feat: add bitcoin regtest support

bchain/coins/blockchain.go

@@ -63,6 +63,7 @@ func init() {
 	BlockChainFactories["Bitcoin"] = btc.NewBitcoinRPC
 	BlockChainFactories["Testnet"] = btc.NewBitcoinRPC
 	BlockChainFactories["Signet"] = btc.NewBitcoinRPC
+	BlockChainFactories["Regtest"] = btc.NewBitcoinRPC
 	BlockChainFactories["Zcash"] = zec.NewZCashRPC
 	BlockChainFactories["Zcash Testnet"] = zec.NewZCashRPC
 	BlockChainFactories["Ethereum"] = eth.NewEthereumRPC

build/templates/backend/config/bitcoin_regtest.conf

@@ -0,0 +1,36 @@
+{{define "main" -}}
+daemon=0
+server=1
+nolisten=1
+txindex=1
+disablewallet=0
+
+zmqpubhashtx={{template "IPC.MessageQueueBindingTemplate" .}}
+zmqpubhashblock={{template "IPC.MessageQueueBindingTemplate" .}}
+
+rpcworkqueue=1100
+maxmempool=2000
+dbcache=1000
+
+{{- if .Backend.AdditionalParams}}
+# generated from additional_params
+{{- range $name, $value := .Backend.AdditionalParams}}
+{{- if eq $name "addnode"}}
+{{- range $index, $node := $value}}
+addnode={{$node}}
+{{- end}}
+{{- else}}
+{{$name}}={{$value}}
+{{- end}}
+{{- end}}
+{{- end}}
+
+regtest=1
+
+{{if .Backend.Mainnet}}[main]{{else}}[regtest]{{end}}
+rpcallowip=0.0.0.0/0
+rpcbind=0.0.0.0
+{{generateRPCAuth .IPC.RPCUser .IPC.RPCPass -}}
+rpcport={{.Ports.BackendRPC}}
+
+{{end}}

configs/coins/bitcoin_regtest.json

@@ -0,0 +1,69 @@
+{
+  "coin": {
+    "name": "Regtest",
+    "shortcut": "rBTC",
+    "label": "Bitcoin Regtest",
+    "alias": "bitcoin_regtest"
+  },
+  "ports": {
+    "backend_rpc": 18021,
+    "backend_message_queue": 48321,
+    "blockbook_internal": 19021,
+    "blockbook_public": 19121
+  },
+  "ipc": {
+    "rpc_url_template": "http://127.0.0.1:{{.Ports.BackendRPC}}",
+    "rpc_user": "rpc",
+    "rpc_pass": "rpc",
+    "rpc_timeout": 25,
+    "message_queue_binding_template": "tcp://127.0.0.1:{{.Ports.BackendMessageQueue}}"
+  },
+  "backend": {
+    "package_name": "backend-bitcoin-regtest",
+    "package_revision": "satoshilabs-1",
+    "system_user": "bitcoin",
+    "version": "0.21.1",
+    "binary_url": "https://bitcoincore.org/bin/bitcoin-core-0.21.1/bitcoin-0.21.1-x86_64-linux-gnu.tar.gz",
+    "verification_type": "gpg-sha256",
+    "verification_source": "https://bitcoincore.org/bin/bitcoin-core-0.21.1/SHA256SUMS.asc",
+    "extract_command": "tar -C backend --strip 1 -xf",
+    "exclude_files": [
+      "bin/bitcoin-qt"
+    ],
+    "exec_command_template": "{{.Env.BackendInstallPath}}/{{.Coin.Alias}}/bin/bitcoind -datadir={{.Env.BackendDataPath}}/{{.Coin.Alias}}/backend -conf={{.Env.BackendInstallPath}}/{{.Coin.Alias}}/{{.Coin.Alias}}.conf -pid=/run/{{.Coin.Alias}}/{{.Coin.Alias}}.pid",
+    "logrotate_files_template": "{{.Env.BackendDataPath}}/{{.Coin.Alias}}/backend/regtest3/*.log",
+    "postinst_script_template": "",
+    "service_type": "forking",
+    "service_additional_params_template": "",
+    "mainnet": false,
+    "protect_memory": true,
+    "server_config_file": "bitcoin_regtest.conf",
+    "client_config_file": "bitcoin_client.conf",
+    "additional_params": {
+      "deprecatedrpc": "estimatefee"
+    }
+  },
+  "blockbook": {
+    "package_name": "blockbook-bitcoin-regtest",
+    "system_user": "blockbook-bitcoin",
+    "internal_binding_template": ":{{.Ports.BlockbookInternal}}",
+    "public_binding_template": ":{{.Ports.BlockbookPublic}}",
+    "explorer_url": "",
+    "additional_params": "",
+    "block_chain": {
+      "parse": true,
+      "mempool_workers": 8,
+      "mempool_sub_workers": 2,
+      "block_addresses_to_keep": 300,
+      "xpub_magic": 70617039,
+      "xpub_magic_segwit_p2sh": 71979618,
+      "xpub_magic_segwit_native": 73342198,
+      "slip44": 1,
+      "additional_params": {}
+    }
+  },
+  "meta": {
+    "package_maintainer": "IT",
+    "package_maintainer_email": "it@satoshilabs.com"
+  }
+}

docs/ports.md

@@ -46,6 +46,7 @@
 | BitZeny                | 9095                    | 9195                  | 8095             | 38395                       |
 | Trezarcoin             | 9096                    | 9196                  | 8096             | 38396                       |
 | Bitcoin Signet         | 19020                   | 19120                 | 18020            | 48320                       |
+| Bitcoin Regtest        | 19021                   | 19121                 | 18021            | 48321                       |
 | Ethereum Goerli        | 19026                   | 19126                 | 18026            | 48326 p2p                   |
 | Bitcoin Testnet        | 19030                   | 19130                 | 18030            | 48330                       |
 | Bitcoin Cash Testnet   | 19031                   | 19131                 | 18031            | 48331                       |