Learning-Bitcoin-from-the-C.../src/04_2_i_txfee-calc.sh
2020-10-20 13:05:49 -10:00

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#!/bin/bash
if [ -z $1 ];
then
echo "You must include the raw transaction hex as an argument.";
exit;
fi
usedtxid=($(bitcoin-cli decoderawtransaction $1 | jq -r '.vin | .[] | .txid'))
usedvout=($(bitcoin-cli decoderawtransaction $1 | jq -r '.vin | .[] | .vout'))
btcin=$(for ((i=0; i<${#usedtxid[*]}; i++)); do txid=${usedtxid[i]}; vout=${usedvout[i]}; bitcoin-cli listunspent | jq -r '.[] | select (.txid | contains("'${txid}'")) | select(.vout | contains('$vout')) | .amount'; done | awk '{s+=$1} END {print s}')
btcout=$(bitcoin-cli decoderawtransaction $1 | jq -r '.vout [] | .value' | awk '{s+=$1} END {print s}')
echo "$btcin-$btcout"| /usr/bin/bc