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15 lines
451 B
JavaScript
15 lines
451 B
JavaScript
import { u8aToU8a } from '@pezkuwi/util';
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const SEC_LEN = 64;
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const PUB_LEN = 32;
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const TOT_LEN = SEC_LEN + PUB_LEN;
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export function sr25519PairFromU8a(full) {
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const fullU8a = u8aToU8a(full);
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if (fullU8a.length !== TOT_LEN) {
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throw new Error(`Expected keypair with ${TOT_LEN} bytes, found ${fullU8a.length}`);
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}
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return {
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publicKey: fullU8a.slice(SEC_LEN, TOT_LEN),
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secretKey: fullU8a.slice(0, SEC_LEN)
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};
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}
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