feat: update token list and Nginx configuration for Chain 138

- Added new compliant tokens including Tether EUR, Pound Sterling, and others to the DUAL_CHAIN_TOKEN_LIST.
- Updated version in the token list configuration to 1.2.
- Enhanced Nginx configuration to support token-aggregation API and serve token list and network configurations from specified paths.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/api/rest/config/metamask/DUAL_CHAIN_TOKEN_LIST.tokenlist.json

@@ -96,6 +96,15 @@
 "compliant"
 ]
 },
+{"chainId":138,"address":"0xdf4b71c61E5912712C1Bdd451416B9aC26949d72","name":"Tether EUR (Compliant)","symbol":"cEURT","decimals":6,"logoURI":"https://ipfs.io/ipfs/Qma3FKtLce9MjgJgWbtyCxBiPjJ6xi8jGWUSKNS5Jc2ong","tags":["stablecoin","defi","compliant"]},
+{"chainId":138,"address":"0x003960f16D9d34F2e98d62723B6721Fb92074aD2","name":"Pound Sterling (Compliant)","symbol":"cGBPC","decimals":6,"logoURI":"https://ipfs.io/ipfs/Qma3FKtLce9MjgJgWbtyCxBiPjJ6xi8jGWUSKNS5Jc2ong","tags":["stablecoin","defi","compliant"]},
+{"chainId":138,"address":"0x350f54e4D23795f86A9c03988c7135357CCaD97c","name":"Tether GBP (Compliant)","symbol":"cGBPT","decimals":6,"logoURI":"https://ipfs.io/ipfs/Qma3FKtLce9MjgJgWbtyCxBiPjJ6xi8jGWUSKNS5Jc2ong","tags":["stablecoin","defi","compliant"]},
+{"chainId":138,"address":"0xD51482e567c03899eecE3CAe8a058161FD56069D","name":"Australian Dollar (Compliant)","symbol":"cAUDC","decimals":6,"logoURI":"https://ipfs.io/ipfs/Qma3FKtLce9MjgJgWbtyCxBiPjJ6xi8jGWUSKNS5Jc2ong","tags":["stablecoin","defi","compliant"]},
+{"chainId":138,"address":"0xEe269e1226a334182aace90056EE4ee5Cc8A6770","name":"Japanese Yen (Compliant)","symbol":"cJPYC","decimals":6,"logoURI":"https://ipfs.io/ipfs/Qma3FKtLce9MjgJgWbtyCxBiPjJ6xi8jGWUSKNS5Jc2ong","tags":["stablecoin","defi","compliant"]},
+{"chainId":138,"address":"0x873990849DDa5117d7C644f0aF24370797C03885","name":"Swiss Franc (Compliant)","symbol":"cCHFC","decimals":6,"logoURI":"https://ipfs.io/ipfs/Qma3FKtLce9MjgJgWbtyCxBiPjJ6xi8jGWUSKNS5Jc2ong","tags":["stablecoin","defi","compliant"]},
+{"chainId":138,"address":"0x54dBd40cF05e15906A2C21f600937e96787f5679","name":"Canadian Dollar (Compliant)","symbol":"cCADC","decimals":6,"logoURI":"https://ipfs.io/ipfs/Qma3FKtLce9MjgJgWbtyCxBiPjJ6xi8jGWUSKNS5Jc2ong","tags":["stablecoin","defi","compliant"]},
+{"chainId":138,"address":"0x290E52a8819A4fbD0714E517225429aA2B70EC6b","name":"Gold (Compliant)","symbol":"cXAUC","decimals":6,"logoURI":"https://ipfs.io/ipfs/Qma3FKtLce9MjgJgWbtyCxBiPjJ6xi8jGWUSKNS5Jc2ong","tags":["defi","compliant"]},
+{"chainId":138,"address":"0x94e408E26c6FD8F4ee00b54dF19082FDA07dC96E","name":"Tether XAU (Compliant)","symbol":"cXAUT","decimals":6,"logoURI":"https://ipfs.io/ipfs/Qma3FKtLce9MjgJgWbtyCxBiPjJ6xi8jGWUSKNS5Jc2ong","tags":["defi","compliant"]},
 {
 "chainId": 1,
 "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",

backend/database/migrations/0014_activity_events.down.sql

@@ -0,0 +1,2 @@
+-- Rollback activity_events table
+DROP TABLE IF EXISTS activity_events;

backend/database/migrations/0014_activity_events.up.sql

@@ -0,0 +1,35 @@
+-- Migration: Activity events feed (normalized stream for transfers + app events + bridge stitching)
+-- Description: Single table for activity feed; event_type in (TRANSFER, APP_ACTION, CLAIM, BRIDGE_OUT, BRIDGE_IN);
+-- routing.path = ALT | CCIP for bridge-aware stitching. See docs/04-configuration/ACTIVITY_FEED_SPEC.md
+-- Requires PostgreSQL 13+ (gen_random_uuid() is built-in).
+
+CREATE TABLE IF NOT EXISTS activity_events (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    chain_id INTEGER NOT NULL,
+    transaction_hash VARCHAR(66) NOT NULL,
+    log_index INTEGER NOT NULL DEFAULT 0,
+    block_number BIGINT NOT NULL,
+    block_timestamp TIMESTAMP WITH TIME ZONE NOT NULL,
+    actor VARCHAR(42) NOT NULL,
+    subject VARCHAR(42),
+    event_type VARCHAR(32) NOT NULL,
+    contract_address VARCHAR(42),
+    data JSONB,
+    routing JSONB,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    UNIQUE(chain_id, transaction_hash, log_index)
+);
+
+CREATE INDEX idx_activity_events_chain_id ON activity_events(chain_id);
+CREATE INDEX idx_activity_events_actor ON activity_events(actor);
+CREATE INDEX idx_activity_events_subject ON activity_events(subject);
+CREATE INDEX idx_activity_events_event_type ON activity_events(event_type);
+CREATE INDEX idx_activity_events_block_timestamp ON activity_events(block_timestamp);
+CREATE INDEX idx_activity_events_block_timestamp_id ON activity_events(block_timestamp, id);
+CREATE INDEX idx_activity_events_contract ON activity_events(contract_address);
+CREATE INDEX idx_activity_events_routing ON activity_events USING GIN (routing);
+
+COMMENT ON TABLE activity_events IS 'Normalized activity feed: transfers, app events, bridge in/out; routing.path = ALT | CCIP for stitch';
+COMMENT ON COLUMN activity_events.actor IS 'Wallet that initiated the action';
+COMMENT ON COLUMN activity_events.subject IS 'Optional: user/account/tokenId/resource';
+COMMENT ON COLUMN activity_events.routing IS 'Bridge stitching: { path: ALT|CCIP, fromChain, toChain, bridgeTxHash? }';

scripts/fix-nginx-serve-custom-frontend.sh

@@ -171,7 +171,33 @@ server {
         add_header Cache-Control "public, immutable";
     }
 
-    # API endpoint - proxy to Blockscout
+    # Token-aggregation API at /api/v1/ (Chain 138 Snap: market data, swap quote, bridge). Service runs on port 3001.
+    location /api/v1/ {
+        proxy_pass http://127.0.0.1:3001/api/v1/;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_read_timeout 60s;
+        add_header Access-Control-Allow-Origin *;
+    }
+
+    # Explorer config API (token list, networks) - serve from /var/www/html/config/
+    location = /api/config/token-list {
+        default_type application/json;
+        add_header Access-Control-Allow-Origin *;
+        add_header Cache-Control "public, max-age=3600";
+        alias /var/www/html/config/DUAL_CHAIN_TOKEN_LIST.tokenlist.json;
+    }
+    location = /api/config/networks {
+        default_type application/json;
+        add_header Access-Control-Allow-Origin *;
+        add_header Cache-Control "public, max-age=3600";
+        alias /var/www/html/config/DUAL_CHAIN_NETWORKS.json;
+    }
+
+    # API endpoint (for Blockscout API)
     location /api/ {
         proxy_pass http://127.0.0.1:4000;
         proxy_http_version 1.1;