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core, all: split vm.Context into BlockContext and TxContext (#21672)

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* all: core: split vm.Config into BlockConfig and TxConfig

* core: core/vm: reset EVM between tx in block instead of creating new

* core/vm: added docs
This commit is contained in:
Marius van der Wijden
2020-11-13 13:42:19 +01:00
committed by GitHub
parent 6f4cccf8d2
commit 2045a2bba3
24 changed files with 183 additions and 139 deletions
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2
eth/tracers/tracer.go
View File

@ -545,7 +545,7 @@ func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost
if jst.err == nil {
// Initialize the context if it wasn't done yet
if !jst.inited {
jst.ctx["block"] = env.BlockNumber.Uint64()
jst.ctx["block"] = env.Context.BlockNumber.Uint64()
jst.inited = true
}
// If tracing was interrupted, set the error and stop

4
eth/tracers/tracer_test.go
View File

@ -51,7 +51,7 @@ type dummyStatedb struct {
func (*dummyStatedb) GetRefund() uint64 { return 1337 }
func runTrace(tracer *Tracer) (json.RawMessage, error) {
env := vm.NewEVM(vm.Context{BlockNumber: big.NewInt(1)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer})
env := vm.NewEVM(vm.BlockContext{BlockNumber: big.NewInt(1)}, vm.TxContext{}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer})
contract := vm.NewContract(account{}, account{}, big.NewInt(0), 10000)
contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x1, 0x0}
@ -166,7 +166,7 @@ func TestHaltBetweenSteps(t *testing.T) {
t.Fatal(err)
}
env := vm.NewEVM(vm.Context{BlockNumber: big.NewInt(1)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer})
env := vm.NewEVM(vm.BlockContext{BlockNumber: big.NewInt(1)}, vm.TxContext{}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer})
contract := vm.NewContract(&account{}, &account{}, big.NewInt(0), 0)
tracer.CaptureState(env, 0, 0, 0, 0, nil, nil, nil, nil, contract, 0, nil)

21
eth/tracers/tracers_test.go
View File

@ -143,16 +143,18 @@ func TestPrestateTracerCreate2(t *testing.T) {
result: 0x60f3f640a8508fC6a86d45DF051962668E1e8AC7
*/
origin, _ := signer.Sender(tx)
context := vm.Context{
txContext := vm.TxContext{
Origin: origin,
GasPrice: big.NewInt(1),
}
context := vm.BlockContext{
CanTransfer: core.CanTransfer,
Transfer: core.Transfer,
Origin: origin,
Coinbase: common.Address{},
BlockNumber: new(big.Int).SetUint64(8000000),
Time: new(big.Int).SetUint64(5),
Difficulty: big.NewInt(0x30000),
GasLimit: uint64(6000000),
GasPrice: big.NewInt(1),
}
alloc := core.GenesisAlloc{}
@ -175,7 +177,7 @@ func TestPrestateTracerCreate2(t *testing.T) {
if err != nil {
t.Fatalf("failed to create call tracer: %v", err)
}
evm := vm.NewEVM(context, statedb, params.MainnetChainConfig, vm.Config{Debug: true, Tracer: tracer})
evm := vm.NewEVM(context, txContext, statedb, params.MainnetChainConfig, vm.Config{Debug: true, Tracer: tracer})
msg, err := tx.AsMessage(signer)
if err != nil {
@ -230,17 +232,18 @@ func TestCallTracer(t *testing.T) {
}
signer := types.MakeSigner(test.Genesis.Config, new(big.Int).SetUint64(uint64(test.Context.Number)))
origin, _ := signer.Sender(tx)
context := vm.Context{
txContext := vm.TxContext{
Origin: origin,
GasPrice: tx.GasPrice(),
}
context := vm.BlockContext{
CanTransfer: core.CanTransfer,
Transfer: core.Transfer,
Origin: origin,
Coinbase: test.Context.Miner,
BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
Time: new(big.Int).SetUint64(uint64(test.Context.Time)),
Difficulty: (*big.Int)(test.Context.Difficulty),
GasLimit: uint64(test.Context.GasLimit),
GasPrice: tx.GasPrice(),
}
_, statedb := tests.MakePreState(rawdb.NewMemoryDatabase(), test.Genesis.Alloc, false)
@ -249,7 +252,7 @@ func TestCallTracer(t *testing.T) {
if err != nil {
t.Fatalf("failed to create call tracer: %v", err)
}
evm := vm.NewEVM(context, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
msg, err := tx.AsMessage(signer)
if err != nil {