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Bugfix: Correctly transfer gas when failing to charge for retValue

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This commit is contained in:
Aayush Rajasekaran 2020-05-06 16:53:32 -04:00
parent 523a7a9d8d
commit 187e386740
1 changed files with 17 additions and 19 deletions
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30
chain/vm/vm.go
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@ -360,27 +360,25 @@ func (vm *VM) ApplyMessage(ctx context.Context, cmsg types.ChainMsg) (*ApplyRet,
return nil, xerrors.Errorf("[from=%s,to=%s,n=%d,m=%d,h=%d] fatal error: %w", msg.From, msg.To, msg.Nonce, msg.Method, vm.blockHeight, actorErr)
}
{
if actorErr != nil {
log.Warnw("Send actor error", "from", msg.From, "to", msg.To, "nonce", msg.Nonce, "method", msg.Method, "height", vm.blockHeight, "error", fmt.Sprintf("%+v", actorErr))
}
if actorErr != nil && len(ret) != 0 {
// This should not happen, something is wonky
return nil, xerrors.Errorf("message invocation errored, but had a return value anyway: %w", actorErr)
}
if rt == nil {
return nil, xerrors.Errorf("send returned nil runtime, send error was: %s", actorErr)
}
actorErr2 := rt.chargeGasSafe(rt.Pricelist().OnChainReturnValue(len(ret)))
if actorErr2 != nil {
return &ApplyRet{
MessageReceipt: types.MessageReceipt{
ExitCode: aerrors.RetCode(actorErr2),
GasUsed: rt.gasUsed,
},
ActorErr: actorErr2,
Penalty: types.NewInt(0),
Duration: time.Since(start),
}, nil
}
}
if len(ret) != 0 {
// safely override actorErr since it must be nil
actorErr = rt.chargeGasSafe(rt.Pricelist().OnChainReturnValue(len(ret)))
if actorErr != nil {
log.Warnw("Send actor error", "from", msg.From, "to", msg.To, "nonce", msg.Nonce, "method", msg.Method, "height", vm.blockHeight, "error", fmt.Sprintf("%+v", actorErr))
ret = nil
}
}
var errcode exitcode.ExitCode