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Текущая директория: /opt/BitGoJS/modules/utxo-lib/dist/src/bitgo/zcash

Просмотр файла: ZcashTransactionBuilder.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ZcashTransactionBuilder = void 0;
const types = require("bitcoinjs-lib/src/types");
const typeforce = require('typeforce');
const ZcashTransaction_1 = require("./ZcashTransaction");
const UtxoTransactionBuilder_1 = require("../UtxoTransactionBuilder");
const address_1 = require("./address");
class ZcashTransactionBuilder extends UtxoTransactionBuilder_1.UtxoTransactionBuilder {
    constructor(network) {
        super(network);
    }
    createInitialTransaction(network) {
        return new ZcashTransaction_1.ZcashTransaction(network);
    }
    static fromTransaction(transaction, network, prevOutput) {
        const txb = new ZcashTransactionBuilder(transaction.network);
        // Copy transaction fields
        txb.setVersion(transaction.version, !!transaction.overwintered);
        txb.setLockTime(transaction.locktime);
        // Copy Zcash overwinter fields. Omitted if the transaction builder is not for Zcash.
        if (txb.tx.isOverwinterCompatible()) {
            txb.setVersionGroupId(transaction.versionGroupId);
            txb.setExpiryHeight(transaction.expiryHeight);
        }
        txb.setConsensusBranchId(transaction.consensusBranchId);
        // Copy outputs (done first to avoid signature invalidation)
        transaction.outs.forEach(function (txOut) {
            txb.addOutput(txOut.script, txOut.value);
        });
        // Copy inputs
        transaction.ins.forEach(function (txIn) {
            txb.__addInputUnsafe(txIn.hash, txIn.index, {
                sequence: txIn.sequence,
                script: txIn.script,
                witness: txIn.witness,
                value: txIn.value,
            });
        });
        return txb;
    }
    setVersion(version, overwinter = true) {
        typeforce(types.UInt32, version);
        this.tx.overwintered = overwinter ? 1 : 0;
        this.tx.version = version;
    }
    setDefaultsForVersion(network, version) {
        switch (version) {
            case 4:
            case ZcashTransaction_1.ZcashTransaction.VERSION4_BRANCH_CANOPY:
            case ZcashTransaction_1.ZcashTransaction.VERSION4_BRANCH_NU5:
            case ZcashTransaction_1.ZcashTransaction.VERSION4_BRANCH_NU6:
                this.setVersion(4);
                break;
            case 5:
            case ZcashTransaction_1.ZcashTransaction.VERSION5_BRANCH_NU5:
            case ZcashTransaction_1.ZcashTransaction.VERSION5_BRANCH_NU6:
                this.setVersion(5);
                break;
            default:
                throw new Error(`invalid version ${version}`);
        }
        this.tx.versionGroupId = (0, ZcashTransaction_1.getDefaultVersionGroupIdForVersion)(version);
        this.tx.consensusBranchId = (0, ZcashTransaction_1.getDefaultConsensusBranchIdForVersion)(network, version);
    }
    hasSignatures() {
        return this.__INPUTS.some(function (input) {
            return input.signatures !== undefined;
        });
    }
    setPropertyCheckSignatures(propName, value) {
        if (this.tx[propName] === value) {
            return;
        }
        if (this.hasSignatures()) {
            throw new Error(`Changing property ${propName} for a partially signed transaction would invalidate signatures`);
        }
        this.tx[propName] = value;
    }
    setConsensusBranchId(consensusBranchId) {
        typeforce(types.UInt32, consensusBranchId);
        this.setPropertyCheckSignatures('consensusBranchId', consensusBranchId);
    }
    setVersionGroupId(versionGroupId) {
        typeforce(types.UInt32, versionGroupId);
        this.setPropertyCheckSignatures('versionGroupId', versionGroupId);
    }
    setExpiryHeight(expiryHeight) {
        typeforce(types.UInt32, expiryHeight);
        this.setPropertyCheckSignatures('expiryHeight', expiryHeight);
    }
    build() {
        return super.build();
    }
    buildIncomplete() {
        return super.buildIncomplete();
    }
    addOutput(scriptPubKey, value) {
        // Attempt to get a script if it's a base58 or bech32 address string
        if (typeof scriptPubKey === 'string') {
            scriptPubKey = (0, address_1.toOutputScript)(scriptPubKey, this.network);
        }
        return super.addOutput(scriptPubKey, value);
    }
}
exports.ZcashTransactionBuilder = ZcashTransactionBuilder;
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Omitted if the transaction builder is not for Zcash.\n    if (txb.tx.isOverwinterCompatible()) {\n      txb.setVersionGroupId(transaction.versionGroupId);\n      txb.setExpiryHeight(transaction.expiryHeight);\n    }\n\n    txb.setConsensusBranchId(transaction.consensusBranchId);\n\n    // Copy outputs (done first to avoid signature invalidation)\n    transaction.outs.forEach(function (txOut) {\n      txb.addOutput(txOut.script, txOut.value);\n    });\n\n    // Copy inputs\n    transaction.ins.forEach(function (txIn) {\n      (txb as any).__addInputUnsafe(txIn.hash, txIn.index, {\n        sequence: txIn.sequence,\n        script: txIn.script,\n        witness: txIn.witness,\n        value: (txIn as any).value,\n      });\n    });\n\n    return txb;\n  }\n\n  setVersion(version: number, overwinter = true): void {\n    typeforce(types.UInt32, version);\n    this.tx.overwintered = overwinter ? 1 : 0;\n    this.tx.version = version;\n  }\n\n  setDefaultsForVersion(network: Network, version: number): void {\n    switch (version) {\n      case 4:\n      case ZcashTransaction.VERSION4_BRANCH_CANOPY:\n      case ZcashTransaction.VERSION4_BRANCH_NU5:\n      case ZcashTransaction.VERSION4_BRANCH_NU6:\n        this.setVersion(4);\n        break;\n      case 5:\n      case ZcashTransaction.VERSION5_BRANCH_NU5:\n      case ZcashTransaction.VERSION5_BRANCH_NU6:\n        this.setVersion(5);\n        break;\n      default:\n        throw new Error(`invalid version ${version}`);\n    }\n\n    this.tx.versionGroupId = getDefaultVersionGroupIdForVersion(version);\n    this.tx.consensusBranchId = getDefaultConsensusBranchIdForVersion(network, version);\n  }\n\n  private hasSignatures(): boolean {\n    return (this as any).__INPUTS.some(function (input: { signatures: unknown }) {\n      return input.signatures !== undefined;\n    });\n  }\n\n  private setPropertyCheckSignatures(propName: keyof ZcashTransaction<TNumber>, value: unknown) {\n    if (this.tx[propName] === value) {\n      return;\n    }\n    if (this.hasSignatures()) {\n      throw new Error(`Changing property ${propName} for a partially signed transaction would invalidate signatures`);\n    }\n    this.tx[propName] = value as any;\n  }\n\n  setConsensusBranchId(consensusBranchId: number): void {\n    typeforce(types.UInt32, consensusBranchId);\n    this.setPropertyCheckSignatures('consensusBranchId', consensusBranchId);\n  }\n\n  setVersionGroupId(versionGroupId: number): void {\n    typeforce(types.UInt32, versionGroupId);\n    this.setPropertyCheckSignatures('versionGroupId', versionGroupId);\n  }\n\n  setExpiryHeight(expiryHeight: number): void {\n    typeforce(types.UInt32, expiryHeight);\n    this.setPropertyCheckSignatures('expiryHeight', expiryHeight);\n  }\n\n  build(): ZcashTransaction<TNumber> {\n    return super.build() as ZcashTransaction<TNumber>;\n  }\n\n  buildIncomplete(): ZcashTransaction<TNumber> {\n    return super.buildIncomplete() as ZcashTransaction<TNumber>;\n  }\n\n  addOutput(scriptPubKey: string | Buffer, value: TNumber): number {\n    // Attempt to get a script if it's a base58 or bech32 address string\n    if (typeof scriptPubKey === 'string') {\n      scriptPubKey = toOutputScript(scriptPubKey, this.network as Network);\n    }\n\n    return super.addOutput(scriptPubKey, value);\n  }\n}\n"]}

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