forked from erigontech/erigon
-
Notifications
You must be signed in to change notification settings - Fork 40
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
7 changed files
with
219 additions
and
79 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
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| package core | ||
|
|
||
| import ( | ||
| "math/big" | ||
| "testing" | ||
|
|
||
| "github.com/ethereum/go-ethereum/core" | ||
| "github.com/ledgerwatch/erigon-lib/chain" | ||
| libcommon "github.com/ledgerwatch/erigon-lib/common" | ||
| "github.com/ledgerwatch/erigon-lib/kv/memdb" | ||
| "github.com/ledgerwatch/erigon/common" | ||
| "github.com/ledgerwatch/erigon/consensus" | ||
| "github.com/ledgerwatch/erigon/consensus/ethash" | ||
| "github.com/ledgerwatch/erigon/core/rawdb" | ||
| "github.com/ledgerwatch/erigon/core/types" | ||
| "github.com/ledgerwatch/erigon/core/vm" | ||
| "github.com/ledgerwatch/erigon/crypto" | ||
| "github.com/ledgerwatch/erigon/params" | ||
| ) | ||
|
|
||
| func postLondonConfig() *chain.Config { | ||
| config := *params.TestChainConfig | ||
| config.LondonBlock = big.NewInt(0) | ||
| return &config | ||
| } | ||
|
|
||
| func preLondonConfig() *chain.Config { | ||
| config := *params.TestChainConfig | ||
| config.LondonBlock = nil | ||
| return &config | ||
| } | ||
|
|
||
| func TestSelfDestructGasPreEIP3529(t *testing.T) { | ||
| bytecode := []byte{ | ||
| byte(vm.PC), | ||
| byte(vm.SELFDESTRUCT), | ||
| } | ||
|
|
||
| // Expected gas is (intrinsic + pc + cold load (due to legacy tx) + selfdestruct cost ) / 2 | ||
| // The refund of 24000 gas (i.e. params.SelfdestructRefundGas) is not applied since refunds pre-EIP3529 are | ||
| // capped to half of the transaction's gas. | ||
| expectedGasUsed := (params.TxGas + vm.GasQuickStep + params.ColdAccountAccessCostEIP2929 + params.SelfdestructGasEIP150) / 2 | ||
| testGasUsage(t, preLondonConfig(), ethash.NewFaker(), bytecode, nil, 60_000, expectedGasUsed) | ||
| } | ||
|
|
||
| func TestSstoreGasPreEIP3529(t *testing.T) { | ||
| bytecode := []byte{ | ||
| byte(vm.PUSH1), 0x3, // value | ||
| byte(vm.PUSH1), 0x3, // location | ||
| byte(vm.SSTORE), // Set slot[3] = 3 | ||
| } | ||
| // // Expected gas is intrinsic + 2*pushGas + cold load (due to legacy tx) + SstoreGas | ||
| expectedGasUsed := params.TxGas + 2*vm.GasFastestStep + params.ColdSloadCostEIP2929 + params.SstoreSetGasEIP2200 | ||
| testGasUsage(t, preLondonConfig(), ethash.NewFaker(), bytecode, nil, 60_000, expectedGasUsed) | ||
| } | ||
|
|
||
| func TestSelfDestructGasPostEIP3529(t *testing.T) { | ||
| bytecode := []byte{ | ||
| byte(vm.PC), | ||
| byte(vm.SELFDESTRUCT), | ||
| } | ||
| // Expected gas is intrinsic + pc + cold load (due to legacy tx) + SelfDestructGas | ||
| expectedGasUsed := params.TxGas + vm.GasQuickStep + params.ColdAccountAccessCostEIP2929 + params.SelfdestructGasEIP150 | ||
| testGasUsage(t, postLondonConfig(), ethash.NewFaker(), bytecode, nil, 60_000, expectedGasUsed) | ||
| } | ||
|
|
||
| func TestSstoreGasPostEIP3529(t *testing.T) { | ||
| bytecode := []byte{ | ||
| byte(vm.PUSH1), 0x3, // value | ||
| byte(vm.PUSH1), 0x3, // location | ||
| byte(vm.SSTORE), // Set slot[3] = 3 | ||
| } | ||
| // Expected gas is intrinsic + 2*pushGas + cold load (due to legacy tx) + SstoreGas | ||
| expectedGasUsed := params.TxGas + 2*vm.GasFastestStep + params.ColdSloadCostEIP2929 + params.SstoreSetGasEIP2200 | ||
| testGasUsage(t, postLondonConfig(), ethash.NewFaker(), bytecode, nil, 60_000, expectedGasUsed) | ||
| } | ||
|
|
||
| func TestSstoreModifyGasPostEIP3529(t *testing.T) { | ||
| bytecode := []byte{ | ||
| byte(vm.PUSH1), 0x3, // value | ||
| byte(vm.PUSH1), 0x1, // location | ||
| byte(vm.SSTORE), // Set slot[1] = 3 | ||
| } | ||
| // initialize contract storage | ||
| initialStorage := make(map[libcommon.Hash]libcommon.Hash) | ||
| // Populate two slots | ||
| initialStorage[libcommon.HexToHash("01")] = libcommon.HexToHash("01") | ||
| initialStorage[libcommon.HexToHash("02")] = libcommon.HexToHash("02") | ||
| // Expected gas is intrinsic + 2*pushGas + cold load (due to legacy tx) + SstoreReset (a->b such that a!=0) | ||
| expectedGasUsed := params.TxGas + 2*vm.GasFastestStep + params.ColdSloadCostEIP2929 + (params.SstoreResetGasEIP2200 - params.ColdSloadCostEIP2929) | ||
| testGasUsage(t, postLondonConfig(), ethash.NewFaker(), bytecode, initialStorage, 60_000, expectedGasUsed) | ||
| } | ||
|
|
||
| func TestSstoreClearGasPostEIP3529(t *testing.T) { | ||
| bytecode := []byte{ | ||
| byte(vm.PUSH1), 0x0, // value | ||
| byte(vm.PUSH1), 0x1, // location | ||
| byte(vm.SSTORE), // Set slot[1] = 0 | ||
| } | ||
| // initialize contract storage | ||
| initialStorage := make(map[libcommon.Hash]libcommon.Hash) | ||
| // Populate two slots | ||
| initialStorage[libcommon.HexToHash("01")] = libcommon.HexToHash("01") | ||
| initialStorage[libcommon.HexToHash("02")] = libcommon.HexToHash("02") | ||
|
|
||
| // Expected gas is intrinsic + 2*pushGas + cold load (due to legacy tx) + SstoreReset (a->b such that a!=0) - sstoreClearGasRefund | ||
| expectedGasUsage := params.TxGas + 2*vm.GasFastestStep + params.ColdSloadCostEIP2929 + (params.SstoreResetGasEIP2200 - params.ColdSloadCostEIP2929) - params.SstoreClearsScheduleRefundEIP3529 | ||
| testGasUsage(t, postLondonConfig(), ethash.NewFaker(), bytecode, initialStorage, 60_000, expectedGasUsage) | ||
| } | ||
|
|
||
| // Test the gas used by running a transaction sent to a smart contract with given bytecode and storage. | ||
| func testGasUsage(t *testing.T, config *chain.Config, engine consensus.Engine, bytecode []byte, initialStorage map[libcommon.Hash]libcommon.Hash, initialGas, expectedGasUsed uint64) { | ||
| var ( | ||
| aa = libcommon.HexToAddress("0x000000000000000000000000000000000000aaaa") | ||
|
|
||
| // Generate a canonical chain to act as the main dataset | ||
| db = memdb.NewTestDB(t) | ||
|
|
||
| // A sender who makes transactions, has some funds | ||
| key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291") | ||
| address = crypto.PubkeyToAddress(key.PublicKey) | ||
| balanceBefore = big.NewInt(1000000000000000) | ||
| gspec = &types.Genesis{Config: params.TestChainConfig, Alloc: core.GenesisAlloc{ | ||
| address: {Balance: balanceBefore}, | ||
| aa: { | ||
| Code: bytecode, | ||
| Storage: initialStorage, | ||
| Nonce: 0, | ||
| Balance: big.NewInt(0), | ||
| }, | ||
| }} | ||
| genesis = gspec.MustCommit(db) | ||
| ) | ||
|
|
||
| blocks, _ := GenerateChain(gspec.Config, genesis, engine, db, 1, func(i int, b *BlockGen) { | ||
| b.SetCoinbase(common.Address{1}) | ||
|
|
||
| // One transaction to 0xAAAA | ||
| signer := types.LatestSigner(gspec.Config) | ||
| tx, _ := types.SignNewTx(key, signer, &types.LegacyTx{ | ||
| Nonce: 0, | ||
| To: &aa, | ||
| Gas: initialGas, | ||
| GasPrice: newGwei(5), | ||
| }) | ||
| b.AddTx(tx) | ||
| }) | ||
|
|
||
| // Import the canonical chain | ||
| diskdb := rawdb.NewMemoryDatabase() | ||
| gspec.MustCommit(diskdb) | ||
|
|
||
| chain, err := NewBlockChain(diskdb, nil, gspec.Config, engine, vm.Config{}, nil, nil) | ||
| if err != nil { | ||
| t.Fatalf("failed to create tester chain: %v", err) | ||
| } | ||
| if n, err := chain.InsertChain(blocks); err != nil { | ||
| t.Fatalf("block %d: failed to insert into chain: %v", n, err) | ||
| } | ||
|
|
||
| block := chain.GetBlockByNumber(1) | ||
|
|
||
| if block.GasUsed() != expectedGasUsed { | ||
| t.Fatalf("incorrect amount of gas spent: expected %d, got %d", expectedGasUsed, block.GasUsed()) | ||
| } | ||
| } |
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