@gear-js/api/lib/api/EthBridge.js

A JavaScript library that provides functionality to connect GEAR Component APIs.

import '@polkadot/util';
import { AuthoritySetHashError, ClearTimerError, GetQueueMerkleRootError } from '../errors/ethBridge.errors.js';

class GearEthBridge {
    api;
    constructor(api) {
        this.api = api;
    }
    async authoritySetHash() {
        const result = await this.api.query.gearEthBridge.authoritySetHash();
        if (result.isNone) {
            throw new AuthoritySetHashError();
        }
        return result.unwrap().toHex();
    }
    async clearTimer() {
        const result = await this.api.query.gearEthBridge.clearTimer();
        if (result.isNone) {
            throw new ClearTimerError();
        }
        return result.unwrap().toNumber();
    }
    async isInitialized() {
        const result = await this.api.query.gearEthBridge.initialized();
        return result.toHuman();
    }
    async getMessageNonce() {
        const result = await this.api.query.gearEthBridge.messageNonce();
        return result.toBigInt();
    }
    async isPaused() {
        const result = await this.api.query.gearEthBridge.paused();
        return result.toHuman();
    }
    async getQueue() {
        const result = await this.api.query.gearEthBridge.queue();
        return result.toArray().map((hash) => hash.toHex());
    }
    async isQueueChanged() {
        const result = await this.api.query.gearEthBridge.queueChanged();
        return result.toHuman();
    }
    async getQueueMerkleRoot() {
        const result = await this.api.query.gearEthBridge.queueMerkleRoot();
        if (result.isNone) {
            throw new GetQueueMerkleRootError();
        }
        return result.unwrap().toHex();
    }
    async getSessionsTimer() {
        const result = await this.api.query.gearEthBridge.sessionsTimer();
        return result.toNumber();
    }
    sendEthMessage(destination, payload) {
        return this.api.tx.gearEthBridge.sendEthMessage(destination, payload);
    }
    async merkleProof(hash, at) {
        return this.api.rpc.gearEthBridge.merkleProof(hash, at);
    }
    get maxPayloadSize() {
        return this.api.consts.gearEthBridge.maxPayloadSize.toNumber();
    }
    get queueCapacity() {
        return this.api.consts.gearEthBridge.queueCapacity.toNumber();
    }
    get sessionsPerEra() {
        return this.api.consts.gearEthBridge.sessionsPerEra.toNumber();
    }
}

export { GearEthBridge };