You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
151 lines
3.7 KiB
151 lines
3.7 KiB
#!/usr/bin/env bash |
|
# Copyright (c) 2014 The Bitcoin Core developers |
|
# Distributed under the MIT/X11 software license, see the accompanying |
|
# file COPYING or http://www.opensource.org/licenses/mit-license.php. |
|
|
|
# Test proper accounting with malleable transactions |
|
|
|
if [ $# -lt 1 ]; then |
|
echo "Usage: $0 path_to_binaries" |
|
echo "e.g. $0 ../../src" |
|
exit 1 |
|
fi |
|
|
|
set -f |
|
|
|
BITCOIND=${1}/bitcoind |
|
CLI=${1}/bitcoin-cli |
|
|
|
DIR="${BASH_SOURCE%/*}" |
|
SENDANDWAIT="${DIR}/send.sh" |
|
if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi |
|
. "$DIR/util.sh" |
|
|
|
D=$(mktemp -d test.XXXXX) |
|
|
|
# Two nodes; one will play the part of merchant, the |
|
# other an evil transaction-mutating miner. |
|
|
|
D1=${D}/node1 |
|
CreateDataDir $D1 port=11000 rpcport=11001 |
|
B1ARGS="-datadir=$D1" |
|
$BITCOIND $B1ARGS & |
|
B1PID=$! |
|
|
|
D2=${D}/node2 |
|
CreateDataDir $D2 port=11010 rpcport=11011 |
|
B2ARGS="-datadir=$D2" |
|
$BITCOIND $B2ARGS & |
|
B2PID=$! |
|
|
|
# Wait until both nodes are at the same block number |
|
function WaitBlocks { |
|
while : |
|
do |
|
sleep 1 |
|
declare -i BLOCKS1=$( GetBlocks $B1ARGS ) |
|
declare -i BLOCKS2=$( GetBlocks $B2ARGS ) |
|
if (( BLOCKS1 == BLOCKS2 )) |
|
then |
|
break |
|
fi |
|
done |
|
} |
|
|
|
# Wait until node has $N peers |
|
function WaitPeers { |
|
while : |
|
do |
|
declare -i PEERS=$( $CLI $1 getconnectioncount ) |
|
if (( PEERS == "$2" )) |
|
then |
|
break |
|
fi |
|
sleep 1 |
|
done |
|
} |
|
|
|
echo "Generating test blockchain..." |
|
|
|
# Start with B2 connected to B1: |
|
$CLI $B2ARGS addnode 127.0.0.1:11000 onetry |
|
WaitPeers "$B1ARGS" 1 |
|
|
|
# 1 block, 50 XBT each == 50 XBT |
|
$CLI $B1ARGS setgenerate true 1 |
|
|
|
WaitBlocks |
|
# 100 blocks, 0 mature == 0 XBT |
|
$CLI $B2ARGS setgenerate true 100 |
|
WaitBlocks |
|
|
|
CheckBalance "$B1ARGS" 50 |
|
CheckBalance "$B2ARGS" 0 |
|
|
|
# restart B2 with no connection |
|
$CLI $B2ARGS stop > /dev/null 2>&1 |
|
wait $B2PID |
|
$BITCOIND $B2ARGS & |
|
B2PID=$! |
|
|
|
B2ADDRESS=$( $CLI $B2ARGS getaccountaddress "from1" ) |
|
|
|
# Have B1 create two transactions; second will |
|
# spend change from first, since B1 starts with only a single |
|
# 50 bitcoin output: |
|
$CLI $B1ARGS move "" "foo" 10.0 > /dev/null |
|
$CLI $B1ARGS move "" "bar" 10.0 > /dev/null |
|
TXID1=$( $CLI $B1ARGS sendfrom foo $B2ADDRESS 1.0 0) |
|
TXID2=$( $CLI $B1ARGS sendfrom bar $B2ADDRESS 2.0 0) |
|
|
|
# Mutate TXID1 and add it to B2's memory pool: |
|
RAWTX1=$( $CLI $B1ARGS getrawtransaction $TXID1 ) |
|
# RAWTX1 is hex-encoded, serialized transaction. So each |
|
# byte is two characters; we'll prepend the first |
|
# "push" in the scriptsig with OP_PUSHDATA1 (0x4c), |
|
# and add one to the length of the signature. |
|
# Fields are fixed; from the beginning: |
|
# 4-byte version |
|
# 1-byte varint number-of inputs (one in this case) |
|
# 32-byte previous txid |
|
# 4-byte previous output |
|
# 1-byte varint length-of-scriptsig |
|
# 1-byte PUSH this many bytes onto stack |
|
# ... etc |
|
# So: to mutate, we want to get byte 41 (hex characters 82-83), |
|
# increment it, and insert 0x4c after it. |
|
L=${RAWTX1:82:2} |
|
NEWLEN=$( printf "%x" $(( 16#$L + 1 )) ) |
|
MUTATEDTX1=${RAWTX1:0:82}${NEWLEN}4c${RAWTX1:84} |
|
# ... give mutated tx1 to B2: |
|
MUTATEDTXID=$( $CLI $B2ARGS sendrawtransaction $MUTATEDTX1 ) |
|
|
|
echo "TXID1: " $TXID1 |
|
echo "Mutated: " $MUTATEDTXID |
|
|
|
# Re-connect nodes, and have B2 mine a block |
|
# containing the mutant: |
|
$CLI $B2ARGS addnode 127.0.0.1:11000 onetry |
|
$CLI $B2ARGS setgenerate true 1 |
|
WaitBlocks |
|
|
|
# B1 should have 49 BTC; the 2 BTC send is |
|
# conflicted, and should not count in |
|
# balances. |
|
CheckBalance "$B1ARGS" 49 |
|
CheckBalance "$B1ARGS" 49 "*" |
|
CheckBalance "$B1ARGS" 9 "foo" |
|
CheckBalance "$B1ARGS" 10 "bar" |
|
|
|
# B2 should have 51 BTC |
|
CheckBalance "$B2ARGS" 51 |
|
CheckBalance "$B2ARGS" 1 "from1" |
|
|
|
$CLI $B2ARGS stop > /dev/null 2>&1 |
|
wait $B2PID |
|
$CLI $B1ARGS stop > /dev/null 2>&1 |
|
wait $B1PID |
|
|
|
echo "Tests successful, cleaning up" |
|
rm -rf $D |
|
exit 0
|
|
|