Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | 1x 1x 1x 1x 1x 1x 1x 2x 1x 1x 1x 1x 1x 1x 2x 2x 2x 1x 4x 4x 1x 1x 2x 1x 1x 1x 1x 1x 2x 2x 1x | import { BufferReader, BufferWriter } from '@node-dlc/bufio';
import { BitcoinNetwork } from 'bitcoin-networks';
import { address } from 'bitcoinjs-lib';
import { MessageType } from '../MessageType';
export class AddressCache {
public static type = MessageType.AddressCache;
public static fromAddressCache(
addressesBlacklist: IAddressCache[],
network: BitcoinNetwork,
): AddressCache {
const instance = new AddressCache();
for (const blacklistAddress of Object.keys(addressesBlacklist)) {
instance.cacheSPKs.push(
address.toOutputScript(blacklistAddress, network),
);
}
return instance;
}
public static deserialize(buf: Buffer): AddressCache {
const instance = new AddressCache();
const reader = new BufferReader(buf);
reader.readUInt16BE(); // read type
reader.readBigSize(); // num_cache_spks
while (!reader.eof) {
const cacheSPKLen = reader.readBigSize();
const cacheSPK = reader.readBytes(Number(cacheSPKLen));
instance.cacheSPKs.push(cacheSPK);
}
return instance;
}
public type = AddressCache.type;
public cacheSPKs: Buffer[] = [];
public toAddressCache(network: BitcoinNetwork): IAddressCache[] {
const addressCache: IAddressCache[] = [];
for (const cacheSPK of this.cacheSPKs) {
addressCache[address.fromOutputScript(cacheSPK, network)] = true;
}
return addressCache;
}
public serialize(): Buffer {
const writer = new BufferWriter();
writer.writeUInt16BE(this.type);
writer.writeBigSize(this.cacheSPKs.length);
for (const cacheSPK of this.cacheSPKs) {
writer.writeBigSize(cacheSPK.length);
writer.writeBytes(cacheSPK);
}
return writer.toBuffer();
}
}
export interface IAddressCache {
[x: string]: boolean;
}
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