lotus/itests/eth_fee_history_test.go

196 lines
6.2 KiB
Go

package itests
import (
"context"
"encoding/json"
"sort"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/filecoin-project/go-jsonrpc"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/types/ethtypes"
"github.com/filecoin-project/lotus/itests/kit"
"github.com/filecoin-project/lotus/lib/result"
"github.com/filecoin-project/lotus/node/impl/full"
)
// calculateExpectations calculates the expected number of items to be included in the response
// of eth_feeHistory. It takes care of null rounds by finding the closet tipset with height
// smaller than startHeight, and then looks back at requestAmount of items. It also considers
// scenarios where there are not enough items to look back.
func calculateExpectations(tsHeights []int, requestAmount, startHeight int) (count, oldestHeight int) {
latestIdx := sort.SearchInts(tsHeights, startHeight)
// SearchInts returns the index of the number that's larger than the target if the target
// doesn't exist. However, we're looking for the closet number that's smaller that the target
for tsHeights[latestIdx] > startHeight {
latestIdx--
}
cnt := requestAmount
oldestIdx := latestIdx - requestAmount + 1
if oldestIdx < 0 {
cnt = latestIdx + 1
oldestIdx = 0
}
return cnt, tsHeights[oldestIdx]
}
func TestEthFeeHistory(t *testing.T) {
require := require.New(t)
kit.QuietAllLogsExcept()
blockTime := 100 * time.Millisecond
client, _, ens := kit.EnsembleMinimal(t, kit.MockProofs(), kit.ThroughRPC())
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
defer cancel()
heads, err := client.ChainNotify(ctx)
require.NoError(err)
// Save the full view of the tipsets to calculate the answer when there are null rounds
tsHeights := []int{1}
go func() {
for chg := range heads {
for _, c := range chg {
tsHeights = append(tsHeights, int(c.Val.Height()))
}
}
}()
miner := ens.InterconnectAll().BeginMining(blockTime)
client.WaitTillChain(ctx, kit.HeightAtLeast(7))
miner[0].InjectNulls(abi.ChainEpoch(5))
// Wait for the network to create at least 20 tipsets
client.WaitTillChain(ctx, kit.HeightAtLeast(20))
for _, m := range miner {
m.Pause()
}
ch, err := client.ChainNotify(ctx)
require.NoError(err)
// Wait for 5 seconds of inactivity
func() {
for {
select {
case <-ch:
continue
case <-time.After(5 * time.Second):
return
}
}
}()
sort.Ints(tsHeights)
// because of the deferred execution, the last tipset is not executed yet,
// and the one before the last one is the last executed tipset,
// which corresponds to the "latest" tag in EthGetBlockByNumber
latestBlk := ethtypes.EthUint64(tsHeights[len(tsHeights)-2])
blk, err := client.EthGetBlockByNumber(ctx, "latest", false)
require.NoError(err)
require.Equal(blk.Number, latestBlk)
assertHistory := func(history *ethtypes.EthFeeHistory, requestAmount, startHeight int) {
amount, oldest := calculateExpectations(tsHeights, requestAmount, startHeight)
require.Equal(amount+1, len(history.BaseFeePerGas))
require.Equal(amount, len(history.GasUsedRatio))
require.Equal(ethtypes.EthUint64(oldest), history.OldestBlock)
}
history, err := client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{5, "0x10"}),
).Assert(require.NoError))
require.NoError(err)
assertHistory(&history, 5, 16)
require.Nil(history.Reward)
history, err = client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{"5", "0x10"}),
).Assert(require.NoError))
require.NoError(err)
assertHistory(&history, 5, 16)
require.Nil(history.Reward)
history, err = client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{5, "latest"}),
).Assert(require.NoError))
require.NoError(err)
assertHistory(&history, 5, int(latestBlk))
require.Nil(history.Reward)
history, err = client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{"0x10", "0x12"}),
).Assert(require.NoError))
require.NoError(err)
assertHistory(&history, 16, 18)
require.Nil(history.Reward)
history, err = client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{5, "0x10"}),
).Assert(require.NoError))
require.NoError(err)
assertHistory(&history, 5, 16)
require.Nil(history.Reward)
history, err = client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{5, "10"}),
).Assert(require.NoError))
require.NoError(err)
assertHistory(&history, 5, 10)
require.Nil(history.Reward)
// test when the requested number of blocks is longer than chain length
history, err = client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{"0x30", "latest"}),
).Assert(require.NoError))
require.NoError(err)
assertHistory(&history, 48, int(latestBlk))
require.Nil(history.Reward)
// test when the requested number of blocks is longer than chain length
history, err = client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{"0x30", "10"}),
).Assert(require.NoError))
require.NoError(err)
assertHistory(&history, 48, 10)
require.Nil(history.Reward)
history, err = client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{5, "10", &[]float64{25, 50, 75}}),
).Assert(require.NoError))
require.NoError(err)
assertHistory(&history, 5, 10)
require.NotNil(history.Reward)
require.Equal(5, len(*history.Reward))
for _, arr := range *history.Reward {
require.Equal(3, len(arr))
for _, item := range arr {
require.Equal(ethtypes.EthBigInt(types.NewInt(full.MinGasPremium)), item)
}
}
history, err = client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{1025, "10", &[]float64{25, 50, 75}}),
).Assert(require.NoError))
require.Error(err)
history, err = client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{5, "10", &[]float64{75, 50}}),
).Assert(require.NoError))
require.Error(err)
history, err = client.EthFeeHistory(ctx, result.Wrap[jsonrpc.RawParams](
json.Marshal([]interface{}{5, "10", &[]float64{}}),
).Assert(require.NoError))
require.NoError(err)
}