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refactor(reexecute): export NewMainnetCChainVM() [1/2] #4758
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| // Copyright (C) 2019-2025, Ava Labs, Inc. All rights reserved. | ||
| // See the file LICENSE for licensing terms. | ||
|
|
||
| package reexecute | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/prometheus/client_golang/prometheus" | ||
|
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||
| "github.com/ava-labs/avalanchego/api/metrics" | ||
| "github.com/ava-labs/avalanchego/chains/atomic" | ||
| "github.com/ava-labs/avalanchego/database" | ||
| "github.com/ava-labs/avalanchego/database/prefixdb" | ||
| "github.com/ava-labs/avalanchego/genesis" | ||
| "github.com/ava-labs/avalanchego/graft/coreth/plugin/factory" | ||
| "github.com/ava-labs/avalanchego/ids" | ||
| "github.com/ava-labs/avalanchego/snow" | ||
| "github.com/ava-labs/avalanchego/snow/engine/enginetest" | ||
| "github.com/ava-labs/avalanchego/snow/engine/snowman/block" | ||
| "github.com/ava-labs/avalanchego/snow/validators/validatorstest" | ||
| "github.com/ava-labs/avalanchego/tests" | ||
| "github.com/ava-labs/avalanchego/upgrade" | ||
| "github.com/ava-labs/avalanchego/utils/constants" | ||
| "github.com/ava-labs/avalanchego/utils/crypto/bls/signer/localsigner" | ||
| "github.com/ava-labs/avalanchego/utils/logging" | ||
| "github.com/ava-labs/avalanchego/vms/metervm" | ||
| "github.com/ava-labs/avalanchego/vms/platformvm/warp" | ||
| ) | ||
|
|
||
| var ( | ||
| mainnetXChainID = ids.FromStringOrPanic("2oYMBNV4eNHyqk2fjjV5nVQLDbtmNJzq5s3qs3Lo6ftnC6FByM") | ||
| mainnetCChainID = ids.FromStringOrPanic("2q9e4r6Mu3U68nU1fYjgbR6JvwrRx36CohpAX5UQxse55x1Q5") | ||
| mainnetAvaxAssetID = ids.FromStringOrPanic("FvwEAhmxKfeiG8SnEvq42hc6whRyY3EFYAvebMqDNDGCgxN5Z") | ||
| ) | ||
|
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| func NewMainnetCChainVM( | ||
| ctx context.Context, | ||
| vmAndSharedMemoryDB database.Database, | ||
| chainDataDir string, | ||
| configBytes []byte, | ||
| vmMultiGatherer metrics.MultiGatherer, | ||
| meterVMRegistry prometheus.Registerer, | ||
| ) (block.ChainVM, error) { | ||
| factory := factory.Factory{} | ||
| vmIntf, err := factory.New(logging.NoLog{}) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create VM from factory: %w", err) | ||
| } | ||
| vm := vmIntf.(block.ChainVM) | ||
|
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| blsKey, err := localsigner.New() | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create BLS key: %w", err) | ||
| } | ||
|
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| blsPublicKey := blsKey.PublicKey() | ||
| warpSigner := warp.NewSigner(blsKey, constants.MainnetID, mainnetCChainID) | ||
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| genesisConfig := genesis.GetConfig(constants.MainnetID) | ||
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| sharedMemoryDB := prefixdb.New([]byte("sharedmemory"), vmAndSharedMemoryDB) | ||
| atomicMemory := atomic.NewMemory(sharedMemoryDB) | ||
|
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| chainIDToSubnetID := map[ids.ID]ids.ID{ | ||
| mainnetXChainID: constants.PrimaryNetworkID, | ||
| mainnetCChainID: constants.PrimaryNetworkID, | ||
| ids.Empty: constants.PrimaryNetworkID, | ||
| } | ||
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| vm = metervm.NewBlockVM(vm, meterVMRegistry) | ||
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| if err := vm.Initialize( | ||
| ctx, | ||
| &snow.Context{ | ||
| NetworkID: constants.MainnetID, | ||
| SubnetID: constants.PrimaryNetworkID, | ||
| ChainID: mainnetCChainID, | ||
| NodeID: ids.GenerateTestNodeID(), | ||
| PublicKey: blsPublicKey, | ||
| NetworkUpgrades: upgrade.Mainnet, | ||
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| XChainID: mainnetXChainID, | ||
| CChainID: mainnetCChainID, | ||
| AVAXAssetID: mainnetAvaxAssetID, | ||
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| Log: tests.NewDefaultLogger("mainnet-vm-reexecution"), | ||
| SharedMemory: atomicMemory.NewSharedMemory(mainnetCChainID), | ||
| BCLookup: ids.NewAliaser(), | ||
| Metrics: vmMultiGatherer, | ||
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| WarpSigner: warpSigner, | ||
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| ValidatorState: &validatorstest.State{ | ||
| GetSubnetIDF: func(_ context.Context, chainID ids.ID) (ids.ID, error) { | ||
| subnetID, ok := chainIDToSubnetID[chainID] | ||
| if ok { | ||
| return subnetID, nil | ||
| } | ||
| return ids.Empty, fmt.Errorf("unknown chainID: %s", chainID) | ||
| }, | ||
| }, | ||
| ChainDataDir: chainDataDir, | ||
| }, | ||
| prefixdb.New([]byte("vm"), vmAndSharedMemoryDB), | ||
| []byte(genesisConfig.CChainGenesis), | ||
| nil, | ||
| configBytes, | ||
| nil, | ||
| &enginetest.Sender{}, | ||
| ); err != nil { | ||
| return nil, fmt.Errorf("failed to initialize VM: %w", err) | ||
| } | ||
|
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| return vm, nil | ||
| } |
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Why does this have to move to be exported?
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This function lives in an executable package (
main) - functions in executable packages can't be exported for reuse:avalanchego/tests/reexecute/c/vm_reexecute.go
Lines 1 to 4 in 0aaf682