@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
105 lines (94 loc) • 3.26 kB
text/typescript
import { PublicKey } from "@solana/web3.js" // eslint-disable-line @typescript-eslint/no-unused-vars
import BN from "bn.js" // eslint-disable-line @typescript-eslint/no-unused-vars
import * as types from "../types" // eslint-disable-line @typescript-eslint/no-unused-vars
import * as borsh from "@coral-xyz/borsh"
export interface ReserveCollateralFields {
/** Reserve collateral mint address */
mintPubkey: PublicKey
/** Reserve collateral mint supply, used for exchange rate */
mintTotalSupply: BN
/** Reserve collateral supply address */
supplyVault: PublicKey
padding1: Array<BN>
padding2: Array<BN>
}
export interface ReserveCollateralJSON {
/** Reserve collateral mint address */
mintPubkey: string
/** Reserve collateral mint supply, used for exchange rate */
mintTotalSupply: string
/** Reserve collateral supply address */
supplyVault: string
padding1: Array<string>
padding2: Array<string>
}
/** Reserve collateral */
export class ReserveCollateral {
/** Reserve collateral mint address */
readonly mintPubkey: PublicKey
/** Reserve collateral mint supply, used for exchange rate */
readonly mintTotalSupply: BN
/** Reserve collateral supply address */
readonly supplyVault: PublicKey
readonly padding1: Array<BN>
readonly padding2: Array<BN>
constructor(fields: ReserveCollateralFields) {
this.mintPubkey = fields.mintPubkey
this.mintTotalSupply = fields.mintTotalSupply
this.supplyVault = fields.supplyVault
this.padding1 = fields.padding1
this.padding2 = fields.padding2
}
static layout(property?: string) {
return borsh.struct(
[
borsh.publicKey("mintPubkey"),
borsh.u64("mintTotalSupply"),
borsh.publicKey("supplyVault"),
borsh.array(borsh.u128(), 32, "padding1"),
borsh.array(borsh.u128(), 32, "padding2"),
],
property
)
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
static fromDecoded(obj: any) {
return new ReserveCollateral({
mintPubkey: obj.mintPubkey,
mintTotalSupply: obj.mintTotalSupply,
supplyVault: obj.supplyVault,
padding1: obj.padding1,
padding2: obj.padding2,
})
}
static toEncodable(fields: ReserveCollateralFields) {
return {
mintPubkey: fields.mintPubkey,
mintTotalSupply: fields.mintTotalSupply,
supplyVault: fields.supplyVault,
padding1: fields.padding1,
padding2: fields.padding2,
}
}
toJSON(): ReserveCollateralJSON {
return {
mintPubkey: this.mintPubkey.toString(),
mintTotalSupply: this.mintTotalSupply.toString(),
supplyVault: this.supplyVault.toString(),
padding1: this.padding1.map((item) => item.toString()),
padding2: this.padding2.map((item) => item.toString()),
}
}
static fromJSON(obj: ReserveCollateralJSON): ReserveCollateral {
return new ReserveCollateral({
mintPubkey: new PublicKey(obj.mintPubkey),
mintTotalSupply: new BN(obj.mintTotalSupply),
supplyVault: new PublicKey(obj.supplyVault),
padding1: obj.padding1.map((item) => new BN(item)),
padding2: obj.padding2.map((item) => new BN(item)),
})
}
toEncodable() {
return ReserveCollateral.toEncodable(this)
}
}