107 lines
3.1 KiB
Bash
107 lines
3.1 KiB
Bash
#!/bin/sh
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# Start Bitcoind in regtest mode
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./src/bitcoind -regtest -daemon -wallet="test" #change wallet name
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echo "wating for regtest bitcoind to start..."
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while ! ./src/bitcoin-cli -regtest getconnectioncount 2>/dev/null 1>&2; do
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echo -n ".";
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sleep 1;
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done
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echo "started"
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# Generate mew address and keys
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ADDR=$(./src/bitcoin-cli -regtest getnewaddress '' bech32)
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PRIVKEY=$(./src/bitcoin-cli -regtest dumpprivkey $ADDR)
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PUBKEY=$(./src/bitcoin-cli -regtest getaddressinfo $ADDR | jq -r .pubkey)
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# Calculate script length and keys
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LENX2=$(printf $PUBKEY | wc -c)
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LEN=$((LENX2/2))
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LENHEX=$(printf '%x\n' $LEN)
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SCRIPT="51${LENHEX}${PUBKEY}51ae"
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# Output the generated values
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cat <<EOF
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ADDR=$ADDR
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PRIVKEY=$PRIVKEY
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PUBKEY=$PUBKEY
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SCRIPT=$SCRIPT
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EOF
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# Stop the regtest node
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./src/bitcoin-cli -regtest stop
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# Create a new directory for the custom signet
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datadir=/root/signet-custom
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mkdir $datadir
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# Write the custom signet configuration
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cat > $datadir/bitcoin.conf <<EOF
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signet=1
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[signet]
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daemon=1
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signetchallenge=$SCRIPT
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EOF
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# Start bitcoind with the custom signet configuration
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./src/bitcoind -datadir=$datadir -wallet="test"
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# Wait for the custom signet to start
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echo "Waiting for custom Signet bitcoind to start"
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while ! ./src/bitcoin-cli -datadir=$datadir getconnectioncount 2>/dev/null 1>&2; do
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echo -n ".";
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sleep 1;
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done
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echo "Started"
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# Import the private key to the custom signet node
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./src/bitcoin-cli -datadir=$datadir importprivkey "$PRIVKEY"
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# Generate a new address for mining
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NADDR=$(./src/bitcoin-cli -datadir=$datadir getnewaddress)
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# Examples from
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# https://github.com/bitcoin/bitcoin/pull/19937#issuecomment-696419619
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# Start mining blocks
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# Include miner.py script into docker
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# Generate the first block to your Address using a specific block time
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./contrib/signet/miner.py --cli="./src/bitcoin-cli -datadir=$datadir" generate 1 --set-block-time=$(date +%s) --address="$NADDR" --grind-cmd='./src/bitcoin-util grind'
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# Navigate to the src directory(this assume that Docker workdir is set to the root)
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cd src/
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# Define neccessary commands and paths
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MINER="../contrib/signet/miner"
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GRIND="./bitcoin-util grind"
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CLI="./bitcoin-cli -datadir=$datadir"
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# Calibrate to find a suitable nbits value (Note: it is possible to adjust this as you see fit)
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NBITS=$($MINER calibrate --grind-cmd="$GRIND" --seconds=250)
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# Generate an address for receiving mining rewards
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ADDR=$(CLI -signet getnewaddress)
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# Advanced Block Generation Process
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# Generate and create a block template. This generates a PSBT, processes it, and submits the block to the Signet network
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$CLI -signet getblocktemplate '{"rules": ["signet","segwit"]}' \
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| $MINER --cli="$CLI" genpsbt --address="$ADDR" \
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| $CLI -signet -stdin walletprocesspsbt \
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| jq -r .psbt \
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| $MINER --cli="$CLI" solvepsbt --grind-cmd="$GRIND" \
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| $CLI -signet -stdin submitblock
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# Mine the first block
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$MINER --cli="$CLI" generate --grind-cmd="$GRIND" --address="$ADDR" --nbits=$NBITS
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# Optional for continues mining
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# $MINER --cli="$CLI" generate --grind-cmd="$GRIND" --address="$ADDR" --nbits=$NBITS --ongoing
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# Stop the custom Signet node
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./bitcoin-cli -datadir=$datadir stop
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