Add new example for MsgSwap and MsgTransfer

.github/workflows/build-test.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/setup-java@v3
         with:
           distribution: temurin
-          java-version: 8
+          java-version: 11
 
       - name: Gradle Cache
         uses: burrunan/gradle-cache-action@v1

.github/workflows/tag.yml

@@ -13,8 +13,8 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v3
         with:
-          java-version: 8
           distribution: temurin
+          java-version: 11
 
       - name: Validate Gradle wrapper
         uses: gradle/wrapper-validation-action@ccb4328a959376b642e027874838f60f8e596de3

CHANGELOG.md

@@ -41,6 +41,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### Added
 * [\#21](https://github.com/Finschia/finschia-kt/pull/21) add MsgCreateValidator examples for single and multi-sig
 * [\#22](https://github.com/Finschia/finschia-kt/pull/22) bump up finschia-proto:2.0.0
+* [\#23](https://github.com/Finschia/finschia-kt/pull/23) add new example for MsgSwap&MsgTransfer Tx
 
 ### Changed
 * [\#19](https://github.com/Finschia/finschia-kt/pull/19) change the value of AminoMsg to the general type

examples/multisig-example/build.gradle.kts

@@ -14,7 +14,7 @@ dependencies {
 
     // Finschia sdk
     implementation("network.finschia:finschia-kt-crypto:0.2.2")
-    implementation("network.finschia:finschia-proto:2.0.0")
+    implementation("network.finschia:finschia-proto:4.0.0-rc2")
 
     implementation(project(":tx"))
 }

examples/query-example/build.gradle.kts

@@ -7,7 +7,7 @@ dependencies {
 
     // Finschia sdk
     implementation("network.finschia:finschia-kt-crypto:0.2.2")
-    implementation("network.finschia:finschia-proto:2.0.0")
+    implementation("network.finschia:finschia-proto:4.0.0-rc2")
 
     implementation(project(":tx"))
 }

examples/with-tx-wrapper-example/build.gradle.kts

@@ -7,7 +7,7 @@ dependencies {
 
     // Finschia sdk
     implementation("network.finschia:finschia-kt-crypto:0.2.2")
-    implementation("network.finschia:finschia-proto:2.0.0")
+    implementation("network.finschia:finschia-proto:4.0.0-rc2")
 
     implementation(project(":tx"))
 }

examples/with-tx-wrapper-example/src/main/kotlin/network/finschia/sdk/example/SwapAndTransfer.kt

@@ -0,0 +1,74 @@
+package network.finschia.sdk.example
+
+import io.grpc.ManagedChannelBuilder
+import network.finschia.sdk.account.HDWallet
+import network.finschia.sdk.base.Tx
+
+suspend fun main() {
+    // Change me for your environment
+    val chainId = "sim"
+    val hrpPrefix = "link"
+    val host = "localhost"
+    val port = 9090
+    val fromDenom = "cony"
+    val toDenom = "peb"
+    val conyAmount = "1"
+    val swapRateFromConyToPeb = "148079656000000"
+    val amountToTransfer = swapRateFromConyToPeb.toBigInteger().multiply(conyAmount.toBigInteger())
+    val kaiaAddress = "0xf7bAc63fc7CEaCf0589F25454Ecf5C2ce904997c"
+    val gasLimit: Long = 150000
+    val seqNum: Long = 14
+
+    // Initialize gRPC channel
+    val channel = ManagedChannelBuilder.forAddress(host, port).usePlaintext().build()
+
+    // Sender's info
+    val mnemonic = "mind flame tobacco sense move hammer drift crime ring globe art gaze cinnamon helmet cruise special produce notable negative wait path scrap recall have"
+    val hdWallet = HDWallet.loadFromMnemonic(mnemonic)
+    val aliceKey = hdWallet.getKeyWallet(0)
+    val aliceAddress = aliceKey.address.toBech32(hrpPrefix)
+
+    // Build MsgSwap
+    val amountFromDenom = cosmos.base.v1beta1.coin {
+        amount = conyAmount
+        denom = fromDenom
+    }
+    val msgSwap = lbm.fswap.v1.msgSwap {
+        this.fromCoinAmount = amountFromDenom
+        this.toDenom = toDenom
+        this.fromAddress = aliceAddress
+    }
+
+    // Build MsgTransfer
+    val msgTransfer = lbm.fbridge.v1.msgTransfer {
+        this.amount = amountToTransfer.toString()
+        this.sender = aliceAddress
+        this.receiver = kaiaAddress
+    }
+
+    // Build Tx with two messages
+    val tx = Tx.newBuilder()
+            .setChainId(chainId)
+            .addMessage(com.google.protobuf.any {
+                typeUrl = "/lbm.fswap.v1.MsgSwap"
+                value = msgSwap.toByteString()
+            })
+            .addMessage(com.google.protobuf.any {
+                typeUrl = "/lbm.fbridge.v1.MsgTransfer"
+                value = msgTransfer.toByteString()
+            })
+            .addSigner(aliceKey, seqNum)
+            .setFee(cosmos.tx.v1beta1.fee { this.gasLimit = gasLimit })
+            .setMemo("")
+            .build()
+
+    // Sign Tx
+    tx.sign(aliceKey, 0)
+
+    // Send Tx
+    val resultTxHash = TxClient(channel).use {
+        it.broadcastTx(tx)
+    }
+
+    println(resultTxHash)
+}

examples/without-tx-wrapper-example/build.gradle.kts

@@ -11,7 +11,7 @@ dependencies {
 
     // Finschia sdk
     implementation("network.finschia:finschia-kt-crypto:0.2.2")
-    implementation("network.finschia:finschia-proto:2.0.0")
+    implementation("network.finschia:finschia-proto:4.0.0-rc2")
 }
 
 application {