Jp/subsidized update profile

.github/workflows/ci.yaml

@@ -15,7 +15,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: "1.20"
+          go-version: "1.22"
 
       - name: Checkout branch
         uses: actions/checkout@v3
@@ -32,7 +32,7 @@ jobs:
 #      - name: Install go
 #        uses: actions/setup-go@v3
 #        with:
-#          go-version: "1.20"
+#          go-version: "1.22"
 #
 #      - name: Install os dependencies
 #        run: sudo apt-get install -y libvips-tools libvips-dev && vips -v

.gitignore

@@ -2,3 +2,7 @@ local_scripts/*
 backend
 
 .idea
+.vscode
+mem.log
+
+__debug_*

Dockerfile

@@ -2,7 +2,10 @@ FROM alpine:latest AS backend
 
 RUN apk update
 RUN apk upgrade
-RUN apk add --update go gcc g++ vips-dev
+RUN apk add --update bash cmake g++ gcc git make vips-dev
+
+COPY --from=golang:1.22-alpine /usr/local/go/ /usr/local/go/
+ENV PATH="/usr/local/go/bin:${PATH}"
 
 WORKDIR /deso/src
 
@@ -25,10 +28,13 @@ COPY backend/countries countries
 COPY backend/main.go   .
 
 # include core src
-COPY core/desohash ../core/desohash
-COPY core/cmd       ../core/cmd
-COPY core/lib       ../core/lib
-COPY core/migrate   ../core/migrate
+COPY core/bls         ../core/bls
+COPY core/cmd         ../core/cmd
+COPY core/collections ../core/collections
+COPY core/consensus   ../core/consensus
+COPY core/desohash    ../core/desohash
+COPY core/lib         ../core/lib
+COPY core/migrate     ../core/migrate
 
 # build backend
 RUN GOOS=linux go build -mod=mod -a -installsuffix cgo -o bin/backend main.go

README.md

@@ -71,3 +71,15 @@ go build github.com/h2non/bimg: invalid flag in pkg-config --cflags: -Xpreproces
 ```
 export CGO_CFLAGS_ALLOW="-Xpreprocessor"
 ```
+
+#### Error 
+```
+ld: library not found for -lvips
+clang: error: linker command failed with exit code 1 (use -v to see invocation)
+```
+
+#### Solution
+
+```
+go clean -cache
+```

apis/eth_price.go

@@ -4,11 +4,12 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"github.com/golang/glog"
-	"github.com/montanaflynn/stats"
 	"io/ioutil"
 	"net/http"
 	"strconv"
+
+	"github.com/golang/glog"
+	"github.com/montanaflynn/stats"
 )
 
 type CoinbaseResponse struct {
@@ -194,7 +195,7 @@ func GetUSDToETHPrice() (float64, error) {
 		amount, err := getCoinbasePrice()
 		if err != nil {
 			// The amount will be zero in this case, which is fine
-			glog.Errorf("Error fetching Coinbase price: %v", err)
+			glog.V(2).Infof("Error fetching Coinbase price: %v", err)
 		}
 
 		if amount != 0 {
@@ -205,7 +206,7 @@ func GetUSDToETHPrice() (float64, error) {
 		amount, err := getCoingeckoPrice()
 		if err != nil {
 			// The amount will be zero in this case, which is fine
-			glog.Errorf("Error fetching Coingecko price: %v", err)
+			glog.V(2).Infof("Error fetching Coingecko price: %v", err)
 		}
 
 		if amount != 0 {
@@ -216,7 +217,7 @@ func GetUSDToETHPrice() (float64, error) {
 		amount, err := getBlockchainDotcomPrice()
 		if err != nil {
 			// The amount will be zero in this case, which is fine
-			glog.Errorf("Error fetching blockchain.com price: %v", err)
+			glog.V(2).Infof("Error fetching blockchain.com price: %v", err)
 		}
 
 		if amount != 0 {
@@ -227,7 +228,7 @@ func GetUSDToETHPrice() (float64, error) {
 		amount, err := getGeminiPrice()
 		if err != nil {
 			// The amount will be zero in this case, which is fine
-			glog.Errorf("Error fetching Gemini price: %v", err)
+			glog.V(2).Infof("Error fetching Gemini price: %v", err)
 		}
 
 		if amount != 0 {
@@ -238,7 +239,7 @@ func GetUSDToETHPrice() (float64, error) {
 		amount, err := getKrakenPrice()
 		if err != nil {
 			// The amount will be zero in this case, which is fine
-			glog.Errorf("Error fetching Kraken price: %v", err)
+			glog.V(2).Infof("Error fetching Kraken price: %v", err)
 		}
 
 		if amount != 0 {

cmd/node.go

@@ -7,7 +7,7 @@ import (
 	"github.com/deso-protocol/backend/routes"
 	coreCmd "github.com/deso-protocol/core/cmd"
 	"github.com/deso-protocol/core/lib"
-	"github.com/dgraph-io/badger/v3"
+	"github.com/dgraph-io/badger/v4"
 	"github.com/golang/glog"
 	"github.com/kevinburke/twilio-go"
 )

cmd/run.go

@@ -79,6 +79,12 @@ func init() {
 		"be allowed to be used this many times to receive starter DESO. Set this to a higher value "+
 		"if you want users to be able to create multiple accounts more easily.")
 
+	// Transaction Subsidization
+	runCmd.PersistentFlags().String("transaction-subsidization-seed", "",
+		"If specified, a seed phrase from which user transactions may be subsidized"+
+			" via atomic transactions. For example, this seed is used in constructing small basic transfers"+
+			" that can cover the fees of an update profile for those users which do not yet have DESO.")
+
 	// Global State
 	runCmd.PersistentFlags().String("global-state-remote-node", "",
 		"The IP:PORT or DOMAIN:PORT corresponding to a node that can be used to "+
@@ -112,6 +118,13 @@ func init() {
 	runCmd.PersistentFlags().String("amplitude-key", "", "Client-side amplitude key for instrumenting user behavior.")
 	runCmd.PersistentFlags().String("amplitude-domain", "api.amplitude.com", "Client-side amplitude API Endpoint.")
 
+	// Transactions
+	runCmd.PersistentFlags().Int("max-optional-preceding-transactions", 0,
+		"If set, enables certain transaction construction "+
+			"endpoints to accept transactions that should be connected "+
+			"before constructing the specified transaction. "+
+			"Setting this flag can aid in workflows that deal with atomic transaction construction.")
+
 	// User Interface
 	runCmd.PersistentFlags().String("support-email", "", "Show a support email to users of this node")
 	runCmd.PersistentFlags().Bool("show-processing-spinners", false,

config/config.go

@@ -28,6 +28,9 @@ type Config struct {
 	MinSatoshisForProfile   uint64
 	PhoneNumberUseThreshold uint64
 
+	// Transaction Subsidization
+	TransactionSubsidizationSeed string
+
 	// Global State
 	GlobalStateRemoteNode   string
 	GlobalStateRemoteSecret string
@@ -46,6 +49,9 @@ type Config struct {
 	// Analytics
 	AmplitudeKey string
 
+	// Transactions
+	MaxOptionalPrecedingTransactions int
+
 	// Images
 	GCPCredentialsPath string
 	GCPBucketName      string
@@ -130,6 +136,9 @@ func LoadConfig(coreConfig *coreCmd.Config) *Config {
 	config.MinSatoshisForProfile = viper.GetUint64("min-satoshis-for-profile")
 	config.PhoneNumberUseThreshold = viper.GetUint64("phone-number-use-threshold")
 
+	// Transaction Subsidization
+	config.TransactionSubsidizationSeed = viper.GetString("transaction-subsidization-seed")
+
 	// Global State
 	config.GlobalStateRemoteNode = viper.GetString("global-state-remote-node")
 	config.GlobalStateRemoteSecret = viper.GetString("global-state-remote-secret")
@@ -148,6 +157,9 @@ func LoadConfig(coreConfig *coreCmd.Config) *Config {
 	// Analytics
 	config.AmplitudeKey = viper.GetString("amplitude-key")
 
+	// Transactions
+	config.MaxOptionalPrecedingTransactions = viper.GetInt("max-optional-preceding-transactions")
+
 	// Images
 	config.GCPCredentialsPath = viper.GetString("gcp-credentials-path")
 	config.GCPBucketName = viper.GetString("gcp-bucket-name")
@@ -228,7 +240,7 @@ func LoadConfig(coreConfig *coreCmd.Config) *Config {
 			panic(fmt.Sprintf("metamask-airdrop-eth-minimum value %v overflows uint256", metamaskAirdropMinStr))
 		}
 	} else {
-		config.MetamaskAirdropEthMinimum = uint256.NewInt()
+		config.MetamaskAirdropEthMinimum = uint256.NewInt(0)
 	}
 	config.MetamaskAirdropDESONanosAmount = viper.GetUint64("metamask-airdrop-deso-nanos-amount")