DApp Collection

Some programs to get DApp metadata

The dataset is used in "A First Look at Blockchain-based Decentralized Applications" (Wu, K, Ma, Y, Huang, G, Liu, X. A first look at blockchain‐based decentralized applications. Softw: Pract Exper. 2019; 1– 18.)

workspace/stateofthedapps.py

Get dapps' metadata from stateofthedapps.com

Output

• workspace/result/stateofthedapps-xxxxxx.json

workspace/con_list_generate.py

Generate contract table from stateofthedapps.com

Output

• workspace/result/xxxxxx/con_list.json : dapp to contract
• workspace/result/xxxxxx/con_reverse_list.json : contract to dapp

workspace/contract_creation_txn_getter.py

Get contract creation transactions from etherscan.io

Output

• workspace/result/xxxxxx/con_creation_txn.json : contract to transaction

workspace/get_txns.py

Get related transactions by contract from etherscan.io

Output

• workspace/result/xxxxxx/txns : Some json files that keep transactions. Each contract's related transactions are saved in a directory named the contract.

workspace/get_internal_txns.py

Get related internal transactions by contract from etherscan.io

Output

• workspace/result/xxxxxx/internal_txns : Some json files that keep internal transactions. Each contract's related internal transactions are saved in a directory named the contract.

workspace/webDataUtils

A simple tool