Plugins and AccountCaches

types/account.go

@@ -40,5 +40,11 @@ type AccountGetter interface {
 
 type AccountGetterSetter interface {
 	GetAccount(addr []byte) *Account
-	SetAccount(acc *Account)
+	SetAccount(addr []byte, acc *Account)
+}
+
+type AccountCacher interface {
+	GetAccount(addr []byte) *Account
+	SetAccount(addr []byte, acc *Account)
+	Sync()
 }

types/native.go

@@ -1,6 +0,0 @@
-package types
-
-type Plugin func(ags AccountGetterSetter,
-	caller *Account,
-	input []byte,
-	gas *int64) (result []byte, err error)

types/plugin.go

@@ -0,0 +1,28 @@
+package types
+
+import (
+	tmsp "github.com/tendermint/tmsp/types"
+)
+
+// Value is any floating value.  It must be given to someone.
+// Gas is a pointer to remainig gas.  Decrement as you go,
+// if any gas is left the user is
+type Plugin interface {
+	CallTx(ctx CallContext, txBytes []byte) tmsp.Result
+}
+
+type CallContext struct {
+	Cache  AccountCacher
+	Caller *Account
+	Value  int64
+	Gas    *int64
+}
+
+func NewCallContext(cache AccountCacher, caller *Account, value int64, gas *int64) CallContext {
+	return CallContext{
+		Cache:  cache,
+		Caller: caller,
+		Value:  value,
+		Gas:    gas,
+	}
+}