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View GitHub Profile
View gist:455329
package spike
import util.Random
class Neuron(nm: String, ns: List[Neuron], rnd: Random) {
val (a, b, rate) = (1.7159, 2.0/3.0, 0.1)
val dendrites = connect(ns)
val name = nm
// need to remember output and gather error for training
View Indy.java
package dyn;
import org.objectweb.asm.*;
import org.objectweb.asm.util.TraceClassVisitor;
import sun.dyn.anon.AnonymousClassLoader;
import java.io.PrintWriter;
public class Indy implements Opcodes {
@matthieu
matthieu / gist:b07c5ba27bc99188a15f
Last active Apr 13, 2019
Create and send a Bitcoin transaction using the BlockCypher Transaction API
View gist:b07c5ba27bc99188a15f
# In this example we're sending some test bitcoins from an address we control to a brand new test
# address. We'll be sending the coins using the following address, public and private keys (please
# don't abuse).
# address : mtWg6ccLiZWw2Et7E5UqmHsYgrAi5wqiov
# public : 03bb318b00de944086fad67ab78a832eb1bf26916053ecd3b14a3f48f9fbe0821f
# private : 1af97b1f428ac89b7d35323ea7a68aba8cad178a04eddbbf591f65671bae48a2
# 1. generate a one-shot dummy address we're going to send money to
$ curl -X POST http://api.blockcypher.com/v1/btc/test3/addrs
{
@matthieu
matthieu / gist:d78bd39a6709c5be3dcd
Created Mar 7, 2015
Sending op_return transactions with BlockCypher
View gist:d78bd39a6709c5be3dcd
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Block Cypher</title>
<!-- Bootstrap -->
<link href="css/bootstrap.css" rel="stylesheet">
@matthieu
matthieu / send_a_candy.json
Created Mar 11, 2015
Partial JSON to POST to BlockCypher for a candy-size microtransaction
View send_a_candy.json
{
"from_private": "da01587298ff1721a968539e87329abe18f9b20cb46124eb650671662d3acd1a",
"value_satoshis": 2000000,
"token": "37048cd01f250eca918ab55b658de3ec"
}
@matthieu
matthieu / new_address_curl
Last active Aug 29, 2015
Get a new address and keys from BlockCypher
View new_address_curl
$ curl -X POST https://api.blockcypher.com/v1/btc/main/addrs
{
"private": "da01587298ff1721a968539e87329abe18f9b20cb46124eb650671662d3acd1a",
"public": "02d47eaaca7f9b96a977c996396d1668a729155c02a18a37429ca5be9cfda91893",
"address": "1PjfjXBM4GQs8FaNFESiUZzQwVxMHXdBXG",
"wif": "L4XV4V5ACQmrtJn7ombma3sdqNrn1T9FFfwjLUaHVmd7Qz5iNHTt"
}
@matthieu
matthieu / encrypt_send_a_candy
Last active Aug 29, 2015
Encrypt a JSON file before POSTing to BlockCypher
View encrypt_send_a_candy
$ openssl enc -aes-256-cbc -base64 -in send_a_candy.json -out send_a_candy.json.aes256
@matthieu
matthieu / send_a_candy.sh
Last active Aug 29, 2015
Decrypts and send the send_a_candy JSON to BlockCypher to create a microtransaction
View send_a_candy.sh
#!/bin/bash
openssl enc -d -aes-256-cbc -base64 -in send_a_candy.json.aes256 2>&1 | \
curl -H "Content-Type: application/json" -d @- https://api.blockcypher.com/v1/btc/main/txs/micro?to_address=$1
View keybase.md

Keybase proof

I hereby claim:

  • I am matthieu on github.
  • I am mriou (https://keybase.io/mriou) on keybase.
  • I have a public key whose fingerprint is 45B8 A602 A54E FB5E 0DEC 4970 E272 A45F 78F3 61CB

To claim this, I am signing this object:

@matthieu
matthieu / gist:f18b54cb91c31d39ba54
Last active Aug 29, 2015
Validate the tosign data returned by BlockCypher
View gist:f18b54cb91c31d39ba54
# create the transaction
$ curl -d '{"inputs": [{"addresses": ["mtWg6ccLiZWw2Et7E5UqmHsYgrAi5wqiov"]}],
"outputs":[{"addresses": ["mzUqjgiGc3Mqh5zMiP5vXDNd7Hwx3K1xCU"], "value": 25000}]}' \
https://api.blockcypher.com/v1/btc/test3/txs/new?includeToSignTx=true
{
"tx": {
"block_height": -1,
"hash": "568acff13300b471d384e16a1a6d449be704e97b819f051dc4f1fb246726e471",
"addresses": [
"mzUqjgiGc3Mqh5zMiP5vXDNd7Hwx3K1xCU",
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