@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.
197 lines (196 loc) • 8.51 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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o["default"] = v;
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var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
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__setModuleDefault(result, mod);
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};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.NitroliteTransactionPreparer = void 0;
const viem_1 = require("viem");
const Errors = __importStar(require("../errors"));
const state_1 = require("./state");
class NitroliteTransactionPreparer {
constructor(dependencies) {
this.deps = dependencies;
}
async prepareDepositTransactions(tokenAddress, amount) {
const transactions = [];
const spender = this.deps.addresses.custody;
const owner = this.deps.account.address;
if (tokenAddress !== viem_1.zeroAddress) {
const allowance = await this.deps.erc20Service.getTokenAllowance(tokenAddress, owner, spender);
if (allowance < amount) {
try {
const approveTx = await this.deps.erc20Service.prepareApprove(tokenAddress, spender, amount);
transactions.push(approveTx);
}
catch (err) {
throw new Errors.ContractCallError('prepareApprove (for deposit)', err, {
tokenAddress,
spender,
amount,
});
}
}
}
try {
const depositTx = await this.deps.nitroliteService.prepareDeposit(tokenAddress, amount);
transactions.push(depositTx);
}
catch (err) {
throw new Errors.ContractCallError('prepareDeposit', err, { tokenAddress, amount });
}
return transactions;
}
async prepareCreateChannelTransaction(tokenAddress, params) {
try {
const { channel, initialState } = await (0, state_1._prepareAndSignInitialState)(tokenAddress, this.deps, params);
return await this.deps.nitroliteService.prepareCreateChannel(channel, initialState);
}
catch (err) {
if (err instanceof Errors.NitroliteError)
throw err;
throw new Errors.ContractCallError('prepareCreateChannelTransaction', err, { params });
}
}
async prepareDepositAndCreateChannelTransactions(tokenAddress, amount, params) {
const transactions = [];
const spender = this.deps.addresses.custody;
const owner = this.deps.account.address;
if (tokenAddress !== viem_1.zeroAddress) {
const allowance = await this.deps.erc20Service.getTokenAllowance(tokenAddress, owner, spender);
if (allowance < amount) {
try {
const approveTx = await this.deps.erc20Service.prepareApprove(tokenAddress, spender, amount);
transactions.push(approveTx);
}
catch (err) {
throw new Errors.ContractCallError('prepareApprove (for deposit)', err, {
tokenAddress,
spender,
amount,
});
}
}
}
try {
const { channel, initialState } = await (0, state_1._prepareAndSignInitialState)(tokenAddress, this.deps, params);
const depositTx = await this.deps.nitroliteService.prepareDepositAndCreateChannel(tokenAddress, amount, channel, initialState);
transactions.push(depositTx);
}
catch (err) {
if (err instanceof Errors.NitroliteError)
throw err;
throw new Errors.ContractCallError('prepareDepositAndCreateChannel', err, {
tokenAddress,
amount,
});
}
return transactions;
}
async prepareCheckpointChannelTransaction(params) {
const { channelId, candidateState, proofStates = [] } = params;
if (!candidateState.sigs || candidateState.sigs.length < 2) {
throw new Errors.InvalidParameterError('Candidate state for checkpoint must be signed by both participants.');
}
try {
return await this.deps.nitroliteService.prepareCheckpoint(channelId, candidateState, proofStates);
}
catch (err) {
if (err instanceof Errors.NitroliteError)
throw err;
throw new Errors.ContractCallError('prepareCheckpointChannelTransaction', err, { params });
}
}
async prepareChallengeChannelTransaction(params) {
const { channelId, candidateState, proofStates = [] } = params;
const { challengerSig } = await (0, state_1._prepareAndSignChallengeState)(this.deps, params);
try {
return await this.deps.nitroliteService.prepareChallenge(channelId, candidateState, proofStates, challengerSig);
}
catch (err) {
if (err instanceof Errors.NitroliteError)
throw err;
throw new Errors.ContractCallError('prepareChallengeChannelTransaction', err, { params });
}
}
async prepareResizeChannelTransaction(params) {
const { resizeStateWithSigs, channelId } = await (0, state_1._prepareAndSignResizeState)(this.deps, params);
try {
return await this.deps.nitroliteService.prepareResize(channelId, resizeStateWithSigs);
}
catch (err) {
if (err instanceof Errors.NitroliteError)
throw err;
throw new Errors.ContractCallError('prepareResizeChannelTransaction', err, { params });
}
}
async prepareCloseChannelTransaction(params) {
try {
const { finalStateWithSigs, channelId } = await (0, state_1._prepareAndSignFinalState)(this.deps, params);
return await this.deps.nitroliteService.prepareClose(channelId, finalStateWithSigs);
}
catch (err) {
if (err instanceof Errors.NitroliteError)
throw err;
throw new Errors.ContractCallError('prepareCloseChannelTransaction', err, { params });
}
}
async prepareWithdrawalTransaction(tokenAddress, amount) {
try {
return await this.deps.nitroliteService.prepareWithdraw(tokenAddress, amount);
}
catch (err) {
if (err instanceof Errors.NitroliteError)
throw err;
throw new Errors.ContractCallError('prepareWithdrawalTransaction', err, { amount, tokenAddress });
}
}
async prepareApproveTokensTransaction(tokenAddress, amount) {
const spender = this.deps.addresses.custody;
if (tokenAddress === viem_1.zeroAddress) {
throw new Errors.InvalidParameterError('Cannot prepare approval for ETH (zero address)');
}
try {
return await this.deps.erc20Service.prepareApprove(tokenAddress, spender, amount);
}
catch (err) {
if (err instanceof Errors.NitroliteError)
throw err;
throw new Errors.ContractCallError('prepareApproveTokensTransaction', err, {
amount,
tokenAddress,
spender,
});
}
}
}
exports.NitroliteTransactionPreparer = NitroliteTransactionPreparer;