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@hiero-ledger/sdk

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// SPDX-License-Identifier: Apache-2.0 import TokenId from "./TokenId.js"; import AccountId from "../account/AccountId.js"; import Duration from "../Duration.js"; import Timestamp from "../Timestamp.js"; import Long from "long"; import * as HieroProto from "@hashgraph/proto"; import TokenType from "./TokenType.js"; import TokenSupplyType from "./TokenSupplyType.js"; import CustomFixedFee from "./CustomFixedFee.js"; import CustomFractionalFee from "./CustomFractionalFee.js"; import CustomRoyaltyFee from "./CustomRoyaltyFee.js"; import Key from "../Key.js"; import LedgerId from "../LedgerId.js"; /** * @typedef {import("./CustomFee.js").default} CustomFee */ /** * Response when the client sends the node TokenGetInfoQuery. */ export default class TokenInfo { /** * @private * @param {object} props * @param {TokenId} props.tokenId; * @param {string} props.name; * @param {string} props.symbol; * @param {number} props.decimals; * @param {Long} props.totalSupply; * @param {AccountId | null} props.treasuryAccountId; * @param {Key | null} props.adminKey; * @param {Key | null} props.kycKey; * @param {Key | null} props.freezeKey; * @param {Key | null} props.pauseKey; * @param {Key | null} props.wipeKey; * @param {Key | null} props.supplyKey; * @param {Key | null} props.feeScheduleKey; * @param {boolean | null} props.defaultFreezeStatus; * @param {boolean | null} props.defaultKycStatus; * @param {boolean | null} props.pauseStatus; * @param {boolean} props.isDeleted; * @param {AccountId | null} props.autoRenewAccountId; * @param {Duration | null} props.autoRenewPeriod; * @param {Timestamp | null} props.expirationTime; * @param {string} props.tokenMemo; * @param {CustomFee[]} props.customFees; * @param {TokenType | null} props.tokenType; * @param {TokenSupplyType | null} props.supplyType; * @param {Long | null} props.maxSupply; * @param {LedgerId|null} props.ledgerId; * @param {Key | null} props.metadataKey; * @param {Uint8Array | null} props.metadata; */ constructor(props) { /** * ID of the token instance * * @readonly */ this.tokenId = props.tokenId; /** * The name of the token. It is a string of ASCII only characters * * @readonly */ this.name = props.name; /** * The symbol of the token. It is a UTF-8 capitalized alphabetical string * * @readonly */ this.symbol = props.symbol; /** * The number of decimal places a token is divisible by * * @readonly */ this.decimals = props.decimals; /** * The total supply of tokens that are currently in circulation * * @readonly */ this.totalSupply = props.totalSupply; /** * The ID of the account which is set as treasuryAccountId * * @readonly */ this.treasuryAccountId = props.treasuryAccountId; /** * The key which can perform update/delete operations on the token. If empty, the token can be perceived as * immutable (not being able to be updated/deleted) * * @readonly */ this.adminKey = props.adminKey; /** * The key which can grant or revoke KYC of an account for the token's transactions. If empty, KYC is not required, * and KYC grant or revoke operations are not possible. * * @readonly */ this.kycKey = props.kycKey; /** * The key which can freeze or unfreeze an account for token transactions. If empty, freezing is not possible * * @readonly */ this.freezeKey = props.freezeKey; /** * The Key which can pause and unpause the Token. * * @readonly */ this.pauseKey = props.pauseKey; /** * The key which can wipe token balance of an account. If empty, wipe is not possible * * @readonly */ this.wipeKey = props.wipeKey; /** * The key which can change the supply of a token. The key is used to sign Token Mint/Burn operations * * @readonly */ this.supplyKey = props.supplyKey; this.feeScheduleKey = props.feeScheduleKey; /** * The default Freeze status (not applicable = null, frozen = false, or unfrozen = true) of Hedera accounts relative to this token. * FreezeNotApplicable is returned if Token Freeze Key is empty. Frozen is returned if Token Freeze Key is set and * defaultFreeze is set to true. Unfrozen is returned if Token Freeze Key is set and defaultFreeze is set to false * FreezeNotApplicable = null; * Frozen = true; * Unfrozen = false; * * @readonly */ this.defaultFreezeStatus = props.defaultFreezeStatus; /** * The default KYC status (KycNotApplicable or Revoked) of Hedera accounts relative to this token. KycNotApplicable * is returned if KYC key is not set, otherwise Revoked * KycNotApplicable = null; * Granted = true; * Revoked = false; * * @readonly */ this.defaultKycStatus = props.defaultKycStatus; /** * The default pause status of Hedera accounts relative to this token. * PauseNotApplicable is returned if pauseKey is not set * PauseNotApplicable = null; * Paused = true; * Unpaused = false; * * @readonly */ this.pauseStatus = props.pauseStatus; /** * Specifies whether the token was deleted or not * * @readonly */ this.isDeleted = props.isDeleted; /** * An account which will be automatically charged to renew the token's expiration, at autoRenewPeriod interval * * @readonly */ this.autoRenewAccountId = props.autoRenewAccountId; /** * The interval at which the auto-renew account will be charged to extend the token's expiry * * @readonly */ this.autoRenewPeriod = props.autoRenewPeriod; /** * The epoch second at which the token expire: will; if an auto-renew account and period are specified, * this is coerced to the current epoch second plus the autoRenewPeriod * * @readonly */ this.expirationTime = props.expirationTime; /** * The memo associated with the token. * * @readonly */ this.tokenMemo = props.tokenMemo; this.customFees = props.customFees; this.tokenType = props.tokenType; this.supplyType = props.supplyType; this.maxSupply = props.maxSupply; this.ledgerId = props.ledgerId; /** * @description The key which can change the metadata of a token (token definition and individual NFTs). * * @readonly */ this.metadataKey = props.metadataKey; /** * @description Metadata of the created token definition. * @readonly */ this.metadata = props.metadata; } /** * @internal * @param {HieroProto.proto.ITokenInfo} info * @returns {TokenInfo} */ static _fromProtobuf(info) { const defaultFreezeStatus = /** @type {HieroProto.proto.TokenFreezeStatus} */ ( info.defaultFreezeStatus ); const defaultKycStatus = /** @type {HieroProto.proto.TokenKycStatus} */ ( info.defaultKycStatus ); const pauseStatus = /**@type {HieroProto.proto.TokenPauseStatus} */ ( info.pauseStatus ); const autoRenewAccountId = info.autoRenewAccount != null ? AccountId._fromProtobuf(info.autoRenewAccount) : new AccountId(0); return new TokenInfo({ tokenId: TokenId._fromProtobuf( /** @type {HieroProto.proto.ITokenID} */ (info.tokenId), ), name: /** @type {string} */ (info.name), symbol: /** @type {string} */ (info.symbol), decimals: /** @type {number} */ (info.decimals), totalSupply: Long.fromValue(/** @type {Long} */ (info.totalSupply)), treasuryAccountId: info.treasury != null ? AccountId._fromProtobuf( /** @type {HieroProto.proto.IAccountID} */ ( info.treasury ), ) : null, adminKey: info.adminKey != null ? Key._fromProtobufKey(info.adminKey) : null, kycKey: info.kycKey != null ? Key._fromProtobufKey(info.kycKey) : null, freezeKey: info.freezeKey != null ? Key._fromProtobufKey(info.freezeKey) : null, pauseKey: info.pauseKey != null ? Key._fromProtobufKey(info.pauseKey) : null, wipeKey: info.wipeKey != null ? Key._fromProtobufKey(info.wipeKey) : null, supplyKey: info.supplyKey != null ? Key._fromProtobufKey(info.supplyKey) : null, feeScheduleKey: info.feeScheduleKey != null ? Key._fromProtobufKey(info.feeScheduleKey) : null, defaultFreezeStatus: defaultFreezeStatus === 0 ? null : defaultFreezeStatus == 1, defaultKycStatus: defaultKycStatus === 0 ? null : defaultKycStatus == 1, pauseStatus: pauseStatus === 0 ? null : pauseStatus == 1, isDeleted: /** @type {boolean} */ (info.deleted), autoRenewAccountId: !( autoRenewAccountId.shard.toInt() == 0 && autoRenewAccountId.realm.toInt() == 0 && autoRenewAccountId.num.toInt() == 0 ) ? autoRenewAccountId : null, autoRenewPeriod: info.autoRenewPeriod != null ? Duration._fromProtobuf( /** @type {HieroProto.proto.IDuration} */ ( info.autoRenewPeriod ), ) : null, expirationTime: info.expiry != null ? Timestamp._fromProtobuf( /** @type {HieroProto.proto.ITimestamp} */ ( info.expiry ), ) : null, tokenMemo: info.memo != null ? info.memo : "", customFees: info.customFees != null ? info.customFees.map((fee) => { if (fee.fixedFee != null) { return CustomFixedFee._fromProtobuf(fee); } else if (fee.fractionalFee != null) { return CustomFractionalFee._fromProtobuf(fee); } else { return CustomRoyaltyFee._fromProtobuf(fee); } }) : [], tokenType: info.tokenType != null ? TokenType._fromCode(info.tokenType) : null, supplyType: info.supplyType != null ? TokenSupplyType._fromCode(info.supplyType) : null, maxSupply: info.maxSupply != null ? info.maxSupply : null, ledgerId: info.ledgerId != null ? LedgerId.fromBytes(info.ledgerId) : null, metadataKey: info.metadataKey != null ? Key._fromProtobufKey(info.metadataKey) : null, metadata: info.metadata != null ? info.metadata : new Uint8Array(), }); } /** * @returns {HieroProto.proto.ITokenInfo} */ _toProtobuf() { return { tokenId: this.tokenId._toProtobuf(), name: this.name, symbol: this.symbol, decimals: this.decimals, totalSupply: this.totalSupply, treasury: this.treasuryAccountId != null ? this.treasuryAccountId._toProtobuf() : null, adminKey: this.adminKey != null ? this.adminKey._toProtobufKey() : null, kycKey: this.kycKey != null ? this.kycKey._toProtobufKey() : null, freezeKey: this.freezeKey != null ? this.freezeKey._toProtobufKey() : null, pauseKey: this.pauseKey != null ? this.pauseKey._toProtobufKey() : null, wipeKey: this.wipeKey != null ? this.wipeKey._toProtobufKey() : null, supplyKey: this.supplyKey != null ? this.supplyKey._toProtobufKey() : null, feeScheduleKey: this.feeScheduleKey != null ? this.feeScheduleKey._toProtobufKey() : null, defaultFreezeStatus: this.defaultFreezeStatus == null ? 0 : this.defaultFreezeStatus ? 1 : 2, defaultKycStatus: this.defaultKycStatus == null ? 0 : this.defaultKycStatus ? 1 : 2, pauseStatus: this.pauseStatus == null ? 0 : this.pauseStatus ? 1 : 2, deleted: this.isDeleted, autoRenewAccount: this.autoRenewAccountId != null ? this.autoRenewAccountId._toProtobuf() : undefined, autoRenewPeriod: this.autoRenewPeriod != null ? this.autoRenewPeriod._toProtobuf() : null, expiry: this.expirationTime != null ? this.expirationTime._toProtobuf() : null, memo: this.tokenMemo, customFees: this.customFees.map((fee) => fee._toProtobuf()), tokenType: this.tokenType != null ? this.tokenType._code : null, supplyType: this.supplyType != null ? this.supplyType._code : null, maxSupply: this.maxSupply, ledgerId: this.ledgerId != null ? this.ledgerId.toBytes() : null, metadataKey: this.metadataKey != null ? this.metadataKey._toProtobufKey() : null, metadata: this.metadata != null ? this.metadata : null, }; } /** * @param {Uint8Array} bytes * @returns {TokenInfo} */ static fromBytes(bytes) { return TokenInfo._fromProtobuf( HieroProto.proto.TokenInfo.decode(bytes), ); } /** * @returns {Uint8Array} */ toBytes() { return HieroProto.proto.TokenInfo.encode(this._toProtobuf()).finish(); } }