diff --git a/token-scanner-api/.env.example b/token-scanner-api/.env.example
index d07b36f..db56bb2 100644
--- a/token-scanner-api/.env.example
+++ b/token-scanner-api/.env.example
@@ -12,7 +12,7 @@ TOKEN_DECIMALS =
#########################
MAX_RETRIES = 4
-SIZE_CHUNK_NEXT = 50000
+SIZE_CHUNK_NEXT = 5000
#########################
diff --git a/token-scanner-api/README.md b/token-scanner-api/README.md
index f15cb4d..e7c2657 100644
--- a/token-scanner-api/README.md
+++ b/token-scanner-api/README.md
@@ -1,12 +1,21 @@
-## token scanner api and cli
+## π πͺ token scanner api and cli
+
+
+##### π this project implements a cli tool that indexes transfer events for a particular token, and is deployed to a restful api for fast balance and ownership statistics retrieval. this is the first step for training machine learning models on the chains (*e.g.*, high-frequency trading with deep learning).
+
+##### π more details can be found in my mirror post, **[quant #3: building a scalable event scanner for ethereum](https://mirror.xyz/steinkirch.eth/vSF18xcLyfXLIWwxjreRa3I_XskwgnjSc6pScegNJWI)**.
+
+
+
+---
+
+### setting up
#### installing dependencies
-create a venv, either using virtualenv, pipenv, or poetry.
-
because of some of the dependencies in this code, we will be developing on a python3.9 environment (install here if you donβt have that version on disk):
```
@@ -18,9 +27,9 @@ pip3 install -r requirements.txt
-#### add environment variables
+#### adding environment variables
-now, create an .env file and add an RPC_PROVIDER_URL to connect to ethereum mainnet nodes (you can pick from any of this list of nodes as a service):
+create a `.env` file and add an `RPC_PROVIDER_URL` to connect to ethereum mainnet nodes (for example, from [this list](https://ethereumnodes.com/)):
```
cp .env.example .env
@@ -33,24 +42,40 @@ vim .env
```
make install
-indexer -h
```
-#### deploying on production
+----
-we use vercel to deploy this app at .
+### running
+
+
-to deploy new changes, first install vercel:
```
-yarn
+indexer -h
+
+
```
-then run:
+
+
+
+---
+
+### development
+
+
+
+#### deploying in production
+
+we use vercel to deploy this app:
```
vercel login
vercel .
-```
\ No newline at end of file
+```
+
+
+
diff --git a/token-scanner-api/src/blockchains/ethereum.py b/token-scanner-api/src/blockchains/ethereum.py
index 9b12f62..82ecb8f 100644
--- a/token-scanner-api/src/blockchains/ethereum.py
+++ b/token-scanner-api/src/blockchains/ethereum.py
@@ -117,6 +117,7 @@ class TokenIndexer:
def _process_logs(self, logs: list) -> dict:
"""Process the logs and return a dictionary with the results."""
+ log_info(f'Processing {len(logs)} logs...')
processed_logs = defaultdict()
try: