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Текущая директория: /opt/BitGoJS/node_modules/algosdk/dist/esm/src
Просмотр файла: bid.js
import * as address from './encoding/address';
import * as encoding from './encoding/encoding';
import * as nacl from './nacl/naclWrappers';
import * as utils from './utils/utils';
/**
* Bid enables construction of Algorand Auctions Bids
* */
export default class Bid {
constructor({ bidderKey, bidAmount, bidID, auctionKey, auctionID, maxPrice, }) {
this.name = 'Bid';
this.tag = Buffer.from([97, 66]); // "aB"
const decodedBidderKey = address.decodeAddress(bidderKey);
const decodedAuctionKey = address.decodeAddress(auctionKey);
if (!Number.isSafeInteger(bidAmount) || bidAmount < 0)
throw Error('Bid amount must be positive and 2^53-1');
if (!Number.isSafeInteger(bidID) || bidID < 0)
throw Error('BidID must be positive and 2^53-1');
if (!Number.isSafeInteger(auctionID) || auctionID < 0)
throw Error('auctionID must be positive');
Object.assign(this, {
bidderKey: decodedBidderKey,
bidAmount,
bidID,
auctionKey: decodedAuctionKey,
auctionID,
maxPrice,
});
}
// eslint-disable-next-line camelcase
get_obj_for_encoding() {
return {
bidder: Buffer.from(this.bidderKey.publicKey),
cur: this.bidAmount,
price: this.maxPrice,
id: this.bidID,
auc: Buffer.from(this.auctionKey.publicKey),
aid: this.auctionID,
};
}
signBid(sk) {
const encodedMsg = encoding.encode(this.get_obj_for_encoding());
const toBeSigned = Buffer.from(utils.concatArrays(this.tag, encodedMsg));
const sig = nacl.sign(toBeSigned, sk);
// construct signed message
const sBid = {
sig: Buffer.from(sig),
bid: this.get_obj_for_encoding(),
};
const note = {
t: 'b',
b: sBid,
};
return new Uint8Array(encoding.encode(note));
}
}
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