chore: multipayment setup

src/Enums/AbiFunction.php

@@ -4,6 +4,7 @@
 
 namespace ArkEcosystem\Crypto\Enums;
 
+use ArkEcosystem\Crypto\Transactions\Types\Multipayment;
 use ArkEcosystem\Crypto\Transactions\Types\Unvote;
 use ArkEcosystem\Crypto\Transactions\Types\UsernameRegistration;
 use ArkEcosystem\Crypto\Transactions\Types\UsernameResignation;
@@ -19,6 +20,7 @@ enum AbiFunction: string
     case VALIDATOR_RESIGNATION        = 'resignValidator';
     case USERNAME_REGISTRATION        = 'registerUsername';
     case USERNAME_RESIGNATION         = 'resignUsername';
+    case MULTIPAYMENT                 = 'pay';
 
     public function transactionClass(): string
     {
@@ -29,6 +31,7 @@ public function transactionClass(): string
             self::VALIDATOR_RESIGNATION      => ValidatorResignation::class,
             self::USERNAME_REGISTRATION      => UsernameRegistration::class,
             self::USERNAME_RESIGNATION       => UsernameResignation::class,
+            self::MULTIPAYMENT               => Multipayment::class,
         };
     }
 }

src/Transactions/Builder/MultipaymentBuilder.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ArkEcosystem\Crypto\Transactions\Builder;
+
+use ArkEcosystem\Crypto\Enums\ContractAddresses;
+use ArkEcosystem\Crypto\Transactions\Types\AbstractTransaction;
+use ArkEcosystem\Crypto\Transactions\Types\Multipayment;
+use Exception;
+
+class MultipaymentBuilder extends AbstractTransactionBuilder
+{
+    public function __construct(?array $data = null)
+    {
+        parent::__construct($data);
+
+        $this->recipientAddress(ContractAddresses::MULTIPAYMENT->value);
+
+        $this->transaction->data['pay'] = [[], []];
+        $this->transaction->refreshPayloadData();
+    }
+
+    public function pay(string $address, string $amount): self
+    {
+        // TODO: validate amount and address?
+        $this->transaction->data['pay'][0][] = $address;
+        $this->transaction->data['pay'][1][] = $amount;
+
+        $this->transaction->refreshPayloadData();
+
+        $this->transaction->data['value']+= $amount;
+
+        return $this;
+    }
+
+    protected function getTransactionInstance(?array $data = []): AbstractTransaction
+    {
+        return new Multipayment($data);
+    }
+}

src/Transactions/Types/AbstractTransaction.php

@@ -5,6 +5,7 @@
 namespace ArkEcosystem\Crypto\Transactions\Types;
 
 use ArkEcosystem\Crypto\Configuration\Network;
+use ArkEcosystem\Crypto\Enums\ContractAbiType;
 use ArkEcosystem\Crypto\Identities\Address;
 use ArkEcosystem\Crypto\Transactions\Serializer;
 use ArkEcosystem\Crypto\Utils\AbiDecoder;
@@ -170,7 +171,7 @@ public function hash(bool $skipSignature): BufferInterface
         return TransactionHasher::toHash($hashData, $skipSignature);
     }
 
-    protected function decodePayload(array $data): ?array
+    protected function decodePayload(array $data, ContractAbiType $type = ContractAbiType::CONSENSUS): ?array
     {
         if (! isset($data['data'])) {
             return null;
@@ -182,7 +183,7 @@ protected function decodePayload(array $data): ?array
             return null;
         }
 
-        return (new AbiDecoder())->decodeFunctionData($payload);
+        return (new AbiDecoder($type))->decodeFunctionData($payload);
     }
 
     private function getSignature(): CompactSignatureInterface

src/Transactions/Types/Multipayment.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ArkEcosystem\Crypto\Transactions\Types;
+
+use ArkEcosystem\Crypto\Enums\AbiFunction;
+use ArkEcosystem\Crypto\Enums\ContractAbiType;
+use ArkEcosystem\Crypto\Utils\AbiEncoder;
+
+class Multipayment extends AbstractTransaction
+{
+    public function __construct(?array $data = [])
+    {
+        $payload = $this->decodePayload($data, ContractAbiType::MULTIPAYMENT);
+
+        if ($payload !== null) {
+            $data['pay'] = $payload['args'][0];
+        }
+
+        parent::__construct($data);
+    }
+
+    public function getPayload(): string
+    {
+        if (! array_key_exists('pay', $this->data)) {
+            return '';
+        }
+
+        return (new AbiEncoder(ContractAbiType::MULTIPAYMENT))->encodeFunctionCall(AbiFunction::MULTIPAYMENT->value, [$this->data['pay']]);
+    }
+}

src/Utils/AbiEncoder.php

@@ -90,6 +90,8 @@ private function getAbiItem(array $abi, string $name, array $args): array
             }
         }
 
+
+
         throw new Exception("Function with matching arguments not found in ABI: $name");
     }
 

tests/Unit/Transactions/Builder/MultipaymentBuilderTest.php

@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ArkEcosystem\Tests\Crypto\Unit\Transactions\Builder;
+
+use ArkEcosystem\Crypto\Exceptions\InvalidUsernameException;
+use ArkEcosystem\Crypto\Transactions\Builder\MultipaymentBuilder;
+use ArkEcosystem\Tests\Crypto\TestCase;
+
+/**
+ * @covers \ArkEcosystem\Crypto\Transactions\Builder\MultipaymentBuilder
+ */
+class MultipaymentBuilderTest extends TestCase
+{
+    // /** @test */
+    // public function it_should_sign_it_with_a_passphrase()
+    // {
+    //     $fixture = $this->getTransactionFixture('evm_call', 'username-registration');
+
+    //     $builder = UsernameRegistrationBuilder::new()
+    //       ->gasPrice($fixture['data']['gasPrice'])
+    //       ->nonce($fixture['data']['nonce'])
+    //       ->network($fixture['data']['network'])
+    //       ->gasLimit($fixture['data']['gasLimit'])
+    //       ->username('php')
+    //       ->sign($this->passphrase);
+
+    //     $this->assertSame($fixture['serialized'], $builder->transaction->serialize()->getHex());
+
+    //     $this->assertSame($fixture['data']['id'], $builder->transaction->data['id']);
+
+    //     $this->assertTrue($builder->verify());
+    // }
+
+    /** @test */
+    public function it_should_handle_single_recipient()
+    {
+        $fixture = $this->getTransactionFixture('evm_call', 'multipayment-1');
+
+        $builder = MultipaymentBuilder::new()
+          ->gasPrice($fixture['data']['gasPrice'])
+          ->nonce($fixture['data']['nonce'])
+          ->network($fixture['data']['network'])
+          ->gasLimit($fixture['data']['gasLimit'])
+          ->pay('0x8233F6Df6449D7655f4643D2E752DC8D2283fAd5', '1000000000000000000')
+          ->sign($this->passphrase);
+
+        $this->assertSame($fixture['serialized'], $builder->transaction->serialize()->getHex());
+
+        $this->assertSame($fixture['data']['id'], $builder->transaction->data['id']);
+
+        $this->assertTrue($builder->verify());
+    }
+
+    // /** @test */
+    // public function it_should_handle_sending_to_self()
+    // {
+
+    // }
+
+    /** @test */
+    // public function it_should_handle_empty_payment()
+    // {
+    //     $fixture = $this->getTransactionFixture('evm_call', 'multipayment-0');
+
+    //     $builder = MultipaymentBuilder::new()
+    //       ->gasPrice($fixture['data']['gasPrice'])
+    //       ->nonce($fixture['data']['nonce'])
+    //       ->network($fixture['data']['network'])
+    //       ->gasLimit($fixture['data']['gasLimit'])
+    //       ->sign($this->passphrase);
+
+    //     $this->assertSame($fixture['serialized'], $builder->transaction->serialize()->getHex());
+
+    //     $this->assertSame($fixture['data']['id'], $builder->transaction->data['id']);
+
+    //     $this->assertTrue($builder->verify());
+    // }
+}

tests/fixtures/transactions/evm_call/multipayment-0.json

@@ -0,0 +1,16 @@
+{
+    "data": {
+        "network": 30,
+        "nonce": "1",
+        "gasPrice": 5,
+        "gasLimit": 1000000,
+        "value": "0",
+        "recipientAddress": "0x83769BeEB7e5405ef0B7dc3C66C43E3a51A6d27f",
+        "data": "084ce7080000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+        "signature": "97e06c7c8c2d7d9409d0330113784126ff87e873f777864295c28403e2c8fc1d2bf455c94b8b72e70d6ac414aadbcc5c9a3c3cca82686587345346ec5554d09500",
+        "senderPublicKey": "023efc1da7f315f3c533a4080e491f32cd4219731cef008976c3876539e1f192d3",
+        "senderAddress": "0x6F0182a0cc707b055322CcF6d4CB6a5Aff1aEb22",
+        "id": "8cc750a6260fcf0a56e88a5c0e8e1b8f6edda3747b9517533e3081fa78735290"
+    },
+    "serialized": "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"
+}

tests/fixtures/transactions/evm_call/multipayment-1.json

@@ -0,0 +1,16 @@
+{
+    "data": {
+        "network": 30,
+        "nonce": "4",
+        "gasPrice": 5,
+        "gasLimit": 1000000,
+        "value": "1000000000000000000n",
+        "recipientAddress": "0x83769BeEB7e5405ef0B7dc3C66C43E3a51A6d27f",
+        "data": "084ce7080000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000010000000000000000000000008233f6df6449d7655f4643d2e752dc8d2283fad500000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000de0b6b3a7640000",
+        "signature": "4368a0aa9a9ae7931ef47709a0c727a21086eff3ae695948cfe57017c556cbb82d904197fbf6a1916bd6b8233f2ade4a42c5a296d9429c00148c609fafbb097100",
+        "senderPublicKey": "03f25455408f9a7e6c6a056b121e68fbda98f3511d22e9ef27b0ebaf1ef9e4eabc",
+        "senderAddress": "0xfEAf2f24ba1205e9255d015DFaD8463c70D9A466",
+        "id": "abed9a416c3c4c5c503985b85ccf346560e4cc768c33233868c16cc3c7cefe8e"
+    },
+    "serialised": "1e04000000000000000500000040420f000000000000000000000000000000000000000000000000000de0b6b3a76400000183769beeb7e5405ef0b7dc3c66c43e3a51a6d27fc4000000084ce7080000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000010000000000000000000000008233f6df6449d7655f4643d2e752dc8d2283fad500000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000de0b6b3a76400004368a0aa9a9ae7931ef47709a0c727a21086eff3ae695948cfe57017c556cbb82d904197fbf6a1916bd6b8233f2ade4a42c5a296d9429c00148c609fafbb097100"
+}

tests/fixtures/transactions/evm_call/multipayment.json

@@ -0,0 +1,16 @@
+{
+    "data": {
+        "network": 30,
+        "nonce": "0",
+        "gasPrice": 5,
+        "gasLimit": 1000000,
+        "value": "3000000000000000000",
+        "recipientAddress": "0x83769BeEB7e5405ef0B7dc3C66C43E3a51A6d27f",
+        "data": "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",
+        "signature": "b7073cf34ac3eb4e1429ac1ddc42603bda078e221cd3098fdc61edd162a2e03902068fc0c72d2b5dacc91c2ebd4c44f53287a5eb2ce8f888d0d0c9f3a72a600001",
+        "senderPublicKey": "023efc1da7f315f3c533a4080e491f32cd4219731cef008976c3876539e1f192d3",
+        "senderAddress": "0x6F0182a0cc707b055322CcF6d4CB6a5Aff1aEb22",
+        "id": "3dff56759f96969db1e9d04656646bdb78bf34452a83644cb994ca2bbc2d4a8d"
+    },
+    "serialised": "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"
+}