Workshop p2p oracle

p2p/12.oracle/Node/.env.example

@@ -0,0 +1,3 @@
+RPC_URL=http://localhost:8545
+CONTRACT_ADDRESS=contrat-address
+COIN_GEKKO_API_KEY=your-coin-gekko-api-key

p2p/12.oracle/Node/config.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"os"
+)
+
+type Config struct {
+	// Ethereum RPC URL (ex: http://localhost:8545 or Infura/Alchemy)
+	RPCURL string
+
+	// Oracle contract address
+	ContractAddress string
+
+	// Node private key (without 0x prefix)
+	PrivateKey string
+
+	// CoinGecko coin IDs to track
+	Coins []string
+
+	// Submission interval in seconds
+	SubmissionInterval int
+
+	// HTTP server port
+	HTTPPort string
+
+	// CoinGecko API Key
+	CoingeckoApiKey string
+}
+
+func LoadConfig() *Config {
+	rpcURL := os.Getenv("RPC_URL")
+	if rpcURL == "" {
+		rpcURL = "http://localhost:8545" // Default to local Anvil/Hardhat
+	}
+	contractAddr := os.Getenv("CONTRACT_ADDRESS")
+	if contractAddr == "" {
+		contractAddr = "0x5FbDB2315678afecb367f032d93F642f64180aa3" // Default Anvil first deployment
+	}
+
+	privateKey := os.Getenv("PRIVATE_KEY")
+	if privateKey == "" {
+		// Default Anvil test key (DO NOT USE IN PRODUCTION)
+		privateKey = "ac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80"
+	}
+
+	httpPort := os.Getenv("HTTP_PORT")
+	if httpPort == "" {
+		httpPort = ":8080"
+	}
+
+	return &Config{
+		RPCURL:          rpcURL,
+		ContractAddress: contractAddr,
+		PrivateKey:      privateKey,
+		Coins:           []string{"ethereum"},
+		SubmissionInterval: 20,
+		HTTPPort:        httpPort,
+	}
+}

p2p/12.oracle/Node/go.mod

@@ -0,0 +1,34 @@
+module oracle-node
+
+go 1.24.0
+
+require (
+	github.com/ethereum/go-ethereum v1.16.7
+	github.com/joho/godotenv v1.5.1
+)
+
+require (
+	github.com/Microsoft/go-winio v0.6.2 // indirect
+	github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20251001021608-1fe7b43fc4d6 // indirect
+	github.com/StackExchange/wmi v1.2.1 // indirect
+	github.com/bits-and-blooms/bitset v1.20.0 // indirect
+	github.com/consensys/gnark-crypto v0.18.0 // indirect
+	github.com/crate-crypto/go-eth-kzg v1.4.0 // indirect
+	github.com/crate-crypto/go-ipa v0.0.0-20240724233137-53bbb0ceb27a // indirect
+	github.com/deckarep/golang-set/v2 v2.6.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
+	github.com/ethereum/c-kzg-4844/v2 v2.1.5 // indirect
+	github.com/ethereum/go-verkle v0.2.2 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/holiman/uint256 v1.3.2 // indirect
+	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
+	github.com/supranational/blst v0.3.16-0.20250831170142-f48500c1fdbe // indirect
+	github.com/tklauser/go-sysconf v0.3.12 // indirect
+	github.com/tklauser/numcpus v0.6.1 // indirect
+	golang.org/x/crypto v0.36.0 // indirect
+	golang.org/x/sync v0.12.0 // indirect
+	golang.org/x/sys v0.36.0 // indirect
+)