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-rw-r--r--packages/base-contract/src/index.ts3
1 files changed, 2 insertions, 1 deletions
diff --git a/packages/base-contract/src/index.ts b/packages/base-contract/src/index.ts
index a8e4ad2e2..354362d45 100644
--- a/packages/base-contract/src/index.ts
+++ b/packages/base-contract/src/index.ts
@@ -1,5 +1,6 @@
import { abiUtils, BigNumber } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import { FunctionAbi } from 'ethereum-protocol';
import {
AbiDefinition,
AbiType,
@@ -129,7 +130,7 @@ export class BaseContract {
if (abiDefinition.type !== AbiType.Function) {
return false;
}
- const abiFunctionSignature = abiUtils.getFunctionSignature(abiDefinition);
+ const abiFunctionSignature = abiUtils.getFunctionSignature(abiDefinition as MethodAbi);
if (abiFunctionSignature === functionSignature) {
return true;
}