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