feat: remove simulation

.changeset/swift-terms-protect.md

@@ -0,0 +1,8 @@
+---
+"@wagmi/connectors": minor
+"wagmi": minor
+"@wagmi/core": minor
+"@wagmi/vue": minor
+---
+
+Removed simulation in `writeContract` & `sendTransaction`.

packages/connectors/src/coinbaseWallet.ts

@@ -90,7 +90,6 @@ function version4(parameters: Version4Parameters) {
     id: 'coinbaseWalletSDK',
     name: 'Coinbase Wallet',
     rdns: 'com.coinbase.wallet',
-    supportsSimulation: true,
     type: coinbaseWallet.type,
     async connect({ chainId } = {}) {
       try {
@@ -327,7 +326,6 @@ function version3(parameters: Version3Parameters) {
   return createConnector<Provider>((config) => ({
     id: 'coinbaseWalletSDK',
     name: 'Coinbase Wallet',
-    supportsSimulation: true,
     type: coinbaseWallet.type,
     async connect({ chainId } = {}) {
       try {

packages/core/src/actions/codegen/createSimulateContract.test-d.ts

@@ -21,7 +21,6 @@ test('default', async () => {
   expectTypeOf(result).toMatchTypeOf<{
     result: boolean
     request: {
-      __mode: 'prepared'
       chainId: 1
       abi: readonly [
         {
@@ -126,7 +125,6 @@ test('functionName', async () => {
   expectTypeOf(result).toMatchTypeOf<{
     result: boolean
     request: {
-      __mode: 'prepared'
       chainId: 1
       abi: readonly [
         {

packages/core/src/actions/codegen/createSimulateContract.test.ts

@@ -23,7 +23,6 @@ test('default', async () => {
     {
       "chainId": 1,
       "request": {
-        "__mode": "prepared",
         "abi": [
           {
             "inputs": [],
@@ -70,7 +69,6 @@ test('multichain', async () => {
     {
       "chainId": 456,
       "request": {
-        "__mode": "prepared",
         "abi": [
           {
             "inputs": [],
@@ -112,7 +110,6 @@ test('functionName', async () => {
     {
       "chainId": 1,
       "request": {
-        "__mode": "prepared",
         "abi": [
           {
             "inputs": [],

packages/core/src/actions/codegen/createWriteContract.ts

@@ -86,7 +86,7 @@ export type CreateWriteContractReturnType<
               | undefined
           }
         : Compute<ChainIdParameter<config, chainId>>) &
-      ConnectorParameter & { __mode?: 'prepared' }
+      ConnectorParameter
   >,
 ) => Promise<WriteContractReturnType>
 

packages/core/src/actions/sendTransaction.ts

@@ -7,10 +7,7 @@ import type {
   SendTransactionParameters as viem_SendTransactionParameters,
   SendTransactionReturnType as viem_SendTransactionReturnType,
 } from 'viem'
-import {
-  estimateGas as viem_estimateGas,
-  sendTransaction as viem_sendTransaction,
-} from 'viem/actions'
+import { sendTransaction as viem_sendTransaction } from 'viem/actions'
 
 import type { Config } from '../createConfig.js'
 import type { BaseErrorType, ErrorType } from '../errors/base.js'
@@ -21,7 +18,6 @@ import type {
 } from '../types/properties.js'
 import type { Compute } from '../types/utils.js'
 import { getAction } from '../utils/getAction.js'
-import { getAccount } from './getAccount.js'
 import {
   type GetConnectorClientErrorType,
   getConnectorClient,
@@ -66,7 +62,7 @@ export async function sendTransaction<
   config: config,
   parameters: SendTransactionParameters<config, chainId>,
 ): Promise<SendTransactionReturnType> {
-  const { account, chainId, connector, gas: gas_, ...rest } = parameters
+  const { account, chainId, connector, ...rest } = parameters
 
   let client: Client
   if (typeof account === 'object' && account?.type === 'local')
@@ -78,37 +74,10 @@ export async function sendTransaction<
       connector,
     })
 
-  const { connector: activeConnector } = getAccount(config)
-
-  const gas = await (async () => {
-    // Skip gas estimation if `data` doesn't exist (not a contract interaction).
-    if (!('data' in parameters) || !parameters.data) return undefined
-
-    // Skip gas estimation if connector supports simulation.
-    if ((connector ?? activeConnector)?.supportsSimulation) return undefined
-
-    // Skip gas estimation if `null` is provided.
-    if (gas_ === null) return undefined
-
-    // Run gas estimation if no value is provided.
-    if (gas_ === undefined) {
-      const action = getAction(client, viem_estimateGas, 'estimateGas')
-      return action({
-        ...(rest as any),
-        account,
-        chain: chainId ? { id: chainId } : null,
-      })
-    }
-
-    // Use provided gas value.
-    return gas_
-  })()
-
   const action = getAction(client, viem_sendTransaction, 'sendTransaction')
   const hash = await action({
     ...(rest as any),
     ...(account ? { account } : {}),
-    gas,
     chain: chainId ? { id: chainId } : null,
   })
 

packages/core/src/actions/simulateContract.test-d.ts

@@ -22,7 +22,6 @@ test('default', async () => {
   expectTypeOf(response).toMatchTypeOf<{
     result: boolean
     request: {
-      __mode: 'prepared'
       chainId: 1
       abi: readonly [
         {

packages/core/src/actions/simulateContract.test.ts

@@ -19,7 +19,6 @@ test('parameters: account', async () => {
     {
       "chainId": 1,
       "request": {
-        "__mode": "prepared",
         "abi": [
           {
             "inputs": [],
@@ -58,7 +57,6 @@ test('parameters: connector', async () => {
     {
       "chainId": 1,
       "request": {
-        "__mode": "prepared",
         "abi": [
           {
             "inputs": [],

packages/core/src/actions/simulateContract.ts

@@ -96,7 +96,7 @@ export type SimulateContractReturnType<
     chainId: chains[key]['id']
     request: Compute<
       PartialBy<
-        { __mode: 'prepared'; chainId: chainId; chain: chains[key] },
+        { chainId: chainId; chain: chains[key] },
         chainId extends config['chains'][number]['id'] ? never : 'chainId'
       >
     >
@@ -155,7 +155,7 @@ export async function simulateContract<
   return {
     chainId: client.chain.id,
     result,
-    request: { __mode: 'prepared', ...request, chainId },
+    request: { ...request, chainId },
   } as unknown as SimulateContractReturnType<
     abi,
     functionName,

packages/core/src/actions/writeContract.test-d.ts

@@ -28,7 +28,6 @@ test('simulateContract', async () => {
   })
   await writeContract(config, request)
   await writeContract(config, {
-    __mode: 'prepared',
     address: '0x',
     abi: abi.erc20,
     functionName: 'transferFrom',

packages/core/src/actions/writeContract.ts

@@ -22,15 +22,10 @@ import type {
 } from '../types/properties.js'
 import type { Compute, UnionCompute } from '../types/utils.js'
 import { getAction } from '../utils/getAction.js'
-import { getAccount } from './getAccount.js'
 import {
   type GetConnectorClientErrorType,
   getConnectorClient,
 } from './getConnectorClient.js'
-import {
-  type SimulateContractErrorType,
-  simulateContract,
-} from './simulateContract.js'
 
 export type WriteContractParameters<
   abi extends Abi | readonly unknown[] = Abi,
@@ -64,16 +59,14 @@ export type WriteContractParameters<
     >
   }[number] &
     Compute<ChainIdParameter<config, chainId>> &
-    ConnectorParameter & { __mode?: 'prepared' }
+    ConnectorParameter
 >
 
 export type WriteContractReturnType = viem_WriteContractReturnType
 
 export type WriteContractErrorType =
   // getConnectorClient()
   | GetConnectorClientErrorType
-  // simulateContract()
-  | SimulateContractErrorType
   // base
   | BaseErrorType
   | ErrorType
@@ -95,7 +88,7 @@ export async function writeContract<
   config: config,
   parameters: WriteContractParameters<abi, functionName, args, config, chainId>,
 ): Promise<WriteContractReturnType> {
-  const { account, chainId, connector, __mode, ...rest } = parameters
+  const { account, chainId, connector, ...request } = parameters
 
   let client: Client
   if (typeof account === 'object' && account?.type === 'local')
@@ -107,23 +100,9 @@ export async function writeContract<
       connector,
     })
 
-  const { connector: activeConnector } = getAccount(config)
-
-  let request: any
-  if (__mode === 'prepared' || activeConnector?.supportsSimulation)
-    request = rest
-  else {
-    const { request: simulateRequest } = await simulateContract(config, {
-      ...rest,
-      account,
-      chainId,
-    } as any)
-    request = simulateRequest
-  }
-
   const action = getAction(client, viem_writeContract, 'writeContract')
   const hash = await action({
-    ...request,
+    ...(request as any),
     ...(account ? { account } : {}),
     chain: chainId ? { id: chainId } : null,
   })

packages/core/src/connectors/createConnector.ts

@@ -38,6 +38,7 @@ export type CreateConnectorFn<
     readonly id: string
     readonly name: string
     readonly rdns?: string | undefined
+    /** @deprecated */
     readonly supportsSimulation?: boolean | undefined
     readonly type: string
 

packages/core/src/connectors/injected.ts

@@ -34,9 +34,6 @@ export type InjectedParameters = {
   unstable_shimAsyncInject?: boolean | number | undefined
 }
 
-// Regex of wallets/providers that can accurately simulate contract calls & display contract revert reasons.
-const supportsSimulationIdRegex = /(rabby|trustwallet)/
-
 injected.type = 'injected' as const
 export function injected(parameters: InjectedParameters = {}) {
   const { shimDisconnect = true, unstable_shimAsyncInject } = parameters
@@ -91,9 +88,6 @@ export function injected(parameters: InjectedParameters = {}) {
     get name() {
       return getTarget().name
     },
-    get supportsSimulation() {
-      return supportsSimulationIdRegex.test(this.id.toLowerCase())
-    },
     type: injected.type,
     async setup() {
       const provider = await this.getProvider()

packages/react/src/hooks/codegen/createUseSimulateContract.test-d.ts

@@ -19,7 +19,6 @@ test('default', () => {
     | {
         result: boolean
         request: {
-          __mode: 'prepared'
           chainId: 123
           abi: readonly [
             {
@@ -144,7 +143,6 @@ test('functionName', () => {
     | {
         result: boolean
         request: {
-          __mode: 'prepared'
           chainId: 123
           abi: readonly [
             {

packages/react/src/hooks/codegen/createUseSimulateContract.test.ts

@@ -28,7 +28,6 @@ test('default', async () => {
       "data": {
         "chainId": 1,
         "request": {
-          "__mode": "prepared",
           "abi": [
             {
               "inputs": [],
@@ -116,7 +115,6 @@ test('multichain', async () => {
       "data": {
         "chainId": 456,
         "request": {
-          "__mode": "prepared",
           "abi": [
             {
               "inputs": [],
@@ -197,7 +195,6 @@ test('functionName', async () => {
       "data": {
         "chainId": 1,
         "request": {
-          "__mode": "prepared",
           "abi": [
             {
               "inputs": [],

packages/react/src/hooks/codegen/createUseWriteContract.ts

@@ -290,5 +290,5 @@ type Variables<
             | undefined
         }
       : Compute<ChainIdParameter<config, chainId>>) &
-    ConnectorParameter & { __mode?: 'prepared' }
+    ConnectorParameter
 >

packages/react/src/hooks/useSimulateContract.test-d.ts

@@ -20,7 +20,6 @@ test('default', () => {
     | {
         result: boolean
         request: {
-          __mode: 'prepared'
           chainId?: undefined
           abi: readonly [
             {
@@ -82,7 +81,6 @@ test('UseSimulateContractReturnType', () => {
     | {
         result: boolean
         request: {
-          __mode: 'prepared'
           chainId: number
           abi: readonly [
             {

packages/react/src/hooks/useSimulateContract.test.ts

@@ -25,7 +25,6 @@ test('default', async () => {
       "data": {
         "chainId": 1,
         "request": {
-          "__mode": "prepared",
           "abi": [
             {
               "inputs": [],