Add support for same function name but with different parameters

See issue #134

src/Contract.php

@@ -129,7 +129,7 @@ class Contract
         foreach ($abiArray as $item) {
             if (isset($item['type'])) {
                 if ($item['type'] === 'function') {
-                    $this->functions[$item['name']] = $item;
+                    $this->functions[] = $item;
                 } elseif ($item['type'] === 'constructor') {
                     $this->constructor = $item;
                 } elseif ($item['type'] === 'event') {
@@ -382,7 +382,7 @@ class Contract
         foreach ($abiArray as $item) {
             if (isset($item['type'])) {
                 if ($item['type'] === 'function') {
-                    $this->functions[$item['name']] = $item;
+                    $this->functions[] = $item;
                 } elseif ($item['type'] === 'constructor') {
                     $this->constructor = $item;
                 } elseif ($item['type'] === 'event') {
@@ -451,26 +451,75 @@ class Contract
             $method = array_splice($arguments, 0, 1)[0];
             $callback = array_pop($arguments);
 
-            if (!is_string($method) || !isset($this->functions[$method])) {
+            if (!is_string($method)) {
-                throw new InvalidArgumentException('Please make sure the method exists.');
+                throw new InvalidArgumentException('Please make sure the method is string.');
             }
-            $function = $this->functions[$method];
 
-            if (count($arguments) < count($function['inputs'])) {
+            $functions = [];
-                throw new InvalidArgumentException('Please make sure you have put all function params and callback.');
+            foreach ($this->functions as $function) {
+                if ($function["name"] === $method) {
+                    $functions[] = $function;
+                }
+            };
+            if (count($functions) < 1) {
+                throw new InvalidArgumentException('Please make sure the method exists.');
             }
             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) {
+            // check the last one in arguments is transaction object
-                $transaction = $arguments[0];
+            $argsLen = count($arguments);
+            $transaction = [];
+            $hasTransaction = false;
+
+            if ($argsLen > 0) {
+                $transaction = $arguments[$argsLen - 1];
             }
+            if (
+                isset($transaction["from"]) ||
+                isset($transaction["to"]) ||
+                isset($transaction["gas"]) ||
+                isset($transaction["gasPrice"]) ||
+                isset($transaction["value"]) ||
+                isset($transaction["data"]) ||
+                isset($transaction["nonce"])
+            ) {
+                $hasTransaction = true;
+            } else {
+                $transaction = [];
+            }
+
+            $params = [];
+            $data = "";
+            $functionName = "";
+            foreach ($functions as $function) {
+                if ($hasTransaction) {
+                    if ($argsLen - 1 !== count($function['inputs'])) {
+                        continue;
+                    } else {
+                        $paramsLen = $argsLen - 1;
+                    }
+                } else {
+                    if ($argsLen !== count($function['inputs'])) {
+                        continue;
+                    } else {
+                        $paramsLen = $argsLen - 1;
+                    }
+                }
+                try {
+                    $params = array_splice($arguments, 0, $paramsLen);
+                    $data = $this->ethabi->encodeParameters($function, $params);
+                    $functionName = Utils::jsonMethodToString($function);
+                } catch (InvalidArgumentException $e) {
+                    continue;
+                }
+                break;
+            }
+            if (empty($data) || empty($functionName)) {
+                throw new InvalidArgumentException('Please make sure you have put all function params and callback.');
+            }
+            $functionSignature = $this->ethabi->encodeFunctionSignature($functionName);
             $transaction['to'] = $this->toAddress;
             $transaction['data'] = $functionSignature . Utils::stripZero($data);
 
@@ -497,26 +546,75 @@ class Contract
             $method = array_splice($arguments, 0, 1)[0];
             $callback = array_pop($arguments);
 
-            if (!is_string($method) || !isset($this->functions[$method])) {
+            if (!is_string($method)) {
-                throw new InvalidArgumentException('Please make sure the method exists.');
+                throw new InvalidArgumentException('Please make sure the method is string.');
             }
-            $function = $this->functions[$method];
 
-            if (count($arguments) < count($function['inputs'])) {
+            $functions = [];
-                throw new InvalidArgumentException('Please make sure you have put all function params and callback.');
+            foreach ($this->functions as $function) {
+                if ($function["name"] === $method) {
+                    $functions[] = $function;
+                }
+            };
+            if (count($functions) < 1) {
+                throw new InvalidArgumentException('Please make sure the method exists.');
             }
             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) {
+            // check the last one in arguments is transaction object
-                $transaction = $arguments[0];
+            $argsLen = count($arguments);
+            $transaction = [];
+            $hasTransaction = false;
+
+            if ($argsLen > 0) {
+                $transaction = $arguments[$argsLen - 1];
             }
+            if (
+                isset($transaction["from"]) ||
+                isset($transaction["to"]) ||
+                isset($transaction["gas"]) ||
+                isset($transaction["gasPrice"]) ||
+                isset($transaction["value"]) ||
+                isset($transaction["data"]) ||
+                isset($transaction["nonce"])
+            ) {
+                $hasTransaction = true;
+            } else {
+                $transaction = [];
+            }
+
+            $params = [];
+            $data = "";
+            $functionName = "";
+            foreach ($functions as $function) {
+                if ($hasTransaction) {
+                    if ($argsLen - 1 !== count($function['inputs'])) {
+                        continue;
+                    } else {
+                        $paramsLen = $argsLen - 1;
+                    }
+                } else {
+                    if ($argsLen !== count($function['inputs'])) {
+                        continue;
+                    } else {
+                        $paramsLen = $argsLen - 1;
+                    }
+                }
+                try {
+                    $params = array_splice($arguments, 0, $paramsLen);
+                    $data = $this->ethabi->encodeParameters($function, $params);
+                    $functionName = Utils::jsonMethodToString($function);
+                } catch (InvalidArgumentException $e) {
+                    continue;
+                }
+                break;
+            }
+            if (empty($data) || empty($functionName)) {
+                throw new InvalidArgumentException('Please make sure you have put all function params and callback.');
+            }
+            $functionSignature = $this->ethabi->encodeFunctionSignature($functionName);
             $transaction['to'] = $this->toAddress;
             $transaction['data'] = $functionSignature . Utils::stripZero($data);
 
@@ -567,26 +665,75 @@ class Contract
             } else {
                 $method = array_splice($arguments, 0, 1)[0];
 
-                if (!is_string($method) && !isset($this->functions[$method])) {
+                if (!is_string($method)) {
-                    throw new InvalidArgumentException('Please make sure the method is existed.');
+                    throw new InvalidArgumentException('Please make sure the method is string.');
                 }
-                $function = $this->functions[$method];
+    
-
+                $functions = [];
-                if (count($arguments) < count($function['inputs'])) {
+                foreach ($this->functions as $function) {
-                    throw new InvalidArgumentException('Please make sure you have put all function params and callback.');
+                    if ($function["name"] === $method) {
+                        $functions[] = $function;
+                    }
+                };
+                if (count($functions) < 1) {
+                    throw new InvalidArgumentException('Please make sure the method exists.');
                 }
                 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);
+                // check the last one in arguments is transaction object
-                $functionName = Utils::jsonMethodToString($function);
+                $argsLen = count($arguments);
-                $functionSignature = $this->ethabi->encodeFunctionSignature($functionName);
                 $transaction = [];
+                $hasTransaction = false;
 
-                if (count($arguments) > 0) {
+                if ($argsLen > 0) {
-                    $transaction = $arguments[0];
+                    $transaction = $arguments[$argsLen - 1];
                 }
+                if (
+                    isset($transaction["from"]) ||
+                    isset($transaction["to"]) ||
+                    isset($transaction["gas"]) ||
+                    isset($transaction["gasPrice"]) ||
+                    isset($transaction["value"]) ||
+                    isset($transaction["data"]) ||
+                    isset($transaction["nonce"])
+                ) {
+                    $hasTransaction = true;
+                } else {
+                    $transaction = [];
+                }
+
+                $params = [];
+                $data = "";
+                $functionName = "";
+                foreach ($functions as $function) {
+                    if ($hasTransaction) {
+                        if ($argsLen - 1 !== count($function['inputs'])) {
+                            continue;
+                        } else {
+                            $paramsLen = $argsLen - 1;
+                        }
+                    } else {
+                        if ($argsLen !== count($function['inputs'])) {
+                            continue;
+                        } else {
+                            $paramsLen = $argsLen - 1;
+                        }
+                    }
+                    try {
+                        $params = array_splice($arguments, 0, $paramsLen);
+                        $data = $this->ethabi->encodeParameters($function, $params);
+                        $functionName = Utils::jsonMethodToString($function);
+                    } catch (InvalidArgumentException $e) {
+                        continue;
+                    }
+                    break;
+                }
+                if (empty($data) || empty($functionName)) {
+                    throw new InvalidArgumentException('Please make sure you have put all function params and callback.');
+                }
+                $functionSignature = $this->ethabi->encodeFunctionSignature($functionName);
                 $transaction['to'] = $this->toAddress;
                 $transaction['data'] = $functionSignature . Utils::stripZero($data);
             }
@@ -632,17 +779,38 @@ class Contract
             } else {
                 $method = array_splice($arguments, 0, 1)[0];
 
-                if (!is_string($method) && !isset($this->functions[$method])) {
+                if (!is_string($method)) {
-                    throw new InvalidArgumentException('Please make sure the method is existed.');
+                    throw new InvalidArgumentException('Please make sure the method is string.');
                 }
-                $function = $this->functions[$method];
+    
-
+                $functions = [];
-                if (count($arguments) < count($function['inputs'])) {
+                foreach ($this->functions as $function) {
+                    if ($function["name"] === $method) {
+                        $functions[] = $function;
+                    }
+                };
+                if (count($functions) < 1) {
+                    throw new InvalidArgumentException('Please make sure the method exists.');
+                }
+    
+                $params = $arguments;
+                $data = "";
+                $functionName = "";
+                foreach ($functions as $function) {
+                    if (count($arguments) !== count($function['inputs'])) {
+                        continue;
+                    }
+                    try {
+                        $data = $this->ethabi->encodeParameters($function, $params);
+                        $functionName = Utils::jsonMethodToString($function);
+                    } catch (InvalidArgumentException $e) {
+                        continue;
+                    }
+                    break;
+                }
+                if (empty($data) || empty($functionName)) {
                     throw new InvalidArgumentException('Please make sure you have put all function params and callback.');
                 }
-                $params = array_splice($arguments, 0, count($function['inputs']));
-                $data = $this->ethabi->encodeParameters($function, $params);
-                $functionName = Utils::jsonMethodToString($function);
                 $functionSignature = $this->ethabi->encodeFunctionSignature($functionName);
                 $functionData = Utils::stripZero($functionSignature) . Utils::stripZero($data);
             }

src/Contracts/Ethabi.php

@@ -100,6 +100,7 @@ class Ethabi
 
     /**
      * encodeEventSignature
+     * TODO: Fix same event name with different params
      * 
      * @param string|stdClass|array $functionName
      * @return string

test/unit/ContractTest.php

@@ -491,7 +491,7 @@ class ContractTest extends TestCase
                 }
                 if ($transaction) {
                     $this->contractAddress = $transaction->contractAddress;
-                    echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
                 }
             });
         });
@@ -535,7 +535,7 @@ class ContractTest extends TestCase
                 }
                 if ($transaction) {
                     $this->contractAddress = $transaction->contractAddress;
-                    echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
                 }
             });
         });
@@ -562,7 +562,7 @@ class ContractTest extends TestCase
                 }
                 if ($transaction) {
                     $topics = $transaction->logs[0]->topics;
-                    echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
 
                     // validate topics
                     $this->assertEquals($contract->ethabi->encodeEventSignature($this->contract->events['Transfer']), $topics[0]);
@@ -611,7 +611,7 @@ class ContractTest extends TestCase
                 }
                 if ($transaction) {
                     $this->contractAddress = $transaction->contractAddress;
-                    echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
                 }
             });
         });
@@ -671,7 +671,7 @@ class ContractTest extends TestCase
                 }
                 if ($transaction) {
                     $this->contractAddress = $transaction->contractAddress;
-                    echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
                 }
             });
         });
@@ -744,7 +744,7 @@ class ContractTest extends TestCase
                 }
                 if ($transaction) {
                     $this->contractAddress = $transaction->contractAddress;
-                    echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
                 }
             });
         });
@@ -802,7 +802,7 @@ class ContractTest extends TestCase
                 }
                 if ($transaction) {
                     $this->contractAddress = $transaction->contractAddress;
-                    echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
                 }
             });
         });
@@ -831,7 +831,7 @@ class ContractTest extends TestCase
                 }
                 if ($transaction) {
                     $topics = $transaction->logs[0]->topics;
-                    echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
 
                     // validate topics
                     $this->assertEquals($contract->ethabi->encodeEventSignature($this->contract->events['AddUser']), $topics[0]);
@@ -1116,14 +1116,14 @@ class ContractTest extends TestCase
                 }
                 if ($transaction) {
                     $contractAddress = $transaction->contractAddress;
-                    echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
                 }
             });
         });
         $contract->at($contractAddress);
 
         foreach ($functions as $function) {
-            $contract->call($function['name'], [], function ($err, $res) use ($function) {
+            $contract->call($function['name'], function ($err, $res) use ($function) {
                 if ($err !== null) {
                     echo 'Error when call ' . $function['name'] . '. Message: ' . $err->getMessage() . "\n";
                     return;
@@ -1215,13 +1215,13 @@ class ContractTest extends TestCase
                 }
                 if ($transaction) {
                     $contractAddress = $transaction->contractAddress;
-                    echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
                 }
             });
         });
         $contract->at($contractAddress);
 
-        $contract->call('data', [], function ($err, $res) {
+        $contract->call('data', function ($err, $res) {
             if ($err !== null) {
                 echo 'Error when call ' . $function['name'] . '. Message: ' . $err->getMessage() . "\n";
                 return;
@@ -1251,7 +1251,7 @@ class ContractTest extends TestCase
             });
         });
 
-        $contract->call('data', [], function ($err, $res) {
+        $contract->call('data', function ($err, $res) {
             if ($err !== null) {
                 echo 'Error when call ' . $function['name'] . '. Message: ' . $err->getMessage() . "\n";
                 return;
@@ -1259,4 +1259,239 @@ class ContractTest extends TestCase
             $this->assertEquals('0x44aec9b900000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000021000000000000000000000000000000000000000000000000000000000000000b', $res[0]);
         });
     }
+
+    /**
+     * testIssue134
+     * 
+     * @return void
+     */
+    public function testIssue134()
+    {
+        $bytecode = '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';
+        $abi = '[
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "data",
+                "outputs": [
+                    {
+                        "name": "",
+                        "type": "bytes"
+                    }
+                ],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "number",
+                "outputs": [
+                    {
+                        "name": "",
+                        "type": "uint256"
+                    }
+                ],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "name": "_number",
+                        "type": "uint256"
+                    },
+                    {
+                        "name": "_data",
+                        "type": "bytes"
+                    }
+                ],
+                "name": "say",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "name": "_number",
+                        "type": "uint256"
+                    }
+                ],
+                "name": "say",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "anonymous": false,
+                "inputs": [
+                    {
+                        "indexed": true,
+                        "name": "_number",
+                        "type": "uint256"
+                    }
+                ],
+                "name": "Say",
+                "type": "event"
+            },
+            {
+                "anonymous": false,
+                "inputs": [
+                    {
+                        "indexed": true,
+                        "name": "_number",
+                        "type": "uint256"
+                    },
+                    {
+                        "indexed": true,
+                        "name": "_data",
+                        "type": "bytes"
+                    }
+                ],
+                "name": "Say",
+                "type": "event"
+            }
+        ]';
+        $testNumber = 16;
+        $testData = "0x01234";
+        $contractAddress = "";
+        $contract = new Contract($this->web3->provider, $abi);
+
+        if (!isset($this->accounts[0])) {
+            $account = '0x407d73d8a49eeb85d32cf465507dd71d507100c1';
+        } else {
+            $account = $this->accounts[0];
+        }
+        $contract = new Contract($this->web3->provider, $abi);
+        $contract->bytecode($bytecode)->new([
+            'from' => $account,
+            'gas' => '0x200b20'
+        ], function ($err, $result) use ($contract, &$contractAddress) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            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, $transaction) use (&$contractAddress) {
+                if ($err !== null) {
+                    return $this->fail($err);
+                }
+                if ($transaction) {
+                    $contractAddress = $transaction->contractAddress;
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
+                }
+            });
+        });
+        $contract->at($contractAddress);
+
+        // test for send transaction and get data
+        $contract->send('say', $testNumber, $testData, [
+            'from' => $account,
+            'gas' => '0x200b20'
+        ], function ($err, $result) use ($contract, $testNumber, $testData) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            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, $transaction) use ($testNumber, $testData, $contract) {
+                if ($err !== null) {
+                    return $this->fail($err);
+                }
+                if ($transaction) {
+                    $topics = $transaction->logs[0]->topics;
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
+
+                    // validate topics
+                    $this->assertEquals($contract->ethabi->encodeEventSignature($contract->events['Say']), $topics[0]);
+                    $this->assertEquals('0x' . IntegerFormatter::format($testNumber), $topics[1], $topics[2]);
+                }
+                $contract->call('number', function ($err, $res) use ($testNumber) {
+                    if ($err !== null) {
+                        echo 'Error when call ' . $function['name'] . '. Message: ' . $err->getMessage() . "\n";
+                        return;
+                    }
+                    $this->assertEquals((string) $testNumber, $res[0]->toString());
+                });
+            });
+        });
+        $testNumber++;
+
+        $contract->send('say', $testNumber, [
+            'from' => $account,
+            'gas' => '0x200b20'
+        ], function ($err, $result) use ($contract, $testNumber) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            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, $transaction) use ($testNumber, $contract) {
+                if ($err !== null) {
+                    return $this->fail($err);
+                }
+                if ($transaction) {
+                    $topics = $transaction->logs[0]->topics;
+                    echo "\nTransaction has mined:) block number: " . $transaction->blockNumber . "\n";
+
+                    // validate topics
+                    // $this->assertEquals($contract->ethabi->encodeEventSignature($contract->events['Say']), $topics[0]);
+                    $this->assertEquals('0x' . IntegerFormatter::format($testNumber), $topics[1]);
+                }
+                $contract->call('number', function ($err, $res) use ($testNumber) {
+                    if ($err !== null) {
+                        echo 'Error when call ' . $function['name'] . '. Message: ' . $err->getMessage() . "\n";
+                        return;
+                    }
+                    $this->assertEquals((string) $testNumber, $res[0]->toString());
+                });
+            });
+        });
+
+        // test for estimate gas
+        $contract->estimateGas("say", $testNumber, $testData, [
+            'from' => $account,
+            'gas' => '0x200b20'
+        ], function ($err, $result) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($result)) {
+                echo "\nEstimate gas: " . $result->toString() . "\n";
+                $this->assertTrue($result !== null);
+            }
+        });
+
+        $contract->estimateGas("say", $testNumber, [
+            'from' => $account,
+            'gas' => '0x200b20'
+        ], function ($err, $result) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($result)) {
+                echo "\nEstimate gas: " . $result->toString() . "\n";
+                $this->assertTrue($result !== null);
+            }
+        });
+    }
 }