-
Notifications
You must be signed in to change notification settings - Fork 19.7k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
accounts, ethclient: minor tweaks on the new simulated backend (#28799)
* 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
- Loading branch information
Showing
6 changed files
with
158 additions
and
51 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| // Copyright 2024 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 simulated | ||
|
|
||
| import ( | ||
| "github.com/ethereum/go-ethereum/eth/ethconfig" | ||
| "github.com/ethereum/go-ethereum/node" | ||
| ) | ||
|
|
||
| // WithBlockGasLimit configures the simulated backend to target a specific gas limit | ||
| // when producing blocks. | ||
| func WithBlockGasLimit(gaslimit uint64) func(nodeConf *node.Config, ethConf *ethconfig.Config) { | ||
| return func(nodeConf *node.Config, ethConf *ethconfig.Config) { | ||
| ethConf.Genesis.GasLimit = gaslimit | ||
| ethConf.Miner.GasCeil = gaslimit | ||
| } | ||
| } | ||
|
|
||
| // WithCallGasLimit configures the simulated backend to cap eth_calls to a specific | ||
| // gas limit when running client operations. | ||
| func WithCallGasLimit(gaslimit uint64) func(nodeConf *node.Config, ethConf *ethconfig.Config) { | ||
| return func(nodeConf *node.Config, ethConf *ethconfig.Config) { | ||
| ethConf.RPCGasCap = gaslimit | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| // Copyright 2024 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 simulated | ||
|
|
||
| import ( | ||
| "context" | ||
| "math/big" | ||
| "strings" | ||
| "testing" | ||
|
|
||
| "github.com/ethereum/go-ethereum" | ||
| "github.com/ethereum/go-ethereum/core" | ||
| "github.com/ethereum/go-ethereum/params" | ||
| ) | ||
|
|
||
| // Tests that the simulator starts with the initial gas limit in the genesis block, | ||
| // and that it keeps the same target value. | ||
| func TestWithBlockGasLimitOption(t *testing.T) { | ||
| // Construct a simulator, targeting a different gas limit | ||
| sim := NewBackend(core.GenesisAlloc{}, WithBlockGasLimit(12_345_678)) | ||
| defer sim.Close() | ||
|
|
||
| client := sim.Client() | ||
| genesis, err := client.BlockByNumber(context.Background(), big.NewInt(0)) | ||
| if err != nil { | ||
| t.Fatalf("failed to retrieve genesis block: %v", err) | ||
| } | ||
| if genesis.GasLimit() != 12_345_678 { | ||
| t.Errorf("genesis gas limit mismatch: have %v, want %v", genesis.GasLimit(), 12_345_678) | ||
| } | ||
| // Produce a number of blocks and verify the locked in gas target | ||
| sim.Commit() | ||
| head, err := client.BlockByNumber(context.Background(), big.NewInt(1)) | ||
| if err != nil { | ||
| t.Fatalf("failed to retrieve head block: %v", err) | ||
| } | ||
| if head.GasLimit() != 12_345_678 { | ||
| t.Errorf("head gas limit mismatch: have %v, want %v", head.GasLimit(), 12_345_678) | ||
| } | ||
| } | ||
|
|
||
| // Tests that the simulator honors the RPC call caps set by the options. | ||
| func TestWithCallGasLimitOption(t *testing.T) { | ||
| // Construct a simulator, targeting a different gas limit | ||
| sim := NewBackend(core.GenesisAlloc{ | ||
| testAddr: {Balance: big.NewInt(10000000000000000)}, | ||
| }, WithCallGasLimit(params.TxGas-1)) | ||
| defer sim.Close() | ||
|
|
||
| client := sim.Client() | ||
| _, err := client.CallContract(context.Background(), ethereum.CallMsg{ | ||
| From: testAddr, | ||
| To: &testAddr, | ||
| Gas: 21000, | ||
| }, nil) | ||
| if !strings.Contains(err.Error(), core.ErrIntrinsicGas.Error()) { | ||
| t.Fatalf("error mismatch: have %v, want %v", err, core.ErrIntrinsicGas) | ||
| } | ||
| } |