Remove reference to eosjs-ecc and add tests for new logic

some change

Refactor

New version

Fix linting

package.json

@@ -25,20 +25,21 @@
     "@babel/core": "7.6.0",
     "@babel/preset-env": "7.2.3",
     "@babel/preset-react": "7.0.0",
-    "@ledgerhq/hw-transport": "4.48.0",
-    "@ledgerhq/hw-transport-u2f": "4.48.0",
+    "@ledgerhq/hw-transport": "5.0.0-babel7.3",
+    "@ledgerhq/hw-transport-u2f": "5.0.0-babel7.3",
+    "@types/elliptic": "^6.4.10",
+    "@types/jest": "^23.3.9",
     "asn1-ber": "1.0.9",
     "bip32-path": "0.4.2",
     "buffer": "5.2.1",
-    "eosjs": "20.0.0",
-    "eosjs-ecc": "4.0.4"
+    "eosjs": "20.0.4-67ee21f.0",
+    "elliptic": "^6.5.0"
   },
   "devDependencies": {
     "@babel/cli": "^7.6.0",
     "@babel/plugin-proposal-class-properties": "^7.3.0",
     "@blockone/tslint-config-blockone": "^4.0.0",
     "@types/node": "^11.9.4",
-    "babel-polyfill": "^6.26.0",
     "jest": "^24.1.0",
     "ts-jest": "^23.10.4",
     "tslib": "^1.9.3",

src/LedgerUtils.test.ts

@@ -0,0 +1,58 @@
+import { Signature } from 'eosjs/dist/eosjs-jssig'
+import { convertSignatures } from './LedgerUtils'
+
+const mockedConvertedSignatureValue = 'mockedConvertedSignatureValue'
+
+describe('JsSignatureProvider', () => {
+  it('should not convert signature given string with length < 130 characters', async () => {
+    const signature = 'someSignature'
+    const result = convertSignatures([signature], mockConvertSignature)
+
+    expect(result[0]).toBe(signature)
+  })
+
+  it('should not convert signature given string with length > 130 characters', async () => {
+    const signature = '4cf0909aa10f10341cd7ca013630492d09b65e50c80974e962d94bbc95df635e90afb2e4dd22eb254cb451ca26a6aeb0b88e9b031a2233b2a16d56252dba83f9632-more-than-130-characters'
+    const result = convertSignatures([signature], mockConvertSignature)
+
+    expect(result[0]).toBe(signature)
+  })
+
+  it('should convert signature given string with length === 130 characters', () => {
+    const signature = 'SIG_K1_HKkqi3zray76i63ZQwAHWMjoLk3wTa1ajZWPcUnrhgmSWQYEHDJsxkny6VDTWEmVdfktxpGoTA81qe6QuCrDmazeQndmxhktxpGoTA81qe6QuCrDmazeQndmxhD'
+    const result = convertSignatures([signature], mockConvertSignature)
+
+    expect(result[0]).toBe(mockedConvertedSignatureValue)
+  })
+
+  it('should convert signature given string with length === 130 characters, but not another signature with length < 130 characters', () => {
+    const signature1 = 'SIG_K1_HKkqi3zray76i63ZQwAHWMjoLk3wTa1ajZWPcUnrhgmSWQYEHDJsxkny6VDTWEmVdfktxpGoTA81qe6QuCrDmazeQndmxhktxpGoTA81qe6QuCrDmazeQndmxhD'
+    const signature2 = 'someSignature'
+    const result = convertSignatures([signature1, signature2], mockConvertSignature)
+
+    expect(result[0]).toBe(mockedConvertedSignatureValue)
+    expect(result[1]).toBe(signature2)
+  })
+
+  it('should convert signature given string with length === 130 characters, but not another signature with length > 130 characters', () => {
+    const signature1 = 'SIG_K1_HKkqi3zray76i63ZQwAHWMjoLk3wTa1ajZWPcUnrhgmSWQYEHDJsxkny6VDTWEmVdfktxpGoTA81qe6QuCrDmazeQndmxhktxpGoTA81qe6QuCrDmazeQndmxhD'
+    const signature2 = '4cf0909aa10f10341cd7ca013630492d09b65e50c80974e962d94bbc95df635e90afb2e4dd22eb254cb451ca26a6aeb0b88e9b031a2233b2a16d56252dba83f9632-more-than-130-characters'
+    const result = convertSignatures([signature1, signature2], mockConvertSignature)
+
+    expect(result[0]).toBe(mockedConvertedSignatureValue)
+    expect(result[1]).toBe(signature2)
+  })
+
+  it('should convert multiple signatures given string with length === 130 characters', () => {
+    const signature1 = 'SIG_K1_HKkqi3zray76i63ZQwAHWMjoLk3wTa1ajZWPcUnrhgmSWQYEHDJsxkny6VDTWEmVdfktxpGoTA81qe6QuCrDmazeQndmxhktxpGoTA81qe6QuCrDmazeQndmxhD'
+    const signature2 = 'SIG_K1_HKkqi3zray76i63ZQwAHWMjoLk3wTa1ajZWPcUnrhgmSWQYEHDJsxkny6VDTWEmVdfktxpGoTA81qe6QuCrDmazeQndmxhktxpGoTA81qe6QuCrDmazeQndmxhD'
+    const result = convertSignatures([signature1, signature2], mockConvertSignature)
+
+    expect(result[0]).toBe(mockedConvertedSignatureValue)
+    expect(result[1]).toBe(mockedConvertedSignatureValue)
+  })
+})
+
+function mockConvertSignature(signature: string) {
+  return mockedConvertedSignatureValue
+}

src/LedgerUtils.ts

@@ -1,8 +1,6 @@
 import Transport from '@ledgerhq/hw-transport-u2f'
 import { Api, JsonRpc, Serialize } from 'eosjs'
-import { JsSignatureProvider } from 'eosjs/dist/eosjs-jssig'
-
-import ecc from 'eosjs-ecc'
+import { JsSignatureProvider, Signature } from 'eosjs/dist/eosjs-jssig'
 
 import asn1 from 'asn1-ber'
 import Buff from 'buffer/'
@@ -32,7 +30,8 @@ export async function getTransport() {
   return cachedTransport
 }
 
-export const convertSignatures = (sigs: string[]): string[] => {
+export const convertSignatures = (sigs: string[],
+                                  signatureConversion: (signature: string) => string = convertSignature): string[] => {
   if (!Array.isArray(sigs)) {
     sigs = [sigs]
   }
@@ -42,7 +41,7 @@ export const convertSignatures = (sigs: string[]): string[] => {
   for (let i = 0; i < sigs.length; i++) {
     const sig = sigs[i]
     if (typeof sig === 'string' && sig.length === 130) {
-      sigs[i] = ecc.Signature.from(sig).toString()
+      sigs[i] = signatureConversion(sig)
     }
   }
 
@@ -117,3 +116,7 @@ const createNewBuffer = (api: Api, type: string, data: any) => {
 const encode = (writer: any , buffer: Uint8Array) => {
   writer.writeBuffer(Buff.Buffer.from(buffer), asn1.Ber.OctetString)
 }
+
+const convertSignature = (sig: string): string => {
+  return Signature.fromString(sig).toString()
+}

tsconfig.json

@@ -12,7 +12,6 @@
       "esModuleInterop": true,
       "skipLibCheck": true,
       "jsx": "react",
-      "types": [],
       "lib": ["es2015", "dom"]
   },
   "include": [