Morphit Team
24240cef4c
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50 lines
1.7 KiB
JavaScript
50 lines
1.7 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.EncryptedMemoDeserializer = void 0;
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const crypto_1 = require("../crypto");
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// The package's Node entry point still calls deprecated `Buffer()`; this build has the same API.
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const RuntimeByteBuffer = require('bytebuffer/dist/bytebuffer');
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const PublicKeyDeserializer = (buf) => {
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const c = fixed_buf(buf, 33);
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return crypto_1.PublicKey.fromBuffer(c);
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};
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const UInt64Deserializer = (b) => b.readUint64();
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const UInt32Deserializer = (b) => b.readUint32();
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const BinaryDeserializer = (b) => {
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const len = b.readVarint32();
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const b_copy = b.copy(b.offset, b.offset + len);
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b.skip(len);
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return Buffer.from(b_copy.toBinary(), 'binary');
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};
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const BufferDeserializer = (keyDeserializers) => (buf) => {
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const obj = {};
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for (const [key, deserializer] of keyDeserializers) {
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try {
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// Decodes a binary encoded string to a ByteBuffer.
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buf = RuntimeByteBuffer.fromBinary(buf.toString('binary'), RuntimeByteBuffer.LITTLE_ENDIAN);
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obj[key] = deserializer(buf);
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}
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catch (error) {
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error.message = `${key}: ${error.message}`;
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throw error;
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}
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}
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return obj;
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};
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const fixed_buf = (b, len) => {
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if (!b) {
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throw Error('No buffer found on first parameter');
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}
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else {
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const b_copy = b.copy(b.offset, b.offset + len);
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b.skip(len);
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return Buffer.from(b_copy.toBinary(), 'binary');
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}
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};
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exports.EncryptedMemoDeserializer = BufferDeserializer([
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['from', PublicKeyDeserializer],
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['to', PublicKeyDeserializer],
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['nonce', UInt64Deserializer],
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['check', UInt32Deserializer],
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['encrypted', BinaryDeserializer]
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]);
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