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feat: added mainnet monad to default getDefaultNetworkEnablementControllerState in network-enablement-controller #8743

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feat: added mainnet monad to default getDefaultNetworkEnablementControllerState in network-enablement-controller #8743

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3b0d712
feat: added mainnet monad to default getDefaultNetworkEnablementContr…
Matt561 May 7, 2026
f126310
chore: updated changelog
Matt561 May 7, 2026
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1 change: 1 addition & 0 deletions packages/network-enablement-controller/CHANGELOG.md
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Expand Up @@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

### Changed

- Add Monad mainnet (`0x8f`, chain ID 143) to the default enabled network map ([#8743](https://github.com/MetaMask/core/pull/8743))
- Bump `@metamask/transaction-controller` from `^65.0.0` to `^65.2.0` ([#8691](https://github.com/MetaMask/core/pull/8691), [#8722](https://github.com/MetaMask/core/pull/8722))

## [5.1.0]
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18 changes: 18 additions & 0 deletions packages/network-enablement-controller/src/NetworkEnablementController.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -195,6 +195,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: true,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: true,
[ChainId[BuiltInNetworkName.SeiMainnet]]: true,
[ChainId[BuiltInNetworkName.MonadMainnet]]: true,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: true,
Expand Down Expand Up @@ -250,6 +251,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: true,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: true,
[ChainId[BuiltInNetworkName.SeiMainnet]]: true,
[ChainId[BuiltInNetworkName.MonadMainnet]]: true,
'0xa86a': true, // Avalanche network added and enabled (keeps current selection)
},
[KnownCaipNamespace.Solana]: {
Expand Down Expand Up @@ -314,6 +316,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: true,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: true,
[ChainId[BuiltInNetworkName.SeiMainnet]]: true,
[ChainId[BuiltInNetworkName.MonadMainnet]]: true,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: true,
Expand Down Expand Up @@ -418,6 +421,7 @@ describe('NetworkEnablementController', () => {
controller.disableNetwork('0xa'); // Optimism Mainnet
controller.disableNetwork('0x89'); // Polygon Mainnet
controller.disableNetwork('0x531'); // Sei Mainnet
controller.disableNetwork('0x8f'); // Monad Mainnet

// Publish an update with linea network removed
rootMessenger.publish('NetworkController:networkRemoved', {
Expand Down Expand Up @@ -455,6 +459,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: false,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: false,
[ChainId[BuiltInNetworkName.SeiMainnet]]: false,
[ChainId[BuiltInNetworkName.MonadMainnet]]: false,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: true,
Expand Down Expand Up @@ -555,6 +560,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: true,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: true,
[ChainId[BuiltInNetworkName.SeiMainnet]]: true,
[ChainId[BuiltInNetworkName.MonadMainnet]]: true,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: true, // Solana Mainnet (exists in multichain config)
Expand Down Expand Up @@ -1197,6 +1203,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: true,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: true,
[ChainId[BuiltInNetworkName.SeiMainnet]]: true,
[ChainId[BuiltInNetworkName.MonadMainnet]]: true,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: true,
Expand Down Expand Up @@ -1231,6 +1238,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: false, // Not in mocked config
[ChainId[BuiltInNetworkName.PolygonMainnet]]: false, // Not in mocked config
[ChainId[BuiltInNetworkName.SeiMainnet]]: false, // Not in mocked config
[ChainId[BuiltInNetworkName.MonadMainnet]]: false, // Not in mocked config
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: true, // Solana
Expand Down Expand Up @@ -1494,6 +1502,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: true,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: true,
[ChainId[BuiltInNetworkName.SeiMainnet]]: true,
[ChainId[BuiltInNetworkName.MonadMainnet]]: true,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: true,
Expand Down Expand Up @@ -1528,6 +1537,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: false,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: false,
[ChainId[BuiltInNetworkName.SeiMainnet]]: false,
[ChainId[BuiltInNetworkName.MonadMainnet]]: false,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: false, // Now disabled (cross-namespace behavior)
Expand Down Expand Up @@ -1582,6 +1592,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: false,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: false,
[ChainId[BuiltInNetworkName.SeiMainnet]]: false,
[ChainId[BuiltInNetworkName.MonadMainnet]]: false,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: false, // Disabled due to cross-namespace behavior
Expand Down Expand Up @@ -1620,6 +1631,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: false,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: false,
[ChainId[BuiltInNetworkName.SeiMainnet]]: false,
[ChainId[BuiltInNetworkName.MonadMainnet]]: false,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: false, // Now disabled (cross-namespace behavior)
Expand Down Expand Up @@ -1658,6 +1670,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: false,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: false,
[ChainId[BuiltInNetworkName.SeiMainnet]]: false,
[ChainId[BuiltInNetworkName.MonadMainnet]]: false,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: false, // Now disabled (cross-namespace behavior)
Expand Down Expand Up @@ -1707,6 +1720,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: false,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: false,
[ChainId[BuiltInNetworkName.SeiMainnet]]: false,
[ChainId[BuiltInNetworkName.MonadMainnet]]: false,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: false, // Disabled due to cross-namespace behavior
Expand Down Expand Up @@ -1753,6 +1767,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: false,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: false,
[ChainId[BuiltInNetworkName.SeiMainnet]]: false,
[ChainId[BuiltInNetworkName.MonadMainnet]]: false,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: false,
Expand Down Expand Up @@ -1802,6 +1817,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: false,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: false,
[ChainId[BuiltInNetworkName.SeiMainnet]]: false,
[ChainId[BuiltInNetworkName.MonadMainnet]]: false,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: false, // Disabled due to cross-namespace behavior
Expand Down Expand Up @@ -1848,6 +1864,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: true,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: true,
[ChainId[BuiltInNetworkName.SeiMainnet]]: true,
[ChainId[BuiltInNetworkName.MonadMainnet]]: true,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: true,
Expand Down Expand Up @@ -1896,6 +1913,7 @@ describe('NetworkEnablementController', () => {
[ChainId[BuiltInNetworkName.OptimismMainnet]]: true,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: true,
[ChainId[BuiltInNetworkName.SeiMainnet]]: true,
[ChainId[BuiltInNetworkName.MonadMainnet]]: true,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: true,
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1 change: 1 addition & 0 deletions packages/network-enablement-controller/src/NetworkEnablementController.ts
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Expand Up @@ -167,6 +167,7 @@ const getDefaultNetworkEnablementControllerState =
[ChainId[BuiltInNetworkName.OptimismMainnet]]: true,
[ChainId[BuiltInNetworkName.PolygonMainnet]]: true,
[ChainId[BuiltInNetworkName.SeiMainnet]]: true,
[ChainId[BuiltInNetworkName.MonadMainnet]]: true,
},
[KnownCaipNamespace.Solana]: {
[SolScope.Mainnet]: true,
Expand Down
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