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Merge pull request #3552 from filecoin-project/fix/fee-cap-premium

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Fix GasPremium capping logic
This commit is contained in:
Jakub Sztandera 2020-09-04 18:29:33 +02:00 committed by GitHub
commit d8a790a13c
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3 changed files with 6 additions and 10 deletions
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5
api/types.go
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@ -6,8 +6,8 @@ import (
"github.com/filecoin-project/go-address"
datatransfer "github.com/filecoin-project/go-data-transfer"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/specs-actors/actors/abi/big"
"github.com/filecoin-project/specs-actors/actors/builtin/miner"
"github.com/ipfs/go-cid"
@ -96,7 +96,8 @@ type MessageSendSpec struct {
}
var DefaultMessageSendSpec = MessageSendSpec{
MaxFee: big.Zero(),
// MaxFee of 0.1FIL
MaxFee: abi.NewTokenAmount(int64(build.FilecoinPrecision) / 10),
}
func (ms *MessageSendSpec) Get() MessageSendSpec {

4
cli/paych_test.go
View File

@ -127,7 +127,7 @@ func TestPaymentChannelStatus(t *testing.T) {
go func() {
// creator: paych get <creator> <receiver> <amount>
cmd = []string{creatorAddr.String(), receiverAddr.String(), fmt.Sprintf("%d", channelAmt)}
create <- creatorCLI.runCmd(paychGetCmd, cmd)
create <- creatorCLI.runCmd(paychAddFundsCmd, cmd)
}()
// Wait for the output to stop being "Channel does not exist"
@ -347,7 +347,7 @@ func TestPaymentChannelVoucherCreateShortfall(t *testing.T) {
// creator: paych get <creator> <receiver> <amount>
channelAmt := 100
cmd := []string{creatorAddr.String(), receiverAddr.String(), fmt.Sprintf("%d", channelAmt)}
chstr := creatorCLI.runCmd(paychGetCmd, cmd)
chstr := creatorCLI.runCmd(paychAddFundsCmd, cmd)
chAddr, err := address.NewFromString(chstr)
require.NoError(t, err)

7
node/impl/full/gas.go
View File

@ -217,16 +217,11 @@ func capGasFee(msg *types.Message, maxFee abi.TokenAmount) {
gl := types.NewInt(uint64(msg.GasLimit))
totalFee := types.BigMul(msg.GasFeeCap, gl)
minerFee := types.BigMul(msg.GasPremium, gl)
if totalFee.LessThanEqual(maxFee) {
return
}
// scale chain/miner fee down proportionally to fit in our budget
// TODO: there are probably smarter things we can do here to optimize
// message inclusion latency
msg.GasFeeCap = big.Div(maxFee, gl)
msg.GasPremium = big.Div(big.Div(big.Mul(minerFee, maxFee), totalFee), gl)
msg.GasPremium = big.Min(msg.GasFeeCap, msg.GasPremium) // cap premium at FeeCap
}