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@kamino-finance/kliquidity-sdk

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Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol

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/* eslint-disable @typescript-eslint/no-unused-vars */ import { Address, isSome, IAccountMeta, IAccountSignerMeta, IInstruction, Option, TransactionSigner, } from "@solana/kit" /* eslint-enable @typescript-eslint/no-unused-vars */ import BN from "bn.js" // eslint-disable-line @typescript-eslint/no-unused-vars import * as borsh from "@coral-xyz/borsh" // eslint-disable-line @typescript-eslint/no-unused-vars import { borshAddress } from "../utils" // eslint-disable-line @typescript-eslint/no-unused-vars import * as types from "../types" // eslint-disable-line @typescript-eslint/no-unused-vars import { PROGRAM_ID } from "../programId" export interface InitializeFeeTierArgs { tickSpacing: number defaultFeeRate: number } export interface InitializeFeeTierAccounts { config: Address feeTier: Address funder: TransactionSigner feeAuthority: TransactionSigner systemProgram: Address } export const layout = borsh.struct([ borsh.u16("tickSpacing"), borsh.u16("defaultFeeRate"), ]) export function initializeFeeTier( args: InitializeFeeTierArgs, accounts: InitializeFeeTierAccounts, programAddress: Address = PROGRAM_ID ) { const keys: Array<IAccountMeta | IAccountSignerMeta> = [ { address: accounts.config, role: 0 }, { address: accounts.feeTier, role: 1 }, { address: accounts.funder.address, role: 3, signer: accounts.funder }, { address: accounts.feeAuthority.address, role: 2, signer: accounts.feeAuthority, }, { address: accounts.systemProgram, role: 0 }, ] const identifier = Buffer.from([183, 74, 156, 160, 112, 2, 42, 30]) const buffer = Buffer.alloc(1000) const len = layout.encode( { tickSpacing: args.tickSpacing, defaultFeeRate: args.defaultFeeRate, }, buffer ) const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len) const ix: IInstruction = { accounts: keys, programAddress, data } return ix }