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TokenTrail is a command-line tool for tracking ERC-20 token transfers on various EVM compatible blockchains.

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TokenTrail

TokenTrail is a command-line tool for tracking ERC-20 token transfers on various EVM compatible blockchains.

Features

  • Fetch token transfers for specified multiple addresses
  • Fetch transactions between two specific addresses
  • Support for multiple EVM compatible chains
  • Support for any ERC20 Token Address
  • Automatically fetches Token Name and Ticker
  • Automatically fetches Token Decimals for human-readable token amount

Installation

  1. Ensure you have Rust and Cargo installed.
  2. Clone the repository: 
    git clone https://github.com/invis2912/TokenTrail.git
cd TokenTrail
  3. Run the project: 
    cargo run
    It will return output based on constants defined in src/constants.rs
   // Define global constants for default values
pub const DEFAULT_CHAIN: Chain = Chain::Chiliz;
pub const DEFAULT_TOKEN_ADDRESS: &str = "0xFD3C73b3B09D418841dd6Aff341b2d6e3abA433b";
pub const DEFAULT_BLOCKS_BACK: u64 = 110000;
pub const DEFAULT_FROM_ADDRESS: &str = "0x87917D879ba83CE3Ada6e02d49A10c1eC1988062";
pub const DEFAULT_TO_ADDRESS: &str = "0x6C22326A4DE45b089Ea35446eeA23D3966d7e16A";

  1. Build the project for release version:

    cargo build --release

    This command compiles your project with optimizations, creating a release-ready binary.

  2. Once the build process is complete, you can find the compiled binary in the target/release directory.

  3. The binary will be named tokentrail. You can run it directly from the target/release directory:

    ./target/release/tokentrail --chain chiliz --token-address 0xFD3C73b3B09D418841dd6Aff341b2d6e3abA433b fetch-transfers --blocks-back 10000 --addresses 0x87917d879ba83ce3ada6e02d49a10c1ec1988062,0x6c22326a4de45b089ea35446eea23d3966d7e16a,0xcc782d8b7863acf80e3a4fafc0e04d445f5bf711

    I above command, I have selected chiliz chain for Bar Token to get list of transactions for 3 addresses.

Usage

tokentrail [OPTIONS] --chain --token-address <TOKEN_ADDRESS> --blocks-back --addresses

Options

  • --chain <CHAIN>: Specify the blockchain (e.g. Chiliz, Ethereum, Polygon)
  • --token-address <TOKEN_ADDRESS>: The address of the ERC-20 token

Commands

  • fetch-transfers: Fetch token transfers for specified addresses
  • fetch-transactions-between: Fetch transactions between two addresses
  • --blocks-back <VALUE>: Number of blocks backward from current blocks
  • --addresses <WALLET ADDRESS>: User address

Usage Examples

Fetch Token Transfers for Multiple Addresses

To fetch token transfers for multiple addresses on the Chiliz chain:

./target/release/tokentrail --chain chiliz --token-address 0xFD3C73b3B09D418841dd6Aff341b2d6e3abA433b fetch-transfers --blocks-back 10000 --addresses 0x87917d879ba83ce3ada6e02d49a10c1ec1988062,0x6c22326a4de45b089ea35446eea23d3966d7e16a,0xcc782d8b7863acf80e3a4fafc0e04d445f5bf711

This command:

  • Uses the Chiliz chain
  • Tracks the token at address 0xFD3C73b3B09D418841dd6Aff341b2d6e3abA433b
  • Fetches transfers from the last 10,000 blocks
  • Monitors transfers for three addresses:
    • 0x87917d879ba83ce3ada6e02d49a10c1ec1988062
    • 0x6c22326a4de45b089ea35446eea23d3966d7e16a
    • 0xcc782d8b7863acf80e3a4fafc0e04d445f5bf711

Demo

The output for fetch-transactions-between two addresses functionality looks like following:

ajeet@Ajeets-MBP TokenTrail % ./target/release/tokentrail --chain chiliz --token-address 0xFD3C73b3B09D418841dd6Aff341b2d6e3abA433b fetch-transactions-between --from 0x87917D879ba83CE3Ada6e02d49A10c1eC1988062 --to 0x6C22326A4DE45b089Ea35446eeA23D3966d7e16A --blocks-back 50000
 __        __         _                                       _               _____           _                     _____                  _   _ 
 \ \      / /   ___  | |   ___    ___    _ __ ___     ___    | |_    ___     |_   _|   ___   | | __   ___   _ __   |_   _|  _ __    __ _  (_) | |
  \ \ /\ / /   / _ \ | |  / __|  / _ \  | '_ ` _ \   / _ \   | __|  / _ \      | |    / _ \  | |/ /  / _ \ | '_ \    | |   | '__|  / _` | | | | |
   \ V  V /   |  __/ | | | (__  | (_) | | | | | | | |  __/   | |_  | (_) |     | |   | (_) | |   <  |  __/ | | | |   | |   | |    | (_| | | | | |
    \_/\_/     \___| |_|  \___|  \___/  |_| |_| |_|  \___|    \__|  \___/      |_|    \___/  |_|\_\  \___| |_| |_|   |_|   |_|     \__,_| |_| |_|
                                                                                                                                                 

Starting program...
Selected Chain: 
   ____   _       _   _   _       
  / ___| | |__   (_) | | (_)  ____
 | |     | '_ \  | | | | | | |_  /
 | |___  | | | | | | | | | |  / / 
  \____| |_| |_| |_| |_| |_| /___|
                                  

RPC URL for Chiliz: https://chiliz-chain.rpc.thirdweb.com/
Provider created successfully.
Parsing token address...
Token address parsed successfully: 0xfd3c73b3b09d418841dd6aff341b2d6e3aba433b
Token Name:
  _____    ____     ____                                 _                         
 |  ___|  / ___|   | __ )    __ _   _ __    ___    ___  | |   ___    _ __     __ _ 
 | |_    | |       |  _ \   / _` | | '__|  / __|  / _ \ | |  / _ \  | '_ \   / _` |
 |  _|   | |___    | |_) | | (_| | | |    | (__  |  __/ | | | (_) | | | | | | (_| |
 |_|      \____|   |____/   \__,_| |_|     \___|  \___| |_|  \___/  |_| |_|  \__,_|
                                                                                   

Token Ticker:
  ____       _      ____  
 | __ )     / \    |  _ \ 
 |  _ \    / _ \   | |_) |
 | |_) |  / ___ \  |  _ < 
 |____/  /_/   \_\ |_| \_\
                          

Token decimals: 0
Fetching transactions...
Transfers fetched successfully. Count: 4
Event: Transfer
Date: 2024-09-01 16:53:37 UTC
From: 0x87917d879ba83ce3ada6e02d49a10c1ec1988062
To: 0x6c22326a4de45b089ea35446eea23d3966d7e16a
Amount: 1010
Transaction Hash: 0x9e618a34216e232aae2880a12de1a257615178810f3741a67894dbb418880072
Block Hash: 0x1a2302930a529e251a8de8f15959f0875a74db898962e973929cdd979b575dde
Block Number: 16169027
--------------------
Event: Transfer
Date: 2024-09-01 17:09:38 UTC
From: 0x87917d879ba83ce3ada6e02d49a10c1ec1988062
To: 0x6c22326a4de45b089ea35446eea23d3966d7e16a
Amount: 473
Transaction Hash: 0xd37a42b211018cbc6af66c866d8326f659e200a5e2e329c81988878be7f0356d
Block Hash: 0x6c464817c6e444b5beecc5e47327b573ba52a4e89868e364f40e49ecb37129bd
Block Number: 16169329
--------------------
Event: Transfer
Date: 2024-09-01 17:41:38 UTC
From: 0x87917d879ba83ce3ada6e02d49a10c1ec1988062
To: 0x6c22326a4de45b089ea35446eea23d3966d7e16a
Amount: 298
Transaction Hash: 0xd80156a5cfb5881e3d351b6313c439f7e39ade047b0d0b7182318981298c5d86
Block Hash: 0x4c28bf48b7ad7160b2c0bdb3b71ff44ebce6cfda4561d30394ef47c1bf66cd89
Block Number: 16169934
--------------------
Event: Transfer
Date: 2024-09-01 17:44:27 UTC
From: 0x87917d879ba83ce3ada6e02d49a10c1ec1988062
To: 0x6c22326a4de45b089ea35446eea23d3966d7e16a
Amount: 296
Transaction Hash: 0x3ba4839a65263aeab3a89a8b6b12b599c06b924c886efd3f40a9e09ace26d196
Block Hash: 0x720ce0321d17353199dc69be753758b66a052be764040867f2c889852351b8c5
Block Number: 16169985
--------------------
Thank you for using TokenTrail.

The output for fetch-transfers for multiple addresses functionality looks like following:

ajeet@Ajeets-MBP TokenTrail % ./target/release/tokentrail --chain chiliz --token-address 0xFD3C73b3B09D418841dd6Aff341b2d6e3abA433b fetch-transfers --blocks-back 10000 --addresses 0x87917d879ba83ce3ada6e02d49a10c1ec1988062,0x6c22326a4de45b089ea35446eea23d3966d7e16a,0xcc782d8b7863acf80e3a4fafc0e04d445f5bf711
 __        __         _                                       _               _____           _                     _____                  _   _ 
 \ \      / /   ___  | |   ___    ___    _ __ ___     ___    | |_    ___     |_   _|   ___   | | __   ___   _ __   |_   _|  _ __    __ _  (_) | |
  \ \ /\ / /   / _ \ | |  / __|  / _ \  | '_ ` _ \   / _ \   | __|  / _ \      | |    / _ \  | |/ /  / _ \ | '_ \    | |   | '__|  / _` | | | | |
   \ V  V /   |  __/ | | | (__  | (_) | | | | | | | |  __/   | |_  | (_) |     | |   | (_) | |   <  |  __/ | | | |   | |   | |    | (_| | | | | |
    \_/\_/     \___| |_|  \___|  \___/  |_| |_| |_|  \___|    \__|  \___/      |_|    \___/  |_|\_\  \___| |_| |_|   |_|   |_|     \__,_| |_| |_|
                                                                                                                                                 

Starting program...
Selected Chain: 
   ____   _       _   _   _       
  / ___| | |__   (_) | | (_)  ____
 | |     | '_ \  | | | | | | |_  /
 | |___  | | | | | | | | | |  / / 
  \____| |_| |_| |_| |_| |_| /___|
                                  

RPC URL for Chiliz: https://chiliz-chain.rpc.thirdweb.com/
Provider created successfully.
Parsing token address...
Token address parsed successfully: 0xfd3c73b3b09d418841dd6aff341b2d6e3aba433b
Token Name:
  _____    ____     ____                                 _                         
 |  ___|  / ___|   | __ )    __ _   _ __    ___    ___  | |   ___    _ __     __ _ 
 | |_    | |       |  _ \   / _` | | '__|  / __|  / _ \ | |  / _ \  | '_ \   / _` |
 |  _|   | |___    | |_) | | (_| | | |    | (__  |  __/ | | | (_) | | | | | | (_| |
 |_|      \____|   |____/   \__,_| |_|     \___|  \___| |_|  \___/  |_| |_|  \__,_|
                                                                                   

Token Ticker:
  ____       _      ____  
 | __ )     / \    |  _ \ 
 |  _ \    / _ \   | |_) |
 | |_) |  / ___ \  |  _ < 
 |____/  /_/   \_\ |_| \_\
                          

Token decimals: 0
Address 0 parsed successfully: 0x87917d879ba83ce3ada6e02d49a10c1ec1988062
Address 1 parsed successfully: 0x6c22326a4de45b089ea35446eea23d3966d7e16a
Address 2 parsed successfully: 0xcc782d8b7863acf80e3a4fafc0e04d445f5bf711
Address list parsed successfully. Total addresses: 3
Fetching transfers...
Transfers fetched successfully. Count: 3
Event: Transfer
Date: 2024-09-03 01:03:06 UTC
From: 0x87917d879ba83ce3ada6e02d49a10c1ec1988062
To: 0xe7969e270667cd43bfe8640fa0187029e71535f2
Amount: 285
Transaction Hash: 0x8ee467848fe35d87cd0947777a58d615d7b73ec1bb07269ee844e61209c9569a
Block Hash: 0x7204dfd267c01ab32b66e698b83dcb244678560e0fde9b312cae9142f50c7adb
Block Number: 16207015
--------------------
Event: Transfer
Date: 2024-09-03 03:20:03 UTC
From: 0xe505579e56d316cb2be9cef81f2cdfa6dc5c9e14
To: 0x87917d879ba83ce3ada6e02d49a10c1ec1988062
Amount: 106
Transaction Hash: 0xb65a6c5b5e5f6af58d703cf97c3f8673e0ed23fc887c51dbaf7d811991ca1794
Block Hash: 0x490bb2f6c49be03ed7bc6d8f996b4ccf48339018c20cb77f53a525260ddfe220
Block Number: 16209754
--------------------
Event: Transfer
Date: 2024-09-03 08:40:03 UTC
From: 0x42e6cc9c13611fc8e98b5504f85d0fb1f62c433a
To: 0x87917d879ba83ce3ada6e02d49a10c1ec1988062
Amount: 3039
Transaction Hash: 0x4e4be438d66520643dfdf214e3fd7ebbaca6c173cdbec730e044d1bb6a616ea3
Block Hash: 0x5790becfba819515c1af30a39bee80ed8f5bdd4d822f9068c053ce5e5dbde6d0
Block Number: 16216154
--------------------
Thank you for using TokenTrail.

The following results are for --chain ethereum and PEPE token address -

ajeet@Ajeets-MBP TokenTrail % ./target/release/tokentrail --chain ethereum --token-address 0x6982508145454Ce325dDbE47a25d4ec3d2311933 fetch-transactions-between --from 0x8d10c7E20fDd521fb300172Defa8440547544128 --to 0x45326B06216DC69F8498eF211b39F4abF8047184 --blocks-back 30000
 __        __         _                                       _               _____           _                     _____                  _   _ 
 \ \      / /   ___  | |   ___    ___    _ __ ___     ___    | |_    ___     |_   _|   ___   | | __   ___   _ __   |_   _|  _ __    __ _  (_) | |
  \ \ /\ / /   / _ \ | |  / __|  / _ \  | '_ ` _ \   / _ \   | __|  / _ \      | |    / _ \  | |/ /  / _ \ | '_ \    | |   | '__|  / _` | | | | |
   \ V  V /   |  __/ | | | (__  | (_) | | | | | | | |  __/   | |_  | (_) |     | |   | (_) | |   <  |  __/ | | | |   | |   | |    | (_| | | | | |
    \_/\_/     \___| |_|  \___|  \___/  |_| |_| |_|  \___|    \__|  \___/      |_|    \___/  |_|\_\  \___| |_| |_|   |_|   |_|     \__,_| |_| |_|
                                                                                                                                                 

Starting program...
Selected Chain: 
  _____   _     _                                              
 | ____| | |_  | |__     ___   _ __    ___   _   _   _ __ ___  
 |  _|   | __| | '_ \   / _ \ | '__|  / _ \ | | | | | '_ ` _ \ 
 | |___  | |_  | | | | |  __/ | |    |  __/ | |_| | | | | | | |
 |_____|  \__| |_| |_|  \___| |_|     \___|  \__,_| |_| |_| |_|
                                                               

RPC URL for Ethereum: https://ethereum.rpc.thirdweb.com/
Provider created successfully.
Parsing token address...
Token address parsed successfully: 0x6982508145454ce325ddbe47a25d4ec3d2311933
Token Name:
  ____                        
 |  _ \    ___   _ __     ___ 
 | |_) |  / _ \ | '_ \   / _ \
 |  __/  |  __/ | |_) | |  __/
 |_|      \___| | .__/   \___|
                |_|           

Token Ticker:
  ____    _____   ____    _____ 
 |  _ \  | ____| |  _ \  | ____|
 | |_) | |  _|   | |_) | |  _|  
 |  __/  | |___  |  __/  | |___ 
 |_|     |_____| |_|     |_____|
                                

Token decimals: 18
Fetching transactions...
Transfers fetched successfully. Count: 1
Event: Transfer
Date: 2024-09-02 14:42:35 UTC
From: 0x8d10c7e20fdd521fb300172defa8440547544128
To: 0x45326b06216dc69f8498ef211b39f4abf8047184
Amount: 39512313
Transaction Hash: 0x48430980ab5d3a726dd4b2656f1e17e2b4fabdd4636e3ca1e0fb2966f2554740
Block Hash: 0x0b0ba40bb6688ffe63e5142b2e5bfbb12eb069a5e737bc7a000da0228d6aafcd
Block Number: 20663551
--------------------
Thank you for using TokenTrail.

Environment Variables

Private or public RPC-URLS for chains can be updated in .env file.

Quick Setup and Run

Considering all other installations are complete. Run following on terminal -

For fetch-transactions-between on chiliz for BAR Token:

cargo run -- --chain chiliz --token-address 0xFD3C73b3B09D418841dd6Aff341b2d6e3abA433b fetch-transactions-between --from 0x87917D879ba83CE3Ada6e02d49A10c1eC1988062 --to 0x6C22326A4DE45b089Ea35446eeA23D3966d7e16A --blocks-back 30000

For fetch-transfers on chiliz for BAR Token:

cargo run -- --chain chiliz --token-address 0xFD3C73b3B09D418841dd6Aff341b2d6e3abA433b fetch-transfers --blocks-back 10000 --addresses 0x87917d879ba83ce3ada6e02d49a10c1ec1988062,0x6c22326a4de45b089ea35446eea23d3966d7e16a,0xcc782d8b7863acf80e3a4fafc0e04d445f5bf711

For fetch-transactions-between on ethereum for PEPE token:

cargo run -- --chain ethereum --token-address 0x6982508145454Ce325dDbE47a25d4ec3d2311933 fetch-transactions-between --from 0x8d10c7E20fDd521fb300172Defa8440547544128 --to 0x45326B06216DC69F8498eF211b39F4abF8047184 --blocks-back 30000

Test Case

There are Test Cases for two functions - test_fetch_transactions_between and test_fetch_transfers. Run following command in terminal for running Test Case.

cargo test

Output will be as following:

ajeet@Ajeets-MBP TokenTrail % cargo test
   Compiling TokenTrail v0.1.0 (/Users/ajeet/Documents/Work/TokenTransfers/TokenTrail)

warning: `TokenTrail` (bin "TokenTrail" test) generated 1 warning
    Finished `test` profile [unoptimized + debuginfo] target(s) in 2.78s
     Running unittests src/main.rs (target/debug/deps/TokenTrail-4ae03f12af7a8faf)

running 2 tests
test tests::tests::test_fetch_transactions_between ... ok
test tests::tests::test_fetch_transfers ... ok

test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.18s

More Test cases needs to be developed to make sure code is running as expected considering different inputs, scenarios and conditions.

Future Code Improvements

  1. Features:
  • Add More EVM and Non-Evm chains
  • Add More RPC URLS for Local, Private and Public Endpoints
  • Front-End Development for Easy to Use Interaction and Visualization
  • Add range of From and To Block functionality to get specific blocks Transaction Detail
  1. Security:
  • Environment Variables: Ensure sensitive data like RPC URLs and API keys are securely managed using environment variables and limit API calls. Restrict API calls only to required Resources.
  • Error Handling: Improve error handling to avoid exposing sensitive information. Ensure all errors are properly logged.
  • Dependency Updates: Regularly update dependencies to patch known vulnerabilities.
  1. Scalability:
  • Asynchronous Operations: Ensure all I/O-bound operations are asynchronous to improve scalability. This is already partially implemented using tokio.
  • Caching: Implement caching for frequently accessed data, such as token metadata, to reduce the load on the provider. This is partially implemented for token decimalparsing by caching data locally using HashMap.
  1. Maintainability:
  • Modularization: Further modularize the code to separate concerns. For example, separate the CLI parsing, business logic, and data access layers.
  • Documentation: Add comprehensive documentation and comments to make the codebase easier to understand and maintain.
  • Testing: Increase test coverage, including unit tests and integration tests, to ensure code reliability. This is partially implemented for test_fetch_transactions_between and test_fetch_transfers functions.
  1. Speed:
  • Parallel Processing: Use parallel processing where possible, such as fetching multiple token transfers concurrently.
  • Efficient Data Structures: Use efficient data structures and algorithms to handle large datasets.
  • Batched Requests: Implement batched requests if possible to reduce overhead and latency.
  1. Use of 3rd party tools:
  • Logging: Integrate a robust logging framework like log or slog to capture and manage logs effectively.
  • Monitoring: Use monitoring tools like Prometheus and Grafana to monitor the application's performance and health.
  • Indexing Protocol: Use an indexing protocol like The Graph or Covalent APIs for efficient data querying.
  1. Modern approach:
  • Web3 Tools: Use Tools and Libraries like Foundry, Mocha, Chai, etc for smart contract interaction and testing.
  • Blockhcain Query: Use GraphQL for querying blockchain data more flexibly and efficiently.

License

MIT License

Appendix

  1. List of Public RPC URLS : https://www.comparenodes.com/library/public-endpoints
  2. Chiliz Blockchain Explorer : https://chiliscan.com
  3. Ethereum Blockchain Explorer: https://etherscan.io

About

TokenTrail is a command-line tool for tracking ERC-20 token transfers on various EVM compatible blockchains.

Topics

rust ethereum blockchain transaction wallet token web3 evm erc20

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