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added some sanity checks before copying bitcoin.conf

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This commit is contained in:
jash
2018-11-04 01:52:17 +01:00
committed by kexkey
parent 6cbb12aa3a
commit ff291c4a0e
1 changed files with 117 additions and 5 deletions
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122
dist/setup.sh vendored
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@@ -216,7 +216,7 @@ copy_file() {
fi
doCopy=1
else
logline "identical $targetFile"
logline "identical $sourceFile == $targetFile"
fi
else
doCopy=1
@@ -224,7 +224,7 @@ copy_file() {
if [[ $doCopy == 1 ]]; then
local basename=$(basename "$sourceFile")
step " copy $basename "
step " copy $sourceFile => $targetFile "
try ${sudo}cp $sourceFile $targetFile
next
fi
@@ -258,6 +258,84 @@ create_user() {
fi
}
process_bitcoinconf() {
local bitcoinconf=$1
# grep for prune entry and delete all whitespaces
local pruneEntry=$(grep -e ^prune $bitcoinconf | tr -d '[:space:]')
local txindexEntry=$(grep -e ^txindex $bitcoinconf | tr -d '[:space:]')
local testnetEntry=$(grep -e ^testnet $bitcoinconf | tr -d '[:space:]')
local regtestEntry=$(grep -e ^regtest $bitcoinconf | tr -d '[:space:]')
local prune=0
local txindex=0
local testnet=0
local regtest=0
if [[ $pruneEntry =~ ^prune && ! $pruneEntry == 'prune=0' ]]; then
prune=1
fi
if [[ $txindexEntry =~ ^txindex && ! $txindexEntry == 'txindex=0' ]]; then
txindex=1
fi
if [[ $testnetEntry =~ ^testnet && ! $testnetEntry == 'testnet=0' ]]; then
testnet=1
fi
if [[ $regtestEntry =~ ^regtest && ! $regtestEntry == 'regtest=0' ]]; then
regtest=1
fi
# prune & txindex: 3
# !prune & txindex: 2
# prune & !txindex: 1
# !prune & !txindex: 0
echo $(($prune|$txindex<<1|$testnet<<2|$regtest<<3))
}
compare_bitcoinconf() {
local new_bitcoinconf=$1
local old_bitcoinconf=$2
local old_config=$(process_bitcoinconf $old_bitcoinconf )
local new_config=$(process_bitcoinconf $new_bitcoinconf )
local old_prune=$(($old_config&1))
local old_txindex=$((($old_config>>1)&1))
local old_testnet=$((($old_config>>2)&1))
local old_regtest=$((($old_config>>3)&1))
local new_prune=$(($new_config&1))
local new_txindex=$((($new_config>>1)&1))
local new_testnet=$((($new_config>>2)&1))
local new_regtest=$((($new_config>>3)&1))
local status
if [[ $new_prune == 1 && $old_prune == 0 ]]; then
# warn about data loss
# ask for user permission
status='dataloss'
fi
if [[ $new_txindex == 1 && $old_txindex == 0 ]]; then
# warn about reindexing
status='reindex'
fi
if [[ ! $new_testnet == $old_testnet || ! $new_regtest == $old_regtest ]]; then
# warn about reindexing
status='incompatible'
fi
echo $status
}
install_docker() {
local sudo=0
@@ -273,7 +351,7 @@ install_docker() {
archpath="rpi"
fi
local sourceDataPath=./
local sourceDataPath=.
if [ ! -d $GATEKEEPER_DATAPATH ]; then
step " create $GATEKEEPER_DATAPATH"
@@ -310,7 +388,37 @@ install_docker() {
next
fi
if [ -d $BITCOIN_DATAPATH ]; then
copy_file $sourceDataPath/bitcoin/bitcoin.conf $BITCOIN_DATAPATH/bitcoin.conf 1 ${sudo}
local cmpStatus=$(compare_bitcoinconf $sourceDataPath/bitcoin/bitcoin.conf $BITCOIN_DATAPATH/bitcoin.conf)
if [[ $cmpStatus == 'dataloss' ]]; then
if [[ $ALWAYSYES == 1 ]]; then
copy_file $sourceDataPath/bitcoin/bitcoin.conf $BITCOIN_DATAPATH/bitcoin.conf 1 ${sudo}
else
while true; do
echo " Really copy bitcoin.conf with pruning option?"
read -p " This will discard some blockchain data. (yn) " yn
case $yn in
[Yy]* ) copy_file $sourceDataPath/bitcoin/bitcoin.conf $BITCOIN_DATAPATH/bitcoin.conf 1 ${sudo}; break;;
[Nn]* ) copy_file $sourceDataPath/bitcoin/bitcoin.conf $BITCOIN_DATAPATH/bitcoin.conf.cyphernode 0 ${sudo}
echo " Your cyphernode installation is most likely broken."
echo " Please check bitcoin.conf.cyphernode on how to repair it manually.";
break;;
* ) echo "Please answer yes or no.";;
esac
done
fi
elif [[ $cmpStatus == 'incompatible' ]]; then
copy_file $sourceDataPath/bitcoin/bitcoin.conf $BITCOIN_DATAPATH/bitcoin.conf.cyphernode 0 ${sudo}
echo " Blockchain data is not compatible, due to misconfigured nets."
echo " Your cyphernode installation is most likely broken."
echo " Please check bitcoin.conf.cyphernode on how to repair it manually."
else
if [[ $cmpStatus == 'reindex' ]]; then
echo " Warning Reindexing will take some time."
fi
copy_file $sourceDataPath/bitcoin/bitcoin.conf $BITCOIN_DATAPATH/bitcoin.conf 1 ${sudo}
fi
fi
fi
@@ -392,8 +500,9 @@ CONFIGURE=0
INSTALL=0
RECREATE=0
TRACING=1
ALWAYSYES=0
while getopts ":cirh" opt; do
while getopts ":cirhy" opt; do
case $opt in
r)
RECREATE=1
@@ -404,6 +513,9 @@ while getopts ":cirh" opt; do
i)
INSTALL=1
;;
y)
ALWAYSYES=1
;;
h)
echo "Use -c to configure and -i to install or -r to recreate from config.json." >&2
exit