matthewjablack

OP_CTV

• Most reviewed and tested
• 30x+ performance improvement for DLCs
• Enables basic vaults, payment pools, congestion control

More details on DLC improvement: https://covenants.info/use-cases/dlcs/

OP_CSFS

matthewjablack

# %%

import requests

lightning_address = "matthewjablack@walletofsatoshi.com"
amount_in_sats = 3000
amount = amount_in_sats * 1000

# Split the lightning address into username and domain
username, domain = lightning_address.split('@')

matthewjablack

# diff cli for hex strings
# add to your .bashrc or .zshrc

hexdiff() {
    # convert hex strings to binary and then back to formatted hex
    echo "$1" | xxd -r -p | xxd -p -c 1 > /tmp/file1.hex
    echo "$2" | xxd -r -p | xxd -p -c 1 > /tmp/file2.hex

    # use diff and process output with awk
    diff -u /tmp/file1.hex /tmp/file2.hex | awk '

matthewjablack

initiator_funding_input: 41 + script_sig_len bytes
	- previous_out_point: 36 bytes
		- hash: 32 bytes
		- index: 4 bytes
	- var_int: 1 byte (script_sig length)
	- script_sig: script_sig_len bytes
	- witness <----	"witness" is stored
 			separately, and the cost for its size is smaller. So,
 		    the calculation of ordinary data is separated

matthewjablack

Atmoic Loans Liquid Example

The goal of this is to show how an Atomic Loan can be achieved using Liquid (L-BTC as collateral and elements stablecoin asset such as L-USDT)

Parties involved:

1. Alice - Lender

2. Bob - Borrower

matthewjablack

diff --git a/packages/core-wallet-state/src/reducers/networks.js b/packages/core-wallet-state/src/reducers/networks.js
index be622680..c83a39b7 100644
--- a/packages/core-wallet-state/src/reducers/networks.js
+++ b/packages/core-wallet-state/src/reducers/networks.js
@@ -2,11 +2,11 @@ import {
   UPDATE_CURRENT_NETWORK,
   UPDATE_NETWORK_LIST
 } from '../actions/networks';
-import { TESTNET } from '../constants/networks';
+import { MAINNET } from '../constants/networks';

matthewjablack

diff --git a/packages/core-bitcoin/src/apis/transaction.js b/packages/core-bitcoin/src/apis/transaction.js
index 889a3502..535c0c71 100644
--- a/packages/core-bitcoin/src/apis/transaction.js
+++ b/packages/core-bitcoin/src/apis/transaction.js
@@ -17,15 +17,17 @@ const isValidTxnAmount = (balance, totalAmount) => balance.gt(totalAmount);
 export const transfer = async (transaction, network, account) => {
   const { to, amount, unit } = transaction;
   const { transactionUrl } = network;
-  const { balance } = await BalanceAPI.getBalance({
-    account,

matthewjablack

const config = {
  bitcoin: {
    rpc: {
      host: 'http://localhost:18443',
      username: 'bitcoin',
      password: 'local321'
    },
    network: 'bitcoin_regtest',
    value: 1000000,
    mineBlocks: true

matthewjablack

const config = {
  bitcoin: {
    rpc: {
      host: 'http://localhost:18443',
      username: 'bitcoin',
      password: 'local321'
    },
    network: 'bitcoin_regtest',
    value: 1000000,
    mineBlocks: true

matthewjablack

pragma solidity ^0.5.10;

/// @title      ISPVConsumer
/// @author     Summa (https://summa.one)
/// @notice     This interface consumes validated transaction information.
///             It is the primary way that user contracts accept
/// @dev        Implement this interface to process transactions provided by
///             the Relay system.
interface ISPVConsumer {
    /// @notice     A consumer for Bitcoin transaction information.