20 lines
733 B
TypeScript
20 lines
733 B
TypeScript
// Copyright 2017-2020 @polkadot/react-signer authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import { Signer, SignerResult } from '@polkadot/api/types';
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import { SignerPayloadJSON } from '@polkadot/types/types';
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import { getLedger, registry } from '@polkadot/react-api';
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let id = 0;
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export default class LedgerSigner implements Signer {
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public async signPayload (payload: SignerPayloadJSON): Promise<SignerResult> {
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const raw = registry.createType('ExtrinsicPayload', payload, { version: payload.version });
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const { signature } = await getLedger().sign(raw.toU8a(true));
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return { id: ++id, signature };
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}
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}
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