SPDX (#2619)

packages/api-derive/src/staking/account.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { Balance, StakingLedger, UnlockChunk } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/currentPoints.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { AccountId, EraPoints, EraRewardPoints, RewardPoint } from '@polkadot/types/interfaces';
 import { ApiInterfaceRx } from '@polkadot/api/types';

packages/api-derive/src/staking/electedInfo.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { DeriveStakingElected } from '../types';

packages/api-derive/src/staking/erasExposure.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { EraIndex, Exposure } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/erasHistoric.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { ActiveEraInfo, EraIndex } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/erasPoints.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { EraIndex, EraRewardPoints } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/erasPrefs.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { EraIndex, ValidatorPrefs } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/erasRewards.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { Balance, EraIndex } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/erasSlashes.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { BalanceOf, EraIndex, Perbill } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/index.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 export * from './account';
 export * from './currentPoints';

packages/api-derive/src/staking/keys.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { AccountId, Keys } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/overview.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { DeriveStakingOverview } from '../types';

packages/api-derive/src/staking/ownExposure.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { EraIndex, Exposure } from '@polkadot/types/interfaces';
 import { ApiInterfaceRx } from '@polkadot/api/types';

packages/api-derive/src/staking/ownSlashes.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { BalanceOf, EraIndex, Perbill } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/query.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { AccountId, EraIndex, Exposure, Nominations, RewardDestination, StakingLedger, ValidatorPrefs } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/stakerExposure.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { EraIndex } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/stakerPoints.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { EraIndex } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/stakerPrefs.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { EraIndex, ValidatorPrefs } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/stakerRewards.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { AccountId, EraIndex, StakingLedger, StakingLedgerTo240 } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/stakerSlashes.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { EraIndex } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/stashes.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { AccountId, ValidatorPrefs } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/types.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import type BN from 'bn.js';
 import { AccountId, Balance, EraIndex, Exposure, RewardDestination, RewardPoint, StakingLedger, ValidatorPrefs } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/validators.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { AccountId } from '@polkadot/types/interfaces';

packages/api-derive/src/staking/waitingInfo.ts

@@ -1,6 +1,5 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
+// SPDX-License-Identifier: Apache-2.0
 
 import { ApiInterfaceRx } from '@polkadot/api/types';
 import { DeriveStakingWaiting } from '../types';