1 files changed, 60 insertions, 0 deletions
diff --git a/ledger/internal/assetcow.go b/ledger/internal/assetcow.go
new file mode 100644
index 000000000..b28d09a7f
--- /dev/null
+++ b/ledger/internal/assetcow.go
@@ -0,0 +1,60 @@
+// Copyright (C) 2019-2021 Algorand, Inc.
+// This file is part of go-algorand
+//
+// go-algorand is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// go-algorand is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with go-algorand.  If not, see <https://www.gnu.org/licenses/>.
+
+package internal
+
+import (
+	"github.com/algorand/go-algorand/data/basics"
+	"github.com/algorand/go-algorand/ledger/ledgercore"
+)
+
+func (cs *roundCowState) AllocateAsset(addr basics.Address, index basics.AssetIndex, global bool) error {
+	if global {
+		cs.mods.Creatables[basics.CreatableIndex(index)] = ledgercore.ModifiedCreatable{
+			Ctype:   basics.AssetCreatable,
+			Creator: addr,
+			Created: true,
+		}
+
+		cs.trackCreatable(basics.CreatableIndex(index))
+	} else {
+		aa := ledgercore.AccountAsset{
+			Address: addr,
+			Asset:   index,
+		}
+		cs.mods.ModifiedAssetHoldings[aa] = true
+	}
+
+	return nil
+}
+
+func (cs *roundCowState) DeallocateAsset(addr basics.Address, index basics.AssetIndex, global bool) error {
+	if global {
+		cs.mods.Creatables[basics.CreatableIndex(index)] = ledgercore.ModifiedCreatable{
+			Ctype:   basics.AssetCreatable,
+			Creator: addr,
+			Created: false,
+		}
+	} else {
+		aa := ledgercore.AccountAsset{
+			Address: addr,
+			Asset:   index,
+		}
+		cs.mods.ModifiedAssetHoldings[aa] = false
+	}
+
+	return nil
+}