wip, going pretty well

typescript/infra/scripts/safes/parse-multicall.ts

@@ -1,8 +1,8 @@
 import { stringifyObject, strip0x } from '@hyperlane-xyz/utils';
 
-import { GnosisMultisendReader } from '../../src/tx/transaction-reader.js';
+import { TransactionReader } from '../../src/tx/transaction-reader.js';
 import { getArgs } from '../agent-utils.js';
-import { getEnvironmentConfig } from '../core-utils.js';
+import { getEnvironmentConfig, getHyperlaneCore } from '../core-utils.js';
 
 import tx from './example-data.json';
 
@@ -10,9 +10,17 @@ async function main() {
   const { environment } = await getArgs().argv;
   const config = getEnvironmentConfig(environment);
   const multiProvider = await config.getMultiProvider();
+  const { chainAddresses } = await getHyperlaneCore(environment, multiProvider);
 
-  const multisendReader = new GnosisMultisendReader(multiProvider);
-  // const results = await multisendReader.read(tx);
+  const reader = new TransactionReader(
+    environment,
+    multiProvider,
+    'ethereum',
+    chainAddresses,
+  );
+  const results = await reader.read('ethereum', tx);
+
+  console.log('results', results);
 
   console.log(stringifyObject(results, 'yaml', 2));
 }

typescript/infra/src/tx/transaction-reader.ts

@@ -1,4 +1,10 @@
+import { Result } from '@ethersproject/abi';
 import { decodeMultiSendData } from '@safe-global/protocol-kit/dist/src/utils/index.js';
+import {
+  MetaTransactionData,
+  OperationType,
+} from '@safe-global/safe-core-sdk-types';
+import { BigNumber, ethers } from 'ethers';
 
 import {
   AnnotatedEV5Transaction,
@@ -6,63 +12,214 @@ import {
   ChainName,
   HyperlaneReader,
   MultiProvider,
+  interchainAccountFactories,
 } from '@hyperlane-xyz/sdk';
-import { eqAddress } from '@hyperlane-xyz/utils';
+import {
+  addressToBytes32,
+  bytes32ToAddress,
+  eqAddress,
+} from '@hyperlane-xyz/utils';
 
-import { getHyperlaneCore } from '../../scripts/core-utils.js';
 import { DeployEnvironment } from '../config/environment.js';
+import { getSafeAndService } from '../utils/safe.js';
 
-export abstract class TransactionReader {
-  async read(chain: ChainName, tx: any): Promise<any> {
-    throw new Error('Not implemented');
-  }
-}
+// export abstract class TransactionReader {
+//   async read(chain: ChainName, tx: any): Promise<any> {
+//     throw new Error('Not implemented');
+//   }
+// }
 
-export class GnosisMultisendReader extends TransactionReader {
-  constructor(multiProvider: MultiProvider) {
-    super();
-  }
+// export class GnosisMultisendReader extends TransactionReader {
+//   constructor(multiProvider: MultiProvider) {
+//     super();
+//   }
 
-  async read(chain: ChainName, tx: AnnotatedEV5Transaction): Promise<any> {
-    if (!tx.data) {
-      return undefined;
-    }
-    const multisends = decodeMultiSendData(tx.data);
+//   async read(chain: ChainName, tx: AnnotatedEV5Transaction): Promise<any> {
+//     if (!tx.data) {
+//       return undefined;
+//     }
+//     const multisends = decodeMultiSendData(tx.data);
 
-    return multisends;
-  }
-}
+//     return multisends;
+//   }
+// }
 
-export class GenericTransactionReader extends HyperlaneReader {
+export class TransactionReader extends HyperlaneReader {
   constructor(
     readonly environment: DeployEnvironment,
     readonly multiProvider: MultiProvider,
+    readonly chain: ChainName,
     readonly chainAddresses: ChainMap<Record<string, string>>,
   ) {
-    super();
+    super(multiProvider, chain);
   }
 
   async read(chain: ChainName, tx: AnnotatedEV5Transaction): Promise<any> {
+    try {
+      return await this.doRead(chain, tx);
+    } catch (e) {
+      console.error('Error reading transaction', e, chain, tx);
+      throw e;
+    }
+  }
+
+  async doRead(chain: ChainName, tx: AnnotatedEV5Transaction): Promise<any> {
     // If it's an ICA
     if (this.isIcaTransaction(chain, tx)) {
       return this.readIcaTransaction(chain, tx);
     }
+
+    if (await this.isMultisendTransaction(chain, tx)) {
+      return this.readMultisendTransaction(chain, tx);
+    }
+
+    return {};
   }
 
   private async readIcaTransaction(
     chain: ChainName,
     tx: AnnotatedEV5Transaction,
   ): Promise<any> {
-    // TODO
+    if (!tx.data) {
+      console.log('No data in ICA transaction');
+      return undefined;
+    }
+    const { symbol } = await this.multiProvider.getNativeToken(chain);
+    const decoded =
+      interchainAccountFactories.interchainAccountRouter.interface.parseTransaction(
+        {
+          data: tx.data,
+          value: tx.value,
+        },
+      );
+
+    const args = formatFunctionFragmentArgs(
+      decoded.args,
+      decoded.functionFragment,
+    );
+    let prettyArgs = args;
+    if (decoded.functionFragment.name === 'enrollRemoteRouters') {
+      prettyArgs = await this.formatRouterEnrollments(
+        chain,
+        'interchainAccountRouter',
+        args,
+      );
+    }
+
+    return {
+      value: `${ethers.utils.formatEther(decoded.value)} ${symbol}`,
+      signature: decoded.signature,
+      args: prettyArgs,
+    };
   }
 
-  private isIcaTransaction(
+  private async formatRouterEnrollments(
+    chain: ChainName,
+    routerName: string,
+    args: Record<string, any>,
+  ): Promise<any> {
+    const { _domains: domains, _addresses: addresses } = args;
+    return domains.map((domain: number, index: number) => {
+      const remoteChainName = this.multiProvider.getChainName(domain);
+      const expectedRouter = this.chainAddresses[remoteChainName][routerName];
+      const routerToBeEnrolled = addresses[index];
+      const matchesExpectedRouter =
+        eqAddress(expectedRouter, bytes32ToAddress(routerToBeEnrolled)) &&
+        // Poor man's check that the 12 byte padding is all zeroes
+        addressToBytes32(bytes32ToAddress(routerToBeEnrolled)) ===
+          routerToBeEnrolled;
+      return {
+        domain: domain,
+        chainName: remoteChainName,
+        router: routerToBeEnrolled,
+        'good?': matchesExpectedRouter
+          ? '✅ matches expected router from artifacts'
+          : `❌ fatal mismatch, expected ${expectedRouter}`,
+      };
+    });
+  }
+
+  private async readMultisendTransaction(
     chain: ChainName,
     tx: AnnotatedEV5Transaction,
-  ): boolean {
+  ): Promise<any> {
+    if (!tx.data) {
+      console.log('No data in multisend transaction');
+      return undefined;
+    }
+    const multisends = decodeMultiSendData(tx.data);
+
+    const { symbol } = await this.multiProvider.getNativeToken(chain);
+
+    return Promise.all(
+      multisends.map(async (multisend, index) => {
+        const decoded = await this.read(
+          chain,
+          metaTransactionDataToEV5Transaction(multisend),
+        );
+        return {
+          index,
+          value: `${ethers.utils.formatEther(multisend.value)} ${symbol}`,
+          operation: formatOperationType(multisend.operation),
+          decoded,
+        };
+      }),
+    );
+  }
+
+  isIcaTransaction(chain: ChainName, tx: AnnotatedEV5Transaction): boolean {
     return (
       tx.to !== undefined &&
       eqAddress(tx.to, this.chainAddresses[chain].interchainAccountRouter)
     );
   }
+
+  async isMultisendTransaction(
+    chain: ChainName,
+    tx: AnnotatedEV5Transaction,
+  ): Promise<boolean> {
+    if (tx.to === undefined) {
+      return false;
+    }
+    const { safeSdk } = await getSafeAndService(
+      this.chain,
+      this.multiProvider,
+      '0x3965AC3D295641E452E0ea896a086A9cD7C6C5b6',
+    );
+
+    // why call only? if we do delegatecall
+    return eqAddress(safeSdk.getMultiSendCallOnlyAddress(), tx.to);
+  }
+}
+
+function metaTransactionDataToEV5Transaction(
+  metaTransactionData: MetaTransactionData,
+): AnnotatedEV5Transaction {
+  return {
+    to: metaTransactionData.to,
+    value: BigNumber.from(metaTransactionData.value),
+    data: metaTransactionData.data,
+  };
+}
+
+function formatFunctionFragmentArgs(
+  args: Result,
+  fragment: ethers.utils.FunctionFragment,
+): Record<string, string> {
+  const accumulator: Record<string, string> = {};
+  return fragment.inputs.reduce((acc, input, index) => {
+    acc[input.name] = args[index];
+    return acc;
+  }, accumulator);
+}
+
+function formatOperationType(operation: OperationType | undefined): string {
+  switch (operation) {
+    case OperationType.Call:
+      return 'Call';
+    case OperationType.DelegateCall:
+      return 'Delegate Call';
+    default:
+      return '⚠️ Unknown ⚠️';
+  }
 }