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Increase cron gas

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Make gas check overflow safe
This commit is contained in:
Jakub Sztandera 2020-07-17 19:49:55 +02:00
parent 389d148a60
commit aafafce083
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GPG Key ID: 9A9AF56F8B3879BA
2 changed files with 4 additions and 2 deletions
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3
chain/stmgr/stmgr.go
View File

@ -8,6 +8,7 @@ import (
"github.com/filecoin-project/go-address"
amt "github.com/filecoin-project/go-amt-ipld/v2"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/state"
"github.com/filecoin-project/lotus/chain/store"
@ -236,7 +237,7 @@ func (sm *StateManager) ApplyBlocks(ctx context.Context, pstate cid.Cid, bms []B
Nonce: ca.Nonce,
Value: types.NewInt(0),
GasPrice: types.NewInt(0),
GasLimit: 1 << 30, // Make super sure this is never too little
GasLimit: build.BlockGasLimit * 10, // Make super sure this is never too little
Method: builtin.MethodsCron.EpochTick,
Params: nil,
}

3
chain/vm/runtime.go
View File

@ -550,7 +550,8 @@ func (rt *Runtime) chargeGasInternal(gas GasCharge, skip int) aerrors.ActorError
rt.lastGasChargeTime = now
rt.lastGasCharge = &gasTrace
if rt.gasUsed+toUse > rt.gasAvailable {
// overflow safe
if rt.gasUsed > rt.gasAvailable-toUse {
rt.gasUsed = rt.gasAvailable
return aerrors.Newf(exitcode.SysErrOutOfGas, "not enough gas: used=%d, available=%d",
rt.gasUsed, rt.gasAvailable)