- added Docker files for the sc calls executor

.gitignore

@@ -21,6 +21,8 @@
 /esdata
 .env
 *.log
+# prevent accidental commit of key files
+*.pem
 
 mytestnet/**
 

cmd/scCallsExecutor/config/config.toml

@@ -4,7 +4,7 @@ NetworkAddress = "127.0.0.1:8085"
 ProxyMaxNoncesDelta = 7
 ProxyFinalityCheck = true
 ProxyCacherExpirationSeconds = 600
-ProxyRestAPIEntityType = "observer"
+ProxyRestAPIEntityType = "proxy"
 IntervalToResendTxsInSeconds = 60
 PrivateKeyFile = "keys/multiversx.pem"
 PollingIntervalInMillis = 6000

cmd/scCallsExecutor/flags.go

@@ -68,6 +68,21 @@ var (
 		Name:  "log-logger-name",
 		Usage: "Boolean option for logger name in the logs.",
 	}
+	// networkAddress is used to specify the network address used
+	networkAddress = cli.StringFlag{
+		Name:  "network-address",
+		Usage: "The network address (gateway) to be used. Example: 'https://testnet-explorer.multiversx.com'",
+	}
+	// scProxyBech32Address is the smart contract address used to interact with this tool
+	scProxyBech32Address = cli.StringFlag{
+		Name:  "sc-proxy-address",
+		Usage: "The smart contract address in bech32 format to interact with",
+	}
+	// privateKeyFile is the MultiversX private key file used to issue transaction for the SC calls
+	privateKeyFile = cli.StringFlag{
+		Name:  "private-key-file",
+		Usage: "The MultiversX private key file used to issue transaction for the SC calls",
+	}
 )
 
 func getFlags() []cli.Flag {
@@ -80,6 +95,9 @@ func getFlags() []cli.Flag {
 		logWithLoggerName,
 		profileMode,
 		restApiInterface,
+		networkAddress,
+		scProxyBech32Address,
+		privateKeyFile,
 	}
 }
 func getFlagsConfig(ctx *cli.Context) config.ContextFlagsConfig {

cmd/scCallsExecutor/main.go

@@ -72,7 +72,7 @@ func startRelay(ctx *cli.Context, version string) error {
 		return errLogger
 	}
 
-	log.Info("starting bridge node", "version", version, "pid", os.Getpid())
+	log.Info("starting SC calls executor node", "version", version, "pid", os.Getpid())
 
 	err := logger.SetLogLevel(flagsConfig.LogLevel)
 	if err != nil {
@@ -93,6 +93,19 @@ func startRelay(ctx *cli.Context, version string) error {
 		}
 	}
 
+	if ctx.IsSet(scProxyBech32Address.Name) {
+		cfg.ScProxyBech32Address = ctx.GlobalString(scProxyBech32Address.Name)
+		log.Info("using flag-defined SC proxy address", "address", cfg.ScProxyBech32Address)
+	}
+	if ctx.IsSet(networkAddress.Name) {
+		cfg.NetworkAddress = ctx.GlobalString(networkAddress.Name)
+		log.Info("using flag-defined network address", "address", cfg.NetworkAddress)
+	}
+	if ctx.IsSet(privateKeyFile.Name) {
+		cfg.PrivateKeyFile = ctx.GlobalString(privateKeyFile.Name)
+		log.Info("using flag-defined private key file", "filename", cfg.PrivateKeyFile)
+	}
+
 	if len(cfg.NetworkAddress) == 0 {
 		return fmt.Errorf("empty NetworkAddress in config file")
 	}

docker/scCallsExecutor-docker-compose.yml

@@ -0,0 +1,17 @@
+version: "3.9"
+
+services:
+  sc-calls-executor:
+    build:
+      context: ..
+      dockerfile: scCallsExecutor.Dockerfile
+    restart: unless-stopped
+    volumes:
+      - "../keys:/multiversx/keys"
+    entrypoint: "./scCallsExecutor \
+    -log-level *:DEBUG \
+    -log-save \
+    -network-address https://devnet-gateway.multiversx.com \
+    -sc-proxy-address erd1qqqqqqqqqqqqqpgq5l0743nyv45vdptmfh3jydkqtyzjqpgsrcjq8yuzxk \
+    -private-key-file ./keys/walletKey.pem"
+

scCallsExecutor.Dockerfile

@@ -0,0 +1,26 @@
+FROM golang:1.20.7-bookworm AS builder
+LABEL description="This Docker image builds the SC calls executor binary."
+
+WORKDIR /multiversx
+COPY . .
+
+RUN go mod tidy
+
+WORKDIR /multiversx/cmd/scCallsExecutor
+
+RUN APPVERSION=$(git describe --tags --long --always | tail -c 11) && echo "package main\n\nfunc init() {\n\tappVersion = \"${APPVERSION}\"\n}" > local.go
+RUN go mod tidy
+RUN go build
+
+FROM ubuntu:22.04 AS runner
+LABEL description="This Docker image runs SC calls executor binary."
+
+RUN apt-get update \
+    && apt-get -y install git \
+    && apt-get clean
+
+COPY --from=builder /multiversx/cmd/scCallsExecutor /multiversx
+
+WORKDIR /multiversx
+
+ENTRYPOINT ["./scCallsExecutor"]