feat(xc_admin_frontend): parse entropy and executor abis (#1481)

* parse entropy and executor abis

* correct import

* move parse to xc admin frontend

* undo change

* fix deps

* add comment

* comment

* revert changes and then some minor change

* fix unknown by typecast

Author: Dev Kalra

governance/xc_admin/packages/xc_admin_frontend/components/InstructionViews/WormholeInstructionView.tsx

@@ -22,6 +22,7 @@ import { usePythContext } from '../../contexts/PythContext'
 import { getMappingCluster, isPubkey } from './utils'
 import { PythCluster } from '@pythnetwork/client'
 import { lamportsToSol } from '../../utils/lamportsToSol'
+import { parseEvmExecuteCallData } from '../../utils/parseEvmExecuteCallData'
 
 const GovernanceInstructionView = ({
   instruction,
@@ -408,16 +409,41 @@ export const WormholeInstructionView = ({
                 <CopyText text={'0x' + governanceAction.callAddress} />
               </div>
               <div>Value: {governanceAction.value.toString()}</div>
-              <div>
-                Call Data:{' '}
-                <CopyText
-                  text={'0x' + governanceAction.calldata.toString('hex')}
-                />
-              </div>
+              <EvmExecuteCallData calldata={governanceAction.calldata} />
             </div>
           }
         />
       )}
     </div>
   )
 }
+
+function EvmExecuteCallData({ calldata }: { calldata: Buffer }) {
+  const callDataHex = calldata.toString('hex')
+  const parsedData = parseEvmExecuteCallData(callDataHex)
+  if (parsedData === undefined)
+    return (
+      <div>
+        Call Data:
+        <CopyText text={callDataHex} />
+      </div>
+    )
+
+  return (
+    <>
+      <div>Call Method: {parsedData.method}</div>
+      <div>Call Params: </div>
+      <div className="mx-4">
+        {parsedData.inputs.length > 0 ? (
+          parsedData.inputs.map(([key, value]) => (
+            <div key={key}>
+              {key}: {value}
+            </div>
+          ))
+        ) : (
+          <div>No params</div>
+        )}
+      </div>
+    </>
+  )
+}

governance/xc_admin/packages/xc_admin_frontend/package.json

@@ -35,8 +35,8 @@
     "react-hot-toast": "^2.4.0",
     "typescript": "4.9.4",
     "use-debounce": "^9.0.2",
-    "xc_admin_common": "*",
-    "message_buffer": "*"
+    "web3": "^4.8.0",
+    "xc_admin_common": "*"
   },
   "devDependencies": {
     "@svgr/webpack": "^6.3.1",

governance/xc_admin/packages/xc_admin_frontend/utils/parseEvmExecuteCallData.ts

@@ -0,0 +1,85 @@
+import Web3 from 'web3'
+
+// Note: Currently, the ABI only contains the functions which take in primitives as inputs.
+// Though it is possible for EVM functions to accept structs as one of the inputs.
+// We don't support that right now. There is no requirement for that now or in the
+// foreseeable future. Adding it now will add unnecessary complexity.
+// It will be added when needed.
+const ABI = [
+  {
+    inputs: [],
+    name: 'acceptOwnership',
+    outputs: [],
+    stateMutability: 'nonpayable',
+    type: 'function',
+  },
+  {
+    inputs: [],
+    name: 'acceptAdmin',
+    outputs: [],
+    stateMutability: 'nonpayable',
+    type: 'function',
+  },
+  {
+    inputs: [
+      {
+        internalType: 'address',
+        name: 'newImplementation',
+        type: 'address',
+      },
+    ],
+    name: 'upgradeTo',
+    outputs: [],
+    stateMutability: 'nonpayable',
+    type: 'function',
+  },
+]
+
+type Input = {
+  internalType: string
+  name: string
+  type: string
+}
+
+/**
+ * Parses the call data for an EVM contract call only if the call data matches one of the entry in ABI.
+ * If there is a match, the method name and inputs are returned. Else, undefined is returned.
+ * @param callData The call data in hex format.
+ * @returns The parsed call data or undefined.
+ */
+export function parseEvmExecuteCallData(callData: string):
+  | {
+      method: string
+      inputs: [string, string][]
+    }
+  | undefined {
+  for (const abi of ABI) {
+    const web3 = new Web3()
+    const methodSignature = web3.eth.abi
+      .encodeFunctionSignature(abi)
+      .replace('0x', '')
+
+    if (!callData.includes(methodSignature)) {
+      continue
+    }
+
+    const inputs: Input[] = abi.inputs
+
+    const decodedParams = web3.eth.abi.decodeParameters(
+      inputs.map((input) => ({
+        type: input.type,
+        name: input.name,
+      })),
+      callData.replace(methodSignature, '')
+    )
+    return {
+      method: abi.name,
+      inputs: inputs.map((input) => [
+        input.name,
+        decodedParams[input.name] as string,
+      ]),
+    }
+  }
+
+  return undefined
+}