@broxus/js-bridge-essentials/dist/esm/models/ton-alien-proxy/TonAlienProxyV1Utils.js

Bridge JavaScript Essentials library

import { getFullContractState, resolveTvmAddress } from '@broxus/js-core';
import { debug } from '@broxus/js-utils';
import { tonAlienProxyV1Contract, tonMergePoolV1Contract, tonMergeRouterContract, } from '../../models/ton-alien-proxy/contracts';
import { TonToken } from '../../models/ton-token';
export class TonAlienProxyV1Utils {
    static async getConfiguration(connection, proxyAddress, cachedState) {
        const state = cachedState ?? await getFullContractState(connection, proxyAddress);
        return tonAlienProxyV1Contract(connection, proxyAddress)
            .methods.getConfiguration({ answerId: 0 })
            .call({ cachedState: state, responsible: true });
    }
    static async getTonEvmConfiguration(connection, proxyAddress, cachedState) {
        const result = await TonAlienProxyV1Utils.getConfiguration(connection, proxyAddress, cachedState);
        return result.value0.tvmConfiguration;
    }
    /**
     * Derive EVM alien token address in TVM by the given proxy address and EVM token params
     * @param {ProviderRpcClient} connection
     * @param {Address | string} proxyAddress
     * @param {DeriveEvmAlienJettonRootAbiParams} params
     * @param {FullContractState} [cachedState] - optional. Full contract state of the alien proxy contract
     */
    static async deriveEvmAlienTokenRoot(connection, proxyAddress, params, cachedState) {
        const state = cachedState ?? await getFullContractState(connection, proxyAddress);
        const result = await tonAlienProxyV1Contract(connection, proxyAddress)
            .methods.deriveEvmAlienTokenRoot({
            _chainId: params.chainId,
            _decimals: params.decimals,
            _name: params.name,
            _symbol: params.symbol,
            _token: params.token,
            answerId: 0,
        })
            .call({ cachedState: state, responsible: true });
        return result.value0;
    }
    /**
     * Get derive merge router address by the given TVM-like token and proxy addresses
     * @param {ProviderRpcClient} connection
     * @param {Address | string} proxyAddress
     * @param {Address | string} tokenAddress
     * @param {FullContractState} [cachedState] - optional. Full contract state of the alien proxy contract
     */
    static async deriveMergeRouter(connection, proxyAddress, tokenAddress, cachedState) {
        const state = cachedState ?? await getFullContractState(connection, proxyAddress);
        const result = await tonAlienProxyV1Contract(connection, proxyAddress)
            .methods.deriveMergeRouter({
            _token: resolveTvmAddress(tokenAddress),
            answerId: 0,
        })
            .call({ cachedState: state, responsible: true });
        return result.router;
    }
    /**
     * Get merge pool address by the given merge router address
     * @param {ProviderRpcClient} connection
     * @param {Address | string} mergeRouterAddress
     * @param {FullContractState} [cachedState] - optional. Full contract state of the merge router contract
     */
    static async getMergePoolAddress(connection, mergeRouterAddress, cachedState) {
        const state = cachedState ?? await getFullContractState(connection, mergeRouterAddress);
        const result = await tonMergeRouterContract(connection, mergeRouterAddress)
            .methods.getPool({ answerId: 0 })
            .call({ cachedState: state, responsible: true });
        return result.value0;
    }
    static async getMergePoolTokens(connection, mergePoolAddress, cachedState) {
        const state = cachedState ?? await getFullContractState(connection, mergePoolAddress);
        const result = await tonMergePoolV1Contract(connection, mergePoolAddress)
            .methods.getTokens({ answerId: 0 })
            .call({ cachedState: state, responsible: true });
        return {
            canon: result._canon,
            tokens: result._tokens.map(([addr, settings]) => [addr, settings]),
        };
    }
    static async getEvmTokenMergeDetails(connection, proxyAddress, tokenAddress, chainId, cachedState) {
        try {
            const state = cachedState ?? await getFullContractState(connection, proxyAddress);
            const mergeRouterAddress = await TonAlienProxyV1Utils.deriveMergeRouter(connection, proxyAddress, tokenAddress, state);
            const mergePoolAddress = await TonAlienProxyV1Utils.getMergePoolAddress(connection, mergeRouterAddress);
            const mergedTokens = await TonAlienProxyV1Utils.getMergePoolTokens(connection, mergePoolAddress);
            const providerState = await connection.getProviderState();
            const enabled = mergedTokens.tokens.filter(([, settings]) => settings.enabled);
            const promises = enabled.map(async ([address]) => {
                try {
                    const meta = await TonToken.Utils.getOffchainMeta(address.toString(), providerState.networkId);
                    return {
                        baseChainId: meta.baseChainId.toString(),
                        evmTokenAddress: meta.evmTokenAddress,
                        isMerged: meta.baseChainId.toString() === chainId,
                    };
                }
                catch (e) {
                    return { isMerged: false };
                }
            });
            const results = await Promise.all(promises);
            const merged = results.find(e => e.isMerged);
            if (!merged?.baseChainId) {
                return undefined;
            }
            return {
                baseChainId: merged.baseChainId,
                canonicalAddress: mergedTokens.canon,
                evmTokenAddress: merged.evmTokenAddress,
                mergePoolAddress,
                mergeRouterAddress,
                tonTokenAddress: resolveTvmAddress(tokenAddress),
            };
        }
        catch (e) {
            debug('TonAlienProxyV1.getEvmTokenMergeDetails failed with an error', e);
            return undefined;
        }
    }
    static decodeEvent(connection, proxyAddress, args) {
        return tonAlienProxyV1Contract(connection, proxyAddress).decodeEvent(args);
    }
    static decodeTransaction(connection, proxyAddress, args) {
        return tonAlienProxyV1Contract(connection, proxyAddress).decodeTransaction(args);
    }
    static decodeTransactionEvents(connection, proxyAddress, transaction) {
        return tonAlienProxyV1Contract(connection, proxyAddress).decodeTransactionEvents({ transaction });
    }
}