forked from cerc-io/laconicd-deprecated
402 lines
14 KiB
Go
402 lines
14 KiB
Go
package importer
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// import (
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// "flag"
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// "fmt"
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// "io"
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// "math/big"
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// "os"
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// "os/signal"
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// "runtime/pprof"
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// "sort"
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// "syscall"
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// "testing"
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// "time"
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// "github.com/google/uuid"
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// "github.com/stretchr/testify/require"
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// sdkcodec "github.com/cosmos/cosmos-sdk/codec"
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// codectypes "github.com/cosmos/cosmos-sdk/codec/types"
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// "github.com/cosmos/cosmos-sdk/store"
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// sdkstore "github.com/cosmos/cosmos-sdk/store/types"
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// sdk "github.com/cosmos/cosmos-sdk/types"
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// authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
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// authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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// bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
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// banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
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// paramkeeper "github.com/cosmos/cosmos-sdk/x/params/keeper"
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// paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
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// stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
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// stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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// "github.com/tharsis/ethermint/encoding/codec"
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// "github.com/tharsis/ethermint/types"
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// evmkeeper "github.com/tharsis/ethermint/x/evm/keeper"
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// evmtypes "github.com/tharsis/ethermint/x/evm/types"
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// "github.com/ethereum/go-ethereum/common"
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// "github.com/ethereum/go-ethereum/consensus/ethash"
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// ethcore "github.com/ethereum/go-ethereum/core"
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// ethtypes "github.com/ethereum/go-ethereum/core/types"
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// ethvm "github.com/ethereum/go-ethereum/core/vm"
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// "github.com/ethereum/go-ethereum/crypto"
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// ethparams "github.com/ethereum/go-ethereum/params"
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// ethrlp "github.com/ethereum/go-ethereum/rlp"
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// tmlog "github.com/tendermint/tendermint/libs/log"
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// tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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// dbm "github.com/tendermint/tm-db"
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// )
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// TODO: update and rewrite as testing suite with app.
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// var (
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// flagDataDir string
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// flagBlockchain string
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// flagCPUProfile string
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// genInvestor = common.HexToAddress("0x756F45E3FA69347A9A973A725E3C98bC4db0b5a0")
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// logger = tmlog.NewNopLogger()
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// rewardBig8 = big.NewInt(8)
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// rewardBig32 = big.NewInt(32)
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// )
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// func init() {
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// flag.StringVar(&flagCPUProfile, "cpu-profile", "", "write CPU profile")
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// flag.StringVar(&flagDataDir, "datadir", "", "test data directory for state storage")
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// flag.StringVar(&flagBlockchain, "blockchain", "blockchain", "ethereum block export file (blocks to import)")
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// testing.Init()
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// flag.Parse()
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// }
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// func newTestCodec() (sdkcodec.BinaryMarshaler, *sdkcodec.LegacyAmino) {
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// interfaceRegistry := codectypes.NewInterfaceRegistry()
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// cdc := sdkcodec.NewProtoCodec(interfaceRegistry)
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// amino := sdkcodec.NewLegacyAmino()
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// sdk.RegisterLegacyAminoCodec(amino)
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// codec.RegisterInterfaces(interfaceRegistry)
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// return cdc, amino
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// }
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// func cleanup() {
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// fmt.Println("cleaning up test execution...")
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// os.RemoveAll(flagDataDir)
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// if flagCPUProfile != "" {
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// pprof.StopCPUProfile()
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// }
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// }
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// func trapSignals() {
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// sigs := make(chan os.Signal, 1)
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// signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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// go func() {
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// <-sigs
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// cleanup()
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// os.Exit(1)
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// }()
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// }
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//
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// func createAndTestGenesis(t *testing.T, cms sdk.CommitMultiStore, ak authkeeper.AccountKeeper, bk bankkeeper.Keeper, evmKeeper *evmkeeper.Keeper) {
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// genBlock := ethcore.DefaultGenesisBlock()
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// ms := cms.CacheMultiStore()
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// ctx := sdk.NewContext(ms, tmproto.Header{}, false, logger)
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// evmKeeper.WithContext(ctx)
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// // Set the default Ethermint parameters to the parameter keeper store
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// evmKeeper.SetParams(ctx, evmtypes.DefaultParams())
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// // sort the addresses and insertion of key/value pairs matters
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// genAddrs := make([]string, len(genBlock.Alloc))
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// i := 0
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// for addr := range genBlock.Alloc {
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// genAddrs[i] = addr.String()
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// i++
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// }
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// sort.Strings(genAddrs)
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// for _, addrStr := range genAddrs {
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// addr := common.HexToAddress(addrStr)
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// acc := genBlock.Alloc[addr]
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// evmKeeper.AddBalance(addr, acc.Balance)
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// evmKeeper.SetCode(addr, acc.Code)
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// evmKeeper.SetNonce(addr, acc.Nonce)
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// for key, value := range acc.Storage {
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// evmKeeper.SetState(addr, key, value)
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// }
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// }
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// // get balance of one of the genesis account having 400 ETH
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// b := evmKeeper.GetBalance(genInvestor)
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// require.Equal(t, "200000000000000000000", b.String())
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// // persist multi-store cache state
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// ms.Write()
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// // persist multi-store root state
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// cms.Commit()
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// // verify account mapper state
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// genAcc := ak.GetAccount(ctx, sdk.AccAddress(genInvestor.Bytes()))
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// require.NotNil(t, genAcc)
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// evmDenom := evmKeeper.GetParams(ctx).EvmDenom
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// balance := bk.GetBalance(ctx, genAcc.GetAddress(), evmDenom)
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// require.Equal(t, sdk.NewIntFromBigInt(b), balance.Amount)
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// }
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// func TestImportBlocks(t *testing.T) {
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// if flagDataDir == "" {
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// flagDataDir = os.TempDir()
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// }
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// if flagCPUProfile != "" {
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// f, err := os.Create(flagCPUProfile)
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// require.NoError(t, err, "failed to create CPU profile")
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// err = pprof.StartCPUProfile(f)
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// require.NoError(t, err, "failed to start CPU profile")
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// }
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// db, err := dbm.NewDB("state_test"+uuid.New().String(), dbm.GoLevelDBBackend, flagDataDir)
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// require.NoError(t, err)
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// defer cleanup()
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// trapSignals()
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// cdc, amino := newTestCodec()
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// cms := store.NewCommitMultiStore(db)
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// authStoreKey := sdk.NewKVStoreKey(authtypes.StoreKey)
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// bankStoreKey := sdk.NewKVStoreKey(banktypes.StoreKey)
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// stakingStoreKey := sdk.NewKVStoreKey(stakingtypes.StoreKey)
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// evmStoreKey := sdk.NewKVStoreKey(evmtypes.StoreKey)
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// paramsStoreKey := sdk.NewKVStoreKey(paramtypes.StoreKey)
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// evmTransientStoreKey := sdk.NewTransientStoreKey(evmtypes.TransientKey)
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// paramsTransientStoreKey := sdk.NewTransientStoreKey(paramtypes.TStoreKey)
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// // mount stores
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// keys := []*sdk.KVStoreKey{authStoreKey, bankStoreKey, stakingStoreKey, evmStoreKey, paramsStoreKey}
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// tkeys := []*sdk.TransientStoreKey{paramsTransientStoreKey, evmTransientStoreKey}
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// for _, key := range keys {
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// cms.MountStoreWithDB(key, sdk.StoreTypeIAVL, nil)
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// }
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// for _, tkey := range tkeys {
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// cms.MountStoreWithDB(tkey, sdk.StoreTypeTransient, nil)
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// }
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// paramsKeeper := paramkeeper.NewKeeper(cdc, amino, paramsStoreKey, paramsTransientStoreKey)
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// // Set specific subspaces
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// authSubspace := paramsKeeper.Subspace(authtypes.ModuleName)
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// bankSubspace := paramsKeeper.Subspace(banktypes.ModuleName)
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// stakingSubspace := paramsKeeper.Subspace(stakingtypes.ModuleName)
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// evmSubspace := paramsKeeper.Subspace(evmtypes.ModuleName).WithKeyTable(evmtypes.ParamKeyTable())
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// // create keepers
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// ak := authkeeper.NewAccountKeeper(cdc, authStoreKey, authSubspace, types.ProtoAccount, nil)
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// bk := bankkeeper.NewBaseKeeper(cdc, bankStoreKey, ak, bankSubspace, nil)
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// sk := stakingkeeper.NewKeeper(cdc, stakingStoreKey, ak, bk, stakingSubspace)
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// evmKeeper := evmkeeper.NewKeeper(cdc, evmStoreKey, evmTransientStoreKey, evmSubspace, ak, bk, sk)
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// cms.SetPruning(sdkstore.PruneNothing)
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// // load latest version (root)
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// err = cms.LoadLatestVersion()
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// require.NoError(t, err)
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// // set and test genesis block
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// createAndTestGenesis(t, cms, ak, bk, evmKeeper)
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// // open blockchain export file
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// blockchainInput, err := os.Open(flagBlockchain)
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// require.Nil(t, err)
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// defer func() {
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// err := blockchainInput.Close()
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// require.NoError(t, err)
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// }()
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// // ethereum mainnet config
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// chainContext := NewChainContext()
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// vmConfig := ethvm.Config{}
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// chainConfig := ethparams.MainnetChainConfig
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// // create RLP stream for exported blocks
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// stream := ethrlp.NewStream(blockchainInput, 0)
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// startTime := time.Now()
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// var block ethtypes.Block
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// for {
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// err = stream.Decode(&block)
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// if err == io.EOF {
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// break
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// }
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// require.NoError(t, err, "failed to decode block")
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// var (
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// usedGas = new(uint64)
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// gp = new(ethcore.GasPool).AddGas(block.GasLimit())
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// )
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// header := block.Header()
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// chainContext.Coinbase = header.Coinbase
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// chainContext.SetHeader(block.NumberU64(), header)
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// // Create a cached-wrapped multi-store based on the commit multi-store and
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// // create a new context based off of that.
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// ms := cms.CacheMultiStore()
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// ctx := sdk.NewContext(ms, tmproto.Header{}, false, logger)
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// ctx = ctx.WithBlockHeight(int64(block.NumberU64()))
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// evmKeeper.WithContext(ctx)
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// if chainConfig.DAOForkSupport && chainConfig.DAOForkBlock != nil && chainConfig.DAOForkBlock.Cmp(block.Number()) == 0 {
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// applyDAOHardFork(evmKeeper)
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// }
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// for _, tx := range block.Transactions() {
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// receipt, gas, err := applyTransaction(
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// chainConfig, chainContext, nil, gp, evmKeeper, header, tx, usedGas, vmConfig,
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// )
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// require.NoError(t, err, "failed to apply tx at block %d; tx: %X; gas %d; receipt:%v", block.NumberU64(), tx.Hash(), gas, receipt)
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// require.NotNil(t, receipt)
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// }
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// // apply mining rewards
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// accumulateRewards(chainConfig, evmKeeper, header, block.Uncles())
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// // simulate BaseApp EndBlocker commitment
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// ms.Write()
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// cms.Commit()
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// // block debugging output
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// if block.NumberU64() > 0 && block.NumberU64()%1000 == 0 {
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// fmt.Printf("processed block: %d (time so far: %v)\n", block.NumberU64(), time.Since(startTime))
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// }
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// }
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// }
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// // accumulateRewards credits the coinbase of the given block with the mining
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// // reward. The total reward consists of the static block reward and rewards for
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// // included uncles. The coinbase of each uncle block is also rewarded.
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// func accumulateRewards(
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// config *ethparams.ChainConfig, evmKeeper *evmkeeper.Keeper,
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// header *ethtypes.Header, uncles []*ethtypes.Header,
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// ) {
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// // select the correct block reward based on chain progression
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// blockReward := ethash.FrontierBlockReward
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// if config.IsByzantium(header.Number) {
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// blockReward = ethash.ByzantiumBlockReward
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// }
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// // accumulate the rewards for the miner and any included uncles
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// reward := new(big.Int).Set(blockReward)
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// r := new(big.Int)
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// for _, uncle := range uncles {
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// r.Add(uncle.Number, rewardBig8)
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// r.Sub(r, header.Number)
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// r.Mul(r, blockReward)
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// r.Div(r, rewardBig8)
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// evmKeeper.AddBalance(uncle.Coinbase, r)
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// r.Div(blockReward, rewardBig32)
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// reward.Add(reward, r)
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// }
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// evmKeeper.AddBalance(header.Coinbase, reward)
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// }
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// // ApplyDAOHardFork modifies the state database according to the DAO hard-fork
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// // rules, transferring all balances of a set of DAO accounts to a single refund
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// // contract.
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// // Code is pulled from go-ethereum 1.9 because the StateDB interface does not include the
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// // SetBalance function implementation
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// // Ref: https://github.com/ethereum/go-ethereum/blob/52f2461774bcb8cdd310f86b4bc501df5b783852/consensus/misc/dao.go#L74
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// func applyDAOHardFork(evmKeeper *evmkeeper.Keeper) {
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// // Retrieve the contract to refund balances into
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// if !evmKeeper.Exist(ethparams.DAORefundContract) {
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// evmKeeper.CreateAccount(ethparams.DAORefundContract)
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// }
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// // Move every DAO account and extra-balance account funds into the refund contract
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// for _, addr := range ethparams.DAODrainList() {
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// evmKeeper.AddBalance(ethparams.DAORefundContract, evmKeeper.GetBalance(addr))
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// }
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// }
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// // ApplyTransaction attempts to apply a transaction to the given state database
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// // and uses the input parameters for its environment. It returns the receipt
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// // for the transaction, gas used and an error if the transaction failed,
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// // indicating the block was invalid.
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// // Function is also pulled from go-ethereum 1.9 because of the incompatible usage
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// // Ref: https://github.com/ethereum/go-ethereum/blob/52f2461774bcb8cdd310f86b4bc501df5b783852/core/state_processor.go#L88
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// func applyTransaction(
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// config *ethparams.ChainConfig, bc ethcore.ChainContext, author *common.Address,
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// gp *ethcore.GasPool, evmKeeper *evmkeeper.Keeper, header *ethtypes.Header,
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// tx *ethtypes.Transaction, usedGas *uint64, cfg ethvm.Config,
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// ) (*ethtypes.Receipt, uint64, error) {
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// msg, err := tx.AsMessage(ethtypes.MakeSigner(config, header.Number))
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// if err != nil {
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// return nil, 0, err
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// }
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// // Create a new context to be used in the EVM environment
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// blockCtx := ethcore.NewEVMBlockContext(header, bc, author)
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// txCtx := ethcore.NewEVMTxContext(msg)
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// // Create a new environment which holds all relevant information
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// // about the transaction and calling mechanisms.
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// vmenv := ethvm.NewEVM(blockCtx, txCtx, evmKeeper, config, cfg)
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// // Apply the transaction to the current state (included in the env)
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// execResult, err := ethcore.ApplyMessage(vmenv, msg, gp)
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// if err != nil {
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// // NOTE: ignore vm execution error (eg: tx out of gas at block 51169) as we care only about state transition errors
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// return ðtypes.Receipt{}, 0, nil
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// }
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// if err != nil {
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// return nil, execResult.UsedGas, err
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// }
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// root := common.Hash{}.Bytes()
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// *usedGas += execResult.UsedGas
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// // Create a new receipt for the transaction, storing the intermediate root and gas used by the tx
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// // based on the eip phase, we're passing whether the root touch-delete accounts.
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// receipt := ethtypes.NewReceipt(root, execResult.Failed(), *usedGas)
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// receipt.TxHash = tx.Hash()
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// receipt.GasUsed = execResult.UsedGas
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// // if the transaction created a contract, store the creation address in the receipt.
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// if msg.To() == nil {
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// receipt.ContractAddress = crypto.CreateAddress(vmenv.TxContext.Origin, tx.Nonce())
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// }
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// // Set the receipt logs and create a bloom for filtering
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// receipt.Logs = evmKeeper.GetTxLogs(tx.Hash())
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// receipt.Bloom = ethtypes.CreateBloom(ethtypes.Receipts{receipt})
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// receipt.BlockHash = header.Hash()
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// receipt.BlockNumber = header.Number
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// receipt.TransactionIndex = uint(evmKeeper.GetTxIndexTransient())
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// return receipt, execResult.UsedGas, err
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// }
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