Ethereum Transaction Parser

Overview

This project is a lightweight Ethereum blockchain transaction parser that allows users to:

Retrieve the current Ethereum block number
Subscribe to specific Ethereum addresses
Fetch transactions for subscribed addresses

Project Structure

|-Trustwallet.postman_collection.json
|-main.go
|-README.md
|-go.mod
|-parser
| |-types.go
| |-ethereum
| | |-ethereum_parser_test.go
| | |-ethereum_parser.go
| |-parser.go
|-main_test.go

Installation

Clone the repository

git clone https://github.com/yourusername/trustwallet.git
cd trustwallet

Install dependencies

go mod tidy

Run the application

go run main.go

API Endpoints

1. Get Current Block

Endpoint: /current_block
Method: GET
Description: Retrieves the latest Ethereum block number
Response:
```
{
  "current_block": 12345678
}
```

2. Subscribe to Address

Endpoint: /subscribe
Method: POST
Description: Add an Ethereum address to the observer list

Request Body:

{
  "address": "0x46340b20830761efd32832a74d7169b29feb9758"
}

Response:

{
  "message": "Address subscribed successfully"
}

3. Get Transactions

Endpoint: /transactions
Method: GET
Description: Fetch transactions for a subscribed address
Query Parameter: address

Response:

{
  "transactions": [
    {
      "from": "0x...",
      "to": "0x...",
      "value": "..."
    }
  ]
}

Configuration

RPC Endpoint: Configured in ethereum_parser.go
- Currently using: https://ethereum-rpc.publicnode.com

Testing

Run tests using:

go test ./...

Postman Collection

A Postman collection is included (Trustwallet.postman_collection.json) for easy API testing and documentation.

Performance Considerations

Implement connection pooling for RPC requests
Add caching mechanisms
Consider rate limiting and error handling for RPC interactions

mo7zayed / simple-ethereum-parser