Initial kyc-provider code base

.gitignore

@@ -1,3 +1,5 @@
+.idea
+.env
 # Binaries for programs and plugins
 *.exe
 *.exe~

.sample.env

@@ -0,0 +1,2 @@
+CONFIG_PATH=config/dev.yaml
+PRIVATE_KEY=key

Dockerfile

@@ -1,13 +1,21 @@
-FROM golang:1.22 AS builder
-
+FROM golang:1.22.5-alpine3.19 AS builder
 WORKDIR /app
-COPY . .
-RUN go mod download
-RUN CGO_ENABLED=0 go build -o /entrypoint
+RUN cat /etc/resolv.conf && apk add --no-cache git && \
+	git config --add --global url."git@github.com:".insteadOf https://github.com
 
-FROM gcr.io/distroless/static-debian12
+# Prepare dependencies
+COPY go.mod go.sum ./
+RUN go mod download
+# Build the binary
+COPY ./cmd ./cmd
+COPY ./internal ./internal
+COPY ./config ./config
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o api ./cmd/api
 
-COPY --from=builder /entrypoint /entrypoint 
 
+FROM alpine:3.19
+WORKDIR /app
+COPY --from=builder /app/api ./api
+COPY --from=builder /app/config ./config
 EXPOSE 8080
-ENTRYPOINT ["/entrypoint"]
+CMD ["./api"]

Makefile

@@ -0,0 +1,15 @@
+API_NAME := api
+VERSION ?= dev
+COMMIT=$(shell git rev-parse --short HEAD)
+BRANCH=$(shell git rev-parse --abbrev-ref HEAD)
+TIME=$(shell date -u +'%Y-%m-%dT%H:%M:%SZ')
+
+.PHONY: config
+config: ## Creating the local config .env
+	@echo "Creating local config .env ..."
+	cp .sample.env .env
+
+.PHONY: api
+api: ## Run service http api
+	@echo "Running api..."
+	go run cmd/$(API_NAME)/*.go

cmd/api/main.go

@@ -0,0 +1,97 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"gopkg.in/yaml.v3"
+	"io/fs"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/dgraph-io/badger/v4"
+	"github.com/joho/godotenv"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/swissborg/galactica-kyc-guardian/config"
+	"github.com/swissborg/galactica-kyc-guardian/internal/api"
+	"github.com/swissborg/galactica-kyc-guardian/internal/zkcert"
+)
+
+func main() {
+	log.SetFormatter(&log.JSONFormatter{})
+
+	log.Info("api service init...")
+	defer log.Info("api service stop")
+
+	ctx, cancelCancel := context.WithCancel(context.Background())
+
+	quit := make(chan os.Signal, 1)
+	signal.Notify(quit, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
+
+	if err := godotenv.Load(".env"); err != nil {
+		var pathError *fs.PathError
+		if !errors.As(err, &pathError) {
+			log.Fatalf("parsing .env file: %v", err)
+		}
+	}
+
+	configPath := os.Getenv("CONFIG_PATH")
+	privKey := os.Getenv("PRIVATE_KEY")
+
+	yamlFile, err := os.ReadFile(configPath)
+	if err != nil {
+		log.Fatalf("yamlFile.Get err #%v .path: %s", err, configPath)
+	}
+
+	cfg := config.Config{}
+	err = yaml.Unmarshal(yamlFile, &cfg)
+	if err != nil {
+		log.Fatalf("unmarshal: %v", err)
+	}
+
+	certGenerator, err := zkcert.NewService(
+		privKey,
+		cfg.RegistryAddress,
+		cfg.Node,
+		cfg.MerkleProofService.URL,
+		cfg.MerkleProofService.TLS,
+	)
+	if err != nil {
+		log.Fatalf("failed to create cert generator %v", err)
+	}
+
+	opt := badger.DefaultOptions("").WithInMemory(true)
+	db, err := badger.Open(opt)
+	if err != nil {
+		log.Fatalf("failed to open badger %v", err)
+	}
+	defer db.Close()
+
+	server := api.NewServer(certGenerator, db)
+
+	go func() {
+		if err := server.Start(cfg.APIConf); err != nil && (!errors.Is(err, http.ErrServerClosed)) {
+			log.WithError(err).Fatal("shutting down the server")
+		}
+	}()
+
+	waiting := make(chan struct{})
+	go func() {
+		defer close(waiting)
+		select {
+		case <-quit:
+			log.Info("Gracefully stopping…")
+			cancelCancel()
+
+			if err := server.Stop(); err != nil {
+				log.WithError(err).Fatal()
+			}
+		case <-ctx.Done():
+			return
+		}
+	}()
+	<-waiting
+	log.Info("🏁 finished.")
+}

config/config.go

@@ -0,0 +1,20 @@
+package config
+
+import "github.com/ethereum/go-ethereum/common"
+
+type Config struct {
+	APIConf            APIConf            `yaml:"APIConf"`
+	RegistryAddress    common.Address     `yaml:"RegistryAddress"`
+	Node               string             `yaml:"Node"`
+	MerkleProofService MerkleProofService `yaml:"MerkleProofService"`
+}
+
+type APIConf struct {
+	Port string `yaml:"Port" default:"8081"`
+	Host string `yaml:"Host" default:"0.0.0.0"`
+}
+
+type MerkleProofService struct {
+	URL string `yaml:"URL"`
+	TLS bool   `yaml:"TLS"`
+}

config/dev.yaml

@@ -0,0 +1,11 @@
+APIConf:
+  Host: "0.0.0.0"
+  Port: 8080
+
+Node: https://evm-rpc-http-andromeda.galactica.com
+
+RegistryAddress: 0x0415E990e55071F0d448F87CD170528C7783A484
+
+MerkleProofService:
+  URL: merkle-proof-service.galactica.com:443/v1/galactica/41238
+  TLS: true

config/prod.yaml

@@ -0,0 +1,11 @@
+APIConf:
+  Host: "0.0.0.0"
+  Port: 8080
+
+Node: https://evm-rpc-http-reticulum.galactica.com
+
+RegistryAddress: 0x85032c035494324f62A5AfE2507d5427dFd72e76
+
+MerkleProofService:
+  URL: merkle-proof-service.galactica.com:443/v1/galactica/9302
+  TLS: true

go.mod

@@ -1,3 +1,80 @@
 module github.com/swissborg/galactica-kyc-guardian
 
 go 1.22.5
+
+require (
+	github.com/Galactica-corp/merkle-proof-service v0.2.7
+	github.com/biter777/countries v1.7.5
+	github.com/dgraph-io/badger/v4 v4.2.0
+	github.com/ethereum/go-ethereum v1.14.8
+	github.com/galactica-corp/guardians-sdk v1.5.0
+	github.com/go-playground/validator/v10 v10.19.0
+	github.com/iden3/go-iden3-crypto v0.0.16
+	github.com/joho/godotenv v1.5.1
+	github.com/labstack/echo/v4 v4.12.0
+	github.com/sirupsen/logrus v1.9.3
+	github.com/stasundr/decimal v0.1.9
+	gopkg.in/yaml.v3 v3.0.1
+)
+
+require (
+	github.com/Microsoft/go-winio v0.6.2 // indirect
+	github.com/bits-and-blooms/bitset v1.13.0 // indirect
+	github.com/btcsuite/btcd/btcec/v2 v2.3.4 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/consensys/bavard v0.1.13 // indirect
+	github.com/consensys/gnark-crypto v0.12.1 // indirect
+	github.com/crate-crypto/go-kzg-4844 v1.0.0 // indirect
+	github.com/dchest/blake512 v1.0.0 // indirect
+	github.com/deckarep/golang-set/v2 v2.6.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
+	github.com/dgraph-io/ristretto v0.1.1 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/ethereum/c-kzg-4844 v1.0.0 // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
+	github.com/golang/glog v1.2.0 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb // indirect
+	github.com/google/flatbuffers v1.12.1 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/gorilla/websocket v1.5.1 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.1 // indirect
+	github.com/holiman/uint256 v1.3.1 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/compress v1.17.8 // indirect
+	github.com/labstack/gommon v0.4.2 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
+	github.com/supranational/blst v0.3.11 // indirect
+	github.com/tklauser/go-sysconf v0.3.13 // indirect
+	github.com/tklauser/numcpus v0.7.0 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasttemplate v1.2.2 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	go.opencensus.io v0.24.0 // indirect
+	golang.org/x/crypto v0.22.0 // indirect
+	golang.org/x/exp v0.0.0-20240416160154-fe59bbe5cc7f // indirect
+	golang.org/x/net v0.24.0 // 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
+	golang.org/x/time v0.5.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20240415180920-8c6c420018be // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be // indirect
+	google.golang.org/grpc v1.63.2 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
+)