[WTCH-78] Edit SignCredentialsProvider for use thread local

we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/TxServiceTxSigner.kt

@@ -4,14 +4,15 @@ import com.wavesenterprise.sdk.node.domain.blocking.tx.TxService
 import com.wavesenterprise.sdk.node.domain.sign.SignRequest
 import com.wavesenterprise.sdk.node.domain.tx.Tx
 import com.wavesenterprise.sdk.tx.signer.TxSigner
+import com.wavesenterprise.sdk.tx.signer.node.credentials.SignCredentialsProvider
 
 class TxServiceTxSigner(
     private val txService: TxService,
-    private val signCredentialsService: SignCredentialsService,
+    private val signCredentialsProvider: SignCredentialsProvider,
 ) : TxSigner {
     override fun <T : Tx> sign(signRequest: SignRequest<T>): T = txService.sign(
         signRequest
-            .withAddress(signCredentialsService.senderAddress())
-            .withPassword(signCredentialsService.password())
+            .withAddress(signCredentialsProvider.credentials().senderAddress)
+            .withPassword(signCredentialsProvider.credentials().password)
     )
 }

we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/Credentials.kt

@@ -0,0 +1,9 @@
+package com.wavesenterprise.sdk.tx.signer.node.credentials
+
+import com.wavesenterprise.sdk.node.domain.Address
+import com.wavesenterprise.sdk.node.domain.Password
+
+data class Credentials(
+    val senderAddress: Address,
+    val password: Password,
+)

we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/DefaultSignCredentialsProvider.kt

@@ -0,0 +1,8 @@
+package com.wavesenterprise.sdk.tx.signer.node.credentials
+
+class DefaultSignCredentialsProvider(
+    private val credentials: Credentials,
+) : SignCredentialsProvider {
+
+    override fun credentials(): Credentials = credentials
+}

we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/SignCredentialsProvider.kt

@@ -0,0 +1,5 @@
+package com.wavesenterprise.sdk.tx.signer.node.credentials
+
+interface SignCredentialsProvider {
+    fun credentials(): Credentials
+}

we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/SpecifiedCredentials.kt

@@ -0,0 +1,5 @@
+package com.wavesenterprise.sdk.tx.signer.node.credentials
+
+interface SpecifiedCredentials {
+    fun <T> withCredentials(creds: Credentials, fn: () -> T): T
+}

we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/ThreadLocalSignCredentialsProvider.kt

@@ -0,0 +1,15 @@
+package com.wavesenterprise.sdk.tx.signer.node.credentials
+
+class ThreadLocalSignCredentialsProvider : SignCredentialsProvider, SpecifiedCredentials {
+    private val threadLocal: ThreadLocal<Credentials> = ThreadLocal()
+
+    override fun <T> withCredentials(creds: Credentials, fn: () -> T): T =
+        try {
+            threadLocal.set(creds)
+            fn()
+        } finally {
+            threadLocal.remove()
+        }
+
+    override fun credentials(): Credentials = requireNotNull(threadLocal.get()) { "Credentials haven't been set" }
+}

we-tx-signer/we-tx-signer-node/src/test/kotlin/com/wavesenterprise/sdk/tx/signer/node/TxServiceTxSignerTest.kt

@@ -6,6 +6,8 @@ import com.wavesenterprise.sdk.node.test.data.TestDataFactory.Companion.address
 import com.wavesenterprise.sdk.node.test.data.TestDataFactory.Companion.createContractSignRequest
 import com.wavesenterprise.sdk.node.test.data.TestDataFactory.Companion.createContractTx
 import com.wavesenterprise.sdk.node.test.data.TestDataFactory.Companion.password
+import com.wavesenterprise.sdk.tx.signer.node.credentials.Credentials
+import com.wavesenterprise.sdk.tx.signer.node.credentials.SignCredentialsProvider
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
 import io.mockk.junit5.MockKExtension
@@ -21,19 +23,18 @@ internal class TxServiceTxSignerTest {
     lateinit var txServiceTxSigner: TxServiceTxSigner
 
     @MockK
-    lateinit var signCredentialsService: SignCredentialsService
+    lateinit var signCredentialsProvider: SignCredentialsProvider
 
     @MockK
     lateinit var txService: TxService
 
     @BeforeEach
     fun initMocks() {
-        every { signCredentialsService.senderAddress() } returns senderAddress
-        every { signCredentialsService.password() } returns password
+        every { signCredentialsProvider.credentials() } returns credentials
 
         txServiceTxSigner = TxServiceTxSigner(
             txService = txService,
-            signCredentialsService = signCredentialsService,
+            signCredentialsProvider = signCredentialsProvider,
         )
     }
 
@@ -51,7 +52,9 @@ internal class TxServiceTxSignerTest {
     }
 
     companion object {
-        val senderAddress = address()
-        val password = password()
+        private val senderAddress = address()
+        private val password = password()
+
+        val credentials = Credentials(senderAddress, password)
     }
 }