Merge pull request #3168 from ethereum/fix_debug_proxy

fix debugging proxy contract

apps/remix-ide/src/blockchain/blockchain.js

@@ -11,7 +11,7 @@ import InjectedProvider from './providers/injected.js'
 import NodeProvider from './providers/node.js'
 import { execution, EventManager, helpers } from '@remix-project/remix-lib'
 import { etherScanLink } from './helper'
-import { logBuilder, cancelUpgradeMsg, cancelProxyMsg } from "@remix-ui/helper"
+import { logBuilder, cancelUpgradeMsg, cancelProxyMsg, addressToString } from "@remix-ui/helper"
 const { txFormat, txExecution, typeConversion, txListener: Txlistener, TxRunner, TxRunnerWeb3, txHelper } = execution
 const { txResultHelper: resultToRemixTx } = helpers
 const packageJson = require('../../../../package.json')
@@ -180,7 +180,7 @@ export class Blockchain extends Plugin {
       if (networkInfo.name === 'VM') this.config.set('vm/proxy', address)
       else this.config.set(`${networkInfo.name}/${networkInfo.currentFork}/${networkInfo.id}/proxy`, address)
       _paq.push(['trackEvent', 'blockchain', 'Deploy With Proxy', 'Proxy deployment successful'])
-      return this.call('udapp', 'resolveContractAndAddInstance', implementationContractObject, address)
+      this.call('udapp', 'addInstance', addressToString(address), implementationContractObject.abi, implementationContractObject.name)
     }
 
     this.runTx(args, confirmationCb, continueCb, promptCb, finalCb)
@@ -223,7 +223,7 @@ export class Blockchain extends Plugin {
         return this.call('terminal', 'logHtml', log)
       }
       _paq.push(['trackEvent', 'blockchain', 'Upgrade With Proxy', 'Upgrade Successful'])
-      return this.call('udapp', 'resolveContractAndAddInstance', newImplementationContractObject, proxyAddress)
+      this.call('udapp', 'addInstance', addressToString(proxyAddress), newImplementationContractObject.abi, newImplementationContractObject.name)
     }
     this.runTx(args, confirmationCb, continueCb, promptCb, finalCb)
   }

libs/remix-core-plugin/src/lib/compiler-artefacts.ts

@@ -198,8 +198,7 @@ export class CompilerArtefacts extends Plugin {
     return this.compilersArtefactsPerFile[file]
   }
 
-  // compilerData is a CompilerAbstract object
+  addResolvedContract (address: string, compilerData: CompilerAbstract) {
-  addResolvedContract (address, compilerData) {
     this.compilersArtefacts[address] = compilerData
   }
 

libs/remix-core-plugin/src/lib/compiler-fetch-and-compile.ts

@@ -4,6 +4,7 @@ import { util } from '@remix-project/remix-lib'
 import { toChecksumAddress } from 'ethereumjs-util'
 import { fetchContractFromEtherscan } from './helpers/fetch-etherscan'
 import { fetchContractFromSourcify } from './helpers/fetch-sourcify'
+import { UUPSDeployedByteCode, UUPSCompilerVersion } from './constants/uups'
 
 const profile = {
   name: 'fetchAndCompile',
@@ -48,6 +49,33 @@ export class FetchAndCompile extends Plugin {
     if (resolved) return resolved
     if (this.unresolvedAddresses.includes(contractAddress)) return localCompilation()
 
+    if (codeAtAddress === '0x' + UUPSDeployedByteCode) { // proxy
+      const settings = {
+        version: UUPSCompilerVersion,
+        language: 'Solidity',
+        evmVersion: null,
+        optimize: false,
+        runs: 0
+      }
+      const compilationTargets = {
+        'proxy.sol': { content: 'import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v4.8.0/contracts/proxy/ERC1967/ERC1967Proxy.sol";' }
+      }
+      const compData = await compile(
+        compilationTargets,
+        settings,
+        async (url, cb) => {
+          // we first try to resolve the content from the compilation target using a more appropiate path
+          const path = `${targetPath}/${url}`
+          if (compilationTargets[path] && compilationTargets[path].content) {
+            return cb(null, compilationTargets[path].content)
+          } else {
+            await this.call('contentImport', 'resolveAndSave', url).then((result) => cb(null, result)).catch((error) => cb(error.message))
+          }
+        })
+      await this.call('compilerArtefacts', 'addResolvedContract', contractAddress, compData)
+      return compData
+    }
+
     // sometimes when doing an internal call, the only available artifact is the Solidity interface.
     // resolving addresses of internal call would allow to step over the source code, even if the declaration was made using an Interface.
 

libs/remix-lib/src/util.ts

@@ -239,6 +239,8 @@ export function compareByteCode (code1, code2) {
     code2 = replaceLibReference(code2, pos)
     code1 = replaceLibReference(code1, pos)
   }
+
+  code1 = removeImmutableReference(code1, code2)
   code1 = extractinputParameters(code1)  
   code1 = extractSwarmHash(code1)
   code1 = extractcborMetadata(code1)
@@ -276,6 +278,27 @@ function replaceLibReference (code, pos) {
   return code.substring(0, pos) + '0000000000000000000000000000000000000000' + code.substring(pos + 40)
 }
 
+function removeByIndex (code, index, length, emptyRef) {
+  if (!code) return code
+  return code.slice(0, index) + emptyRef + code.slice(index + length)
+}
+
+function removeImmutableReference (code1, code2) {
+  try {
+    const refOccurence = code2.match(/7f000000000000000000000000000000000000000000000000000000000000000073/g)
+    if (!refOccurence) return code1
+    let offset = 0
+    refOccurence.map((value) => {
+      offset = code2.indexOf(value, offset)
+      code1 = removeByIndex(code1, offset, value.length, '7f000000000000000000000000000000000000000000000000000000000000000073')
+      offset = offset + 1
+    })
+  } catch (e) {
+    console.log('error removeImmutableReference', e)
+  }
+  return code1
+}
+
 function findCallInternal (index, rootCall, callsPath) {
   const calls = Object.keys(rootCall.calls)
   const ret = rootCall