@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
110 lines (105 loc) • 3.58 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 TwoHopSwapArgs {
amount: BN
otherAmountThreshold: BN
amountSpecifiedIsInput: boolean
aToBOne: boolean
aToBTwo: boolean
sqrtPriceLimitOne: BN
sqrtPriceLimitTwo: BN
}
export interface TwoHopSwapAccounts {
tokenProgram: Address
tokenAuthority: TransactionSigner
whirlpoolOne: Address
whirlpoolTwo: Address
tokenOwnerAccountOneA: Address
tokenVaultOneA: Address
tokenOwnerAccountOneB: Address
tokenVaultOneB: Address
tokenOwnerAccountTwoA: Address
tokenVaultTwoA: Address
tokenOwnerAccountTwoB: Address
tokenVaultTwoB: Address
tickArrayOne0: Address
tickArrayOne1: Address
tickArrayOne2: Address
tickArrayTwo0: Address
tickArrayTwo1: Address
tickArrayTwo2: Address
oracleOne: Address
oracleTwo: Address
}
export const layout = borsh.struct([
borsh.u64("amount"),
borsh.u64("otherAmountThreshold"),
borsh.bool("amountSpecifiedIsInput"),
borsh.bool("aToBOne"),
borsh.bool("aToBTwo"),
borsh.u128("sqrtPriceLimitOne"),
borsh.u128("sqrtPriceLimitTwo"),
])
export function twoHopSwap(
args: TwoHopSwapArgs,
accounts: TwoHopSwapAccounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
{ address: accounts.tokenProgram, role: 0 },
{
address: accounts.tokenAuthority.address,
role: 2,
signer: accounts.tokenAuthority,
},
{ address: accounts.whirlpoolOne, role: 1 },
{ address: accounts.whirlpoolTwo, role: 1 },
{ address: accounts.tokenOwnerAccountOneA, role: 1 },
{ address: accounts.tokenVaultOneA, role: 1 },
{ address: accounts.tokenOwnerAccountOneB, role: 1 },
{ address: accounts.tokenVaultOneB, role: 1 },
{ address: accounts.tokenOwnerAccountTwoA, role: 1 },
{ address: accounts.tokenVaultTwoA, role: 1 },
{ address: accounts.tokenOwnerAccountTwoB, role: 1 },
{ address: accounts.tokenVaultTwoB, role: 1 },
{ address: accounts.tickArrayOne0, role: 1 },
{ address: accounts.tickArrayOne1, role: 1 },
{ address: accounts.tickArrayOne2, role: 1 },
{ address: accounts.tickArrayTwo0, role: 1 },
{ address: accounts.tickArrayTwo1, role: 1 },
{ address: accounts.tickArrayTwo2, role: 1 },
{ address: accounts.oracleOne, role: 0 },
{ address: accounts.oracleTwo, role: 0 },
]
const identifier = Buffer.from([195, 96, 237, 108, 68, 162, 219, 230])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
amount: args.amount,
otherAmountThreshold: args.otherAmountThreshold,
amountSpecifiedIsInput: args.amountSpecifiedIsInput,
aToBOne: args.aToBOne,
aToBTwo: args.aToBTwo,
sqrtPriceLimitOne: args.sqrtPriceLimitOne,
sqrtPriceLimitTwo: args.sqrtPriceLimitTwo,
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}