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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * User: delboy1978uk  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Date: 18/08/15  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Time: 19:58  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Del\Bitcoin\Api;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Utility extends AbstractApi  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * The createmultisig RPC creates a P2SH multi-signature address.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param int $num The minimum (m) number of signatures required to  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * spend this m-of-n multisig script  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param array $keys An array of strings with each string being a  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * public key or address  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * A public key against which signatures will be checked. If wallet  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * support is enabled, this may be a P2PKH address belonging to the  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * wallet—the corresponding public key will be substituted. There must  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * be at least as many keys as specified by the Required parameter,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * and there may be more keys  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return mixed  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function createMultiSig($num,$keys)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->send('createmultisig',[$num,$keys]); | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * The estimatefee RPC estimates the transaction fee per kilobyte  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * that needs to be paid for a transaction to be included within  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * a certain number of blocks.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param int $blocks The maximum number of blocks a transaction  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * should have to wait before it is predicted to be included  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * in a block  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return mixed  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function estimateFee($blocks)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->send('estimatefee',[$blocks]); | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * The estimatepriority RPC estimates the priority that a transaction  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * needs in order to be included within a certain number of blocks as  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * a free high-priority transaction.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param int $blocks  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return mixed  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function estimatePriority($blocks)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->send('estimatepriority',[$blocks]); | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * The validateaddress RPC returns information about  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * the given Bitcoin address.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param string $address The P2PKH or P2SH address to validate  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * encoded in base58check format  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return mixed  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function validateAddress($address)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->send('validateaddress',[$address]); | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * The verifymessage RPC verifies a signed message.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param string $address The P2PKH address corresponding to the private  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * key which made the signature. A P2PKH address is a hash of the public  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * key corresponding to the private key which made the signature. When  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * the ECDSA signature is checked, up to four possible ECDSA public keys  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * will be reconstructed from from the signature; each key will be hashed  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * and compared against the P2PKH address provided to see if any of them  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * match. If there are no matches, signature validation will fail.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param string $signature The signature created by the signer encoded  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * as base-64 (the format output by the signmessage RPC)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param string $message The message exactly as it was signed (e.g. no  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * extra whitespace)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return mixed  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function verifyMessage($address, $signature, $message)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->send('verifymessage',[$address,$signature,$message]); | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  |