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cmd/evm: calc base fee if parent data is present (#26051)

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Currently, in order to chain together sequential valid t8n transitions the caller must manually calculate the block base fee. This PR adds support for the necessary parent fee market data to calculate the base fee for the current transition.

Concretely, env is extended to accept the following:

    parentBaseFee
    parentGasUsed
    parentGasLimit

Example usage can be found in ./cmd/evm/testdata/25.

Co-authored-by: Martin Holst Swende <martin@swende.se>
This commit is contained in:
lightclient 2022-10-28 04:25:37 -06:00 committed by GitHub
parent 60e30a940b
commit fbdeff99ce
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
16 changed files with 134 additions and 9 deletions
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8
cmd/evm/internal/t8ntool/execution.go
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@ -56,6 +56,7 @@ type ExecutionResult struct {
Rejected []*rejectedTx `json:"rejected,omitempty"`
Difficulty *math.HexOrDecimal256 `json:"currentDifficulty" gencodec:"required"`
GasUsed math.HexOrDecimal64 `json:"gasUsed"`
BaseFee *math.HexOrDecimal256 `json:"currentBaseFee,omitempty"`
}
type ommer struct {
@ -69,6 +70,9 @@ type stEnv struct {
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"`
@ -84,6 +88,9 @@ type stEnvMarshaling struct {
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
@ -263,6 +270,7 @@ func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig,
Rejected: rejectedTxs,
Difficulty: (*math.HexOrDecimal256)(vmContext.Difficulty),
GasUsed: (math.HexOrDecimal64)(gasUsed),
BaseFee: (*math.HexOrDecimal256)(vmContext.BaseFee),
}
return statedb, execRs, nil
}

18
cmd/evm/internal/t8ntool/gen_stenv.go
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@ -20,6 +20,9 @@ func (s stEnv) MarshalJSON() ([]byte, error) {
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"`
@ -34,6 +37,9 @@ func (s stEnv) MarshalJSON() ([]byte, error) {
enc.Difficulty = (*math.HexOrDecimal256)(s.Difficulty)
enc.Random = (*math.HexOrDecimal256)(s.Random)
enc.ParentDifficulty = (*math.HexOrDecimal256)(s.ParentDifficulty)
enc.ParentBaseFee = (*math.HexOrDecimal256)(s.ParentBaseFee)
enc.ParentGasUsed = math.HexOrDecimal64(s.ParentGasUsed)
enc.ParentGasLimit = math.HexOrDecimal64(s.ParentGasLimit)
enc.GasLimit = math.HexOrDecimal64(s.GasLimit)
enc.Number = math.HexOrDecimal64(s.Number)
enc.Timestamp = math.HexOrDecimal64(s.Timestamp)
@ -52,6 +58,9 @@ func (s *stEnv) UnmarshalJSON(input []byte) error {
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"`
@ -78,6 +87,15 @@ func (s *stEnv) UnmarshalJSON(input []byte) error {
if dec.ParentDifficulty != nil {
s.ParentDifficulty = (*big.Int)(dec.ParentDifficulty)
}
if dec.ParentBaseFee != nil {
s.ParentBaseFee = (*big.Int)(dec.ParentBaseFee)
}
if dec.ParentGasUsed != nil {
s.ParentGasUsed = uint64(*dec.ParentGasUsed)
}
if dec.ParentGasLimit != nil {
s.ParentGasLimit = uint64(*dec.ParentGasLimit)
}
if dec.GasLimit == nil {
return errors.New("missing required field 'currentGasLimit' for stEnv")
}

13
cmd/evm/internal/t8ntool/transition.go
View File

@ -28,6 +28,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/consensus/misc"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
@ -247,7 +248,17 @@ func Transition(ctx *cli.Context) error {
}
// Sanity check, to not `panic` in state_transition
if chainConfig.IsLondon(big.NewInt(int64(prestate.Env.Number))) {
if prestate.Env.BaseFee == nil {
if prestate.Env.BaseFee != nil {
// Already set, base fee has precedent over parent base fee.
} else if prestate.Env.ParentBaseFee != nil {
parent := &types.Header{
Number: new(big.Int).SetUint64(prestate.Env.Number),
BaseFee: prestate.Env.ParentBaseFee,
GasUsed: prestate.Env.ParentGasUsed,
GasLimit: prestate.Env.ParentGasLimit,
}
prestate.Env.BaseFee = misc.CalcBaseFee(chainConfig, parent)
} else {
return NewError(ErrorConfig, errors.New("EIP-1559 config but missing 'currentBaseFee' in env section"))
}
}

8
cmd/evm/t8n_test.go
View File

@ -243,6 +243,14 @@ func TestT8n(t *testing.T) {
output: t8nOutput{alloc: false, result: false},
expExitCode: 3,
},
{ // Test base fee calculation
base: "./testdata/25",
input: t8nInput{
"alloc.json", "txs.json", "env.json", "Merged", "",
},
output: t8nOutput{alloc: true, result: true},
expOut: "exp.json",
},
} {
args := []string{"t8n"}
args = append(args, tc.output.get()...)

3
cmd/evm/testdata/13/exp2.json vendored
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@ -34,6 +34,7 @@
}
],
"currentDifficulty": "0x20000",
"gasUsed": "0x109a0"
"gasUsed": "0x109a0",
"currentBaseFee": "0x36b"
}
}

3
cmd/evm/testdata/14/exp.json vendored
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@ -7,6 +7,7 @@
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"currentDifficulty": "0x2000020000000",
"receipts": [],
"gasUsed": "0x0"
"gasUsed": "0x0",
"currentBaseFee": "0x500"
}
}

3
cmd/evm/testdata/14/exp2.json vendored
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@ -7,6 +7,7 @@
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"receipts": [],
"currentDifficulty": "0x1ff8020000000",
"gasUsed": "0x0"
"gasUsed": "0x0",
"currentBaseFee": "0x500"
}
}

3
cmd/evm/testdata/14/exp_berlin.json vendored
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@ -7,6 +7,7 @@
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"receipts": [],
"currentDifficulty": "0x1ff9000000000",
"gasUsed": "0x0"
"gasUsed": "0x0",
"currentBaseFee": "0x500"
}
}

3
cmd/evm/testdata/19/exp_arrowglacier.json vendored
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@ -7,6 +7,7 @@
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"currentDifficulty": "0x2000000200000",
"receipts": [],
"gasUsed": "0x0"
"gasUsed": "0x0",
"currentBaseFee": "0x500"
}
}

3
cmd/evm/testdata/19/exp_grayglacier.json vendored
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@ -7,6 +7,7 @@
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"receipts": [],
"currentDifficulty": "0x2000000004000",
"gasUsed": "0x0"
"gasUsed": "0x0",
"currentBaseFee": "0x500"
}
}

3
cmd/evm/testdata/19/exp_london.json vendored
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@ -7,6 +7,7 @@
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"currentDifficulty": "0x2000080000000",
"receipts": [],
"gasUsed": "0x0"
"gasUsed": "0x0",
"currentBaseFee": "0x500"
}
}

3
cmd/evm/testdata/24/exp.json vendored
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@ -48,6 +48,7 @@
}
],
"currentDifficulty": null,
"gasUsed": "0x10306"
"gasUsed": "0x10306",
"currentBaseFee": "0x500"
}
}

8
cmd/evm/testdata/25/alloc.json vendored Normal file
View File

@ -0,0 +1,8 @@
{
"a94f5374fce5edbc8e2a8697c15331677e6ebf0b": {
"balance": "0x5ffd4878be161d74",
"code": "0x",
"nonce": "0xac",
"storage": {}
}
}

11
cmd/evm/testdata/25/env.json vendored Normal file
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@ -0,0 +1,11 @@
{
"currentCoinbase": "0xc94f5374fce5edbc8e2a8697c15331677e6ebf0b",
"currentDifficulty": null,
"currentRandom": "0xdeadc0de",
"currentGasLimit": "0x750a163df65e8a",
"parentBaseFee": "0x500",
"parentGasUsed": "0x0",
"parentGasLimit": "0x750a163df65e8a",
"currentNumber": "1",
"currentTimestamp": "1000"
}

38
cmd/evm/testdata/25/exp.json vendored Normal file
View File

@ -0,0 +1,38 @@
{
"alloc": {
"0x8a8eafb1cf62bfbeb1741769dae1a9dd47996192": {
"balance": "0x1"
},
"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b": {
"balance": "0x5ffd4878bc29ed73",
"nonce": "0xad"
},
"0xc94f5374fce5edbc8e2a8697c15331677e6ebf0b": {
"balance": "0x854d00"
}
},
"result": {
"stateRoot": "0x5139609e39f4d158a7d1ad1800908eb0349cea9b500a8273a6cf0a7e4392639b",
"txRoot": "0x572690baf4898c2972446e56ecf0aa2a027c08a863927d2dce34472f0c5496fe",
"receiptsRoot": "0x056b23fbba480696b65fe5a59b8f2148a1299103c4f57df839233af2cf4ca2d2",
"logsHash": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"receipts": [
{
"root": "0x",
"status": "0x1",
"cumulativeGasUsed": "0x5208",
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"logs": null,
"transactionHash": "0x92ea4a28224d033afb20e0cc2b290d4c7c2d61f6a4800a680e4e19ac962ee941",
"contractAddress": "0x0000000000000000000000000000000000000000",
"gasUsed": "0x5208",
"blockHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"transactionIndex": "0x0"
}
],
"currentDifficulty": null,
"gasUsed": "0x5208",
"currentBaseFee": "0x460"
}
}

15
cmd/evm/testdata/25/txs.json vendored Normal file
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@ -0,0 +1,15 @@
[
{
"gas": "0x186a0",
"gasPrice": "0x600",
"hash": "0x0557bacce3375c98d806609b8d5043072f0b6a8bae45ae5a67a00d3a1a18d673",
"input": "0x",
"nonce": "0xac",
"to": "0x8a8eafb1cf62bfbeb1741769dae1a9dd47996192",
"value": "0x1",
"v" : "0x0",
"r" : "0x0",
"s" : "0x0",
"secretKey" : "0x45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8"
}
]