From c2b4b7b1465402b7c8010a51b23f3be25ce81da5 Mon Sep 17 00:00:00 2001 From: Jan-Felix Date: Wed, 2 Oct 2024 16:15:55 +0200 Subject: [PATCH 1/2] LGPL -> GPL --- extension/LICENSE | 829 +++++++++++++++++++++++++++++++++++++--------- 1 file changed, 669 insertions(+), 160 deletions(-) diff --git a/extension/LICENSE b/extension/LICENSE index 4fdfe74d..e72bfdda 100644 --- a/extension/LICENSE +++ b/extension/LICENSE @@ -1,165 +1,674 @@ - GNU LESSER GENERAL PUBLIC LICENSE + GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 - Copyright (C) 2007 Free Software Foundation, Inc. + Copyright (C) 2007 Free Software Foundation, Inc. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. - - This version of the GNU Lesser General Public License incorporates -the terms and conditions of version 3 of the GNU General Public -License, supplemented by the additional permissions listed below. - - 0. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. \ No newline at end of file From efdea479b5163d33386cfacf4b176184e6cc385b Mon Sep 17 00:00:00 2001 From: Jan-Felix Date: Wed, 2 Oct 2024 16:59:32 +0200 Subject: [PATCH 2/2] allow simulating calls with EOAs --- extension/src/providers/ForkProvider.ts | 90 ++++++++++++++++++------- 1 file changed, 65 insertions(+), 25 deletions(-) diff --git a/extension/src/providers/ForkProvider.ts b/extension/src/providers/ForkProvider.ts index 7cd6393d..8bb991d8 100644 --- a/extension/src/providers/ForkProvider.ts +++ b/extension/src/providers/ForkProvider.ts @@ -44,6 +44,7 @@ class ForkProvider extends EventEmitter { private handlers: Handlers private blockGasLimitPromise: Promise + private isSafePromise: Promise private pendingMetaTransaction: Promise | undefined private isInitialized = false @@ -72,6 +73,9 @@ class ForkProvider extends EventEmitter { this.handlers = handlers this.blockGasLimitPromise = readBlockGasLimit(this.provider) + + // for now we generally assume smart accounts are Safes + this.isSafePromise = isSmartAccount(this.avatarAddress, this.provider) } async request(request: { @@ -194,16 +198,16 @@ class ForkProvider extends EventEmitter { const send = this.pendingMetaTransaction ? async () => { await this.pendingMetaTransaction - return await this.sendMetaTransactionIsSeries(metaTx, id) + return await this.sendMetaTransactionInSeries(metaTx, id) } - : async () => await this.sendMetaTransactionIsSeries(metaTx, id) + : async () => await this.sendMetaTransactionInSeries(metaTx, id) // Synchronously update `this.pendingMetaTransaction` so subsequent `sendMetaTransaction()` calls will go to the back of the queue this.pendingMetaTransaction = send() return await this.pendingMetaTransaction } - private async sendMetaTransactionIsSeries( + private async sendMetaTransactionInSeries( metaTx: MetaTransactionData, id: string ): Promise { @@ -212,8 +216,22 @@ class ForkProvider extends EventEmitter { await this.initFork() } + const ownerAddress = + this.ownerAddress === ZeroAddress ? undefined : this.ownerAddress + const isSafe = await this.isSafePromise + + console.log(this.moduleAddress, ownerAddress) + if (!isSafe && (this.moduleAddress || ownerAddress)) { + throw new Error( + 'moduleAddress or ownerAddress is only supported for Safes as avatar' + ) + } + const isDelegateCall = metaTx.operation === 1 - if (isDelegateCall && !this.moduleAddress && !this.ownerAddress) { + if (isDelegateCall && !isSafe) { + throw new Error('delegatecall is only supported for Safes as avatar') + } + if (isDelegateCall && !this.moduleAddress && !ownerAddress) { throw new Error('delegatecall requires moduleAddress or ownerAddress') } @@ -226,16 +244,27 @@ class ForkProvider extends EventEmitter { params: [Math.ceil(Date.now() / 1000).toString()], }) - let from = this.moduleAddress || this.ownerAddress || DUMMY_MODULE_ADDRESS - if (from === ZeroAddress) from = DUMMY_MODULE_ADDRESS - - // correctly route the meta tx through the avatar - const tx = execTransactionFromModule( - metaTx, - this.avatarAddress, - from, - await this.blockGasLimitPromise - ) + let tx: TransactionData + if (isSafe) { + let from = this.moduleAddress || ownerAddress || DUMMY_MODULE_ADDRESS + if (from === ZeroAddress) from = DUMMY_MODULE_ADDRESS + + // correctly route the meta tx through the avatar + tx = execTransactionFromModule( + metaTx, + this.avatarAddress, + from, + await this.blockGasLimitPromise + ) + } else { + // for EOA, we can just send the transaction directly + tx = { + to: metaTx.to, + value: toQuantity(metaTx.value || 0), + data: metaTx.data || '0x', + from: this.avatarAddress, + } + } // execute transaction in fork const hash = await this.provider.request({ @@ -248,16 +277,18 @@ class ForkProvider extends EventEmitter { async initFork(): Promise { console.log('Initializing fork for simulation...') - - await prepareSafeForSimulation( - { - chainId: this.chainId, - avatarAddress: this.avatarAddress, - moduleAddress: this.moduleAddress, - ownerAddress: this.ownerAddress, - }, - this.provider - ) + const isSafe = await this.isSafePromise + if (isSafe) { + await prepareSafeForSimulation( + { + chainId: this.chainId, + avatarAddress: this.avatarAddress, + moduleAddress: this.moduleAddress, + ownerAddress: this.ownerAddress, + }, + this.provider + ) + } // notify the background script to start intercepting JSON RPC requests // we use the public RPC for requests originating from apps @@ -320,12 +351,21 @@ const execTransactionFromModule = ( const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000' const DUMMY_MODULE_ADDRESS = '0xfacade0000000000000000000000000000000000' -const readBlockGasLimit = async (provider: Eip1193Provider) => { +async function readBlockGasLimit(provider: Eip1193Provider) { const browserProvider = new BrowserProvider(provider) const block = await browserProvider.getBlock('latest') return block?.gasLimit || 30_000_000n } +async function isSmartAccount(address: string, provider: Eip1193Provider) { + return ( + (await provider.request({ + method: 'eth_getCode', + params: [address, 'latest'], + })) !== '0x' + ) +} + /** * Makes sure that the given Safe is ready for simulating transactions, which requires at least one module to be enabled. */