Contract verify feature upgrade

src/pages/AddressPage/ContractDetails/index.tsx

@@ -201,6 +201,16 @@ export const VerifiedContractDetails = (props: {
                   </StyledTextArea>
                 }
               />
+              {props.sourceCode.constructorArguments ? (
+                <Item
+                  label="Constructor Arguments (ABI-encoded)"
+                  value={
+                    <StyledTextArea readOnly={true} rows={4} cols={100}>
+                      {props.sourceCode.constructorArguments || ""}
+                    </StyledTextArea>
+                  }
+                />
+              ) : null}
               {props.contracts ? (
                 <Item
                   label="Bytecode"

src/pages/VerifyContract/VerifyContract.tsx

@@ -199,6 +199,21 @@ class VerifyContractBase extends React.Component<
               />
             </Field>
 
+            <Field margin={"small"}>
+              <Text>Constructor Arguments (ABI-encoded)</Text>
+              <TextArea
+                style={{ minHeight: "80px", height: "80px" }}
+                onChange={(evt: React.ChangeEvent<HTMLTextAreaElement>) => {
+                  this.setState({
+                    ...this.state,
+                    constructorArguments: evt.currentTarget.value,
+                  });
+                }}
+                disabled={isLoading}
+                value={this.state.constructorArguments}
+              />
+            </Field>
+
             <Field margin={"small"}>
               <Text>Contract Library Address</Text>
               <Button