Files
bro-sdk/docs/readmeCodeSnippets.ts
Sofía 9809076820 Merge pull request #2 from CoinFabrik/feat/update-v0.5-readme-runes-brc20
Docs: Add code snippets for Runes and BRC20
2025-04-28 14:47:40 +02:00

528 lines
17 KiB
TypeScript

import { BroSDK } from "../src/index";
/* eslint-disable @typescript-eslint/no-unused-vars */
const sdk = new BroSDK();
// Supported Chains
import { KnownChainId } from "../src/index";
// Bitcoin
const bitcoinChainId = KnownChainId.Bitcoin.Mainnet;
const bitcoinTestnetChainId = KnownChainId.Bitcoin.Testnet;
// EVM
const ethereumChainId = KnownChainId.EVM.Ethereum;
const ethereumTestnetChainId = KnownChainId.EVM.Sepolia;
// Utility function usage example
KnownChainId.isEVMTestnetChain(KnownChainId.EVM.Sepolia); // Returns true
KnownChainId.isEVMMainnetChain(KnownChainId.EVM.Sepolia); // Returns false
// Supported Tokens
import { KnownTokenId } from "../src/index";
// For BRC20 provide the tick symbol
const brc20Token = await sdk.brc20TickToBRC20Token(
KnownChainId.BRC20.Mainnet,
"alex$",
);
// For Runes provide the runes ID
const runesToken = await sdk.runesIdToRunesToken(
KnownChainId.Runes.Mainnet,
"500:20",
);
// For Stacks provide the contract address
const stacksToken = await sdk.stacksAddressToStacksToken(
KnownChainId.Stacks.Mainnet,
{
deployerAddress: "SP2XD7417HGPRTREMKF748VNEQPDRR0RMANB7X1NK",
contractName: "token-abtc",
},
);
// For EVM tokens provide the contract address
const evmToken = await sdk.evmAddressToEVMToken(
KnownChainId.EVM.Ethereum,
"0x31761a152F1e96F966C041291644129144233b0B",
);
// Supported routes
// Get all Brotocol available routes
const allRoutes = await sdk.getPossibleRoutes();
// Get routes filtered by source chain
const routesBySourceChain = await sdk.getPossibleRoutes({
fromChain: KnownChainId.BRC20.Mainnet,
});
// Get routes filtered by source and target chain
const routesBySourceAndTargetChain = await sdk.getPossibleRoutes({
fromChain: KnownChainId.BRC20.Mainnet,
toChain: KnownChainId.EVM.Ethereum,
});
// Check if a specific token pair is supported for at least one route
const isSupported = await sdk.isSupportedRoute({
fromChain: KnownChainId.BRC20.Mainnet,
toChain: KnownChainId.EVM.Ethereum,
fromToken: brc20Token as KnownTokenId.BRC20Token,
toToken: evmToken as KnownTokenId.EVMToken,
});
// If the token pair is supported, get available routes for that pair
if (isSupported) {
const routesByPair = await sdk.getPossibleRoutes({
fromChain: KnownChainId.BRC20.Mainnet,
toChain: KnownChainId.EVM.Ethereum,
fromToken: brc20Token as KnownTokenId.BRC20Token,
toToken: evmToken as KnownTokenId.EVMToken,
});
}
// Bridge From Stacks
import { makeContractCall, broadcastTransaction, deserializeCV } from "@stacks/transactions";
import { ContractCallOptions } from "../src/stacksUtils/contractHelpers";
import { BridgeFromStacksInput, toSDKNumberOrUndefined } from "../src/index";
// Retrieve bridge information
const bridgeInfo = await sdk.bridgeInfoFromStacks({
fromChain: KnownChainId.Stacks.Mainnet,
toChain: KnownChainId.EVM.Ethereum,
fromToken: stacksToken as KnownTokenId.StacksToken,
toToken: evmToken as KnownTokenId.EVMToken,
amount: toSDKNumberOrUndefined(100_000_000),
});
// Define bridge operation input
const bridgeFromStacksInput: BridgeFromStacksInput = {
fromChain: KnownChainId.Stacks.Mainnet,
toChain: KnownChainId.EVM.Ethereum,
fromToken: stacksToken as KnownTokenId.StacksToken,
toToken: evmToken as KnownTokenId.EVMToken,
// Sender Stacks principal
fromAddress: "SP2ZD731ANQZT6J4K3F5N8A40ZXWXC1XFXHVVQFKE",
// Receiver EVM address
toAddress: "0x31751a152F1e95F966C041291644129144233b0B",
amount: toSDKNumberOrUndefined(100),
// TODO: ContractCallOptions is not included as an export type in index.ts.
// This type was omitted on the snippet, but consider exporting call options type
sendTransaction: async (tx: ContractCallOptions) => {
/**
* Implementation for sending transaction on Stacks mainnet.
* Refer to:
* - https://github.com/hirosystems/stacks.js/tree/main/packages/transactions#smart-contract-function-call
* - https://stacks.js.org/functions/_stacks_transactions.makeContractCall
* - https://stacks.js.org/functions/_stacks_transactions.broadcastTransaction
*/
const transaction = await makeContractCall({
contractAddress: tx.contractAddress,
contractName: tx.contractName,
functionName: tx.functionName,
// Deserialize each element of functionArgs and convert it into ClarityValue[]
functionArgs: tx.functionArgs.map(arg => deserializeCV(arg)),
postConditions: [] /* Add post conditions */,
validateWithAbi: true,
senderKey:
"b244296d5907de9864c0b0d51f98a13c52890be0404e83f273144cd5b9960eed01",
network: "mainnet",
});
const broadcastResponse = await broadcastTransaction({
transaction,
network: "mainnet",
});
return { txid: broadcastResponse.txid };
},
};
// Perform the bridge operation
const result = await sdk.bridgeFromStacks(bridgeFromStacksInput);
console.log("Transaction ID:", result.txid);
// Bridge From EVM
import { BridgeFromEVMInput, EVMAddress, SDKNumber } from "../src/index";
// Choose your preferred web3 lib here
import { ethers } from "ethers";
// Example signer setup using ethers.js
const provider = new ethers.JsonRpcProvider(
"https://mainnet.someprovider.io/YOUR_PROJECT_ID",
);
const signer = new ethers.Wallet(
"000000000000000000000000000000000000000000000000000000000000002d",
provider,
);
const signerAddress = signer.address as `0x${string}`;
const bridgeFromEVMInput: BridgeFromEVMInput = {
fromChain: KnownChainId.EVM.Ethereum,
toChain: KnownChainId.Stacks.Mainnet,
fromToken: evmToken as KnownTokenId.EVMToken,
toToken: stacksToken as KnownTokenId.StacksToken,
// Sender Ethereum address
fromAddress: signerAddress,
// Receiver Stacks principal
toAddress: "SP2ZD731ANQZT6J4K3F5N8A40ZXWXC1XFXHVVQFKE",
amount: toSDKNumberOrUndefined(100),
sendTransaction: async (tx: {
from: EVMAddress; // Sender Ethereum address
to: EVMAddress; // Bridge Endpoint address
data: Uint8Array;
recommendedGasLimit: SDKNumber;
value?: SDKNumber;
}): Promise<{ txHash: string }> => {
/**
* Implementation for sending transaction on Ethereum mainnet
* See https://docs.ethers.org/v6/api/contract/ for reference
*/
const txRequest = {
from: tx.from,
to: tx.to,
data: ethers.hexlify(tx.data),
// Convert SDKNumber into BigNumber
gasLimit: ethers.toBigInt(tx.recommendedGasLimit.split(" ")[0]),
};
const sentTx = await signer.sendTransaction(txRequest);
const receipt = await sentTx.wait();
if (receipt === null) throw new Error("Transaction receipt is null");
return { txHash: receipt.hash };
},
};
// Perform the bridge operation
const result2 = await sdk.bridgeFromEVM(bridgeFromEVMInput);
console.log("Transaction ID:", result2.txHash);
// Bridge From BTC
import { BridgeFromBitcoinInput } from "../src/index";
import {
GetConfirmedSpendableUTXOFn,
reselectSpendableUTXOsFactory,
UTXOBasic,
} from "../src/bitcoinHelpers";
import { ECPairFactory } from "ecpair";
import { Psbt, payments, Signer, networks } from "bitcoinjs-lib";
import axios from "axios";
import { randomBytes } from "crypto";
import * as ecc from "tiny-secp256k1";
const rng = (size?: number) => {
const buffer = randomBytes(size || 0);
return Buffer.from(buffer);
};
// Create ECPair instance
const ECPair = ECPairFactory(ecc);
// Generate a new random key pair
const keyPair = ECPair.makeRandom({ rng });
// Get address and scriptPubKey
const { address: senderAddress, output: scriptPubKey } = payments.p2wpkh({
pubkey: Buffer.from(keyPair.publicKey),
network: networks.bitcoin,
});
// Select UTXOs to spend
const reselectSpendableUTXOs: BridgeFromBitcoinInput["reselectSpendableUTXOs"] =
async (satsToSend, lastTimeSelectedUTXOs) => {
/**
* This function should fetch UTXOs from a Bitcoin node or API.
* Replace the placeholder logic below with your actual UTXO source.
*/
const availableUTXOs: UTXOBasic[] = [];
const getUTXOSpendable: GetConfirmedSpendableUTXOFn = async (
utxo: UTXOBasic,
) => {
// Placeholder for implementation - It should return a valid UTXOSpendable & UTXOConfirmed object
return undefined;
};
// Create the reselect function with factory helper
const reselectFn = reselectSpendableUTXOsFactory(
availableUTXOs,
getUTXOSpendable,
);
return reselectFn(satsToSend, lastTimeSelectedUTXOs);
};
// Sign a Bitcoin PSBT
const signPsbt: BridgeFromBitcoinInput["signPsbt"] = async tx => {
/**
* Implementation example for signing a Bitcoin PSBT (Partially Signed Bitcoin Transaction)
*/
const signer: Signer = {
publicKey: Buffer.from(keyPair.publicKey),
sign: hash => Buffer.from(keyPair.sign(hash)),
};
const psbt = Psbt.fromBuffer(Buffer.from(tx.psbt));
tx.signInputs.forEach(index => {
psbt.signInput(index, signer);
});
psbt.finalizeAllInputs();
return { psbt: psbt.toBuffer() };
};
// Broadcast the signed transaction
const sendTransaction: BridgeFromBitcoinInput["sendTransaction"] = async tx => {
/**
* Implementation example for broadcasting a Bitcoin transaction with Axios
*/
const response = await axios.post("https://blockstream.info/api/tx", tx.hex, {
headers: { "Content-Type": "text/plain" },
});
return { txid: response.data };
};
// Estimate transaction fee and virtual size before performing the bridge operation
const estimateTransaction = await sdk.estimateBridgeTransactionFromBitcoin({
fromChain: KnownChainId.Bitcoin.Mainnet,
fromToken: KnownTokenId.Bitcoin.BTC,
toChain: KnownChainId.EVM.Ethereum,
toToken: evmToken as KnownTokenId.EVMToken,
fromAddressScriptPubKey: scriptPubKey!,
fromAddress: senderAddress!,
toAddress: "0x31751a152F1e95F966C041291644129144233b0B",
amount: toSDKNumberOrUndefined(1),
networkFeeRate: 10n,
reselectSpendableUTXOs: reselectSpendableUTXOs,
});
const bridgeFromBitcoinInput: BridgeFromBitcoinInput = {
fromChain: KnownChainId.Bitcoin.Mainnet,
fromToken: KnownTokenId.Bitcoin.BTC,
toChain: KnownChainId.EVM.Ethereum,
toToken: evmToken as KnownTokenId.EVMToken,
fromAddressScriptPubKey: scriptPubKey!,
fromAddress: senderAddress!,
toAddress: "0x31751a152F1e95F966C041291644129144233b0B",
amount: toSDKNumberOrUndefined(1),
networkFeeRate: 10n, // Expressed in satoshis per virtual byte (sat/vbyte).
reselectSpendableUTXOs,
signPsbt,
sendTransaction,
};
// Perform the bridge operation
const result3 = await sdk.bridgeFromBitcoin(bridgeFromBitcoinInput);
console.log("Bitcoin Transaction ID:", result3.txid);
// Bridge From BRC20
import { BridgeFromBRC20Input } from "../src/index"
// Select UTXOs to spend
const reselectSpendableNetworkFeeUTXOs: BridgeFromBRC20Input["reselectSpendableNetworkFeeUTXOs"] =
async (satsToSend, lastTimeSelectedUTXOs) => {
// Example of available UTXOs from a Bitcoin node or API
const availableUTXOs: UTXOBasic[] = [
{
txId: "1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef",
index: 0,
amount: 5000n,
},
{
txId: "abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890",
index: 1,
amount: 3000n,
},
{
txId: "7890abcdef1234567890abcdef1234567890abcdef1234567890abcdef123456",
index: 2,
amount: 2000n,
},
]
// Function to convert basic UTXOs to spendable UTXOs with scriptPubKey
const getUTXOSpendable: GetConfirmedSpendableUTXOFn = async (
utxo: UTXOBasic,
) => {
// For this example, we'll create a simple UTXOSpendable object
return {
...utxo,
scriptPubKey: scriptPubKey!,
addressType: "p2wpkh",
blockHeight: 800000n, // Example block height
}
}
// Create the reselect function with factory helper
const reselectFn = reselectSpendableUTXOsFactory(
availableUTXOs,
getUTXOSpendable,
)
return reselectFn(satsToSend, lastTimeSelectedUTXOs)
}
const bridgeFromBRC20Input: BridgeFromBRC20Input = {
fromChain: KnownChainId.BRC20.Mainnet,
fromToken: brc20Token as KnownTokenId.BRC20Token,
toChain: KnownChainId.EVM.Ethereum,
toToken: evmToken as KnownTokenId.EVMToken,
fromAddress: senderAddress!,
fromAddressScriptPubKey: scriptPubKey!,
toAddress: "0x31751a152F1e95F966C041291644129144233b0B",
inputInscriptionUTXO: {
txId: "1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef",
index: 0,
amount: 1000n,
scriptPubKey: scriptPubKey!,
addressType: "p2wpkh",
},
networkFeeRate: 10n,
reselectSpendableNetworkFeeUTXOs,
networkFeeChangeAddress: senderAddress!,
networkFeeChangeAddressScriptPubKey: scriptPubKey!,
signPsbt: async tx => {
const signer: Signer = {
publicKey: Buffer.from(keyPair.publicKey),
sign: hash => Buffer.from(keyPair.sign(hash)),
}
const psbt = Psbt.fromBuffer(Buffer.from(tx.psbt))
tx.signBitcoinInputs.forEach(index => {
psbt.signInput(index, signer)
})
tx.signInscriptionInputs.forEach(index => {
psbt.signInput(index, signer)
})
psbt.finalizeAllInputs()
return { psbt: psbt.toBuffer() }
},
sendTransaction,
}
// Perform the bridge operation
const result4 = await sdk.bridgeFromBRC20(bridgeFromBRC20Input)
console.log("Bitcoin Transaction ID:", result4.txid)
// Bridge From Runes
import { BridgeFromRunesInput, RunesUTXOSpendable } from "../src/index"
// Select UTXOs to spend for network fees
const reselectSpendableNetworkFeeUTXOsForRunes: BridgeFromRunesInput["reselectSpendableNetworkFeeUTXOs"] =
async (satsToSend, lastTimeSelectedUTXOs) => {
// Example of available UTXOs from a Bitcoin node or API
const availableUTXOs: UTXOBasic[] = [
{
txId: "1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef",
index: 0,
amount: 5000n,
},
{
txId: "abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890",
index: 1,
amount: 3000n,
},
{
txId: "7890abcdef1234567890abcdef1234567890abcdef1234567890abcdef123456",
index: 2,
amount: 2000n,
},
]
// Function to convert basic UTXOs to spendable UTXOs with scriptPubKey
const getUTXOSpendable: GetConfirmedSpendableUTXOFn = async (
utxo: UTXOBasic,
) => {
// For this example, we'll create a simple UTXOSpendable object
return {
...utxo,
scriptPubKey: scriptPubKey!,
addressType: "p2wpkh",
blockHeight: 800000n, // Example block height
}
}
// Create the reselect function with factory helper
const reselectFn = reselectSpendableUTXOsFactory(
availableUTXOs,
getUTXOSpendable,
)
return reselectFn(satsToSend, lastTimeSelectedUTXOs)
}
// Example Runes UTXOs
const runesUTXOs: RunesUTXOSpendable[] = [
{
txId: "1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef",
index: 0,
amount: 1000n,
scriptPubKey: scriptPubKey!,
addressType: "p2wpkh",
runes: [
{
runeId: "500:20",
runeDivisibility: 8,
runeAmount: 100000000n, // 1.0 rune
},
],
},
]
// Sign a Bitcoin PSBT for Runes
const signPsbtForRunes: BridgeFromRunesInput["signPsbt"] = async tx => {
const signer: Signer = {
publicKey: Buffer.from(keyPair.publicKey),
sign: hash => Buffer.from(keyPair.sign(hash)),
}
const psbt = Psbt.fromBuffer(Buffer.from(tx.psbt))
tx.signBitcoinInputs.forEach(index => {
psbt.signInput(index, signer)
})
tx.signRunesInputs.forEach(index => {
psbt.signInput(index, signer)
})
psbt.finalizeAllInputs()
return { psbt: psbt.toBuffer() }
}
// Broadcast the signed transaction
const sendTransactionForRunes: BridgeFromRunesInput["sendTransaction"] =
async tx => {
const response = await axios.post(
"https://blockstream.info/api/tx",
tx.hex,
{
headers: { "Content-Type": "text/plain" },
},
)
return { txid: response.data }
}
// Create the bridge input
const bridgeFromRunesInput: BridgeFromRunesInput = {
fromChain: KnownChainId.Runes.Mainnet,
fromToken: runesToken as KnownTokenId.RunesToken,
toChain: KnownChainId.EVM.Ethereum,
toToken: evmToken as KnownTokenId.EVMToken,
fromAddress: senderAddress!,
fromAddressScriptPubKey: scriptPubKey!,
toAddress: "0x31751a152F1e95F966C041291644129144233b0B",
amount: toSDKNumberOrUndefined(1), // 1.0 rune
inputRuneUTXOs: runesUTXOs,
networkFeeRate: 10n,
reselectSpendableNetworkFeeUTXOs: reselectSpendableNetworkFeeUTXOsForRunes,
networkFeeChangeAddress: senderAddress!,
networkFeeChangeAddressScriptPubKey: scriptPubKey!,
signPsbt: signPsbtForRunes,
sendTransaction: sendTransactionForRunes,
}
// Perform the bridge operation
const result5 = await sdk.bridgeFromRunes(bridgeFromRunesInput)
console.log("Bitcoin Transaction ID:", result5.txid)