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91e8962c25
(Includes suggestions from @oeggert review) Co-authored-by: oeggert <117319296+oeggert@users.noreply.github.com> More verify creds docs Rework tutorial guidelines & template Update verify credential (js) tutorial for reworked code sample Remove now-unused tutorial structure screenshots
69 lines
2.1 KiB
JavaScript
Executable File
69 lines
2.1 KiB
JavaScript
Executable File
import { Client, rippleTimeToISOTime, convertStringToHex } from "xrpl"
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const client = new Client("wss://s.devnet.rippletest.net:51233")
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await client.connect()
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const SUBJECT_ADDRESS = "rsYhHbanGpnYe3M6bsaMeJT5jnLTfDEzoA"
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const ISSUER_ADDRESS = "rEzikzbnH6FQJ2cCr4Bqmf6c3jyWLzkonS"
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const CREDENTIAL_TYPE = convertStringToHex("my_credential").toUpperCase()
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// Look up Credential ledger entry --------------------------------------------
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const ledgerEntryRequest = {
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command: "ledger_entry",
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credential: {
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subject: SUBJECT_ADDRESS,
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issuer: ISSUER_ADDRESS,
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credential_type: CREDENTIAL_TYPE,
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},
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ledger_index: "validated",
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}
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console.log("Looking up credential...")
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console.log(JSON.stringify(ledgerEntryRequest, null, 2))
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let xrplResponse
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try {
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xrplResponse = await client.request(ledgerEntryRequest)
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} catch (err) {
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if (err.data?.error === "entryNotFound") {
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console.error("Credential was not found")
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} else {
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console.error(err)
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}
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process.exit(1)
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}
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const credential = xrplResponse.result.node
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console.log("Found credential:")
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console.log(JSON.stringify(credential, null, 2))
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// Check if the credential has been accepted ----------------------------------
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const lsfAccepted = 0x00010000
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if (!(credential.Flags & lsfAccepted)) {
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console.log("Credential is not accepted.")
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process.exit(2)
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}
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// Confirm that the credential is not expired ---------------------------------
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if (credential.Expiration) {
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const expirationTime = rippleTimeToISOTime(credential.Expiration)
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console.log(`Credential has expiration: ${expirationTime}`)
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console.log("Looking up validated ledger to check for expiration.")
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const ledgerResponse = await client.request({
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command: "ledger",
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ledger_index: "validated",
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})
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const closeTime = rippleTimeToISOTime(ledgerResponse.result.ledger.close_time)
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console.log(`Most recent validated ledger was at: ${closeTime}`)
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if (new Date(closeTime) > new Date(expirationTime)) {
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console.log("Credential is expired.")
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process.exit(3)
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}
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}
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// Credential has passed all checks -------------------------------------------
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console.log("Credential is valid.")
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client.disconnect()
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