lisk-framework/dist-node/engine/bft/module.js

Lisk blockchain application platform

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.BFTModule = void 0;
const method_1 = require("./method");
const constants_1 = require("./constants");
const schemas_1 = require("./schemas");
const bft_votes_1 = require("./bft_votes");
const bft_params_1 = require("./bft_params");
class BFTModule {
    constructor() {
        this.name = constants_1.MODULE_NAME_BFT;
        this.method = new method_1.BFTMethod();
    }
    async init(batchSize, blockTime) {
        this._batchSize = batchSize;
        this.method.init(this._batchSize, blockTime);
        this._maxLengthBlockBFTInfos = 3 * this._batchSize;
    }
    async initGenesisState(stateStore, header) {
        const votesStore = stateStore.getStore(constants_1.MODULE_STORE_PREFIX_BFT, constants_1.STORE_PREFIX_BFT_VOTES);
        await votesStore.setWithSchema(constants_1.EMPTY_KEY, {
            maxHeightPrevoted: header.height,
            maxHeightPrecommitted: header.height,
            maxHeightCertified: header.height,
            blockBFTInfos: [],
            activeValidatorsVoteInfo: [],
        }, schemas_1.bftVotesSchema);
    }
    async beforeTransactionsExecute(stateStore, header, maxRemovalHeight) {
        const votesStore = stateStore.getStore(constants_1.MODULE_STORE_PREFIX_BFT, constants_1.STORE_PREFIX_BFT_VOTES);
        const paramsStore = stateStore.getStore(constants_1.MODULE_STORE_PREFIX_BFT, constants_1.STORE_PREFIX_BFT_PARAMETERS);
        const paramsCache = new bft_params_1.BFTParametersCache(paramsStore);
        const bftVotes = await votesStore.getWithSchema(constants_1.EMPTY_KEY, schemas_1.bftVotesSchema);
        (0, bft_votes_1.insertBlockBFTInfo)(bftVotes, header, this._maxLengthBlockBFTInfos);
        await paramsCache.cache(bftVotes.blockBFTInfos[bftVotes.blockBFTInfos.length - 1].height, bftVotes.blockBFTInfos[0].height);
        await (0, bft_votes_1.updatePrevotesPrecommits)(bftVotes, paramsCache);
        await (0, bft_votes_1.updateMaxHeightPrevoted)(bftVotes, paramsCache);
        await (0, bft_votes_1.updateMaxHeightPrecommitted)(bftVotes, paramsCache);
        (0, bft_votes_1.updateMaxHeightCertified)(bftVotes, header);
        await votesStore.setWithSchema(constants_1.EMPTY_KEY, bftVotes, schemas_1.bftVotesSchema);
        const minHeightBFTParametersRequired = Math.min(bftVotes.blockBFTInfos[bftVotes.blockBFTInfos.length - 1].height, maxRemovalHeight);
        await (0, bft_params_1.deleteBFTParameters)(paramsStore, minHeightBFTParametersRequired);
    }
}
exports.BFTModule = BFTModule;
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