41 lines
1.0 KiB
JavaScript
41 lines
1.0 KiB
JavaScript
'use strict';
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var Transform = require('stream').Transform;
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var inherits = require('util').inherits;
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var bitcore = require('bitcore-lib');
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var encodingUtil = require('../encoding');
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var $ = bitcore.util.preconditions;
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function InputsTransformStream(options) {
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$.checkArgument(options.address instanceof bitcore.Address);
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Transform.call(this, {
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objectMode: true
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});
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this._address = options.address;
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this._addressStr = this._address.toString();
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this._tipHeight = options.tipHeight;
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}
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inherits(InputsTransformStream, Transform);
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InputsTransformStream.prototype._transform = function(chunk, encoding, callback) {
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var self = this;
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var key = encodingUtil.decodeInputKey(chunk.key);
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var value = encodingUtil.decodeInputValue(chunk.value);
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var input = {
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address: this._addressStr,
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hashType: this._address.type,
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txid: value.txid.toString('hex'),
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inputIndex: value.inputIndex,
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height: key.height,
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confirmations: this._tipHeight - key.height + 1
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};
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self.push(input);
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callback();
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};
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module.exports = InputsTransformStream;
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