Merge pull request #1614 from blockscout/interpretation-validation-fix

fix tx interpretation validation

ui/tx/interpretation/utils.test.ts

@@ -13,13 +13,13 @@ it('split string without capturing variables', () => {
 });
 
 it('checks that summary is valid', () => {
-  const result = checkSummary('{foo} {bar}', { foo: { type: 'string', value: 'foo' }, bar: { type: 'string', value: 'bar' } });
+  const result = checkSummary('{foo} {native} {bar}', { foo: { type: 'string', value: 'foo' }, bar: { type: 'string', value: 'bar' } });
   expect(result).toBe(true);
 });
 
 it('checks that summary is invalid', () => {
   // eslint-disable-next-line @typescript-eslint/ban-ts-comment
   // @ts-ignore:
-  const result = checkSummary('{foo} {bar}', { foo: { type: 'string', value: null }, bar: { type: 'string', value: 'bar' } });
+  const result = checkSummary('{foo} {native} {bar}', { foo: { type: 'string', value: null }, bar: { type: 'string', value: 'bar' } });
   expect(result).toBe(false);
 });

ui/tx/interpretation/utils.ts

@@ -24,6 +24,9 @@ export function checkSummary(template: string, variables: Record<string, TxInter
   const variablesNames = extractVariables(template);
   let result = true;
   for (const name of variablesNames) {
+    if (name === NATIVE_COIN_SYMBOL_VAR_NAME) {
+      continue;
+    }
     if (!variables[name] || variables[name].value === undefined || variables[name].value === null) {
       result = false;
       break;