Class TokenExtensionUtil

new TokenExtensionUtil(): TokenExtensionUtil

buildTokenExtensionContext(
    fetcher: WhirlpoolAccountFetcherInterface,
    whirlpoolData: WhirlpoolData,
    opts?: SimpleAccountFetchOptions,
): Promise<TokenExtensionContext>

buildTokenExtensionContextForPool(
    fetcher: WhirlpoolAccountFetcherInterface,
    tokenMintA: PublicKey,
    tokenMintB: PublicKey,
    opts?: SimpleAccountFetchOptions,
): Promise<TokenExtensionContextForPool>

calculateTransferFeeExcludedAmount(
    transferFeeIncludedAmount: BN,
    tokenInfo: MintWithTokenProgram,
    currentEpoch: number,
): TransferFeeExcludedAmount

calculateTransferFeeIncludedAmount(
    transferFeeExcludedAmount: BN,
    tokenInfo: MintWithTokenProgram,
    currentEpoch: number,
): TransferFeeIncludedAmount

getExtraAccountMetasForTransferHook(
    connection: Connection,
    tokenMintWithProgram: MintWithTokenProgram,
    source: PublicKey,
    destination: PublicKey,
    owner: PublicKey,
): Promise<undefined | AccountMeta[]>

getExtraAccountMetasForTransferHookForPool(
    connection: Connection,
    tokenExtensionCtx: TokenExtensionContextForPool,
    sourceA: PublicKey,
    destinationA: PublicKey,
    ownerA: PublicKey,
    sourceB: PublicKey,
    destinationB: PublicKey,
    ownerB: PublicKey,
): Promise<
    {
        tokenTransferHookAccountsA: undefined
        | AccountMeta[];
        tokenTransferHookAccountsB: undefined | AccountMeta[];
    },
>

isV2IxRequiredPool(tokenExtensionCtx: TokenExtensionContextForPool): boolean

isV2IxRequiredReward(
    tokenExtensionCtx: TokenExtensionContextForReward,
    rewardIndex: number,
): boolean