move account back to types

types/account.go

@@ -0,0 +1,27 @@
+package types
+
+import (
+	crypto "github.com/tendermint/go-crypto"
+)
+
+// AccountStore indexes accounts by address.
+type AccountStore interface {
+	NewAccountWithAddress(addr crypto.Address) Account
+	GetAccount(addr crypto.Address) Account
+	SetAccount(acc Account)
+}
+
+// Account is a standard account using a sequence number for replay protection
+// and a pubkey for authentication.
+type Account interface {
+	Address() crypto.Address
+
+	GetPubKey() crypto.PubKey
+	SetPubKey(crypto.PubKey) error
+
+	GetSequence() int64
+	SetSequence(int64) error
+
+	Get(key interface{}) (value interface{}, err error)
+	Set(key interface{}, value interface{}) error
+}

types/model.go

@@ -0,0 +1,15 @@
+package types
+
+import crypto "github.com/tendermint/go-crypto"
+
+type Model interface {
+	Address() crypto.Address
+
+	Get(key interface{}) interface{}
+	Set(key interface{}, value interface{})
+}
+
+type ModelStore interface {
+	Load(addr crypto.Address) Model
+	Store(m Model)
+}