feat: added mining routes

server/src/main/kotlin/org/ccoin/routes/MiningRoutes.kt

@@ -0,0 +1,229 @@
+package org.ccoin.routes
+
+import io.ktor.http.*
+import io.ktor.server.application.*
+import io.ktor.server.request.*
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+import org.ccoin.models.StartMiningRequest
+import org.ccoin.models.SubmitMiningRequest
+import org.ccoin.services.MiningService
+import org.ccoin.services.ValidationService
+
+fun Route.miningRoutes() {
+    route("/mining") {
+        /** Start a mining job */
+        post("/start") {
+            try {
+                val request = call.receive<StartMiningRequest>()
+                
+                // Validate miner address
+                if (!ValidationService.validateWalletAddress(request.minerAddress)) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Invalid miner address format"))
+                    return@post
+                }
+                
+                // Validate difficulty if provided
+                if (request.difficulty != null && !ValidationService.validateMiningDifficulty(request.difficulty)) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Invalid mining difficulty"))
+                    return@post
+                }
+                
+                val job = MiningService.startMining(request.minerAddress, request.difficulty)
+                call.respond(HttpStatusCode.Created, job)
+                
+            } catch (e: Exception) {
+                call.respond(HttpStatusCode.InternalServerError, mapOf("error" to (e.message ?: "Failed to start mining job")))
+            }
+        }
+        
+        /** Sumit mining result */
+        post("/submit") {
+            try {
+                val request = call.receive<SubmitMiningRequest>()
+                
+                // Validate miner address
+                if (!ValidationService.validateWalletAddress(request.minerAddress)) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Invalid miner address format"))
+                    return@post
+                }
+                
+                // Validate hash format
+                if (!ValidationService.validateBlockHash(request.hash)) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Invalid hash format"))
+                    return@post
+                }
+                
+                // Validate previous hash format
+                if (!ValidationService.validateBlockHash(request.previousHash)) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Invalid previous hash format"))
+                    return@post
+                }
+                
+                // Validate nonce
+                if (!ValidationService.validateMiningNonce(request.nonce)) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Invalid nonce"))
+                    return@post
+                }
+                
+                // Validate timestamp
+                if (!ValidationService.validateTimestamp(request.timestamp)) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Invalid timestamp"))
+                    return@post
+                }
+                
+                val block = MiningService.submitMiningResult(
+                    request.minerAddress,
+                    request.nonce,
+                    request.hash,
+                    request.previousHash,
+                    request.timestamp
+                )
+                
+                call.respond(HttpStatusCode.Created, block)
+                
+            } catch (e: Exception) {
+                call.respond(HttpStatusCode.BadRequest, mapOf("error" to (e.message ?: "Mining submission failed")))
+            }
+        }
+        
+        /** Get current mining difficulty */
+        get("/difficulty") {
+            try {
+                val difficulty = MiningService.getCurrentDifficulty()
+                call.respond(mapOf("difficulty" to difficulty))
+                
+            } catch (e: Exception) {
+                call.respond(HttpStatusCode.InternalServerError, mapOf("error" to (e.message ?: "Failed to get difficulty")))
+            }
+        }
+        
+        /** Get mining statistics for a miner */
+        get("/stats/{address}") {
+            try {
+                val address = call.parameters["address"] ?: run {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Address parameter required"))
+                    return@get
+                }
+                
+                // Validate address format
+                if (!ValidationService.validateWalletAddress(address)) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Invalid address format"))
+                    return@get
+                }
+                
+                val stats = MiningService.getMinerStats(address)
+                call.respond(stats)
+                
+            } catch (e: Exception) {
+                call.respond(HttpStatusCode.InternalServerError, mapOf("error" to (e.message ?: "Failed to get miner statistics")))
+            }
+        }
+        
+        /** Get network mining statistics */
+        get("/network") {
+            try {
+                val hashRate = MiningService.getNetworkHashRate()
+                val averageBlockTime = MiningService.getAverageBlockTime()
+                val activeMiners = MiningService.getActiveMinersCount()
+                val difficulty = MiningService.getCurrentDifficulty()
+                
+                call.respond(mapOf(
+                    "networkHashRate" to hashRate,
+                    "averageBlockTime" to averageBlockTime,
+                    "activeMiners" to activeMiners,
+                    "currentDifficulty" to difficulty
+                ))
+                
+            } catch (e: Exception) {
+                call.respond(HttpStatusCode.InternalServerError, mapOf("error" to (e.message ?: "Failed to get network statistics")))
+            }
+        }
+        
+        /** Get pending transactions available for mining */
+        get("/pending-transactions") {
+            try {
+                val limit = call.request.queryParameters["limit"]?.toIntOrNull() ?: 100
+                
+                if (limit in 0..1000) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Limit must be between 1 and 1000"))
+                    return@get
+                }
+                
+                val transactions = MiningService.getPendingTransactionsForMining(limit)
+                call.respond(mapOf(
+                    "transactions" to transactions,
+                    "count" to transactions.size
+                ))
+                
+            } catch (e: Exception) {
+                call.respond(HttpStatusCode.InternalServerError, mapOf("error" to (e.message ?: "Failed to get pending transactions")))
+            }
+        }
+        
+        /** Validate mining job */
+        post("/validate") {
+            try {
+                val jobId = call.request.queryParameters["jobId"] ?: run {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Job ID parameter required"))
+                    return@post
+                }
+                
+                val hash = call.request.queryParameters["hash"] ?: run {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Hash parameter required"))
+                    return@post
+                }
+                
+                val nonce = call.request.queryParameters["nonce"]?.toLongOrNull() ?: run {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Valid nonce parameter required"))
+                    return@post
+                }
+                
+                // Validate hash format
+                if (!ValidationService.validateBlockHash(hash)) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Invalid hash format"))
+                    return@post
+                }
+                
+                // Validate nonce
+                if (!ValidationService.validateMiningNonce(nonce)) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Invalid nonce"))
+                    return@post
+                }
+                
+                val isValid = MiningService.validateMiningJob(jobId, hash, nonce)
+                call.respond(mapOf(
+                    "jobId" to jobId,
+                    "hash" to hash,
+                    "nonce" to nonce,
+                    "isValid" to isValid
+                ))
+                
+            } catch (e: Exception) {
+                call.respond(HttpStatusCode.InternalServerError, mapOf("error" to (e.message ?: "Failed to validate mining job")))
+            }
+        }
+        
+        /** Get mining leaderboard */
+        get("/leaderboard") {
+            try {
+                val limit = call.request.queryParameters["limit"]?.toIntOrNull() ?: 10
+                
+                if (limit in 0..100) {
+                    call.respond(HttpStatusCode.BadRequest, mapOf("error" to "Limit must be between 1 and 100"))
+                    return@get
+                }
+                
+                // This would need a new service method to get top miners
+                // For now, return a placeholder response
+                call.respond(mapOf(
+                    "message" to "Leaderboard endpoint - implementation needed",
+                    "limit" to limit
+                ))
+                
+            } catch (e: Exception) {
+                call.respond(HttpStatusCode.InternalServerError, mapOf("error" to (e.message ?: "Failed to get mining leaderboard")))
+            }
+        }
+    }
+}