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contrib/short_channel_id-to-txid.sh: simple mapping util.

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I use this to look up on smartbit.com.au to see if a channel is spent,
for example.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2018-08-17 14:26:56 +09:30 • committed by Christian Decker
parent c2aa4e51dd
commit 2314a4aa5d
1 changed files with 15 additions and 0 deletions
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contrib/short_channel_id-to-txid.sh Executable file
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#! /bin/sh
set -e
if [ "$#" != 1 ]; then
echo Usage: "$0" "short:channel:id" >&2
echo Uses bitcoin-cli to extract the actual txid >&2
exit 1
fi
BLOCK=$(echo "$1" | cut -d: -f1)
TXNUM=$(echo "$1" | cut -d: -f2)
bitcoin-cli getblock "$(bitcoin-cli getblockhash "$BLOCK")" true | grep '^ "' | head -n "$((TXNUM + 1))" | tail -n 1 | tr -dc '0-9a-f\n'