erigon-pulse/eth/gasprice/feehistory_test.go

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// Copyright 2021 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package gasprice_test
import (
"context"
"errors"
"testing"
"github.com/ledgerwatch/erigon/eth/gasprice"
"github.com/ledgerwatch/erigon/eth/gasprice/gaspricecfg"
"github.com/ledgerwatch/erigon/rpc"
"github.com/ledgerwatch/erigon/turbo/jsonrpc"
)
func TestFeeHistory(t *testing.T) {
var cases = []struct {
pending bool
maxHeader, maxBlock int
count int
last rpc.BlockNumber
percent []float64
expFirst uint64
expCount int
expErr error
}{
{false, 0, 0, 10, 30, nil, 21, 10, nil},
{false, 0, 0, 10, 30, []float64{0, 10}, 21, 10, nil},
{false, 0, 0, 10, 30, []float64{20, 10}, 0, 0, gasprice.ErrInvalidPercentile},
{false, 0, 0, 1000000000, 30, nil, 0, 31, nil},
{false, 0, 0, 1000000000, rpc.LatestBlockNumber, nil, 0, 33, nil},
{false, 0, 0, 10, 40, nil, 0, 0, gasprice.ErrRequestBeyondHead},
//{true, 0, 0, 10, 40, nil, 0, 0, gasprice.ErrRequestBeyondHead},
{false, 20, 2, 100, rpc.LatestBlockNumber, nil, 13, 20, nil},
{false, 20, 2, 100, rpc.LatestBlockNumber, []float64{0, 10}, 31, 2, nil},
{false, 20, 2, 100, 32, []float64{0, 10}, 31, 2, nil},
{false, 0, 0, 1, rpc.PendingBlockNumber, nil, 0, 0, nil},
{false, 0, 0, 2, rpc.PendingBlockNumber, nil, 32, 1, nil},
//{true, 0, 0, 2, rpc.PendingBlockNumber, nil, 32, 2, nil},
//{true, 0, 0, 2, rpc.PendingBlockNumber, []float64{0, 10}, 32, 2, nil},
}
for i, c := range cases {
config := gaspricecfg.Config{
MaxHeaderHistory: c.maxHeader,
MaxBlockHistory: c.maxBlock,
}
backend := newTestBackend(t) //, big.NewInt(16), c.pending)
cache := jsonrpc.NewGasPriceCache()
oracle := gasprice.NewOracle(backend, config, cache)
first, reward, baseFee, ratio, err := oracle.FeeHistory(context.Background(), c.count, c.last, c.percent)
expReward := c.expCount
if len(c.percent) == 0 {
expReward = 0
}
expBaseFee := c.expCount
if expBaseFee != 0 {
expBaseFee++
}
if first.Uint64() != c.expFirst {
t.Fatalf("Test case %d: first block mismatch, want %d, got %d", i, c.expFirst, first)
}
if len(reward) != expReward {
t.Fatalf("Test case %d: reward array length mismatch, want %d, got %d", i, expReward, len(reward))
}
if len(baseFee) != expBaseFee {
t.Fatalf("Test case %d: baseFee array length mismatch, want %d, got %d", i, expBaseFee, len(baseFee))
}
if len(ratio) != c.expCount {
t.Fatalf("Test case %d: gasUsedRatio array length mismatch, want %d, got %d", i, c.expCount, len(ratio))
}
if err != c.expErr && !errors.Is(err, c.expErr) {
t.Fatalf("Test case %d: error mismatch, want %v, got %v", i, c.expErr, err)
}
}
}