chore(portfolio): added isprimary helper

packages/portfolio/src/helpers/is-primary.test.ts

@@ -0,0 +1,16 @@
+import {tokenInfoMocks} from '../adapters/token-info.mocks'
+import {isPrimary} from './is-primary'
+
+describe('isPrimary', () => {
+  it('should return true if the token nature is Primary', () => {
+    const result = isPrimary(tokenInfoMocks.primaryETH)
+
+    expect(result).toBe(true)
+  })
+
+  it('should return false if the token nature is not Primary', () => {
+    const result = isPrimary(tokenInfoMocks.nftCryptoKitty)
+
+    expect(result).toBe(false)
+  })
+})

packages/portfolio/src/helpers/is-primary.ts

@@ -0,0 +1,5 @@
+import {Portfolio} from '@yoroi/types'
+
+export function isPrimary(info: Portfolio.Token.Info) {
+  return info.nature === Portfolio.Token.Nature.Primary
+}

packages/portfolio/src/index.ts

@@ -3,6 +3,7 @@ export * from './helpers/amount-breakdown'
 export * from './helpers/create-primary-token-info'
 export * from './helpers/sorting'
 export * from './helpers/info-extract-name'
+export * from './helpers/is-primary'
 
 export * from './adapters/amount.mocks'
 export * from './adapters/dullahan-api/api-maker.mocks'