@erc7824/nitrolite
Version:
The Nitrolite SDK empowers developers to build high-performance, scalable web3 applications using state channels. It's designed to provide near-instant transactions and significantly improved user experiences by minimizing direct blockchain interactions.
55 lines (54 loc) • 2.1 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getChannelId = getChannelId;
exports.generateChannelNonce = generateChannelNonce;
exports.convertRPCToClientChannel = convertRPCToClientChannel;
exports.convertRPCToClientState = convertRPCToClientState;
const viem_1 = require("viem");
function getChannelId(channel, chainId) {
const encoded = (0, viem_1.encodeAbiParameters)([
{ name: 'participants', type: 'address[]' },
{ name: 'adjudicator', type: 'address' },
{ name: 'challenge', type: 'uint64' },
{ name: 'nonce', type: 'uint64' },
{ name: 'chainId', type: 'uint256' },
], [channel.participants, channel.adjudicator, channel.challenge, channel.nonce, chainId]);
return (0, viem_1.keccak256)(encoded);
}
function generateChannelNonce(address) {
const timestamp = BigInt(Math.floor(Date.now() / 1000));
const randomComponent = BigInt(Math.floor(Math.random() * 0xffffffff));
let combinedNonce = (timestamp << 32n) | randomComponent;
if (address) {
const cleanAddress = address.startsWith('0x') ? address.slice(2) : address;
if (!/^[0-9a-fA-F]+$/.test(cleanAddress)) {
throw new Error(`Invalid address format: ${address}. Address must be a valid hex string.`);
}
const addressComponent = BigInt(`0x${cleanAddress.slice(-16)}`);
combinedNonce = combinedNonce ^ addressComponent;
}
const maxInt64 = 0x7fffffffffffffffn;
const nonce = combinedNonce & maxInt64;
return nonce;
}
function convertRPCToClientChannel(ch) {
return {
participants: ch.participants,
adjudicator: ch.adjudicator,
challenge: BigInt(ch.challenge),
nonce: BigInt(ch.nonce),
};
}
function convertRPCToClientState(s, sig) {
return {
intent: s.intent,
version: BigInt(s.version),
data: s.stateData,
allocations: s.allocations.map((a) => ({
token: a.token,
destination: a.destination,
amount: a.amount,
})),
sigs: [sig],
};
}