Impact

CALLCODE/DELEGATECALL call handle_transfer twice

• https://github.com/cryptape/godwoken-internal/issues/687#issuecomment-1110506900

Patches

image: ghcr.io/nervosnetwork/godwoken-prebuilds:v0.10.4-hotfix (mainet_v0 updated)

Solution

CALLCODE/DELEGATECALL should skip transfer

References

• https://github.com/cryptape/godwoken-internal/issues/687
• https://github.com/ethereum/go-ethereum/blob/a52bcccfe1fd9b10d27bff1121a8465982af7714/core/vm/evm.go#L302
• https://github.com/ethereum/go-ethereum/blob/a52bcccfe1fd9b10d27bff1121a8465982af7714/core/vm/evm.go#L259-L265

For more information

• https://ethereum.stackexchange.com/questions/102605/why-cant-you-specify-the-message-value-when-using-delegatecall
• https://ethereum.stackexchange.com/questions/3667/difference-between-call-callcode-and-delegatecall