fix: api should match spl; add + update instruction docs

src/models/lending/borrow.ts

@@ -23,19 +23,22 @@ export enum BorrowAmountType {
 ///   1. `[writable]` Destination liquidity token account, minted by borrow reserve liquidity mint
 ///   2. `[]` Deposit reserve account.
 ///   3. `[writable]` Deposit reserve collateral supply SPL Token account
-///   4. `[writable]` Borrow reserve account.
-///   5. `[writable]` Borrow reserve liquidity supply SPL Token account
-///   6. `[writable]` Obligation
-///   7. `[writable]` Obligation token mint
-///   8. `[writable]` Obligation token output
-///   8 `[]` Lending market account.
-///   10 `[]` Derived lending market authority.
-///   11 `[]` User transfer authority ($authority).
-///   12 `[]` Dex market
-///   13 `[]` Dex market order book side
-///   14 `[]` Temporary memory
-///   15 `[]` Clock sysvar
-///   16 '[]` Token program id
+///   4. `[writable]` Deposit reserve collateral fee receiver account.
+///                     Must be the fee account specified at InitReserve.
+///   5. `[writable]` Borrow reserve account.
+///   6. `[writable]` Borrow reserve liquidity supply SPL Token account
+///   7. `[writable]` Obligation
+///   8. `[writable]` Obligation token mint
+///   9. `[writable]` Obligation token output
+///   10 `[]` Lending market account.
+///   11 `[]` Derived lending market authority.
+///   12 `[]` User transfer authority ($authority).
+///   13 `[]` Dex market
+///   14 `[]` Dex market order book side
+///   15 `[]` Temporary memory
+///   16 `[]` Clock sysvar
+///   17 '[]` Token program id
+///   18 `[optional, writable]` Deposit reserve collateral host fee receiver account.
 export const borrowInstruction = (
   amount: number | BN,
   amountType: BorrowAmountType,

src/models/lending/liquidate.ts

@@ -14,9 +14,9 @@ import { TOKEN_PROGRAM_ID, LENDING_PROGRAM_ID } from "../../utils/ids";
 ///   0. `[writable]` Source liquidity token account, minted by repay reserve liquidity mint
 ///                     $authority can transfer $collateral_amount
 ///   1. `[writable]` Destination collateral token account, minted by withdraw reserve collateral mint
-///   2. `[]` Repay reserve account.
+///   2. `[writable]` Repay reserve account.
 ///   3. `[writable]` Repay reserve liquidity supply SPL Token account
-///   4. `[writable]` Withdraw reserve account.
+///   4. `[]` Withdraw reserve account.
 ///   5. `[writable]` Withdraw reserve collateral supply SPL Token account
 ///   6. `[writable]` Obligation - initialized
 ///   7. `[]` Lending market account.

src/models/lending/market.ts

@@ -45,5 +45,10 @@ export const LendingMarketParser = (
   return details;
 };
 
-// TODO:
-// create instructions for init
+// TODO: create instructions for init
+/// Initializes a new lending market.
+///
+///   0. `[writable]` Lending market account.
+///   1. `[]` Quote currency SPL Token mint. Must be initialized.
+///   2. `[]` Rent sysvar
+///   3. '[]` Token program id

src/models/lending/obligation.ts

@@ -69,6 +69,19 @@ export const healthFactorToRiskColor = (health: number) => {
   return "";
 };
 
+/// Initializes a new loan obligation.
+///
+///   0. `[]` Deposit reserve account.
+///   1. `[]` Borrow reserve account.
+///   2. `[writable]` Obligation
+///   3. `[writable]` Obligation token mint
+///   4. `[writable]` Obligation token output
+///   5. `[]` Obligation token owner
+///   6. `[]` Lending market account.
+///   7. `[]` Derived lending market authority.
+///   8. `[]` Clock sysvar
+///   9. `[]` Rent sysvar
+///   10 '[]` Token program id
 export const initObligationInstruction = (
   depositReserve: PublicKey,
   borrowReserve: PublicKey,

src/models/lending/reserve.ts

@@ -146,6 +146,26 @@ export const LendingReserveParser = (
   return details;
 };
 
+/// Initializes a new lending market reserve.
+///
+///   0. `[writable]` Source liquidity token account.  $authority can transfer $liquidity_amount
+///   1. `[writable]` Destination collateral token account - uninitialized
+///   2. `[writable]` Reserve account.
+///   3. `[]` Reserve liquidity SPL Token mint
+///   4. `[writable]` Reserve liquidity supply SPL Token account - uninitialized
+///   5. `[writable]` Reserve collateral SPL Token mint - uninitialized
+///   6. `[writable]` Reserve collateral token supply - uninitialized
+///   7. `[writable]` Reserve collateral fees receiver - uninitialized.
+///                     Owner will be set to the lending market account.
+///   8. `[]` Lending market account.
+///   9. `[signer]` Lending market owner.
+///   10 `[]` Derived lending market authority.
+///   11 `[]` User transfer authority ($authority).
+///   12 `[]` Clock sysvar
+///   13 `[]` Rent sysvar
+///   14 '[]` Token program id
+///   15 `[optional]` Serum DEX market account. Not required for quote currency reserves.
+///                     Must be initialized and match quote and base currency.
 export const initReserveInstruction = (
   liquidityAmount: number | BN,
   maxUtilizationRate: number,
@@ -207,6 +227,11 @@ export const initReserveInstruction = (
   });
 };
 
+/// Accrue interest on reserves
+///
+///   0. `[]` Clock sysvar
+///   1. `[writable]` Reserve account.
+///   .. `[writable]` Additional reserve accounts.
 export const accrueInterestInstruction = (
   ...reserveAccount: PublicKey[]
 ): TransactionInstruction => {

src/models/lending/withdraw.ts

@@ -9,6 +9,18 @@ import { TOKEN_PROGRAM_ID, LENDING_PROGRAM_ID } from "../../utils/ids";
 import * as Layout from "./../../utils/layout";
 import { LendingInstruction } from "./lending";
 
+/// Withdraw tokens from a reserve. The input is a collateral token representing ownership
+/// of the reserve liquidity pool.
+///
+///   0. `[writable]` Source collateral token account. $authority can transfer $collateral_amount
+///   1. `[writable]` Destination liquidity token account.
+///   2. `[writable]` Reserve account.
+///   3. `[writable]` Reserve collateral SPL Token mint.
+///   4. `[writable]` Reserve liquidity supply SPL Token account.
+///   5. `[]` Lending market account.
+///   6. `[]` Derived lending market authority.
+///   7. `[]` User transfer authority ($authority).
+///   8. '[]` Token program id
 export const withdrawInstruction = (
   collateralAmount: number | BN,
   from: PublicKey, // Collateral input SPL Token account. $authority can transfer $liquidity_amount