1 files changed, 5 insertions, 0 deletions
diff --git a/packages/utils/src/abi_encoder/evm_data_types/string.ts b/packages/utils/src/abi_encoder/evm_data_types/string.ts
index 97ac46442..f54d739b4 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/string.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/string.ts
@@ -9,6 +9,7 @@ import { constants } from '../utils/constants';
 
 export class StringDataType extends AbstractBlobDataType {
     private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = false;
+    private static readonly _DEFAULT_VALUE = '';
 
     public static matchType(type: string): boolean {
         return type === SolidityTypes.String;
@@ -52,6 +53,10 @@ export class StringDataType extends AbstractBlobDataType {
         return value;
     }
 
+    public getDefaultValue(): string {
+        return StringDataType._DEFAULT_VALUE;
+    }
+
     public getSignatureType(): string {
         return SolidityTypes.String;
     }