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build-with-bite

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Build with BITE

基于BITE构建

BITE Protocol provides threshold encryption on SKALE chains. Encrypts transaction data so mempool only sees encrypted bytes.
BITE Protocol在SKALE链上提供门限加密能力，可加密交易数据，因此mempool仅能看到加密后的字节流。

What is BITE?

什么是BITE？

  • Encrypts 
    to
    + 
    calldata
    in transactions
  • Threshold decryption: 2t+1 of 3t+1 validators needed
  • Works on all Solidity contracts (no contract changes needed)
  • MEV-resistant
  • 加密交易中的
    to
    地址和
    calldata
  • 门限解密：需要3t+1个验证者中的2t+1参与
  • 兼容所有Solidity合约（无需修改合约代码）
  • 抗MEV

Primitives

功能原语

PrimitiveDescriptionChains
Encrypted TXEncrypt 
to
+ 
calldata
SKALE Base, SKALE Base Sepolia
CTXConditional TransactionsBITE V2 Sandbox 2
功能原语描述支持链
加密交易加密
to
地址和
calldata
SKALE Base, SKALE Base Sepolia
CTX条件交易BITE V2 Sandbox 2

Chain Requirements

链要求

Encrypted Transactions:
  • SKALE Base (1187947933)
  • SKALE Base Sepolia (324705682)
CTX:
  • BITE V2 Sandbox 2 (coordinate with SKALE team)
加密交易支持链：
  • SKALE Base (1187947933)
  • SKALE Base Sepolia (324705682)
CTX支持链：
  • BITE V2 Sandbox 2（需与SKALE团队协调）

SDK Usage

SDK使用

Install: 
npm install @skalenetwork/bite
typescript
import { BITE } from '@skalenetwork/bite';
const bite = new BITE('https://base-sepolia-testnet.skalenodes.com/v1/jubilant-horrible-ancha');

// Encrypt transaction
const encrypted = await bite.encryptTransaction({ 
    to: "0xContractAddress", 
    data: "0xCalldata" 
});

// Send with wallet - CRITICAL: set gas manually
const tx = await wallet.sendTransaction({
    ...encrypted,
    gasLimit: 300_000
});
安装命令：
npm install @skalenetwork/bite
typescript
import { BITE } from '@skalenetwork/bite';
const bite = new BITE('https://base-sepolia-testnet.skalenodes.com/v1/jubilant-horrible-ancha');

// Encrypt transaction
const encrypted = await bite.encryptTransaction({ 
    to: "0xContractAddress", 
    data: "0xCalldata" 
});

// Send with wallet - CRITICAL: set gas manually
const tx = await wallet.sendTransaction({
    ...encrypted,
    gasLimit: 300_000
});

Get Decrypted Data

获取解密数据

typescript
const { data, to } = await bite.getDecryptedTransactionData(txHash);
typescript
const { data, to } = await bite.getDecryptedTransactionData(txHash);

Committee Info

委员会信息

typescript
const committees = await bite.getCommitteesInfo();
// length === 2 means rotation in progress (3 min window)
typescript
const committees = await bite.getCommitteesInfo();
// length === 2 means rotation in progress (3 min window)

Solidity (CTX)

Solidity（CTX）

Install: 
forge install skalenetwork/bite-solidity
solidity
pragma solidity >=0.8.27;

import { BITE } from "@skalenetwork/bite-solidity/BITE.sol";
import { IBiteSupplicant } from "@skalenetwork/bite-solidity/interfaces/IBiteSupplicant.sol";

contract Secret is IBiteSupplicant {
    bytes public message;
    
    function reveal(bytes calldata encrypted) external payable {
        BITE.submitCTX(
            BITE.SUBMIT_CTX_ADDRESS,
            msg.value / tx.gasprice,
            encrypted,
            new bytes[](0)
        );
    }
    
    function onDecrypt(bytes[] calldata decrypted, bytes[] calldata) external override {
        message = decrypted[0];
    }
}
安装命令：
forge install skalenetwork/bite-solidity
solidity
pragma solidity >=0.8.27;

import { BITE } from "@skalenetwork/bite-solidity/BITE.sol";
import { IBiteSupplicant } from "@skalenetwork/bite-solidity/interfaces/IBiteSupplicant.sol";

contract Secret is IBiteSupplicant {
    bytes public message;
    
    function reveal(bytes calldata encrypted) external payable {
        BITE.submitCTX(
            BITE.SUBMIT_CTX_ADDRESS,
            msg.value / tx.gasprice,
            encrypted,
            new bytes[](0)
        );
    }
    
    function onDecrypt(bytes[] calldata decrypted, bytes[] calldata) external override {
        message = decrypted[0];
    }
}

Compiler Settings

编译器设置

For CTX contracts:
  • Solidity >=0.8.27
  • EVM istanbul
toml
solc_version = "0.8.27"
evm_version = "istanbul"
CTX合约编译要求：
  • Solidity版本 >=0.8.27
  • EVM版本为istanbul
toml
solc_version = "0.8.27"
evm_version = "istanbul"

Key Rules

核心规则

  • Gas: Always set manually (default 300k) - estimateGas doesn't work with BITE
  • Committee: 3t+1 nodes, 2t+1 to decrypt
  • Rotation: SDK handles dual encryption automatically
  • Sender: Always public (transaction is signed)
  • Encrypted: 
    to
    address and 
    calldata
  • Public: sender, value, gas used
  • Gas：始终手动设置（默认30万），estimateGas不适用于BITE
  • 委员会：共3t+1个节点，需要2t+1个节点参与解密
  • 轮换：SDK会自动处理双重加密
  • 发送方：始终公开（交易已签名）
  • 加密内容：
    to
    地址和
    calldata
  • 公开内容：发送方、交易金额、Gas使用量

Visibility Summary

可见性汇总

DataEncrypted
Recipient (to)✅
Calldata✅
Sender❌
Value❌
Gas used❌
Reference: Encrypted Transactions Reference: CTX Reference: npm
数据项是否加密
接收方（to）✅
Calldata✅
发送方❌
交易金额❌
Gas使用量❌
参考文档：加密交易 参考文档：CTX 参考文档：npm包