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Merge pull request #5578 from filecoin-project/feat/fevm-genesis-eth0
Feat/fevm genesis eth0
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| package genesis | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/hex" | ||
| "fmt" | ||
|
|
||
| "github.com/ipfs/go-cid" | ||
|
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| "github.com/filecoin-project/go-state-types/abi" | ||
| actorstypes "github.com/filecoin-project/go-state-types/actors" | ||
| "github.com/filecoin-project/go-state-types/big" | ||
| builtintypes "github.com/filecoin-project/go-state-types/builtin" | ||
| evm10 "github.com/filecoin-project/go-state-types/builtin/v10/evm" | ||
| init10 "github.com/filecoin-project/go-state-types/builtin/v10/init" | ||
| "github.com/filecoin-project/go-state-types/network" | ||
| "github.com/filecoin-project/venus/pkg/chain" | ||
| "github.com/filecoin-project/venus/pkg/config" | ||
| "github.com/filecoin-project/venus/pkg/consensusfault" | ||
| "github.com/filecoin-project/venus/pkg/fork" | ||
| "github.com/filecoin-project/venus/pkg/fvm" | ||
| "github.com/filecoin-project/venus/pkg/state/tree" | ||
| "github.com/filecoin-project/venus/pkg/util/ffiwrapper/impl" | ||
| "github.com/filecoin-project/venus/pkg/vm" | ||
| "github.com/filecoin-project/venus/pkg/vm/gas" | ||
| "github.com/filecoin-project/venus/pkg/vm/vmcontext" | ||
| "github.com/filecoin-project/venus/pkg/vmsupport" | ||
| "github.com/filecoin-project/venus/venus-shared/actors" | ||
| ) | ||
|
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| func SetupFEVM(ctx context.Context, cs *chain.Store, sroot cid.Cid, nv network.Version, para *config.ForkUpgradeConfig) (cid.Cid, error) { | ||
| av, err := actorstypes.VersionForNetwork(nv) | ||
| if err != nil { | ||
| return cid.Undef, fmt.Errorf("failed to get actors version for network version %d: %w", nv, err) | ||
| } | ||
|
|
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| if av < actorstypes.Version10 { | ||
| // Not defined before version 10; migration has to setup. | ||
| return sroot, nil | ||
| } | ||
|
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| csc := func(context.Context, abi.ChainEpoch, tree.Tree) (abi.TokenAmount, error) { | ||
| return big.Zero(), nil | ||
| } | ||
| faultChecker := consensusfault.NewFaultChecker(cs, fork.NewMockFork()) | ||
| syscalls := vmsupport.NewSyscalls(faultChecker, impl.ProofVerifier) | ||
| gasPirceSchedule := gas.NewPricesSchedule(para) | ||
|
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| newVM := func(base cid.Cid) (vmcontext.Interface, error) { | ||
| vmopt := vmcontext.VmOption{ | ||
| PRoot: base, | ||
| Epoch: 0, | ||
| Rnd: &fakeRand{}, | ||
| Bsstore: cs.Blockstore(), | ||
| ActorCodeLoader: vm.GetDefaultActors(), | ||
| SysCallsImpl: mkFakedSigSyscalls(syscalls), | ||
| CircSupplyCalculator: csc, | ||
| NetworkVersion: nv, | ||
| BaseFee: big.Zero(), | ||
| GasPriceSchedule: gasPirceSchedule, | ||
| } | ||
|
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| return fvm.NewVM(ctx, vmopt) | ||
| } | ||
|
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| genesisVm, err := newVM(sroot) | ||
| if err != nil { | ||
| return cid.Undef, fmt.Errorf("creating vm: %w", err) | ||
| } | ||
|
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| // The ETH0 address is occupied by an empty contract EVM actor | ||
| evmCodeCid, ok := actors.GetActorCodeID(av, actors.EvmKey) | ||
| if !ok { | ||
| return cid.Undef, fmt.Errorf("failed to get CodeCID for EVM during genesis") | ||
| } | ||
|
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| // initcode: | ||
| // %push(code_end - code_begin) | ||
| // dup1 | ||
| // %push(code_begin) | ||
| // push1 0x00 | ||
| // codecopy | ||
| // push1 0x00 | ||
| // return | ||
| // code_begin: | ||
| // push1 0x00 | ||
| // push1 0x00 | ||
| // return | ||
| // code_end: | ||
| initcode, err := hex.DecodeString("600580600b6000396000f360006000f3") | ||
| if err != nil { | ||
| return cid.Undef, fmt.Errorf("failed to parse ETH0 init code during genesis: %w", err) | ||
| } | ||
|
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| ctorParams := &evm10.ConstructorParams{ | ||
| Creator: make([]byte, 20), // self! | ||
| // TODO we have a bunch of bugs in the evm constructor around empty contracts | ||
| // - empty init code is not allowed | ||
| // - returning an empty contract is not allowed | ||
| // So this uses code that constructs a just return contract until that can be fixed | ||
| // and we can pass an empty byte array | ||
| Initcode: initcode, | ||
| } | ||
|
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| params := &init10.Exec4Params{ | ||
| CodeCID: evmCodeCid, | ||
| ConstructorParams: mustEnc(ctorParams), | ||
| SubAddress: make([]byte, 20), | ||
| } | ||
|
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| // TODO method 3 is Exec4; we have to name the methods in go-state-types and avoid using the number | ||
| // directly. | ||
| if _, err := doExecValue(ctx, genesisVm, builtintypes.InitActorAddr, builtintypes.EthereumAddressManagerActorAddr, big.Zero(), 3, mustEnc(params)); err != nil { | ||
| return cid.Undef, fmt.Errorf("creating ETH0 actor: %w", err) | ||
| } | ||
|
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| newroot, err := genesisVm.Flush(ctx) | ||
| if err != nil { | ||
| return cid.Undef, fmt.Errorf("flushing vm: %w", err) | ||
| } | ||
|
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||
| return newroot, nil | ||
|
|
||
| } |
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