@kamino-finance/klend-sdk/dist/utils/ObligationType.js

Typescript SDK for interacting with the Kamino Lending (klend) protocol

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.LendingObligation = exports.LeverageObligation = exports.MultiplyObligation = exports.VanillaObligation = exports.ObligationTypeTag = void 0;
exports.getObligationTypeFromObligation = getObligationTypeFromObligation;
const web3_js_1 = require("@solana/web3.js");
var ObligationTypeTag;
(function (ObligationTypeTag) {
    ObligationTypeTag[ObligationTypeTag["Vanilla"] = 0] = "Vanilla";
    ObligationTypeTag[ObligationTypeTag["Multiply"] = 1] = "Multiply";
    ObligationTypeTag[ObligationTypeTag["Lending"] = 2] = "Lending";
    ObligationTypeTag[ObligationTypeTag["Leverage"] = 3] = "Leverage";
})(ObligationTypeTag || (exports.ObligationTypeTag = ObligationTypeTag = {}));
class VanillaObligation {
    programId;
    static tag = 0;
    constructor(programId) {
        this.programId = programId;
    }
    toArgs() {
        const initObligationArgs = {
            tag: VanillaObligation.tag,
            id: 0,
            seed1: web3_js_1.PublicKey.default,
            seed2: web3_js_1.PublicKey.default,
        };
        return initObligationArgs;
    }
    toPda(market, user) {
        return getObligationPdaWithArgs(market, user, this.toArgs(), this.programId);
    }
}
exports.VanillaObligation = VanillaObligation;
class MultiplyObligation {
    collToken;
    debtToken;
    programId;
    static tag = 1;
    constructor(collToken, debtToken, programId) {
        this.collToken = collToken;
        this.debtToken = debtToken;
        this.programId = programId;
    }
    toArgs() {
        const initObligationArgs = {
            tag: MultiplyObligation.tag,
            id: 0,
            seed1: this.collToken,
            seed2: this.debtToken,
        };
        return initObligationArgs;
    }
    toPda(market, user) {
        return getObligationPdaWithArgs(market, user, this.toArgs(), this.programId);
    }
}
exports.MultiplyObligation = MultiplyObligation;
class LeverageObligation {
    collToken;
    debtToken;
    programId;
    static tag = 3;
    constructor(collToken, debtToken, programId) {
        this.collToken = collToken;
        this.debtToken = debtToken;
        this.programId = programId;
    }
    toArgs() {
        const initObligationArgs = {
            tag: LeverageObligation.tag,
            id: 0,
            seed1: this.collToken,
            seed2: this.debtToken,
        };
        return initObligationArgs;
    }
    toPda(market, user) {
        return getObligationPdaWithArgs(market, user, this.toArgs(), this.programId);
    }
}
exports.LeverageObligation = LeverageObligation;
class LendingObligation {
    token;
    programId;
    static tag = 2;
    constructor(token, programId) {
        this.token = token;
        this.programId = programId;
    }
    toArgs() {
        const initObligationArgs = {
            tag: LendingObligation.tag,
            id: 0,
            seed1: this.token,
            seed2: this.token,
        };
        return initObligationArgs;
    }
    toPda(market, user) {
        return getObligationPdaWithArgs(market, user, this.toArgs(), this.programId);
    }
}
exports.LendingObligation = LendingObligation;
function getObligationPdaWithArgs(market, user, args, programId) {
    const seed = [
        Buffer.from([args.tag]),
        Buffer.from([args.id]),
        user.toBuffer(),
        market.toBuffer(),
        args.seed1.toBuffer(),
        args.seed2.toBuffer(),
    ];
    const [obligationAddress, _obligationAddressBump] = web3_js_1.PublicKey.findProgramAddressSync(seed, programId);
    return obligationAddress;
}
function getObligationTypeFromObligation(kaminoMarket, obligation) {
    switch (obligation.obligationTag) {
        case VanillaObligation.tag: {
            return new VanillaObligation(kaminoMarket.programId);
            break;
        }
        case MultiplyObligation.tag: {
            return new MultiplyObligation(obligation.getDeposits()[0].mintAddress, obligation.getBorrows()[0].mintAddress, kaminoMarket.programId);
            break;
        }
        case LeverageObligation.tag: {
            return new LeverageObligation(obligation.getDeposits()[0].mintAddress, obligation.getBorrows()[0].mintAddress, kaminoMarket.programId);
            break;
        }
        case LendingObligation.tag: {
            return new LendingObligation(obligation.getDeposits()[0].mintAddress, kaminoMarket.programId);
            break;
        }
        default: {
            throw new Error('Invalid obligation type');
        }
    }
}
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