BlockChain

This repositories is for recording all the results by learning BlockChain.

DefiHackPoc

List of Exploits

20221212 Mev

20221201 APC

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20221212 - Mev - DSPFlashLoanCall Lack of Permission Check

Lost: $1.3K

Exploiting

forge test --contracts ./src/test/Mev_Lack_Permission_Check_exp.t.sol -vvv

Contract

Mev_Lack_Permission_Check_exp.t.sol

Link reference

https://etherscan.io/tx/0x313d23bdd9277717e3088f32c976479c09d4b8a94d5d94deb835d157fd0850ce

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20221201 - APC - FlashLoan & price manipulation

Lost: $6K

Exploiting

forge test --contracts ./src/test/APC_exp.t.sol -vvv

Contract

APC_exp.t.sol

Link reference

https://bscscan.com/tx/0xf2d4559aeb945fb8e4304da5320ce6a2a96415aa70286715c9fcaf5dbd9d7ed2

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MISC

List of Scripts

1.Crack0Address-ByGolang

address.go is a golang code for generate ethernum network address start with 0x00000000

$ go mod init address 

$ go get github.com/ethereum/go-ethereum/common/hexutil

$ go get github.com/ethereum/go-ethereum/crypto

$ GOOS=linux GOARCH=amd64 go build -o bin/address address.go

$ ./address