@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
73 lines (68 loc) • 2.15 kB
text/typescript
/* 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 SetRewardParamsArgs {
rewardIndex: number
emissionsPerSecondX64: BN
openTime: BN
endTime: BN
}
export interface SetRewardParamsAccounts {
authority: TransactionSigner
ammConfig: Address
poolState: Address
operationState: Address
tokenProgram: Address
tokenProgram2022: Address
}
export const layout = borsh.struct([
borsh.u8("rewardIndex"),
borsh.u128("emissionsPerSecondX64"),
borsh.u64("openTime"),
borsh.u64("endTime"),
])
export function setRewardParams(
args: SetRewardParamsArgs,
accounts: SetRewardParamsAccounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
{
address: accounts.authority.address,
role: 2,
signer: accounts.authority,
},
{ address: accounts.ammConfig, role: 0 },
{ address: accounts.poolState, role: 1 },
{ address: accounts.operationState, role: 0 },
{ address: accounts.tokenProgram, role: 0 },
{ address: accounts.tokenProgram2022, role: 0 },
]
const identifier = Buffer.from([112, 52, 167, 75, 32, 201, 211, 137])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
rewardIndex: args.rewardIndex,
emissionsPerSecondX64: args.emissionsPerSecondX64,
openTime: args.openTime,
endTime: args.endTime,
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}