mirror of
https://github.com/luxfi/evm.git
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zeekay
8bc9dd01a8
- Change Go version from 1.24.6 to 1.22.8 (stable version) - Ensure all build scripts have executable permissions - Fix covdata issue by using stable Go version - CI should now pass all checks
136 lines
4.2 KiB
Go
136 lines
4.2 KiB
Go
// Copyright (C) 2019-2025, Lux Industries, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package dummy
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import (
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"math"
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"math/big"
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"testing"
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"github.com/luxfi/evm/commontype"
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"github.com/luxfi/evm/plugin/evm/header"
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"github.com/luxfi/geth/common"
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"github.com/luxfi/geth/core/types"
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)
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var testFeeConfig = commontype.FeeConfig{
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MinBlockGasCost: big.NewInt(0),
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MaxBlockGasCost: big.NewInt(1_000_000),
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TargetBlockRate: 2,
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BlockGasCostStep: big.NewInt(50_000),
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TargetGas: big.NewInt(10_000_000),
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BaseFeeChangeDenominator: big.NewInt(12),
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}
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func TestVerifyBlockFee(t *testing.T) {
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tests := map[string]struct {
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baseFee *big.Int
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parentBlockGasCost *big.Int
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timeElapsed uint64
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txs []*types.Transaction
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receipts []*types.Receipt
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shouldErr bool
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}{
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"tx only base fee": {
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baseFee: big.NewInt(100),
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parentBlockGasCost: big.NewInt(0),
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timeElapsed: 0,
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txs: []*types.Transaction{
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types.NewTransaction(0, common.HexToAddress("7ef5a6135f1fd6a02593eedc869c6d41d934aef8"), big.NewInt(0), 100, big.NewInt(100), nil),
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},
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receipts: []*types.Receipt{
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{GasUsed: 1000},
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},
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shouldErr: true,
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},
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"tx covers exactly block fee": {
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baseFee: big.NewInt(100),
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parentBlockGasCost: big.NewInt(0),
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timeElapsed: 0,
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txs: []*types.Transaction{
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types.NewTransaction(0, common.HexToAddress("7ef5a6135f1fd6a02593eedc869c6d41d934aef8"), big.NewInt(0), 100_000, big.NewInt(200), nil),
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},
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receipts: []*types.Receipt{
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{GasUsed: 100_000},
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},
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shouldErr: false,
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},
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"txs share block fee": {
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baseFee: big.NewInt(100),
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parentBlockGasCost: big.NewInt(0),
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timeElapsed: 0,
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txs: []*types.Transaction{
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types.NewTransaction(0, common.HexToAddress("7ef5a6135f1fd6a02593eedc869c6d41d934aef8"), big.NewInt(0), 100_000, big.NewInt(200), nil),
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types.NewTransaction(1, common.HexToAddress("7ef5a6135f1fd6a02593eedc869c6d41d934aef8"), big.NewInt(0), 100_000, big.NewInt(100), nil),
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},
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receipts: []*types.Receipt{
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{GasUsed: 100_000},
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{GasUsed: 100_000},
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},
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shouldErr: false,
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},
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"txs split block fee": {
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baseFee: big.NewInt(100),
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parentBlockGasCost: big.NewInt(0),
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timeElapsed: 0,
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txs: []*types.Transaction{
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types.NewTransaction(0, common.HexToAddress("7ef5a6135f1fd6a02593eedc869c6d41d934aef8"), big.NewInt(0), 100_000, big.NewInt(150), nil),
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types.NewTransaction(1, common.HexToAddress("7ef5a6135f1fd6a02593eedc869c6d41d934aef8"), big.NewInt(0), 100_000, big.NewInt(150), nil),
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},
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receipts: []*types.Receipt{
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{GasUsed: 100_000},
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{GasUsed: 100_000},
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},
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shouldErr: false,
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},
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"tx only base fee after full time window": {
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baseFee: big.NewInt(100),
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parentBlockGasCost: big.NewInt(500_000),
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timeElapsed: testFeeConfig.TargetBlockRate + 10,
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txs: []*types.Transaction{
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types.NewTransaction(0, common.HexToAddress("7ef5a6135f1fd6a02593eedc869c6d41d934aef8"), big.NewInt(0), 100, big.NewInt(100), nil),
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},
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receipts: []*types.Receipt{
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{GasUsed: 1000},
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},
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shouldErr: false,
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},
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"tx only base fee after large time window": {
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baseFee: big.NewInt(100),
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parentBlockGasCost: big.NewInt(100_000),
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timeElapsed: math.MaxUint64,
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txs: []*types.Transaction{
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types.NewTransaction(0, common.HexToAddress("7ef5a6135f1fd6a02593eedc869c6d41d934aef8"), big.NewInt(0), 100, big.NewInt(100), nil),
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},
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receipts: []*types.Receipt{
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{GasUsed: 1000},
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},
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shouldErr: false,
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},
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}
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for name, test := range tests {
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t.Run(name, func(t *testing.T) {
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blockGasCost := header.BlockGasCostWithStep(
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testFeeConfig,
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test.parentBlockGasCost,
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testFeeConfig.BlockGasCostStep.Uint64(),
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test.timeElapsed,
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)
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bigBlockGasCost := new(big.Int).SetUint64(blockGasCost)
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engine := NewFaker()
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if err := engine.verifyBlockFee(test.baseFee, bigBlockGasCost, test.txs, test.receipts); err != nil {
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if !test.shouldErr {
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t.Fatalf("Unexpected error: %s", err)
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}
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} else {
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if test.shouldErr {
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t.Fatal("Should have failed verification")
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}
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}
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})
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}
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}
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