Version v12.5.1 RC

.metamaskrc.dist

@@ -45,3 +45,7 @@ BLOCKAID_PUBLIC_KEY=
 ; Enable/disable why did you render debug tool: https://github.com/welldone-software/why-did-you-render
 ; This should NEVER be enabled in production since it slows down react
 ; ENABLE_WHY_DID_YOU_RENDER=false
+
+; API key used in Etherscan requests to prevent rate limiting.
+; Only applies to Mainnet and Sepolia.
+; ETHERSCAN_API_KEY=

.yarnrc.yml

@@ -123,7 +123,8 @@ npmAuditIgnoreAdvisories:
   # Currently in use for the network list drag and drop functionality.
   # Maintenance has stopped and the project will be archived in 2025.
   - 'react-beautiful-dnd (deprecation)'
-
+  # New package name format for new versions: @ethereumjs/wallet.
+  - 'ethereumjs-wallet (deprecation)'
 npmRegistries:
   'https://npm.pkg.github.com':
     npmAlwaysAuth: true

CHANGELOG.md

@@ -6,6 +6,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [12.5.1]
+### Changed
+- Improve accuracy of transaction simulation warnings in some scenarios ([#26845](https://github.com/MetaMask/metamask-extension/pull/26845))
+
+### Fixed
+- Fix bug that could cause token balances to appear as zero, and a balance error to be displayed, on the send screen ([#28136](https://github.com/MetaMask/metamask-extension/pull/28136))
+
 ## [12.5.0]
 ### Added
 - New UI and functionality for adding and managing networks ([#26433](https://github.com/MetaMask/metamask-extension/pull/26433)), ([#27085](https://github.com/MetaMask/metamask-extension/pull/27085))
@@ -5223,7 +5230,8 @@ Update styles and spacing on the critical error page  ([#20350](https://github.c
 - Added the ability to restore accounts from seed words.
 
 
-[Unreleased]: https://github.com/MetaMask/metamask-extension/compare/v12.5.0...HEAD
+[Unreleased]: https://github.com/MetaMask/metamask-extension/compare/v12.5.1...HEAD
+[12.5.1]: https://github.com/MetaMask/metamask-extension/compare/v12.5.0...v12.5.1
 [12.5.0]: https://github.com/MetaMask/metamask-extension/compare/v12.4.2...v12.5.0
 [12.4.2]: https://github.com/MetaMask/metamask-extension/compare/v12.4.1...v12.4.2
 [12.4.1]: https://github.com/MetaMask/metamask-extension/compare/v12.4.0...v12.4.1

app/scripts/lib/transaction/smart-transactions.ts

@@ -313,7 +313,9 @@ class SmartTransactionHook {
       signedTransactions,
       signedCanceledTransactions: [],
       txParams: this.#txParams,
-      transactionMeta: this.#transactionMeta,
+      // TODO: Replace `any` with type - version mismatch between smart-transactions-controller and transaction-controller breaking type safety
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      transactionMeta: this.#transactionMeta as any,
     });
   }
 

app/scripts/metamask-controller.js

@@ -1849,6 +1849,10 @@ export default class MetamaskController extends EventEmitter {
           getCurrentChainId({ metamask: this.networkController.state })
         ],
       incomingTransactions: {
+        etherscanApiKeysByChainId: {
+          [CHAIN_IDS.MAINNET]: process.env.ETHERSCAN_API_KEY,
+          [CHAIN_IDS.SEPOLIA]: process.env.ETHERSCAN_API_KEY,
+        },
         includeTokenTransfers: false,
         isEnabled: () =>
           Boolean(

builds.yml

@@ -272,8 +272,10 @@ env:
   - SECURITY_ALERTS_API_ENABLED: ''
   # URL of security alerts API used to validate dApp requests
   - SECURITY_ALERTS_API_URL: 'http://localhost:3000'
+  # API key to authenticate Etherscan requests to avoid rate limiting
+  - ETHERSCAN_API_KEY: ''
 
-    # Enables the notifications feature within the build:
+  # Enables the notifications feature within the build:
   - NOTIFICATIONS: ''
 
   - METAMASK_RAMP_API_CONTENT_BASE_URL: https://on-ramp-content.api.cx.metamask.io
@@ -290,6 +292,7 @@ env:
   ###
 
   - EIP_4337_ENTRYPOINT: null
+
   ###
   # Enable/disable why did you render debug tool: https://github.com/welldone-software/why-did-you-render
   # This should NEVER be enabled in production since it slows down react

lavamoat/browserify/beta/policy.json

@@ -783,15 +783,30 @@
       },
       "packages": {
         "@ethereumjs/tx>@ethereumjs/util": true,
+        "@metamask/controller-utils>@metamask/utils": true,
         "@metamask/controller-utils>@spruceid/siwe-parser": true,
         "@metamask/ethjs>@metamask/ethjs-unit": true,
-        "@metamask/utils": true,
         "bn.js": true,
         "browserify>buffer": true,
         "eslint>fast-deep-equal": true,
         "eth-ens-namehash": true
       }
     },
+    "@metamask/controller-utils>@metamask/utils": {
+      "globals": {
+        "TextDecoder": true,
+        "TextEncoder": true
+      },
+      "packages": {
+        "@metamask/utils>@metamask/superstruct": true,
+        "@metamask/utils>@scure/base": true,
+        "@metamask/utils>pony-cause": true,
+        "@noble/hashes": true,
+        "browserify>buffer": true,
+        "nock>debug": true,
+        "semver": true
+      }
+    },
     "@metamask/controller-utils>@spruceid/siwe-parser": {
       "globals": {
         "console.error": true,
@@ -2726,9 +2741,9 @@
         "@metamask/metamask-eth-abis": true,
         "@metamask/name-controller>async-mutex": true,
         "@metamask/network-controller": true,
-        "@metamask/rpc-errors": true,
         "@metamask/transaction-controller>@metamask/nonce-tracker": true,
-        "@metamask/utils": true,
+        "@metamask/transaction-controller>@metamask/rpc-errors": true,
+        "@metamask/transaction-controller>@metamask/utils": true,
         "bn.js": true,
         "browserify>buffer": true,
         "eth-method-registry": true,
@@ -2754,6 +2769,27 @@
         "@swc/helpers>tslib": true
       }
     },
+    "@metamask/transaction-controller>@metamask/rpc-errors": {
+      "packages": {
+        "@metamask/transaction-controller>@metamask/utils": true,
+        "eth-rpc-errors>fast-safe-stringify": true
+      }
+    },
+    "@metamask/transaction-controller>@metamask/utils": {
+      "globals": {
+        "TextDecoder": true,
+        "TextEncoder": true
+      },
+      "packages": {
+        "@metamask/utils>@metamask/superstruct": true,
+        "@metamask/utils>@scure/base": true,
+        "@metamask/utils>pony-cause": true,
+        "@noble/hashes": true,
+        "browserify>buffer": true,
+        "nock>debug": true,
+        "semver": true
+      }
+    },
     "@metamask/user-operation-controller": {
       "globals": {
         "fetch": true
@@ -3879,10 +3915,10 @@
         "eth-lattice-keyring>gridplus-sdk>elliptic": true,
         "eth-lattice-keyring>gridplus-sdk>eth-eip712-util-browser": true,
         "eth-lattice-keyring>gridplus-sdk>rlp": true,
-        "eth-lattice-keyring>gridplus-sdk>secp256k1": true,
         "eth-lattice-keyring>gridplus-sdk>uuid": true,
         "ethereumjs-util>ethereum-cryptography>bs58check": true,
         "ethers>@ethersproject/sha2>hash.js": true,
+        "ganache>secp256k1": true,
         "lodash": true
       }
     },
@@ -3995,22 +4031,6 @@
         "TextEncoder": true
       }
     },
-    "eth-lattice-keyring>gridplus-sdk>secp256k1": {
-      "packages": {
-        "eth-lattice-keyring>gridplus-sdk>secp256k1>elliptic": true
-      }
-    },
-    "eth-lattice-keyring>gridplus-sdk>secp256k1>elliptic": {
-      "packages": {
-        "@metamask/ppom-validator>elliptic>brorand": true,
-        "@metamask/ppom-validator>elliptic>hmac-drbg": true,
-        "@metamask/ppom-validator>elliptic>minimalistic-assert": true,
-        "@metamask/ppom-validator>elliptic>minimalistic-crypto-utils": true,
-        "bn.js": true,
-        "ethers>@ethersproject/sha2>hash.js": true,
-        "pumpify>inherits": true
-      }
-    },
     "eth-lattice-keyring>gridplus-sdk>uuid": {
       "globals": {
         "crypto": true

lavamoat/browserify/flask/policy.json

@@ -783,15 +783,30 @@
       },
       "packages": {
         "@ethereumjs/tx>@ethereumjs/util": true,
+        "@metamask/controller-utils>@metamask/utils": true,
         "@metamask/controller-utils>@spruceid/siwe-parser": true,
         "@metamask/ethjs>@metamask/ethjs-unit": true,
-        "@metamask/utils": true,
         "bn.js": true,
         "browserify>buffer": true,
         "eslint>fast-deep-equal": true,
         "eth-ens-namehash": true
       }
     },
+    "@metamask/controller-utils>@metamask/utils": {
+      "globals": {
+        "TextDecoder": true,
+        "TextEncoder": true
+      },
+      "packages": {
+        "@metamask/utils>@metamask/superstruct": true,
+        "@metamask/utils>@scure/base": true,
+        "@metamask/utils>pony-cause": true,
+        "@noble/hashes": true,
+        "browserify>buffer": true,
+        "nock>debug": true,
+        "semver": true
+      }
+    },
     "@metamask/controller-utils>@spruceid/siwe-parser": {
       "globals": {
         "console.error": true,
@@ -2726,9 +2741,9 @@
         "@metamask/metamask-eth-abis": true,
         "@metamask/name-controller>async-mutex": true,
         "@metamask/network-controller": true,
-        "@metamask/rpc-errors": true,
         "@metamask/transaction-controller>@metamask/nonce-tracker": true,
-        "@metamask/utils": true,
+        "@metamask/transaction-controller>@metamask/rpc-errors": true,
+        "@metamask/transaction-controller>@metamask/utils": true,
         "bn.js": true,
         "browserify>buffer": true,
         "eth-method-registry": true,
@@ -2754,6 +2769,27 @@
         "@swc/helpers>tslib": true
       }
     },
+    "@metamask/transaction-controller>@metamask/rpc-errors": {
+      "packages": {
+        "@metamask/transaction-controller>@metamask/utils": true,
+        "eth-rpc-errors>fast-safe-stringify": true
+      }
+    },
+    "@metamask/transaction-controller>@metamask/utils": {
+      "globals": {
+        "TextDecoder": true,
+        "TextEncoder": true
+      },
+      "packages": {
+        "@metamask/utils>@metamask/superstruct": true,
+        "@metamask/utils>@scure/base": true,
+        "@metamask/utils>pony-cause": true,
+        "@noble/hashes": true,
+        "browserify>buffer": true,
+        "nock>debug": true,
+        "semver": true
+      }
+    },
     "@metamask/user-operation-controller": {
       "globals": {
         "fetch": true
@@ -3879,10 +3915,10 @@
         "eth-lattice-keyring>gridplus-sdk>elliptic": true,
         "eth-lattice-keyring>gridplus-sdk>eth-eip712-util-browser": true,
         "eth-lattice-keyring>gridplus-sdk>rlp": true,
-        "eth-lattice-keyring>gridplus-sdk>secp256k1": true,
         "eth-lattice-keyring>gridplus-sdk>uuid": true,
         "ethereumjs-util>ethereum-cryptography>bs58check": true,
         "ethers>@ethersproject/sha2>hash.js": true,
+        "ganache>secp256k1": true,
         "lodash": true
       }
     },
@@ -3995,22 +4031,6 @@
         "TextEncoder": true
       }
     },
-    "eth-lattice-keyring>gridplus-sdk>secp256k1": {
-      "packages": {
-        "eth-lattice-keyring>gridplus-sdk>secp256k1>elliptic": true
-      }
-    },
-    "eth-lattice-keyring>gridplus-sdk>secp256k1>elliptic": {
-      "packages": {
-        "@metamask/ppom-validator>elliptic>brorand": true,
-        "@metamask/ppom-validator>elliptic>hmac-drbg": true,
-        "@metamask/ppom-validator>elliptic>minimalistic-assert": true,
-        "@metamask/ppom-validator>elliptic>minimalistic-crypto-utils": true,
-        "bn.js": true,
-        "ethers>@ethersproject/sha2>hash.js": true,
-        "pumpify>inherits": true
-      }
-    },
     "eth-lattice-keyring>gridplus-sdk>uuid": {
       "globals": {
         "crypto": true