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Update client code to call chainlink node #15

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Update client code to call chainlink node #15

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85 changes: 75 additions & 10 deletions examples/optimism-gateway/client/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ const ethers = require('ethers');
const namehash = require('eth-ens-namehash');
const TEST_NODE = namehash.hash('test.test');
const TEST2_NODE = namehash.hash('test2.test');
const nodeFetch = require('node-fetch');
const nodeFetch = require("node-fetch")
const TEST_ADDRESS = "0x0000000000000000000000000000000000000001";

require('dotenv').config({ path: '../contracts/.env' });
Expand Down Expand Up @@ -35,14 +35,79 @@ if(NETWORK === 'kovan'){
PROVIDER_URL = 'http://localhost:9545'
L2_PROVIDER_URL = 'http://localhost:8545'
}

const provider = new ethers.providers.JsonRpcProvider(PROVIDER_URL);
const middleware = require('@ensdomains/durin-middleware')
const durinProvider = new middleware.DurinMiddleware(provider)
const wrappedProvider = new ethers.providers.Web3Provider(durinProvider)
const resolver = new ethers.Contract(RESOLVER_STUB_ADDRESS, abi, wrappedProvider);
// const resolver = new ethers.Contract(RESOLVER_STUB_ADDRESS, abi, provider);
const l2provider = new ethers.providers.JsonRpcProvider(L2_PROVIDER_URL);
const resolver = new ethers.Contract(RESOLVER_STUB_ADDRESS, abi, provider);

console.log({
RESOLVER_STUB_ADDRESS
})

function createL2Wallet() {
const mnemonicWallet = ethers.Wallet.fromMnemonic(MNEMONIC);
return new ethers.Wallet(mnemonicWallet.privateKey, l2provider)
}

function sleep(ms:number) {
return new Promise((resolve) => {
setTimeout(resolve, ms);
});
}

async function addr(node: string) {
try {
return await resolver.addr(node);
} catch (e) {
console.log(`*** resolver.addr error: ${e.message}`);
if (e.errorName === 'OffchainLookup') {
const url = e.errorArgs[2]; // Tested with our adapter deployed in our infra. URL: https://adapters.main.stage.cldev.sh/durin
const iface = new ethers.utils.Interface(abi);
const data = iface.encodeFunctionData('addr', [node]);
const reqBody = {
id: "1",
data: {
to: RESOLVER_STUB_ADDRESS,
abi,
data
}
}
const resp = await nodeFetch(
url,
{
method: 'post',
body: JSON.stringify(reqBody),
headers: {'Content-Type': 'application/json'}
}
)
const result = (await resp.json()).result
try {
const outputdata = await provider.call({
to: RESOLVER_STUB_ADDRESS,
data: result,
});
return iface.decodeFunctionResult('addrWithProof', outputdata);
} catch(ee){
console.log(`*** resolver.addrWithProof error: ${ee.message}`);
}
} else {
console.log(e);
}
}
}

async function main() {
console.log('Ask durin for test.test');
console.log(await addr(TEST_NODE));
console.log('Ask durin for test2.test');
console.log(await addr(TEST2_NODE));
const l2resolver = new ethers.Contract(RESOLVER_ADDRESS, abi2, createL2Wallet());
console.log('Update test.test on l2');
await (await l2resolver.setAddr(TEST_NODE, TEST_ADDRESS)).wait();
console.log('Set new value to l2', await l2resolver.addr(TEST_NODE));
console.log('Wait 10 sec');
await sleep(10000)
console.log('Ask durin again');
console.log(await addr(TEST_NODE));
}

resolver.addr(namehash.hash('test.test'))
.then(console.log)
.catch(console.log)
main();