deBridge Solana SDK Development Guide

A comprehensive guide for building Solana programs with the deBridge Solana SDK - enabling decentralized cross-chain transfers of arbitrary messages and value between blockchains.

Overview

deBridge is a cross-chain infrastructure protocol enabling:

Cross-Chain Transfers: Bridge assets between Solana and 20+ EVM chains

Message Passing: Send arbitrary messages across blockchains

External Calls: Execute smart contract calls on destination chains

Sub-Second Settlement: ~2 second median settlement time

Capital Efficiency: Intent-based architecture with 4bps lowest spreads

Key Features

26+ security audits (Halborn, Zokyo, Ackee Blockchain)

$200K bug bounty on Immunefi

100% uptime since launch

Zero security incidents

Quick Start

Installation

Add the SDK to your Anchor/Solana program:

cargo add --git ssh://git@github.com/debridge-finance/debridge-solana-sdk.git debridge-solana-sdk

Or add to Cargo.toml:

[dependencies]
debridge-solana-sdk = { git = "ssh://git@github.com/debridge-finance/debridge-solana-sdk.git" }

Basic Setup (Anchor)

```rust
use anchor_lang::prelude::*;
use debridge_solana_sdk::prelude::*;

declare_id!("YourProgramId11111111111111111111111111111");

#[program]
pub mod my_bridge_program {
use super::*;

pub fn send_cross_chain(
ctx: Context<SendCrossChain>,
target_chain_id: [u8; 32],
receiver: Vec<u8>,
amount: u64,
) -> Result<()> {
// Invoke deBridge send
debridge_sending::invoke_debridge_send(
debridge_sending::SendIx {
target_chain_id,
receiver,
is_use_asset_fee: false, // Use native SOL for fees
amount,
submission_params: None,
referral_code: None,
},
ctx.remaining_accounts,
)?;

Ok(())
}
}

#[derive(Accounts)]
pub