52d0976f6571d555f4ac8b91c308dfa25c7b58d1e6a7c3f50c781}
+      CERC_PONDER_NITRO_CHAIN_PK: ${CERC_PONDER_WATCHER_NITRO_CHAIN_PK:-be4aa664815ea3bc3d63118649a733f6c96b243744310806ecb6d96359ab62cf}
+      CERC_PONDER_NITRO_CHAIN_URL: ${CERC_PONDER_NITRO_CHAIN_URL:-http://fixturenet-eth-geth-1:8546}
+      CERC_RELAY_MULTIADDR: ${CERC_RELAY_MULTIADDR}
+      CERC_INDEXER_GQL_ENDPOINT: ${CERC_INDEXER_GQL_ENDPOINT:-http://ponder-app-indexer:42070/graphql}
+      CERC_INDEXER_NITRO_ADDRESS: ${CERC_INDEXER_NITRO_ADDRESS:-0x67D5b55604d1aF90074FcB69b8C51838FFF84f8d}
+      CERC_INDEXER_NITRO_PAY_AMOUNT: ${CERC_INDEXER_NITRO_PAY_AMOUNT:-50}
+    command: ["bash", "./ponder-start.sh"]
+    volumes:
+      - ../config/ponder/ponder-start.sh:/app/examples/token-erc20/ponder-start.sh
+      - ../config/ponder/ponder.watcher.config.ts:/app/examples/token-erc20/ponder.config.ts
+      - peers_ids:/peers
+      - nitro_deployment:/nitro
+      - ponder_watcher_nitro_data:/app/examples/token-erc20/.ponder/nitro-db
+    ports:
+      - "42069"
     extra_hosts:
       - "host.docker.internal:host-gateway"
 
 volumes:
   peers_ids:
   nitro_deployment:
-  ponder_nitro_data:
+  ponder_indexer_nitro_data:
+  ponder_watcher_nitro_data:

app/data/config/ponder/ponder-start.sh

@@ -53,6 +53,9 @@ echo "RELAY_MULTIADDR=\"$CERC_RELAY_MULTIADDR\"" >> "$env_file"
 echo "UPSTREAM_NITRO_ADDRESS=\"$CERC_UPSTREAM_NITRO_ADDRESS\"" >> "$env_file"
 echo "UPSTREAM_NITRO_MULTIADDR=\"$CERC_UPSTREAM_NITRO_MULTIADDR\"" >> "$env_file"
 echo "UPSTREAM_NITRO_PAY_AMOUNT=\"$CERC_UPSTREAM_NITRO_PAY_AMOUNT\"" >> "$env_file"
+echo "INDEXER_GQL_ENDPOINT=\"$CERC_INDEXER_GQL_ENDPOINT\"" >> "$env_file"
+echo "INDEXER_NITRO_ADDRESS=\"$CERC_INDEXER_NITRO_ADDRESS\"" >> "$env_file"
+echo "INDEXER_NITRO_PAY_AMOUNT=\"$CERC_INDEXER_NITRO_PAY_AMOUNT\"" >> "$env_file"
 
 cat "$env_file"
 

app/data/config/ponder/ponder.indexer.config.ts

@@ -1,6 +1,6 @@
-import type { Config } from "@ponder/core";
+import { type Config, AppMode } from "@ponder/core";
 
-import contractAddresses from "./nitro-addresses.json";
+import contractAddresses from "./nitro-addresses.json" assert { type: "json" };
 
 export const config: Config = {
   networks: [
@@ -39,6 +39,9 @@ export const config: Config = {
       maxBlockRange: 100,
     },
   ],
+  options: {
+    mode: AppMode.Indexer,
+  },
   nitro: {
     privateKey: process.env.PONDER_NITRO_PK!,
     chainPrivateKey: process.env.PONDER_NITRO_CHAIN_PK!,

app/data/config/ponder/ponder.watcher.config.ts

@@ -0,0 +1,46 @@
+import { type Config, AppMode } from "@ponder/core";
+
+import contractAddresses from "./nitro-addresses.json" assert { type: "json" };
+
+export const config: Config = {
+  networks: [
+    {
+      name: "fixturenet",
+      chainId: Number(process.env.PONDER_CHAIN_ID),
+    },
+  ],
+  contracts: [
+    {
+      name: "AdventureGold",
+      network: "fixturenet",
+      abi: "./abis/AdventureGold.json",
+      address: "0x32353A6C91143bfd6C7d363B546e62a9A2489A20",
+      startBlock: 5,
+      maxBlockRange: 100,
+    },
+  ],
+  options: {
+    mode: AppMode.Watcher,
+  },
+  indexer: {
+    gqlEndpoint: process.env.INDEXER_GQL_ENDPOINT,
+    payments: {
+      nitro: {
+        address: process.env.INDEXER_NITRO_ADDRESS,
+        fundingAmounts: {
+          directFund: "1000000000000",
+          virtualFund: "1000000000",
+        },
+      },
+      amount: process.env.INDEXER_NITRO_PAY_AMOUNT,
+    },
+  },
+  nitro: {
+    privateKey: process.env.PONDER_NITRO_PK!,
+    chainPrivateKey: process.env.PONDER_NITRO_CHAIN_PK!,
+    chainUrl: process.env.PONDER_NITRO_CHAIN_URL!,
+    contractAddresses,
+    relayMultiAddr: process.env.RELAY_MULTIADDR!,
+    store: "./.ponder/nitro-db",
+  }
+};

app/data/stacks/fixturenet-payments/demo.md

@@ -204,12 +204,15 @@ Stack components:
 
 ### ERC20 Ponder App
 
-* Run the ponder app in it's container:
+* Run the ponder app in indexer mode:
 
   ```bash
-  docker exec -it payments-ponder-app-1 bash -c "pnpm start"
+  docker exec -it payments-ponder-app-indexer-1 bash -c "DEBUG=laconic:payments pnpm start"
 
   # Expected output:
+  # 08:00:28.701 INFO  payment    Nitro node setup with address 0x67D5b55604d1aF90074FcB69b8C51838FFF84f8d
+  #   laconic:payments Starting voucher subscription... +0ms
+  # ...
   # 09:58:54.288 INFO  payment    Creating ledger channel with nitro node 0xAAA6628Ec44A8a742987EF3A114dDFE2D4F7aDCE
   # ...
   # 09:59:14.230 INFO  payment    Creating payment channel with nitro node 0xAAA6628Ec44A8a742987EF3A114dDFE2D4F7aDCE
@@ -217,7 +220,13 @@ Stack components:
   # 09:59:14.329 INFO  payment    Using payment channel 0x10f049519bc3f862e2b26e974be8666886228f30ea54aab06e2f23718afffab0
   ```
 
-* On starting the Ponder app, it creates a payment channel with the `ipld-eth-server`'s Nitro node and then starts the historical sync service
+* Export the payment channel id to a variable:
+
+  ```bash
+  export PONDER_UPSTREAM_PAYMENT_CHANNEL=<PAYMENT_CHANNEL_ID>
+  ```
+
+* On starting the Ponder app in indexer mode, it creates a payment channel with the `ipld-eth-server`'s Nitro node and then starts the historical sync service
 
 * The sync service makes several ETH RPC requests to the `ipld-eth-server` to fetch required data; check the payment proxy server logs for charged RPC requests (`eth_getBlockByNumber`, `eth_getLogs`)
 
@@ -237,12 +246,6 @@ Stack components:
   # ...
   ```
 
-* Export the payment channel id to a variable:
-
-  ```bash
-  export PONDER_UPSTREAM_PAYMENT_CHANNEL=<PAYMENT_CHANNEL_ID>
-  ```
-
 * Check the ponder - ipld-eth-server payment channel status:
 
   ```bash
@@ -262,6 +265,33 @@ Stack components:
   # }
   ```
 
+* In another terminal run the ponder app in watcher mode:
+  ```bash
+  docker exec -it payments-ponder-app-watcher-1 bash -c "DEBUG=laconic:payments pnpm start"
+
+  # Expected output:
+  # 11:23:22.057 DEBUG app        Started using config file: ponder.config.ts
+  # 08:02:12.548 INFO  payment    Nitro node setup with address 0x111A00868581f73AB42FEEF67D235Ca09ca1E8db
+  #   laconic:payments Starting voucher subscription... +0ms
+  # 08:02:17.417 INFO  payment    Creating ledger channel with nitro node 0x67D5b55604d1aF90074FcB69b8C51838FFF84f8d ...
+  # 08:02:37.135 INFO  payment    Creating payment channel with nitro node 0x67D5b55604d1aF90074FcB69b8C51838FFF84f8d ...
+  # 08:02:37.313 INFO  payment    Using payment channel 0x4b8e67f6a6fcfe114fdd60b85f963344ece4c77d4eea3825688c74b45ff5509b
+  # ...
+  # 11:23:22.436 INFO  server     Started responding as healthy
+  ```
+
+* Check the terminal in which indexer mode ponder is running. Logs of payment for `eth_getLogs` queries can be seen:
+  ```bash
+  # ...
+  # 08:02:37.763 DEBUG realtime   Finished processing new head block 89 (network=fixturenet)
+  #   laconic:payments Received a payment voucher of 50 from 0x111A00868581f73AB42FEEF67D235Ca09ca1E8db +444ms
+  #   laconic:payments Serving a paid query for 0x111A00868581f73AB42FEEF67D235Ca09ca1E8db +1ms
+  # 08:02:37.804 DEBUG payment    Verified payment for GQL queries getLogEvents
+  #   laconic:payments Received a payment voucher of 50 from 0x111A00868581f73AB42FEEF67D235Ca09ca1E8db +45ms
+  #   laconic:payments Serving a paid query for 0x111A00868581f73AB42FEEF67D235Ca09ca1E8db +0ms
+  # 08:02:37.849 DEBUG payment    Verified payment for GQL queries getLogEvents
+  ```
+  
 ## Clean Up
 
 * In the MobyMask app, perform `VIRTUAL DEFUND` and `DIRECT DEFUND` (in order) for closing the payment channel created with watcher
@@ -272,4 +302,9 @@ Stack components:
   await clearNodeStorage()
   ```
 
+* Run the following in the browser console to clear data in local storage:
+  ```bash
+  localStorage.clear()
+  ```
+
 * On a fresh restart, clear activity tab data in MetaMask for concerned accounts

app/data/stacks/fixturenet-payments/stack.yml

@@ -18,7 +18,7 @@ repos:
   - github.com/cerc-io/mobymask-snap
   - github.com/cerc-io/mobymask-ui@v0.2.1
   # ponder repo
-  - github.com/cerc-io/ponder@laconic
+  - github.com/cerc-io/ponder@laconic-esm
 containers:
   # fixturenet images
   - cerc/go-ethereum