txho/src/bundle/txo.ts

Get a Bitcoin transaction as JSON for CLI and node

// Cloned from https://github.com/interplanaria/txo/blob/master/index.js to remove hashbang and unneeded promise. Licence: https://github.com/interplanaria/txo/blob/master/LICENSE
// @ts-nocheck

import * as bsv from 'bsv'

export const fromTx = function(transaction, options) {
	let gene = new bsv.Transaction(transaction)
	let t = gene.toObject()
	let result = []
	let inputs = []
	let outputs = []
	let graph = {}
	if (gene.inputs) {
		gene.inputs.forEach(function(input, input_index) {
			if (input.script) {
				let xput = {i: input_index, seq: input.sequenceNumber}
				input.script.chunks.forEach(function(c, chunk_index) {
					let chunk = c
					if (c.buf) {
						if (c.buf.byteLength >= 1000000) {
							xput['xlb' + chunk_index] = c.buf.toString('base64')
						} else if (c.buf.byteLength >= 512 && c.buf.byteLength < 1000000) {
							xput['lb' + chunk_index] = c.buf.toString('base64')
						} else {
							xput['b' + chunk_index] = c.buf.toString('base64')
						}
						if (options && options.h && options.h > 0) {
							xput['h' + chunk_index] = c.buf.toString('hex')
						}
					} else {
						if (typeof c.opcodenum !== 'undefined') {
							xput['b' + chunk_index] = {
								op: c.opcodenum,
							}
						} else {
							xput['b' + chunk_index] = c
						}
					}
				})
				let sender = {
					h: input.prevTxId.toString('hex'),
					i: input.outputIndex,
				}
				let address = input.script.toAddress(bsv.Networks.livenet).toString()
				if (address && address.length > 0) {
					sender.a = address
				}
				xput.e = sender
				inputs.push(xput)
			}
		})
	}
	if (gene.outputs) {
		gene.outputs.forEach(function(output, output_index) {
			if (output.script) {
				let xput = {i: output_index}
				output.script.chunks.forEach(function(c, chunk_index) {
					let chunk = c
					if (c.buf) {
						if (c.buf.byteLength >= 1000000) {
							xput['xlb' + chunk_index] = c.buf.toString('base64')
							xput['xls' + chunk_index] = c.buf.toString('utf8')
						} else if (c.buf.byteLength >= 512 && c.buf.byteLength < 1000000) {
							xput['lb' + chunk_index] = c.buf.toString('base64')
							xput['ls' + chunk_index] = c.buf.toString('utf8')
						} else {
							xput['b' + chunk_index] = c.buf.toString('base64')
							xput['s' + chunk_index] = c.buf.toString('utf8')
						}
						if (options && options.h && options.h > 0) {
							xput['h' + chunk_index] = c.buf.toString('hex')
						}
					} else {
						if (typeof c.opcodenum !== 'undefined') {
							xput['b' + chunk_index] = {
								op: c.opcodenum,
							}
						} else {
							xput['b' + chunk_index] = c
						}
					}
				})
				let receiver = {
					v: output.satoshis,
					i: output_index,
				}
				let address = output.script.toAddress(bsv.Networks.livenet).toString()
				if (address && address.length > 0) {
					receiver.a = address
				}
				xput.e = receiver
				outputs.push(xput)
			}
		})
	}
	let r = {
		tx: {h: t.hash},
		in: inputs,
		out: outputs,
		lock: t.nLockTime,
	}
	// confirmations
	if (options && options.confirmations) {
		r.confirmations = options.confirmations
	}
	return r
}