From 88d54d1bba622eabb0b4e7ab65afac1c912e2e55 Mon Sep 17 00:00:00 2001
From: openoms <oms@tuta.io>
Date: Fri, 29 Jan 2021 21:02:02 +0000
Subject: [PATCH] bitcoincore update to v0.21.0

---
 raspiblitz.updates/README.md                  |  13 ++
 .../bitcoincore.update.v0.21.0.sh             | 150 ++++++++++++++++++
 2 files changed, 163 insertions(+)
 create mode 100644 raspiblitz.updates/bitcoincore.update.v0.21.0.sh

diff --git a/raspiblitz.updates/README.md b/raspiblitz.updates/README.md
index c4ed427..107e4ef 100644
--- a/raspiblitz.updates/README.md
+++ b/raspiblitz.updates/README.md
@@ -2,6 +2,19 @@
 
 ## Bitcoin Core Updates
 
+### [v0.21.0](/raspiblitz.updates/bitcoincore.update.v0.21.0.sh)
+* On RaspiBlitz v1.6.3 the peers won't be diplayed correctly.  
+  Use: `bitcoin-cli getnetworkinfo`
+* To download, check and run in the RaspiBlitz terminal:  
+    ```
+    #download:
+    wget https://raw.githubusercontent.com/openoms/bitcoin-tutorials/master/raspiblitz.updates/bitcoincore.update.v0.21.0.sh
+    #inspect the script:
+    cat bitcoincore.update.v0.21.0.sh
+    #run:
+    bash bitcoincore.update.v0.21.0.sh`
+    ```
+
 ### [v0.20.0](/raspiblitz.updates/bitcoincore.update.v0.20.0.sh)
 * Not compatible with LND under v0.8.1, use with RaspiBlitz v1.4 or update LND first.
 * To download and run with a single line paste to the RaspiBlitz terminal:  
diff --git a/raspiblitz.updates/bitcoincore.update.v0.21.0.sh b/raspiblitz.updates/bitcoincore.update.v0.21.0.sh
new file mode 100644
index 0000000..a768445
--- /dev/null
+++ b/raspiblitz.updates/bitcoincore.update.v0.21.0.sh
@@ -0,0 +1,150 @@
+#!/bin/bash
+
+# based on https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_30_bitcoin.md#installation
+
+# set version (change if update is available)
+# https://bitcoincore.org/en/download/
+bitcoinVersion="0.21.0"
+
+# needed to check code signing
+laanwjPGP="01EA5486DE18A882D4C2684590C8019E36C2E964"
+
+echo "Detecting CPU architecture ..."
+isARM=$(uname -m | grep -c 'arm')
+isAARCH64=$(uname -m | grep -c 'aarch64')
+isX86_64=$(uname -m | grep -c 'x86_64')
+if [ ${isARM} -eq 0 ] && [ ${isAARCH64} -eq 0 ] && [ ${isX86_64} -eq 0 ]; then
+  echo "!!! FAIL !!!"
+  echo "Can only build on ARM, aarch64, x86_64 or i386 not on:"
+  uname -m
+  exit 1
+else
+ echo "OK running on $(uname -m) architecture."
+fi
+
+echo "Checking if LND is up-to-date..."
+lndVersion=$(lnd --version | awk '{print $3}' | cut -d'-' -f1 | sed 's/\.//g')
+if [ ${lndVersion} -ge 081 ]; then
+  echo "LND is up-to-date."
+else
+  echo
+  echo "LND is not up-to-date."
+  echo "LND < v0.8.1 is incompatible with Bitcoin Core v0.19.0.1 and above"
+  echo "Please update LND via the update script found here:"
+  echo "https://github.com/openoms/lightning-node-management/tree/master/lnd.updates"
+ exit 1
+fi
+
+echo
+echo "*** PREPARING BITCOIN ***"
+
+# prepare directories
+sudo rm -rf /home/admin/download 2>/dev/null
+sudo -u admin mkdir /home/admin/download 2>/dev/null
+cd /home/admin/download
+
+# download, check and import signer key
+sudo -u admin wget https://bitcoin.org/laanwj-releases.asc
+if [ ! -f "./laanwj-releases.asc" ]
+then
+  echo "!!! FAIL !!! Download laanwj-releases.asc not success."
+  exit 1
+fi
+gpg ./laanwj-releases.asc
+fingerprint=$(gpg ./laanwj-releases.asc 2>/dev/null | grep "${laanwjPGP}" -c)
+if [ ${fingerprint} -lt 1 ]; then
+  echo
+  echo "!!! BUILD WARNING --> Bitcoin PGP author not as expected"
+  echo "Should contain laanwjPGP: ${laanwjPGP}"
+  echo "PRESS ENTER to TAKE THE RISK if you think all is OK"
+  read key
+fi
+gpg --import ./laanwj-releases.asc
+
+# download signed binary sha256 hash sum file and check
+sudo -u admin wget https://bitcoin.org/bin/bitcoin-core-${bitcoinVersion}/SHA256SUMS.asc
+verifyResult=$(gpg --verify SHA256SUMS.asc 2>&1)
+goodSignature=$(echo ${verifyResult} | grep 'Good signature' -c)
+echo "goodSignature(${goodSignature})"
+correctKey=$(echo ${verifyResult} |  grep "using RSA key ${laanwjPGP: -16}" -c)
+echo "correctKey(${correctKey})"
+if [ ${correctKey} -lt 1 ] || [ ${goodSignature} -lt 1 ]; then
+  echo
+  echo "!!! BUILD FAILED --> PGP Verify not OK / signature(${goodSignature}) verify(${correctKey})"
+  exit 1
+else
+  echo
+  echo "****************************************"
+  echo "OK --> BITCOIN MANIFEST IS CORRECT"
+  echo "****************************************"
+  echo
+fi
+
+# get the sha256 value for the corresponding platform from signed hash sum file
+if [ ${isARM} -eq 1 ] ; then
+  bitcoinOSversion="arm-linux-gnueabihf"
+fi
+if [ ${isAARCH64} -eq 1 ] ; then
+  bitcoinOSversion="aarch64-linux-gnu"
+fi
+if [ ${isX86_64} -eq 1 ] ; then
+  bitcoinOSversion="x86_64-linux-gnu"
+fi
+bitcoinSHA256=$(grep -i "$bitcoinOSversion" SHA256SUMS.asc | cut -d " " -f1)
+
+echo
+echo "*** BITCOIN v${bitcoinVersion} for ${bitcoinOSversion} ***"
+
+# download resources
+binaryName="bitcoin-${bitcoinVersion}-${bitcoinOSversion}.tar.gz"
+sudo -u admin wget https://bitcoin.org/bin/bitcoin-core-${bitcoinVersion}/${binaryName}
+if [ ! -f "./${binaryName}" ]
+then
+    echo "!!! FAIL !!! Download BITCOIN BINARY not success."
+    exit 1
+fi
+
+# check binary checksum test
+binaryChecksum=$(sha256sum ${binaryName} | cut -d " " -f1)
+if [ "${binaryChecksum}" != "${bitcoinSHA256}" ]; then
+  echo "!!! FAIL !!! Downloaded BITCOIN BINARY not matching SHA256 checksum: ${bitcoinSHA256}"
+  exit 1
+else
+  echo
+  echo "****************************************"
+  echo "OK --> VERIFIED BITCOIN CHECKSUM CORRECT"
+  echo "****************************************"
+  echo
+fi
+
+echo "Stopping bitcoind and lnd"
+sudo systemctl stop lnd
+sudo systemctl stop bitcoind
+echo
+
+echo "Installing Bitcoin Core v${bitcoinVersion}"
+sudo -u admin tar -xvf ${binaryName}
+sudo install -m 0755 -o root -g root -t /usr/local/bin/ bitcoin-${bitcoinVersion}/bin/*
+sleep 3
+installed=$(sudo -u admin bitcoind --version | grep "${bitcoinVersion}" -c)
+if [ ${installed} -lt 1 ]; then
+  echo
+  echo "!!! BUILD FAILED --> Was not able to install bitcoind version(${bitcoinVersion})"
+  exit 1
+fi
+
+sudo systemctl start bitcoind
+sleep 2
+
+echo
+echo "Installed $(sudo -u admin bitcoind --version | grep version)"
+echo 
+
+sudo systemctl start lnd
+sleep 10
+
+echo "Unlock lnd with the Password C"
+lncli unlock
+echo 
+echo "A restart is recommended to bring all services back online. Use: 'restart' or 'sudo reboot -f'"
+echo