Contract_code

Source1: Jun.19th 2016 Vitalik Buterin blog. https://blog.ethereum.org/2016/06/19/thinking-smart-contract-security/

Source2: Apr.22th 2017 A survey of attacks on Ethereum smart contracts https://eprint.iacr.org/2016/1007.pdf

Source3: 2017 DappGuard : Active Monitoring and Defense for Solidity Smart Contracts https://courses.csail.mit.edu/6.857/2017/project/23.pdf

Contract_Bug_vulnerabilities_classification:

Call_unknown(solidity level) contains:

1. The newest Parity attack contract and the bug analysis.
2. The DAO attack has this problem, too, but the contract is listed in the Re-entrancy folder.

Gas-limit_Exception(solidity level) contains:

1. Government, a ponzi gambling trick.
2. KingOfTheEtherThrone.

Re-Entrancy(solidity level) contains:

1. The DAO attack contract and bug analysis.

Timestamp_dependence(blockchain level) contains:

1. lottopool contract and bug analysis.

Transanction_ordering_Dependence(blockchain level) contains:

1. one Sample_contract.

Variable_naming(solidity level) contains:

1. Rubixi contract and bug analysis.
2. FirePonzi contract and bug analysis.