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Update demo instructions

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Prathamesh Musale 2023-10-06 11:23:19 +05:30
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app/data/stacks/fixturenet-payments/README.md
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# fixturenet-payments
Instructions to setup and deploy end-to-end fixturenet-payments stack using [laconic-stack-orchestrator](/README.md#install)
## Setup
Clone required repositories:

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app/data/stacks/fixturenet-payments/demo.md
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# Demo
## MobyMask Watcher
Stack components:
* `ipld-eth-db` database for statediffed data
* Local geth + lighthouse blockchain "fixturenet" running in statediffing mode
* `ipld-eth-server` which runs an ETH RPC API and a GQL server; serves data from `ipld-eth-db`
* A go-nitro node acting as the Nitro node for `ipld-eth-server`
* A reverse payment proxy server that proxies requests to `ipld-eth-server`'s RPC endpoint; it talks to `ipld-eth-server`'s go-nitro node to validate payments required for configured RPC requests
* A MobyMask v3 watcher that pays the `ipld-eth-server` for ETH RPC requests
* A MobyMask v3 app that pays the watcher for GQL requests (queries + mutations)
* An example ERC20 Ponder app that pays the `ipld-eth-server` for ETH RPC requests
* Check watcher logs and wait for the payment channel to be created with upstream go-nitro node:
## Setup
* On starting the stack, MobyMask watcher creates a payment channel with the `ipld-eth-server`'s go-nitro node. Check watcher logs and wait for the same:
```bash
docker logs -f $(docker ps -aq --filter name="mobymask-watcher-server")
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# vulcanize:server Starting server... +0ms
```
* Export the payment channel id to a variable:
* Keep the above command running to keep track of incoming payments and GQL requests from the MobyMask app
* In another terminal, export the payment channel id to a variable:
```bash
export WATCHER_UPSTREAM_PAYMENT_CHANNEL=<PAYMENT_CHANNEL_ID>
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# }
```
## MobyMask App
* Track the reverse payment proxy container logs in a terminal:
* In another terminal, check the reverse payment proxy server's logs to keep track of incoming payments and RPC requests:
```bash
docker logs -f $(docker ps -aq --filter name="nitro-reverse-payment-proxy")
```
* MetaMask wallet setup for running the MobyMask app:
* Get the geth node’s port mapped to host:
```bash
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* In MetaMask Flask, add a custom network with the following settings:
```bash
# Network name
Local fixturenet
# New RPC URL
http://127.0.0.1:<GETH_PORT>
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ETH
```
* Import the faucet account in MetaMask and fund an additional account for usage in the app:
* Import a faucet account with the following private key:
```bash
# Faucet PK
# 0x570b909da9669b2f35a0b1ac70b8358516d55ae1b5b3710e95e9a94395090597
# Clear activity tab for the accounts on chain restart
```
* Get the generated root invite link for the app from MobyMask contract deployment container logs:
* Create an additional account for usage in the app; fund it from the faucet account
* Get the generated root invite link for MobyMask from contract deployment container logs:
```bash
docker logs -f $(docker ps -aq --filter name="mobymask-1")
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# http://127.0.0.1:3004/#/members?invitation=<INVITATION>
```
* Open app in a browser using the invite link
## Run
* Run the following in the browser console to enable logs:
### MobyMask App
* Open app in a browser (where MetaMask was setup) using the invite link
* Run the following in browser console to enable logs:
```bash
localStorage.debug = 'ts-nitro:*'
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* Click on `Connect Wallet` to connect to MetaMask (make sure that the newly funded account is active)
* Click on `Connect Snap` to install/connect snap
* Perform `DIRECT FUND` with the preset amount
* Perform `DIRECT FUND` with the preset amount; confirm the transaction and wait for a ledger channel to be created with the watcher
* Perform `VIRTUAL FUND` with amount set to `10000`
* Perform `VIRTUAL FUND` with amount set to `10000` and wait for a payment channel to be created with the watcher
* Perform phisher status check queries now that a payment channel is created:
* Check the watcher logs for received payments
* Check the payment proxy server logs for charged RPC requests (`eth_getBlockByHash`, `eth_getBlockByNumber`, `eth_getStorageAt`) made from watcher to upstream ETH server
* Check the watcher logs for received payments along with the GQL queries
* The watcher makes several ETH RPC requests to `ipld-eth-server` to fetch data required for satisfying the GQL request(s); check the payment proxy server logs for charged RPC requests (`eth_getBlockByHash`, `eth_getBlockByNumber`, `eth_getStorageAt`)
* Change the amount besides `PAY` button to `>=100` for phisher reports next
* Perform a phisher report and check the watcher logs for received payments; the RPC mutation request is sent to geth node and is not charged
* Check the watcher - eth-server payment channel status after a few requests:
* Check the watcher - ipld-eth-server payment channel status after a few requests:
```bash
docker exec payments-nitro-rpc-client-1 npm exec -c "nitro-rpc-client get-payment-channel $WATCHER_UPSTREAM_PAYMENT_CHANNEL -h go-nitro -p 4005"
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# }
```
## Ponder App
### ERC20 Ponder App
* Run the ponder app in it's container:
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# 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 go-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`)
* Export the payment channel id to a variable:
```bash
export PONDER_UPSTREAM_PAYMENT_CHANNEL=<PAYMENT_CHANNEL_ID>
```
* Check the ponder - eth-server payment channel status:
* Check the ponder - ipld-eth-server payment channel status:
```bash
docker exec payments-nitro-rpc-client-1 npm exec -c "nitro-rpc-client get-payment-channel $PONDER_UPSTREAM_PAYMENT_CHANNEL -h go-nitro -p 4005"
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# }
```
* Check reverse payment proxy server logs for charged RPC requests made from ponder app to upstream ETH server:
```bash
# Expected output:
# ...
# {"time":"2023-09-28T09:59:14.499841999Z","level":"DEBUG","msg":"Request cost","cost-per-byte":1,"response-length":61,"cost":61}
# {"time":"2023-09-28T09:59:14.500060006Z","level":"DEBUG","msg":"sent message","address":"0xAAA6628Ec44A8a742987EF3A114dDFE2D4F7aDCE","method":"receive_voucher"}
# {"time":"2023-09-28T09:59:14.501221898Z","level":"DEBUG","msg":"Received voucher","delta":5000}
# {"time":"2023-09-28T09:59:14.501245984Z","level":"DEBUG","msg":"Destination request","url":"http://ipld-eth-server:8081/?method=eth_getLogs"}
```
## Clean Up
* In the MobyMask app, perform `VIRTUAL DEFUND` and `DIRECT DEFUND` (in this order) for closing the payment channel created with watcher
* In the MobyMask app, perform `VIRTUAL DEFUND` and `DIRECT DEFUND` (in order) for closing the payment channel created with watcher
* Run the following in the browser console to delete the Nitro node's data:
```bash
await clearNodeStorage()
```
* On a restart, clear activity tab data in MetaMask for concerned accounts