Bitcoin CLI tooltips and hacks

Bitcoin tooltips and hacks

[mutatrum @mutatrum]

bitcoin-cli getblock $(bitcoin-cli getblockhash 666666) 0 | xxd -r -p | fq -d bitcoin_block '.transactions[] | .outputs[] | select(.scriptpub[0].op == "return") | .scriptpub[1].arg'

[Yuval Adam @yuvadm]

$ bitcoin-cli getblock $(bitcoin-cli getblockhash 0) 2 | jq .tx[0].hex | xxd -r -p | strings | head -n 1

EThe Times 03/Jan/2009 Chancellor on brink of second bailout for banks

Happy Birthday #Bitcoin 🥳

[mutatrum @mutatrum]

bitcoin-cli getblock $(bitcoin-cli getblockhash 0) 0 | xxd -r -p | xxd

[Roman Zeyde @roman_zeyde]

$ bitcoin-cli getblockchaininfo | jq .softforks.taproot.bip9.status
"active"

[Anthony Towns @ajtowns]

@pwuille @Mario_Gibney $ date -d "+$(bitcoin-cli getblockchaininfo | jq '.softforks.taproot.bip9.min_activation_height - .blocks')0 minutes" -uR
Wed, 17 Nov 2021 13:31:05 +0000

[mutatrum @mutatrum]

Finding missed opportunities in lnd.log:

zgrep "insufficient bandwidth to route htlc" ~/.lnd/logs/bitcoin/mainnet/lnd.log* | grep "ChannelLink" | cut -d' ' -f5,11 | awk 'BEGIN { FS=OFS=SUBSEP=" "}{arr[$1]+=$2 }END {for (i in arr) print i,arr[i]}' | sort -n -t' ' -k2 -r

[…::: jon @jonatack]

@zndtoshi if you’re on linux, use it with “watch” for the live experience

watch -t bitcoin-cli -netinfo 4

and for more info, run

bitcoin-cli -netinfo help

[Bitcoin CLI tooltips and hacks @BitcoinToolTips]

# aggragate mempool fees
bitcoin-cli getrawmempool true | fx "Object.keys(this).map(
(e,i,a)=>this[e].fee)
.reduce((a, v)=> a+v)"

[…::: jon @jonatack]

@benthecarman @DoggeBTC list of all the config options
./src/bitcoind -help or ./src/bitcoind -?

list of all the RPCs
./src/bitcoin-cli help

detailed help for an RPC
./src/bitcoin-cli help (rpc call name)
./src/bitcoin-cli help getaddressinfo

[mutatrum @mutatrum]

Bashified the coarse difficulty adjustment estimation.

I'm still not sure if this is a reasonable correct way of estimating an upcoming difficulty adjustment.

[Bitcoin CLI tooltips and hacks @BitcoinToolTips]

# % sync'd
prog() {
local w=80 p=$1; shift
printf -v dots "%*s" "$(( $p*$w/100 ))" ""; dots=${dots// /.}
printf "\r\e[K|%-*s| %3d %% %s" "$w" "$dots" "$p" "$*"
}
while : ; do
prog $(bitcoin-cli getblockchaininfo | jq '.verificationprogress * 100|floor')
sleep 10
done ; echo

[🥪⚡ OneSirMeow 💬👁️❌ @OneSirMeow]

bitcoin-cli -netinfo 4 | grep -E "(bitnodes|https://t.co/BLXNARvh0j|https://t.co/0f4cfWkYZM|btc_node_scanner)" | awk '{ print $10 }' | awk -F: '{print $1}' | xargs -I {} sh -c 'echo "$(date) # banning {} ..."; bitcoin-cli setban "{}" "add" 999999999'

on a cron

[Anthony Towns @ajtowns]

@murchandamus Oh, commands to get this data:
$ ./bitcoin-cli getpeerinfo | grep subver | sort | uniq -c | sort -n

$ tail -n5000000 ~/.bitcoin/debug.log | sed -n 's/.*receive version message: //p;' | sed 's/ version [0-9]*, blocks=.*//' | sort | uniq -c | sort -n

(2nd requires -debug=net)

[Status Quon't @statusquont]

admin@mynode:~$ bitcoin-cli getnetworkinfo
{
"version": 210100,
"subversion": "/Satoshi:0.21.1/"

Upgrade your #bitcoin node

Pass it on.

[mutatrum @mutatrum]

@JohnOnChain bitcoin-cli getpeerinfo | jq -r .[].subver | sort

[mutatrum @mutatrum]

d=1; for ((i=0; i < $(bitcoin-cli getblockchaininfo | jq .blocks); i += 2016)) do n=$(bitcoin-cli getblock $(bitcoin-cli getblockhash $i) | jq .difficulty); c=$(echo "($n/$d * 100) - 100" | bc -l); echo $i: $c; d=$n; done

[mutatrum @mutatrum]

echo $(bitcoin-cli decoderawtransaction $(bitcoin-cli getrawtransaction $(bitcoin-cli getblock $(bitcoin-cli getblockhash 681629) | jq -r '.tx[0]')) | jq -r '.vin[0].coinbase' | xxd -r -p)

[Anthony Towns @ajtowns]

$ bitcoin-cli getblockchaininfo | jq .softforks.taproot.bip9.statistics.count
69

Nice.

[mutatrum @mutatrum]

With Bitcoin Core 0.21.1:

$ bitcoin-cli getblockchaininfo | jq '.softforks.taproot.bip9.statistics | .count / .elapsed * 100'

> 2.2556390977443606