@metamask/transaction-controller - npm Package Compare versions

Comparing version 69.5.0 to 69.5.1

dist/utils/gas.cjs

@@ -79,3 +79,3 @@ "use strict";
     request.data = data ? (0, utils_1.add0x)(data) : data;
-    request.value = value ?? '0x0';
+    request.value = normalizeValue(value);
     request.authorizationList = normalizeAuthorizationList(request.authorizationList, chainId);
@@ -504,2 +504,18 @@ delete request.gasPrice;
 /**
+ * Normalize the value to a canonical hex quantity with no leading zero digits.
+ * Some RPC nodes (e.g. Go's `hexutil`) reject quantities such as `0x00` or
+ * `0x0de0b6b3a7640000`, failing gas estimation entirely.
+ *
+ * @param value - The transaction value to normalize.
+ * @returns The normalized transaction value.
+ */
+function normalizeValue(value) {
+    const valueOrDefault = value ?? '0x0';
+    if (!(0, utils_1.isStrictHexString)(valueOrDefault)) {
+        return valueOrDefault;
+    }
+    const stripped = (0, utils_1.remove0x)(valueOrDefault).replace(/^0+/u, '');
+    return stripped.length === 0 ? '0x0' : (0, utils_1.add0x)(stripped);
+}
+/**
  * Estimate the gas for a transaction using the `eth_estimateGas` method.
@@ -506,0 +522,0 @@ *

dist/utils/gas.cjs.map

@@ -1,1 +0,1 @@
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{\n  BNToHex,\n  fractionBN,\n  hexToBN,\n  toHex,\n} from '@metamask/controller-utils';\nimport type { NetworkClientId } from '@metamask/network-controller';\nimport type { Hex, Json } from '@metamask/utils';\nimport { add0x, createModuleLogger, remove0x } from '@metamask/utils';\nimport { BigNumber } from 'bignumber.js';\n\nimport { simulateTransactions } from '../api/simulation-api.js';\nimport { projectLogger } from '../logger.js';\nimport type { TransactionControllerMessenger } from '../TransactionController.js';\nimport { TransactionEnvelopeType } from '../types.js';\nimport type {\n  AuthorizationList,\n  BatchTransactionParams,\n  GetSimulationConfig,\n  IsAtomicBatchSupportedRequest,\n  IsAtomicBatchSupportedResult,\n  Revert,\n  TransactionBatchSingleRequest,\n  TransactionMeta,\n  TransactionParams,\n} from '../types.js';\nimport {\n  DELEGATION_PREFIX,\n  doesAccountSupportEIP7702,\n  generateEIP7702BatchTransaction,\n} from './eip7702.js';\nimport {\n  getGasEstimateBuffer,\n  getGasEstimateFallback,\n} from './feature-flags.js';\nimport { getChainId, rpcRequest } from './provider.js';\nimport { decodeRevert } from './revert-reason.js';\n\nexport type UpdateGasRequest = {\n  isCustomNetwork: boolean;\n  isSimulationEnabled: boolean;\n  getSimulationConfig: GetSimulationConfig;\n  messenger: TransactionControllerMessenger;\n  txMeta: TransactionMeta;\n};\n\nexport type EstimateGasBatchResult = {\n  gasLimits: number[];\n  requiresAuthorizationList?: true;\n  totalGasLimit: number;\n};\n\nexport const log = createModuleLogger(projectLogger, 'gas');\n\nexport const FIXED_GAS = '0x5208';\nexport const DEFAULT_GAS_MULTIPLIER = 1.5;\nexport const MAX_GAS_BLOCK_PERCENT = 90;\nexport const INTRINSIC_GAS = 21000;\n\nexport const DUMMY_AUTHORIZATION_SIGNATURE =\n  '0x1111111111111111111111111111111111111111111111111111111111111111';\n\n/**\n * Populate the gas properties of the provided transaction meta.\n *\n * @param request - The request object including the necessary parameters.\n */\nexport async function updateGas(request: UpdateGasRequest): Promise<void> {\n  const { txMeta } = request;\n  const initialParams = { ...txMeta.txParams };\n\n  const [gas, simulationFails, gasLimitNoBuffer, gasRevert] =\n    await getGas(request);\n\n  txMeta.txParams.gas = gas;\n  txMeta.simulationFails = simulationFails;\n  txMeta.gasLimitNoBuffer = gasLimitNoBuffer;\n\n  if (gasRevert) {\n    txMeta.revert = { ...txMeta.revert, gas: gasRevert };\n  }\n\n  if (!initialParams.gas) {\n    txMeta.originalGasEstimate = txMeta.txParams.gas;\n  }\n\n  txMeta.defaultGasEstimates ??= {};\n  txMeta.defaultGasEstimates.gas = txMeta.txParams.gas;\n}\n\n/**\n * Estimate the gas for the provided transaction parameters.\n * If the gas estimate fails, the fallback value is returned.\n *\n * @param options - The options object.\n * @param options.ignoreDelegationSignatures - Ignore signature errors if submitting delegations to the DelegationManager.\n * @param options.isSimulationEnabled - Whether the simulation is enabled.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.messenger - The messenger instance for communication.\n * @param options.networkClientId - The network client ID.\n * @param options.txParams - The transaction parameters.\n * @returns The estimated gas and related info.\n */\nexport async function estimateGas({\n  ignoreDelegationSignatures,\n  isSimulationEnabled,\n  getSimulationConfig,\n  messenger,\n  networkClientId,\n  txParams,\n}: {\n  ignoreDelegationSignatures?: boolean;\n  isSimulationEnabled: boolean;\n  getSimulationConfig: GetSimulationConfig;\n  messenger: TransactionControllerMessenger;\n  networkClientId: NetworkClientId;\n  txParams: TransactionParams;\n}): Promise<{\n  blockGasLimit: string;\n  estimatedGas: string;\n  gasRevert?: Revert;\n  isUpgradeWithData: boolean;\n  simulationFails: TransactionMeta['simulationFails'];\n}> {\n  const request = { ...txParams };\n  const { authorizationList, data, value } = request;\n  const chainId = getChainId({ messenger, networkClientId });\n\n  if (ignoreDelegationSignatures && !isSimulationEnabled) {\n    throw new Error(\n      'Gas estimation with ignored delegation signatures is not supported as simulation disabled',\n    );\n  }\n\n  const { gasLimit: blockGasLimit, number: blockNumber } = await getLatestBlock(\n    messenger,\n    networkClientId,\n  );\n\n  const blockGasLimitBN = hexToBN(blockGasLimit);\n  const { percentage, fixed, maxGasLimit } = getGasEstimateFallback(\n    chainId,\n    messenger,\n  );\n\n  const uncappedFallback = fixed\n    ? toHex(fixed)\n    : BNToHex(fractionBN(blockGasLimitBN, percentage, 100));\n\n  // Clamp the fallback to the chain's per-transaction gas cap so it can never\n  // exceed the gas limit the RPC will accept. Without this, a percentage of a\n  // high block gas limit can overshoot the cap (e.g. 35% of Polygon's ~140M\n  // block limit is ~49M, but the node caps a tx at ~33.5M and rejects it with\n  // \"transaction gas limit too high\").\n  const fallback =\n    maxGasLimit !== undefined &&\n    hexToBN(uncappedFallback).gt(hexToBN(toHex(maxGasLimit)))\n      ? toHex(maxGasLimit)\n      : uncappedFallback;\n\n  log('Estimation fallback values', fallback);\n\n  request.data = data ? add0x(data) : data;\n  request.value = value ?? '0x0';\n\n  request.authorizationList = normalizeAuthorizationList(\n    request.authorizationList,\n    chainId,\n  );\n\n  delete request.gasPrice;\n  delete request.maxFeePerGas;\n  delete request.maxPriorityFeePerGas;\n\n  let estimatedGas = fallback;\n  let simulationFails: TransactionMeta['simulationFails'];\n  let gasRevert: Revert | undefined;\n\n  const isUpgradeWithData =\n    txParams.type === TransactionEnvelopeType.setCode &&\n    Boolean(authorizationList?.length) &&\n    Boolean(data) &&\n    data !== '0x';\n\n  try {\n    if (isSimulationEnabled && isUpgradeWithData) {\n      estimatedGas = await estimateGasUpgradeWithDataToSelf(\n        request,\n        messenger,\n        networkClientId,\n        chainId,\n        getSimulationConfig,\n      );\n    } else if (ignoreDelegationSignatures && isSimulationEnabled) {\n      estimatedGas = await simulateGas({\n        chainId,\n        getSimulationConfig,\n        transaction: request,\n      });\n    } else {\n      estimatedGas = await estimateGasNode(messenger, networkClientId, request);\n    }\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n  } catch (error: any) {\n    simulationFails = {\n      reason: error.message,\n      errorKey: error.errorKey,\n      debug: {\n        blockNumber,\n        blockGasLimit,\n      },\n    };\n\n    gasRevert = decodeRevert(error, 'gas');\n\n    log('Estimation failed', { ...simulationFails, fallback, gasRevert });\n  }\n\n  return {\n    blockGasLimit,\n    estimatedGas,\n    gasRevert,\n    isUpgradeWithData,\n    simulationFails,\n  };\n}\n\n/**\n * Sum caller-provided gas limits across a batch.\n *\n * If every transaction in the batch already has a `gas` value, returns the\n * parsed per-tx limits and their sum. Otherwise returns `undefined`.\n *\n * Used by `estimateGasBatch`:\n * - non-7702 path: short-circuits simulation entirely when present.\n * - EIP-7702 path: used as a fallback when simulation fails — required for\n *   callers that submit batches whose individual sub-calls cannot be simulated\n *   standalone (e.g. predict-withdraw, where the batch's first sub-call\n *   provides source-token balance to subsequent sub-calls). When 7702\n *   simulation succeeds it is preferred since the bundled call has no per-tx\n *   intrinsic gas cost and produces a tighter estimate.\n *\n * @param transactions - Batch transactions to inspect.\n * @returns Parsed gas limits and total when every transaction has gas; otherwise `undefined`.\n */\nexport function getProvidedBatchGasLimits(\n  transactions: BatchTransactionParams[],\n): { gasLimits: number[]; totalGasLimit: number } | undefined {\n  if (!transactions.every((transaction) => transaction.gas !== undefined)) {\n    return undefined;\n  }\n\n  const gasLimits = transactions.map((transaction) =>\n    new BigNumber(transaction.gas as Hex).toNumber(),\n  );\n  const totalGasLimit = gasLimits.reduce((acc, gasLimit) => acc + gasLimit, 0);\n\n  return { gasLimits, totalGasLimit };\n}\n\nexport async function estimateGasBatch({\n  from,\n  getSimulationConfig,\n  isAtomicBatchSupported,\n  messenger,\n  networkClientId,\n  transactions,\n}: {\n  from: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  isAtomicBatchSupported: (\n    request: IsAtomicBatchSupportedRequest,\n  ) => Promise<IsAtomicBatchSupportedResult>;\n  messenger: TransactionControllerMessenger;\n  networkClientId: NetworkClientId;\n  transactions: BatchTransactionParams[];\n}): Promise<EstimateGasBatchResult> {\n  const chainId = getChainId({ messenger, networkClientId });\n\n  const is7702Result = await isAtomicBatchSupported({\n    address: from,\n    chainIds: [chainId],\n  });\n\n  const accountSupports7702 = doesAccountSupportEIP7702(messenger, from);\n\n  const chainResult = accountSupports7702\n    ? is7702Result.find((result) => result.chainId === chainId)\n    : undefined;\n\n  const isUpgradeRequired = Boolean(chainResult && !chainResult.isSupported);\n\n  if (isUpgradeRequired && !chainResult?.upgradeContractAddress) {\n    throw new Error('Upgrade contract address not found');\n  }\n\n  if (chainResult) {\n    const providedBatchGasLimits = getProvidedBatchGasLimits(transactions);\n\n    const authorizationList = isUpgradeRequired\n      ? [{ address: chainResult.upgradeContractAddress as Hex }]\n      : undefined;\n\n    const type = isUpgradeRequired\n      ? TransactionEnvelopeType.setCode\n      : undefined;\n\n    const params: TransactionParams = {\n      ...generateEIP7702BatchTransaction(from, transactions),\n      authorizationList,\n      from,\n      type,\n    };\n\n    // Prefer real EIP-7702 simulation when it succeeds — the bundled call has\n    // no per-tx intrinsic gas cost so the estimate is typically lower than\n    // summing per-tx provided limits. Fall back to the provided sum when the\n    // node-level simulation fails (e.g. predict-withdraw, where the batch's\n    // first sub-call provides source-token balance to subsequent sub-calls).\n    const { estimatedGas: gasLimitHex, simulationFails } = await estimateGas({\n      isSimulationEnabled: true,\n      getSimulationConfig,\n      messenger,\n      networkClientId,\n      txParams: params,\n    });\n\n    if (simulationFails && providedBatchGasLimits) {\n      log(\n        'EIP-7702 estimation failed, using batch parameter gas limits',\n        providedBatchGasLimits,\n        simulationFails,\n      );\n      return {\n        gasLimits: [providedBatchGasLimits.totalGasLimit],\n        ...(isUpgradeRequired ? { requiresAuthorizationList: true } : {}),\n        totalGasLimit: providedBatchGasLimits.totalGasLimit,\n      };\n    }\n\n    const totalGasLimit = new BigNumber(gasLimitHex).toNumber();\n\n    log('Estimated EIP-7702 gas limit', totalGasLimit);\n\n    return {\n      gasLimits: [totalGasLimit],\n      ...(isUpgradeRequired ? { requiresAuthorizationList: true } : {}),\n      totalGasLimit,\n    };\n  }\n\n  const providedBatchGasLimits = getProvidedBatchGasLimits(transactions);\n  if (providedBatchGasLimits) {\n    log('Using batch parameter gas limits', providedBatchGasLimits);\n    return providedBatchGasLimits;\n  }\n\n  const { gasLimits: gasLimitsHex } = await simulateGasBatch({\n    chainId,\n    from,\n    getSimulationConfig,\n    transactions: transactions.map((transaction) => ({\n      params: transaction,\n    })),\n  });\n\n  const gasLimits = transactions.map((transaction, index) =>\n    transaction.gas\n      ? new BigNumber(transaction.gas).toNumber()\n      : new BigNumber(gasLimitsHex[index]).toNumber(),\n  );\n\n  const totalGasLimit = gasLimits.reduce((acc, gasLimit) => acc + gasLimit, 0);\n\n  log('Simulated batch gas limits', { totalGasLimit, gasLimits });\n\n  return { totalGasLimit, gasLimits };\n}\n\n/**\n * Add a buffer to the provided estimated gas.\n * The buffer is calculated based on the block gas limit and a multiplier.\n *\n * @param estimatedGas - The estimated gas.\n * @param blockGasLimit - The block gas limit.\n * @param multiplier - The multiplier to apply to the estimated gas.\n * @returns The gas with the buffer applied.\n */\nexport function addGasBuffer(\n  estimatedGas: string,\n  blockGasLimit: string,\n  multiplier: number,\n): string {\n  const estimatedGasBN = hexToBN(estimatedGas);\n\n  const maxGasBN = fractionBN(\n    hexToBN(blockGasLimit),\n    MAX_GAS_BLOCK_PERCENT,\n    100,\n  );\n\n  const paddedGasBN = fractionBN(estimatedGasBN, multiplier * 100, 100);\n\n  if (estimatedGasBN.gt(maxGasBN)) {\n    const estimatedGasHex = add0x(estimatedGas);\n    log('Using estimated value', estimatedGasHex);\n    return estimatedGasHex;\n  }\n\n  if (paddedGasBN.lt(maxGasBN)) {\n    const paddedHex = add0x(BNToHex(paddedGasBN));\n    log('Using padded estimate', paddedHex, multiplier);\n    return paddedHex;\n  }\n\n  const maxHex = add0x(BNToHex(maxGasBN));\n  log('Using 90% of block gas limit', maxHex);\n  return maxHex;\n}\n\n/**\n * Simulate the required gas for a batch of transactions using the simulation API.\n *\n * @param options - The options object.\n * @param options.chainId - The chain ID of the transactions.\n * @param options.from - The address of the sender.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.transactions - The array of transactions within a batch request.\n * @returns An object containing the transactions with their gas limits and the total gas limit.\n */\nexport async function simulateGasBatch({\n  chainId,\n  from,\n  getSimulationConfig,\n  transactions,\n}: {\n  chainId: Hex;\n  from: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  transactions: TransactionBatchSingleRequest[];\n}): Promise<{ totalGasLimit: Hex; gasLimits: Hex[] }> {\n  try {\n    const response = await simulateTransactions(chainId, {\n      getSimulationConfig,\n      transactions: transactions.map((transaction) => ({\n        ...transaction.params,\n        from,\n      })),\n    });\n\n    if (response?.transactions?.length !== transactions.length) {\n      throw new Error('Simulation response does not match transaction count');\n    }\n\n    return response.transactions.reduce<{\n      totalGasLimit: Hex;\n      gasLimits: Hex[];\n    }>(\n      (acc, transaction) => {\n        const gasLimit = transaction?.gasLimit;\n\n        if (!gasLimit) {\n          throw new Error(\n            'No simulated gas returned for one of the transactions',\n          );\n        }\n\n        acc.gasLimits.push(gasLimit);\n\n        acc.totalGasLimit = BNToHex(\n          hexToBN(acc.totalGasLimit).add(hexToBN(gasLimit)),\n        );\n\n        return acc;\n      },\n      {\n        totalGasLimit: '0x0',\n        gasLimits: [],\n      },\n    );\n  } catch (error: unknown) {\n    log('Error while simulating gas batch', error);\n    throw new Error(\n      'Cannot estimate transaction batch total gas as simulation failed',\n    );\n  }\n}\n\n/**\n * Determine the gas for the provided request.\n *\n * @param request - The request object including the necessary parameters.\n * @returns The final gas value and the estimate used.\n */\nasync function getGas(\n  request: UpdateGasRequest,\n): Promise<[string, TransactionMeta['simulationFails']?, string?, Revert?]> {\n  const {\n    isCustomNetwork,\n    isSimulationEnabled,\n    getSimulationConfig,\n    messenger,\n    txMeta,\n  } = request;\n  const { networkClientId } = txMeta;\n  const chainId = getChainId({ messenger, networkClientId });\n  const { disableGasBuffer } = txMeta;\n\n  if (txMeta.txParams.gas) {\n    log('Using value from request', txMeta.txParams.gas);\n    return [txMeta.txParams.gas, undefined, txMeta.txParams.gas];\n  }\n\n  if (await requiresFixedGas(request)) {\n    log('Using fixed value', FIXED_GAS);\n    return [FIXED_GAS, undefined, FIXED_GAS];\n  }\n\n  const {\n    blockGasLimit,\n    estimatedGas,\n    gasRevert,\n    isUpgradeWithData,\n    simulationFails,\n  } = await estimateGas({\n    isSimulationEnabled,\n    getSimulationConfig,\n    messenger,\n    networkClientId,\n    txParams: txMeta.txParams,\n  });\n\n  log('Original estimated gas', estimatedGas);\n\n  if (simulationFails) {\n    log('Using original fallback estimate as simulation failed');\n  }\n\n  if (disableGasBuffer) {\n    log('Gas buffer disabled');\n  }\n\n  if (simulationFails || disableGasBuffer) {\n    return [estimatedGas, simulationFails, estimatedGas, gasRevert];\n  }\n\n  const bufferMultiplier = getGasEstimateBuffer({\n    chainId,\n    isCustomRPC: isCustomNetwork,\n    isUpgradeWithData,\n    messenger,\n  });\n\n  log('Buffer', bufferMultiplier);\n\n  const bufferedGas = addGasBuffer(\n    estimatedGas,\n    blockGasLimit,\n    bufferMultiplier,\n  );\n\n  log('Buffered gas', bufferedGas);\n\n  return [bufferedGas, simulationFails, estimatedGas, gasRevert];\n}\n\n/**\n * Determine if the gas for the provided request should be fixed.\n *\n * @param options - The options object.\n * @param options.messenger - The messenger instance for communication.\n * @param options.txMeta - The transaction meta object.\n * @param options.isCustomNetwork - Whether the network is a custom network.\n * @returns Whether the gas should be fixed.\n */\nasync function requiresFixedGas({\n  messenger,\n  txMeta,\n  isCustomNetwork,\n}: UpdateGasRequest): Promise<boolean> {\n  const {\n    networkClientId,\n    txParams: { to, data, type },\n  } = txMeta;\n\n  if (\n    isCustomNetwork ||\n    !to ||\n    data ||\n    type === TransactionEnvelopeType.setCode\n  ) {\n    return false;\n  }\n\n  const code = await getCode(messenger, networkClientId, to);\n\n  return !code || code === '0x';\n}\n\n/**\n * Get the contract code for the provided address.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param address - The address to get the code for.\n * @returns The contract code.\n */\nasync function getCode(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  address: string,\n): Promise<string | undefined> {\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_getCode',\n    params: [address, 'latest'],\n  })) as string | undefined;\n}\n\n/**\n * Get the latest block from the network.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @returns The latest block number.\n */\nasync function getLatestBlock(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n): Promise<{ gasLimit: string; number: string }> {\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_getBlockByNumber',\n    params: ['latest', false],\n  })) as { gasLimit: string; number: string };\n}\n\n/**\n * Estimate the gas for a type 4 transaction.\n *\n * @param txParams - The transaction parameters.\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param chainId - The chain ID of the transaction.\n * @param getSimulationConfig - The function to get the simulation configuration.\n * @returns The estimated gas.\n */\nasync function estimateGasUpgradeWithDataToSelf(\n  txParams: TransactionParams,\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  chainId: Hex,\n  getSimulationConfig: GetSimulationConfig,\n): Promise<Hex> {\n  const upgradeGas = (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_estimateGas',\n    params: [\n      {\n        ...txParams,\n        to: txParams.from,\n        data: '0x',\n      },\n    ],\n  })) as Hex;\n\n  log('Upgrade only gas', upgradeGas);\n\n  const delegationAddress = txParams.authorizationList?.[0].address as Hex;\n\n  let executeGas: Hex | undefined;\n\n  try {\n    executeGas = await simulateGas({\n      chainId,\n      delegationAddress,\n      getSimulationConfig,\n      transaction: txParams,\n    });\n  } catch (error: unknown) {\n    log('Error while simulating data portion of upgrade', error);\n  }\n\n  if (executeGas === undefined) {\n    try {\n      executeGas = await estimateGasNode(\n        messenger,\n        networkClientId,\n        { ...txParams, authorizationList: undefined, type: undefined },\n        delegationAddress,\n      );\n    } catch (error: unknown) {\n      log('Error while estimating data portion of upgrade', error);\n      throw error;\n    }\n\n    log('Success estimating data portion of upgrade', executeGas);\n  }\n\n  log('Execute gas', executeGas);\n\n  const total = BNToHex(\n    hexToBN(upgradeGas).add(hexToBN(executeGas)).subn(INTRINSIC_GAS),\n  );\n\n  log('Total type 4 gas', total);\n\n  return total;\n}\n\n/**\n * Simulate the required gas using the simulation API.\n *\n * @param options - The options object.\n * @param options.chainId - The chain ID of the transaction.\n * @param options.delegationAddress - The delegation address of the sender to mock.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.transaction - The transaction parameters.\n * @returns The simulated gas.\n */\nasync function simulateGas({\n  chainId,\n  delegationAddress,\n  getSimulationConfig,\n  transaction,\n}: {\n  chainId: Hex;\n  delegationAddress?: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  transaction: TransactionParams;\n}): Promise<Hex> {\n  const response = await simulateTransactions(chainId, {\n    getSimulationConfig,\n    transactions: [\n      {\n        to: transaction.to as Hex,\n        from: transaction.from as Hex,\n        data: transaction.data as Hex,\n        value: transaction.value as Hex,\n      },\n    ],\n    overrides: {\n      [transaction.from]: {\n        code:\n          delegationAddress &&\n          ((DELEGATION_PREFIX + remove0x(delegationAddress)) as Hex),\n      },\n    },\n  });\n\n  const gasLimit = response?.transactions?.[0].gasLimit;\n\n  if (!gasLimit) {\n    throw new Error('No simulated gas returned');\n  }\n\n  return gasLimit;\n}\n\n/**\n * Populate the authorization list with dummy values.\n *\n * @param authorizationList - The authorization list to prepare.\n * @param chainId - The chain ID to use.\n * @returns The authorization list with dummy values.\n */\nfunction normalizeAuthorizationList(\n  authorizationList: AuthorizationList | undefined,\n  chainId: Hex,\n): AuthorizationList | undefined {\n  return authorizationList?.map((authorization) => ({\n    ...authorization,\n    chainId: authorization.chainId ?? chainId,\n    nonce: authorization.nonce ?? '0x1',\n    r: authorization.r ?? DUMMY_AUTHORIZATION_SIGNATURE,\n    s: authorization.s ?? DUMMY_AUTHORIZATION_SIGNATURE,\n    yParity: authorization.yParity ?? '0x1',\n  }));\n}\n\n/**\n * Estimate the gas for a transaction using the `eth_estimateGas` method.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param txParams - The transaction parameters.\n * @param delegationAddress - The delegation address of the sender to mock.\n * @returns The estimated gas as a hex string.\n */\nasync function estimateGasNode(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  txParams: TransactionParams,\n  delegationAddress?: Hex,\n): Promise<Hex> {\n  const { from } = txParams;\n  const params = [txParams] as Json[];\n\n  if (delegationAddress) {\n    params.push('latest');\n\n    params.push({\n      [from]: {\n        code: DELEGATION_PREFIX + remove0x(delegationAddress),\n      },\n    });\n  }\n\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_estimateGas',\n    params,\n  })) as Hex;\n}\n"]}
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{\n  BNToHex,\n  fractionBN,\n  hexToBN,\n  toHex,\n} from '@metamask/controller-utils';\nimport type { NetworkClientId } from '@metamask/network-controller';\nimport type { Hex, Json } from '@metamask/utils';\nimport {\n  add0x,\n  createModuleLogger,\n  isStrictHexString,\n  remove0x,\n} from '@metamask/utils';\nimport { BigNumber } from 'bignumber.js';\n\nimport { simulateTransactions } from '../api/simulation-api.js';\nimport { projectLogger } from '../logger.js';\nimport type { TransactionControllerMessenger } from '../TransactionController.js';\nimport { TransactionEnvelopeType } from '../types.js';\nimport type {\n  AuthorizationList,\n  BatchTransactionParams,\n  GetSimulationConfig,\n  IsAtomicBatchSupportedRequest,\n  IsAtomicBatchSupportedResult,\n  Revert,\n  TransactionBatchSingleRequest,\n  TransactionMeta,\n  TransactionParams,\n} from '../types.js';\nimport {\n  DELEGATION_PREFIX,\n  doesAccountSupportEIP7702,\n  generateEIP7702BatchTransaction,\n} from './eip7702.js';\nimport {\n  getGasEstimateBuffer,\n  getGasEstimateFallback,\n} from './feature-flags.js';\nimport { getChainId, rpcRequest } from './provider.js';\nimport { decodeRevert } from './revert-reason.js';\n\nexport type UpdateGasRequest = {\n  isCustomNetwork: boolean;\n  isSimulationEnabled: boolean;\n  getSimulationConfig: GetSimulationConfig;\n  messenger: TransactionControllerMessenger;\n  txMeta: TransactionMeta;\n};\n\nexport type EstimateGasBatchResult = {\n  gasLimits: number[];\n  requiresAuthorizationList?: true;\n  totalGasLimit: number;\n};\n\nexport const log = createModuleLogger(projectLogger, 'gas');\n\nexport const FIXED_GAS = '0x5208';\nexport const DEFAULT_GAS_MULTIPLIER = 1.5;\nexport const MAX_GAS_BLOCK_PERCENT = 90;\nexport const INTRINSIC_GAS = 21000;\n\nexport const DUMMY_AUTHORIZATION_SIGNATURE =\n  '0x1111111111111111111111111111111111111111111111111111111111111111';\n\n/**\n * Populate the gas properties of the provided transaction meta.\n *\n * @param request - The request object including the necessary parameters.\n */\nexport async function updateGas(request: UpdateGasRequest): Promise<void> {\n  const { txMeta } = request;\n  const initialParams = { ...txMeta.txParams };\n\n  const [gas, simulationFails, gasLimitNoBuffer, gasRevert] =\n    await getGas(request);\n\n  txMeta.txParams.gas = gas;\n  txMeta.simulationFails = simulationFails;\n  txMeta.gasLimitNoBuffer = gasLimitNoBuffer;\n\n  if (gasRevert) {\n    txMeta.revert = { ...txMeta.revert, gas: gasRevert };\n  }\n\n  if (!initialParams.gas) {\n    txMeta.originalGasEstimate = txMeta.txParams.gas;\n  }\n\n  txMeta.defaultGasEstimates ??= {};\n  txMeta.defaultGasEstimates.gas = txMeta.txParams.gas;\n}\n\n/**\n * Estimate the gas for the provided transaction parameters.\n * If the gas estimate fails, the fallback value is returned.\n *\n * @param options - The options object.\n * @param options.ignoreDelegationSignatures - Ignore signature errors if submitting delegations to the DelegationManager.\n * @param options.isSimulationEnabled - Whether the simulation is enabled.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.messenger - The messenger instance for communication.\n * @param options.networkClientId - The network client ID.\n * @param options.txParams - The transaction parameters.\n * @returns The estimated gas and related info.\n */\nexport async function estimateGas({\n  ignoreDelegationSignatures,\n  isSimulationEnabled,\n  getSimulationConfig,\n  messenger,\n  networkClientId,\n  txParams,\n}: {\n  ignoreDelegationSignatures?: boolean;\n  isSimulationEnabled: boolean;\n  getSimulationConfig: GetSimulationConfig;\n  messenger: TransactionControllerMessenger;\n  networkClientId: NetworkClientId;\n  txParams: TransactionParams;\n}): Promise<{\n  blockGasLimit: string;\n  estimatedGas: string;\n  gasRevert?: Revert;\n  isUpgradeWithData: boolean;\n  simulationFails: TransactionMeta['simulationFails'];\n}> {\n  const request = { ...txParams };\n  const { authorizationList, data, value } = request;\n  const chainId = getChainId({ messenger, networkClientId });\n\n  if (ignoreDelegationSignatures && !isSimulationEnabled) {\n    throw new Error(\n      'Gas estimation with ignored delegation signatures is not supported as simulation disabled',\n    );\n  }\n\n  const { gasLimit: blockGasLimit, number: blockNumber } = await getLatestBlock(\n    messenger,\n    networkClientId,\n  );\n\n  const blockGasLimitBN = hexToBN(blockGasLimit);\n  const { percentage, fixed, maxGasLimit } = getGasEstimateFallback(\n    chainId,\n    messenger,\n  );\n\n  const uncappedFallback = fixed\n    ? toHex(fixed)\n    : BNToHex(fractionBN(blockGasLimitBN, percentage, 100));\n\n  // Clamp the fallback to the chain's per-transaction gas cap so it can never\n  // exceed the gas limit the RPC will accept. Without this, a percentage of a\n  // high block gas limit can overshoot the cap (e.g. 35% of Polygon's ~140M\n  // block limit is ~49M, but the node caps a tx at ~33.5M and rejects it with\n  // \"transaction gas limit too high\").\n  const fallback =\n    maxGasLimit !== undefined &&\n    hexToBN(uncappedFallback).gt(hexToBN(toHex(maxGasLimit)))\n      ? toHex(maxGasLimit)\n      : uncappedFallback;\n\n  log('Estimation fallback values', fallback);\n\n  request.data = data ? add0x(data) : data;\n  request.value = normalizeValue(value);\n\n  request.authorizationList = normalizeAuthorizationList(\n    request.authorizationList,\n    chainId,\n  );\n\n  delete request.gasPrice;\n  delete request.maxFeePerGas;\n  delete request.maxPriorityFeePerGas;\n\n  let estimatedGas = fallback;\n  let simulationFails: TransactionMeta['simulationFails'];\n  let gasRevert: Revert | undefined;\n\n  const isUpgradeWithData =\n    txParams.type === TransactionEnvelopeType.setCode &&\n    Boolean(authorizationList?.length) &&\n    Boolean(data) &&\n    data !== '0x';\n\n  try {\n    if (isSimulationEnabled && isUpgradeWithData) {\n      estimatedGas = await estimateGasUpgradeWithDataToSelf(\n        request,\n        messenger,\n        networkClientId,\n        chainId,\n        getSimulationConfig,\n      );\n    } else if (ignoreDelegationSignatures && isSimulationEnabled) {\n      estimatedGas = await simulateGas({\n        chainId,\n        getSimulationConfig,\n        transaction: request,\n      });\n    } else {\n      estimatedGas = await estimateGasNode(messenger, networkClientId, request);\n    }\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n  } catch (error: any) {\n    simulationFails = {\n      reason: error.message,\n      errorKey: error.errorKey,\n      debug: {\n        blockNumber,\n        blockGasLimit,\n      },\n    };\n\n    gasRevert = decodeRevert(error, 'gas');\n\n    log('Estimation failed', { ...simulationFails, fallback, gasRevert });\n  }\n\n  return {\n    blockGasLimit,\n    estimatedGas,\n    gasRevert,\n    isUpgradeWithData,\n    simulationFails,\n  };\n}\n\n/**\n * Sum caller-provided gas limits across a batch.\n *\n * If every transaction in the batch already has a `gas` value, returns the\n * parsed per-tx limits and their sum. Otherwise returns `undefined`.\n *\n * Used by `estimateGasBatch`:\n * - non-7702 path: short-circuits simulation entirely when present.\n * - EIP-7702 path: used as a fallback when simulation fails — required for\n *   callers that submit batches whose individual sub-calls cannot be simulated\n *   standalone (e.g. predict-withdraw, where the batch's first sub-call\n *   provides source-token balance to subsequent sub-calls). When 7702\n *   simulation succeeds it is preferred since the bundled call has no per-tx\n *   intrinsic gas cost and produces a tighter estimate.\n *\n * @param transactions - Batch transactions to inspect.\n * @returns Parsed gas limits and total when every transaction has gas; otherwise `undefined`.\n */\nexport function getProvidedBatchGasLimits(\n  transactions: BatchTransactionParams[],\n): { gasLimits: number[]; totalGasLimit: number } | undefined {\n  if (!transactions.every((transaction) => transaction.gas !== undefined)) {\n    return undefined;\n  }\n\n  const gasLimits = transactions.map((transaction) =>\n    new BigNumber(transaction.gas as Hex).toNumber(),\n  );\n  const totalGasLimit = gasLimits.reduce((acc, gasLimit) => acc + gasLimit, 0);\n\n  return { gasLimits, totalGasLimit };\n}\n\nexport async function estimateGasBatch({\n  from,\n  getSimulationConfig,\n  isAtomicBatchSupported,\n  messenger,\n  networkClientId,\n  transactions,\n}: {\n  from: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  isAtomicBatchSupported: (\n    request: IsAtomicBatchSupportedRequest,\n  ) => Promise<IsAtomicBatchSupportedResult>;\n  messenger: TransactionControllerMessenger;\n  networkClientId: NetworkClientId;\n  transactions: BatchTransactionParams[];\n}): Promise<EstimateGasBatchResult> {\n  const chainId = getChainId({ messenger, networkClientId });\n\n  const is7702Result = await isAtomicBatchSupported({\n    address: from,\n    chainIds: [chainId],\n  });\n\n  const accountSupports7702 = doesAccountSupportEIP7702(messenger, from);\n\n  const chainResult = accountSupports7702\n    ? is7702Result.find((result) => result.chainId === chainId)\n    : undefined;\n\n  const isUpgradeRequired = Boolean(chainResult && !chainResult.isSupported);\n\n  if (isUpgradeRequired && !chainResult?.upgradeContractAddress) {\n    throw new Error('Upgrade contract address not found');\n  }\n\n  if (chainResult) {\n    const providedBatchGasLimits = getProvidedBatchGasLimits(transactions);\n\n    const authorizationList = isUpgradeRequired\n      ? [{ address: chainResult.upgradeContractAddress as Hex }]\n      : undefined;\n\n    const type = isUpgradeRequired\n      ? TransactionEnvelopeType.setCode\n      : undefined;\n\n    const params: TransactionParams = {\n      ...generateEIP7702BatchTransaction(from, transactions),\n      authorizationList,\n      from,\n      type,\n    };\n\n    // Prefer real EIP-7702 simulation when it succeeds — the bundled call has\n    // no per-tx intrinsic gas cost so the estimate is typically lower than\n    // summing per-tx provided limits. Fall back to the provided sum when the\n    // node-level simulation fails (e.g. predict-withdraw, where the batch's\n    // first sub-call provides source-token balance to subsequent sub-calls).\n    const { estimatedGas: gasLimitHex, simulationFails } = await estimateGas({\n      isSimulationEnabled: true,\n      getSimulationConfig,\n      messenger,\n      networkClientId,\n      txParams: params,\n    });\n\n    if (simulationFails && providedBatchGasLimits) {\n      log(\n        'EIP-7702 estimation failed, using batch parameter gas limits',\n        providedBatchGasLimits,\n        simulationFails,\n      );\n      return {\n        gasLimits: [providedBatchGasLimits.totalGasLimit],\n        ...(isUpgradeRequired ? { requiresAuthorizationList: true } : {}),\n        totalGasLimit: providedBatchGasLimits.totalGasLimit,\n      };\n    }\n\n    const totalGasLimit = new BigNumber(gasLimitHex).toNumber();\n\n    log('Estimated EIP-7702 gas limit', totalGasLimit);\n\n    return {\n      gasLimits: [totalGasLimit],\n      ...(isUpgradeRequired ? { requiresAuthorizationList: true } : {}),\n      totalGasLimit,\n    };\n  }\n\n  const providedBatchGasLimits = getProvidedBatchGasLimits(transactions);\n  if (providedBatchGasLimits) {\n    log('Using batch parameter gas limits', providedBatchGasLimits);\n    return providedBatchGasLimits;\n  }\n\n  const { gasLimits: gasLimitsHex } = await simulateGasBatch({\n    chainId,\n    from,\n    getSimulationConfig,\n    transactions: transactions.map((transaction) => ({\n      params: transaction,\n    })),\n  });\n\n  const gasLimits = transactions.map((transaction, index) =>\n    transaction.gas\n      ? new BigNumber(transaction.gas).toNumber()\n      : new BigNumber(gasLimitsHex[index]).toNumber(),\n  );\n\n  const totalGasLimit = gasLimits.reduce((acc, gasLimit) => acc + gasLimit, 0);\n\n  log('Simulated batch gas limits', { totalGasLimit, gasLimits });\n\n  return { totalGasLimit, gasLimits };\n}\n\n/**\n * Add a buffer to the provided estimated gas.\n * The buffer is calculated based on the block gas limit and a multiplier.\n *\n * @param estimatedGas - The estimated gas.\n * @param blockGasLimit - The block gas limit.\n * @param multiplier - The multiplier to apply to the estimated gas.\n * @returns The gas with the buffer applied.\n */\nexport function addGasBuffer(\n  estimatedGas: string,\n  blockGasLimit: string,\n  multiplier: number,\n): string {\n  const estimatedGasBN = hexToBN(estimatedGas);\n\n  const maxGasBN = fractionBN(\n    hexToBN(blockGasLimit),\n    MAX_GAS_BLOCK_PERCENT,\n    100,\n  );\n\n  const paddedGasBN = fractionBN(estimatedGasBN, multiplier * 100, 100);\n\n  if (estimatedGasBN.gt(maxGasBN)) {\n    const estimatedGasHex = add0x(estimatedGas);\n    log('Using estimated value', estimatedGasHex);\n    return estimatedGasHex;\n  }\n\n  if (paddedGasBN.lt(maxGasBN)) {\n    const paddedHex = add0x(BNToHex(paddedGasBN));\n    log('Using padded estimate', paddedHex, multiplier);\n    return paddedHex;\n  }\n\n  const maxHex = add0x(BNToHex(maxGasBN));\n  log('Using 90% of block gas limit', maxHex);\n  return maxHex;\n}\n\n/**\n * Simulate the required gas for a batch of transactions using the simulation API.\n *\n * @param options - The options object.\n * @param options.chainId - The chain ID of the transactions.\n * @param options.from - The address of the sender.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.transactions - The array of transactions within a batch request.\n * @returns An object containing the transactions with their gas limits and the total gas limit.\n */\nexport async function simulateGasBatch({\n  chainId,\n  from,\n  getSimulationConfig,\n  transactions,\n}: {\n  chainId: Hex;\n  from: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  transactions: TransactionBatchSingleRequest[];\n}): Promise<{ totalGasLimit: Hex; gasLimits: Hex[] }> {\n  try {\n    const response = await simulateTransactions(chainId, {\n      getSimulationConfig,\n      transactions: transactions.map((transaction) => ({\n        ...transaction.params,\n        from,\n      })),\n    });\n\n    if (response?.transactions?.length !== transactions.length) {\n      throw new Error('Simulation response does not match transaction count');\n    }\n\n    return response.transactions.reduce<{\n      totalGasLimit: Hex;\n      gasLimits: Hex[];\n    }>(\n      (acc, transaction) => {\n        const gasLimit = transaction?.gasLimit;\n\n        if (!gasLimit) {\n          throw new Error(\n            'No simulated gas returned for one of the transactions',\n          );\n        }\n\n        acc.gasLimits.push(gasLimit);\n\n        acc.totalGasLimit = BNToHex(\n          hexToBN(acc.totalGasLimit).add(hexToBN(gasLimit)),\n        );\n\n        return acc;\n      },\n      {\n        totalGasLimit: '0x0',\n        gasLimits: [],\n      },\n    );\n  } catch (error: unknown) {\n    log('Error while simulating gas batch', error);\n    throw new Error(\n      'Cannot estimate transaction batch total gas as simulation failed',\n    );\n  }\n}\n\n/**\n * Determine the gas for the provided request.\n *\n * @param request - The request object including the necessary parameters.\n * @returns The final gas value and the estimate used.\n */\nasync function getGas(\n  request: UpdateGasRequest,\n): Promise<[string, TransactionMeta['simulationFails']?, string?, Revert?]> {\n  const {\n    isCustomNetwork,\n    isSimulationEnabled,\n    getSimulationConfig,\n    messenger,\n    txMeta,\n  } = request;\n  const { networkClientId } = txMeta;\n  const chainId = getChainId({ messenger, networkClientId });\n  const { disableGasBuffer } = txMeta;\n\n  if (txMeta.txParams.gas) {\n    log('Using value from request', txMeta.txParams.gas);\n    return [txMeta.txParams.gas, undefined, txMeta.txParams.gas];\n  }\n\n  if (await requiresFixedGas(request)) {\n    log('Using fixed value', FIXED_GAS);\n    return [FIXED_GAS, undefined, FIXED_GAS];\n  }\n\n  const {\n    blockGasLimit,\n    estimatedGas,\n    gasRevert,\n    isUpgradeWithData,\n    simulationFails,\n  } = await estimateGas({\n    isSimulationEnabled,\n    getSimulationConfig,\n    messenger,\n    networkClientId,\n    txParams: txMeta.txParams,\n  });\n\n  log('Original estimated gas', estimatedGas);\n\n  if (simulationFails) {\n    log('Using original fallback estimate as simulation failed');\n  }\n\n  if (disableGasBuffer) {\n    log('Gas buffer disabled');\n  }\n\n  if (simulationFails || disableGasBuffer) {\n    return [estimatedGas, simulationFails, estimatedGas, gasRevert];\n  }\n\n  const bufferMultiplier = getGasEstimateBuffer({\n    chainId,\n    isCustomRPC: isCustomNetwork,\n    isUpgradeWithData,\n    messenger,\n  });\n\n  log('Buffer', bufferMultiplier);\n\n  const bufferedGas = addGasBuffer(\n    estimatedGas,\n    blockGasLimit,\n    bufferMultiplier,\n  );\n\n  log('Buffered gas', bufferedGas);\n\n  return [bufferedGas, simulationFails, estimatedGas, gasRevert];\n}\n\n/**\n * Determine if the gas for the provided request should be fixed.\n *\n * @param options - The options object.\n * @param options.messenger - The messenger instance for communication.\n * @param options.txMeta - The transaction meta object.\n * @param options.isCustomNetwork - Whether the network is a custom network.\n * @returns Whether the gas should be fixed.\n */\nasync function requiresFixedGas({\n  messenger,\n  txMeta,\n  isCustomNetwork,\n}: UpdateGasRequest): Promise<boolean> {\n  const {\n    networkClientId,\n    txParams: { to, data, type },\n  } = txMeta;\n\n  if (\n    isCustomNetwork ||\n    !to ||\n    data ||\n    type === TransactionEnvelopeType.setCode\n  ) {\n    return false;\n  }\n\n  const code = await getCode(messenger, networkClientId, to);\n\n  return !code || code === '0x';\n}\n\n/**\n * Get the contract code for the provided address.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param address - The address to get the code for.\n * @returns The contract code.\n */\nasync function getCode(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  address: string,\n): Promise<string | undefined> {\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_getCode',\n    params: [address, 'latest'],\n  })) as string | undefined;\n}\n\n/**\n * Get the latest block from the network.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @returns The latest block number.\n */\nasync function getLatestBlock(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n): Promise<{ gasLimit: string; number: string }> {\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_getBlockByNumber',\n    params: ['latest', false],\n  })) as { gasLimit: string; number: string };\n}\n\n/**\n * Estimate the gas for a type 4 transaction.\n *\n * @param txParams - The transaction parameters.\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param chainId - The chain ID of the transaction.\n * @param getSimulationConfig - The function to get the simulation configuration.\n * @returns The estimated gas.\n */\nasync function estimateGasUpgradeWithDataToSelf(\n  txParams: TransactionParams,\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  chainId: Hex,\n  getSimulationConfig: GetSimulationConfig,\n): Promise<Hex> {\n  const upgradeGas = (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_estimateGas',\n    params: [\n      {\n        ...txParams,\n        to: txParams.from,\n        data: '0x',\n      },\n    ],\n  })) as Hex;\n\n  log('Upgrade only gas', upgradeGas);\n\n  const delegationAddress = txParams.authorizationList?.[0].address as Hex;\n\n  let executeGas: Hex | undefined;\n\n  try {\n    executeGas = await simulateGas({\n      chainId,\n      delegationAddress,\n      getSimulationConfig,\n      transaction: txParams,\n    });\n  } catch (error: unknown) {\n    log('Error while simulating data portion of upgrade', error);\n  }\n\n  if (executeGas === undefined) {\n    try {\n      executeGas = await estimateGasNode(\n        messenger,\n        networkClientId,\n        { ...txParams, authorizationList: undefined, type: undefined },\n        delegationAddress,\n      );\n    } catch (error: unknown) {\n      log('Error while estimating data portion of upgrade', error);\n      throw error;\n    }\n\n    log('Success estimating data portion of upgrade', executeGas);\n  }\n\n  log('Execute gas', executeGas);\n\n  const total = BNToHex(\n    hexToBN(upgradeGas).add(hexToBN(executeGas)).subn(INTRINSIC_GAS),\n  );\n\n  log('Total type 4 gas', total);\n\n  return total;\n}\n\n/**\n * Simulate the required gas using the simulation API.\n *\n * @param options - The options object.\n * @param options.chainId - The chain ID of the transaction.\n * @param options.delegationAddress - The delegation address of the sender to mock.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.transaction - The transaction parameters.\n * @returns The simulated gas.\n */\nasync function simulateGas({\n  chainId,\n  delegationAddress,\n  getSimulationConfig,\n  transaction,\n}: {\n  chainId: Hex;\n  delegationAddress?: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  transaction: TransactionParams;\n}): Promise<Hex> {\n  const response = await simulateTransactions(chainId, {\n    getSimulationConfig,\n    transactions: [\n      {\n        to: transaction.to as Hex,\n        from: transaction.from as Hex,\n        data: transaction.data as Hex,\n        value: transaction.value as Hex,\n      },\n    ],\n    overrides: {\n      [transaction.from]: {\n        code:\n          delegationAddress &&\n          ((DELEGATION_PREFIX + remove0x(delegationAddress)) as Hex),\n      },\n    },\n  });\n\n  const gasLimit = response?.transactions?.[0].gasLimit;\n\n  if (!gasLimit) {\n    throw new Error('No simulated gas returned');\n  }\n\n  return gasLimit;\n}\n\n/**\n * Populate the authorization list with dummy values.\n *\n * @param authorizationList - The authorization list to prepare.\n * @param chainId - The chain ID to use.\n * @returns The authorization list with dummy values.\n */\nfunction normalizeAuthorizationList(\n  authorizationList: AuthorizationList | undefined,\n  chainId: Hex,\n): AuthorizationList | undefined {\n  return authorizationList?.map((authorization) => ({\n    ...authorization,\n    chainId: authorization.chainId ?? chainId,\n    nonce: authorization.nonce ?? '0x1',\n    r: authorization.r ?? DUMMY_AUTHORIZATION_SIGNATURE,\n    s: authorization.s ?? DUMMY_AUTHORIZATION_SIGNATURE,\n    yParity: authorization.yParity ?? '0x1',\n  }));\n}\n\n/**\n * Normalize the value to a canonical hex quantity with no leading zero digits.\n * Some RPC nodes (e.g. Go's `hexutil`) reject quantities such as `0x00` or\n * `0x0de0b6b3a7640000`, failing gas estimation entirely.\n *\n * @param value - The transaction value to normalize.\n * @returns The normalized transaction value.\n */\nfunction normalizeValue(value: string | undefined): string {\n  const valueOrDefault = value ?? '0x0';\n\n  if (!isStrictHexString(valueOrDefault)) {\n    return valueOrDefault;\n  }\n\n  const stripped = remove0x(valueOrDefault).replace(/^0+/u, '');\n\n  return stripped.length === 0 ? '0x0' : add0x(stripped);\n}\n\n/**\n * Estimate the gas for a transaction using the `eth_estimateGas` method.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param txParams - The transaction parameters.\n * @param delegationAddress - The delegation address of the sender to mock.\n * @returns The estimated gas as a hex string.\n */\nasync function estimateGasNode(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  txParams: TransactionParams,\n  delegationAddress?: Hex,\n): Promise<Hex> {\n  const { from } = txParams;\n  const params = [txParams] as Json[];\n\n  if (delegationAddress) {\n    params.push('latest');\n\n    params.push({\n      [from]: {\n        code: DELEGATION_PREFIX + remove0x(delegationAddress),\n      },\n    });\n  }\n\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_estimateGas',\n    params,\n  })) as Hex;\n}\n"]}

dist/utils/gas.d.cts.map

@@ -1,1 +0,1 @@
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+{"version":3,"file":"gas.d.cts","sourceRoot":"","sources":["../../src/utils/gas.ts"],"names":[],"mappings":";AAMA,OAAO,KAAK,EAAE,eAAe,EAAE,qCAAqC;AACpE,OAAO,KAAK,EAAE,GAAG,EAAQ,wBAAwB;AAWjD,OAAO,KAAK,EAAE,8BAA8B,EAAE,qCAAoC;AAElF,OAAO,KAAK,EAEV,sBAAsB,EACtB,mBAAmB,EACnB,6BAA6B,EAC7B,4BAA4B,EAC5B,MAAM,EACN,6BAA6B,EAC7B,eAAe,EACf,iBAAiB,EAClB,qBAAoB;AAarB,MAAM,MAAM,gBAAgB,GAAG;IAC7B,eAAe,EAAE,OAAO,CAAC;IACzB,mBAAmB,EAAE,OAAO,CAAC;IAC7B,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,SAAS,EAAE,8BAA8B,CAAC;IAC1C,MAAM,EAAE,eAAe,CAAC;CACzB,CAAC;AAEF,MAAM,MAAM,sBAAsB,GAAG;IACnC,SAAS,EAAE,MAAM,EAAE,CAAC;IACpB,yBAAyB,CAAC,EAAE,IAAI,CAAC;IACjC,aAAa,EAAE,MAAM,CAAC;CACvB,CAAC;AAEF,eAAO,MAAM,GAAG,0BAA2C,CAAC;AAE5D,eAAO,MAAM,SAAS,WAAW,CAAC;AAClC,eAAO,MAAM,sBAAsB,MAAM,CAAC;AAC1C,eAAO,MAAM,qBAAqB,KAAK,CAAC;AACxC,eAAO,MAAM,aAAa,QAAQ,CAAC;AAEnC,eAAO,MAAM,6BAA6B,uEAC4B,CAAC;AAEvE;;;;GAIG;AACH,wBAAsB,SAAS,CAAC,OAAO,EAAE,gBAAgB,GAAG,OAAO,CAAC,IAAI,CAAC,CAqBxE;AAED;;;;;;;;;;;;GAYG;AACH,wBAAsB,WAAW,CAAC,EAChC,0BAA0B,EAC1B,mBAAmB,EACnB,mBAAmB,EACnB,SAAS,EACT,eAAe,EACf,QAAQ,GACT,EAAE;IACD,0BAA0B,CAAC,EAAE,OAAO,CAAC;IACrC,mBAAmB,EAAE,OAAO,CAAC;IAC7B,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,SAAS,EAAE,8BAA8B,CAAC;IAC1C,eAAe,EAAE,eAAe,CAAC;IACjC,QAAQ,EAAE,iBAAiB,CAAC;CAC7B,GAAG,OAAO,CAAC;IACV,aAAa,EAAE,MAAM,CAAC;IACtB,YAAY,EAAE,MAAM,CAAC;IACrB,SAAS,CAAC,EAAE,MAAM,CAAC;IACnB,iBAAiB,EAAE,OAAO,CAAC;IAC3B,eAAe,EAAE,eAAe,CAAC,iBAAiB,CAAC,CAAC;CACrD,CAAC,CAsGD;AAED;;;;;;;;;;;;;;;;;GAiBG;AACH,wBAAgB,yBAAyB,CACvC,YAAY,EAAE,sBAAsB,EAAE,GACrC;IAAE,SAAS,EAAE,MAAM,EAAE,CAAC;IAAC,aAAa,EAAE,MAAM,CAAA;CAAE,GAAG,SAAS,CAW5D;AAED,wBAAsB,gBAAgB,CAAC,EACrC,IAAI,EACJ,mBAAmB,EACnB,sBAAsB,EACtB,SAAS,EACT,eAAe,EACf,YAAY,GACb,EAAE;IACD,IAAI,EAAE,GAAG,CAAC;IACV,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,sBAAsB,EAAE,CACtB,OAAO,EAAE,6BAA6B,KACnC,OAAO,CAAC,4BAA4B,CAAC,CAAC;IAC3C,SAAS,EAAE,8BAA8B,CAAC;IAC1C,eAAe,EAAE,eAAe,CAAC;IACjC,YAAY,EAAE,sBAAsB,EAAE,CAAC;CACxC,GAAG,OAAO,CAAC,sBAAsB,CAAC,CAqGlC;AAED;;;;;;;;GAQG;AACH,wBAAgB,YAAY,CAC1B,YAAY,EAAE,MAAM,EACpB,aAAa,EAAE,MAAM,EACrB,UAAU,EAAE,MAAM,GACjB,MAAM,CA0BR;AAED;;;;;;;;;GASG;AACH,wBAAsB,gBAAgB,CAAC,EACrC,OAAO,EACP,IAAI,EACJ,mBAAmB,EACnB,YAAY,GACb,EAAE;IACD,OAAO,EAAE,GAAG,CAAC;IACb,IAAI,EAAE,GAAG,CAAC;IACV,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,YAAY,EAAE,6BAA6B,EAAE,CAAC;CAC/C,GAAG,OAAO,CAAC;IAAE,aAAa,EAAE,GAAG,CAAC;IAAC,SAAS,EAAE,GAAG,EAAE,CAAA;CAAE,CAAC,CA8CpD"}

dist/utils/gas.d.mts.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"gas.d.mts","sourceRoot":"","sources":["../../src/utils/gas.ts"],"names":[],"mappings":";AAMA,OAAO,KAAK,EAAE,eAAe,EAAE,qCAAqC;AACpE,OAAO,KAAK,EAAE,GAAG,EAAQ,wBAAwB;AAMjD,OAAO,KAAK,EAAE,8BAA8B,EAAE,qCAAoC;AAElF,OAAO,KAAK,EAEV,sBAAsB,EACtB,mBAAmB,EACnB,6BAA6B,EAC7B,4BAA4B,EAC5B,MAAM,EACN,6BAA6B,EAC7B,eAAe,EACf,iBAAiB,EAClB,qBAAoB;AAarB,MAAM,MAAM,gBAAgB,GAAG;IAC7B,eAAe,EAAE,OAAO,CAAC;IACzB,mBAAmB,EAAE,OAAO,CAAC;IAC7B,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,SAAS,EAAE,8BAA8B,CAAC;IAC1C,MAAM,EAAE,eAAe,CAAC;CACzB,CAAC;AAEF,MAAM,MAAM,sBAAsB,GAAG;IACnC,SAAS,EAAE,MAAM,EAAE,CAAC;IACpB,yBAAyB,CAAC,EAAE,IAAI,CAAC;IACjC,aAAa,EAAE,MAAM,CAAC;CACvB,CAAC;AAEF,eAAO,MAAM,GAAG,0BAA2C,CAAC;AAE5D,eAAO,MAAM,SAAS,WAAW,CAAC;AAClC,eAAO,MAAM,sBAAsB,MAAM,CAAC;AAC1C,eAAO,MAAM,qBAAqB,KAAK,CAAC;AACxC,eAAO,MAAM,aAAa,QAAQ,CAAC;AAEnC,eAAO,MAAM,6BAA6B,uEAC4B,CAAC;AAEvE;;;;GAIG;AACH,wBAAsB,SAAS,CAAC,OAAO,EAAE,gBAAgB,GAAG,OAAO,CAAC,IAAI,CAAC,CAqBxE;AAED;;;;;;;;;;;;GAYG;AACH,wBAAsB,WAAW,CAAC,EAChC,0BAA0B,EAC1B,mBAAmB,EACnB,mBAAmB,EACnB,SAAS,EACT,eAAe,EACf,QAAQ,GACT,EAAE;IACD,0BAA0B,CAAC,EAAE,OAAO,CAAC;IACrC,mBAAmB,EAAE,OAAO,CAAC;IAC7B,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,SAAS,EAAE,8BAA8B,CAAC;IAC1C,eAAe,EAAE,eAAe,CAAC;IACjC,QAAQ,EAAE,iBAAiB,CAAC;CAC7B,GAAG,OAAO,CAAC;IACV,aAAa,EAAE,MAAM,CAAC;IACtB,YAAY,EAAE,MAAM,CAAC;IACrB,SAAS,CAAC,EAAE,MAAM,CAAC;IACnB,iBAAiB,EAAE,OAAO,CAAC;IAC3B,eAAe,EAAE,eAAe,CAAC,iBAAiB,CAAC,CAAC;CACrD,CAAC,CAsGD;AAED;;;;;;;;;;;;;;;;;GAiBG;AACH,wBAAgB,yBAAyB,CACvC,YAAY,EAAE,sBAAsB,EAAE,GACrC;IAAE,SAAS,EAAE,MAAM,EAAE,CAAC;IAAC,aAAa,EAAE,MAAM,CAAA;CAAE,GAAG,SAAS,CAW5D;AAED,wBAAsB,gBAAgB,CAAC,EACrC,IAAI,EACJ,mBAAmB,EACnB,sBAAsB,EACtB,SAAS,EACT,eAAe,EACf,YAAY,GACb,EAAE;IACD,IAAI,EAAE,GAAG,CAAC;IACV,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,sBAAsB,EAAE,CACtB,OAAO,EAAE,6BAA6B,KACnC,OAAO,CAAC,4BAA4B,CAAC,CAAC;IAC3C,SAAS,EAAE,8BAA8B,CAAC;IAC1C,eAAe,EAAE,eAAe,CAAC;IACjC,YAAY,EAAE,sBAAsB,EAAE,CAAC;CACxC,GAAG,OAAO,CAAC,sBAAsB,CAAC,CAqGlC;AAED;;;;;;;;GAQG;AACH,wBAAgB,YAAY,CAC1B,YAAY,EAAE,MAAM,EACpB,aAAa,EAAE,MAAM,EACrB,UAAU,EAAE,MAAM,GACjB,MAAM,CA0BR;AAED;;;;;;;;;GASG;AACH,wBAAsB,gBAAgB,CAAC,EACrC,OAAO,EACP,IAAI,EACJ,mBAAmB,EACnB,YAAY,GACb,EAAE;IACD,OAAO,EAAE,GAAG,CAAC;IACb,IAAI,EAAE,GAAG,CAAC;IACV,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,YAAY,EAAE,6BAA6B,EAAE,CAAC;CAC/C,GAAG,OAAO,CAAC;IAAE,aAAa,EAAE,GAAG,CAAC;IAAC,SAAS,EAAE,GAAG,EAAE,CAAA;CAAE,CAAC,CA8CpD"}
+{"version":3,"file":"gas.d.mts","sourceRoot":"","sources":["../../src/utils/gas.ts"],"names":[],"mappings":";AAMA,OAAO,KAAK,EAAE,eAAe,EAAE,qCAAqC;AACpE,OAAO,KAAK,EAAE,GAAG,EAAQ,wBAAwB;AAWjD,OAAO,KAAK,EAAE,8BAA8B,EAAE,qCAAoC;AAElF,OAAO,KAAK,EAEV,sBAAsB,EACtB,mBAAmB,EACnB,6BAA6B,EAC7B,4BAA4B,EAC5B,MAAM,EACN,6BAA6B,EAC7B,eAAe,EACf,iBAAiB,EAClB,qBAAoB;AAarB,MAAM,MAAM,gBAAgB,GAAG;IAC7B,eAAe,EAAE,OAAO,CAAC;IACzB,mBAAmB,EAAE,OAAO,CAAC;IAC7B,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,SAAS,EAAE,8BAA8B,CAAC;IAC1C,MAAM,EAAE,eAAe,CAAC;CACzB,CAAC;AAEF,MAAM,MAAM,sBAAsB,GAAG;IACnC,SAAS,EAAE,MAAM,EAAE,CAAC;IACpB,yBAAyB,CAAC,EAAE,IAAI,CAAC;IACjC,aAAa,EAAE,MAAM,CAAC;CACvB,CAAC;AAEF,eAAO,MAAM,GAAG,0BAA2C,CAAC;AAE5D,eAAO,MAAM,SAAS,WAAW,CAAC;AAClC,eAAO,MAAM,sBAAsB,MAAM,CAAC;AAC1C,eAAO,MAAM,qBAAqB,KAAK,CAAC;AACxC,eAAO,MAAM,aAAa,QAAQ,CAAC;AAEnC,eAAO,MAAM,6BAA6B,uEAC4B,CAAC;AAEvE;;;;GAIG;AACH,wBAAsB,SAAS,CAAC,OAAO,EAAE,gBAAgB,GAAG,OAAO,CAAC,IAAI,CAAC,CAqBxE;AAED;;;;;;;;;;;;GAYG;AACH,wBAAsB,WAAW,CAAC,EAChC,0BAA0B,EAC1B,mBAAmB,EACnB,mBAAmB,EACnB,SAAS,EACT,eAAe,EACf,QAAQ,GACT,EAAE;IACD,0BAA0B,CAAC,EAAE,OAAO,CAAC;IACrC,mBAAmB,EAAE,OAAO,CAAC;IAC7B,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,SAAS,EAAE,8BAA8B,CAAC;IAC1C,eAAe,EAAE,eAAe,CAAC;IACjC,QAAQ,EAAE,iBAAiB,CAAC;CAC7B,GAAG,OAAO,CAAC;IACV,aAAa,EAAE,MAAM,CAAC;IACtB,YAAY,EAAE,MAAM,CAAC;IACrB,SAAS,CAAC,EAAE,MAAM,CAAC;IACnB,iBAAiB,EAAE,OAAO,CAAC;IAC3B,eAAe,EAAE,eAAe,CAAC,iBAAiB,CAAC,CAAC;CACrD,CAAC,CAsGD;AAED;;;;;;;;;;;;;;;;;GAiBG;AACH,wBAAgB,yBAAyB,CACvC,YAAY,EAAE,sBAAsB,EAAE,GACrC;IAAE,SAAS,EAAE,MAAM,EAAE,CAAC;IAAC,aAAa,EAAE,MAAM,CAAA;CAAE,GAAG,SAAS,CAW5D;AAED,wBAAsB,gBAAgB,CAAC,EACrC,IAAI,EACJ,mBAAmB,EACnB,sBAAsB,EACtB,SAAS,EACT,eAAe,EACf,YAAY,GACb,EAAE;IACD,IAAI,EAAE,GAAG,CAAC;IACV,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,sBAAsB,EAAE,CACtB,OAAO,EAAE,6BAA6B,KACnC,OAAO,CAAC,4BAA4B,CAAC,CAAC;IAC3C,SAAS,EAAE,8BAA8B,CAAC;IAC1C,eAAe,EAAE,eAAe,CAAC;IACjC,YAAY,EAAE,sBAAsB,EAAE,CAAC;CACxC,GAAG,OAAO,CAAC,sBAAsB,CAAC,CAqGlC;AAED;;;;;;;;GAQG;AACH,wBAAgB,YAAY,CAC1B,YAAY,EAAE,MAAM,EACpB,aAAa,EAAE,MAAM,EACrB,UAAU,EAAE,MAAM,GACjB,MAAM,CA0BR;AAED;;;;;;;;;GASG;AACH,wBAAsB,gBAAgB,CAAC,EACrC,OAAO,EACP,IAAI,EACJ,mBAAmB,EACnB,YAAY,GACb,EAAE;IACD,OAAO,EAAE,GAAG,CAAC;IACb,IAAI,EAAE,GAAG,CAAC;IACV,mBAAmB,EAAE,mBAAmB,CAAC;IACzC,YAAY,EAAE,6BAA6B,EAAE,CAAC;CAC/C,GAAG,OAAO,CAAC;IAAE,aAAa,EAAE,GAAG,CAAC;IAAC,SAAS,EAAE,GAAG,EAAE,CAAA;CAAE,CAAC,CA8CpD"}

dist/utils/gas.mjs

 import { BNToHex, fractionBN, hexToBN, toHex } from "@metamask/controller-utils";
-import { add0x, createModuleLogger, remove0x } from "@metamask/utils";
+import { add0x, createModuleLogger, isStrictHexString, remove0x } from "@metamask/utils";
 import { BigNumber } from "bignumber.js";
@@ -75,3 +75,3 @@ import { simulateTransactions } from "../api/simulation-api.mjs";
     request.data = data ? add0x(data) : data;
-    request.value = value ?? '0x0';
+    request.value = normalizeValue(value);
     request.authorizationList = normalizeAuthorizationList(request.authorizationList, chainId);
@@ -495,2 +495,18 @@ delete request.gasPrice;
 /**
+ * Normalize the value to a canonical hex quantity with no leading zero digits.
+ * Some RPC nodes (e.g. Go's `hexutil`) reject quantities such as `0x00` or
+ * `0x0de0b6b3a7640000`, failing gas estimation entirely.
+ *
+ * @param value - The transaction value to normalize.
+ * @returns The normalized transaction value.
+ */
+function normalizeValue(value) {
+    const valueOrDefault = value ?? '0x0';
+    if (!isStrictHexString(valueOrDefault)) {
+        return valueOrDefault;
+    }
+    const stripped = remove0x(valueOrDefault).replace(/^0+/u, '');
+    return stripped.length === 0 ? '0x0' : add0x(stripped);
+}
+/**
  * Estimate the gas for a transaction using the `eth_estimateGas` method.
@@ -497,0 +513,0 @@ *

dist/utils/gas.mjs.map

@@ -1,1 +0,1 @@
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{\n  BNToHex,\n  fractionBN,\n  hexToBN,\n  toHex,\n} from '@metamask/controller-utils';\nimport type { NetworkClientId } from '@metamask/network-controller';\nimport type { Hex, Json } from '@metamask/utils';\nimport { add0x, createModuleLogger, remove0x } from '@metamask/utils';\nimport { BigNumber } from 'bignumber.js';\n\nimport { simulateTransactions } from '../api/simulation-api.js';\nimport { projectLogger } from '../logger.js';\nimport type { TransactionControllerMessenger } from '../TransactionController.js';\nimport { TransactionEnvelopeType } from '../types.js';\nimport type {\n  AuthorizationList,\n  BatchTransactionParams,\n  GetSimulationConfig,\n  IsAtomicBatchSupportedRequest,\n  IsAtomicBatchSupportedResult,\n  Revert,\n  TransactionBatchSingleRequest,\n  TransactionMeta,\n  TransactionParams,\n} from '../types.js';\nimport {\n  DELEGATION_PREFIX,\n  doesAccountSupportEIP7702,\n  generateEIP7702BatchTransaction,\n} from './eip7702.js';\nimport {\n  getGasEstimateBuffer,\n  getGasEstimateFallback,\n} from './feature-flags.js';\nimport { getChainId, rpcRequest } from './provider.js';\nimport { decodeRevert } from './revert-reason.js';\n\nexport type UpdateGasRequest = {\n  isCustomNetwork: boolean;\n  isSimulationEnabled: boolean;\n  getSimulationConfig: GetSimulationConfig;\n  messenger: TransactionControllerMessenger;\n  txMeta: TransactionMeta;\n};\n\nexport type EstimateGasBatchResult = {\n  gasLimits: number[];\n  requiresAuthorizationList?: true;\n  totalGasLimit: number;\n};\n\nexport const log = createModuleLogger(projectLogger, 'gas');\n\nexport const FIXED_GAS = '0x5208';\nexport const DEFAULT_GAS_MULTIPLIER = 1.5;\nexport const MAX_GAS_BLOCK_PERCENT = 90;\nexport const INTRINSIC_GAS = 21000;\n\nexport const DUMMY_AUTHORIZATION_SIGNATURE =\n  '0x1111111111111111111111111111111111111111111111111111111111111111';\n\n/**\n * Populate the gas properties of the provided transaction meta.\n *\n * @param request - The request object including the necessary parameters.\n */\nexport async function updateGas(request: UpdateGasRequest): Promise<void> {\n  const { txMeta } = request;\n  const initialParams = { ...txMeta.txParams };\n\n  const [gas, simulationFails, gasLimitNoBuffer, gasRevert] =\n    await getGas(request);\n\n  txMeta.txParams.gas = gas;\n  txMeta.simulationFails = simulationFails;\n  txMeta.gasLimitNoBuffer = gasLimitNoBuffer;\n\n  if (gasRevert) {\n    txMeta.revert = { ...txMeta.revert, gas: gasRevert };\n  }\n\n  if (!initialParams.gas) {\n    txMeta.originalGasEstimate = txMeta.txParams.gas;\n  }\n\n  txMeta.defaultGasEstimates ??= {};\n  txMeta.defaultGasEstimates.gas = txMeta.txParams.gas;\n}\n\n/**\n * Estimate the gas for the provided transaction parameters.\n * If the gas estimate fails, the fallback value is returned.\n *\n * @param options - The options object.\n * @param options.ignoreDelegationSignatures - Ignore signature errors if submitting delegations to the DelegationManager.\n * @param options.isSimulationEnabled - Whether the simulation is enabled.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.messenger - The messenger instance for communication.\n * @param options.networkClientId - The network client ID.\n * @param options.txParams - The transaction parameters.\n * @returns The estimated gas and related info.\n */\nexport async function estimateGas({\n  ignoreDelegationSignatures,\n  isSimulationEnabled,\n  getSimulationConfig,\n  messenger,\n  networkClientId,\n  txParams,\n}: {\n  ignoreDelegationSignatures?: boolean;\n  isSimulationEnabled: boolean;\n  getSimulationConfig: GetSimulationConfig;\n  messenger: TransactionControllerMessenger;\n  networkClientId: NetworkClientId;\n  txParams: TransactionParams;\n}): Promise<{\n  blockGasLimit: string;\n  estimatedGas: string;\n  gasRevert?: Revert;\n  isUpgradeWithData: boolean;\n  simulationFails: TransactionMeta['simulationFails'];\n}> {\n  const request = { ...txParams };\n  const { authorizationList, data, value } = request;\n  const chainId = getChainId({ messenger, networkClientId });\n\n  if (ignoreDelegationSignatures && !isSimulationEnabled) {\n    throw new Error(\n      'Gas estimation with ignored delegation signatures is not supported as simulation disabled',\n    );\n  }\n\n  const { gasLimit: blockGasLimit, number: blockNumber } = await getLatestBlock(\n    messenger,\n    networkClientId,\n  );\n\n  const blockGasLimitBN = hexToBN(blockGasLimit);\n  const { percentage, fixed, maxGasLimit } = getGasEstimateFallback(\n    chainId,\n    messenger,\n  );\n\n  const uncappedFallback = fixed\n    ? toHex(fixed)\n    : BNToHex(fractionBN(blockGasLimitBN, percentage, 100));\n\n  // Clamp the fallback to the chain's per-transaction gas cap so it can never\n  // exceed the gas limit the RPC will accept. Without this, a percentage of a\n  // high block gas limit can overshoot the cap (e.g. 35% of Polygon's ~140M\n  // block limit is ~49M, but the node caps a tx at ~33.5M and rejects it with\n  // \"transaction gas limit too high\").\n  const fallback =\n    maxGasLimit !== undefined &&\n    hexToBN(uncappedFallback).gt(hexToBN(toHex(maxGasLimit)))\n      ? toHex(maxGasLimit)\n      : uncappedFallback;\n\n  log('Estimation fallback values', fallback);\n\n  request.data = data ? add0x(data) : data;\n  request.value = value ?? '0x0';\n\n  request.authorizationList = normalizeAuthorizationList(\n    request.authorizationList,\n    chainId,\n  );\n\n  delete request.gasPrice;\n  delete request.maxFeePerGas;\n  delete request.maxPriorityFeePerGas;\n\n  let estimatedGas = fallback;\n  let simulationFails: TransactionMeta['simulationFails'];\n  let gasRevert: Revert | undefined;\n\n  const isUpgradeWithData =\n    txParams.type === TransactionEnvelopeType.setCode &&\n    Boolean(authorizationList?.length) &&\n    Boolean(data) &&\n    data !== '0x';\n\n  try {\n    if (isSimulationEnabled && isUpgradeWithData) {\n      estimatedGas = await estimateGasUpgradeWithDataToSelf(\n        request,\n        messenger,\n        networkClientId,\n        chainId,\n        getSimulationConfig,\n      );\n    } else if (ignoreDelegationSignatures && isSimulationEnabled) {\n      estimatedGas = await simulateGas({\n        chainId,\n        getSimulationConfig,\n        transaction: request,\n      });\n    } else {\n      estimatedGas = await estimateGasNode(messenger, networkClientId, request);\n    }\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n  } catch (error: any) {\n    simulationFails = {\n      reason: error.message,\n      errorKey: error.errorKey,\n      debug: {\n        blockNumber,\n        blockGasLimit,\n      },\n    };\n\n    gasRevert = decodeRevert(error, 'gas');\n\n    log('Estimation failed', { ...simulationFails, fallback, gasRevert });\n  }\n\n  return {\n    blockGasLimit,\n    estimatedGas,\n    gasRevert,\n    isUpgradeWithData,\n    simulationFails,\n  };\n}\n\n/**\n * Sum caller-provided gas limits across a batch.\n *\n * If every transaction in the batch already has a `gas` value, returns the\n * parsed per-tx limits and their sum. Otherwise returns `undefined`.\n *\n * Used by `estimateGasBatch`:\n * - non-7702 path: short-circuits simulation entirely when present.\n * - EIP-7702 path: used as a fallback when simulation fails — required for\n *   callers that submit batches whose individual sub-calls cannot be simulated\n *   standalone (e.g. predict-withdraw, where the batch's first sub-call\n *   provides source-token balance to subsequent sub-calls). When 7702\n *   simulation succeeds it is preferred since the bundled call has no per-tx\n *   intrinsic gas cost and produces a tighter estimate.\n *\n * @param transactions - Batch transactions to inspect.\n * @returns Parsed gas limits and total when every transaction has gas; otherwise `undefined`.\n */\nexport function getProvidedBatchGasLimits(\n  transactions: BatchTransactionParams[],\n): { gasLimits: number[]; totalGasLimit: number } | undefined {\n  if (!transactions.every((transaction) => transaction.gas !== undefined)) {\n    return undefined;\n  }\n\n  const gasLimits = transactions.map((transaction) =>\n    new BigNumber(transaction.gas as Hex).toNumber(),\n  );\n  const totalGasLimit = gasLimits.reduce((acc, gasLimit) => acc + gasLimit, 0);\n\n  return { gasLimits, totalGasLimit };\n}\n\nexport async function estimateGasBatch({\n  from,\n  getSimulationConfig,\n  isAtomicBatchSupported,\n  messenger,\n  networkClientId,\n  transactions,\n}: {\n  from: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  isAtomicBatchSupported: (\n    request: IsAtomicBatchSupportedRequest,\n  ) => Promise<IsAtomicBatchSupportedResult>;\n  messenger: TransactionControllerMessenger;\n  networkClientId: NetworkClientId;\n  transactions: BatchTransactionParams[];\n}): Promise<EstimateGasBatchResult> {\n  const chainId = getChainId({ messenger, networkClientId });\n\n  const is7702Result = await isAtomicBatchSupported({\n    address: from,\n    chainIds: [chainId],\n  });\n\n  const accountSupports7702 = doesAccountSupportEIP7702(messenger, from);\n\n  const chainResult = accountSupports7702\n    ? is7702Result.find((result) => result.chainId === chainId)\n    : undefined;\n\n  const isUpgradeRequired = Boolean(chainResult && !chainResult.isSupported);\n\n  if (isUpgradeRequired && !chainResult?.upgradeContractAddress) {\n    throw new Error('Upgrade contract address not found');\n  }\n\n  if (chainResult) {\n    const providedBatchGasLimits = getProvidedBatchGasLimits(transactions);\n\n    const authorizationList = isUpgradeRequired\n      ? [{ address: chainResult.upgradeContractAddress as Hex }]\n      : undefined;\n\n    const type = isUpgradeRequired\n      ? TransactionEnvelopeType.setCode\n      : undefined;\n\n    const params: TransactionParams = {\n      ...generateEIP7702BatchTransaction(from, transactions),\n      authorizationList,\n      from,\n      type,\n    };\n\n    // Prefer real EIP-7702 simulation when it succeeds — the bundled call has\n    // no per-tx intrinsic gas cost so the estimate is typically lower than\n    // summing per-tx provided limits. Fall back to the provided sum when the\n    // node-level simulation fails (e.g. predict-withdraw, where the batch's\n    // first sub-call provides source-token balance to subsequent sub-calls).\n    const { estimatedGas: gasLimitHex, simulationFails } = await estimateGas({\n      isSimulationEnabled: true,\n      getSimulationConfig,\n      messenger,\n      networkClientId,\n      txParams: params,\n    });\n\n    if (simulationFails && providedBatchGasLimits) {\n      log(\n        'EIP-7702 estimation failed, using batch parameter gas limits',\n        providedBatchGasLimits,\n        simulationFails,\n      );\n      return {\n        gasLimits: [providedBatchGasLimits.totalGasLimit],\n        ...(isUpgradeRequired ? { requiresAuthorizationList: true } : {}),\n        totalGasLimit: providedBatchGasLimits.totalGasLimit,\n      };\n    }\n\n    const totalGasLimit = new BigNumber(gasLimitHex).toNumber();\n\n    log('Estimated EIP-7702 gas limit', totalGasLimit);\n\n    return {\n      gasLimits: [totalGasLimit],\n      ...(isUpgradeRequired ? { requiresAuthorizationList: true } : {}),\n      totalGasLimit,\n    };\n  }\n\n  const providedBatchGasLimits = getProvidedBatchGasLimits(transactions);\n  if (providedBatchGasLimits) {\n    log('Using batch parameter gas limits', providedBatchGasLimits);\n    return providedBatchGasLimits;\n  }\n\n  const { gasLimits: gasLimitsHex } = await simulateGasBatch({\n    chainId,\n    from,\n    getSimulationConfig,\n    transactions: transactions.map((transaction) => ({\n      params: transaction,\n    })),\n  });\n\n  const gasLimits = transactions.map((transaction, index) =>\n    transaction.gas\n      ? new BigNumber(transaction.gas).toNumber()\n      : new BigNumber(gasLimitsHex[index]).toNumber(),\n  );\n\n  const totalGasLimit = gasLimits.reduce((acc, gasLimit) => acc + gasLimit, 0);\n\n  log('Simulated batch gas limits', { totalGasLimit, gasLimits });\n\n  return { totalGasLimit, gasLimits };\n}\n\n/**\n * Add a buffer to the provided estimated gas.\n * The buffer is calculated based on the block gas limit and a multiplier.\n *\n * @param estimatedGas - The estimated gas.\n * @param blockGasLimit - The block gas limit.\n * @param multiplier - The multiplier to apply to the estimated gas.\n * @returns The gas with the buffer applied.\n */\nexport function addGasBuffer(\n  estimatedGas: string,\n  blockGasLimit: string,\n  multiplier: number,\n): string {\n  const estimatedGasBN = hexToBN(estimatedGas);\n\n  const maxGasBN = fractionBN(\n    hexToBN(blockGasLimit),\n    MAX_GAS_BLOCK_PERCENT,\n    100,\n  );\n\n  const paddedGasBN = fractionBN(estimatedGasBN, multiplier * 100, 100);\n\n  if (estimatedGasBN.gt(maxGasBN)) {\n    const estimatedGasHex = add0x(estimatedGas);\n    log('Using estimated value', estimatedGasHex);\n    return estimatedGasHex;\n  }\n\n  if (paddedGasBN.lt(maxGasBN)) {\n    const paddedHex = add0x(BNToHex(paddedGasBN));\n    log('Using padded estimate', paddedHex, multiplier);\n    return paddedHex;\n  }\n\n  const maxHex = add0x(BNToHex(maxGasBN));\n  log('Using 90% of block gas limit', maxHex);\n  return maxHex;\n}\n\n/**\n * Simulate the required gas for a batch of transactions using the simulation API.\n *\n * @param options - The options object.\n * @param options.chainId - The chain ID of the transactions.\n * @param options.from - The address of the sender.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.transactions - The array of transactions within a batch request.\n * @returns An object containing the transactions with their gas limits and the total gas limit.\n */\nexport async function simulateGasBatch({\n  chainId,\n  from,\n  getSimulationConfig,\n  transactions,\n}: {\n  chainId: Hex;\n  from: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  transactions: TransactionBatchSingleRequest[];\n}): Promise<{ totalGasLimit: Hex; gasLimits: Hex[] }> {\n  try {\n    const response = await simulateTransactions(chainId, {\n      getSimulationConfig,\n      transactions: transactions.map((transaction) => ({\n        ...transaction.params,\n        from,\n      })),\n    });\n\n    if (response?.transactions?.length !== transactions.length) {\n      throw new Error('Simulation response does not match transaction count');\n    }\n\n    return response.transactions.reduce<{\n      totalGasLimit: Hex;\n      gasLimits: Hex[];\n    }>(\n      (acc, transaction) => {\n        const gasLimit = transaction?.gasLimit;\n\n        if (!gasLimit) {\n          throw new Error(\n            'No simulated gas returned for one of the transactions',\n          );\n        }\n\n        acc.gasLimits.push(gasLimit);\n\n        acc.totalGasLimit = BNToHex(\n          hexToBN(acc.totalGasLimit).add(hexToBN(gasLimit)),\n        );\n\n        return acc;\n      },\n      {\n        totalGasLimit: '0x0',\n        gasLimits: [],\n      },\n    );\n  } catch (error: unknown) {\n    log('Error while simulating gas batch', error);\n    throw new Error(\n      'Cannot estimate transaction batch total gas as simulation failed',\n    );\n  }\n}\n\n/**\n * Determine the gas for the provided request.\n *\n * @param request - The request object including the necessary parameters.\n * @returns The final gas value and the estimate used.\n */\nasync function getGas(\n  request: UpdateGasRequest,\n): Promise<[string, TransactionMeta['simulationFails']?, string?, Revert?]> {\n  const {\n    isCustomNetwork,\n    isSimulationEnabled,\n    getSimulationConfig,\n    messenger,\n    txMeta,\n  } = request;\n  const { networkClientId } = txMeta;\n  const chainId = getChainId({ messenger, networkClientId });\n  const { disableGasBuffer } = txMeta;\n\n  if (txMeta.txParams.gas) {\n    log('Using value from request', txMeta.txParams.gas);\n    return [txMeta.txParams.gas, undefined, txMeta.txParams.gas];\n  }\n\n  if (await requiresFixedGas(request)) {\n    log('Using fixed value', FIXED_GAS);\n    return [FIXED_GAS, undefined, FIXED_GAS];\n  }\n\n  const {\n    blockGasLimit,\n    estimatedGas,\n    gasRevert,\n    isUpgradeWithData,\n    simulationFails,\n  } = await estimateGas({\n    isSimulationEnabled,\n    getSimulationConfig,\n    messenger,\n    networkClientId,\n    txParams: txMeta.txParams,\n  });\n\n  log('Original estimated gas', estimatedGas);\n\n  if (simulationFails) {\n    log('Using original fallback estimate as simulation failed');\n  }\n\n  if (disableGasBuffer) {\n    log('Gas buffer disabled');\n  }\n\n  if (simulationFails || disableGasBuffer) {\n    return [estimatedGas, simulationFails, estimatedGas, gasRevert];\n  }\n\n  const bufferMultiplier = getGasEstimateBuffer({\n    chainId,\n    isCustomRPC: isCustomNetwork,\n    isUpgradeWithData,\n    messenger,\n  });\n\n  log('Buffer', bufferMultiplier);\n\n  const bufferedGas = addGasBuffer(\n    estimatedGas,\n    blockGasLimit,\n    bufferMultiplier,\n  );\n\n  log('Buffered gas', bufferedGas);\n\n  return [bufferedGas, simulationFails, estimatedGas, gasRevert];\n}\n\n/**\n * Determine if the gas for the provided request should be fixed.\n *\n * @param options - The options object.\n * @param options.messenger - The messenger instance for communication.\n * @param options.txMeta - The transaction meta object.\n * @param options.isCustomNetwork - Whether the network is a custom network.\n * @returns Whether the gas should be fixed.\n */\nasync function requiresFixedGas({\n  messenger,\n  txMeta,\n  isCustomNetwork,\n}: UpdateGasRequest): Promise<boolean> {\n  const {\n    networkClientId,\n    txParams: { to, data, type },\n  } = txMeta;\n\n  if (\n    isCustomNetwork ||\n    !to ||\n    data ||\n    type === TransactionEnvelopeType.setCode\n  ) {\n    return false;\n  }\n\n  const code = await getCode(messenger, networkClientId, to);\n\n  return !code || code === '0x';\n}\n\n/**\n * Get the contract code for the provided address.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param address - The address to get the code for.\n * @returns The contract code.\n */\nasync function getCode(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  address: string,\n): Promise<string | undefined> {\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_getCode',\n    params: [address, 'latest'],\n  })) as string | undefined;\n}\n\n/**\n * Get the latest block from the network.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @returns The latest block number.\n */\nasync function getLatestBlock(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n): Promise<{ gasLimit: string; number: string }> {\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_getBlockByNumber',\n    params: ['latest', false],\n  })) as { gasLimit: string; number: string };\n}\n\n/**\n * Estimate the gas for a type 4 transaction.\n *\n * @param txParams - The transaction parameters.\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param chainId - The chain ID of the transaction.\n * @param getSimulationConfig - The function to get the simulation configuration.\n * @returns The estimated gas.\n */\nasync function estimateGasUpgradeWithDataToSelf(\n  txParams: TransactionParams,\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  chainId: Hex,\n  getSimulationConfig: GetSimulationConfig,\n): Promise<Hex> {\n  const upgradeGas = (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_estimateGas',\n    params: [\n      {\n        ...txParams,\n        to: txParams.from,\n        data: '0x',\n      },\n    ],\n  })) as Hex;\n\n  log('Upgrade only gas', upgradeGas);\n\n  const delegationAddress = txParams.authorizationList?.[0].address as Hex;\n\n  let executeGas: Hex | undefined;\n\n  try {\n    executeGas = await simulateGas({\n      chainId,\n      delegationAddress,\n      getSimulationConfig,\n      transaction: txParams,\n    });\n  } catch (error: unknown) {\n    log('Error while simulating data portion of upgrade', error);\n  }\n\n  if (executeGas === undefined) {\n    try {\n      executeGas = await estimateGasNode(\n        messenger,\n        networkClientId,\n        { ...txParams, authorizationList: undefined, type: undefined },\n        delegationAddress,\n      );\n    } catch (error: unknown) {\n      log('Error while estimating data portion of upgrade', error);\n      throw error;\n    }\n\n    log('Success estimating data portion of upgrade', executeGas);\n  }\n\n  log('Execute gas', executeGas);\n\n  const total = BNToHex(\n    hexToBN(upgradeGas).add(hexToBN(executeGas)).subn(INTRINSIC_GAS),\n  );\n\n  log('Total type 4 gas', total);\n\n  return total;\n}\n\n/**\n * Simulate the required gas using the simulation API.\n *\n * @param options - The options object.\n * @param options.chainId - The chain ID of the transaction.\n * @param options.delegationAddress - The delegation address of the sender to mock.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.transaction - The transaction parameters.\n * @returns The simulated gas.\n */\nasync function simulateGas({\n  chainId,\n  delegationAddress,\n  getSimulationConfig,\n  transaction,\n}: {\n  chainId: Hex;\n  delegationAddress?: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  transaction: TransactionParams;\n}): Promise<Hex> {\n  const response = await simulateTransactions(chainId, {\n    getSimulationConfig,\n    transactions: [\n      {\n        to: transaction.to as Hex,\n        from: transaction.from as Hex,\n        data: transaction.data as Hex,\n        value: transaction.value as Hex,\n      },\n    ],\n    overrides: {\n      [transaction.from]: {\n        code:\n          delegationAddress &&\n          ((DELEGATION_PREFIX + remove0x(delegationAddress)) as Hex),\n      },\n    },\n  });\n\n  const gasLimit = response?.transactions?.[0].gasLimit;\n\n  if (!gasLimit) {\n    throw new Error('No simulated gas returned');\n  }\n\n  return gasLimit;\n}\n\n/**\n * Populate the authorization list with dummy values.\n *\n * @param authorizationList - The authorization list to prepare.\n * @param chainId - The chain ID to use.\n * @returns The authorization list with dummy values.\n */\nfunction normalizeAuthorizationList(\n  authorizationList: AuthorizationList | undefined,\n  chainId: Hex,\n): AuthorizationList | undefined {\n  return authorizationList?.map((authorization) => ({\n    ...authorization,\n    chainId: authorization.chainId ?? chainId,\n    nonce: authorization.nonce ?? '0x1',\n    r: authorization.r ?? DUMMY_AUTHORIZATION_SIGNATURE,\n    s: authorization.s ?? DUMMY_AUTHORIZATION_SIGNATURE,\n    yParity: authorization.yParity ?? '0x1',\n  }));\n}\n\n/**\n * Estimate the gas for a transaction using the `eth_estimateGas` method.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param txParams - The transaction parameters.\n * @param delegationAddress - The delegation address of the sender to mock.\n * @returns The estimated gas as a hex string.\n */\nasync function estimateGasNode(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  txParams: TransactionParams,\n  delegationAddress?: Hex,\n): Promise<Hex> {\n  const { from } = txParams;\n  const params = [txParams] as Json[];\n\n  if (delegationAddress) {\n    params.push('latest');\n\n    params.push({\n      [from]: {\n        code: DELEGATION_PREFIX + remove0x(delegationAddress),\n      },\n    });\n  }\n\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_estimateGas',\n    params,\n  })) as Hex;\n}\n"]}
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{\n  BNToHex,\n  fractionBN,\n  hexToBN,\n  toHex,\n} from '@metamask/controller-utils';\nimport type { NetworkClientId } from '@metamask/network-controller';\nimport type { Hex, Json } from '@metamask/utils';\nimport {\n  add0x,\n  createModuleLogger,\n  isStrictHexString,\n  remove0x,\n} from '@metamask/utils';\nimport { BigNumber } from 'bignumber.js';\n\nimport { simulateTransactions } from '../api/simulation-api.js';\nimport { projectLogger } from '../logger.js';\nimport type { TransactionControllerMessenger } from '../TransactionController.js';\nimport { TransactionEnvelopeType } from '../types.js';\nimport type {\n  AuthorizationList,\n  BatchTransactionParams,\n  GetSimulationConfig,\n  IsAtomicBatchSupportedRequest,\n  IsAtomicBatchSupportedResult,\n  Revert,\n  TransactionBatchSingleRequest,\n  TransactionMeta,\n  TransactionParams,\n} from '../types.js';\nimport {\n  DELEGATION_PREFIX,\n  doesAccountSupportEIP7702,\n  generateEIP7702BatchTransaction,\n} from './eip7702.js';\nimport {\n  getGasEstimateBuffer,\n  getGasEstimateFallback,\n} from './feature-flags.js';\nimport { getChainId, rpcRequest } from './provider.js';\nimport { decodeRevert } from './revert-reason.js';\n\nexport type UpdateGasRequest = {\n  isCustomNetwork: boolean;\n  isSimulationEnabled: boolean;\n  getSimulationConfig: GetSimulationConfig;\n  messenger: TransactionControllerMessenger;\n  txMeta: TransactionMeta;\n};\n\nexport type EstimateGasBatchResult = {\n  gasLimits: number[];\n  requiresAuthorizationList?: true;\n  totalGasLimit: number;\n};\n\nexport const log = createModuleLogger(projectLogger, 'gas');\n\nexport const FIXED_GAS = '0x5208';\nexport const DEFAULT_GAS_MULTIPLIER = 1.5;\nexport const MAX_GAS_BLOCK_PERCENT = 90;\nexport const INTRINSIC_GAS = 21000;\n\nexport const DUMMY_AUTHORIZATION_SIGNATURE =\n  '0x1111111111111111111111111111111111111111111111111111111111111111';\n\n/**\n * Populate the gas properties of the provided transaction meta.\n *\n * @param request - The request object including the necessary parameters.\n */\nexport async function updateGas(request: UpdateGasRequest): Promise<void> {\n  const { txMeta } = request;\n  const initialParams = { ...txMeta.txParams };\n\n  const [gas, simulationFails, gasLimitNoBuffer, gasRevert] =\n    await getGas(request);\n\n  txMeta.txParams.gas = gas;\n  txMeta.simulationFails = simulationFails;\n  txMeta.gasLimitNoBuffer = gasLimitNoBuffer;\n\n  if (gasRevert) {\n    txMeta.revert = { ...txMeta.revert, gas: gasRevert };\n  }\n\n  if (!initialParams.gas) {\n    txMeta.originalGasEstimate = txMeta.txParams.gas;\n  }\n\n  txMeta.defaultGasEstimates ??= {};\n  txMeta.defaultGasEstimates.gas = txMeta.txParams.gas;\n}\n\n/**\n * Estimate the gas for the provided transaction parameters.\n * If the gas estimate fails, the fallback value is returned.\n *\n * @param options - The options object.\n * @param options.ignoreDelegationSignatures - Ignore signature errors if submitting delegations to the DelegationManager.\n * @param options.isSimulationEnabled - Whether the simulation is enabled.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.messenger - The messenger instance for communication.\n * @param options.networkClientId - The network client ID.\n * @param options.txParams - The transaction parameters.\n * @returns The estimated gas and related info.\n */\nexport async function estimateGas({\n  ignoreDelegationSignatures,\n  isSimulationEnabled,\n  getSimulationConfig,\n  messenger,\n  networkClientId,\n  txParams,\n}: {\n  ignoreDelegationSignatures?: boolean;\n  isSimulationEnabled: boolean;\n  getSimulationConfig: GetSimulationConfig;\n  messenger: TransactionControllerMessenger;\n  networkClientId: NetworkClientId;\n  txParams: TransactionParams;\n}): Promise<{\n  blockGasLimit: string;\n  estimatedGas: string;\n  gasRevert?: Revert;\n  isUpgradeWithData: boolean;\n  simulationFails: TransactionMeta['simulationFails'];\n}> {\n  const request = { ...txParams };\n  const { authorizationList, data, value } = request;\n  const chainId = getChainId({ messenger, networkClientId });\n\n  if (ignoreDelegationSignatures && !isSimulationEnabled) {\n    throw new Error(\n      'Gas estimation with ignored delegation signatures is not supported as simulation disabled',\n    );\n  }\n\n  const { gasLimit: blockGasLimit, number: blockNumber } = await getLatestBlock(\n    messenger,\n    networkClientId,\n  );\n\n  const blockGasLimitBN = hexToBN(blockGasLimit);\n  const { percentage, fixed, maxGasLimit } = getGasEstimateFallback(\n    chainId,\n    messenger,\n  );\n\n  const uncappedFallback = fixed\n    ? toHex(fixed)\n    : BNToHex(fractionBN(blockGasLimitBN, percentage, 100));\n\n  // Clamp the fallback to the chain's per-transaction gas cap so it can never\n  // exceed the gas limit the RPC will accept. Without this, a percentage of a\n  // high block gas limit can overshoot the cap (e.g. 35% of Polygon's ~140M\n  // block limit is ~49M, but the node caps a tx at ~33.5M and rejects it with\n  // \"transaction gas limit too high\").\n  const fallback =\n    maxGasLimit !== undefined &&\n    hexToBN(uncappedFallback).gt(hexToBN(toHex(maxGasLimit)))\n      ? toHex(maxGasLimit)\n      : uncappedFallback;\n\n  log('Estimation fallback values', fallback);\n\n  request.data = data ? add0x(data) : data;\n  request.value = normalizeValue(value);\n\n  request.authorizationList = normalizeAuthorizationList(\n    request.authorizationList,\n    chainId,\n  );\n\n  delete request.gasPrice;\n  delete request.maxFeePerGas;\n  delete request.maxPriorityFeePerGas;\n\n  let estimatedGas = fallback;\n  let simulationFails: TransactionMeta['simulationFails'];\n  let gasRevert: Revert | undefined;\n\n  const isUpgradeWithData =\n    txParams.type === TransactionEnvelopeType.setCode &&\n    Boolean(authorizationList?.length) &&\n    Boolean(data) &&\n    data !== '0x';\n\n  try {\n    if (isSimulationEnabled && isUpgradeWithData) {\n      estimatedGas = await estimateGasUpgradeWithDataToSelf(\n        request,\n        messenger,\n        networkClientId,\n        chainId,\n        getSimulationConfig,\n      );\n    } else if (ignoreDelegationSignatures && isSimulationEnabled) {\n      estimatedGas = await simulateGas({\n        chainId,\n        getSimulationConfig,\n        transaction: request,\n      });\n    } else {\n      estimatedGas = await estimateGasNode(messenger, networkClientId, request);\n    }\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n  } catch (error: any) {\n    simulationFails = {\n      reason: error.message,\n      errorKey: error.errorKey,\n      debug: {\n        blockNumber,\n        blockGasLimit,\n      },\n    };\n\n    gasRevert = decodeRevert(error, 'gas');\n\n    log('Estimation failed', { ...simulationFails, fallback, gasRevert });\n  }\n\n  return {\n    blockGasLimit,\n    estimatedGas,\n    gasRevert,\n    isUpgradeWithData,\n    simulationFails,\n  };\n}\n\n/**\n * Sum caller-provided gas limits across a batch.\n *\n * If every transaction in the batch already has a `gas` value, returns the\n * parsed per-tx limits and their sum. Otherwise returns `undefined`.\n *\n * Used by `estimateGasBatch`:\n * - non-7702 path: short-circuits simulation entirely when present.\n * - EIP-7702 path: used as a fallback when simulation fails — required for\n *   callers that submit batches whose individual sub-calls cannot be simulated\n *   standalone (e.g. predict-withdraw, where the batch's first sub-call\n *   provides source-token balance to subsequent sub-calls). When 7702\n *   simulation succeeds it is preferred since the bundled call has no per-tx\n *   intrinsic gas cost and produces a tighter estimate.\n *\n * @param transactions - Batch transactions to inspect.\n * @returns Parsed gas limits and total when every transaction has gas; otherwise `undefined`.\n */\nexport function getProvidedBatchGasLimits(\n  transactions: BatchTransactionParams[],\n): { gasLimits: number[]; totalGasLimit: number } | undefined {\n  if (!transactions.every((transaction) => transaction.gas !== undefined)) {\n    return undefined;\n  }\n\n  const gasLimits = transactions.map((transaction) =>\n    new BigNumber(transaction.gas as Hex).toNumber(),\n  );\n  const totalGasLimit = gasLimits.reduce((acc, gasLimit) => acc + gasLimit, 0);\n\n  return { gasLimits, totalGasLimit };\n}\n\nexport async function estimateGasBatch({\n  from,\n  getSimulationConfig,\n  isAtomicBatchSupported,\n  messenger,\n  networkClientId,\n  transactions,\n}: {\n  from: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  isAtomicBatchSupported: (\n    request: IsAtomicBatchSupportedRequest,\n  ) => Promise<IsAtomicBatchSupportedResult>;\n  messenger: TransactionControllerMessenger;\n  networkClientId: NetworkClientId;\n  transactions: BatchTransactionParams[];\n}): Promise<EstimateGasBatchResult> {\n  const chainId = getChainId({ messenger, networkClientId });\n\n  const is7702Result = await isAtomicBatchSupported({\n    address: from,\n    chainIds: [chainId],\n  });\n\n  const accountSupports7702 = doesAccountSupportEIP7702(messenger, from);\n\n  const chainResult = accountSupports7702\n    ? is7702Result.find((result) => result.chainId === chainId)\n    : undefined;\n\n  const isUpgradeRequired = Boolean(chainResult && !chainResult.isSupported);\n\n  if (isUpgradeRequired && !chainResult?.upgradeContractAddress) {\n    throw new Error('Upgrade contract address not found');\n  }\n\n  if (chainResult) {\n    const providedBatchGasLimits = getProvidedBatchGasLimits(transactions);\n\n    const authorizationList = isUpgradeRequired\n      ? [{ address: chainResult.upgradeContractAddress as Hex }]\n      : undefined;\n\n    const type = isUpgradeRequired\n      ? TransactionEnvelopeType.setCode\n      : undefined;\n\n    const params: TransactionParams = {\n      ...generateEIP7702BatchTransaction(from, transactions),\n      authorizationList,\n      from,\n      type,\n    };\n\n    // Prefer real EIP-7702 simulation when it succeeds — the bundled call has\n    // no per-tx intrinsic gas cost so the estimate is typically lower than\n    // summing per-tx provided limits. Fall back to the provided sum when the\n    // node-level simulation fails (e.g. predict-withdraw, where the batch's\n    // first sub-call provides source-token balance to subsequent sub-calls).\n    const { estimatedGas: gasLimitHex, simulationFails } = await estimateGas({\n      isSimulationEnabled: true,\n      getSimulationConfig,\n      messenger,\n      networkClientId,\n      txParams: params,\n    });\n\n    if (simulationFails && providedBatchGasLimits) {\n      log(\n        'EIP-7702 estimation failed, using batch parameter gas limits',\n        providedBatchGasLimits,\n        simulationFails,\n      );\n      return {\n        gasLimits: [providedBatchGasLimits.totalGasLimit],\n        ...(isUpgradeRequired ? { requiresAuthorizationList: true } : {}),\n        totalGasLimit: providedBatchGasLimits.totalGasLimit,\n      };\n    }\n\n    const totalGasLimit = new BigNumber(gasLimitHex).toNumber();\n\n    log('Estimated EIP-7702 gas limit', totalGasLimit);\n\n    return {\n      gasLimits: [totalGasLimit],\n      ...(isUpgradeRequired ? { requiresAuthorizationList: true } : {}),\n      totalGasLimit,\n    };\n  }\n\n  const providedBatchGasLimits = getProvidedBatchGasLimits(transactions);\n  if (providedBatchGasLimits) {\n    log('Using batch parameter gas limits', providedBatchGasLimits);\n    return providedBatchGasLimits;\n  }\n\n  const { gasLimits: gasLimitsHex } = await simulateGasBatch({\n    chainId,\n    from,\n    getSimulationConfig,\n    transactions: transactions.map((transaction) => ({\n      params: transaction,\n    })),\n  });\n\n  const gasLimits = transactions.map((transaction, index) =>\n    transaction.gas\n      ? new BigNumber(transaction.gas).toNumber()\n      : new BigNumber(gasLimitsHex[index]).toNumber(),\n  );\n\n  const totalGasLimit = gasLimits.reduce((acc, gasLimit) => acc + gasLimit, 0);\n\n  log('Simulated batch gas limits', { totalGasLimit, gasLimits });\n\n  return { totalGasLimit, gasLimits };\n}\n\n/**\n * Add a buffer to the provided estimated gas.\n * The buffer is calculated based on the block gas limit and a multiplier.\n *\n * @param estimatedGas - The estimated gas.\n * @param blockGasLimit - The block gas limit.\n * @param multiplier - The multiplier to apply to the estimated gas.\n * @returns The gas with the buffer applied.\n */\nexport function addGasBuffer(\n  estimatedGas: string,\n  blockGasLimit: string,\n  multiplier: number,\n): string {\n  const estimatedGasBN = hexToBN(estimatedGas);\n\n  const maxGasBN = fractionBN(\n    hexToBN(blockGasLimit),\n    MAX_GAS_BLOCK_PERCENT,\n    100,\n  );\n\n  const paddedGasBN = fractionBN(estimatedGasBN, multiplier * 100, 100);\n\n  if (estimatedGasBN.gt(maxGasBN)) {\n    const estimatedGasHex = add0x(estimatedGas);\n    log('Using estimated value', estimatedGasHex);\n    return estimatedGasHex;\n  }\n\n  if (paddedGasBN.lt(maxGasBN)) {\n    const paddedHex = add0x(BNToHex(paddedGasBN));\n    log('Using padded estimate', paddedHex, multiplier);\n    return paddedHex;\n  }\n\n  const maxHex = add0x(BNToHex(maxGasBN));\n  log('Using 90% of block gas limit', maxHex);\n  return maxHex;\n}\n\n/**\n * Simulate the required gas for a batch of transactions using the simulation API.\n *\n * @param options - The options object.\n * @param options.chainId - The chain ID of the transactions.\n * @param options.from - The address of the sender.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.transactions - The array of transactions within a batch request.\n * @returns An object containing the transactions with their gas limits and the total gas limit.\n */\nexport async function simulateGasBatch({\n  chainId,\n  from,\n  getSimulationConfig,\n  transactions,\n}: {\n  chainId: Hex;\n  from: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  transactions: TransactionBatchSingleRequest[];\n}): Promise<{ totalGasLimit: Hex; gasLimits: Hex[] }> {\n  try {\n    const response = await simulateTransactions(chainId, {\n      getSimulationConfig,\n      transactions: transactions.map((transaction) => ({\n        ...transaction.params,\n        from,\n      })),\n    });\n\n    if (response?.transactions?.length !== transactions.length) {\n      throw new Error('Simulation response does not match transaction count');\n    }\n\n    return response.transactions.reduce<{\n      totalGasLimit: Hex;\n      gasLimits: Hex[];\n    }>(\n      (acc, transaction) => {\n        const gasLimit = transaction?.gasLimit;\n\n        if (!gasLimit) {\n          throw new Error(\n            'No simulated gas returned for one of the transactions',\n          );\n        }\n\n        acc.gasLimits.push(gasLimit);\n\n        acc.totalGasLimit = BNToHex(\n          hexToBN(acc.totalGasLimit).add(hexToBN(gasLimit)),\n        );\n\n        return acc;\n      },\n      {\n        totalGasLimit: '0x0',\n        gasLimits: [],\n      },\n    );\n  } catch (error: unknown) {\n    log('Error while simulating gas batch', error);\n    throw new Error(\n      'Cannot estimate transaction batch total gas as simulation failed',\n    );\n  }\n}\n\n/**\n * Determine the gas for the provided request.\n *\n * @param request - The request object including the necessary parameters.\n * @returns The final gas value and the estimate used.\n */\nasync function getGas(\n  request: UpdateGasRequest,\n): Promise<[string, TransactionMeta['simulationFails']?, string?, Revert?]> {\n  const {\n    isCustomNetwork,\n    isSimulationEnabled,\n    getSimulationConfig,\n    messenger,\n    txMeta,\n  } = request;\n  const { networkClientId } = txMeta;\n  const chainId = getChainId({ messenger, networkClientId });\n  const { disableGasBuffer } = txMeta;\n\n  if (txMeta.txParams.gas) {\n    log('Using value from request', txMeta.txParams.gas);\n    return [txMeta.txParams.gas, undefined, txMeta.txParams.gas];\n  }\n\n  if (await requiresFixedGas(request)) {\n    log('Using fixed value', FIXED_GAS);\n    return [FIXED_GAS, undefined, FIXED_GAS];\n  }\n\n  const {\n    blockGasLimit,\n    estimatedGas,\n    gasRevert,\n    isUpgradeWithData,\n    simulationFails,\n  } = await estimateGas({\n    isSimulationEnabled,\n    getSimulationConfig,\n    messenger,\n    networkClientId,\n    txParams: txMeta.txParams,\n  });\n\n  log('Original estimated gas', estimatedGas);\n\n  if (simulationFails) {\n    log('Using original fallback estimate as simulation failed');\n  }\n\n  if (disableGasBuffer) {\n    log('Gas buffer disabled');\n  }\n\n  if (simulationFails || disableGasBuffer) {\n    return [estimatedGas, simulationFails, estimatedGas, gasRevert];\n  }\n\n  const bufferMultiplier = getGasEstimateBuffer({\n    chainId,\n    isCustomRPC: isCustomNetwork,\n    isUpgradeWithData,\n    messenger,\n  });\n\n  log('Buffer', bufferMultiplier);\n\n  const bufferedGas = addGasBuffer(\n    estimatedGas,\n    blockGasLimit,\n    bufferMultiplier,\n  );\n\n  log('Buffered gas', bufferedGas);\n\n  return [bufferedGas, simulationFails, estimatedGas, gasRevert];\n}\n\n/**\n * Determine if the gas for the provided request should be fixed.\n *\n * @param options - The options object.\n * @param options.messenger - The messenger instance for communication.\n * @param options.txMeta - The transaction meta object.\n * @param options.isCustomNetwork - Whether the network is a custom network.\n * @returns Whether the gas should be fixed.\n */\nasync function requiresFixedGas({\n  messenger,\n  txMeta,\n  isCustomNetwork,\n}: UpdateGasRequest): Promise<boolean> {\n  const {\n    networkClientId,\n    txParams: { to, data, type },\n  } = txMeta;\n\n  if (\n    isCustomNetwork ||\n    !to ||\n    data ||\n    type === TransactionEnvelopeType.setCode\n  ) {\n    return false;\n  }\n\n  const code = await getCode(messenger, networkClientId, to);\n\n  return !code || code === '0x';\n}\n\n/**\n * Get the contract code for the provided address.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param address - The address to get the code for.\n * @returns The contract code.\n */\nasync function getCode(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  address: string,\n): Promise<string | undefined> {\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_getCode',\n    params: [address, 'latest'],\n  })) as string | undefined;\n}\n\n/**\n * Get the latest block from the network.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @returns The latest block number.\n */\nasync function getLatestBlock(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n): Promise<{ gasLimit: string; number: string }> {\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_getBlockByNumber',\n    params: ['latest', false],\n  })) as { gasLimit: string; number: string };\n}\n\n/**\n * Estimate the gas for a type 4 transaction.\n *\n * @param txParams - The transaction parameters.\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param chainId - The chain ID of the transaction.\n * @param getSimulationConfig - The function to get the simulation configuration.\n * @returns The estimated gas.\n */\nasync function estimateGasUpgradeWithDataToSelf(\n  txParams: TransactionParams,\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  chainId: Hex,\n  getSimulationConfig: GetSimulationConfig,\n): Promise<Hex> {\n  const upgradeGas = (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_estimateGas',\n    params: [\n      {\n        ...txParams,\n        to: txParams.from,\n        data: '0x',\n      },\n    ],\n  })) as Hex;\n\n  log('Upgrade only gas', upgradeGas);\n\n  const delegationAddress = txParams.authorizationList?.[0].address as Hex;\n\n  let executeGas: Hex | undefined;\n\n  try {\n    executeGas = await simulateGas({\n      chainId,\n      delegationAddress,\n      getSimulationConfig,\n      transaction: txParams,\n    });\n  } catch (error: unknown) {\n    log('Error while simulating data portion of upgrade', error);\n  }\n\n  if (executeGas === undefined) {\n    try {\n      executeGas = await estimateGasNode(\n        messenger,\n        networkClientId,\n        { ...txParams, authorizationList: undefined, type: undefined },\n        delegationAddress,\n      );\n    } catch (error: unknown) {\n      log('Error while estimating data portion of upgrade', error);\n      throw error;\n    }\n\n    log('Success estimating data portion of upgrade', executeGas);\n  }\n\n  log('Execute gas', executeGas);\n\n  const total = BNToHex(\n    hexToBN(upgradeGas).add(hexToBN(executeGas)).subn(INTRINSIC_GAS),\n  );\n\n  log('Total type 4 gas', total);\n\n  return total;\n}\n\n/**\n * Simulate the required gas using the simulation API.\n *\n * @param options - The options object.\n * @param options.chainId - The chain ID of the transaction.\n * @param options.delegationAddress - The delegation address of the sender to mock.\n * @param options.getSimulationConfig - The function to get the simulation configuration.\n * @param options.transaction - The transaction parameters.\n * @returns The simulated gas.\n */\nasync function simulateGas({\n  chainId,\n  delegationAddress,\n  getSimulationConfig,\n  transaction,\n}: {\n  chainId: Hex;\n  delegationAddress?: Hex;\n  getSimulationConfig: GetSimulationConfig;\n  transaction: TransactionParams;\n}): Promise<Hex> {\n  const response = await simulateTransactions(chainId, {\n    getSimulationConfig,\n    transactions: [\n      {\n        to: transaction.to as Hex,\n        from: transaction.from as Hex,\n        data: transaction.data as Hex,\n        value: transaction.value as Hex,\n      },\n    ],\n    overrides: {\n      [transaction.from]: {\n        code:\n          delegationAddress &&\n          ((DELEGATION_PREFIX + remove0x(delegationAddress)) as Hex),\n      },\n    },\n  });\n\n  const gasLimit = response?.transactions?.[0].gasLimit;\n\n  if (!gasLimit) {\n    throw new Error('No simulated gas returned');\n  }\n\n  return gasLimit;\n}\n\n/**\n * Populate the authorization list with dummy values.\n *\n * @param authorizationList - The authorization list to prepare.\n * @param chainId - The chain ID to use.\n * @returns The authorization list with dummy values.\n */\nfunction normalizeAuthorizationList(\n  authorizationList: AuthorizationList | undefined,\n  chainId: Hex,\n): AuthorizationList | undefined {\n  return authorizationList?.map((authorization) => ({\n    ...authorization,\n    chainId: authorization.chainId ?? chainId,\n    nonce: authorization.nonce ?? '0x1',\n    r: authorization.r ?? DUMMY_AUTHORIZATION_SIGNATURE,\n    s: authorization.s ?? DUMMY_AUTHORIZATION_SIGNATURE,\n    yParity: authorization.yParity ?? '0x1',\n  }));\n}\n\n/**\n * Normalize the value to a canonical hex quantity with no leading zero digits.\n * Some RPC nodes (e.g. Go's `hexutil`) reject quantities such as `0x00` or\n * `0x0de0b6b3a7640000`, failing gas estimation entirely.\n *\n * @param value - The transaction value to normalize.\n * @returns The normalized transaction value.\n */\nfunction normalizeValue(value: string | undefined): string {\n  const valueOrDefault = value ?? '0x0';\n\n  if (!isStrictHexString(valueOrDefault)) {\n    return valueOrDefault;\n  }\n\n  const stripped = remove0x(valueOrDefault).replace(/^0+/u, '');\n\n  return stripped.length === 0 ? '0x0' : add0x(stripped);\n}\n\n/**\n * Estimate the gas for a transaction using the `eth_estimateGas` method.\n *\n * @param messenger - The messenger instance for communication.\n * @param networkClientId - The network client ID.\n * @param txParams - The transaction parameters.\n * @param delegationAddress - The delegation address of the sender to mock.\n * @returns The estimated gas as a hex string.\n */\nasync function estimateGasNode(\n  messenger: TransactionControllerMessenger,\n  networkClientId: NetworkClientId,\n  txParams: TransactionParams,\n  delegationAddress?: Hex,\n): Promise<Hex> {\n  const { from } = txParams;\n  const params = [txParams] as Json[];\n\n  if (delegationAddress) {\n    params.push('latest');\n\n    params.push({\n      [from]: {\n        code: DELEGATION_PREFIX + remove0x(delegationAddress),\n      },\n    });\n  }\n\n  return (await rpcRequest({\n    messenger,\n    networkClientId,\n    method: 'eth_estimateGas',\n    params,\n  })) as Hex;\n}\n"]}

package.json

 {
   "name": "@metamask/transaction-controller",
-  "version": "69.5.0",
+  "version": "69.5.1",
   "description": "Stores transactions alongside their periodically updated statuses and manages interactions such as approval and cancellation",
@@ -65,3 +65,3 @@ "keywords": [
     "@ethersproject/wallet": "^5.7.0",
-    "@metamask/accounts-controller": "^39.0.6",
+    "@metamask/accounts-controller": "^39.0.7",
     "@metamask/approval-controller": "^9.0.2",
@@ -68,0 +68,0 @@ "@metamask/base-controller": "^9.1.0",

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AI has identified unusual behaviors that may pose a security risk.

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Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Fixed alerts

AI-detected potential code anomaly

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AI has identified unusual behaviors that may pose a security risk.

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Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

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• Updated

  @metamask/accounts-controller@^39.0.7