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| 1 | <?php |
| 2 | |
| 3 | namespace Attestto\SolanaPhpSdk\Programs; |
| 4 | |
| 5 | use Attestto\SolanaPhpSdk\Exceptions\AccountNotFoundException; |
| 6 | use Attestto\SolanaPhpSdk\Program; |
| 7 | use Attestto\SolanaPhpSdk\PublicKey; |
| 8 | use Attestto\SolanaPhpSdk\TransactionInstruction; |
| 9 | use Attestto\SolanaPhpSdk\Util\AccountMeta; |
| 10 | |
| 11 | class SystemProgram extends Program |
| 12 | { |
| 13 | const PROGRAM_INDEX_CREATE_ACCOUNT = 0; |
| 14 | const PROGRAM_INDEX_TRANSFER = 2; |
| 15 | const PROGRAM_ID = '11111111111111111111111111111111'; |
| 16 | |
| 17 | /** |
| 18 | * Public key that identifies the System program |
| 19 | * |
| 20 | * @return PublicKey |
| 21 | */ |
| 22 | static function programId(): PublicKey |
| 23 | { |
| 24 | return new PublicKey('11111111111111111111111111111111'); |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * @param string $pubKey |
| 29 | * @return array |
| 30 | */ |
| 31 | public function getAccountInfo(string $pubKey): array |
| 32 | { |
| 33 | $accountResponse = $this->client->call('getAccountInfo', [$pubKey, ["encoding" => "jsonParsed"]])['value']; |
| 34 | |
| 35 | if (! $accountResponse) { |
| 36 | throw new AccountNotFoundException("API Error: Account {$pubKey} not found."); |
| 37 | } |
| 38 | |
| 39 | return $accountResponse; |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * @param string $pubKey |
| 44 | * @return float |
| 45 | */ |
| 46 | public function getBalance(string $pubKey): float |
| 47 | { |
| 48 | return $this->client->call('getBalance', [$pubKey])['value']; |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * @param string $transactionSignature |
| 53 | * @return array |
| 54 | */ |
| 55 | public function getConfirmedTransaction(string $transactionSignature): array |
| 56 | { |
| 57 | return $this->client->call('getConfirmedTransaction', [$transactionSignature]); |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * NEW: This method is only available in solana-core v1.7 or newer. Please use getConfirmedTransaction for solana-core v1.6 |
| 62 | * |
| 63 | * @param string $transactionSignature |
| 64 | * @return array |
| 65 | */ |
| 66 | public function getTransaction(string $transactionSignature): array |
| 67 | { |
| 68 | return $this->client->call('getTransaction', [$transactionSignature]); |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Generate a transaction instruction that transfers lamports from one account to another |
| 73 | * |
| 74 | * @param PublicKey $fromPubkey |
| 75 | * @param PublicKey $toPublicKey |
| 76 | * @param int $lamports |
| 77 | * @return TransactionInstruction |
| 78 | */ |
| 79 | static public function transfer( |
| 80 | PublicKey $fromPubkey, |
| 81 | PublicKey $toPublicKey, |
| 82 | int $lamports |
| 83 | ): TransactionInstruction |
| 84 | { |
| 85 | // 4 byte instruction index + 8 bytes lamports |
| 86 | // look at https://www.php.net/manual/en/function.pack.php for formats. |
| 87 | $data = [ |
| 88 | // uint32 |
| 89 | ...unpack("C*", pack("V", self::PROGRAM_INDEX_TRANSFER)), |
| 90 | // int64 |
| 91 | ...unpack("C*", pack("P", $lamports)), |
| 92 | ]; |
| 93 | $keys = [ |
| 94 | new AccountMeta($fromPubkey, true, true), |
| 95 | new AccountMeta($toPublicKey, false, true), |
| 96 | ]; |
| 97 | |
| 98 | return new TransactionInstruction( |
| 99 | static::programId(), |
| 100 | $keys, |
| 101 | $data |
| 102 | ); |
| 103 | } |
| 104 | |
| 105 | static public function createAccount( |
| 106 | PublicKey $fromPubkey, |
| 107 | PublicKey $newAccountPublicKey, |
| 108 | int $lamports, |
| 109 | int $space, |
| 110 | PublicKey $programId |
| 111 | ): TransactionInstruction |
| 112 | { |
| 113 | // look at https://www.php.net/manual/en/function.pack.php for formats. |
| 114 | $data = [ |
| 115 | // uint32 |
| 116 | ...unpack("C*", pack("V", self::PROGRAM_INDEX_CREATE_ACCOUNT)), |
| 117 | // int64 |
| 118 | ...unpack("C*", pack("P", $lamports)), |
| 119 | // int64 |
| 120 | ...unpack("C*", pack("P", $space)), |
| 121 | // |
| 122 | ...$programId->toBytes(), |
| 123 | ]; |
| 124 | $keys = [ |
| 125 | new AccountMeta($fromPubkey, true, true), |
| 126 | new AccountMeta($newAccountPublicKey, true, true), |
| 127 | ]; |
| 128 | |
| 129 | return new TransactionInstruction( |
| 130 | static::programId(), |
| 131 | $keys, |
| 132 | $data |
| 133 | ); |
| 134 | } |
| 135 | } |