@atomiqlabs/chain-evm
Version:
EVM specific base implementation
135 lines (134 loc) • 5.29 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.EVMLpVault = void 0;
const EVMSwapModule_1 = require("../EVMSwapModule");
const EVMFees_1 = require("../../chain/modules/EVMFees");
class EVMLpVault extends EVMSwapModule_1.EVMSwapModule {
/**
* Action for withdrawing funds from the LP vault
*
* @param signer
* @param token
* @param amount
* @param feeRate
* @private
*/
async Withdraw(signer, token, amount, feeRate) {
const tx = await this.swapContract.withdraw.populateTransaction(token, amount, signer);
tx.from = signer;
tx.gasLimit = BigInt(EVMLpVault.GasCosts.WITHDRAW);
EVMFees_1.EVMFees.applyFeeRate(tx, EVMLpVault.GasCosts.WITHDRAW, feeRate);
return tx;
}
/**
* Action for depositing funds to the LP vault
*
* @param signer
* @param token
* @param amount
* @param feeRate
* @private
*/
async Deposit(signer, token, amount, feeRate) {
const tx = await this.swapContract.deposit.populateTransaction(token, amount, {
value: token.toLowerCase() === this.root.getNativeCurrencyAddress().toLowerCase() ? amount : 0n
});
tx.from = signer;
EVMFees_1.EVMFees.applyFeeRate(tx, EVMLpVault.GasCosts.DEPOSIT, feeRate);
return tx;
}
/**
* Returns intermediary's reputation & vault balance for a specific token
*
* @param address
* @param token
*/
async getIntermediaryData(address, token) {
const [balance, reputation] = await Promise.all([
this.getIntermediaryBalance(address, token),
this.getIntermediaryReputation(address, token)
]);
return { balance, reputation };
}
/**
* Returns intermediary's reputation for a specific token
*
* @param address
* @param token
*/
async getIntermediaryReputation(address, token) {
const filter = Object.keys(this.contract.claimHandlersByAddress).map(claimHandler => ({ owner: address, token, claimHandler }));
const resp = await this.swapContract.getReputation(filter);
if (resp.length !== filter.length)
throw new Error("getIntermediaryReputation(): Invalid response length");
const result = {};
Object.keys(this.contract.claimHandlersByAddress).forEach((address, index) => {
const handler = this.contract.claimHandlersByAddress[address.toLowerCase()];
const handlerResp = resp[index];
result[handler.getType()] = {
successVolume: handlerResp[0].amount,
successCount: handlerResp[0].count,
coopCloseVolume: handlerResp[1].amount,
coopCloseCount: handlerResp[1].count,
failVolume: handlerResp[2].amount,
failCount: handlerResp[2].count,
};
});
return result;
}
/**
* Returns the balance of the token an intermediary has in his LP vault
*
* @param address
* @param token
*/
async getIntermediaryBalance(address, token) {
const [balance] = await this.swapContract.getBalance([{ owner: address, token }]);
this.logger.debug("getIntermediaryBalance(): token LP balance fetched, token: " + token.toString() +
" address: " + address + " amount: " + (balance == null ? "null" : balance.toString()));
return balance;
}
/**
* Creates transactions for withdrawing funds from the LP vault, creates ATA if it doesn't exist and unwraps
* WSOL to SOL if required
*
* @param signer
* @param token
* @param amount
* @param feeRate
*/
async txsWithdraw(signer, token, amount, feeRate) {
feeRate ?? (feeRate = await this.root.Fees.getFeeRate());
const withdrawTx = await this.Withdraw(signer, token, amount, feeRate);
this.logger.debug("txsWithdraw(): withdraw TX created, token: " + token.toString() +
" amount: " + amount.toString(10));
return [withdrawTx];
}
/**
* Creates transaction for depositing funds into the LP vault, wraps SOL to WSOL if required
*
* @param signer
* @param token
* @param amount
* @param feeRate
*/
async txsDeposit(signer, token, amount, feeRate) {
feeRate ?? (feeRate = await this.root.Fees.getFeeRate());
const txs = [];
//Approve first
if (token.toLowerCase() !== this.root.getNativeCurrencyAddress().toLowerCase()) {
const approveTx = await this.root.Tokens.checkAndGetApproveTx(signer, token, amount, this.contract.contractAddress, feeRate);
if (approveTx != null)
txs.push(approveTx);
}
txs.push(await this.Deposit(signer, token, amount, feeRate));
this.logger.debug("txsDeposit(): deposit TX created, token: " + token.toString() +
" amount: " + amount.toString(10));
return txs;
}
}
exports.EVMLpVault = EVMLpVault;
EVMLpVault.GasCosts = {
WITHDRAW: 100000 + 21000,
DEPOSIT: 100000 + 21000
};