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evm: fix import/export genesis for contract storage (#590)

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* Problem: import/export roundtrip test fail contract storage

Closes: #589

- don't hash the key again in InitGenesis

* changelog

* try to fix estimate-gas undeterministics Closes #536
This commit is contained in:
yihuang 2021-09-27 18:26:45 +08:00 committed by GitHub
parent 2088297e3d
commit d6a64a275a
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 3 additions and 21 deletions
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1
CHANGELOG.md
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@ -41,6 +41,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
* (app) [tharsis#476](https://github.com/tharsis/ethermint/pull/476) Update Bech32 HRP to `ethm`.
* (evm) [tharsis#556](https://github.com/tharsis/ethermint/pull/556) Remove tx logs and block bloom from chain state
* (evm) [tharsis#590](https://github.com/tharsis/ethermint/pull/590) Contract storage key is not hashed anymore
### API Breaking

3
x/evm/keeper/grpc_query_test.go
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@ -478,7 +478,6 @@ func (suite *KeeperTestSuite) TestQueryValidatorAccount() {
}
func (suite *KeeperTestSuite) TestEstimateGas() {
ctx := sdk.WrapSDKContext(suite.ctx)
gasHelper := hexutil.Uint64(20000)
var (
@ -545,7 +544,7 @@ func (suite *KeeperTestSuite) TestEstimateGas() {
GasCap: gasCap,
}
rsp, err := suite.queryClient.EstimateGas(ctx, &req)
rsp, err := suite.queryClient.EstimateGas(sdk.WrapSDKContext(suite.ctx), &req)
if tc.expPass {
suite.Require().NoError(err)
suite.Require().Equal(tc.expGas, rsp.Gas)

1
x/evm/keeper/keeper.go
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@ -307,7 +307,6 @@ func (k Keeper) GetAccountStorage(ctx sdk.Context, address common.Address) (type
func (k Keeper) DeleteState(addr common.Address, key common.Hash) {
store := prefix.NewStore(k.Ctx().KVStore(k.storeKey), types.AddressStoragePrefix(addr))
key = types.KeyAddressStorage(addr, key)
store.Delete(key.Bytes())
}

4
x/evm/keeper/statedb.go
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@ -454,10 +454,9 @@ func (k *Keeper) GetRefund() uint64 {
// State
// ----------------------------------------------------------------------------
func doGetState(ctx sdk.Context, storeKey sdk.StoreKey, addr common.Address, hash common.Hash) common.Hash {
func doGetState(ctx sdk.Context, storeKey sdk.StoreKey, addr common.Address, key common.Hash) common.Hash {
store := prefix.NewStore(ctx.KVStore(storeKey), types.AddressStoragePrefix(addr))
key := types.KeyAddressStorage(addr, hash)
value := store.Get(key.Bytes())
if len(value) == 0 {
return common.Hash{}
@ -496,7 +495,6 @@ func (k *Keeper) SetState(addr common.Address, key, value common.Hash) {
ctx := k.Ctx()
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.AddressStoragePrefix(addr))
key = types.KeyAddressStorage(addr, key)
action := "updated"
if ethermint.IsEmptyHash(value.Hex()) {

15
x/evm/types/key.go
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@ -2,7 +2,6 @@ package types
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
)
const (
@ -69,17 +68,3 @@ func AddressStoragePrefix(address common.Address) []byte {
func StateKey(address common.Address, key []byte) []byte {
return append(AddressStoragePrefix(address), key...)
}
// KeyAddressStorage returns the key hash to access a given account state. The composite key
// (address + hash) is hashed using Keccak256.
func KeyAddressStorage(address common.Address, hash common.Hash) common.Hash {
prefix := address.Bytes()
key := hash.Bytes()
compositeKey := make([]byte, len(prefix)+len(key))
copy(compositeKey, prefix)
copy(compositeKey[len(prefix):], key)
return crypto.Keccak256Hash(compositeKey)
}