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feat: liquidate instruction

This commit is contained in:
bartosz-lipinski 2020-11-21 21:10:08 -06:00
parent 3086ee66f4
commit e2f8cafade
1 changed files with 27 additions and 11 deletions
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38
src/models/lending/liquidate.ts
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@ -22,12 +22,17 @@ import * as Layout from "./../../utils/layout";
/// 12 `[]` Token program id
export const liquidateInstruction = (
liquidityAmount: number | BN,
from: PublicKey, // Collateral input SPL Token account. $authority can transfer $liquidity_amount
to: PublicKey, // Liquidity output SPL Token account,
reserveAccount: PublicKey,
collateralMint: PublicKey,
reserveSupply: PublicKey,
authority: PublicKey
from: PublicKey, // Liquidity input SPL Token account. $authority can transfer $liquidity_amount
to: PublicKey, // Collateral output SPL Token account,
repayReserveAccount: PublicKey,
repayReserveLiquiditySupply: PublicKey,
withdrawReserve: PublicKey,
withdrawReserveCollateralSupply: PublicKey,
obligation: PublicKey,
authority: PublicKey,
dexMarket: PublicKey,
dexOrderBookSide: PublicKey,
memory: PublicKey,
): TransactionInstruction => {
const dataLayout = BufferLayout.struct([
BufferLayout.u8("instruction"),
@ -37,7 +42,7 @@ export const liquidateInstruction = (
const data = Buffer.alloc(dataLayout.span);
dataLayout.encode(
{
instruction: LendingInstruction.RepayOblogationLiquidity,
instruction: LendingInstruction.LiquidateObligation,
collateralAmount: new BN(liquidityAmount),
},
data
@ -46,11 +51,22 @@ export const liquidateInstruction = (
const keys = [
{ pubkey: from, isSigner: false, isWritable: true },
{ pubkey: to, isSigner: false, isWritable: true },
{ pubkey: reserveAccount, isSigner: false, isWritable: true },
{ pubkey: collateralMint, isSigner: false, isWritable: true },
{ pubkey: reserveSupply, isSigner: false, isWritable: true },
{ pubkey: repayReserveAccount, isSigner: false, isWritable: true },
{ pubkey: repayReserveLiquiditySupply, isSigner: false, isWritable: true },
{ pubkey: withdrawReserve, isSigner: false, isWritable: true },
{ pubkey: withdrawReserveCollateralSupply, isSigner: false, isWritable: true },
{ pubkey: obligation, isSigner: false, isWritable: true },
{ pubkey: authority, isSigner: false, isWritable: false },
{ pubkey: dexMarket, isSigner: false, isWritable: false },
{ pubkey: dexOrderBookSide, isSigner: false, isWritable: false },
{ pubkey: memory, isSigner: false, isWritable: false },
{ pubkey: SYSVAR_CLOCK_PUBKEY, isSigner: false, isWritable: false },
{ pubkey: TOKEN_PROGRAM_ID, isSigner: false, isWritable: false },
];