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-rw-r--r--packages/contracts/src/abstract/abstract_asset_wrapper.ts5
1 files changed, 5 insertions, 0 deletions
diff --git a/packages/contracts/src/abstract/abstract_asset_wrapper.ts b/packages/contracts/src/abstract/abstract_asset_wrapper.ts
new file mode 100644
index 000000000..521335f18
--- /dev/null
+++ b/packages/contracts/src/abstract/abstract_asset_wrapper.ts
@@ -0,0 +1,5 @@
+import { BigNumber } from '@0xproject/utils';
+
+export abstract class AbstractAssetWrapper {
+ public abstract getProxyId(): number;
+}