@broxus/js-bridge-essentials/dist/esm/models/ton-token/TonTokenUtils.js

Bridge JavaScript Essentials library

import { resolveTvmAddress } from '@broxus/js-core';
import { tonTokenApiEndpoint } from '../../constants';
import { resolveTonAddress } from '../../utils';
export class TonTokenUtils {
    static async getOffchainDetails(address) {
        const details = await tonTokenApiEndpoint.fetch({ address: resolveTonAddress(address).toRawString() });
        if (!details.symbol) {
            throw new Error('Details does not contains symbol');
        }
        if (!details.decimals) {
            throw new Error('Details does not contains decimals');
        }
        if (!details.name) {
            throw new Error('Details does not contains name');
        }
        return {
            address: resolveTonAddress(address),
            decimals: Number(details.decimals),
            logoURI: details.imageUrl ?? undefined,
            name: details.name,
            symbol: details.symbol,
        };
    }
    static async walletOf(connection, params, cachedState) {
        const tokenRawAddress = resolveTonAddress(params.tokenAddress).toRawString();
        const ownerRawAddress = resolveTonAddress(params.ownerAddress).toRawString();
        const result = await connection.runGetter({
            address: resolveTvmAddress(tokenRawAddress),
            cachedState,
            inputData: {
                walletOwner: resolveTvmAddress(ownerRawAddress),
            },
            inputStructure: [
                { name: 'walletOwner', type: 'address' },
            ],
            method: 'get_wallet_address',
            outputStructure: [
                { name: 'value0', type: 'address' },
            ],
        });
        if (!result.output?.value0) {
            throw new Error('Wallet not found');
        }
        return resolveTonAddress(result.output.value0.toString());
    }
}