/
account.go
246 lines (211 loc) · 6.58 KB
/
account.go
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package keeper
import (
"sync"
ethcmn "github.com/ethereum/go-ethereum/common"
"github.com/FiboChain/fbc/libs/cosmos-sdk/store/mpt"
sdk "github.com/FiboChain/fbc/libs/cosmos-sdk/types"
"github.com/FiboChain/fbc/libs/cosmos-sdk/x/auth/exported"
"github.com/FiboChain/fbc/libs/cosmos-sdk/x/auth/types"
tmtypes "github.com/FiboChain/fbc/libs/tendermint/types"
"github.com/tendermint/go-amino"
)
// NewAccountWithAddress implements sdk.AccountKeeper.
func (ak AccountKeeper) NewAccountWithAddress(ctx sdk.Context, addr sdk.AccAddress) exported.Account {
acc := ak.proto()
err := acc.SetAddress(addr)
if err != nil {
panic(err)
}
return ak.NewAccount(ctx, acc)
}
// NewAccount sets the next account number to a given account interface
func (ak AccountKeeper) NewAccount(ctx sdk.Context, acc exported.Account) exported.Account {
if err := acc.SetAccountNumber(ak.GetNextAccountNumber(ctx)); err != nil {
panic(err)
}
return acc
}
var addrStoreKeyPool = &sync.Pool{
New: func() interface{} {
return &[33]byte{}
},
}
// GetAccount implements sdk.AccountKeeper.
func (ak AccountKeeper) GetAccount(ctx sdk.Context, addr sdk.AccAddress) exported.Account {
if data, gas, ok := ctx.Cache().GetAccount(ethcmn.BytesToAddress(addr)); ok {
ctx.GasMeter().ConsumeGas(gas, "x/auth/keeper/account.go/GetAccount")
if data == nil {
return nil
}
return data.Copy()
}
var key sdk.StoreKey
if tmtypes.HigherThanMars(ctx.BlockHeight()) {
key = ak.mptKey
} else {
key = ak.key
}
store := ctx.GetReusableKVStore(key)
keyTarget := addrStoreKeyPool.Get().(*[33]byte)
defer func() {
addrStoreKeyPool.Put(keyTarget)
ctx.ReturnKVStore(store)
}()
bz := store.Get(types.MakeAddressStoreKey(addr, keyTarget[:0]))
if bz == nil {
ctx.Cache().UpdateAccount(addr, nil, len(bz), false)
return nil
}
acc := ak.decodeAccount(bz)
if ctx.Cache().IsEnabled() {
ctx.Cache().UpdateAccount(addr, acc.Copy(), len(bz), false)
}
return acc
}
// LoadAccount load account from store without return, only used in pre deliver tx
func (ak AccountKeeper) LoadAccount(ctx sdk.Context, addr sdk.AccAddress) {
if _, gas, ok := ctx.Cache().GetAccount(ethcmn.BytesToAddress(addr)); ok {
ctx.GasMeter().ConsumeGas(gas, "x/auth/keeper/account.go/GetAccount")
return
}
var key sdk.StoreKey
if tmtypes.HigherThanMars(ctx.BlockHeight()) {
key = ak.mptKey
} else {
key = ak.key
}
store := ctx.GetReusableKVStore(key)
keyTarget := addrStoreKeyPool.Get().(*[33]byte)
defer func() {
addrStoreKeyPool.Put(keyTarget)
ctx.ReturnKVStore(store)
}()
bz := store.Get(types.MakeAddressStoreKey(addr, keyTarget[:0]))
var acc exported.Account
if bz != nil {
acc = ak.decodeAccount(bz)
}
ctx.Cache().UpdateAccount(addr, acc, len(bz), false)
return
}
// GetAllAccounts returns all accounts in the accountKeeper.
func (ak AccountKeeper) GetAllAccounts(ctx sdk.Context) (accounts []exported.Account) {
ak.IterateAccounts(ctx,
func(acc exported.Account) (stop bool) {
accounts = append(accounts, acc)
return false
})
return accounts
}
// SetAccount implements sdk.AccountKeeper.
func (ak AccountKeeper) SetAccount(ctx sdk.Context, acc exported.Account) {
addr := acc.GetAddress()
var key sdk.StoreKey
if tmtypes.HigherThanMars(ctx.BlockHeight()) {
key = ak.mptKey
} else {
key = ak.key
}
store := ctx.GetReusableKVStore(key)
defer ctx.ReturnKVStore(store)
bz := ak.encodeAccount(acc)
storeAccKey := types.AddressStoreKey(addr)
store.Set(storeAccKey, bz)
if !tmtypes.HigherThanMars(ctx.BlockHeight()) && mpt.TrieWriteAhead {
ctx.MultiStore().GetKVStore(ak.mptKey).Set(storeAccKey, bz)
}
if ctx.Cache().IsEnabled() {
ctx.Cache().UpdateAccount(addr, acc.Copy(), len(bz), true)
}
if ctx.IsDeliver() && (tmtypes.HigherThanMars(ctx.BlockHeight()) || mpt.TrieWriteAhead) {
mpt.GAccToPrefetchChannel <- [][]byte{storeAccKey}
}
if !ctx.IsCheckTx() && !ctx.IsReCheckTx() {
if ak.observers != nil {
for _, observer := range ak.observers {
if observer != nil {
observer.OnAccountUpdated(acc)
}
}
}
}
}
func (ak *AccountKeeper) encodeAccount(acc exported.Account) (bz []byte) {
var err error
if accSizer, ok := acc.(amino.MarshalBufferSizer); ok {
bz, err = ak.cdc.MarshalBinaryWithSizer(accSizer, false)
if err == nil {
return bz
}
}
bz, err = ak.cdc.MarshalBinaryBareWithRegisteredMarshaller(acc)
if err != nil {
bz, err = ak.cdc.MarshalBinaryBare(acc)
}
if err != nil {
panic(err)
}
return bz
}
// RemoveAccount removes an account for the account mapper store.
// NOTE: this will cause supply invariant violation if called
func (ak AccountKeeper) RemoveAccount(ctx sdk.Context, acc exported.Account) {
addr := acc.GetAddress()
var store sdk.KVStore
if tmtypes.HigherThanMars(ctx.BlockHeight()) {
store = ctx.KVStore(ak.mptKey)
} else {
store = ctx.KVStore(ak.key)
}
storeAccKey := types.AddressStoreKey(addr)
store.Delete(storeAccKey)
if !tmtypes.HigherThanMars(ctx.BlockHeight()) && mpt.TrieWriteAhead {
ctx.MultiStore().GetKVStore(ak.mptKey).Delete(storeAccKey)
}
if ctx.IsDeliver() && (tmtypes.HigherThanMars(ctx.BlockHeight()) || mpt.TrieWriteAhead) {
mpt.GAccToPrefetchChannel <- [][]byte{storeAccKey}
}
ctx.Cache().UpdateAccount(addr, nil, 0, true)
}
// IterateAccounts iterates over all the stored accounts and performs a callback function
func (ak AccountKeeper) IterateAccounts(ctx sdk.Context, cb func(account exported.Account) (stop bool)) {
var store sdk.KVStore
if tmtypes.HigherThanMars(ctx.BlockHeight()) {
store = ctx.KVStore(ak.mptKey)
} else {
store = ctx.KVStore(ak.key)
}
iterator := sdk.KVStorePrefixIterator(store, types.AddressStoreKeyPrefix)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
account := ak.decodeAccount(iterator.Value())
if cb(account) {
break
}
}
}
// IterateAccounts iterates over all the stored accounts and performs a callback function
func (ak AccountKeeper) MigrateAccounts(ctx sdk.Context, cb func(account exported.Account, key, value []byte) (stop bool)) {
var store sdk.KVStore
if tmtypes.HigherThanMars(ctx.BlockHeight()) {
store = ctx.KVStore(ak.mptKey)
} else {
store = ctx.KVStore(ak.key)
}
iterator := sdk.KVStorePrefixIterator(store, types.AddressStoreKeyPrefix)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
account := ak.decodeAccount(iterator.Value())
if cb(account, iterator.Key(), iterator.Value()) {
break
}
}
}
func (ak AccountKeeper) GetEncodedAccountSize(acc exported.Account) int {
if sizer, ok := acc.(amino.Sizer); ok {
// typeprefix + amino bytes
return 4 + sizer.AminoSize(ak.cdc)
} else {
return len(ak.cdc.MustMarshalBinaryBare(acc))
}
}