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import { AuthorKeypair, AuthorShortname } from "../util/doc-types.ts";import { isErr, ValidationError } from "../util/errors.ts";import { base32BytesToString, base32StringToBytes } from "./base32.ts";import { KeypairBytes } from "./crypto-types.ts";import {  assembleAuthorAddress,  parseAuthorAddress,} from "../core-validators/addresses.ts";
//================================================================================
/** Combine a shortname with a raw KeypairBytes to make an AuthorKeypair */export function encodeAuthorKeypairToStrings(  shortname: AuthorShortname,  pair: KeypairBytes,): AuthorKeypair {  return ({    address: assembleAuthorAddress(shortname, base32BytesToString(pair.pubkey)),    secret: base32BytesToString(pair.secret),  });}
/** Convert an AuthorKeypair back into a raw KeypairBytes for use in crypto operations. */export function decodeAuthorKeypairToBytes(  pair: AuthorKeypair,): KeypairBytes | ValidationError {  try {    let authorParsed = parseAuthorAddress(pair.address);    if (isErr(authorParsed)) return authorParsed;    let bytes = {      pubkey: base32StringToBytes(authorParsed.pubkey),      secret: base32StringToBytes(pair.secret),    };    /* istanbul ignore next */    if (bytes.pubkey.length !== 32) {      // this is already checked by parseAuthorAddress so we can't test it here      // but we'll test it again just to make sure.      return new ValidationError(        `pubkey bytes should be 32 bytes long, not ${bytes.pubkey.length} after base32 decoding.  ${pair.address}`,      );    }    if (bytes.secret.length !== 32) {      return new ValidationError(        `secret bytes should be 32 bytes long, not ${bytes.secret.length} after base32 decoding.  ${pair.secret}`,      );    }    return bytes;  } catch (err: any) {    return new ValidationError(      "crash while decoding author keypair: " + err.message,    );  }}