feat: add sign_send_iota example

Thoralf-M · Thoralf-M · commit 4cb0d472ec2b · 2025-10-02T11:44:55.000+02:00
diff --git a/bindings/go/examples/sign_send_iota/main.go b/bindings/go/examples/sign_send_iota/main.go
@@ -0,0 +1,98 @@
+// Copyright (c) 2025 IOTA Stiftung
+// SPDX-License-Identifier: Apache-2.0
+
+package main
+
+import (
+	"log"
+
+	sdk "bindings/iota_sdk_ffi"
+)
+
+func main() {
+	// Amount to send in nanos
+	amount := uint64(1000)
+	recipientAddress, err := sdk.AddressFromHex("0x0000a4984bd495d4346fa208ddff4f5d5e5ad48c21dec631ddebc99809f16900")
+	if err != nil {
+		log.Fatalf("Failed to parse recipient address: %v", err)
+	}
+
+	privateKey, err := sdk.NewEd25519PrivateKey(make([]byte, 32))
+	if err != nil {
+		log.Fatalf("Failed to create private key: %v", err)
+	}
+	publicKey := privateKey.PublicKey()
+	senderAddress := publicKey.DeriveAddress()
+	log.Printf("Sender address: %s", senderAddress.ToHex())
+
+	// Request funds from faucet
+	faucet := sdk.FaucetClientNewLocal()
+	_, err = faucet.RequestAndWait(senderAddress)
+	if err.(*sdk.SdkFfiError) != nil {
+		log.Fatalf("Failed to request faucet: %v", err)
+	}
+
+	client := sdk.GraphQlClientNewLocalhost()
+	// Get coins for the sender address
+	coinsPage, err := client.Coins(senderAddress, nil, nil)
+	if err.(*sdk.SdkFfiError) != nil {
+		log.Fatalf("Failed to get coins: %v", err)
+	}
+	if len(coinsPage.Data) == 0 {
+		log.Fatalf("No coins found")
+	}
+	gasCoin := coinsPage.Data[0]
+
+	gasObject, err := client.Object(gasCoin.Id(), nil)
+	if err.(*sdk.SdkFfiError) != nil {
+		log.Fatalf("Failed to get gas object: %v", err)
+	}
+	if gasObject == nil {
+		log.Fatalf("Missing gas object")
+	}
+
+	builder := sdk.TransactionBuilderInit(senderAddress, client)
+
+	// Split the amount from the gas coin
+	builder.SplitCoins(gasCoin.Id(), []uint64{amount}, []string{"coin1"})
+
+	// Transfer the split coin
+	builder.TransferObjects(recipientAddress, []*sdk.PtbArgument{sdk.PtbArgumentRes("coin1")})
+
+	builder.Gas(gasCoin.Id()).GasBudget(50000000)
+	gasPrice, err := client.ReferenceGasPrice(nil)
+	if err.(*sdk.SdkFfiError) != nil {
+		log.Fatalf("Failed to get gas price: %v", err)
+	}
+	builder.GasPrice(*gasPrice)
+
+	txn, err := builder.Finish()
+	if err.(*sdk.SdkFfiError) != nil {
+		log.Fatalf("Failed to create transaction: %v", err)
+	}
+
+	dryRunResult, err := client.DryRunTx(txn, nil)
+	if err.(*sdk.SdkFfiError) != nil {
+		log.Fatalf("Failed to dry run: %v", err)
+	}
+	if dryRunResult.Error != nil {
+		log.Fatalf("Dry run failed: %v", *dryRunResult.Error)
+	}
+
+	signature, err := privateKey.TrySignSimple(txn.SigningDigest())
+	if err != nil {
+		log.Fatalf("Failed to sign: %v", err)
+	}
+	userSignature := sdk.UserSignatureNewSimple(signature)
+
+	effects, err := client.ExecuteTx([]*sdk.UserSignature{userSignature}, txn)
+	if err.(*sdk.SdkFfiError) != nil {
+		log.Fatalf("Failed to execute: %v", err)
+	}
+	if effects == nil {
+		log.Fatalf("Transaction execution failed")
+	}
+	log.Printf("Digest: %s", sdk.HexEncode((*effects).Digest().ToBytes()))
+	log.Printf("Transaction status: %v", (*effects).AsV1().Status)
+	log.Printf("Effects: %+v", (*effects).AsV1())
+}
diff --git a/bindings/kotlin/examples/SignSendIota.kt b/bindings/kotlin/examples/SignSendIota.kt
@@ -0,0 +1,68 @@
+// Copyright (c) 2025 IOTA Stiftung
+// SPDX-License-Identifier: Apache-2.0
+
+import iota_sdk.*
+import kotlinx.coroutines.runBlocking
+
+fun main() = runBlocking {
+    try {
+        // Amount to send in nanos
+        val amount = 1000uL
+        val recipientAddress =
+                Address.fromHex(
+                        "0x0000a4984bd495d4346fa208ddff4f5d5e5ad48c21dec631ddebc99809f16900"
+                )
+
+        val privateKey = Ed25519PrivateKey(ByteArray(32))
+        val publicKey = privateKey.publicKey()
+        val senderAddress = publicKey.deriveAddress()
+        println("Sender address: ${senderAddress.toHex()}")
+
+        // Request funds from faucet
+        val faucet = FaucetClient.newLocal()
+        faucet.requestAndWait(senderAddress)
+
+        val client = GraphQlClient.newLocalhost()
+        // Get coins for the sender address
+        val coinsPage = client.coins(senderAddress, null, null)
+        if (coinsPage.data.isEmpty()) {
+            throw Exception("No coins found")
+        }
+        val gasCoin = coinsPage.data[0]
+
+        val builder = TransactionBuilder.init(senderAddress, client)
+
+        // Split the amount from the gas coin
+        builder.splitCoins(gasCoin.id(), listOf(amount), listOf("coin1"))
+
+        // Transfer the split coin
+        builder.transferObjects(recipientAddress, listOf(PtbArgument.res("coin1")))
+
+        builder.gas(gasCoin.id()).gasBudget(50000000.toULong())
+        val gasPrice = client.referenceGasPrice(null)
+        if (gasPrice == null) {
+            throw Exception("Failed to get gas price")
+        }
+        builder.gasPrice(gasPrice)
+
+        val txn = builder.finish()
+
+        val dryRunResult = client.dryRunTx(txn, false)
+        if (dryRunResult.error != null) {
+            throw Exception("Dry run failed: ${dryRunResult.error}")
+        }
+
+        val signature = privateKey.trySignSimple(txn.signingDigest())
+        val userSignature = UserSignature.newSimple(signature)
+
+        val effects = client.executeTx(listOf(userSignature), txn)
+        if (effects == null) {
+            throw Exception("Transaction execution failed")
+        }
+        println("Digest: ${hexEncode(effects.digest().toBytes())}")
+        println("Transaction status: ${effects.asV1().status}")
+        println("Effects: ${effects.asV1()}")
+    } catch (e: Exception) {
+        e.printStackTrace()
+    }
+}
diff --git a/bindings/python/examples/sign_send_iota.py b/bindings/python/examples/sign_send_iota.py
@@ -0,0 +1,68 @@
+# Copyright (c) 2025 IOTA Stiftung
+# SPDX-License-Identifier: Apache-2.0
+
+from lib.iota_sdk_ffi import *
+
+import asyncio
+
+
+async def main():
+    try:
+        # Amount to send in nanos
+        amount = 1000
+        recipient_address = Address.from_hex(
+            "0x0000a4984bd495d4346fa208ddff4f5d5e5ad48c21dec631ddebc99809f16900"
+        )
+
+        private_key = Ed25519PrivateKey(b'\x00' * 32)
+        public_key = private_key.public_key()
+        sender_address = public_key.derive_address()
+        print(f"Sender address: {sender_address.to_hex()}")
+
+        # Request funds from faucet
+        faucet = FaucetClient.new_local()
+        await faucet.request_and_wait(sender_address)
+
+        client = GraphQlClient.new_localhost()
+        # Get coins for the sender address
+        coins_page = await client.coins(sender_address, None, None)
+        if not coins_page.data:
+            raise Exception("No coins found")
+        gas_coin = coins_page.data[0]
+
+        builder = await TransactionBuilder.init(sender_address, client)
+
+        # Split the amount from the gas coin
+        builder.split_coins(gas_coin.id(), [amount], ["coin1"])
+
+        # Transfer the split coin
+        builder.transfer_objects(recipient_address, [PtbArgument.res("coin1")])
+
+        builder.gas(gas_coin.id()).gas_budget(50000000)
+        gas_price = await client.reference_gas_price(None)
+        if gas_price is None:
+            raise Exception("Failed to get gas price")
+        builder.gas_price(gas_price)
+
+        txn = await builder.finish()
+
+        dry_run_result = await client.dry_run_tx(txn, False)
+        if dry_run_result.error is not None:
+            raise Exception(f"Dry run failed: {dry_run_result.error}")
+
+        signature = private_key.try_sign_simple(txn.signing_digest())
+        user_signature = UserSignature.new_simple(signature)
+
+        effects = await client.execute_tx([user_signature], txn)
+        if effects is None:
+            raise Exception("Transaction execution failed")
+        print(f"Digest: {hex_encode(effects.digest().to_bytes())}")
+        print(f"Transaction status: {effects.as_v1().status}")
+        print(f"Effects: {effects.as_v1()}")
+
+    except Exception as e:
+        print(f"Error: {e}")
+
+
+if __name__ == "__main__":
+    asyncio.run(main())
diff --git a/crates/iota-graphql-client/examples/sign_send_iota.rs b/crates/iota-graphql-client/examples/sign_send_iota.rs
@@ -0,0 +1,71 @@
+// Copyright (c) 2025 IOTA Stiftung
+// SPDX-License-Identifier: Apache-2.0
+
+use eyre::Result;
+use iota_crypto::{IotaSigner, ed25519::Ed25519PrivateKey};
+use iota_graphql_client::{Client, faucet::FaucetClient};
+use iota_transaction_builder::{TransactionBuilder, res};
+use iota_types::Address;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    // Amount to send in nanos
+    let amount = 1_000u64;
+    let recipient_address =
+        Address::from_hex("0x0000a4984bd495d4346fa208ddff4f5d5e5ad48c21dec631ddebc99809f16900")?;
+
+    let private_key = Ed25519PrivateKey::new([0; Ed25519PrivateKey::LENGTH]);
+    let public_key = private_key.public_key();
+    let sender_address = public_key.derive_address();
+    println!("Sender address: {sender_address}");
+
+    // Request funds from faucet
+    FaucetClient::local()
+        .request_and_wait(sender_address)
+        .await?;
+
+    let client = Client::new_localhost();
+    // Get coins for the sender address
+    let coins_page = client
+        .coins(sender_address, None, Default::default())
+        .await?;
+    let gas_coin = coins_page.data.first().expect("no gas coin found");
+
+    let mut builder = TransactionBuilder::new(sender_address).with_client(client.clone());
+
+    // Split the amount from the gas coin
+    builder
+        .split_coins(*gas_coin.id(), vec![amount])
+        .name("coin1");
+
+    // Transfer the split coin
+    builder.transfer_objects(recipient_address, vec![res("coin1")]);
+
+    builder.gas(*gas_coin.id()).gas_budget(50_000_000);
+    builder.gas_price(
+        client
+            .reference_gas_price(None)
+            .await?
+            .expect("missing ref gas price"),
+    );
+
+    let tx = builder.finish().await?;
+
+    let dry_run_result = client.dry_run_tx(&tx, false).await?;
+    if let Some(err) = dry_run_result.error {
+        eyre::bail!("Dry run failed: {err}");
+    }
+
+    let signature = private_key.sign_transaction(&tx)?;
+
+    let effects = client.execute_tx(&[signature], &tx).await?;
+    if let Some(effects) = effects {
+        println!("Digest: {}", effects.digest());
+        println!("Transaction status: {:?}", effects.status());
+        println!("Effects: {effects:#?}");
+    } else {
+        println!("Transaction execution failed");
+    }
+
+    Ok(())
+}
diff --git a/crates/iota-transaction-builder/src/builder/ptb_arguments.rs b/crates/iota-transaction-builder/src/builder/ptb_arguments.rs
@@ -80,6 +80,30 @@ impl PTBArguments for Vec<iota_types::Input> {
     }
 }
 
+impl PTBArguments for Vec<Res> {
+    fn push_args(&self, ptb: &mut TransactionBuildData, args: &mut Vec<Argument>) {
+        for input in self {
+            input.push_args(ptb, args);
+        }
+    }
+}
+
+impl<T: PTBArguments> PTBArguments for [T] {
+    fn push_args(&self, ptb: &mut TransactionBuildData, args: &mut Vec<Argument>) {
+        for input in self {
+            input.push_args(ptb, args);
+        }
+    }
+}
+
+impl<const N: usize, T: PTBArguments> PTBArguments for [T; N] {
+    fn push_args(&self, ptb: &mut TransactionBuildData, args: &mut Vec<Argument>) {
+        for input in self {
+            input.push_args(ptb, args);
+        }
+    }
+}
+
 /// Allows specifying shared parameters.
 pub struct Shared<T>(pub T);
 
