mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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065f82a8cc
* accounts, ethclient: minor tweaks on the new simulated backend * ethclient/simulated: add an initial batch of gas options * accounts, ethclient: remove mandatory gasLimit constructor param * accounts, ethclient: minor option naming tweaks
74 lines
2.5 KiB
Go
74 lines
2.5 KiB
Go
// Copyright 2024 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 simulated
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import (
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"context"
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"math/big"
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"strings"
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"testing"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/params"
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)
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// Tests that the simulator starts with the initial gas limit in the genesis block,
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// and that it keeps the same target value.
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func TestWithBlockGasLimitOption(t *testing.T) {
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// Construct a simulator, targeting a different gas limit
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sim := NewBackend(core.GenesisAlloc{}, WithBlockGasLimit(12_345_678))
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defer sim.Close()
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client := sim.Client()
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genesis, err := client.BlockByNumber(context.Background(), big.NewInt(0))
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if err != nil {
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t.Fatalf("failed to retrieve genesis block: %v", err)
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}
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if genesis.GasLimit() != 12_345_678 {
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t.Errorf("genesis gas limit mismatch: have %v, want %v", genesis.GasLimit(), 12_345_678)
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}
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// Produce a number of blocks and verify the locked in gas target
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sim.Commit()
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head, err := client.BlockByNumber(context.Background(), big.NewInt(1))
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if err != nil {
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t.Fatalf("failed to retrieve head block: %v", err)
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}
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if head.GasLimit() != 12_345_678 {
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t.Errorf("head gas limit mismatch: have %v, want %v", head.GasLimit(), 12_345_678)
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}
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}
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// Tests that the simulator honors the RPC call caps set by the options.
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func TestWithCallGasLimitOption(t *testing.T) {
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// Construct a simulator, targeting a different gas limit
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sim := NewBackend(core.GenesisAlloc{
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testAddr: {Balance: big.NewInt(10000000000000000)},
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}, WithCallGasLimit(params.TxGas-1))
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defer sim.Close()
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client := sim.Client()
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_, err := client.CallContract(context.Background(), ethereum.CallMsg{
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From: testAddr,
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To: &testAddr,
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Gas: 21000,
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}, nil)
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if !strings.Contains(err.Error(), core.ErrIntrinsicGas.Error()) {
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t.Fatalf("error mismatch: have %v, want %v", err, core.ErrIntrinsicGas)
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}
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}
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