#!/bin/bash
NBITS=${NBITS:-"1e0377ae"} #minimum difficulty in signet
WALLET=${WALLET:-"custom_signet"} # Wallet name for descriptor wallet

while true; do
    ADDR=${MINETO:-$(bitcoin-cli -rpcwallet=$WALLET getnewaddress)}
    if [[ -f "${BITCOIN_DIR}/BLOCKPRODUCTIONDELAY.txt" ]]; then
        BLOCKPRODUCTIONDELAY_OVERRIDE=$(cat ~/.bitcoin/BLOCKPRODUCTIONDELAY.txt)
        echo "Delay OVERRIDE before next block" $BLOCKPRODUCTIONDELAY_OVERRIDE "seconds."
        sleep $BLOCKPRODUCTIONDELAY_OVERRIDE
    else
        BLOCKPRODUCTIONDELAY=${BLOCKPRODUCTIONDELAY:="0"}
        if [[ BLOCKPRODUCTIONDELAY -gt 0 ]]; then
            echo "Delay before next block" $BLOCKPRODUCTIONDELAY "seconds."
            sleep $BLOCKPRODUCTIONDELAY
        fi
    fi
    echo "Mine To:" $ADDR
    # PRIVKEY should be available from .env via run.sh environment
    # The miner will automatically use PRIVKEY from environment for descriptorprocesspsbt
    # Export PRIVKEY to ensure it's available to the miner process
    export PRIVKEY=${PRIVKEY:-$(cat ~/.bitcoin/PRIVKEY.txt 2>/dev/null || echo "")}
    # Get block template and pipe it to miner
    # Use bitcoin-cli with -datadir from BITCOIN_DIR (container env) but without -rpcwallet for miner (descriptorprocesspsbt is node RPC, not wallet RPC)
    bitcoin-cli -rpcwallet=$WALLET getblocktemplate '{"rules": ["segwit", "signet"]}' | \
        miner --cli="bitcoin-cli -datadir=${BITCOIN_DIR:-/root/.bitcoin}" generate --grind-cmd="bitcoin-util grind" --address=$ADDR --nbits=$NBITS --set-block-time=$(date +%s)
done