improved Logger allowing different log level

src/examples/InitializeAgreement.ts

@@ -53,13 +53,13 @@ async function exec() {
 
     await consumer.requestTokens(100)
 
-    const serviceAgreementSignatureResult: any = await ocean
+    const serviceAgreementSignatureResult = await ocean
         .signServiceAgreement(
             ddo.id,
             accessService.serviceDefinitionId,
             consumer)
-    Logger.log("ServiceAgreement Id:", serviceAgreementSignatureResult.serviceAgreementId)
-    Logger.log("ServiceAgreement Signature:", serviceAgreementSignatureResult.serviceAgreementSignature)
+    Logger.log("ServiceAgreement Id:", serviceAgreementSignatureResult.agreementId)
+    Logger.log("ServiceAgreement Signature:", serviceAgreementSignatureResult.signature)
 
     const service = ddo.findServiceByType("Access")
 
@@ -68,8 +68,8 @@ async function exec() {
             .initializeServiceAgreement(
                 ddo.id,
                 service.serviceDefinitionId,
-                serviceAgreementSignatureResult.serviceAgreementId,
-                serviceAgreementSignatureResult.serviceAgreementSignature,
+                serviceAgreementSignatureResult.agreementId,
+                serviceAgreementSignatureResult.signature,
                 (files) => Logger.log(`Got files, first files length in bytes: ${files[0].length}`),
                 consumer,
             )

src/keeper/ContractHandler.ts

@@ -1,5 +1,4 @@
 import Contract from "web3-eth-contract"
-import ConfigProvider from "../ConfigProvider"
 import Logger from "../utils/Logger"
 import Keeper from "./Keeper"
 import Web3Provider from "./Web3Provider"
@@ -28,9 +27,7 @@ export default class ContractHandler {
 
     private static async load(what: string, where: string): Promise<Contract> {
         const web3 = Web3Provider.getWeb3()
-        if (ConfigProvider.getConfig().verbose) {
-            Logger.log("Loading", what, "from", where)
-        }
+        Logger.debug("Loading", what, "from", where)
         const artifact = require(`@oceanprotocol/keeper-contracts/artifacts/${what}.${where}.json`)
         // Logger.log('Loaded artifact', artifact)
         const code = await web3.eth.getCode(artifact.address)
@@ -39,9 +36,8 @@ export default class ContractHandler {
             throw new Error(`No code deployed at address ${artifact.address}, sorry.`)
         }
         const contract = new web3.eth.Contract(artifact.abi, artifact.address)
-        if (ConfigProvider.getConfig().verbose) {
-            Logger.log("Getting instance of", what, "from", where, "at address", artifact.address)
-        }
+
+        Logger.debug("Getting instance of", what, "from", where, "at address", artifact.address)
         ContractHandler.contracts.set(what, contract)
         return ContractHandler.contracts.get(what)
     }

src/models/Config.ts

@@ -1,3 +1,5 @@
+import { LogLevel } from "../utils/Logger"
+
 export default class Config {
     /* Aquarius Config */
     // the url to the aquarius
@@ -26,5 +28,5 @@ export default class Config {
     public threshold: number
 
     /* Squid config */
-    public verbose: boolean = false
+    public verbose: boolean | LogLevel
 }

src/ocean/Ocean.ts

@@ -16,7 +16,7 @@ import { Service } from "../ddo/Service"
 import ContractEvent from "../keeper/Event"
 import Config from "../models/Config"
 import SecretStoreProvider from "../secretstore/SecretStoreProvider"
-import Logger from "../utils/Logger"
+import Logger, { LogLevel } from "../utils/Logger"
 import Account from "./Account"
 import DID from "./DID"
 import ServiceAgreement from "./ServiceAgreements/ServiceAgreement"
@@ -34,6 +34,12 @@ export default class Ocean {
      * @return {Promise<Ocean>}
      */
     public static async getInstance(config: Config): Promise<Ocean> {
+        Logger.setLevel(
+            typeof config.verbose !== "number"
+                ? (config.verbose ? LogLevel.Log : LogLevel.None)
+                : <LogLevel>config.verbose
+        )
+
         if (!Ocean.instance) {
             ConfigProvider.setConfig(config)
             Ocean.instance = new Ocean()

src/ocean/ServiceAgreements/ServiceAgreement.ts

@@ -19,21 +19,16 @@ export default class ServiceAgreement extends OceanBase {
         consumer: Account,
     ): Promise<string> {
 
-        if (ConfigProvider.getConfig().verbose) {
         Logger.log("Signing SA with serviceAgreementId", serviceAgreementId)
-        }
 
         const service = ddo.findServiceById<"Access">(serviceDefinitionId)
         const values: ValuePair[][] = ServiceAgreement.getValuesFromService(service, serviceAgreementId)
         const valueHashes: string[] = ServiceAgreement.createValueHashes(values)
         const timeoutValues: number[] = ServiceAgreement.getTimeoutValuesFromService(service)
 
-        const serviceAgreementHashSignature = await ServiceAgreement.createSAHashSignature(service, serviceAgreementId,
-            valueHashes, timeoutValues, consumer)
+        const serviceAgreementHashSignature = await ServiceAgreement.createSAHashSignature(service, serviceAgreementId, valueHashes, timeoutValues, consumer)
 
-        if (ConfigProvider.getConfig().verbose) {
         Logger.log("SA hash signature:", serviceAgreementHashSignature)
-        }
 
         return serviceAgreementHashSignature
     }
@@ -48,9 +43,7 @@ export default class ServiceAgreement extends OceanBase {
         publisher: Account,
     ): Promise<ServiceAgreement> {
 
-        if (ConfigProvider.getConfig().verbose) {
         Logger.log("Executing SA with serviceAgreementId", serviceAgreementId)
-        }
 
         const service = ddo.findServiceById<"Access">(serviceDefinitionId)
         const values: ValuePair[][] = ServiceAgreement.getValuesFromService(service, serviceAgreementId)

src/ocean/ServiceAgreements/ServiceAgreementTemplate.ts

@@ -172,9 +172,7 @@ export default class ServiceAgreementTemplate extends OceanBase {
             } as Condition
         })
 
-        if (ConfigProvider.getConfig().verbose) {
-            Logger.log("Conditions", JSON.stringify(conditions, null, 2))
-        }
+        Logger.debug("Conditions", JSON.stringify(conditions, null, 2))
 
         return conditions
     }

src/utils/Logger.ts

@@ -1,21 +1,37 @@
+export enum LogLevel {
+    None = -1,
+    Error = 0,
+    Warn = 1,
+    Log = 2,
+    Verbose = 3,
+}
+
 export default class Logger {
-    public static log(...args: any[]) {
-        Logger.dispatch("log", ...args)
+    private static logLevel: LogLevel = LogLevel.Verbose
+
+    public static setLevel(level: LogLevel) {
+        this.logLevel = level
     }
 
     public static debug(...args: any[]) {
-        Logger.dispatch("debug", ...args)
+        Logger.dispatch("debug", LogLevel.Verbose, ...args)
+    }
+
+    public static log(...args: any[]) {
+        Logger.dispatch("log", LogLevel.Log, ...args)
     }
 
     public static warn(...args: any[]) {
-        Logger.dispatch("warn", ...args)
+        Logger.dispatch("warn", LogLevel.Warn, ...args)
     }
 
     public static error(...args: any[]) {
-        Logger.dispatch("error", ...args)
+        Logger.dispatch("error", LogLevel.Error, ...args)
     }
 
-    private static dispatch(verb: string, ...args: any[]) {
+    private static dispatch(verb: string, level: LogLevel, ...args: any[]) {
+        if (this.logLevel >= level) {
             console[verb](...args)
         }
+    }
 }