mirror of https://github.com/poanetwork/quorum.git
Fix for issue 576 where private transactions can cause block gas limit to be exceeded, leading to BAD BLOCK.
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@ -162,9 +162,7 @@ func (st *StateTransition) buyGas() error {
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if st.state.GetBalance(st.msg.From()).Cmp(mgval) < 0 {
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return errInsufficientBalanceForGas
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}
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log.Info("======== Attempting to subtract gas", "gasToSubtract", st.msg.Gas(), "gas", st.gp.Gas())
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if err := st.gp.SubGas(st.msg.Gas()); err != nil {
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log.Info("======== Subtraction failed!!!", "err", err)
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return err
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}
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st.gas += st.msg.Gas()
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@ -220,7 +218,6 @@ func (st *StateTransition) TransitionDb() (ret []byte, usedGas uint64, failed bo
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data = st.data
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}
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log.Info("======== remaining gas prior to IntrinsicGas()", "gas", st.gas)
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// Pay intrinsic gas. For a private contract this is done using the public hash passed in,
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// not the private data retrieved above. This is because we need any (participant) validator
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// node to get the same result as a (non-participant) minter node, to avoid out-of-gas issues.
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@ -231,7 +228,6 @@ func (st *StateTransition) TransitionDb() (ret []byte, usedGas uint64, failed bo
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if err = st.useGas(gas); err != nil {
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return nil, 0, false, err
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}
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log.Info("======== remaining gas after IntrinsicGas()", "gas", st.gas)
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var (
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leftoverGas uint64
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@ -273,20 +269,16 @@ func (st *StateTransition) TransitionDb() (ret []byte, usedGas uint64, failed bo
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}
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}
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//Pay gas used during contract creation or execution (st.gas tracks remaining gas)
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//However, if private contract then we don't want to do this else we could
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//have a mismatch between a (non-participant) minter and (participant) validator,
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//which can cause a 'BAD BLOCK' crash.
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// Pay gas used during contract creation or execution (st.gas tracks remaining gas)
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// However, if private contract then we don't want to do this else we can get
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// a mismatch between a (non-participant) minter and (participant) validator,
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// which can cause a 'BAD BLOCK' crash.
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if !isPrivate {
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st.gas = leftoverGas
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log.Info("======== setting leftoverGas for public transaction after Create or Call", "gas", st.gas)
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}
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log.Info("======== left over gas to be refunded", "gas", st.gas)
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log.Info("======== remaining gas prior to refundGas()", "gas", st.gas)
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st.refundGas()
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st.state.AddBalance(st.evm.Coinbase, new(big.Int).Mul(new(big.Int).SetUint64(st.gasUsed()), st.gasPrice))
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log.Info("======== remaining gas after refundGas()", "gas", st.gas)
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if isPrivate {
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return ret, 0, vmerr != nil, err
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