@sova-labs/sdk
Version:
Sova MEV Searcher SDK for TON
87 lines • 2.83 kB
JavaScript
import path from "node:path";
import * as grpc from '@grpc/grpc-js';
import * as protoLoader from '@grpc/proto-loader';
import { promisify } from 'node:util';
import { ChannelCredentials } from "@grpc/grpc-js";
const protoPath = path.join(__dirname, '..', 'sova-grpc-proto', 'proto', 'searcher.proto');
const packageDefinition = protoLoader.loadSync(protoPath, {
keepCase: false,
longs: String,
enums: String,
oneofs: true,
});
const proto = grpc.loadPackageDefinition(packageDefinition);
const pkg = proto.searcher;
export class SearcherService {
constructor(url, secureConnection, accessToken) {
this.accessToken = accessToken;
const metadata = new grpc.Metadata();
if (this.accessToken) {
metadata.add('authorization', `Bearer ${this.accessToken.value}`);
}
this.client = new pkg.SearcherService(url, secureConnection ? ChannelCredentials.createSsl() : grpc.credentials.createInsecure(), { metadata });
}
subscribeBundleResults() {
return this.client.SubscribeBundleResults({}, {});
}
sendBundle(messages, expireAt) {
let expirationNs = undefined;
if (expireAt) {
const milliseconds = expireAt.getTime();
expirationNs = {
seconds: Math.floor(milliseconds / 1000),
nanos: (milliseconds % 1000) * 1e6
};
}
const request = {
message: messages,
expirationNs,
};
return promisify(this.client.SendBundle.bind(this.client, request))();
}
getTipAddresses() {
return promisify(this.client.GetTipAddresses.bind(this.client, {}))();
}
subscribeMempool(subscription) {
return this.client.subscribeMempool(subscription);
}
subscribeByAddresses(addresses) {
return this.subscribeMempool({
addresses: {
address: addresses,
}
});
}
subscribeByWorkchain(workchainId) {
return this.subscribeMempool({
workchain: {
workchainId,
}
});
}
subscribeByWorkchainShard(workchainId, shard) {
return this.subscribeMempool({
workchainShard: {
workchainId,
shard,
}
});
}
subscribeByExternalOutMessageOpcode(workchainId, shard, opcode) {
return this.subscribeMempool({
externalOutMessageBodyOpcode: {
workchainId,
shard,
opcode
}
});
}
subscribeByInternalMessageOpcode(workchainId, shard, opcode) {
return this.subscribeMempool({
internalMessageBodyOpcode: {
opcode
}
});
}
}
//# sourceMappingURL=searcher.service.js.map