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86 lines
2.6 KiB
86 lines
2.6 KiB
2 years ago
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// Copyright 2023 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 misc
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import (
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"fmt"
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"math/big"
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"testing"
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"github.com/ethereum/go-ethereum/params"
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)
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func TestCalcBlobFee(t *testing.T) {
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tests := []struct {
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excessDataGas int64
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blobfee int64
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}{
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{0, 1},
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{1542706, 1},
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{1542707, 2},
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{10 * 1024 * 1024, 111},
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}
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have := CalcBlobFee(nil)
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if have.Int64() != params.BlobTxMinDataGasprice {
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t.Errorf("nil test: blobfee mismatch: have %v, want %v", have, params.BlobTxMinDataGasprice)
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}
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for i, tt := range tests {
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have := CalcBlobFee(big.NewInt(tt.excessDataGas))
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if have.Int64() != tt.blobfee {
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t.Errorf("test %d: blobfee mismatch: have %v want %v", i, have, tt.blobfee)
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}
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}
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}
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func TestFakeExponential(t *testing.T) {
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tests := []struct {
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factor int64
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numerator int64
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denominator int64
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want int64
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}{
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// When numerator == 0 the return value should always equal the value of factor
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{1, 0, 1, 1},
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{38493, 0, 1000, 38493},
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{0, 1234, 2345, 0}, // should be 0
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{1, 2, 1, 6}, // approximate 7.389
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{1, 4, 2, 6},
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{1, 3, 1, 16}, // approximate 20.09
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{1, 6, 2, 18},
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{1, 4, 1, 49}, // approximate 54.60
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{1, 8, 2, 50},
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{10, 8, 2, 542}, // approximate 540.598
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{11, 8, 2, 596}, // approximate 600.58
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{1, 5, 1, 136}, // approximate 148.4
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{1, 5, 2, 11}, // approximate 12.18
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{2, 5, 2, 23}, // approximate 24.36
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{1, 50000000, 2225652, 5709098764},
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}
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for i, tt := range tests {
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f, n, d := big.NewInt(tt.factor), big.NewInt(tt.numerator), big.NewInt(tt.denominator)
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original := fmt.Sprintf("%d %d %d", f, n, d)
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have := fakeExponential(f, n, d)
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if have.Int64() != tt.want {
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t.Errorf("test %d: fake exponential mismatch: have %v want %v", i, have, tt.want)
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}
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later := fmt.Sprintf("%d %d %d", f, n, d)
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if original != later {
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t.Errorf("test %d: fake exponential modified arguments: have\n%v\nwant\n%v", i, later, original)
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}
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}
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}
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