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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@bitgo-forks/avalanchejs/src/serializable/fxs/secp256k1

Просмотр файла: outputOwners.ts

import { concatBytes } from '@noble/hashes/utils';
import { addressesFromBytes } from '../../../utils/addressesFromBytes';
import { packList, toListStruct } from '../../../utils/serializeList';
import { pack, unpack } from '../../../utils/struct';
import { serializable } from '../../common/types';
import { BigIntPr, Int } from '../../primitives';
import { Address } from '../common/address';
import { TypeSymbols } from '../../constants';

/**
 * @see https://github.com/ava-labs/avalanchego/blob/master/vms/secp256k1fx/output_owners.go
 * @see https://docs.avax.network/specs/platform-transaction-serialization/#secp256k1-output-owners-output
 */
@serializable()
export class OutputOwners {
  _type = TypeSymbols.OutputOwners;

  constructor(
    public readonly locktime: BigIntPr,
    public readonly threshold: Int,
    public readonly addrs: Address[],
  ) {}

  static fromNative(address: Uint8Array[], locktime = 0n, threshold = 1) {
    return new OutputOwners(
      new BigIntPr(locktime),
      new Int(threshold),
      addressesFromBytes(address),
    );
  }

  static fromBytes(bytes: Uint8Array, codec): [OutputOwners, Uint8Array] {
    const [locktime, threshold, addresses, remaining] = unpack(
      bytes,
      [BigIntPr, Int, toListStruct(Address)],
      codec,
    );
    return [new OutputOwners(locktime, threshold, addresses), remaining];
  }

  toBytes(codec) {
    return concatBytes(
      pack([this.locktime, this.threshold], codec),
      packList(this.addrs, codec),
    );
  }

  equals(other: OutputOwners) {
    return (
      this.locktime.value() === other.locktime.value() &&
      this.threshold.value() === other.threshold.value() &&
      this.addrs.length === other.addrs.length &&
      this.addrs.every((thisAddr, idx) => {
        const thisString = thisAddr.value();
        const otherString = other.addrs[idx].value();
        return thisString === otherString;
      })
    );
  }
}

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