@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
79 lines (73 loc) • 2.93 kB
text/typescript
/* eslint-disable @typescript-eslint/no-unused-vars */
import {
Address,
isSome,
AccountMeta,
AccountSignerMeta,
Instruction,
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 const DISCRIMINATOR = Buffer.from([130, 80, 38, 153, 80, 212, 182, 253])
export interface IdlMissingTypesArgs {
reserveFarmKind: types.ReserveFarmKindKind
assetTier: types.AssetTierKind
feeCalculation: types.FeeCalculationKind
reserveStatus: types.ReserveStatusKind
updateConfigMode: types.UpdateConfigModeKind
updateLendingMarketConfigValue: types.UpdateLendingMarketConfigValueKind
updateLendingMarketConfigMode: types.UpdateLendingMarketModeKind
}
export interface IdlMissingTypesAccounts {
signer: TransactionSigner
globalConfig: Address
lendingMarket: Address
reserve: Address
}
export const layout = borsh.struct([
types.ReserveFarmKind.layout("reserveFarmKind"),
types.AssetTier.layout("assetTier"),
types.FeeCalculation.layout("feeCalculation"),
types.ReserveStatus.layout("reserveStatus"),
types.UpdateConfigMode.layout("updateConfigMode"),
types.UpdateLendingMarketConfigValue.layout("updateLendingMarketConfigValue"),
types.UpdateLendingMarketMode.layout("updateLendingMarketConfigMode"),
])
export function idlMissingTypes(
args: IdlMissingTypesArgs,
accounts: IdlMissingTypesAccounts,
remainingAccounts: Array<AccountMeta | AccountSignerMeta> = [],
programAddress: Address = PROGRAM_ID
) {
const keys: Array<AccountMeta | AccountSignerMeta> = [
{ address: accounts.signer.address, role: 2, signer: accounts.signer },
{ address: accounts.globalConfig, role: 0 },
{ address: accounts.lendingMarket, role: 0 },
{ address: accounts.reserve, role: 1 },
...remainingAccounts,
]
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
reserveFarmKind: args.reserveFarmKind.toEncodable(),
assetTier: args.assetTier.toEncodable(),
feeCalculation: args.feeCalculation.toEncodable(),
reserveStatus: args.reserveStatus.toEncodable(),
updateConfigMode: args.updateConfigMode.toEncodable(),
updateLendingMarketConfigValue:
args.updateLendingMarketConfigValue.toEncodable(),
updateLendingMarketConfigMode:
args.updateLendingMarketConfigMode.toEncodable(),
},
buffer
)
const data = Buffer.concat([DISCRIMINATOR, buffer]).slice(0, 8 + len)
const ix: Instruction = { accounts: keys, programAddress, data }
return ix
}