functions-wallet

#!/bin/bash
# wallet functions file for nntools
#
# @author webworker01
#

sendRaw()
{
    local rawtx=$1
    local acname=${2^^}
    local setnlocktime=$3

    if [[ ! -z $acname ]] && [[ $acname != "KMD" ]]; then
        coin=${acname}
        asset=" -ac_name=${acname}"
    else
        coin="KMD"
        asset=""
    fi

    if [[ ! -z ${setnlocktime} ]] && [[ ${setnlocktime} == "1" ]]; then
        nlocktime=$(printf "%08x" $(date +%s) | dd conv=swab 2> /dev/null | rev)
    else
        nlocktime="00000000"
    fi

    sapling=$(isSapling $coin)

    if [[ ! -z $rawtx ]]; then
        if (( sapling > 0 )); then
            txtail="000000000000000000000000000000"
            hex="${rawtx:0:${#rawtx}-38}${nlocktime}${txtail}"
        else
            hex="${rawtx:0:${#rawtx}-8}${nlocktime}"
        fi

        signedtx=$($komodocli $asset signrawtransaction $hex | jq -r '.hex')

        if [[ ! -z $signedtx ]]; then
            rawtxid=$($komodocli $asset sendrawtransaction $signedtx)
        else
            rawtxid="failed no signed tx"
        fi

        echo "${rawtxid}"
    else
        echo "failed"
    fi
}

calcFee()
{
    local vins=$1
    local vouts=$2
    local scripttypein=$3
    local scripttypeout=$4
    local feeperkb=$5

    if [[ $scripttypein == "p2pk" ]]; then
        local vinmultiplier=114
    else
        local vinmultiplier=150
    fi

    if [[ $scripttypeout == "p2pk" ]]; then
        local voutmultiplier=44
    else
        local voutmultiplier=35
    fi

    local size=$(bc -l <<< "${vins} * ${vinmultiplier} + ${vouts} * ${voutmultiplier} + 30")
    local fee=$( printf "%.8f" $(bc -l <<< "${size} / 1000 * ${feeperkb}") )
    # log "calcfee" "size: ${size} fee: ${fee}" "" "file"

    echo "${fee}"
}

#
# Send up to 400 UTXOs at a time to $nn_address
# @param acname Specify the coin name
#
consolidateUTXOs ()
{
    local acname=${1^^}
    local exclude_amount=${2}

    number_regex='^[0-9]+([.][0-9]+)?$'

    if [[ ${acname} != "KMD" ]]; then
        coin=${acname}
        asset=" -ac_name=${acname}"
        feepkb=$sctxfeeperkb
    else
        coin="KMD"
        asset=""
        feepkb=$txfeeperkb
    fi

    if [[ -z $exclude_amount ]]; then
        filter_amount=0
        exclude_amount=0
    #check amount is a number
    elif [[ ! -z $exclude_amount ]] && ! [[ $exclude_amount =~ $number_regex ]] ; then
        log "consolidate" "${acname} - exclude_amount must be a number, got ${exclude_amount}" "red" "file"
        exit 0
    else
        filter_amount=1
        exclude_amount=$exclude_amount
    fi

    unspent=$($komodocli $asset listunspent)
    if (( ${filter_amount} > 0 )); then
        consolidateutxo=$(jq --arg checkaddr $nn_address --arg exclude_amount $exclude_amount '[.[] | select (.amount!=($exclude_amount|tonumber) and .address==$checkaddr and .spendable==true)] | sort_by(-.amount)[0:399]' <<< $unspent)
    else
        consolidateutxo=$(jq --arg checkaddr $nn_address '[.[] | select (.address==$checkaddr and .spendable==true)] | sort_by(-.amount)[0:399]' <<< $unspent)
    fi
    consolidatethese=$(jq -r '[.[] | {"txid":.txid, "vout":.vout}] | tostring' <<< $consolidateutxo)
    consolidatetheselength=$(jq -r '. | length' <<< $consolidateutxo)
    consolidateamount=$(jq -r '[.[].amount] | add' <<< $consolidateutxo)

    txfee=$(calcFee ${consolidatetheselength} 1 "p2pkh" "p2pkh" $feepkb)

    if [[ "$consolidateamount" != "null" ]]; then
        consolidateamountfixed=$( printf "%.8f" $(bc -l <<< "(${consolidateamount}-${txfee})") )

        if (( $(echo "$consolidateamountfixed > 0" | bc -l) )); then

            rawtxresult=$($komodocli $asset createrawtransaction "${consolidatethese}" '''{ "'$nn_address'": '$consolidateamountfixed' }''')
            rawtxid=$(sendRaw ${rawtxresult} ${coin} 1)

            log "consolidate" "${coin} - Sent $consolidateamount to $nn_address TXID: $rawtxid" "green" "file"
            echo $rawtxid
        fi
    fi
}

waitForConfirm()
{
    local acname=${1^^}
    local txid=${2}

    if [[ ${acname} != "KMD" ]]; then
        asset=" -ac_name=${acname}"
        # txfeeperkb=$sctxfeeperkb
    else
        asset=""
        # txfeeperkb=${txfeeperkb}
    fi

    i=0
    confirmations=0
    while [ "$confirmations" -eq "0" ]; do
        sleep 10
        confirmations=$(${komodocli} ${asset} gettransaction ${txid} | jq .confirmations)
        i=$((i+1))
        log "waitForConfirm" "[${acname}] - waiting for confirmation ${confirmations} (${i}) - ${txid}" "red" "echo"
    done
}