Deposit Authorization

Setting things up

Installing Node and VS Code Editor

Installing "XRPL JS TS Demo" and Dependencies

XRP Ledger accounts

Learning More About XRP Ledger Account

Generating XRPL Account

Derive r-address From Secret

Brief Overview of The XRP Ledger

First XRPL interaction

Activate Existing XRPL Account on Test Network

Connecting and Interacting with XRP Ledger: account_info

Interacting with XRP Ledger using JSON-RPC

Error Handling and Best Practices

Basics of XRP and Issued Currency

Signing Payment Transaction

Assignment Solution

Verifying Signature

Submit Transaction Signature To XRP Ledger

Subscription Methods

Subscription Methods To Build Responsive App

Transaction Verification

Balance Detail

Transaction Cost

Measures to Avoid Ledger Spamming

Source And Destination Tags

AccountSet Transaction: Domain, Gravatar

AccountSet Transaction: SetFlag, ClearFlag

Deposit Authorization

Tokens, transactions

Issuing Token on XRPL

Token(IOU): Payment Transaction

Commands To Fetch TrustLine Information

Freeze a TrustLine

Issuer: Transfer Fees

More about TrustLine

Currency Code In Hex Format

Removing a TrustLine

Require authorization Flag

Ledger features

AccountDelete Transaction

Tickets: Theory

TicketCreate Transaction

Delete Ticket Object

SetRegularKey

SetRegularKey: The Concept

Assigning RegularKey

Change RegularKey

Remove RegularKey

Blackhole An Account

MultiSigning

MultiSigning: The Concept

Replace SignerList

Create SignerList

Replace SignerList

Multi-signed Payment Transaction

Removing SignerList

Deposit Authorization

Intro

asfDepositAuth flag, if enabled, blocks all direct transfers from strangers, including transfers of XRP and tokens.

Video

Topics covered

• Accounts with asfDepositAuth flag enabled can only receive funds in 2 ways: 1. From preauthorized accounts. 2. By sending a transaction to receive the funds. Ex: By Finishing an Escrow.
• Setting asfDepositAuth flag.
• Preauthorizing accounts to receive funds from, using DepositPreauth transaction.
• When you authorize an account, your owner count increases by one. When you unauthorize the previously authorized account your owner count decreases by one.
• Client applications can use public API method deposit_authorized to see if an account is indeed authorized to send a transaction to particular XRPL account.
• You can also use account_objects command to fetch all the accounts which are authorized to send payments to an account with asfDepositAuth flag enabled. And the LedgerEntryType is DepositPreauth.

References

• AccountSet
• Deposit Authorization
• Preauthorization
• DepositPreauth
• deposit_authorized
• account_objects
• DepositPreauth Fields

• Deposit Authorization
• Intro
• Video
• Topics covered
• References