cerc-io/lotus
16
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 27 Wiki Activity

fix: eth: correctly return empty bytecode after selfdestruct

Browse Source
This commit is contained in:
Steven Allen 2023-02-10 14:40:31 -08:00
parent 37e1ac5d93
commit a085eb1593
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
node/impl/full/eth.go
View File

@ -479,12 +479,16 @@ func (a *EthModule) EthGetCode(ctx context.Context, ethAddr ethtypes.EthAddress,
return nil, xerrors.Errorf("message execution failed: exit %s, reason: %s", res.MsgRct.ExitCode, res.Error)
}
var bytecodeCid cbg.CborCid
if err := bytecodeCid.UnmarshalCBOR(bytes.NewReader(res.MsgRct.Return)); err != nil {
var getBytecodeReturn evm.GetBytecodeReturn
if err := getBytecodeReturn.UnmarshalCBOR(bytes.NewReader(res.MsgRct.Return)); err != nil {
return nil, fmt.Errorf("failed to decode EVM bytecode CID: %w", err)
}
// The contract has selfdestructed, so the code is "empty".
if getBytecodeReturn.Cid == nil {
return nil, nil
}
blk, err := a.Chain.StateBlockstore().Get(ctx, cid.Cid(bytecodeCid))
blk, err := a.Chain.StateBlockstore().Get(ctx, *getBytecodeReturn.Cid)
if err != nil {
return nil, fmt.Errorf("failed to get EVM bytecode: %w", err)
}