lisk-framework

Version:
Lisk blockchain application platform
46 lines • 2.11 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SidechainCCSidechainTerminatedCommand = void 0;
const base_interoperability_cc_commands_1 = require("../../base_interoperability_cc_commands");
const constants_1 = require("../../constants");
const schemas_1 = require("../../schemas");
const utils_1 = require("../../utils");
const terminated_state_1 = require("../../stores/terminated_state");
class SidechainCCSidechainTerminatedCommand extends base_interoperability_cc_commands_1.BaseInteroperabilityCCCommand {
    constructor() {
        super(...arguments);
        this.schema = schemas_1.sidechainTerminatedCCMParamsSchema;
    }
    get name() {
        return constants_1.CROSS_CHAIN_COMMAND_SIDECHAIN_TERMINATED;
    }
    async verify(ctx) {
        if (ctx.ccm.status !== 0) {
            throw new Error('Sidechain terminated message must have status OK.');
        }
        if (!ctx.ccm.sendingChainID.equals((0, utils_1.getMainchainID)(ctx.chainID))) {
            throw new Error('Sidechain terminated message must be sent from the mainchain.');
        }
    }
    async execute(context) {
        const { chainID, stateRoot } = context.params;
        const terminatedStateSubstore = this.stores.get(terminated_state_1.TerminatedStateStore);
        const terminatedStateAccountExists = await terminatedStateSubstore.has(context, chainID);
        if (terminatedStateAccountExists) {
            const terminatedStateAccount = await terminatedStateSubstore.get(context, chainID);
            if (terminatedStateAccount.initialized) {
                return;
            }
            await terminatedStateSubstore.set(context, chainID, {
                stateRoot,
                mainchainStateRoot: constants_1.EMPTY_HASH,
                initialized: true,
            });
        }
        else {
            await this.internalMethods.createTerminatedStateAccount(context, chainID, stateRoot);
        }
    }
}
exports.SidechainCCSidechainTerminatedCommand = SidechainCCSidechainTerminatedCommand;
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