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Текущая директория: /opt/BitGoJS/modules/sdk-coin-hbar/dist/src/lib

Просмотр файла: tokenTransferBuilder.js

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.TokenTransferBuilder = void 0;
const Long = __importStar(require("long"));
const sdk_core_1 = require("@bitgo/sdk-core");
const transferBuilder_1 = require("./transferBuilder");
const utils_1 = require("./utils");
const bignumber_js_1 = require("bignumber.js");
class TokenTransferBuilder extends transferBuilder_1.TransferBuilder {
    constructor(_coinConfig) {
        super(_coinConfig);
    }
    /** @inheritdoc */
    async buildImplementation() {
        this._txBodyData.tokenTransfers = this.buildTokenTransferData(); // set to list by the contract
        return await super.buildImplementation();
    }
    buildTokenTransferData() {
        let tokenTransferAmount = new bignumber_js_1.BigNumber(0); // total send amount for each token
        const tokenId = (0, utils_1.getHederaTokenIdFromName)(this._tokenName);
        const tokenTransferData = [
            {
                accountID: (0, utils_1.buildHederaAccountID)(this._source.address),
                amount: Long.fromInt(0),
            },
        ];
        this._recipients.forEach((recipient) => {
            tokenTransferAmount = tokenTransferAmount.plus(recipient.amount);
            tokenTransferData.push({ accountID: (0, utils_1.buildHederaAccountID)(recipient.address), amount: Long.fromString(recipient.amount) } // recipient
            );
        });
        tokenTransferData[0].amount = Long.fromString(tokenTransferAmount.toString()).negate(); // update sender send amount
        return [
            {
                token: (0, utils_1.buildHederaTokenID)(tokenId),
                transfers: tokenTransferData,
            },
        ];
    }
    /** @inheritdoc */
    initBuilder(tx) {
        super.initBuilder(tx);
        const transferData = tx.txBody.cryptoTransfer;
        if ((0, utils_1.isTokenTransfer)(transferData)) {
            this.initTokenTransfers(transferData.tokenTransfers);
        }
    }
    /**
     * Initialize the transfer specific data, getting the recipient account
     * represented by the element with a positive amount on the transfer element.
     * The negative amount represents the source account so it's ignored.
     *
     * @param {proto.IAccountAmount[]} transfers array of objects which contains accountID and transferred amount
     */
    initTokenTransfers(tokenTransfers) {
        tokenTransfers.forEach((tokenTransfer) => {
            if (!tokenTransfer.token) {
                throw new sdk_core_1.BuildTransactionError('Invalid transaction: missing token id');
            }
            if (!tokenTransfer.transfers) {
                throw new sdk_core_1.BuildTransactionError('Invalid transaction: missing transfer data');
            }
            const token = (0, utils_1.getHederaTokenNameFromId)((0, utils_1.stringifyTokenId)(tokenTransfer.token));
            if (!token) {
                throw new sdk_core_1.BuildTransactionError('Invalid transaction: invalid token id');
            }
            tokenTransfer.transfers.forEach((transferData) => {
                const amount = Long.fromValue(transferData.amount);
                if (amount.isPositive()) {
                    this.send({
                        address: (0, utils_1.stringifyAccountId)(transferData.accountID),
                        amount: amount.toString(),
                        tokenName: token.name,
                    });
                }
            });
        });
    }
    // region Transfer fields
    /** @inheritdoc */
    send(recipient) {
        if (!recipient.tokenName) {
            throw new sdk_core_1.InvalidParameterValueError('Invalid missing token name');
        }
        const tokenId = (0, utils_1.getHederaTokenIdFromName)(recipient.tokenName);
        if (!tokenId) {
            throw new sdk_core_1.InvalidParameterValueError(`Invalid token name: ${recipient.tokenName}`);
        }
        if (this._tokenName && this._tokenName !== recipient.tokenName) {
            throw new sdk_core_1.InvalidParameterValueError(`Invalid token: received ${recipient.tokenName} for ${this._tokenName} tx`);
        }
        this._tokenName = recipient.tokenName;
        return super.send(recipient);
    }
}
exports.TokenTransferBuilder = TokenTransferBuilder;
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// currently only support 1 token/transfer\n\n  constructor(_coinConfig: Readonly<CoinConfig>) {\n    super(_coinConfig);\n  }\n\n  /** @inheritdoc */\n  protected async buildImplementation(): Promise<Transaction> {\n    this._txBodyData.tokenTransfers = this.buildTokenTransferData(); // set to list by the contract\n    return await super.buildImplementation();\n  }\n\n  private buildTokenTransferData(): proto.ITokenTransferList[] {\n    let tokenTransferAmount = new BigNumber(0); // total send amount for each token\n    const tokenId = getHederaTokenIdFromName(this._tokenName);\n    const tokenTransferData: proto.IAccountAmount[] = [\n      {\n        accountID: buildHederaAccountID(this._source.address),\n        amount: Long.fromInt(0),\n      },\n    ];\n\n    this._recipients.forEach((recipient) => {\n      tokenTransferAmount = tokenTransferAmount.plus(recipient.amount);\n      tokenTransferData.push(\n        { accountID: buildHederaAccountID(recipient.address), amount: Long.fromString(recipient.amount) } // recipient\n      );\n    });\n    tokenTransferData[0].amount = Long.fromString(tokenTransferAmount.toString()).negate(); // update sender send amount\n\n    return [\n      {\n        token: buildHederaTokenID(tokenId!),\n        transfers: tokenTransferData,\n      },\n    ];\n  }\n\n  /** @inheritdoc */\n  initBuilder(tx: Transaction): void {\n    super.initBuilder(tx);\n    const transferData = tx.txBody.cryptoTransfer!;\n    if (isTokenTransfer(transferData)) {\n      this.initTokenTransfers(transferData.tokenTransfers!);\n    }\n  }\n\n  /**\n   * Initialize the transfer specific data, getting the recipient account\n   * represented by the element with a positive amount on the transfer element.\n   * The negative amount represents the source account so it's ignored.\n   *\n   * @param {proto.IAccountAmount[]} transfers array of objects which contains accountID and transferred amount\n   */\n  protected initTokenTransfers(tokenTransfers: proto.ITokenTransferList[]): void {\n    tokenTransfers.forEach((tokenTransfer: proto.ITokenTransferList) => {\n      if (!tokenTransfer.token) {\n        throw new BuildTransactionError('Invalid transaction: missing token id');\n      }\n      if (!tokenTransfer.transfers) {\n        throw new BuildTransactionError('Invalid transaction: missing transfer data');\n      }\n\n      const token = getHederaTokenNameFromId(stringifyTokenId(tokenTransfer.token!));\n      if (!token) {\n        throw new BuildTransactionError('Invalid transaction: invalid token id');\n      }\n      tokenTransfer.transfers.forEach((transferData) => {\n        const amount = Long.fromValue(transferData.amount!);\n        if (amount.isPositive()) {\n          this.send({\n            address: stringifyAccountId(transferData.accountID!),\n            amount: amount.toString(),\n            tokenName: token.name,\n          });\n        }\n      });\n    });\n  }\n\n  // region Transfer fields\n  /** @inheritdoc */\n  send(recipient: Recipient): this {\n    if (!recipient.tokenName) {\n      throw new InvalidParameterValueError('Invalid missing token name');\n    }\n    const tokenId = getHederaTokenIdFromName(recipient.tokenName);\n    if (!tokenId) {\n      throw new InvalidParameterValueError(`Invalid token name: ${recipient.tokenName}`);\n    }\n    if (this._tokenName && this._tokenName !== recipient.tokenName) {\n      throw new InvalidParameterValueError(`Invalid token: received ${recipient.tokenName} for ${this._tokenName} tx`);\n    }\n    this._tokenName = recipient.tokenName;\n    return super.send(recipient);\n  }\n  // endregion\n}\n"]}

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