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Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>
This commit is contained in:
Jakub Sztandera 2020-09-10 16:26:34 +02:00 committed by Aayush Rajasekaran
parent fd714cbceb
commit 6813ab4e65
3 changed files with 29 additions and 9 deletions
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4
chain/store/basefee.go
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@ -11,7 +11,7 @@ import (
"golang.org/x/xerrors"
)
func computeNextBaseFee(baseFee types.BigInt, gasLimitUsed int64, noOfBlocks int, epoch abi.ChainEpoch) types.BigInt {
func ComputeNextBaseFee(baseFee types.BigInt, gasLimitUsed int64, noOfBlocks int, epoch abi.ChainEpoch) types.BigInt {
// deta := gasLimitUsed/noOfBlocks - build.BlockGasTarget
// change := baseFee * deta / BlockGasTarget
// nextBaseFee = baseFee + change
@ -79,5 +79,5 @@ func (cs *ChainStore) ComputeBaseFee(ctx context.Context, ts *types.TipSet) (abi
}
parentBaseFee := ts.Blocks()[0].ParentBaseFee
return computeNextBaseFee(parentBaseFee, totalLimit, len(ts.Blocks()), ts.Height()), nil
return ComputeNextBaseFee(parentBaseFee, totalLimit, len(ts.Blocks()), ts.Height()), nil
}

2
chain/store/basefee_test.go
View File

@ -27,7 +27,7 @@ func TestBaseFee(t *testing.T) {
for _, test := range tests {
test := test
t.Run(fmt.Sprintf("%v", test), func(t *testing.T) {
output := computeNextBaseFee(types.NewInt(test.basefee), test.limitUsed, test.noOfBlocks, 0)
output := ComputeNextBaseFee(types.NewInt(test.basefee), test.limitUsed, test.noOfBlocks, 0)
assert.Equal(t, fmt.Sprintf("%d", test.output), output.String())
})
}

32
tools/stats/metrics.go
View File

@ -5,6 +5,7 @@ import (
"context"
"encoding/json"
"fmt"
"math"
"math/big"
"strings"
"time"
@ -12,6 +13,7 @@ import (
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/store"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/specs-actors/actors/builtin"
"github.com/filecoin-project/specs-actors/actors/builtin/power"
@ -131,12 +133,6 @@ func RecordTipsetPoints(ctx context.Context, api api.FullNode, pl *PointList, ti
p = NewPoint("chain.blocktime", tsTime.Unix())
pl.AddPoint(p)
baseFeeBig := tipset.Blocks()[0].ParentBaseFee.Copy()
baseFeeRat := new(big.Rat).SetFrac(baseFeeBig.Int, new(big.Int).SetUint64(build.FilecoinPrecision))
baseFeeFloat, _ := baseFeeRat.Float64()
p = NewPoint("chain.basefee", baseFeeFloat)
pl.AddPoint(p)
totalGasLimit := int64(0)
totalUniqGasLimit := int64(0)
seen := make(map[cid.Cid]struct{})
@ -178,6 +174,30 @@ func RecordTipsetPoints(ctx context.Context, api api.FullNode, pl *PointList, ti
p = NewPoint("chain.gas_limit_uniq_total", totalUniqGasLimit)
pl.AddPoint(p)
{
baseFeeIn := tipset.Blocks()[0].ParentBaseFee
newBaseFee := store.ComputeNextBaseFee(baseFeeIn, totalUniqGasLimit, len(tipset.Blocks()), tipset.Height())
baseFeeRat := new(big.Rat).SetFrac(newBaseFee.Int, new(big.Int).SetUint64(build.FilecoinPrecision))
baseFeeFloat, _ := baseFeeRat.Float64()
p = NewPoint("chain.basefee", baseFeeFloat)
pl.AddPoint(p)
baseFeeChange := new(big.Rat).SetFrac(newBaseFee.Int, baseFeeIn.Int)
baseFeeChangeF, _ := baseFeeChange.Float64()
p = NewPoint("chain.basefee_change_log", math.Log(baseFeeChangeF)/math.Log(1.125))
pl.AddPoint(p)
}
{
blks := len(cids)
p = NewPoint("chain.gas_fill_ratio", float64(totalGasLimit)/float64(blks*build.BlockGasTarget))
pl.AddPoint(p)
p = NewPoint("chain.gas_capacity_ratio", float64(totalUniqGasLimit)/float64(blks*build.BlockGasTarget))
pl.AddPoint(p)
p = NewPoint("chain.gas_waste_ratio", float64(totalGasLimit-totalUniqGasLimit)/float64(blks*build.BlockGasTarget))
pl.AddPoint(p)
}
return nil
}