UNPKG

@kamino-finance/kliquidity-sdk

Version:

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

61 lines (56 loc) 1.82 kB
/* 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 SetRewardEmissionsArgs { rewardIndex: number emissionsPerSecondX64: BN } export interface SetRewardEmissionsAccounts { whirlpool: Address rewardAuthority: TransactionSigner rewardVault: Address } export const layout = borsh.struct([ borsh.u8("rewardIndex"), borsh.u128("emissionsPerSecondX64"), ]) export function setRewardEmissions( args: SetRewardEmissionsArgs, accounts: SetRewardEmissionsAccounts, programAddress: Address = PROGRAM_ID ) { const keys: Array<IAccountMeta | IAccountSignerMeta> = [ { address: accounts.whirlpool, role: 1 }, { address: accounts.rewardAuthority.address, role: 2, signer: accounts.rewardAuthority, }, { address: accounts.rewardVault, role: 0 }, ] const identifier = Buffer.from([13, 197, 86, 168, 109, 176, 27, 244]) const buffer = Buffer.alloc(1000) const len = layout.encode( { rewardIndex: args.rewardIndex, emissionsPerSecondX64: args.emissionsPerSecondX64, }, buffer ) const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len) const ix: IInstruction = { accounts: keys, programAddress, data } return ix }