Implementation and testing of config/cli.go

config/cli.go

@@ -1,8 +1,50 @@
 package config
 
+import (
+    "encoding/hex"
+)
+// The format of configuration to be stored in the configuratin file is map[string]interface{}
 type CliConfig struct {
+    ExecutionRpc         *string `mapstructure:"execution_rpc"`
+    ConsensusRpc         *string `mapstructure:"consensus_rpc"`
+    Checkpoint           *[]byte `mapstructure:"checkpoint"`
+    RpcBindIp            *string `mapstructure:"rpc_bind_ip"`
+    RpcPort              *uint16 `mapstructure:"rpc_port"`
+    DataDir              *string `mapstructure:"data_dir"`
+    Fallback             *string `mapstructure:"fallback"`
+    LoadExternalFallback *bool   `mapstructure:"load_external_fallback"`
+    StrictCheckpointAge  *bool   `mapstructure:"strict_checkpoint_age"`
 }
-
-func (ch CliConfig) as_provider() {
-
+func (cfg *CliConfig) as_provider() map[string]interface{} {
+    // Create a map to hold the configuration data
+    userDict := make(map[string]interface{})
+    // Populate the map with values from the CliConfig struct
+    if cfg.ExecutionRpc != nil {
+        userDict["execution_rpc"] = *cfg.ExecutionRpc
+    }
+    if cfg.ConsensusRpc != nil {
+        userDict["consensus_rpc"] = *cfg.ConsensusRpc
+    }
+    if cfg.Checkpoint != nil {
+        userDict["checkpoint"] = hex.EncodeToString(*cfg.Checkpoint)
+    }
+    if cfg.RpcBindIp != nil {
+        userDict["rpc_bind_ip"] = *cfg.RpcBindIp
+    }
+    if cfg.RpcPort != nil {
+        userDict["rpc_port"] = *cfg.RpcPort
+    }
+    if cfg.DataDir != nil {
+        userDict["data_dir"] = *cfg.DataDir
+    }
+    if cfg.Fallback != nil {
+        userDict["fallback"] = *cfg.Fallback
+    }
+    if cfg.LoadExternalFallback != nil {
+        userDict["load_external_fallback"] = *cfg.LoadExternalFallback
+    }
+    if cfg.StrictCheckpointAge != nil {
+        userDict["strict_checkpoint_age"] = *cfg.StrictCheckpointAge
+    }
+    return userDict
 }

config/cli_test.go

@@ -0,0 +1,66 @@
+package config
+
+import (
+    "encoding/hex"
+    "testing"
+
+    "github.com/spf13/viper"
+)
+// for the test I have used viper, but ant other configuration library can be used. Just the format of the configuration should be the same i.e. map[string]interface{}
+func TestCliConfigAsProvider(t *testing.T) {
+	// used some random values for the test
+    executionRpc := "http://localhost:8545"
+    consensusRpc := "http://localhost:5052"
+    checkpoint := []byte{0x01, 0x02, 0x03}
+    rpcBindIp := "127.0.0.1"
+    rpcPort := uint16(8080)
+    dataDir := "/data"
+    fallback := "http://fallback.example.com"
+    loadExternalFallback := true
+    strictCheckpointAge := false
+
+    config := CliConfig{
+        ExecutionRpc:         &executionRpc,
+        ConsensusRpc:         &consensusRpc,
+        Checkpoint:           &checkpoint,
+        RpcBindIp:            &rpcBindIp,
+        RpcPort:              &rpcPort,
+        DataDir:              &dataDir,
+        Fallback:             &fallback,
+        LoadExternalFallback: &loadExternalFallback,
+        StrictCheckpointAge:  &strictCheckpointAge,
+    }
+    v := viper.New()
+    configMap := config.as_provider()
+    for key, value := range configMap {
+        v.Set(key, value)
+    }
+    // Assertions to check that Viper has the correct values
+    if v.GetString("execution_rpc") != executionRpc {
+        t.Errorf("Expected execution_rpc to be %s, but got %s", executionRpc, v.GetString("execution_rpc"))
+    }
+    if v.GetString("consensus_rpc") != consensusRpc {
+        t.Errorf("Expected consensus_rpc to be %s, but got %s", consensusRpc, v.GetString("consensus_rpc"))
+    }
+    if v.GetString("checkpoint") != hex.EncodeToString(checkpoint) {
+        t.Errorf("Expected checkpoint to be %s, but got %s", hex.EncodeToString(checkpoint), v.GetString("checkpoint"))
+    }
+    if v.GetString("rpc_bind_ip") != rpcBindIp {
+        t.Errorf("Expected rpc_bind_ip to be %s, but got %s", rpcBindIp, v.GetString("rpc_bind_ip"))
+    }
+    if v.GetUint16("rpc_port") != rpcPort {
+        t.Errorf("Expected rpc_port to be %d, but got %d", rpcPort, v.GetUint16("rpc_port"))
+    }
+    if v.GetString("data_dir") != dataDir {
+        t.Errorf("Expected data_dir to be %s, but got %s", dataDir, v.GetString("data_dir"))
+    }
+    if v.GetString("fallback") != fallback {
+        t.Errorf("Expected fallback to be %s, but got %s", fallback, v.GetString("fallback"))
+    }
+    if v.GetBool("load_external_fallback") != loadExternalFallback {
+        t.Errorf("Expected load_external_fallback to be %v, but got %v", loadExternalFallback, v.GetBool("load_external_fallback"))
+    }
+    if v.GetBool("strict_checkpoint_age") != strictCheckpointAge {
+        t.Errorf("Expected strict_checkpoint_age to be %v, but got %v", strictCheckpointAge, v.GetBool("strict_checkpoint_age"))
+    }
+}

go.mod

@@ -11,12 +11,31 @@ require (
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
 	github.com/ethereum/c-kzg-4844 v1.0.0 // indirect
 	github.com/ethereum/go-ethereum v1.14.8 // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/holiman/uint256 v1.3.1 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/mmcloughlin/addchain v0.4.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/sagikazarmark/locafero v0.4.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.11.0 // indirect
+	github.com/spf13/cast v1.6.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spf13/viper v1.19.0 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/supranational/blst v0.3.11 // indirect
 	github.com/wealdtech/go-merkletree v1.0.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
 	golang.org/x/crypto v0.22.0 // indirect
+	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa // indirect
 	golang.org/x/sync v0.7.0 // indirect
 	golang.org/x/sys v0.20.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 	rsc.io/tmplfunc v0.0.3 // indirect
 )

go.sum

@@ -10,32 +10,84 @@ github.com/consensys/gnark-crypto v0.12.1 h1:lHH39WuuFgVHONRl3J0LRBtuYdQTumFSDtJ
 github.com/consensys/gnark-crypto v0.12.1/go.mod h1:v2Gy7L/4ZRosZ7Ivs+9SfUDr0f5UlG+EM5t7MPHiLuY=
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+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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 github.com/ethereum/c-kzg-4844 v1.0.0/go.mod h1:VewdlzQmpT5QSrVhbBuGoCdFJkpaJlO1aQputP83wc0=
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+github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
+github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
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+github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
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+github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
+github.com/magiconair/properties v1.8.7/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
+github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
+github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mmcloughlin/addchain v0.4.0 h1:SobOdjm2xLj1KkXN5/n0xTIWyZA2+s99UCY1iPfkHRY=
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+github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
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