move ConversionTypeHelper functions to Provider

src/services/Provider.ts

@@ -1,6 +1,6 @@
 import Web3 from 'web3'
 import fetch from 'cross-fetch'
-import { LoggerInstance, getData, noZeroX } from '../utils'
+import { LoggerInstance, getData } from '../utils'
 import {
   FileMetadata,
   ComputeJob,
@@ -526,7 +526,7 @@ export class Provider {
 
     let signatureMessage = consumerAddress
     signatureMessage += jobId || ''
-    signatureMessage += (did && `${noZeroX(did)}`) || ''
+    signatureMessage += (did && `${this.noZeroX(did)}`) || ''
     signatureMessage += nonce
     const signature = await this.signProviderRequest(
       web3,
@@ -535,7 +535,7 @@ export class Provider {
     )
     const payload = Object()
     payload.signature = signature
-    payload.documentId = noZeroX(did)
+    payload.documentId = this.noZeroX(did)
     payload.consumerAddress = consumerAddress
     if (jobId) payload.jobId = jobId
 
@@ -590,7 +590,7 @@ export class Provider {
       : null
 
     let url = `?consumerAddress=${consumerAddress}`
-    url += (did && `&documentId=${noZeroX(did)}`) || ''
+    url += (did && `&documentId=${this.noZeroX(did)}`) || ''
     url += (jobId && `&jobId=${jobId}`) || ''
 
     if (!computeStatusUrl) return null
@@ -699,7 +699,7 @@ export class Provider {
 
     let signatureMessage = consumerAddress
     signatureMessage += jobId || ''
-    signatureMessage += (did && `${noZeroX(did)}`) || ''
+    signatureMessage += (did && `${this.noZeroX(did)}`) || ''
     signatureMessage += nonce
     const signature = await this.signProviderRequest(
       web3,
@@ -707,7 +707,7 @@ export class Provider {
       signatureMessage
     )
     const payload = Object()
-    payload.documentId = noZeroX(did)
+    payload.documentId = this.noZeroX(did)
     payload.consumerAddress = consumerAddress
     payload.jobId = jobId
     if (signature) payload.signature = signature
@@ -766,6 +766,42 @@ export class Provider {
       return false
     }
   }
+
+  private zeroX(input: string): string {
+    return this.zeroXTransformer(input, true)
+  }
+
+  private noZeroX(input: string): string {
+    return this.zeroXTransformer(input, false)
+  }
+
+  private zeroXTransformer(input = '', zeroOutput: boolean): string {
+    const { valid, output } = this.inputMatch(
+      input,
+      /^(?:0x)*([a-f0-9]+)$/i,
+      'zeroXTransformer'
+    )
+    return (zeroOutput && valid ? '0x' : '') + output
+  }
+
+  // Shared functions
+  private inputMatch(
+    input: string,
+    regexp: RegExp,
+    conversorName: string
+  ): { valid: boolean; output: string } {
+    if (typeof input !== 'string') {
+      LoggerInstance.debug('Not input string:')
+      LoggerInstance.debug(input)
+      throw new Error(`[${conversorName}] Expected string, input type: ${typeof input}`)
+    }
+    const match = input.match(regexp)
+    if (!match) {
+      LoggerInstance.warn(`[${conversorName}] Input transformation failed.`)
+      return { valid: false, output: input }
+    }
+    return { valid: true, output: match[1] }
+  }
 }
 
 export const ProviderInstance = new Provider()

src/utils/ConversionTypeHelper.ts

@@ -1,27 +0,0 @@
-import { LoggerInstance } from '.'
-
-export const zeroX = (input: string): string => zeroXTransformer(input, true)
-export const noZeroX = (input: string): string => zeroXTransformer(input, false)
-export function zeroXTransformer(input = '', zeroOutput: boolean): string {
-  const { valid, output } = inputMatch(input, /^(?:0x)*([a-f0-9]+)$/i, 'zeroXTransformer')
-  return (zeroOutput && valid ? '0x' : '') + output
-}
-
-// Shared functions
-function inputMatch(
-  input: string,
-  regexp: RegExp,
-  conversorName: string
-): { valid: boolean; output: string } {
-  if (typeof input !== 'string') {
-    LoggerInstance.debug('Not input string:')
-    LoggerInstance.debug(input)
-    throw new Error(`[${conversorName}] Expected string, input type: ${typeof input}`)
-  }
-  const match = input.match(regexp)
-  if (!match) {
-    LoggerInstance.warn(`[${conversorName}] Input transformation failed.`)
-    return { valid: false, output: input }
-  }
-  return { valid: true, output: match[1] }
-}

src/utils/index.ts

@@ -1,6 +1,5 @@
 export * from './Constants'
 export * from './ContractUtils'
-export * from './ConversionTypeHelper'
 export * from './DatatokenName'
 export * from './DdoHelpers'
 export * from './FetchHelper'