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events_api.ts
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events_api.ts
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import { CONFIG } from '$lib/config';
import { getAddressFromOutScript, parseDepositPayload, parseWithdrawPayload, type WrappedPSBT } from 'sbtc-bridge-lib'
import type { SbtcClarityEvent } from 'sbtc-bridge-lib/dist/types/sbtc_types';
import { getMagicAndOpCode } from './utils';
let authHeader:any;
export async function setAuthorisation(auth:any) {
authHeader = auth
}
export function headers() {
if (authHeader) {
return { 'Content-Type': 'application/json', 'Authorization': JSON.stringify(authHeader) }
}
return { 'Content-Type': 'application/json', 'Authorization': '' }
}
function addNetSelector (path:string) {
return path
}
async function fetchCatchErrors(path:string) {
try {
const response = await fetch(path);
return response;
} catch (err:any) {
console.log('fetchCatchErrors: ', err)
return new Response(undefined, {
status: 505,
})
}
}
async function extractResponse(response:any) {
try {
return await response.json();
} catch(err) {
try {
return await response.text();
} catch(err) {
console.log('error fetching response.. ', err)
}
}
}
export async function findSbtcEventByBitcoinTxId(bitcoinTxid:string):Promise<Array<SbtcClarityEvent>> {
const path = addNetSelector(CONFIG.VITE_REVEALER_API + '/events/find-by/bitcoin-txid/' + bitcoinTxid);
const response = await fetchCatchErrors(path);
if (response.status !== 200) {
console.log('Request failed to url: ' + path);
return [];
}
const pegins = await extractResponse(response);
return pegins;
}
export async function findSbtcEventByBitcoinAddress(bitcoinAddress:string):Promise<Array<SbtcClarityEvent>> {
const path = addNetSelector(CONFIG.VITE_REVEALER_API + '/events/find-by/bitcoin/' + bitcoinAddress);
const response = await fetchCatchErrors(path);
if (response.status !== 200) {
console.log('Request failed to url: ' + path);
return [];
}
const pegins = await extractResponse(response);
return pegins;
}
export async function findSbtcEventsByPage(page:number, limit:number):Promise<{ results: Array<SbtcClarityEvent>, events:number}> {
const path = addNetSelector(CONFIG.VITE_REVEALER_API + '/events/find-by/page/' + page + '/' + limit);
const response = await fetchCatchErrors(path);
if (response.status !== 200) {
console.log('Request failed to url: ' + path);
return { results: [], events:0};
}
const pegins = await extractResponse(response);
return pegins;
}
export async function fetchTransaction(txid:string) {
const path = addNetSelector(CONFIG.VITE_REVEALER_API + '/btc/tx/' + txid);
const response = await fetchCatchErrors(path);
return await extractResponse(response);
}
export async function fetchAddressTransactions(address:string) {
if (!address || address.length < 5) return;
const path = addNetSelector(CONFIG.VITE_REVEALER_API + '/btc/wallet/address/' + address + '/txs');
const response = await fetchCatchErrors(path);
if (response.status !== 200) {
console.log('Bitcoin address not known - is the network correct?');
}
return await extractResponse(response);
}
export async function fetchUtxoSet(address:string) {
if (!address || address.length < 5) return;
const path = addNetSelector(CONFIG.VITE_REVEALER_API + '/btc/wallet/address/' + address + '/utxos?verbose=true');
const response = await fetchCatchErrors(path);
if (response.status !== 200) {
console.log('Bitcoin address not known - is the network correct?');
}
return await extractResponse(response);
}
export async function sign(wrappedPsbt:WrappedPSBT) {
const path = addNetSelector(CONFIG.VITE_REVEALER_API + '/btc/tx/sign');
const response = await fetch(path, {
method: 'POST',
headers: headers(),
body: JSON.stringify(wrappedPsbt)
});
let res:any;
try {
res = await response.json();
} catch (err) {
try {
console.log(err)
res = await response.text();
} catch (err1) {
console.log(err1)
}
}
return res;
}
export function parseFulfilPayloadFromOutput(network:string, tx:btc.Transaction):PayloadType {
const out0 = tx.getOutput(0)
let d1 = out0.script?.subarray(5) as Uint8Array // strip the op type and data length
let witnessData = getMagicAndOpCode(d1);
if (witnessData.opcode !== '3C' && witnessData.opcode !== '3E') {
d1 = out0.script?.subarray(2) as Uint8Array // strip the op type and data length
witnessData = getMagicAndOpCode(d1);
}
witnessData.txType = btc.OutScript.decode(out0.script as Uint8Array).type;
let innerPayload:PayloadType = {} as PayloadType;
if (witnessData.opcode === '3C') {
innerPayload = parseDepositPayload(d1);
innerPayload.sbtcWallet = getAddressFromOutScript(network, tx.getOutput(1).script as Uint8Array)
//const inScript = btc.RawInput.encode({
// index: tx.getInput(0).index || 0,
// sequence: tx.getInput(0).sequence || 0,
// txid: tx.getInput(0).txid as Uint8Array,
// finalScriptSig: tx.getInput(0).finalScriptSig as Uint8Array,
//});
if (tx.outputsLength > 2) innerPayload.spendingAddress = getAddressFromOutScript(network, tx.getOutput(2).script!)
//console.log('parsePayloadFromTransaction:spendingAddress: ' + innerPayload.spendingAddress)
return innerPayload;
} else if (witnessData.opcode.toUpperCase() === '3E') {
const recipient = getAddressFromOutScript(network, tx.getOutput(1).script as Uint8Array)
try {
innerPayload = parseWithdrawPayload(network, hex.encode(d1), recipient, 'vrs')
} catch (err:any) {
innerPayload = parseWithdrawPayload(network, hex.encode(d1), recipient, 'rsv')
}
innerPayload.spendingAddress = getAddressFromOutScript(network, tx.getOutput(1).script!);
if (tx.outputsLength > 2) innerPayload.sbtcWallet = getAddressFromOutScript(network, tx.getOutput(2).script as Uint8Array)
innerPayload.spendingAddress = recipient
return innerPayload;
} else {
throw new Error('Wrong opcode : expected: 3E or 3C : recieved: ' + witnessData.opcode)
}
}