Mine Bitcoin blocks using a dedicated wallet

Author: BowTiedRadone

README.md

@@ -163,7 +163,7 @@ make down-prom
 ## Containers
 
 - **bitcoin**: Runs a bitcoin regtest node
-- **bitcoin-miner**: creates 3 bitcoin regtest wallets and mines regtest blocks at a configurable cadence
+- **bitcoin-miner**: creates 3 bitcoin regtest wallets and mines regtest blocks at a configurable cadence. After initial setup (~200 blocks), creates a dedicated "block-producer" wallet for ongoing Bitcoin block production to prevent conflicts with Stacks mining operations
 - **stacks-miner-1**: mines stacks blocks and sends events to stacks-signer-1
 - **stacks-miner-2**: mines stacks blocks and sends events to stacks-signer-2
 - **stacks-miner-3**: mines stacks blocks and sends events to stacks-signer-3
@@ -175,6 +175,16 @@ make down-prom
 - **stacker**: stack for `stacks-signer-1`, `stacks-signer-2` and `stacks-signer-3`
 - **tx-broadcaster**: submits token transfer txs to ensure stacks block production during a sortition
 
+## Bitcoin Miner
+*Dedicated address for Bitcoin block production after initial setup (~200 blocks). This prevents conflicts with Stacks mining operations.*
+
+```text
+‣ Private Key:            4e24c0d8c63ea819073a1f06975086c841410fbb343eb0ac4e26a64e358a5ce801
+‣ Public Key:             02a0ea619414702c61a854d28c6806b436c814b85245b50b494a7df680b69ae4d1
+‣ BTC Address:            mjVRH4vD5bAy3r5Z9FEjhHfA9mLZHQMKkC
+‣ WIF:                    cQKvvYqV5TcQyw7TTn6g4pMGm8BaweJvKg8TTR8iN5RHCihREFx8
+```
+
 ## Stacks Miner Accounts
 
 ### Miner 1
@@ -183,7 +193,7 @@ make down-prom
 ‣ Mnemonic:               lunar amount hard result reunion aisle goat fluid sorry modify minute pretty point visa cart material left tilt travel sausage library clutch wire tuna
 ‣ Private Key:            23ad69119000a241706486b9349556bdc6dfabdf9d9131b153a57c6b0330fb0d01
 ‣ Public Key:             0383bca67d28fce336ea7c2fc1120ecc63fbe55e89251e20587c2eb877f971e56b
-‣ BTC Address:            miEJtNKa3ASpA19v5ZhvbKTEieYjLpzCYT
+‣ BTC Address:            moARgPEufCG3BXqpZLR9wLZZufzeASFjxY
 ‣ Stacks Address:         ST19XY8C456FWH704JR77ZKFTPBNVNK52Q1CK01JD
 ‣ WIF:                    cNn45HMeSuFeqg3pQESEuLz9FnmiYS83s11snXqDFqX4audaJbcb
 ‣ Miner Rewards
@@ -196,33 +206,29 @@ make down-prom
 ### Miner 2
 
 ```text
-‣ Mnemonic:               cherry lawn pull huge drift wisdom capable bulk tragic street first foam onion above come smart eyebrow about soon jungle select used front ecology
-‣ Private Key:            1415e80bf3fe30fe95889c676681b4f64447f8888f718381840224b14ef4b97801
-‣ Public Key:             03a1940aedd43c39a39c73a1686faaabc67b6bd918d9710292e6c400308df0130e
-‣ BTC Address:            mxxRn3xP98tSJCUXxABq4dgg4SziNacF1Y
-‣ Stacks Address:         ST2ZMPYMHV80HGY99P9B81CN8E66JHBYVXB8P5F55
-‣ WIF:                    cNFkBfqr4tz3V7pcKbBvcibKsZ6XnTmcTwyWoqGm4CStmqN1bqh8
+‣ Private Key:            ca9401c893f2036f480205948d8f142bca1cbe970978a97439ba1ccf4dbabb2a01
+‣ Public Key:             037f705fffab4de974d10563828ee3bf0c3e2e4f318f9ae670b8374a7b890195a2
+‣ BTC Address:            muKzige2rgaiSC9kxYhwHydeCtwdA49D7b
+‣ Stacks Address:         ST2BQYDCV0CG5Q4DRZBBB3DFZW5DS6NN5HSSXH39X
+‣ WIF:                    cUNVCr3LXpQmZciFRmz7m2JVozRZuRE7dYUXzRUcfXjnYN5SgyBL
 ‣ Miner Rewards
   ‣ Stacks address:         ST2FW15NGB4H76FMVXKHYYSM865YVS6V3SA1GNABC
   ‣ Private Key:            fe3087801196d8027008146b13e6d365920c2e4b7bc9969729ec2f0f22ef74fc01
-  ‣ Mnemonic:               acoustic physical genre canal today zone confirm whale fashion payment blanket slush crumble version exercise catch candy birth meadow penalty until protect kid wage
   ‣ WIF:                    cW6p6zjVTXFXKQu3JmwfvRtkM5nAqCe1nakyhbd1VrZU59FJLew1
 
 ```
 
 ### Miner 3
 
 ```text
-‣ Mnemonic:               identify test gallery pave now pet just gospel erupt walnut demand oyster old trigger soup zoo sheriff oyster twenty tragic license casual twelve depth
-‣ Private Key:            c1c3f3f7bb8cc0b64c3be0f79488a3b1e3dbca62f23a5ac84e13beba78cc961301
-‣ Public Key:             025511871cb065df0ac108d149b5abe2267242745fd02b1d7a5fafb8dcf3ad66ce
-‣ BTC Address:            miBGjFEQveJSbzFwB9XJ9a4GmkY3Unmb7b
-‣ Stacks Address:         STEJYWJ2Y7E72AF9JMRWZWNR11ADBJBHD45P7D7K
-‣ WIF:                    cU5McyYQu1VJw6tzekyAJd1Jm9NVtjkPhrcbyVm8LgGdiW1Htrf4
+‣ Private Key:            a549000d3c6da1037c2ae8201400d1abb2cc1230f9e415f9000af94d1ffd7ee601
+‣ Public Key:             03180a98f60f943f1594adec7cd39d639a0cc5109a33219c268c796d55096fe66b
+‣ BTC Address:            mzD36ZSkb2bKw9ZXC6ihuYqfXWE29SakAF
+‣ Stacks Address:         ST36GDT9KR00X36ZR4JJC6634MPS7W0KMX38P3DT1
+‣ WIF:                    cT7zdNXZErXZxNqEPuuH8rFZU9shEhJ2Ri8YEYFiB9NiUrLgYEyC
 ‣ Miner Rewards
   ‣ Stacks address:         ST2MES40ZEXTX9M4YXW9QSWHRVC9HYT419S198VPM
   ‣ Private Key:            ed7eb063c61b8e892987228f1fcfb74eab5009568861613dc4b074b708a7893701
-  ‣ Mnemonic:               verb face bag shaft snack alcohol consider fork boat gate any energy property vessel olive system spin seek mean recipe layer catch anger bacon
   ‣ WIF:                    cVYMsUwHAZCdwfXZ2rgXWrFJDfqW2TrvLBAVpWCLCteCTTbv7UXL
 
 

docker/bitcoin/miner.sh

@@ -117,13 +117,35 @@ function mining_loop(){
     echo
     local mined_block_counter
     local block_height
+    local bitcoin_block_producer_wallet="${BITCOIN_BLOCK_PRODUCER_BTC_WALLET}"
+    local bitcoin_block_producer_addr="${BITCOIN_BLOCK_PRODUCER_BTC_ADDR}"
+
+    # Create dedicated block producer wallet for mining after initial setup
+    echo "Setting up dedicated block producer wallet..."
+    echo "    - wallet: ${bitcoin_block_producer_wallet}"
+    echo "    - address: ${bitcoin_block_producer_addr}"
+    if ! get_wallet_info "${bitcoin_block_producer_wallet}"; then
+        if ! create_wallet "${bitcoin_block_producer_wallet}"; then
+            echo "ERROR creating block producer wallet"
+            exit 1
+        fi
+    fi
+    # Import the predefined block producer address
+    if ! get_address_info "${bitcoin_block_producer_wallet}" "${bitcoin_block_producer_addr}"; then
+        if ! import_address "${bitcoin_block_producer_wallet}" "${bitcoin_block_producer_addr}"; then
+            echo "ERROR importing block producer address"
+            exit 1
+        fi
+    fi
+    echo "Block producer wallet setup complete"
+    echo
+
     mined_block_counter=0 # set the counter before the loop starts
     block_height=$(get_height) # get the block height
     while true; do
         echo "******************************************"
         local conf_counter=0
         local confs=""
-        local random="" # for tracking which array element we're using
         local sleep_duration=${MINE_INTERVAL}
         # loop through addresses and see if there are any mining txs in the list
         for i in $(seq 0 $((NUM_MINERS - 1)));do
@@ -139,11 +161,11 @@ function mining_loop(){
             else
                 echo "Detected Stacks mining mempool tx, mining btc block..."
             fi
-            random=$((0 + RANDOM % NUM_MINERS )) # random int with a range based on how many miners are defined. start from 0 since we're using an array
-            echo "Mining block to:"
-            echo "    - wallet: ${!WALLETS[$random]}"
-            echo "    - address: ${!ADDRESSES[$random]}"
-            echo "    - block hash: $(bitcoin-cli -rpcwallet="${!WALLETS[$random]}" -rpcconnect=bitcoin generatetoaddress 1 "${!ADDRESSES[$random]}" | awk -F, 'NR==2{ gsub(/[",]/,"");gsub (" ", "", $0);print $1}')"
+            # Mine to dedicated block producer address (not used for Stacks mining)
+            echo "Mining block to dedicated block producer:"
+            echo "    - wallet: ${bitcoin_block_producer_wallet}"
+            echo "    - address: ${bitcoin_block_producer_addr}"
+            echo "    - block hash: $(bitcoin-cli -rpcwallet="${bitcoin_block_producer_wallet}" -rpcconnect=bitcoin generatetoaddress 1 "${bitcoin_block_producer_addr}" | awk -F, 'NR==2{ gsub(/[",]/,"");gsub (" ", "", $0);print $1}')"
             mined_block_counter=$((mined_block_counter + 1 )) # increment the mined block counter (used when restarting from a chainstate snapshot)
             block_height=$((block_height + 1)) # increment the already retrieved block_height, incrementing in the loop
             DEFAULT_TIMEOUT=$(($(date +%s) + 30))

docker/docker-compose.yml

@@ -38,6 +38,13 @@ x-common-vars:
   - &STACKS_MINER_3_BTC_ADDR mzD36ZSkb2bKw9ZXC6ihuYqfXWE29SakAF
   - &STACKS_MINER_3_BTC_WALLET stacks-miner-3
   - &STACKS_MINER_3_BLOCK_PUSH_FAIL_PROBABILITY 0
+  # bitcoin block producer vars (mines Bitcoin blocks after initial setup)
+  #   priv_key: 4e24c0d8c63ea819073a1f06975086c841410fbb343eb0ac4e26a64e358a5ce801
+  #   pub_key: 02a0ea619414702c61a854d28c6806b436c814b85245b50b494a7df680b69ae4d1
+  #   btc: mjVRH4vD5bAy3r5Z9FEjhHfA9mLZHQMKkC
+  #   wif: cQKvvYqV5TcQyw7TTn6g4pMGm8BaweJvKg8TTR8iN5RHCihREFx8
+  - &BITCOIN_BLOCK_PRODUCER_BTC_ADDR mjVRH4vD5bAy3r5Z9FEjhHfA9mLZHQMKkC
+  - &BITCOIN_BLOCK_PRODUCER_BTC_WALLET block-producer
 
   # Container Static IP assignments
   #   *Note*: The stacks miner ip's are used for the bootstrap config later in this file
@@ -219,6 +226,8 @@ services:
       STACKS_MINER_2_BTC_WALLET: *STACKS_MINER_2_BTC_WALLET
       STACKS_MINER_3_BTC_ADDR: *STACKS_MINER_3_BTC_ADDR
       STACKS_MINER_3_BTC_WALLET: *STACKS_MINER_3_BTC_WALLET
+      BITCOIN_BLOCK_PRODUCER_BTC_ADDR: *BITCOIN_BLOCK_PRODUCER_BTC_ADDR
+      BITCOIN_BLOCK_PRODUCER_BTC_WALLET: *BITCOIN_BLOCK_PRODUCER_BTC_WALLET
       MINE_INTERVAL: *MINE_INTERVAL
       MINE_INTERVAL_EPOCH3: *MINE_INTERVAL_EPOCH3
       MINE_INTERVAL_EPOCH25: *MINE_INTERVAL_EPOCH25