morphit/node_modules/@beblurt/dblurt/lib/chain/serializer.js

"use strict";
/**
 * @file Blurt protocol serialization.
 * @author Johan Nordberg <code@johan-nordberg.com>
 * @license
 * Copyright (c) 2017 Johan Nordberg. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *  1. Redistribution of source code must retain the above copyright notice, this
 *     list of conditions and the following disclaimer.
 *
 *  2. Redistribution in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *  3. Neither the name of the copyright holder nor the names of its contributors
 *     may be used to endorse or promote products derived from this software without
 *     specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * You acknowledge that this software is not designed, licensed or intended for use
 * in the design, construction, operation or maintenance of any military facility.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.Types = void 0;
const crypto_1 = require("../crypto");
const asset_1 = require("./asset");
const misc_1 = require("./misc");
// The package's Node entry point still calls deprecated `Buffer()`; this build has the same API.
const RuntimeByteBuffer = require('bytebuffer/dist/bytebuffer');
const PublicKeySerializer = (buffer, data) => {
    if (data === null || (typeof data === 'string' && data.endsWith('1111111111111111111111111111111114T1Anm'))) {
        buffer.append(Buffer.alloc(33, 0));
    }
    else {
        buffer.append(crypto_1.PublicKey.from(data).key);
    }
};
/** Basic */
// eslint-disable-next-line @typescript-eslint/no-unused-vars
const VoidSerializer = (buffer) => {
    throw new Error('Void can not be serialized');
};
const StringSerializer = (buffer, data) => {
    buffer.writeVString(data);
};
const DateSerializer = (buffer, data) => {
    buffer.writeUint32(Math.floor(new Date(data + 'Z').getTime() / 1000));
};
const BooleanSerializer = (buffer, data) => {
    buffer.writeByte(data ? 1 : 0);
};
// eslint-disable-next-line max-len
const FlatMapSerializer = (keySerializer, valueSerializer) => (buffer, data) => {
    buffer.writeVarint32(data.length);
    for (const [key, value] of data) {
        keySerializer(buffer, key);
        valueSerializer(buffer, value);
    }
};
const ArraySerializer = (itemSerializer) => (buffer, data) => {
    buffer.writeVarint32(data.length);
    for (const item of data) {
        itemSerializer(buffer, item);
    }
};
const StaticVariantSerializer = (itemSerializers) => (buffer, data) => {
    const [id, item] = data;
    buffer.writeVarint32(id);
    itemSerializers[id](buffer, item);
};
/** Serialize asset exactly in protocol smallest units. */
const AssetSerializer = (buffer, data) => {
    const asset = asset_1.Asset.from(data).symbols();
    const precision = asset.getPrecision();
    buffer.writeInt64(RuntimeByteBuffer.Long.fromString(asset.toSmallestUnitString()));
    buffer.writeUint8(precision);
    for (let i = 0; i < 7; i++) {
        buffer.writeUint8(asset.symbol.charCodeAt(i) || 0);
    }
};
const BinarySerializer = (size) => (buffer, data) => {
    data = misc_1.HexBuffer.from(data);
    const len = data.buffer.length;
    if (size) {
        if (len !== size) {
            throw new Error(`Unable to serialize binary. Expected ${size} bytes, got ${len}`);
        }
    }
    else {
        buffer.writeVarint32(len);
    }
    buffer.append(data.buffer);
};
const VariableBinarySerializer = BinarySerializer();
/** Int */
const Int8Serializer = (buffer, data) => {
    buffer.writeInt8(data);
};
const Int16Serializer = (buffer, data) => {
    buffer.writeInt16(data);
};
const Int32Serializer = (buffer, data) => {
    buffer.writeInt32(data);
};
const Int64Serializer = (buffer, data) => {
    buffer.writeInt64(data);
};
/** Uint */
const UInt8Serializer = (buffer, data) => {
    buffer.writeUint8(data);
};
const UInt16Serializer = (buffer, data) => {
    buffer.writeUint16(data);
};
const UInt32Serializer = (buffer, data) => {
    buffer.writeUint32(data);
};
const UInt64Serializer = (buffer, data) => {
    buffer.writeUint64(data);
};
/** Serializer */
const OperationDataSerializer = (operationId, definitions) => {
    const objectSerializer = ObjectSerializer(definitions);
    return (buffer, data) => {
        buffer.writeVarint32(operationId);
        objectSerializer(buffer, data);
    };
};
// eslint-disable-next-line max-len
const ObjectSerializer = (keySerializers) => (buffer, data) => {
    for (const [key, serializer] of keySerializers) {
        try {
            serializer(buffer, data[key]);
        }
        catch (error) {
            error.message = `${key}: ${error.message}`;
            throw error;
        }
    }
};
const EncryptedMemoSerializer = ObjectSerializer([
    ['from', PublicKeySerializer],
    ['to', PublicKeySerializer],
    ['nonce', UInt64Serializer],
    ['check', UInt32Serializer],
    ['encrypted', BinarySerializer()]
]);
const OptionalSerializer = (valueSerializer) => (buffer, data) => {
    if (data) {
        buffer.writeByte(1);
        valueSerializer(buffer, data);
    }
    else {
        buffer.writeByte(0);
    }
};
const AuthoritySerializer = ObjectSerializer([
    ['weight_threshold', UInt32Serializer],
    ['account_auths', FlatMapSerializer(StringSerializer, UInt16Serializer)],
    ['key_auths', FlatMapSerializer(PublicKeySerializer, UInt16Serializer)]
]);
const BeneficiarySerializer = ObjectSerializer([
    ['account', StringSerializer],
    ['weight', UInt16Serializer]
]);
const WitnessUpdatePropertiesSerializer = ObjectSerializer([
    ['account_creation_fee', AssetSerializer],
    // ['account_subsidy_budget', UInt32Serializer],
    // ['account_subsidy_decay', UInt32Serializer],
    // ['bandwidth_kbytes_fee', AssetSerializer],
    ['maximum_block_size', UInt32Serializer]
    // ['operation_flat_fee', AssetSerializer],
    // ['proposal_fee', AssetSerializer],
]);
/**
 * START | Operation Serializers
 */
const OperationSerializers = {};
OperationSerializers.account_create = OperationDataSerializer(5, [
    ['fee', AssetSerializer],
    ['creator', StringSerializer],
    ['new_account_name', StringSerializer],
    ['owner', AuthoritySerializer],
    ['active', AuthoritySerializer],
    ['posting', AuthoritySerializer],
    ['memo_key', PublicKeySerializer],
    ['json_metadata', StringSerializer]
]);
/** update for blurt's account_update */
OperationSerializers.account_update = OperationDataSerializer(6, [
    ['account', StringSerializer],
    ['owner', OptionalSerializer(AuthoritySerializer)],
    ['active', OptionalSerializer(AuthoritySerializer)],
    ['posting', OptionalSerializer(AuthoritySerializer)],
    ['memo_key', OptionalSerializer(PublicKeySerializer)],
    ['json_metadata', StringSerializer],
    ['posting_json_metadata', StringSerializer],
    ['extensions', ArraySerializer(StringSerializer)]
]);
OperationSerializers.account_witness_vote = OperationDataSerializer(8, [
    ['account', StringSerializer],
    ['witness', StringSerializer],
    ['approve', BooleanSerializer]
]);
OperationSerializers.account_witness_proxy = OperationDataSerializer(9, [
    ['account', StringSerializer],
    ['proxy', StringSerializer]
]);
OperationSerializers.change_recovery_account = OperationDataSerializer(19, [
    ['account_to_recover', StringSerializer],
    ['new_recovery_account', StringSerializer],
    ['extensions', ArraySerializer(StringSerializer)]
]);
OperationSerializers.claim_account = OperationDataSerializer(15, [
    ['creator', StringSerializer],
    ['fee', AssetSerializer],
    ['extensions', ArraySerializer(VoidSerializer)]
]);
OperationSerializers.create_claimed_account = OperationDataSerializer(16, [
    ['creator', StringSerializer],
    ['new_account_name', StringSerializer],
    ['owner', AuthoritySerializer],
    ['active', AuthoritySerializer],
    ['posting', AuthoritySerializer],
    ['memo_key', PublicKeySerializer],
    ['json_metadata', StringSerializer],
    ['extensions', ArraySerializer(VoidSerializer)]
]);
OperationSerializers.claim_reward_balance = OperationDataSerializer(31, [
    ['account', StringSerializer],
    ['reward_blurt', AssetSerializer],
    ['reward_vests', AssetSerializer]
]);
OperationSerializers.cancel_transfer_from_savings = OperationDataSerializer(26, [
    ['from', StringSerializer],
    ['request_id', UInt32Serializer]
]);
OperationSerializers.comment = OperationDataSerializer(1, [
    ['parent_author', StringSerializer],
    ['parent_permlink', StringSerializer],
    ['author', StringSerializer],
    ['permlink', StringSerializer],
    ['title', StringSerializer],
    ['body', StringSerializer],
    ['json_metadata', StringSerializer]
]);
OperationSerializers.comment_options = OperationDataSerializer(13, [
    ['author', StringSerializer],
    ['permlink', StringSerializer],
    ['max_accepted_payout', AssetSerializer],
    ['allow_votes', BooleanSerializer],
    ['allow_curation_rewards', BooleanSerializer],
    [
        'extensions',
        ArraySerializer(StaticVariantSerializer([
            ObjectSerializer([
                ['beneficiaries', ArraySerializer(BeneficiarySerializer)]
            ]),
            ObjectSerializer([
                ['percent_blurt', UInt16Serializer]
            ])
        ]))
    ]
]);
OperationSerializers.custom_json = OperationDataSerializer(12, [
    ['required_auths', ArraySerializer(StringSerializer)],
    ['required_posting_auths', ArraySerializer(StringSerializer)],
    ['id', StringSerializer],
    ['json', StringSerializer]
]);
OperationSerializers.delete_comment = OperationDataSerializer(11, [
    ['author', StringSerializer],
    ['permlink', StringSerializer]
]);
OperationSerializers.delegate_vesting_shares = OperationDataSerializer(32, [
    ['delegator', StringSerializer],
    ['delegatee', StringSerializer],
    ['vesting_shares', AssetSerializer]
]);
OperationSerializers.escrow_transfer = OperationDataSerializer(20, [
    ['from', StringSerializer],
    ['to', StringSerializer],
    ['blurt_amount', AssetSerializer],
    ['escrow_id', UInt32Serializer],
    ['agent', StringSerializer],
    ['fee', AssetSerializer],
    ['json_meta', StringSerializer],
    ['ratification_deadline', DateSerializer],
    ['escrow_expiration', DateSerializer]
]);
OperationSerializers.escrow_approve = OperationDataSerializer(23, [
    ['from', StringSerializer],
    ['to', StringSerializer],
    ['agent', StringSerializer],
    ['who', StringSerializer],
    ['escrow_id', UInt32Serializer],
    ['approve', BooleanSerializer]
]);
OperationSerializers.escrow_dispute = OperationDataSerializer(21, [
    ['from', StringSerializer],
    ['to', StringSerializer],
    ['agent', StringSerializer],
    ['who', StringSerializer],
    ['escrow_id', UInt32Serializer]
]);
OperationSerializers.escrow_release = OperationDataSerializer(22, [
    ['from', StringSerializer],
    ['to', StringSerializer],
    ['agent', StringSerializer],
    ['who', StringSerializer],
    ['receiver', StringSerializer],
    ['escrow_id', UInt32Serializer],
    ['blurt_amount', AssetSerializer]
]);
OperationSerializers.transfer = OperationDataSerializer(2, [
    ['from', StringSerializer],
    ['to', StringSerializer],
    ['amount', AssetSerializer],
    ['memo', StringSerializer]
]);
OperationSerializers.transfer_to_vesting = OperationDataSerializer(3, [
    ['from', StringSerializer],
    ['to', StringSerializer],
    ['amount', AssetSerializer]
]);
OperationSerializers.withdraw_vesting = OperationDataSerializer(4, [
    ['account', StringSerializer],
    ['vesting_shares', AssetSerializer]
]);
OperationSerializers.set_withdraw_vesting_route = OperationDataSerializer(14, [
    ['from_account', StringSerializer],
    ['to_account', StringSerializer],
    ['percent', UInt16Serializer],
    ['auto_vest', BooleanSerializer]
]);
OperationSerializers.transfer_to_savings = OperationDataSerializer(24, [
    ['from', StringSerializer],
    ['to', StringSerializer],
    ['amount', AssetSerializer],
    ['memo', StringSerializer]
]);
OperationSerializers.transfer_from_savings = OperationDataSerializer(25, [
    ['from', StringSerializer],
    ['request_id', UInt32Serializer],
    ['to', StringSerializer],
    ['amount', AssetSerializer],
    ['memo', StringSerializer]
]);
OperationSerializers.vote = OperationDataSerializer(0, [
    ['voter', StringSerializer],
    ['author', StringSerializer],
    ['permlink', StringSerializer],
    ['weight', Int16Serializer]
]);
OperationSerializers.witness_update = OperationDataSerializer(7, [
    ['owner', StringSerializer],
    ['url', StringSerializer],
    ['block_signing_key', PublicKeySerializer],
    ['props', WitnessUpdatePropertiesSerializer],
    ['fee', AssetSerializer]
]);
OperationSerializers.witness_set_properties = OperationDataSerializer(33, [
    ['owner', StringSerializer],
    ['props', FlatMapSerializer(StringSerializer, VariableBinarySerializer)],
    ['extensions', ArraySerializer(VoidSerializer)]
]);
OperationSerializers.create_proposal = OperationDataSerializer(34, [
    ['creator', StringSerializer],
    ['receiver', StringSerializer],
    ['start_date', DateSerializer],
    ['end_date', DateSerializer],
    ['daily_pay', AssetSerializer],
    ['subject', StringSerializer],
    ['permlink', StringSerializer],
    ['extensions', ArraySerializer(VoidSerializer)]
]);
OperationSerializers.update_proposal_votes = OperationDataSerializer(35, [
    ['voter', StringSerializer],
    ['proposal_ids', ArraySerializer(Int64Serializer)],
    ['approve', BooleanSerializer],
    ['extensions', ArraySerializer(VoidSerializer)]
]);
OperationSerializers.remove_proposal = OperationDataSerializer(36, [
    ['proposal_owner', StringSerializer],
    ['proposal_ids', ArraySerializer(Int64Serializer)],
    ['extensions', ArraySerializer(VoidSerializer)]
]);
OperationSerializers.request_account_recovery = OperationDataSerializer(17, [
    ['recovery_account', StringSerializer],
    ['account_to_recover', StringSerializer],
    ['new_owner_authority', AuthoritySerializer],
    ['extensions', ArraySerializer(VoidSerializer)]
]);
OperationSerializers.recover_account = OperationDataSerializer(18, [
    ['account_to_recover', StringSerializer],
    ['new_owner_authority', AuthoritySerializer],
    ['recent_owner_authority', AuthoritySerializer],
    ['extensions', ArraySerializer(VoidSerializer)]
]);
/**
 * END | Operation Serializers
 */
const OperationSerializer = (buffer, operation) => {
    const serializer = OperationSerializers[operation[0]];
    if (!serializer) {
        throw new Error(`No serializer for operation: ${operation[0]}`);
    }
    try {
        serializer(buffer, operation[1]);
    }
    catch (error) {
        error.message = `${operation[0]}: ${error.message}`;
        throw error;
    }
};
const TransactionSerializer = ObjectSerializer([
    ['ref_block_num', UInt16Serializer],
    ['ref_block_prefix', UInt32Serializer],
    ['expiration', DateSerializer],
    ['operations', ArraySerializer(OperationSerializer)],
    ['extensions', ArraySerializer(StringSerializer)]
]);
exports.Types = {
    Array: ArraySerializer,
    Asset: AssetSerializer,
    Authority: AuthoritySerializer,
    Binary: BinarySerializer,
    Boolean: BooleanSerializer,
    Date: DateSerializer,
    FlatMap: FlatMapSerializer,
    Int16: Int16Serializer,
    Int32: Int32Serializer,
    Int64: Int64Serializer,
    Int8: Int8Serializer,
    Memo: EncryptedMemoSerializer,
    Object: ObjectSerializer,
    Operation: OperationSerializer,
    Optional: OptionalSerializer,
    PublicKey: PublicKeySerializer,
    StaticVariant: StaticVariantSerializer,
    String: StringSerializer,
    Transaction: TransactionSerializer,
    UInt16: UInt16Serializer,
    UInt32: UInt32Serializer,
    UInt64: UInt64Serializer,
    UInt8: UInt8Serializer,
    Void: VoidSerializer
};