feat: explorer API, wallet, CCIP scripts, and config refresh
- Backend REST/gateway/track routes, analytics, Blockscout proxy paths. - Frontend wallet and liquidity surfaces; MetaMask token list alignment. - Deployment docs, verification scripts, address inventory updates. Check: go build ./... under backend/ (pass). Made-with: Cursor
This commit is contained in:
defiQUG
@@ -1,8 +1,14 @@
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package rest
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import (
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"crypto/sha256"
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_ "embed"
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"encoding/hex"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"time"
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)
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//go:embed config/metamask/DUAL_CHAIN_NETWORKS.json
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@@ -14,6 +20,111 @@ var dualChainTokenListJSON []byte
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//go:embed config/metamask/CHAIN138_RPC_CAPABILITIES.json
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var chain138RPCCapabilitiesJSON []byte
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type configPayload struct {
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body []byte
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source string
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modTime time.Time
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}
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func uniqueConfigPaths(paths []string) []string {
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seen := make(map[string]struct{}, len(paths))
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out := make([]string, 0, len(paths))
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for _, candidate := range paths {
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trimmed := strings.TrimSpace(candidate)
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if trimmed == "" {
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continue
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}
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if _, ok := seen[trimmed]; ok {
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continue
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}
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seen[trimmed] = struct{}{}
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out = append(out, trimmed)
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}
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return out
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}
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func buildConfigCandidates(envKeys []string, defaults []string) []string {
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candidates := make([]string, 0, len(envKeys)+len(defaults)*4)
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for _, key := range envKeys {
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if value := strings.TrimSpace(os.Getenv(key)); value != "" {
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candidates = append(candidates, value)
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}
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}
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if cwd, err := os.Getwd(); err == nil {
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for _, rel := range defaults {
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if filepath.IsAbs(rel) {
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candidates = append(candidates, rel)
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continue
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}
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candidates = append(candidates, filepath.Join(cwd, rel))
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candidates = append(candidates, rel)
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}
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}
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if exe, err := os.Executable(); err == nil {
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exeDir := filepath.Dir(exe)
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for _, rel := range defaults {
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if filepath.IsAbs(rel) {
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continue
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}
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candidates = append(candidates,
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filepath.Join(exeDir, rel),
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filepath.Join(exeDir, "..", rel),
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filepath.Join(exeDir, "..", "..", rel),
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)
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}
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}
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return uniqueConfigPaths(candidates)
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}
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func loadConfigPayload(envKeys []string, defaults []string, embedded []byte) configPayload {
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for _, candidate := range buildConfigCandidates(envKeys, defaults) {
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body, err := os.ReadFile(candidate)
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if err != nil || len(body) == 0 {
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continue
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}
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payload := configPayload{
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body: body,
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source: "runtime-file",
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}
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if info, statErr := os.Stat(candidate); statErr == nil {
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payload.modTime = info.ModTime().UTC()
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}
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return payload
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}
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return configPayload{
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body: embedded,
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source: "embedded",
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}
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}
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func payloadETag(body []byte) string {
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sum := sha256.Sum256(body)
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return `W/"` + hex.EncodeToString(sum[:]) + `"`
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}
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func serveJSONConfig(w http.ResponseWriter, r *http.Request, payload configPayload, cacheControl string) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Cache-Control", cacheControl)
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w.Header().Set("X-Config-Source", payload.source)
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etag := payloadETag(payload.body)
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w.Header().Set("ETag", etag)
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if !payload.modTime.IsZero() {
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w.Header().Set("Last-Modified", payload.modTime.Format(http.TimeFormat))
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}
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if match := strings.TrimSpace(r.Header.Get("If-None-Match")); match != "" && strings.Contains(match, etag) {
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w.WriteHeader(http.StatusNotModified)
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return
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}
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_, _ = w.Write(payload.body)
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}
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// handleConfigNetworks serves GET /api/config/networks (Chain 138 + Ethereum Mainnet params for wallet_addEthereumChain).
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func (s *Server) handleConfigNetworks(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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@@ -21,9 +132,17 @@ func (s *Server) handleConfigNetworks(w http.ResponseWriter, r *http.Request) {
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writeMethodNotAllowed(w)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Cache-Control", "public, max-age=3600")
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w.Write(dualChainNetworksJSON)
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payload := loadConfigPayload(
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[]string{"CONFIG_NETWORKS_JSON_PATH", "NETWORKS_CONFIG_JSON_PATH"},
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[]string{
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"explorer-monorepo/backend/api/rest/config/metamask/DUAL_CHAIN_NETWORKS.json",
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"backend/api/rest/config/metamask/DUAL_CHAIN_NETWORKS.json",
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"api/rest/config/metamask/DUAL_CHAIN_NETWORKS.json",
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"config/metamask/DUAL_CHAIN_NETWORKS.json",
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},
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dualChainNetworksJSON,
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)
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serveJSONConfig(w, r, payload, "public, max-age=0, must-revalidate")
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}
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// handleConfigTokenList serves GET /api/config/token-list (Uniswap token list format for MetaMask).
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@@ -33,9 +152,17 @@ func (s *Server) handleConfigTokenList(w http.ResponseWriter, r *http.Request) {
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writeMethodNotAllowed(w)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Cache-Control", "public, max-age=3600")
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w.Write(dualChainTokenListJSON)
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payload := loadConfigPayload(
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[]string{"CONFIG_TOKEN_LIST_JSON_PATH", "TOKEN_LIST_CONFIG_JSON_PATH"},
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[]string{
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"explorer-monorepo/backend/api/rest/config/metamask/DUAL_CHAIN_TOKEN_LIST.tokenlist.json",
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"backend/api/rest/config/metamask/DUAL_CHAIN_TOKEN_LIST.tokenlist.json",
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"api/rest/config/metamask/DUAL_CHAIN_TOKEN_LIST.tokenlist.json",
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"config/metamask/DUAL_CHAIN_TOKEN_LIST.tokenlist.json",
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},
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dualChainTokenListJSON,
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)
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serveJSONConfig(w, r, payload, "public, max-age=0, must-revalidate")
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}
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// handleConfigCapabilities serves GET /api/config/capabilities (Chain 138 wallet/RPC capability matrix).
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@@ -45,7 +172,15 @@ func (s *Server) handleConfigCapabilities(w http.ResponseWriter, r *http.Request
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writeMethodNotAllowed(w)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Cache-Control", "public, max-age=900")
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w.Write(chain138RPCCapabilitiesJSON)
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payload := loadConfigPayload(
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[]string{"CONFIG_CAPABILITIES_JSON_PATH", "RPC_CAPABILITIES_JSON_PATH"},
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[]string{
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"explorer-monorepo/backend/api/rest/config/metamask/CHAIN138_RPC_CAPABILITIES.json",
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"backend/api/rest/config/metamask/CHAIN138_RPC_CAPABILITIES.json",
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"api/rest/config/metamask/CHAIN138_RPC_CAPABILITIES.json",
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"config/metamask/CHAIN138_RPC_CAPABILITIES.json",
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},
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chain138RPCCapabilitiesJSON,
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)
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serveJSONConfig(w, r, payload, "public, max-age=0, must-revalidate")
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}
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