laconicd-deprecated/x/evm/genesis.go
Austin Abell 09a71a2a3a
eth_getBlockByHash and block hash mapping functionality (#114)
* Set up block hash to height mapping storage and fixed linting issues

* fix typos

* Set up module query for block height

* fix bug with block mappings and implemented get block by hash

* Fix other consensus hash references
2019-09-27 10:08:45 -04:00

62 lines
1.7 KiB
Go

package evm
import (
"fmt"
"math/big"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/ethermint/types"
ethcmn "github.com/ethereum/go-ethereum/common"
abci "github.com/tendermint/tendermint/abci/types"
)
type (
// GenesisState defines the application's genesis state. It contains all the
// information required and accounts to initialize the blockchain.
GenesisState struct {
Accounts []GenesisAccount `json:"accounts"`
}
// GenesisAccount defines an account to be initialized in the genesis state.
GenesisAccount struct {
Address ethcmn.Address `json:"address"`
Balance *big.Int `json:"balance"`
Code []byte `json:"code,omitempty"`
Storage types.Storage `json:"storage,omitempty"`
}
)
// ValidateGenesis validates evm genesis config
func ValidateGenesis(data GenesisState) error {
for _, acct := range data.Accounts {
if len(acct.Address.Bytes()) == 0 {
return fmt.Errorf("Invalid GenesisAccount Error: Missing Address")
}
if acct.Balance == nil {
return fmt.Errorf("Invalid GenesisAccount Error: Missing Balance")
}
}
return nil
}
// DefaultGenesisState sets default evm genesis config
func DefaultGenesisState() GenesisState {
return GenesisState{
Accounts: []GenesisAccount{},
}
}
// InitGenesis initializes genesis state based on exported genesis
func InitGenesis(ctx sdk.Context, keeper Keeper, data GenesisState) []abci.ValidatorUpdate {
for _, record := range data.Accounts {
keeper.SetCode(ctx, record.Address, record.Code)
keeper.CreateGenesisAccount(ctx, record)
}
return []abci.ValidatorUpdate{}
}
// ExportGenesis exports genesis state
func ExportGenesis(ctx sdk.Context, k Keeper) GenesisState {
return GenesisState{Accounts: nil}
}