@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
245 lines • 13.1 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getUserLutAddressAndSetupIxs = void 0;
exports.getAllUserMetadatasWithFilter = getAllUserMetadatasWithFilter;
const web3_js_1 = require("@solana/web3.js");
const lib_1 = require("../lib");
const getUserLutAddressAndSetupIxs = async (kaminoMarket, user, referrer = web3_js_1.PublicKey.default, withExtendLut = true, multiplyMints = [], leverageMints = [], repayWithCollObligation = undefined, payer = web3_js_1.PublicKey.default) => {
const [userMetadataAddress, userMetadataState] = await kaminoMarket.getUserMetadata(user);
const initUserMetadataIxs = [];
let userLookupTableAddress;
const referrerUserMetadata = referrer.equals(web3_js_1.PublicKey.default)
? kaminoMarket.programId
: (await kaminoMarket.getUserMetadata(referrer))[0];
if (!userMetadataState) {
const [createLutIx, lookupTableAddress] = await (0, lib_1.createLookupTableIx)(kaminoMarket.getConnection(), user);
userLookupTableAddress = lookupTableAddress;
initUserMetadataIxs.push(createLutIx);
initUserMetadataIxs.push((0, lib_1.initUserMetadata)({
userLookupTable: lookupTableAddress,
}, {
owner: user,
feePayer: payer.equals(web3_js_1.PublicKey.default) ? user : payer,
userMetadata: userMetadataAddress,
referrerUserMetadata: referrerUserMetadata,
rent: web3_js_1.SYSVAR_RENT_PUBKEY,
systemProgram: web3_js_1.SystemProgram.programId,
}, kaminoMarket.programId));
}
else {
userLookupTableAddress = userMetadataState.userLookupTable;
}
const setupUserMetadataIxs = [initUserMetadataIxs];
if (withExtendLut) {
const dedupUserLutAddresses = await getDedupUserLookupTableAddresses(kaminoMarket, userLookupTableAddress, user, referrer, multiplyMints, leverageMints, userMetadataState !== null, repayWithCollObligation);
const extendLookupTableChunkIxs = (0, lib_1.extendLookupTableIxs)(user, userLookupTableAddress, dedupUserLutAddresses, payer);
for (const extendLutIx of extendLookupTableChunkIxs) {
setupUserMetadataIxs.push([extendLutIx]);
}
}
return [userLookupTableAddress, setupUserMetadataIxs];
};
exports.getUserLutAddressAndSetupIxs = getUserLutAddressAndSetupIxs;
const getDedupUserLookupTableAddresses = async (kaminoMarket, table_pk, user, referrer, multiplyMints = [], leverageMints = [], tableExists, repayWithCollObligation = undefined) => {
const requiredAddresses = await getUserLookupTableAddresses(kaminoMarket, user, referrer, multiplyMints, leverageMints, repayWithCollObligation);
if (tableExists) {
const userLookupTable = (await kaminoMarket.getConnection().getAddressLookupTable(table_pk)).value?.state;
const addressesAndLogsNotInLut = requiredAddresses.filter((addressAndLogs) => userLookupTable.addresses.filter((a) => a.equals(addressAndLogs.address)).length === 0);
console.log('Addresses to be added in LUT:');
const addressNotInLut = addressesAndLogsNotInLut.map((addressAndLogs) => {
console.log(addressAndLogs.log);
return addressAndLogs.address;
});
return new lib_1.PublicKeySet(addressNotInLut).toArray();
}
else {
const addressNotInLut = requiredAddresses.map((addressAndLogs) => {
console.log(addressAndLogs.log);
return addressAndLogs.address;
});
return new lib_1.PublicKeySet(addressNotInLut).toArray();
}
};
const getUserLookupTableAddresses = async (kaminoMarket, user, referrer, multiplyMints = [], leverageMints = [], repayWithCollObligation = undefined) => {
const addresses = [];
addresses.push({ address: user, log: 'user address' });
const [userMetadataAddress] = (0, lib_1.userMetadataPda)(user, kaminoMarket.programId);
addresses.push({ address: userMetadataAddress, log: 'userMetadata address' });
const allMints = [];
multiplyMints.forEach(({ coll: collMint, debt: debtMint }) => {
allMints.push(collMint);
allMints.push(debtMint);
});
leverageMints.forEach(({ coll: collMint, debt: debtMint }) => {
allMints.push(collMint);
allMints.push(debtMint);
});
if (repayWithCollObligation) {
repayWithCollObligation.borrows.forEach((borrow) => {
allMints.push(borrow.mintAddress);
});
repayWithCollObligation.deposits.forEach((deposit) => {
allMints.push(deposit.mintAddress);
});
}
const dedupMints = [...new lib_1.PublicKeySet(allMints).toArray()];
const reserves = [];
dedupMints.forEach((mint) => {
const kaminoReserve = kaminoMarket.getReserveByMint(mint);
if (kaminoReserve) {
reserves.push(kaminoReserve);
}
});
// reserve mint ATAs
const mintsAtas = await Promise.all(dedupMints.map(async (mint) => {
return { address: await (0, lib_1.getAssociatedTokenAddress)(mint, user), log: 'ata for mint ' + mint.toString() };
}));
addresses.push(...mintsAtas);
// ctoken ATAs
const ctokenMintsAtas = await Promise.all(reserves.map(async (reserve) => {
const ctokenMint = reserve.getCTokenMint();
return {
address: await (0, lib_1.getAssociatedTokenAddress)(ctokenMint, user),
log: 'ctoken ata for reserve ' + reserve.address.toString(),
};
}));
addresses.push(...ctokenMintsAtas);
// farm states
const farmCollateralStates = reserves.map((reserve) => reserve.state.farmCollateral);
const farmDebtStates = reserves.map((reserve) => reserve.state.farmDebt);
const farmStates = new lib_1.PublicKeySet(farmCollateralStates.concat(farmDebtStates).filter((address) => (0, lib_1.isNotNullPubkey)(address)));
const farmStatesAdressesAndLogs = farmStates.toArray().map((address) => {
return { address: address, log: 'farm state' };
});
addresses.push(...farmStatesAdressesAndLogs);
// referrer token states
const referrerTokenStates = reserves.map((reserve) => {
return {
address: (0, lib_1.referrerTokenStatePda)(referrer, reserve.address, kaminoMarket.programId)[0],
log: 'referrer token state for reserve ' + reserve.address,
};
});
if (!referrer.equals(web3_js_1.PublicKey.default)) {
addresses.push(...referrerTokenStates);
}
const [multiplyObligations, multiplyObligationsFarmUserStates] = getMultiplyObligationAndObligationFarmStateAddresses(kaminoMarket, user, multiplyMints);
addresses.push(...multiplyObligations);
addresses.push(...multiplyObligationsFarmUserStates);
const [leverageObligations, leverageObligationsFarmUserStates] = getLeverageObligationAndObligationFarmStateAddresses(kaminoMarket, user, leverageMints);
addresses.push(...leverageObligations);
addresses.push(...leverageObligationsFarmUserStates);
if (repayWithCollObligation) {
const repayWithCollFarmUserStates = getRepayWithCollObligationFarmStateAddresses(kaminoMarket, repayWithCollObligation);
addresses.push(...repayWithCollFarmUserStates);
addresses.push({ address: repayWithCollObligation.obligationAddress, log: 'repay with coll obligation' });
}
return addresses;
};
function getMultiplyObligationAndObligationFarmStateAddresses(kaminoMarket, user, mints) {
const obligationPdas = [];
const farmUserStates = [];
for (const { coll: collMint, debt: debtMint } of mints) {
const collReserve = kaminoMarket.getReserveByMint(collMint);
const debtReserve = kaminoMarket.getReserveByMint(debtMint);
const collMintString = collMint.toString();
const debtMintString = debtMint.toString();
if (collReserve && debtReserve) {
const multiplyObligation = new lib_1.MultiplyObligation(collMint, debtMint, kaminoMarket.programId);
obligationPdas.push({
address: multiplyObligation.toPda(kaminoMarket.getAddress(), user),
log: 'multiply obligation coll: ' + collMintString + ' debt: ' + debtMintString,
});
if (!collReserve.state.farmCollateral.equals(web3_js_1.PublicKey.default)) {
farmUserStates.push({
address: (0, lib_1.obligationFarmStatePda)(collReserve.state.farmCollateral, multiplyObligation.toPda(kaminoMarket.getAddress(), user)),
log: 'collReserve farmState for multiply obligation coll: ' + collMintString + ' debt: ' + debtMintString,
});
}
if (!debtReserve.state.farmDebt.equals(web3_js_1.PublicKey.default)) {
farmUserStates.push({
address: (0, lib_1.obligationFarmStatePda)(debtReserve.state.farmDebt, multiplyObligation.toPda(kaminoMarket.getAddress(), user)),
log: 'debtReserve farmState for multiply obligation coll: ' + collMintString + ' debt: ' + debtMintString,
});
}
}
}
return [obligationPdas, farmUserStates];
}
function getLeverageObligationAndObligationFarmStateAddresses(kaminoMarket, user, mints) {
const obligationPdas = [];
const farmUserStates = [];
for (const { coll: collMint, debt: debtMint } of mints) {
const collReserve = kaminoMarket.getReserveByMint(collMint);
const debtReserve = kaminoMarket.getReserveByMint(debtMint);
const collMintString = collMint.toString();
const debtMintString = debtMint.toString();
if (collReserve && debtReserve) {
const leverageObligation = new lib_1.LeverageObligation(collMint, debtMint, kaminoMarket.programId);
obligationPdas.push({
address: leverageObligation.toPda(kaminoMarket.getAddress(), user),
log: 'leverage obligation coll: ' + collMintString + ' debt: ' + debtMintString,
});
if (!collReserve.state.farmCollateral.equals(web3_js_1.PublicKey.default)) {
farmUserStates.push({
address: (0, lib_1.obligationFarmStatePda)(collReserve.state.farmCollateral, leverageObligation.toPda(kaminoMarket.getAddress(), user)),
log: 'collReserve farmState for leverage obligation coll: ' + collMintString + ' debt: ' + debtMintString,
});
}
if (!debtReserve.state.farmDebt.equals(web3_js_1.PublicKey.default)) {
farmUserStates.push({
address: (0, lib_1.obligationFarmStatePda)(debtReserve.state.farmDebt, leverageObligation.toPda(kaminoMarket.getAddress(), user)),
log: 'debtReserve farmState for leverage obligation coll: ' + collMintString + ' debt: ' + debtMintString,
});
}
}
}
return [obligationPdas, farmUserStates];
}
function getRepayWithCollObligationFarmStateAddresses(kaminoMarket, obligation) {
const farmUserStates = [];
const obligationString = obligation.obligationAddress.toString();
obligation.borrows.forEach((borrow) => {
const borrowReserve = kaminoMarket.getReserveByMint(borrow.mintAddress);
if (!borrowReserve.state.farmDebt.equals(web3_js_1.PublicKey.default)) {
farmUserStates.push({
address: (0, lib_1.obligationFarmStatePda)(borrowReserve.state.farmDebt, obligation.obligationAddress),
log: 'debtReserve farmState for vanilla obligation: ' + obligationString,
});
}
});
obligation.deposits.forEach((deposit) => {
const depositReserve = kaminoMarket.getReserveByMint(deposit.mintAddress);
if (!depositReserve.state.farmCollateral.equals(web3_js_1.PublicKey.default)) {
farmUserStates.push({
address: (0, lib_1.obligationFarmStatePda)(depositReserve.state.farmCollateral, obligation.obligationAddress),
log: 'collReserve farmState for vanilla obligation' + obligationString,
});
}
});
return farmUserStates;
}
async function getAllUserMetadatasWithFilter(connection, filter, programId) {
const filters = [
{
dataSize: lib_1.UserMetadata.layout.span + 8,
},
...filter,
];
const userMetadatas = await connection.getProgramAccounts(programId, {
filters,
});
return userMetadatas.map((userMetadata) => {
if (userMetadata.account === null) {
throw new Error('Invalid account');
}
if (!userMetadata.account.owner.equals(programId)) {
throw new Error("account doesn't belong to this program");
}
const userMetadataAccount = lib_1.UserMetadata.decode(userMetadata.account.data);
if (!userMetadataAccount) {
throw Error('Could not parse user metadata.');
}
return { address: userMetadata.pubkey, state: userMetadataAccount };
});
}
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