Chris Stewart Christewart

Christewart / serialize_bitcoin_script

Created May 5, 2016 20:32

	//Shows how to print a bitcoin script to stdout
	#include <iostream>
	#include "core_write.h"
	cout << "Script being executed: " << ScriptToAsmStr(script) << std::endl;

Christewart / gist:dcd622b4ae8832a91c3d

Created March 19, 2016 20:50

Running bitcoin core test case and getting tx hex to stdout

	chris@chris:~/.../src/test$ ./test_bitcoin -t script_tests/script_valid
	Running 1 test case...
	tests: [["Automatically generated test cases"],["0x47 0x304402200a5c6163f07b8d3b013c4d1d6dba25e780b39658d79ba37af7057a3b7f15ffa102201fd9b4eaa9943f734928b99a83592c2e7bf342ea2680f6a2bb705167966b742001","0x41 0x0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 CHECKSIG","","P2PK"]]
	Transaction: 01000000019ce5586f04dd407719ab7e2ed3583583b9022f29652702cfac5ed082013461fe000000004847304402200a5c6163f07b8d3b013c4d1d6dba25e780b39658d79ba37af7057a3b7f15ffa102201fd9b4eaa9943f734928b99a83592c2e7bf342ea2680f6a2bb705167966b742001ffffffff0100000000000000000000000000
	Done
	*** No errors detected

Christewart / tx_to_stdout_hex.cpp

Created March 19, 2016 20:39

Bitcoin Core transaction to stdout in hex format

	CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
	ss << tx;
	printf("Transaction: %s\n", HexStr(ss).c_str());

Christewart / Script 4

Last active February 1, 2016 15:29

	//OP_0 OP_IF,OP_1, OP_IF,OP_RETURN, OP_ELSE, OP_RETURN, OP_ELSE, OP_RETURN,OP_ENDIF,
	//OP_ELSE, OP_1,OP_IF,OP_1,OP_ELSE,
	//OP_RETURN,OP_ELSE,OP_1,OP_ENDIF, OP_ELSE,OP_RETURN,OP_ENDIF,OP_ADD,OP_2,OP_EQUAL
	OP_0
	OP_IF
	OP_1
	OP_IF
	OP_RETURN
	OP_ELSE
	OP_RETURN

Christewart / Script 3

Created January 30, 2016 15:04

	//"0", "IF 1 IF RETURN ELSE RETURN ELSE RETURN ENDIF ELSE 1 IF 1 ELSE RETURN ELSE 1 ENDIF ELSE RETURN ENDIF ADD 2 EQUAL

	0
	OP_IF
	1
	OP_IF
	OP_RETURN
	OP_ELSE
	OP_RETURN
	OP_ELSE

Christewart / Parsing OP_IF OP_ELSE Script expression 2

Last active January 27, 2016 20:40

	//1 OP_IF, OP_IF, OP_1, OP_ELSE, OP_0, OP_ENDIF, OP_ELSE, OP_IF, OP_0, OP_ELSE, OP_1, OP_ENDIF, OP_ENDIF
	1
	OP_IF
	OP_IF
	OP_1
	OP_ELSE
	OP_0
	OP_ENDIF
	OP_ELSE
	OP_IF

Christewart / Parsing Bitcoin Script OP_IF OP_ELSE expressions

Last active February 2, 2016 22:11

	//original script
	//0 IF 1 IF RETURN ELSE RETURN ELSE RETURN ENDIF ELSE 1 IF 1 ELSE RETURN ELSE 1 ENDIF ELSE RETURN ENDIF ADD 2 EQUAL

	//OP_IF RULE
	//If the top stack value is not 0, the statements are executed. The top stack value is removed.

	//OP_ELSE RULE
	//If the preceding OP_IF or OP_NOTIF or OP_ELSE was not executed then these statements are and
	//if the preceding OP_IF or OP_NOTIF or OP_ELSE was executed then these statements are not.
	0