Merge branch 'master' into walkT

apps/solidity-compiler/src/app/compiler-api.ts

@@ -222,10 +222,10 @@ export const CompilerApiMixin = (Base) => class extends Base {
     }
     this.compiler.event.register('loadingCompiler', this.data.eventHandlers.onLoadingCompiler)
 
-    this.data.eventHandlers.onCompilerLoaded = (version) => {
+    this.data.eventHandlers.onCompilerLoaded = (version, license) => {
       this.data.loading = false
       this.statusChanged({ key: 'none' })
-      this.emit('compilerLoaded', version)
+      this.emit('compilerLoaded', version, license)
     }
     this.compiler.event.register('compilerLoaded', this.data.eventHandlers.onCompilerLoaded)
 

libs/remix-solidity/src/compiler/compiler-worker.ts

@@ -33,7 +33,8 @@ export default function (self) { // eslint-disable-line @typescript-eslint/expli
         }
         self.postMessage({
           cmd: 'versionLoaded',
-          data: compiler.version()
+          data: compiler.version(),
+          license: compiler.license()
         })
         break
       }

libs/remix-solidity/src/compiler/compiler.ts

@@ -25,6 +25,7 @@ export class Compiler {
       compileJSON: null,
       worker: null,
       currentVersion: null,
+      compilerLicense: null,
       optimize: false,
       runs: 200,
       evmVersion: null,
@@ -94,9 +95,10 @@ export class Compiler {
    * @param version compiler version
    */
 
-  onCompilerLoaded (version: string): void {
+  onCompilerLoaded (version: string, license: string): void {
     this.state.currentVersion = version
-    this.event.trigger('compilerLoaded', [version])
+    this.state.compilerLicense = license
+    this.event.trigger('compilerLoaded', [version, license])
   }
 
   /**
@@ -131,7 +133,7 @@ export class Compiler {
         }
         this.onCompilationFinished(result, missingInputs, source, input, this.state.currentVersion)
       }
-      this.onCompilerLoaded(compiler.version())
+      this.onCompilerLoaded(compiler.version(), compiler.license())
     }
   }
 
@@ -184,6 +186,7 @@ export class Compiler {
       if (err) {
         console.error('Error in loading remote solc compiler: ', err)
       } else {
+        let license
         this.state.compileJSON = (source: SourceWithTarget) => {
           const missingInputs: string[] = []
           const missingInputsCallback = (path: string) => {
@@ -203,13 +206,14 @@ export class Compiler {
               }
 
               result = JSON.parse(remoteCompiler.compile(input, { import: missingInputsCallback }))
+              license = remoteCompiler.license()
             }
           } catch (exception) {
             result = { error: { formattedMessage: 'Uncaught JavaScript exception:\n' + exception, severity: 'error', mode: 'panic' } }
           }
           this.onCompilationFinished(result, missingInputs, source, input, version)
         }
-        this.onCompilerLoaded(version)
+        this.onCompilerLoaded(version, license)
       }
     })
   }
@@ -273,7 +277,7 @@ export class Compiler {
       const data: MessageFromWorker = msg.data
       switch (data.cmd) {
         case 'versionLoaded':
-          if (data.data) this.onCompilerLoaded(data.data)
+          if (data.data && data.license) this.onCompilerLoaded(data.data, data.license)
           break
         case 'compiled':
         {

libs/remix-solidity/src/compiler/types.ts

@@ -158,6 +158,7 @@ export interface CompilerState {
     compileJSON: ((input: SourceWithTarget) => void) | null,
     worker: any,
     currentVersion: string| null| undefined,
+    compilerLicense: string| null
     optimize: boolean,
     runs: number
     evmVersion: EVMVersion| null,
@@ -186,6 +187,7 @@ export interface MessageToWorker {
 
 export interface MessageFromWorker {
   cmd: string,
+  license?: string,
   job?: number,
   missingInputs?: string[],
   input?: any,

libs/remix-tests/src/compiler.ts

@@ -134,7 +134,7 @@ export function compileFileOrFiles (filename: string, isDirectory: boolean, opts
           if (runs) compiler.set('runs', runs)
           if (currentCompilerUrl) {
             compiler.loadRemoteVersion(currentCompilerUrl)
-            compiler.event.register('compilerLoaded', this, function (version) {
+            compiler.event.register('compilerLoaded', this, function (version, license) {
               next()
             })
           } else {
@@ -198,7 +198,7 @@ export function compileContractSources (sources: SrcIfc, newCompConfig: any, imp
         compiler.set('runs', runs)
         compiler.loadVersion(usingWorker, currentCompilerUrl)
         // @ts-ignore
-        compiler.event.register('compilerLoaded', this, (version) => {
+        compiler.event.register('compilerLoaded', this, (version, license) => {
           next()
         })
       } else {

libs/remix-ui/modal-dialog/src/lib/remix-ui-modal-dialog.css

@@ -8,6 +8,7 @@
 .remixModalBody {
   overflow-y: auto;
   max-height: 600px;
+  white-space: pre-line;
 }
 @-webkit-keyframes animatetop {
   from {top: -300px; opacity: 0}

libs/remix-ui/solidity-compiler/src/lib/actions/compiler.ts

@@ -46,8 +46,8 @@ export const listenToEvents = (compileTabLogic: CompileTabLogic, api) => (dispat
     dispatch(setCompilerMode('loadingCompiler'))
   })
 
-  compileTabLogic.compiler.event.register('compilerLoaded', () => {
-    dispatch(setCompilerMode('compilerLoaded'))
+  compileTabLogic.compiler.event.register('compilerLoaded', (version, license) => {
+    dispatch(setCompilerMode('compilerLoaded', version, license))
   })
 
   compileTabLogic.compiler.event.register('compilationFinished', (success, data, source, input, version) => {

libs/remix-ui/solidity-compiler/src/lib/compiler-container.tsx

@@ -48,6 +48,7 @@ export const CompilerContainer = (props: CompilerContainerProps) => {
     timeout: 300,
     allversions: [],
     customVersions: [],
+    compilerLicense: null,
     selectedVersion: null,
     defaultVersion: 'soljson-v0.8.7+commit.e28d00a7.js', // this default version is defined: in makeMockCompiler (for browser test)
     runs: '',
@@ -185,7 +186,7 @@ export const CompilerContainer = (props: CompilerContainerProps) => {
           loadingCompiler()
           break
         case 'compilerLoaded':
-          compilerLoaded()
+          compilerLoaded(compilerContainer.compiler.args[1])
           break
         case 'compilationFinished':
           compilationFinished()
@@ -432,14 +433,20 @@ export const CompilerContainer = (props: CompilerContainerProps) => {
     if (!compileIcon.current) return
     compileIcon.current.setAttribute('title', 'compiler is loading, please wait a few moments.')
     compileIcon.current.classList.add('remixui_spinningIcon')
+    setState(prevState => {
+      return { ...prevState, compilerLicense: 'Compiler is loading. License will be displayed once compiler is loaded'}
+    })
     _updateLanguageSelector()
     setDisableCompileButton(true)
   }
 
-  const compilerLoaded = () => {
+  const compilerLoaded = (license) => {
     if (!compileIcon.current) return
     compileIcon.current.setAttribute('title', '')
     compileIcon.current.classList.remove('remixui_spinningIcon')
+    setState(prevState => {
+      return { ...prevState, compilerLicense: license ? license : 'Could not retreive license for selected compiler version' }
+    })
     if (state.autoCompile) compile()
     const isDisabled = !compiledFileName || (compiledFileName && !isSolFileSelected(compiledFileName))
 
@@ -554,6 +561,10 @@ export const CompilerContainer = (props: CompilerContainerProps) => {
     modal('Add a custom compiler', promptMessage('URL'), 'OK', addCustomCompiler, 'Cancel', () => {})
   }
 
+  const showCompilerLicense = () => {
+    modal('Compiler License', state.compilerLicense ? state.compilerLicense : 'License not available', 'OK', () => {})
+  }
+
   const promptMessage = (message) => {
     return (
       <>
@@ -701,10 +712,9 @@ export const CompilerContainer = (props: CompilerContainerProps) => {
       <article>
         <div className='pt-0 remixui_compilerSection'>
           <div className="mb-1">
-            <label className="remixui_compilerLabel form-check-label" htmlFor="versionSelector">
-              Compiler
-              <button className="far fa-plus btn-light border-0 p-0 mx-2 btn-sm" onClick={promptCompiler} title="Add a custom compiler with URL"></button>
-            </label>
+            <label className="remixui_compilerLabel form-check-label" htmlFor="versionSelector">Compiler</label>
+            <span className="far fa-plus border-0 p-0 ml-3" onClick={() => promptCompiler()} title="Add a custom compiler with URL"></span>
+            <span className="fa fa-file-text-o border-0 p-0 ml-2" onClick={() => showCompilerLicense()} title="See compiler license"></span>
             <select value={ state.selectedVersion || state.defaultVersion } onChange={(e) => handleLoadVersion(e.target.value) } className="custom-select" id="versionSelector" disabled={state.allversions.length <= 0}>
               { state.allversions.length <= 0 && <option disabled data-id={state.selectedVersion === state.defaultVersion ? 'selected' : ''}>{ state.defaultVersion }</option> }
               { state.allversions.length <= 0 && <option disabled data-id={state.selectedVersion === 'builtin' ? 'selected' : ''}>builtin</option> }

libs/remix-ui/solidity-unit-testing/src/lib/solidity-unit-testing.tsx

@@ -164,7 +164,7 @@ export const SolidityUnitTesting = (props: Record<string, any>) => { // eslint-d
     testTab.fileManager.events.on('currentFileChanged', async (file: string) => {
       await updateForNewCurrent(file)
     })
-    testTab.on('solidity', 'compilerLoaded', async (version: string) => {
+    testTab.on('solidity', 'compilerLoaded', async (version: string, license: string) => {
       const { currentVersion } = testTab.compileTab.getCurrentCompilerConfig()
 
       if (!semver.gt(truncateVersion(currentVersion), '0.4.12')) {

libs/remix-ui/static-analyser/src/lib/remix-ui-static-analyser.tsx

@@ -140,8 +140,8 @@ export const RemixUiStaticAnalyser = (props: RemixUiStaticAnalyserProps) => {
         setSlitherEnabled(false)
       }
     })
-    
-    props.analysisModule.on('solidity', 'compilerLoaded', async (version: string) => {
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    props.analysisModule.on('solidity', 'compilerLoaded', async (version: string, license: string) => {
       setDisableForRun(version)
     })
     return () => { }