@chorus-one/ethereum
Version:
All-in-one toolkit for building staking dApps on Ethereum network
103 lines (102 loc) • 4.28 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.StakewiseConnector = void 0;
const viem_1 = require("viem");
const chains_1 = require("viem/chains");
// Connector abstraction, providing on-chain and GraphQL API primitives
class StakewiseConnector {
chain;
/** Base URL for Stakewise main graph API */
baseAPI;
/** Base URL for Stakewise subgraph */
baseGraph;
/** Web3 connector for calling read-only contract methods */
eth;
/** Stakewise keeper contract address */
keeper;
/** Stakewise price oracle contract address */
priceOracle;
/** Stakewise mint token controller contract address */
mintTokenController;
constructor(network, rpcUrl) {
// These parameters might need to be changed for Gnosis and Mainnet
const transport = rpcUrl ? (0, viem_1.http)(rpcUrl) : (0, viem_1.http)();
switch (network) {
case 'hoodi':
this.chain = chains_1.hoodi;
this.eth = (0, viem_1.createPublicClient)({
chain: chains_1.hoodi,
transport
});
this.baseAPI = 'https://hoodi-api.stakewise.io/graphql';
this.baseGraph = 'https://graphs.stakewise.io/hoodi/subgraphs/name/stakewise/prod';
// Reference: https://docs.stakewise.io/for-developers/networks/hoodi
this.keeper = '0xA7D1Ac9D6F32B404C75626874BA56f7654c1dC0f';
this.priceOracle = '0xe8a222D887b468a71Ee8a27df4fa3b886A4B7BA1';
this.mintTokenController = '0x140Fc69Eabd77fFF91d9852B612B2323256f7Ac1';
break;
case 'ethereum':
this.chain = chains_1.mainnet;
this.eth = (0, viem_1.createPublicClient)({
chain: chains_1.mainnet,
transport
});
this.baseAPI = 'https://mainnet-api.stakewise.io/graphql';
this.baseGraph = 'https://graphs.stakewise.io/mainnet-b/subgraphs/name/stakewise/prod';
// Reference: https://docs.stakewise.io/for-developers/networks/mainnet
this.keeper = '0x6B5815467da09DaA7DC83Db21c9239d98Bb487b5';
this.priceOracle = '0x8023518b2192FB5384DAdc596765B3dD1cdFe471';
this.mintTokenController = '0x2A261e60FB14586B474C208b1B7AC6D0f5000306';
break;
default:
throw new Error(`Invalid network passed: ${network}`);
}
}
// Perform graphQL request
graphqlRequest = async (request) => {
const body = JSON.stringify({
operationName: request.op,
query: request.query.trim(),
variables: request.variables
});
const params = {
method: 'POST',
headers: {
'Content-Type': 'application/json; charset=utf-8',
Accept: '*/*'
},
body
};
let uri;
switch (request.type) {
case 'api':
uri = this.baseAPI;
break;
case 'graph':
uri = this.baseGraph;
break;
default:
throw new Error(`Invalid request type: ${request.type}`);
}
const endpoint = `${uri}?opName=${request.op}`;
const response = await fetch(endpoint, params);
if (!response.ok) {
throw new Error(`Invalid response from Stakewise. Endpoint: ${endpoint}`);
}
const responseData = await response.json();
if (typeof responseData !== 'object' || responseData === null) {
throw new Error('Invalid response from Stakewise');
}
if ('errors' in responseData &&
responseData.errors &&
Array.isArray(responseData.errors) &&
responseData.errors.length) {
throw new Error(responseData.errors[0].message);
}
if (!('data' in responseData) || typeof responseData.data !== 'object' || !responseData.data) {
throw new Error('Response from Stakewise is missing data');
}
return responseData;
};
}
exports.StakewiseConnector = StakewiseConnector;