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Contract estimateGas method.

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This commit is contained in:
sc0Vu 2018-01-12 15:16:31 +08:00
parent b1129bb066
commit 24e5074722
2 changed files with 174 additions and 29 deletions
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70
src/Contract.php
View File

@ -427,4 +427,74 @@ class Contract
});
}
}
/**
* estimateGas
* Estimate function gas.
*
* @param mixed
* @return void
*/
public function estimateGas()
{
if (isset($this->functions) || isset($this->callback)) {
$arguments = func_get_args();
$callback = array_pop($arguments);
if (empty($this->toAddress) && !empty($this->bytecode)) {
$constructor = $this->constructor;
if (count($arguments) < count($constructor['inputs'])) {
throw new InvalidArgumentException('Please make sure you have put all constructor params and callback.');
}
if (is_callable($callback) !== true) {
throw new \InvalidArgumentException('The last param must be callback function.');
}
if (!isset($this->bytecode)) {
throw new \InvalidArgumentException('Please call bytecode($bytecode) before new().');
}
$params = array_splice($arguments, 0, count($constructor['inputs']));
$data = $this->ethabi->encodeParameters($constructor, $params);
$transaction = [];
if (count($arguments) > 0) {
$transaction = $arguments[0];
}
$transaction['to'] = '';
$transaction['data'] = '0x' . $this->bytecode . Utils::stripZero($data);
} else {
$method = array_splice($arguments, 0, 1)[0];
if (!is_string($method) && !isset($this->functions[$method])) {
throw new InvalidArgumentException('Please make sure the method is existed.');
}
$function = $this->functions[$method];
if (count($arguments) < count($function['inputs'])) {
throw new InvalidArgumentException('Please make sure you have put all function params and callback.');
}
if (is_callable($callback) !== true) {
throw new \InvalidArgumentException('The last param must be callback function.');
}
$params = array_splice($arguments, 0, count($function['inputs']));
$data = $this->ethabi->encodeParameters($function, $params);
$functionName = Utils::jsonMethodToString($function);
$functionSignature = $this->ethabi->encodeFunctionSignature($functionName);
$transaction = [];
if (count($arguments) > 0) {
$transaction = $arguments[0];
}
$transaction['to'] = $this->toAddress;
$transaction['data'] = $functionSignature . Utils::stripZero($data);
}
$this->eth->estimateGas($transaction, function ($err, $gas) use ($callback){
if ($err !== null) {
return call_user_func($callback, $err, null);
}
return call_user_func($callback, null, $gas);
});
}
}
}

133
test/unit/ContractTest.php
View File

@ -308,8 +308,8 @@ class ContractTest extends TestCase
$this->contract = new Contract($this->web3->provider, $this->testAbi);
$this->contract->eth->accounts(function ($err, $accounts) {
if ($err === null) {
if (isset($accounts->result)) {
$this->accounts = $accounts->result;
if (isset($accounts)) {
$this->accounts = $accounts;
return;
}
}
@ -338,19 +338,19 @@ class ContractTest extends TestCase
// infura api gg
return $this->assertTrue($err !== null);
}
if ($result->result) {
echo "\nTransaction has made:) id: " . $result->result . "\n";
if ($result) {
echo "\nTransaction has made:) id: " . $result . "\n";
}
$transactionId = $result->result;
$transactionId = $result;
$this->assertTrue((preg_match('/^0x[a-f0-9]{64}$/', $transactionId) === 1));
$contract->eth->getTransactionReceipt($transactionId, function ($err, $transaction) {
if ($err !== null) {
return $this->fail($err);
}
if ($transaction->result) {
$this->contractAddress = $transaction->result->contractAddress;
echo "\nTransaction has mind:) block number: " . $transaction->result->blockNumber . "\n";
if ($transaction) {
$this->contractAddress = $transaction->contractAddress;
echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
}
});
});
@ -383,19 +383,19 @@ class ContractTest extends TestCase
// infura api gg
return $this->assertTrue($err !== null);
}
if ($result->result) {
echo "\nTransaction has made:) id: " . $result->result . "\n";
if ($result) {
echo "\nTransaction has made:) id: " . $result . "\n";
}
$transactionId = $result->result;
$transactionId = $result;
$this->assertTrue((preg_match('/^0x[a-f0-9]{64}$/', $transactionId) === 1));
$contract->eth->getTransactionReceipt($transactionId, function ($err, $transaction) {
if ($err !== null) {
return $this->fail($err);
}
if ($transaction->result) {
$this->contractAddress = $transaction->result->contractAddress;
echo "\nTransaction has mind:) block number: " . $transaction->result->blockNumber . "\n";
if ($transaction) {
$this->contractAddress = $transaction->contractAddress;
echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
}
});
});
@ -411,19 +411,19 @@ class ContractTest extends TestCase
// infura api gg
return $this->assertTrue($err !== null);
}
if ($result->result) {
echo "\nTransaction has made:) id: " . $result->result . "\n";
if ($result) {
echo "\nTransaction has made:) id: " . $result . "\n";
}
$transactionId = $result->result;
$transactionId = $result;
$this->assertTrue((preg_match('/^0x[a-f0-9]{64}$/', $transactionId) === 1));
$contract->eth->getTransactionReceipt($transactionId, function ($err, $transaction) use ($fromAccount, $toAccount) {
if ($err !== null) {
return $this->fail($err);
}
if ($transaction->result) {
$topics = $transaction->result->logs[0]->topics;
echo "\nTransaction has mind:) block number: " . $transaction->result->blockNumber . "\n";
if ($transaction) {
$topics = $transaction->logs[0]->topics;
echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
// validate topics
$this->assertEquals(Ethabi::encodeEventSignature($this->contract->events['Transfer']), $topics[0]);
@ -461,19 +461,19 @@ class ContractTest extends TestCase
// infura api gg
return $this->assertTrue($err !== null);
}
if ($result->result) {
echo "\nTransaction has made:) id: " . $result->result . "\n";
if ($result) {
echo "\nTransaction has made:) id: " . $result . "\n";
}
$transactionId = $result->result;
$transactionId = $result;
$this->assertTrue((preg_match('/^0x[a-f0-9]{64}$/', $transactionId) === 1));
$contract->eth->getTransactionReceipt($transactionId, function ($err, $transaction) {
if ($err !== null) {
return $this->fail($err);
}
if ($transaction->result) {
$this->contractAddress = $transaction->result->contractAddress;
echo "\nTransaction has mind:) block number: " . $transaction->result->blockNumber . "\n";
if ($transaction) {
$this->contractAddress = $transaction->contractAddress;
echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
}
});
});
@ -488,10 +488,85 @@ class ContractTest extends TestCase
// infura api gg
return $this->assertTrue($err !== null);
}
if (isset($result->result)) {
// $bn = Utils::toBn($result->result);
if (isset($result)) {
// $bn = Utils::toBn($result);
// $this->assertEquals($bn->toString(), '10000', 'Balance should be 10000.');
$this->assertTrue($result->result !== null);
$this->assertTrue($result !== null);
}
});
}
/**
* testEstimateGas
*
* @return void
*/
public function testEstimateGas()
{
$contract = $this->contract;
if (!isset($this->accounts[0])) {
$fromAccount = '0x407d73d8a49eeb85d32cf465507dd71d507100c1';
} else {
$fromAccount = $this->accounts[0];
}
if (!isset($this->accounts[1])) {
$toAccount = '0x407d73d8a49eeb85d32cf465507dd71d507100c2';
} else {
$toAccount = $this->accounts[1];
}
$contract->bytecode($this->testBytecode)->new(10000, 'Game Token', 1, 'GT', [
'from' => $fromAccount,
'gas' => '0x200b20'
], function ($err, $result) use ($contract) {
if ($err !== null) {
// infura api gg
return $this->assertTrue($err !== null);
}
if ($result) {
echo "\nTransaction has made:) id: " . $result . "\n";
}
$transactionId = $result;
$this->assertTrue((preg_match('/^0x[a-f0-9]{64}$/', $transactionId) === 1));
$contract->eth->getTransactionReceipt($transactionId, function ($err, $transaction) {
if ($err !== null) {
return $this->fail($err);
}
if ($transaction) {
$this->contractAddress = $transaction->contractAddress;
echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
}
});
});
$contract->bytecode($this->testBytecode)->estimateGas(10000, 'Game Token', 1, 'GT', [
'from' => $fromAccount,
'gas' => '0x200b20'
], function ($err, $result) use ($contract) {
if ($err !== null) {
// infura api gg
return $this->assertTrue($err !== null);
}
if (isset($result)) {
echo "\nEstimate gas: " . $result->toString() . "\n";
$this->assertTrue($result !== null);
}
});
if (!isset($this->contractAddress)) {
$this->contractAddress = '0x407d73d8a49eeb85d32cf465507dd71d507100c2';
}
$contract->at($this->contractAddress)->estimateGas('balanceOf', $fromAccount, [
'from' => $fromAccount
], function ($err, $result) use ($contract) {
if ($err !== null) {
// infura api gg
return $this->assertTrue($err !== null);
}
if (isset($result)) {
echo "\nEstimate gas: " . $result->toString() . "\n";
$this->assertTrue($result !== null);
}
});
}