feat: add certs path and mtls setup for shamir coordinator client (#414)

Signed-off-by: Lorenz Herzberger <lorenzherzberger@gmail.com>

clients/shamir_coordinator_client.go

@@ -5,11 +5,13 @@ import (
 	"context"
 	"encoding/json"
 	"io"
+	"log"
 	"net/http"
 	"net/url"
 	"strings"
 
 	"github.com/planetmint/planetmint-go/config"
+	"github.com/rddl-network/go-utils/tls"
 )
 
 // TODO: revert to actual rddl-claim-service client after CosmosSDK upgrade to v0.50.x
@@ -22,7 +24,11 @@ func lazyLoadShamirCoordinatorClient() IShamirCoordinatorClient {
 		return ShamirCoordinatorServiceClient
 	}
 	cfg := config.GetConfig()
-	ShamirCoordinatorServiceClient = NewShamirCoordinatorClient(cfg.IssuerHost, &http.Client{})
+	httpsClient, err := tls.Get2WayTLSClient(cfg.CertsPath)
+	if err != nil {
+		defer log.Fatal("fatal error setting up mutual tls client for shamir coordinator")
+	}
+	ShamirCoordinatorServiceClient = NewShamirCoordinatorClient(cfg.IssuerHost, httpsClient)
 	return ShamirCoordinatorServiceClient
 }
 

config/config.go

@@ -26,6 +26,7 @@ mqtt-password = "{{ .PlmntConfig.MqttPassword }}"
 claim-host = "{{ .PlmntConfig.ClaimHost }}"
 mqtt-tls = {{ .PlmntConfig.MqttTLS }}
 issuer-host = "{{ .PlmntConfig.IssuerHost }}"
+certs-path = "{{ .PlmntConfig.CertsPath }}"
 `
 
 // Config defines Planetmint's top level configuration
@@ -45,6 +46,7 @@ type Config struct {
 	ClaimHost        string `json:"claim-host"        mapstructure:"claim-host"`
 	MqttTLS          bool   `json:"mqtt-tls"          mapstructure:"mqtt-tls"`
 	IssuerHost       string `json:"issuer-host"       mapstructure:"issuer-host"`
+	CertsPath        string `json:"certs-path"        mapstructure:"certs-path"`
 }
 
 // cosmos-sdk wide global singleton
@@ -71,6 +73,7 @@ func DefaultConfig() *Config {
 		ClaimHost:        "https://testnet-p2r.rddl.io",
 		MqttTLS:          true,
 		IssuerHost:       "https://testnet-issuer.rddl.io",
+		CertsPath:        "./certs/",
 	}
 }