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import { asArray, randomBytesHex, sdk } from "../../index.client";
import axios from 'axios'
import { Readable } from 'stream'
import { PostTxResultForTxid } from '../../sdk';
const BEEF_V1 = 4022206465 // 0100BEEF in LE order
const BEEF_V2 = 4022206466 // 0200BEEF in LE order
// Documentation:
// https://docs.taal.com/
// https://docs.taal.com/core-products/transaction-processing/arc-endpoints
// https://bitcoin-sv.github.io/arc/api.html
export interface ArcServiceConfig {
name: string,
url: string,
arcConfig: ArcConfig
}
export function getTaalArcServiceConfig(chain: sdk.Chain, apiKey: string): ArcServiceConfig {
return {
name: 'TaalArc',
url: chain === 'main' ? 'https://api.taal.com/arc' : 'https://arc-test.taal.com',
arcConfig: {
apiKey,
deploymentId: `WalletServices-${randomBytesHex(16)}`
},
}
}
export function makePostTxsToTaalARC(config: ArcServiceConfig): sdk.PostTxsService {
return (beef: Beef, txids: string[], services: sdk.WalletServices) => {
return postTxsToTaalArcMiner(beef, txids, config, services)
}
}
export function makePostBeefToTaalARC(config: ArcServiceConfig) : sdk.PostBeefService {
return (beef: Beef, txids: string[], services: sdk.WalletServices) => {
return postBeefToTaalArcMiner(beef, txids, config, services)
}
}
export function makeGetMerklePathFromTaalARC(config: ArcServiceConfig) : sdk.GetMerklePathService {
return (txid: string, chain: sdk.Chain, services: sdk.WalletServices) => {
return getMerklePathFromTaalARC(txid, config, services)
}
}
class ArcServices {
readonly URL: string
readonly apiKey: string | undefined
readonly deploymentId: string
readonly callbackUrl: string | undefined
readonly callbackToken: string | undefined
readonly headers: Record<string, string> | undefined
private readonly httpClient: HttpClient
/**
* Constructs an instance of the ARC broadcaster.
*
* @param {string} URL - The URL endpoint for the ARC API.
* @param {ArcConfig} config - Configuration options for the ARC broadcaster.
*/
constructor(URL: string, config: ArcConfig) {
this.URL = URL
const { apiKey, deploymentId, httpClient, callbackToken, callbackUrl, headers } = config
this.apiKey = apiKey
this.httpClient = httpClient ?? defaultHttpClient()
this.deploymentId = deploymentId || `WalletServices-${randomBytesHex(16)}`
this.callbackToken = callbackToken
this.callbackUrl = callbackUrl
this.headers = headers
}
/**
* Unfortunately this seems to only work for recently submitted txids...
* @param txid
* @returns
*/
async getTxStatus(txid: string): Promise<ArcMinerGetTxData> {
const requestOptions: HttpClientRequestOptions = {
method: 'GET',
headers: this.requestHeaders(),
}
const response = await this.httpClient.request<ArcMinerGetTxData>(`${this.URL}/v1/tx/${txid}`, requestOptions)
return response.data
}
requestHeaders() {
const headers: Record<string, string> = { 'Content-Type': 'application/json', 'XDeployment-ID': this.deploymentId }
Iif (this.apiKey) { headers.Authorization = `Bearer ${this.apiKey}` }
Iif (this.callbackUrl) { headers['X-CallbackUrl'] = this.callbackUrl }
Iif (this.callbackToken) { headers['X-CallbackToken'] = this.callbackToken }
Iif (this.headers) { for (const key in this.headers) { headers[key] = this.headers[key] } }
return headers
}
}
export async function getMerklePathFromTaalARC(txid: string, config: ArcServiceConfig, services: sdk.WalletServices): Promise<sdk.GetMerklePathResult>
{
const r: sdk.GetMerklePathResult = { name: config.name }
try {
const arc = new ArcServices(config.url, config.arcConfig)
const rr = await arc.getTxStatus(txid)
Iif (rr.status === 200 && rr.merklePath) {
const mp = MerklePath.fromHex(rr.merklePath)
r.merklePath = mp
r.header = await services.hashToHeader(rr.blockHash)
}
} catch (eu: unknown) {
r.error = sdk.WalletError.fromUnknown(eu)
}
return r
}
/**
*
* @param txs All transactions must have source transactions. Will just source locking scripts and satoshis do?? toHexEF() is used.
* @param config
*/
export async function postTxsToTaalArcMiner(beef: Beef, txids: string[], config: ArcServiceConfig, services: sdk.WalletServices): Promise<sdk.PostTxsResult> {
const r: sdk.PostTxsResult = { name: config.name, status: 'error', txidResults: [] }
try {
const arc = new ARC(config.url, config.arcConfig)
/**
* This service requires an array of EF serialized transactions:
* Pull the transactions matching txids array out of the Beef and fill in input sourceTransations,
* either from Beef or by external service lookup.
*/
const txs: BsvTransaction[] = []
for (const txid of txids) {
const btx = beef.findTxid(txid)
if (btx) {
const tx = btx.tx
for (const input of tx.inputs) {
Iif (!input.sourceTXID || input.sourceTXID === '0'.repeat(64)) continue; // all zero txid is a coinbase input.
let itx = beef.findTxid(input.sourceTXID!)
if (!itx) {
const rawTx = await services.getRawTx(input.sourceTXID!)
Iif (!rawTx || !rawTx.rawTx)
throw new sdk.WERR_INVALID_PARAMETER('sourceTXID', `contained in beef or found on chain. ${input.sourceTXID}`);
beef.mergeRawTx(rawTx.rawTx!)
itx = beef.findTxid(input.sourceTXID!)
}
input.sourceTransaction = itx!.tx
}
txs.push(tx)
} else
Ethrow new sdk.WERR_INVALID_PARAMETER('beef', `merged with rawTxs matching txids. Missing ${txid}`)
}
const rrs = await arc.broadcastMany(txs) as ArcMinerPostTxsData[]
r.status = 'success'
for (const txid of txids) {
const txr: PostTxResultForTxid = { txid, status: 'success' }
const rr = rrs.find(r => r.txid === txid)
Iif (!rr) {
r.status = txr.status = 'error'
} else {
txr.data = rr
Iif (rr.status !== 200)
r.status = txr.status = 'error';
else {
txr.blockHash = rr.blockHash
txr.blockHeight = rr.blockHeight
txr.merklePath = !rr.merklePath ? undefined : MerklePath.fromHex(rr.merklePath)
}
}
r.txidResults.push(txr)
}
r.data = rrs
} catch (eu: unknown) {
r.error = sdk.WalletError.fromUnknown(eu)
}
return r
}
export interface ArcMinerGetTxData {
status: number // 200
title: string // OK
blockHash: string
blockHeight: number
competingTxs: null | string[]
extraInfo: string
merklePath: string
timestamp: string // ISO Z
txid: string
txStatus: string // 'SEEN_IN_ORPHAN_MEMPOOL'
}
export interface ArcMinerPostTxsData {
status: number // 200
title: string // OK
blockHash: string
blockHeight: number
competingTxs: null | string[]
extraInfo: string
merklePath: string
timestamp: string // ISO Z
txid: string
txStatus: string // 'SEEN_IN_ORPHAN_MEMPOOL'
}
export interface ArcMinerPostBeefDataApi {
status: number, // 200
title: string, // "OK",
blockHash?: string, // ""
blockHeight?: number, // 0
competingTxs?: null,
extraInfo: string, // ""
merklePath?: string, // ""
timestamp?: string, // "2024-08-23T12:55:26.229904Z",
txid?: string, // "272b5cdca9a0aa51846df9be29ee366ff85902691d38210e8c4be2fead3823a5",
txStatus?: string, // "SEEN_ON_NETWORK",
type?: string, // url
detail?: string,
instance?: string,
}
export async function postBeefToTaalArcMiner(
beef: Beef,
txids: string[],
config: ArcServiceConfig,
services: sdk.WalletServices
)
: Promise<sdk.PostBeefResult>
{
const r1 = await postBeefToArcMiner(beef, txids, config)
return r1
Iif (r1.status === 'success') return r1
const datas: object = { r1: r1.data }
const r2 = await services.postTxs(beef, txids)
const r3: sdk.PostBeefResult = {
name: config.name,
status: 'success',
data: {},
txidResults: []
}
for (const txid of txids) {
const rawTx = beef.findTxid(txid)!.rawTx!
const rt = await postBeefToArcMiner(rawTx, [txid], config)
Iif (rt.status === 'error') r3.status = 'error'
r3.data![txid] = rt.data
r3.txidResults.push(rt.txidResults[0])
}
datas['r3'] = r3.data
r3.data = datas
return r3
}
export async function postBeefToArcMiner(
beef: Beef | number[],
txids: string[],
config: ArcServiceConfig
)
: Promise<sdk.PostBeefResult>
{
const m = {...config}
let url = ''
let r: sdk.PostBeefResult | undefined = undefined
// HACK to resolve ARC error when row has zero leaves.
// beef.addComputedLeaves()
let beefBinary: number[]
if (Array.isArray(beef))
beefBinary = beef
else {
// HACK to resolve ARC not handling V2 Beef after change Beef class to always serialize as V2 if default constructed:
beef.version = BEEF_V1
beefBinary = beef.toBinary()
}
try {
const length = beefBinary.length
const makeRequestHeaders = () => {
const headers: Record<string, string> = {
'Content-Type': 'application/octet-stream',
'Content-Length': length.toString(),
'XDeployment-ID': m.arcConfig.deploymentId || `WalletServices-${randomBytesHex(16)}`,
}
Iif (m.arcConfig.apiKey) {
headers['Authorization'] = `Bearer ${m.arcConfig.apiKey}`
}
return headers
}
const headers = makeRequestHeaders()
const stream = new Readable({
read() {
this.push(Buffer.from(beefBinary as number[]))
this.push(null)
}
})
url = `${config.url}/v1/tx`
const data = await axios.post(
url,
stream,
{
headers,
maxBodyLength: Infinity,
validateStatus: () => true,
}
)
Iif (!data || !data.data)
throw new sdk.WERR_BAD_REQUEST('no response data')
Iif (data.data === 'No Authorization' || data.status === 403 || data.statusText === 'Forbiden')
throw new sdk.WERR_BAD_REQUEST('No Authorization')
Iif (typeof data.data !== 'object')
throw new sdk.WERR_BAD_REQUEST('no response data object')
const dd = data.data as ArcMinerPostBeefDataApi
r = makePostBeefResult(dd, config, beefBinary, txids)
} catch (err: unknown) {
console.error(err)
const error = new sdk.WERR_INTERNAL(`service: ${url}, error: ${JSON.stringify(sdk.WalletError.fromUnknown(err))}`)
r = makeErrorResult(error, config, beefBinary, txids)
}
return r
}
export function makePostBeefResult(dd: ArcMinerPostBeefDataApi, miner: ArcServiceConfig, beef: number[], txids: string[]) : sdk.PostBeefResult {
let r: sdk.PostBeefResult
switch (dd.status) {
case 200: // Success
r = makeSuccessResult(dd, miner, beef, txids)
break
case 400: // Bad Request
r = makeErrorResult(new sdk.WERR_BAD_REQUEST(), miner, beef, txids, dd)
break
case 401: // Security Failed
r = makeErrorResult(new sdk.WERR_BAD_REQUEST(`Security Failed (401)`), miner, beef, txids, dd)
break
case 409: // Generic Error
case 422: // RFC 7807 Error
case 460: // Not Extended Format
case 467: // Mined Ancestor Missing
case 468: // Invalid BUMPs
r = makeErrorResult(new sdk.WERR_BAD_REQUEST(`status ${dd.status}, title ${dd.title}`), miner, beef, txids, dd)
break
case 461: // Malformed Transaction
case 463: // Malformed Transaction
case 464: // Invalid Outputs
r = makeErrorResult(new sdk.WERR_BAD_REQUEST(`status ${dd.status}, title ${dd.title}`), miner, beef, txids, dd)
break
case 462: // Invalid Inputs
if (dd.txid)
r = makeErrorResult(new sdk.WERR_BAD_REQUEST(`status ${dd.status}, title ${dd.title}`), miner, beef, txids, dd)
else
r = makeErrorResult(new sdk.WERR_BAD_REQUEST(`status ${dd.status}, title ${dd.title}`), miner, beef, txids, dd)
break
case 465: // Fee Too Low
case 473: // Cumulative Fee Validation Failed
r = makeErrorResult(new sdk.WERR_BAD_REQUEST(`status ${dd.status}, title ${dd.title}`), miner, beef, txids, dd)
break
case 469: // Invalid Merkle Root
r = makeErrorResult(new sdk.WERR_BAD_REQUEST(`status ${dd.status}, title ${dd.title}`), miner, beef, txids, dd)
break
default:
r = makeErrorResult(new sdk.WERR_BAD_REQUEST(`status ${dd.status}, title ${dd.title}`), miner, beef, txids, dd)
break
}
return r
}
function makeSuccessResult(
dd: ArcMinerPostBeefDataApi,
miner: ArcServiceConfig,
// eslint-disable-next-line @typescript-eslint/no-unused-vars
beef: number[],
// eslint-disable-next-line @typescript-eslint/no-unused-vars
txids: string[]
): sdk.PostBeefResult {
const r: sdk.PostBeefResult = {
status: 'success',
name: miner.name,
data: dd,
txidResults: []
}
for (let i = 0; i < txids.length; i++) {
const rt: sdk.PostTxResultForTxid = {
txid: txids[i],
status: 'success'
}
Iif (dd.txid === txids[i]) {
rt.alreadyKnown = !!dd.txStatus && ['SEEN_ON_NETWORK', 'MINED'].indexOf(dd.txStatus) >= 0
rt.txid = dd.txid
rt.blockHash = dd.blockHash
rt.blockHeight = dd.blockHeight
rt.merklePath = MerklePath.fromBinary(asArray(dd.merklePath!))
}
r.txidResults.push(rt)
}
return r
}
export function makeErrorResult(
error: sdk.WalletError,
miner: ArcServiceConfig,
// eslint-disable-next-line @typescript-eslint/no-unused-vars
beef: number[],
txids: string[],
dd?: ArcMinerPostBeefDataApi
): sdk.PostBeefResult {
const r: sdk.PostBeefResult = {
status: 'error',
name: miner.name,
error,
data: dd,
txidResults: []
}
for (let i = 0; i < txids.length; i++) {
const rt: sdk.PostTxResultForTxid = {
txid: txids[i],
status: 'error'
}
Iif (dd?.txid === txids[i]) {
rt.alreadyKnown = !!dd.txStatus && ['SEEN_ON_NETWORK', 'MINED'].indexOf(dd.txStatus) >= 0
rt.txid = dd.txid
rt.blockHash = dd.blockHash
rt.blockHeight = dd.blockHeight
rt.merklePath = MerklePath.fromBinary(asArray(dd.merklePath!))
}
r.txidResults.push(rt)
}
return r
}
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