101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
package evm
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import (
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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ethcmn "github.com/ethereum/go-ethereum/common"
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abci "github.com/tendermint/tendermint/abci/types"
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ethermint "github.com/tharsis/ethermint/types"
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"github.com/tharsis/ethermint/x/evm/keeper"
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"github.com/tharsis/ethermint/x/evm/types"
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)
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// InitGenesis initializes genesis state based on exported genesis
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func InitGenesis(
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ctx sdk.Context,
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k *keeper.Keeper,
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accountKeeper types.AccountKeeper, // nolint: interfacer
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data types.GenesisState,
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) []abci.ValidatorUpdate {
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k.WithContext(ctx)
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k.WithChainID(ctx)
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k.SetParams(ctx, data.Params)
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for _, account := range data.Accounts {
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address := ethcmn.HexToAddress(account.Address)
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accAddress := sdk.AccAddress(address.Bytes())
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// check that the EVM balance the matches the account balance
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acc := accountKeeper.GetAccount(ctx, accAddress)
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if acc == nil {
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panic(fmt.Errorf("account not found for address %s", account.Address))
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}
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_, ok := acc.(*ethermint.EthAccount)
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if !ok {
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panic(
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fmt.Errorf("account %s must be an %T type, got %T",
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account.Address, ðermint.EthAccount{}, acc,
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),
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)
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}
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k.SetCode(address, ethcmn.Hex2Bytes(account.Code))
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for _, storage := range account.Storage {
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k.SetState(address, ethcmn.HexToHash(storage.Key), ethcmn.HexToHash(storage.Value))
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}
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}
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for _, txLog := range data.TxsLogs {
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k.SetLogs(ethcmn.HexToHash(txLog.Hash), txLog.EthLogs())
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}
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k.SetChainConfig(ctx, data.ChainConfig)
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return []abci.ValidatorUpdate{}
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}
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// ExportGenesis exports genesis state of the EVM module
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func ExportGenesis(ctx sdk.Context, k *keeper.Keeper, ak types.AccountKeeper) *types.GenesisState {
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k.WithContext(ctx)
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// nolint: prealloc
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var ethGenAccounts []types.GenesisAccount
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ak.IterateAccounts(ctx, func(account authtypes.AccountI) bool {
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ethAccount, ok := account.(*ethermint.EthAccount)
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if !ok {
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// ignore non EthAccounts
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return false
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}
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addr := ethAccount.EthAddress()
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storage, err := k.GetAccountStorage(ctx, addr)
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if err != nil {
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panic(err)
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}
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genAccount := types.GenesisAccount{
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Address: addr.String(),
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Code: ethcmn.Bytes2Hex(k.GetCode(addr)),
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Storage: storage,
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}
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ethGenAccounts = append(ethGenAccounts, genAccount)
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return false
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})
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config, _ := k.GetChainConfig(ctx)
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return &types.GenesisState{
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Accounts: ethGenAccounts,
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TxsLogs: k.GetAllTxLogs(ctx),
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ChainConfig: config,
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Params: k.GetParams(ctx),
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}
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}
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