83 lines
3.0 KiB
JavaScript
83 lines
3.0 KiB
JavaScript
const FloweeServices = require('../');
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var Flowee = new FloweeServices();
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/**
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* This example creates a search that does two steps before
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* finishing.
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* The first is a FetchTx (based on txid).
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* And when that transaction has been fetched from a Flowee Hub, the
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* onTxAdded method is called with the transaction data.
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* At this point we create a new job that fetches the block-header.
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* On completion we can then print details from both the transaction and the header
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* from our search-result object.
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*/
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if (process.argv.length <= 2) {
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console.log("Fetch transaction\nUsage node transaction.js [txid]");
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console.log("Example txid: 2c0b2784bae08449e651f3718029cb09a12eb00d5c3a6adc326ba31819892880\n");
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process.exit();
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}
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function detailTx(txid) {
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return Flowee.search({
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jobs: [{
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value: txid,
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type: Flowee.Job.FetchTx,
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txFilter: [ Flowee.IncludeInputs, Flowee.IncludeOutputs , Flowee.IncludeTxFees]
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}],
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onTxAdded: function(transaction) {
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this.addJob({
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type: Flowee.Job.FetchBlockHeader,
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value: transaction.blockHeight
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});
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}
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});
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}
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Flowee.connect().then(async function() {
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try {
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for (arg in process.argv) {
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if (arg > 1) { // nodejs, skip first two args.
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let result = await detailTx(process.argv[arg])
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const tx = result.transactions[0];
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console.log("Fetched tx " + tx.txid);
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console.log("{inputs :[");
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for (let id in tx.inputs) {
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const input = tx.inputs[id];
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console.log(" {");
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if (tx.isCoinbase) {
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console.log(" coinbase");
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} else {
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console.log(" txid: " + input.previousTxid);
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console.log(" vout: " + input.outputIndex);
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}
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console.log(" script: " + input.script);
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}
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console.log(" }");
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console.log("]");
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console.log("outputs: [");
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for (let id in tx.outputs) {
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const output = tx.outputs[id];
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console.log(" {");
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let s = "" + output.amount;
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console.log(" amount: " + output.amount / 100000000);
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console.log(" script: " + output.script);
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console.log(" }");
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}
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console.log(" fees: " + tx.fees);
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const header = result[`block${tx.blockHeight}`];
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console.log(" block: " + header.height);
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console.log(" confirmations: " + header.confirmations);
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console.log(" date: " + new Date(header.time * 1000).toDateString());
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console.log(" mined in block: " + header.hash);
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console.log("}");
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}
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}
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} catch (error) {
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console.log("Failure: " + error);
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}
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process.exit();
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});
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