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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@solana/spl-token/lib/esm/extensions/transferFee
Просмотр файла: state.mjs
import { struct, u16 } from '@solana/buffer-layout';
import { publicKey, u64 } from '@solana/buffer-layout-utils';
import { ExtensionType, getExtensionData } from './../extensionType.mjs';
export const MAX_FEE_BASIS_POINTS = 10000;
export const ONE_IN_BASIS_POINTS = MAX_FEE_BASIS_POINTS;
/** Buffer layout for de/serializing a transfer fee */
export function transferFeeLayout(property) {
return struct([u64('epoch'), u64('maximumFee'), u16('transferFeeBasisPoints')], property);
}
/** Buffer layout for de/serializing a transfer fee config extension */
export const TransferFeeConfigLayout = struct([
publicKey('transferFeeConfigAuthority'),
publicKey('withdrawWithheldAuthority'),
u64('withheldAmount'),
transferFeeLayout('olderTransferFee'),
transferFeeLayout('newerTransferFee'),
]);
export const TRANSFER_FEE_CONFIG_SIZE = TransferFeeConfigLayout.span;
/** Buffer layout for de/serializing */
export const TransferFeeAmountLayout = struct([u64('withheldAmount')]);
export const TRANSFER_FEE_AMOUNT_SIZE = TransferFeeAmountLayout.span;
export function getTransferFeeConfig(mint) {
const extensionData = getExtensionData(ExtensionType.TransferFeeConfig, mint.tlvData);
if (extensionData !== null) {
return TransferFeeConfigLayout.decode(extensionData);
}
else {
return null;
}
}
export function getTransferFeeAmount(account) {
const extensionData = getExtensionData(ExtensionType.TransferFeeAmount, account.tlvData);
if (extensionData !== null) {
return TransferFeeAmountLayout.decode(extensionData);
}
else {
return null;
}
}
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