xrpl-std

Standard library for XRPL WebAssembly smart contracts.

This crate provides the core functionality needed to develop smart contracts for the XRP Ledger, including:

Host function bindings for interacting with the XRPL
Type definitions for XRPL objects and transactions
No-std compatible implementation for WASM environments

Usage

Add this to your Cargo.toml:

[dependencies]
xrpl-std = "0.5.0-devnet5"

Example

#![no_std]
use xrpl_std::core::current_tx::escrow_finish;
use xrpl_std::core::current_tx::traits::TransactionCommonFields;

#[no_mangle]
pub extern "C" fn finish() -> i32 {
    // Get the current escrow finish transaction
    let escrow_finish = escrow_finish::get_current_escrow_finish();
    
    // Access transaction fields
    let account = match escrow_finish.get_account() {
        Ok(v) => v,
        Err(_) => return 0,  // Keep escrow locked on error
    };
    
    // Make escrow release decision based on account
    if account.0 == b"rAuthorizedAccount..." {
        1  // Release escrow
    } else {
        0  // Keep escrow locked
    }
}

Features

No-std compatible: Designed for WebAssembly environments
Type-safe API: Strongly typed interfaces for XRPL objects
Host function access: Direct bindings to XRPL validator functions
Memory safety: Built-in panic handler and allocation management

Documentation

For more information about developing XRPL smart contracts, see the craft repository.

License