diff --git a/cmd/evm/internal/t8ntool/execution.go b/cmd/evm/internal/t8ntool/execution.go index 37f9febd9c..c408623fe3 100644 --- a/cmd/evm/internal/t8ntool/execution.go +++ b/cmd/evm/internal/t8ntool/execution.go @@ -24,6 +24,7 @@ import ( "github.com/ethereum/go-ethereum/common/math" "github.com/ethereum/go-ethereum/consensus/ethash" "github.com/ethereum/go-ethereum/consensus/misc" + "github.com/ethereum/go-ethereum/consensus/misc/eip4844" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/rawdb" "github.com/ethereum/go-ethereum/core/state" @@ -46,17 +47,19 @@ type Prestate struct { // ExecutionResult contains the execution status after running a state test, any // error that might have occurred and a dump of the final state if requested. type ExecutionResult struct { - StateRoot common.Hash `json:"stateRoot"` - TxRoot common.Hash `json:"txRoot"` - ReceiptRoot common.Hash `json:"receiptsRoot"` - LogsHash common.Hash `json:"logsHash"` - Bloom types.Bloom `json:"logsBloom" gencodec:"required"` - Receipts types.Receipts `json:"receipts"` - Rejected []*rejectedTx `json:"rejected,omitempty"` - Difficulty *math.HexOrDecimal256 `json:"currentDifficulty" gencodec:"required"` - GasUsed math.HexOrDecimal64 `json:"gasUsed"` - BaseFee *math.HexOrDecimal256 `json:"currentBaseFee,omitempty"` - WithdrawalsRoot *common.Hash `json:"withdrawalsRoot,omitempty"` + StateRoot common.Hash `json:"stateRoot"` + TxRoot common.Hash `json:"txRoot"` + ReceiptRoot common.Hash `json:"receiptsRoot"` + LogsHash common.Hash `json:"logsHash"` + Bloom types.Bloom `json:"logsBloom" gencodec:"required"` + Receipts types.Receipts `json:"receipts"` + Rejected []*rejectedTx `json:"rejected,omitempty"` + Difficulty *math.HexOrDecimal256 `json:"currentDifficulty" gencodec:"required"` + GasUsed math.HexOrDecimal64 `json:"gasUsed"` + BaseFee *math.HexOrDecimal256 `json:"currentBaseFee,omitempty"` + WithdrawalsRoot *common.Hash `json:"withdrawalsRoot,omitempty"` + CurrentExcessBlobGas *math.HexOrDecimal64 `json:"currentExcessBlobGas,omitempty"` + CurrentBlobGasUsed *math.HexOrDecimal64 `json:"currentBlobGasUsed,omitempty"` } type ommer struct { @@ -66,37 +69,43 @@ type ommer struct { //go:generate go run github.com/fjl/gencodec -type stEnv -field-override stEnvMarshaling -out gen_stenv.go type stEnv struct { - Coinbase common.Address `json:"currentCoinbase" gencodec:"required"` - Difficulty *big.Int `json:"currentDifficulty"` - Random *big.Int `json:"currentRandom"` - ParentDifficulty *big.Int `json:"parentDifficulty"` - ParentBaseFee *big.Int `json:"parentBaseFee,omitempty"` - ParentGasUsed uint64 `json:"parentGasUsed,omitempty"` - ParentGasLimit uint64 `json:"parentGasLimit,omitempty"` - GasLimit uint64 `json:"currentGasLimit" gencodec:"required"` - Number uint64 `json:"currentNumber" gencodec:"required"` - Timestamp uint64 `json:"currentTimestamp" gencodec:"required"` - ParentTimestamp uint64 `json:"parentTimestamp,omitempty"` - BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"` - Ommers []ommer `json:"ommers,omitempty"` - Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"` - BaseFee *big.Int `json:"currentBaseFee,omitempty"` - ParentUncleHash common.Hash `json:"parentUncleHash"` + Coinbase common.Address `json:"currentCoinbase" gencodec:"required"` + Difficulty *big.Int `json:"currentDifficulty"` + Random *big.Int `json:"currentRandom"` + ParentDifficulty *big.Int `json:"parentDifficulty"` + ParentBaseFee *big.Int `json:"parentBaseFee,omitempty"` + ParentGasUsed uint64 `json:"parentGasUsed,omitempty"` + ParentGasLimit uint64 `json:"parentGasLimit,omitempty"` + GasLimit uint64 `json:"currentGasLimit" gencodec:"required"` + Number uint64 `json:"currentNumber" gencodec:"required"` + Timestamp uint64 `json:"currentTimestamp" gencodec:"required"` + ParentTimestamp uint64 `json:"parentTimestamp,omitempty"` + BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"` + Ommers []ommer `json:"ommers,omitempty"` + Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"` + BaseFee *big.Int `json:"currentBaseFee,omitempty"` + ParentUncleHash common.Hash `json:"parentUncleHash"` + ExcessBlobGas *uint64 `json:"excessBlobGas,omitempty"` + ParentExcessBlobGas *uint64 `json:"parentExcessBlobGas,omitempty"` + ParentBlobGasUsed *uint64 `json:"parentBlobGasUsed,omitempty"` } type stEnvMarshaling struct { - Coinbase common.UnprefixedAddress - Difficulty *math.HexOrDecimal256 - Random *math.HexOrDecimal256 - ParentDifficulty *math.HexOrDecimal256 - ParentBaseFee *math.HexOrDecimal256 - ParentGasUsed math.HexOrDecimal64 - ParentGasLimit math.HexOrDecimal64 - GasLimit math.HexOrDecimal64 - Number math.HexOrDecimal64 - Timestamp math.HexOrDecimal64 - ParentTimestamp math.HexOrDecimal64 - BaseFee *math.HexOrDecimal256 + Coinbase common.UnprefixedAddress + Difficulty *math.HexOrDecimal256 + Random *math.HexOrDecimal256 + ParentDifficulty *math.HexOrDecimal256 + ParentBaseFee *math.HexOrDecimal256 + ParentGasUsed math.HexOrDecimal64 + ParentGasLimit math.HexOrDecimal64 + GasLimit math.HexOrDecimal64 + Number math.HexOrDecimal64 + Timestamp math.HexOrDecimal64 + ParentTimestamp math.HexOrDecimal64 + BaseFee *math.HexOrDecimal256 + ExcessBlobGas *math.HexOrDecimal64 + ParentExcessBlobGas *math.HexOrDecimal64 + ParentBlobGasUsed *math.HexOrDecimal64 } type rejectedTx struct { @@ -153,6 +162,19 @@ func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig, rnd := common.BigToHash(pre.Env.Random) vmContext.Random = &rnd } + // If excessBlobGas is defined, add it to the vmContext. + if pre.Env.ExcessBlobGas != nil { + vmContext.ExcessBlobGas = pre.Env.ExcessBlobGas + } else { + // If it is not explicitly defined, but we have the parent values, we try + // to calculate it ourselves. + parentExcessBlobGas := pre.Env.ParentExcessBlobGas + parentBlobGasUsed := pre.Env.ParentBlobGasUsed + if parentExcessBlobGas != nil && parentBlobGasUsed != nil { + excessBlobGas := eip4844.CalcExcessBlobGas(*parentExcessBlobGas, *parentBlobGasUsed) + vmContext.ExcessBlobGas = &excessBlobGas + } + } // If DAO is supported/enabled, we need to handle it here. In geth 'proper', it's // done in StateProcessor.Process(block, ...), right before transactions are applied. if chainConfig.DAOForkSupport && @@ -160,8 +182,14 @@ func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig, chainConfig.DAOForkBlock.Cmp(new(big.Int).SetUint64(pre.Env.Number)) == 0 { misc.ApplyDAOHardFork(statedb) } - + var blobGasUsed uint64 for i, tx := range txs { + if tx.Type() == types.BlobTxType && vmContext.ExcessBlobGas == nil { + errMsg := "blob tx used but field env.ExcessBlobGas missing" + log.Warn("rejected tx", "index", i, "hash", tx.Hash(), "error", errMsg) + rejectedTxs = append(rejectedTxs, &rejectedTx{i, errMsg}) + continue + } msg, err := core.TransactionToMessage(tx, signer, pre.Env.BaseFee) if err != nil { log.Warn("rejected tx", "index", i, "hash", tx.Hash(), "error", err) @@ -191,6 +219,9 @@ func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig, gaspool.SetGas(prevGas) continue } + if tx.Type() == types.BlobTxType { + blobGasUsed += params.BlobTxBlobGasPerBlob + } includedTxs = append(includedTxs, tx) if hashError != nil { return nil, nil, NewError(ErrorMissingBlockhash, hashError) @@ -286,6 +317,10 @@ func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig, h := types.DeriveSha(types.Withdrawals(pre.Env.Withdrawals), trie.NewStackTrie(nil)) execRs.WithdrawalsRoot = &h } + if vmContext.ExcessBlobGas != nil { + execRs.CurrentExcessBlobGas = (*math.HexOrDecimal64)(vmContext.ExcessBlobGas) + execRs.CurrentBlobGasUsed = (*math.HexOrDecimal64)(&blobGasUsed) + } // Re-create statedb instance with new root upon the updated database // for accessing latest states. statedb, err = state.New(root, statedb.Database(), nil) diff --git a/cmd/evm/internal/t8ntool/gen_stenv.go b/cmd/evm/internal/t8ntool/gen_stenv.go index c2cc3a2c8a..f50fee5e31 100644 --- a/cmd/evm/internal/t8ntool/gen_stenv.go +++ b/cmd/evm/internal/t8ntool/gen_stenv.go @@ -17,22 +17,25 @@ var _ = (*stEnvMarshaling)(nil) // MarshalJSON marshals as JSON. func (s stEnv) MarshalJSON() ([]byte, error) { type stEnv struct { - Coinbase common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"` - Difficulty *math.HexOrDecimal256 `json:"currentDifficulty"` - Random *math.HexOrDecimal256 `json:"currentRandom"` - ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"` - ParentBaseFee *math.HexOrDecimal256 `json:"parentBaseFee,omitempty"` - ParentGasUsed math.HexOrDecimal64 `json:"parentGasUsed,omitempty"` - ParentGasLimit math.HexOrDecimal64 `json:"parentGasLimit,omitempty"` - GasLimit math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"` - Number math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"` - Timestamp math.HexOrDecimal64 `json:"currentTimestamp" gencodec:"required"` - ParentTimestamp math.HexOrDecimal64 `json:"parentTimestamp,omitempty"` - BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"` - Ommers []ommer `json:"ommers,omitempty"` - Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"` - BaseFee *math.HexOrDecimal256 `json:"currentBaseFee,omitempty"` - ParentUncleHash common.Hash `json:"parentUncleHash"` + Coinbase common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"` + Difficulty *math.HexOrDecimal256 `json:"currentDifficulty"` + Random *math.HexOrDecimal256 `json:"currentRandom"` + ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"` + ParentBaseFee *math.HexOrDecimal256 `json:"parentBaseFee,omitempty"` + ParentGasUsed math.HexOrDecimal64 `json:"parentGasUsed,omitempty"` + ParentGasLimit math.HexOrDecimal64 `json:"parentGasLimit,omitempty"` + GasLimit math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"` + Number math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"` + Timestamp math.HexOrDecimal64 `json:"currentTimestamp" gencodec:"required"` + ParentTimestamp math.HexOrDecimal64 `json:"parentTimestamp,omitempty"` + BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"` + Ommers []ommer `json:"ommers,omitempty"` + Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"` + BaseFee *math.HexOrDecimal256 `json:"currentBaseFee,omitempty"` + ParentUncleHash common.Hash `json:"parentUncleHash"` + ExcessBlobGas *math.HexOrDecimal64 `json:"excessBlobGas,omitempty"` + ParentExcessBlobGas *math.HexOrDecimal64 `json:"parentExcessBlobGas,omitempty"` + ParentBlobGasUsed *math.HexOrDecimal64 `json:"parentBlobGasUsed,omitempty"` } var enc stEnv enc.Coinbase = common.UnprefixedAddress(s.Coinbase) @@ -51,28 +54,34 @@ func (s stEnv) MarshalJSON() ([]byte, error) { enc.Withdrawals = s.Withdrawals enc.BaseFee = (*math.HexOrDecimal256)(s.BaseFee) enc.ParentUncleHash = s.ParentUncleHash + enc.ExcessBlobGas = (*math.HexOrDecimal64)(s.ExcessBlobGas) + enc.ParentExcessBlobGas = (*math.HexOrDecimal64)(s.ParentExcessBlobGas) + enc.ParentBlobGasUsed = (*math.HexOrDecimal64)(s.ParentBlobGasUsed) return json.Marshal(&enc) } // UnmarshalJSON unmarshals from JSON. func (s *stEnv) UnmarshalJSON(input []byte) error { type stEnv struct { - Coinbase *common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"` - Difficulty *math.HexOrDecimal256 `json:"currentDifficulty"` - Random *math.HexOrDecimal256 `json:"currentRandom"` - ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"` - ParentBaseFee *math.HexOrDecimal256 `json:"parentBaseFee,omitempty"` - ParentGasUsed *math.HexOrDecimal64 `json:"parentGasUsed,omitempty"` - ParentGasLimit *math.HexOrDecimal64 `json:"parentGasLimit,omitempty"` - GasLimit *math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"` - Number *math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"` - Timestamp *math.HexOrDecimal64 `json:"currentTimestamp" gencodec:"required"` - ParentTimestamp *math.HexOrDecimal64 `json:"parentTimestamp,omitempty"` - BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"` - Ommers []ommer `json:"ommers,omitempty"` - Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"` - BaseFee *math.HexOrDecimal256 `json:"currentBaseFee,omitempty"` - ParentUncleHash *common.Hash `json:"parentUncleHash"` + Coinbase *common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"` + Difficulty *math.HexOrDecimal256 `json:"currentDifficulty"` + Random *math.HexOrDecimal256 `json:"currentRandom"` + ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"` + ParentBaseFee *math.HexOrDecimal256 `json:"parentBaseFee,omitempty"` + ParentGasUsed *math.HexOrDecimal64 `json:"parentGasUsed,omitempty"` + ParentGasLimit *math.HexOrDecimal64 `json:"parentGasLimit,omitempty"` + GasLimit *math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"` + Number *math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"` + Timestamp *math.HexOrDecimal64 `json:"currentTimestamp" gencodec:"required"` + ParentTimestamp *math.HexOrDecimal64 `json:"parentTimestamp,omitempty"` + BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"` + Ommers []ommer `json:"ommers,omitempty"` + Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"` + BaseFee *math.HexOrDecimal256 `json:"currentBaseFee,omitempty"` + ParentUncleHash *common.Hash `json:"parentUncleHash"` + ExcessBlobGas *math.HexOrDecimal64 `json:"excessBlobGas,omitempty"` + ParentExcessBlobGas *math.HexOrDecimal64 `json:"parentExcessBlobGas,omitempty"` + ParentBlobGasUsed *math.HexOrDecimal64 `json:"parentBlobGasUsed,omitempty"` } var dec stEnv if err := json.Unmarshal(input, &dec); err != nil { @@ -130,5 +139,14 @@ func (s *stEnv) UnmarshalJSON(input []byte) error { if dec.ParentUncleHash != nil { s.ParentUncleHash = *dec.ParentUncleHash } + if dec.ExcessBlobGas != nil { + s.ExcessBlobGas = (*uint64)(dec.ExcessBlobGas) + } + if dec.ParentExcessBlobGas != nil { + s.ParentExcessBlobGas = (*uint64)(dec.ParentExcessBlobGas) + } + if dec.ParentBlobGasUsed != nil { + s.ParentBlobGasUsed = (*uint64)(dec.ParentBlobGasUsed) + } return nil } diff --git a/cmd/evm/t8n_test.go b/cmd/evm/t8n_test.go index 0ef3fac409..d7a4db739c 100644 --- a/cmd/evm/t8n_test.go +++ b/cmd/evm/t8n_test.go @@ -259,6 +259,14 @@ func TestT8n(t *testing.T) { output: t8nOutput{alloc: true, result: true}, expOut: "exp.json", }, + { // Cancun tests + base: "./testdata/28", + input: t8nInput{ + "alloc.json", "txs.rlp", "env.json", "Cancun", "", + }, + output: t8nOutput{alloc: true, result: true}, + expOut: "exp.json", + }, } { args := []string{"t8n"} args = append(args, tc.output.get()...) diff --git a/cmd/evm/testdata/28/alloc.json b/cmd/evm/testdata/28/alloc.json new file mode 100644 index 0000000000..680a89f4ed --- /dev/null +++ b/cmd/evm/testdata/28/alloc.json @@ -0,0 +1,16 @@ +{ + "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : { + "balance" : "0x016345785d8a0000", + "code" : "0x", + "nonce" : "0x00", + "storage" : { + } + }, + "0xb94f5374fce5edbc8e2a8697c15331677e6ebf0b" : { + "balance" : "0x016345785d8a0000", + "code" : "0x60004960015500", + "nonce" : "0x00", + "storage" : { + } + } +} \ No newline at end of file diff --git a/cmd/evm/testdata/28/env.json b/cmd/evm/testdata/28/env.json new file mode 100644 index 0000000000..83c12dcfc3 --- /dev/null +++ b/cmd/evm/testdata/28/env.json @@ -0,0 +1,22 @@ +{ + "currentCoinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba", + "currentNumber" : "0x01", + "currentTimestamp" : "0x079e", + "currentGasLimit" : "0x7fffffffffffffff", + "previousHash" : "0x3a9b485972e7353edd9152712492f0c58d89ef80623686b6bf947a4a6dce6cb6", + "currentBlobGasUsed" : "0x00", + "parentTimestamp" : "0x03b6", + "parentDifficulty" : "0x00", + "parentUncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347", + "currentRandom" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421", + "withdrawals" : [ + ], + "parentBaseFee" : "0x0a", + "parentGasUsed" : "0x00", + "parentGasLimit" : "0x7fffffffffffffff", + "parentExcessBlobGas" : "0x00", + "parentBlobGasUsed" : "0x00", + "blockHashes" : { + "0" : "0x3a9b485972e7353edd9152712492f0c58d89ef80623686b6bf947a4a6dce6cb6" + } +} \ No newline at end of file diff --git a/cmd/evm/testdata/28/exp.json b/cmd/evm/testdata/28/exp.json new file mode 100644 index 0000000000..a55ce0aec4 --- /dev/null +++ b/cmd/evm/testdata/28/exp.json @@ -0,0 +1,47 @@ +{ + "alloc": { + "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba": { + "balance": "0x150ca" + }, + "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b": { + "balance": "0x16345785d80c3a9", + "nonce": "0x1" + }, + "0xb94f5374fce5edbc8e2a8697c15331677e6ebf0b": { + "code": "0x60004960015500", + "storage": { + "0x0000000000000000000000000000000000000000000000000000000000000001": "0x01a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8" + }, + "balance": "0x16345785d8a0000" + } + }, + "result": { + "stateRoot": "0xa40cb3fab01848e922a48bd24191815df9f721ad4b60376edac75161517663e8", + "txRoot": "0x4409cc4b699384ba5f8248d92b784713610c5ff9c1de51e9239da0dac76de9ce", + "receiptsRoot": "0xbff643da765981266133094092d98c81d2ac8e9a83a7bbda46c3d736f1f874ac", + "logsHash": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347", + "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", + "receipts": [ + { + "type": "0x3", + "root": "0x", + "status": "0x1", + "cumulativeGasUsed": "0xa865", + "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", + "logs": null, + "transactionHash": "0x7508d7139d002a4b3a26a4f12dec0d87cb46075c78bf77a38b569a133b509262", + "contractAddress": "0x0000000000000000000000000000000000000000", + "gasUsed": "0xa865", + "effectiveGasPrice": null, + "blockHash": "0x0000000000000000000000000000000000000000000000000000000000000000", + "transactionIndex": "0x0" + } + ], + "currentDifficulty": null, + "gasUsed": "0xa865", + "currentBaseFee": "0x9", + "withdrawalsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421", + "currentExcessBlobGas": "0x0", + "currentBlobGasUsed": "0x20000" + } +} \ No newline at end of file diff --git a/cmd/evm/testdata/28/txs.rlp b/cmd/evm/testdata/28/txs.rlp new file mode 100644 index 0000000000..8df20e3aa2 --- /dev/null +++ b/cmd/evm/testdata/28/txs.rlp @@ -0,0 +1 @@ +"0xf88bb88903f8860180026483061a8094b94f5374fce5edbc8e2a8697c15331677e6ebf0b8080c00ae1a001a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d801a025e16bb498552165016751911c3608d79000ab89dc3100776e729e6ea13091c7a03acacff7fc0cff6eda8a927dec93ca17765e1ee6cbc06c5954ce102e097c01d2" \ No newline at end of file