220 lines
8.3 KiB
PHP
220 lines
8.3 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Contractless\Rpc\Transaction;
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use Contractless\Rpc\Crypto\CryptoInterface;
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use Contractless\Rpc\Exception\ProtocolException;
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use Contractless\Rpc\Protocol\Address;
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use Contractless\Rpc\Protocol\Binary;
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use Contractless\Rpc\Protocol\RequestBuilder;
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use Contractless\Rpc\Wallet\Credentials;
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final class StorageBuilder
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{
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use SignsTransactions;
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public function __construct(CryptoInterface $crypto, Credentials $credentials)
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{
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$this->crypto = $crypto;
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$this->credentials = $credentials;
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}
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public function createKey(
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string $address,
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int $fee,
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?int $timestamp = null,
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): SignedTransaction {
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$timestamp ??= time();
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$unsigned = [
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'txtype' => 100, 'time' => $timestamp, 'address' => $address, 'txfee' => $fee,
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];
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return $this->sign(
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$unsigned,
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Binary::u8(100) . Binary::u32($timestamp)
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. Address::toBytes($address) . Binary::u64($fee),
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);
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}
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public function boolean(
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string $storageKey,
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string $key,
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bool $value,
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string $address,
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int $fee,
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?int $timestamp = null,
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): SignedTransaction {
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return $this->value(101, $storageKey, $key, $value, $address, $fee, $timestamp);
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}
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public function u8(string $storageKey, string $key, int $value, string $address, int $fee, ?int $timestamp = null): SignedTransaction
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{
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return $this->value(102, $storageKey, $key, $value, $address, $fee, $timestamp);
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}
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public function u16(string $storageKey, string $key, int $value, string $address, int $fee, ?int $timestamp = null): SignedTransaction
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{
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return $this->value(103, $storageKey, $key, $value, $address, $fee, $timestamp);
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}
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public function u32(string $storageKey, string $key, int $value, string $address, int $fee, ?int $timestamp = null): SignedTransaction
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{
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return $this->value(104, $storageKey, $key, $value, $address, $fee, $timestamp);
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}
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public function u64(string $storageKey, string $key, int $value, string $address, int $fee, ?int $timestamp = null): SignedTransaction
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{
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return $this->value(105, $storageKey, $key, $value, $address, $fee, $timestamp);
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}
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public function i8(string $storageKey, string $key, int $value, string $address, int $fee, ?int $timestamp = null): SignedTransaction
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{
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return $this->value(108, $storageKey, $key, $value, $address, $fee, $timestamp);
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}
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public function i16(string $storageKey, string $key, int $value, string $address, int $fee, ?int $timestamp = null): SignedTransaction
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{
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return $this->value(109, $storageKey, $key, $value, $address, $fee, $timestamp);
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}
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public function i32(string $storageKey, string $key, int $value, string $address, int $fee, ?int $timestamp = null): SignedTransaction
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{
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return $this->value(110, $storageKey, $key, $value, $address, $fee, $timestamp);
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}
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public function i64(string $storageKey, string $key, int $value, string $address, int $fee, ?int $timestamp = null): SignedTransaction
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{
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return $this->value(111, $storageKey, $key, $value, $address, $fee, $timestamp);
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}
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public function u128(string $storageKey, string $key, string $value, string $address, int $fee, ?int $timestamp = null): SignedTransaction
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{
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return $this->value128(106, $storageKey, $key, $value, $address, $fee, $timestamp);
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}
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public function i128(string $storageKey, string $key, string $value, string $address, int $fee, ?int $timestamp = null): SignedTransaction
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{
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return $this->value128(112, $storageKey, $key, $value, $address, $fee, $timestamp);
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}
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public function string(
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string $storageKey,
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string $key,
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string $value,
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string $address,
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string $previousHash,
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int $fee,
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?int $timestamp = null,
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): SignedTransaction {
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$timestamp ??= time();
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$key = Binary::fixedText($key, 50, 'Storage data key');
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$value = Binary::fixedText($value, 180, 'Storage string value');
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$unsigned = [
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'txtype' => 107, 'time' => $timestamp, 'storagekey' => $storageKey,
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'key' => $key, 'value' => $value, 'address' => $address,
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'previous' => $previousHash, 'txfee' => $fee,
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];
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$binary = Binary::u8(107) . Binary::u32($timestamp)
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. RequestBuilder::hash($storageKey, 'Storage key') . $key . $value
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. Address::toBytes($address)
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. RequestBuilder::hash($previousHash, 'Previous string transaction hash')
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. Binary::u64($fee);
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return $this->sign($unsigned, $binary);
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}
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public function delete(
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string $storageKey,
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string $key,
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string $address,
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int $fee,
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?int $timestamp = null,
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): SignedTransaction {
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$timestamp ??= time();
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$key = Binary::fixedText($key, 50, 'Storage data key');
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$unsigned = [
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'txtype' => 113, 'time' => $timestamp, 'storagekey' => $storageKey,
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'key' => $key, 'address' => $address, 'txfee' => $fee,
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];
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$binary = Binary::u8(113) . Binary::u32($timestamp)
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. RequestBuilder::hash($storageKey, 'Storage key') . $key
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. Address::toBytes($address) . Binary::u64($fee);
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return $this->sign($unsigned, $binary);
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}
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private function value(
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int $type,
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string $storageKey,
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string $key,
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bool|int $value,
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string $address,
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int $fee,
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?int $timestamp,
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): SignedTransaction {
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$timestamp ??= time();
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$key = Binary::fixedText($key, 50, 'Storage data key');
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$valueBytes = match ($type) {
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101 => Binary::u8($value === true ? 1 : 0),
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102 => Binary::u8($this->integer($value)),
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103 => Binary::u16($this->integer($value)),
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104 => Binary::u32($this->integer($value)),
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105 => Binary::u64($this->integer($value)),
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108 => Binary::i8($this->integer($value)),
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109 => Binary::i16($this->integer($value)),
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110 => Binary::i32($this->integer($value)),
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111 => Binary::i64($this->integer($value)),
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default => throw new ProtocolException("Unsupported storage value type $type."),
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};
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$unsigned = [
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'txtype' => $type, 'time' => $timestamp, 'storagekey' => $storageKey,
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'key' => $key, 'value' => $value, 'address' => $address, 'txfee' => $fee,
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];
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$binary = Binary::u8($type) . Binary::u32($timestamp)
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. RequestBuilder::hash($storageKey, 'Storage key') . $key . $valueBytes
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. Address::toBytes($address) . Binary::u64($fee);
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return $this->sign($unsigned, $binary);
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}
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private function integer(bool|int $value): int
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{
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if (!is_int($value)) {
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throw new ProtocolException('Numeric storage values must be integers.');
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}
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return $value;
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}
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private function value128(
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int $type,
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string $storageKey,
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string $key,
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string $value,
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string $address,
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int $fee,
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?int $timestamp,
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): SignedTransaction {
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$timestamp ??= time();
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$key = Binary::fixedText($key, 50, 'Storage data key');
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$value = trim($value);
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$valueBytes = $type === 106 ? Binary::u128($value) : Binary::i128($value);
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// serde_json writes Rust u128/i128 values as unquoted decimal numbers.
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$json = '{"txtype":' . $type
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. ',"time":' . $timestamp
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. ',"storagekey":' . json_encode($storageKey, JSON_THROW_ON_ERROR)
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. ',"key":' . json_encode($key, JSON_THROW_ON_ERROR)
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. ',"value":' . $value
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. ',"address":' . json_encode($address, JSON_THROW_ON_ERROR)
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. ',"txfee":' . $fee . '}';
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$digest = $this->crypto->skein256($json);
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$signature = $this->crypto->sign(
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$digest,
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$this->credentials->privateKey,
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$this->credentials->publicKey,
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);
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$binary = Binary::u8($type) . Binary::u32($timestamp)
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. RequestBuilder::hash($storageKey, 'Storage key') . $key . $valueBytes
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. Address::toBytes($address) . Binary::u64($fee);
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return new SignedTransaction($binary . $signature, $signature, $json);
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}
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}
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