Enable arm64 and MacOS Docker build

build/templates/backend/debian/control

@@ -7,7 +7,7 @@ Build-Depends: debhelper, wget, tar, gzip, make, dh-exec
 Standards-Version: 3.9.5
 
 Package: {{.Backend.PackageName}}
-Architecture: amd64
+Architecture: {{.Env.Architecture}}
 Depends: ${shlibs:Depends}, ${misc:Depends}, logrotate
 Description: Satoshilabs packaged {{.Coin.Name}} server
 {{end}}

build/templates/blockbook/debian/control

@@ -7,7 +7,7 @@ Build-Depends: debhelper, dh-exec
 Standards-Version: 3.9.5
 
 Package: {{.Blockbook.PackageName}}
-Architecture: amd64
+Architecture: {{.Env.Architecture}}
 Depends: ${shlibs:Depends}, ${misc:Depends}, coreutils, passwd, findutils, psmisc, {{.Backend.PackageName}}
 Description: Satoshilabs blockbook server ({{.Coin.Name}})
 {{end}}

build/tools/image_status.sh

@@ -16,10 +16,10 @@ if [ -z "$IMG_CREATED_TIME" ]; then
     exit 0
 fi
 
-IMG_CREATED_TS=$(date -d $IMG_CREATED_TIME +%s)
-GIT_COMMIT_TS=$(date -d $(git log --pretty="format:%cI" -1 $DIR) +%s)
+IMG_CREATED_TS=$IMG_CREATED_TIME
+GIT_COMMIT_TS=$(git log --pretty="format:%cI" -1 $DIR)
 
-if [ $IMG_CREATED_TS -lt $GIT_COMMIT_TS ]; then
+if [[ "$IMG_CREATED_TS" < "$GIT_COMMIT_TS" ]]; then
     echo "out-of-time"
 else
     echo "ok"

build/tools/templates.go

@@ -8,10 +8,36 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"reflect"
+	"runtime"
 	"text/template"
 	"time"
 )
 
+// Backend contains backend specific fields
+type Backend struct {
+	PackageName                     string             `json:"package_name"`
+	PackageRevision                 string             `json:"package_revision"`
+	SystemUser                      string             `json:"system_user"`
+	Version                         string             `json:"version"`
+	BinaryURL                       string             `json:"binary_url"`
+	VerificationType                string             `json:"verification_type"`
+	VerificationSource              string             `json:"verification_source"`
+	ExtractCommand                  string             `json:"extract_command"`
+	ExcludeFiles                    []string           `json:"exclude_files"`
+	ExecCommandTemplate             string             `json:"exec_command_template"`
+	LogrotateFilesTemplate          string             `json:"logrotate_files_template"`
+	PostinstScriptTemplate          string             `json:"postinst_script_template"`
+	ServiceType                     string             `json:"service_type"`
+	ServiceAdditionalParamsTemplate string             `json:"service_additional_params_template"`
+	ProtectMemory                   bool               `json:"protect_memory"`
+	Mainnet                         bool               `json:"mainnet"`
+	ServerConfigFile                string             `json:"server_config_file"`
+	ClientConfigFile                string             `json:"client_config_file"`
+	AdditionalParams                interface{}        `json:"additional_params,omitempty"`
+	Platforms                       map[string]Backend `json:"platforms,omitempty"`
+}
+
 // Config contains the structure of the config
 type Config struct {
 	Coin struct {
@@ -33,27 +59,7 @@ type Config struct {
 		RPCTimeout                  int    `json:"rpc_timeout"`
 		MessageQueueBindingTemplate string `json:"message_queue_binding_template"`
 	} `json:"ipc"`
-	Backend struct {
-		PackageName                     string      `json:"package_name"`
-		PackageRevision                 string      `json:"package_revision"`
-		SystemUser                      string      `json:"system_user"`
-		Version                         string      `json:"version"`
-		BinaryURL                       string      `json:"binary_url"`
-		VerificationType                string      `json:"verification_type"`
-		VerificationSource              string      `json:"verification_source"`
-		ExtractCommand                  string      `json:"extract_command"`
-		ExcludeFiles                    []string    `json:"exclude_files"`
-		ExecCommandTemplate             string      `json:"exec_command_template"`
-		LogrotateFilesTemplate          string      `json:"logrotate_files_template"`
-		PostinstScriptTemplate          string      `json:"postinst_script_template"`
-		ServiceType                     string      `json:"service_type"`
-		ServiceAdditionalParamsTemplate string      `json:"service_additional_params_template"`
-		ProtectMemory                   bool        `json:"protect_memory"`
-		Mainnet                         bool        `json:"mainnet"`
-		ServerConfigFile                string      `json:"server_config_file"`
-		ClientConfigFile                string      `json:"client_config_file"`
-		AdditionalParams                interface{} `json:"additional_params,omitempty"`
-	} `json:"backend"`
+	Backend   Backend `json:"backend"`
 	Blockbook struct {
 		PackageName             string `json:"package_name"`
 		SystemUser              string `json:"system_user"`
@@ -87,6 +93,7 @@ type Config struct {
 		BackendDataPath      string `json:"backend_data_path"`
 		BlockbookInstallPath string `json:"blockbook_install_path"`
 		BlockbookDataPath    string `json:"blockbook_data_path"`
+		Architecture         string `json:"architecture"`
 	} `json:"-"`
 }
 
@@ -136,6 +143,16 @@ func (c *Config) ParseTemplate() *template.Template {
 	return t
 }
 
+func copyNonZeroBackendFields(toValue *Backend, fromValue *Backend) {
+	from := reflect.ValueOf(*fromValue)
+	to := reflect.ValueOf(toValue).Elem()
+	for i := 0; i < from.NumField(); i++ {
+		if from.Field(i).IsValid() && !from.Field(i).IsZero() {
+			to.Field(i).Set(from.Field(i))
+		}
+	}
+}
+
 // LoadConfig loads the config files
 func LoadConfig(configsDir, coin string) (*Config, error) {
 	config := new(Config)
@@ -161,8 +178,15 @@ func LoadConfig(configsDir, coin string) (*Config, error) {
 	}
 
 	config.Meta.BuildDatetime = time.Now().Format("Mon, 02 Jan 2006 15:04:05 -0700")
+	config.Env.Architecture = runtime.GOARCH
 
 	if !isEmpty(config, "backend") {
+		// set platform specific fields to config
+		platform, found := config.Backend.Platforms[runtime.GOARCH]
+		if found {
+			copyNonZeroBackendFields(&config.Backend, &platform)
+		}
+
 		switch config.Backend.ServiceType {
 		case "forking":
 		case "simple":

configs/coins/bitcoin_regtest.json

@@ -41,6 +41,12 @@
     "client_config_file": "bitcoin_client.conf",
     "additional_params": {
       "deprecatedrpc": "estimatefee"
+    },
+    "platforms": {
+      "arm64": {
+        "binary_url": "https://bitcoincore.org/bin/bitcoin-core-23.0/bitcoin-23.0-aarch64-linux-gnu.tar.gz",
+        "verification_source": "06f4c78271a77752ba5990d60d81b1751507f77efda1e5981b4e92fd4d9969fb"
+      }
     }
   },
   "blockbook": {