feat(x402): Added x402 Base blockchain support

.env-example

@@ -1,35 +1,41 @@
 # START INFRASTRUCTURE SETUP
 
 # Full Node Connection
-RPC_BASEURL=http://172.17.0.1:8332
-RPC_USERNAME=bitcoin
-RPC_PASSWORD=password
+export RPC_BASEURL=http://172.17.0.1:8332
+export RPC_USERNAME=bitcoin
+export RPC_PASSWORD=password
 
 # Fulcrum Indexer
-FULCRUM_API=http://172.17.0.1:3001/v1
+export FULCRUM_API=http://172.17.0.1:3001/v1
 
 # SLP Indexer
-SLP_INDEXER_API=http://localhost:5010
+export SLP_INDEXER_API=http://localhost:5010
 
 # REST API URL for wallet operations
-LOCAL_RESTURL=http://localhost:5942/v6
+export LOCAL_RESTURL=http://localhost:5942/v6
 
 # END INFRASTRUCTURE SETUP
 
 
 # START ACCESS CONTROL
 
-PORT=5942
+export PORT=5942
 
 # x402 payments required to access this API?
-X402_ENABLED=true
-SERVER_BCH_ADDRESS=bitcoincash:qqlrzp23w08434twmvr4fxw672whkjy0py26r63g3d
-FACILITATOR_URL=http://localhost:4345/facilitator
-X402_PRICE_SAT=200
+# Facilitators https://docs.cdp.coinbase.com/x402/quickstart-for-sellers
+export X402_ENABLED=true
+export SERVER_BASE_ADDRESS=0xd32585CE60815654C50CAf350e18de8096061e63
+export FACILITATOR_URL=https://x402.org/facilitator #Testnet Facilitator
+export X402_PRICE_USDC=0.01
+
+# Mainnet facilitator access keys
+export FACILITATOR_KEY_ID=
+export FACILITATOR_SECRET_KEY=
 
 # Basic Authentication required to access this API?
-USE_BASIC_AUTH=true
-BASIC_AUTH_TOKEN=some-random-token
+export USE_BASIC_AUTH=true
+export BASIC_AUTH_TOKEN=some-random-token
 
 # END ACCESS CONTROL
 
+npm start