From af73ec70e8c70649067812bda22bd1335248df68 Mon Sep 17 00:00:00 2001
From: Shreerang Kale <shreerangkale@gmail.com>
Date: Wed, 23 Oct 2024 10:52:27 +0530
Subject: [PATCH] Add command to check balance of ERC20 tokens

---
 ops/deployments-from-scratch.md | 12 ++++++---
 testnet-nitro-node.md           | 45 ++++++++++++++++++++++++++++++---
 2 files changed, 50 insertions(+), 7 deletions(-)

diff --git a/ops/deployments-from-scratch.md b/ops/deployments-from-scratch.md
index 3219c33..a55ba90 100644
--- a/ops/deployments-from-scratch.md
+++ b/ops/deployments-from-scratch.md
@@ -191,10 +191,12 @@
   initial_token_supply: "129600"
   ```
 
-* Update the target dir in `setup-vars.yml`:
+* Edit the `setup-vars.yml` to update the target directory:
 
   ```bash
-  sed -i 's|^nitro_directory:.*|nitro_directory: /srv/bridge|' setup-vars.yml
+  ...
+  nitro_directory: /srv/bridge
+  ...
 
   # Will create deployment at /srv/bridge/nitro-contracts-deployment
   ```
@@ -343,10 +345,12 @@
   ca_address: ""
   ```
 
-* Update the target dir in `setup-vars.yml`:
+* Edit the `setup-vars.yml` to update the target directory:
 
   ```bash
-  sed -i 's|^nitro_directory:.*|nitro_directory: /srv/bridge|' setup-vars.yml
+  ...
+  nitro_directory: /srv/bridge
+  ...
 
   # Will create deployment at /srv/bridge/nitro-contracts-deployment and /srv/bridge/bridge-deployment
   ```
diff --git a/testnet-nitro-node.md b/testnet-nitro-node.md
index bcfb688..2db33b5 100644
--- a/testnet-nitro-node.md
+++ b/testnet-nitro-node.md
@@ -38,7 +38,44 @@
 
 * Ask testnet operator to send L1 tokens to your chain address
 
-  * [Reference doc for operators](./ops/nitro-token-ops.md)
+  * [README for transferring tokens](./ops/nitro-token-ops.md)
+
+* Check balance of your tokens once they are transferred:
+
+  ```bash
+  export GETH_CHAIN_ID="1212"
+  export GETH_CHAIN_URL="https://fixturenet-eth.laconic.com"
+
+  export ACCOUNT_ADDRESS=<account-address> #account address should be without "0x"
+  export ASSET_ADDRESS_1=$(jq -r --arg chainId "$GETH_CHAIN_ID" '.[$chainId][0].contracts.TestToken.address' assets.json)
+  export ASSET_ADDRESS_2=$(jq -r --arg chainId "$GETH_CHAIN_ID" '.[$chainId][0].contracts.TestToken2.address' assets.json)
+
+  # Check balance of first asset address
+  curl -X POST $GETH_CHAIN_URL \
+   -H "Content-Type: application/json" \
+   -d '{
+     "jsonrpc":"2.0",
+     "method":"eth_call",
+     "params":[{
+       "to": "'"$ASSET_ADDRESS_1"'",
+       "data": "0x70a08231000000000000000000000000'"$ACCOUNT_ADDRESS"'"
+     }, "latest"],
+     "id":1
+   }'
+
+  # Check balance of second asset address
+  curl -X POST $GETH_CHAIN_URL \
+   -H "Content-Type: application/json" \
+   -d '{
+     "jsonrpc":"2.0",
+     "method":"eth_call",
+     "params":[{
+       "to": "'"$ASSET_ADDRESS_2"'",
+       "data": "0x70a08231000000000000000000000000'"$ACCOUNT_ADDRESS"'"
+     }, "latest"],
+     "id":1
+   }'
+  ```
 
 * Edit `nitro-vars.yml` and add the following variables:
 
@@ -182,9 +219,11 @@ Create a ledger channel with the bridge on L1 which is mirrored on L2
 
   export BRIDGE_NITRO_ADDRESS=$(yq eval '.bridge_nitro_address' nitro-node-config.yml)
 
+  export GETH_CHAIN_ID="1212"
+
   # Get asset addresses from assets.json file
-  export ASSET_ADDRESS_1=$(jq -r --arg chainId "$CHAIN_ID" '.[$chainId][0].contracts.TestToken.address' assets.json)
-  export ASSET_ADDRESS_2=$(jq -r --arg chainId "$CHAIN_ID" '.[$chainId][0].contracts.TestToken2.address' assets.json)
+  export ASSET_ADDRESS_1=$(jq -r --arg chainId "$GETH_CHAIN_ID" '.[$chainId][0].contracts.TestToken.address' assets.json)
+  export ASSET_ADDRESS_2=$(jq -r --arg chainId "$GETH_CHAIN_ID" '.[$chainId][0].contracts.TestToken2.address' assets.json)
   ```
 
 * Check that you have no existing channels on L1 or L2: