| 1 |  |  | var RestClient = require('./rest_client'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | var Wallet = require('./wallet'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | var blocktrail = require('./blocktrail'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | var bitcoinJS = require('bitcoinjs-lib'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | var BtccomConverter = function(network, useNewCashAddr, rawTxHost) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |     this.network = network; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |     this.useNewCashAddr = useNewCashAddr; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |     this.specialRawTxClientOnly = new RestClient({ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |         host: rawTxHost, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |         https: true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |         port: 443, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |         endpoint: "/" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | function getAddressScriptInfo(address, network, useNewCashAddr) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     var addressScriptInfo; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |         addressScriptInfo = bitcoinJS.address.toOutputScript(address, network, useNewCashAddr); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     } catch (e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |         addressScriptInfo = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     return addressScriptInfo; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | function getScriptAsm(chunks) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     var scriptAsm; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |         scriptAsm = bitcoinJS.script.toASM(chunks); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     } catch (e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         scriptAsm = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     return scriptAsm; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | function prettifyAsm(asm) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     if (!asm) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |         return asm; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     return asm.replace(/^0 /, "OP_0 "); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | function getType(script) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     var type; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         type = bitcoinJS.script.classifyOutput(script); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     } catch (e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         type = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     return type; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | function getBase58AddressHash160(address, network, useNewCashAddr) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     var addressInfo; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         addressInfo = Wallet.getAddressAndType(address, network, useNewCashAddr); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     } catch (e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |         return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     if (addressInfo.type === "base58") { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         return addressInfo.decoded.hash; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     } else if (addressInfo.type === "bech32") { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         if (addressInfo.data.length === 20) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |             return addressInfo.decoded.hash; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |         return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     } else if (addressInfo.type === "") { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |         return addressInfo.decoded.hash; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | function convertBtccomOutputScriptType(scriptType) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     switch (scriptType) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         case "P2PKH_PUBKEY": | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |             return "pubkey"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |         case "P2PKH": | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |             return "pubkeyhash"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |         case "P2SH": | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |             return "scripthash"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         case "P2WSH_V0": | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |             return "witnessscripthash"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |         case "P2WPKH": | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |             return "witnesspubkeyhash"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |         case "NULL_DATA": | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |             return "op_return"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |         case "coinbase": | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |             return "coinbase"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |         default: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |             throw new Error("Not implemented yet, script type: " + scriptType); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  | function utcTimestampToISODateStr(time) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     return (new Date(time * 1000)).toISOString().replace(/\.000Z$/, '+0000'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | function flattenAddresses(addrs) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |     if (!addrs) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |         return addrs; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     } else if (addrs.length === 1) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |         return addrs[0]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         return addrs; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  | } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 115 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 116 |  |  | function convertBtccomTxToBlocktrail(tx) { | 
            
                                                                        
                            
            
                                    
            
            
                | 117 |  |  |     /* jshint -W071, -W074 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 118 |  |  |     var data = {}; | 
            
                                                                        
                            
            
                                    
            
            
                | 119 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 120 |  |  |     data.size = tx.vsize; | 
            
                                                                        
                            
            
                                    
            
            
                | 121 |  |  |     data.hash = tx.hash; | 
            
                                                                        
                            
            
                                    
            
            
                | 122 |  |  |     data.block_height = tx.block_height ; | 
            
                                                                        
                            
            
                                    
            
            
                | 123 |  |  |     data.block_time = utcTimestampToISODateStr(tx.block_time); | 
            
                                                                        
                            
            
                                    
            
            
                | 124 |  |  |     data.block_hash = null; // TODO: missing block_hash | 
            
                                                                        
                            
            
                                    
            
            
                | 125 |  |  |     data.confirmations = tx.confirmations; | 
            
                                                                        
                            
            
                                    
            
            
                | 126 |  |  |     data.is_coinbase = tx.is_coinbase; | 
            
                                                                        
                            
            
                                    
            
            
                | 127 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 128 |  |  |     var totalInputValue; | 
            
                                                                        
                            
            
                                    
            
            
                | 129 |  |  |     if (data.is_coinbase) { | 
            
                                                                        
                            
            
                                    
            
            
                | 130 |  |  |         totalInputValue = tx.outputs[0].value - tx.fee; | 
            
                                                                        
                            
            
                                    
            
            
                | 131 |  |  |     } else { | 
            
                                                                        
                            
            
                                    
            
            
                | 132 |  |  |         totalInputValue = tx.inputs_value; | 
            
                                                                        
                            
            
                                    
            
            
                | 133 |  |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 134 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 135 |  |  |     data.total_input_value = totalInputValue; | 
            
                                                                        
                            
            
                                    
            
            
                | 136 |  |  |     data.total_output_value = tx.outputs.reduce(function(total, output) { | 
            
                                                                        
                            
            
                                    
            
            
                | 137 |  |  |         return total + output.value; | 
            
                                                                        
                            
            
                                    
            
            
                | 138 |  |  |     }, 0); | 
            
                                                                        
                            
            
                                    
            
            
                | 139 |  |  |     data.total_fee = tx.fee; | 
            
                                                                        
                            
            
                                    
            
            
                | 140 |  |  |     data.inputs = []; | 
            
                                                                        
                            
            
                                    
            
            
                | 141 |  |  |     data.outputs = []; | 
            
                                                                        
                            
            
                                    
            
            
                | 142 |  |  |     data.opt_in_rbf = false; | 
            
                                                                        
                            
            
                                    
            
            
                | 143 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 144 |  |  |     for (var inputIdx in tx.inputs) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                        
                            
            
                                    
            
            
                | 145 |  |  |         var input = tx.inputs[inputIdx]; | 
            
                                                                        
                            
            
                                    
            
            
                | 146 |  |  |         var scriptType; | 
            
                                                                        
                            
            
                                    
            
            
                | 147 |  |  |         var inputValue; | 
            
                                                                        
                            
            
                                    
            
            
                | 148 |  |  |         var inputTxid; | 
            
                                                                        
                            
            
                                    
            
            
                | 149 |  |  |         var outpointIdx; | 
            
                                                                        
                            
            
                                    
            
            
                | 150 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 151 |  |  |         if (input.sequence < bitcoinJS.Transaction.DEFAULT_SEQUENCE - 1) { | 
            
                                                                        
                            
            
                                    
            
            
                | 152 |  |  |             data.opt_in_rbf = true; | 
            
                                                                        
                            
            
                                    
            
            
                | 153 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 155 |  |  |         if (data.is_coinbase && input.prev_position === -1 && | 
            
                                                                        
                            
            
                                    
            
            
                | 156 |  |  |             input.prev_tx_hash === "0000000000000000000000000000000000000000000000000000000000000000") { | 
            
                                                                        
                            
            
                                    
            
            
                | 157 |  |  |             scriptType = "coinbase"; | 
            
                                                                        
                            
            
                                    
            
            
                | 158 |  |  |             inputTxid = null; | 
            
                                                                        
                            
            
                                    
            
            
                | 159 |  |  |             inputValue = totalInputValue; | 
            
                                                                        
                            
            
                                    
            
            
                | 160 |  |  |             outpointIdx = 0xffffffff; | 
            
                                                                        
                            
            
                                    
            
            
                | 161 |  |  |         } else { | 
            
                                                                        
                            
            
                                    
            
            
                | 162 |  |  |             scriptType = input.prev_type; | 
            
                                                                        
                            
            
                                    
            
            
                | 163 |  |  |             inputValue = input.prev_value; | 
            
                                                                        
                            
            
                                    
            
            
                | 164 |  |  |             inputTxid = input.prev_tx_hash; | 
            
                                                                        
                            
            
                                    
            
            
                | 165 |  |  |             outpointIdx = input.prev_position; | 
            
                                                                        
                            
            
                                    
            
            
                | 166 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 167 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 168 |  |  |         data.inputs.push({ | 
            
                                                                        
                            
            
                                    
            
            
                | 169 |  |  |             index: parseInt(inputIdx, 10), | 
            
                                                                        
                            
            
                                    
            
            
                | 170 |  |  |             output_hash: inputTxid, | 
            
                                                                        
                            
            
                                    
            
            
                | 171 |  |  |             output_index: outpointIdx, | 
            
                                                                        
                            
            
                                    
            
            
                | 172 |  |  |             value: inputValue, | 
            
                                                                        
                            
            
                                    
            
            
                | 173 |  |  |             sequence: input.sequence, | 
            
                                                                        
                            
            
                                    
            
            
                | 174 |  |  |             address: flattenAddresses(input.prev_addresses), | 
            
                                                                        
                            
            
                                    
            
            
                | 175 |  |  |             type: convertBtccomOutputScriptType(scriptType), | 
            
                                                                        
                            
            
                                    
            
            
                | 176 |  |  |             script_signature: input.script_hex | 
            
                                                                        
                            
            
                                    
            
            
                | 177 |  |  |         }); | 
            
                                                                        
                            
            
                                    
            
            
                | 178 |  |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 179 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 180 |  |  |     for (var outIdx in tx.outputs) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                        
                            
            
                                    
            
            
                | 181 |  |  |         var output = tx.outputs[outIdx]; | 
            
                                                                        
                            
            
                                    
            
            
                | 182 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 183 |  |  |         data.outputs.push({ | 
            
                                                                        
                            
            
                                    
            
            
                | 184 |  |  |             index: parseInt(outIdx, 10), | 
            
                                                                        
                            
            
                                    
            
            
                | 185 |  |  |             value: output.value, | 
            
                                                                        
                            
            
                                    
            
            
                | 186 |  |  |             address: flattenAddresses(output.addresses), | 
            
                                                                        
                            
            
                                    
            
            
                | 187 |  |  |             type: convertBtccomOutputScriptType(output.type), | 
            
                                                                        
                            
            
                                    
            
            
                | 188 |  |  |             script: prettifyAsm(output.script_asm), | 
            
                                                                        
                            
            
                                    
            
            
                | 189 |  |  |             script_hex: output.script_hex, | 
            
                                                                        
                            
            
                                    
            
            
                | 190 |  |  |             spent_hash: output.spent_by_tx, | 
            
                                                                        
                            
            
                                    
            
            
                | 191 |  |  |             spent_index: output.spent_by_tx_position | 
            
                                                                        
                            
            
                                    
            
            
                | 192 |  |  |         }); | 
            
                                                                        
                            
            
                                    
            
            
                | 193 |  |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 194 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 195 |  |  |     data.size = tx.size; | 
            
                                                                        
                            
            
                                    
            
            
                | 196 |  |  |     data.is_double_spend = tx.is_double_spend; | 
            
                                                                        
                            
            
                                    
            
            
                | 197 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 198 |  |  |     data.lock_time_timestamp = null; | 
            
                                                                        
                            
            
                                    
            
            
                | 199 |  |  |     data.lock_time_block_height = null; | 
            
                                                                        
                            
            
                                    
            
            
                | 200 |  |  |     if (tx.lock_time) { | 
            
                                                                        
                            
            
                                    
            
            
                | 201 |  |  |         if (tx.lock_time < blocktrail.LOCK_TIME_TIMESTAMP_THRESHOLD) { | 
            
                                                                        
                            
            
                                    
            
            
                | 202 |  |  |             data.lock_time_block_height = tx.lock_time; | 
            
                                                                        
                            
            
                                    
            
            
                | 203 |  |  |         } else { | 
            
                                                                        
                            
            
                                    
            
            
                | 204 |  |  |             data.lock_time_timestamp = tx.lock_time; | 
            
                                                                        
                            
            
                                    
            
            
                | 205 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 206 |  |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 207 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 208 |  |  |     // Extra fields from Btc.com | 
            
                                                                        
                            
            
                                    
            
            
                | 209 |  |  |     data.is_sw_tx = tx.is_sw_tx; | 
            
                                                                        
                            
            
                                    
            
            
                | 210 |  |  |     data.weight = tx.weight; | 
            
                                                                        
                            
            
                                    
            
            
                | 211 |  |  |     data.witness_hash = tx.witness_hash; | 
            
                                                                        
                            
            
                                    
            
            
                | 212 |  |  |     data.lock_time  = tx.lock_time; | 
            
                                                                        
                            
            
                                    
            
            
                | 213 |  |  |     data.sigops = tx.sigops; | 
            
                                                                        
                            
            
                                    
            
            
                | 214 |  |  |     data.version = tx.version; | 
            
                                                                        
                            
            
                                    
            
            
                | 215 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 216 |  |  |     return data; | 
            
                                                                        
                            
            
                                    
            
            
                | 217 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  | BtccomConverter.prototype.paginationParams = function(params) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |     if (!params) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |         return params; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |     if (typeof params.limit !== "undefined") { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |         params.pagesize = params.limit; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |         delete params.limit; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |     return params; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  | BtccomConverter.prototype.getUrlForBlock = function(blockHash) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |     return "/block/" + blockHash; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  | BtccomConverter.prototype.getUrlForTransaction = function(txId) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |     return "/tx/" + txId + "?verbose=3"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  | BtccomConverter.prototype.getUrlForTransactions = function(txIds) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |     return "/tx/" + txIds.join(",") + "?verbose=3"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  | BtccomConverter.prototype.getUrlForBlockTransaction = function(blockHash) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |     return "/block/" + blockHash + "/tx"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  | BtccomConverter.prototype.getUrlForAddress = function(address) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |     return "/address/" + address; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  | BtccomConverter.prototype.getUrlForAddressTransactions = function(address) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |     return "/address/" + address + "/tx?verbose=3"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  | BtccomConverter.prototype.getUrlForAddressUnspent = function(address) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |     return "/address/" + address + "/unspent"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  | BtccomConverter.prototype.getUrlForAllBlocks = function() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |     return "/all-blocks"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  | BtccomConverter.prototype.handleErros = function(self, data) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  |     if (data.err_no === 0 || data.data !== null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |         return data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |     } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |         return { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |             err_no: data.err_no, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |             err_msg: data.err_msg, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |             data: data.data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  | BtccomConverter.prototype.convertBlock = function(oldData) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |     var data = { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  |         hash: oldData.data.hash, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  |         version: oldData.data.version, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |         height: oldData.data.height, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  |         block_time: utcTimestampToISODateStr(oldData.data.timestamp), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |         arrival_time: utcTimestampToISODateStr(oldData.data.timestamp), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |         bits: oldData.data.bits, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |         nonce: oldData.data.nonce, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  |         merkleroot: oldData.data.mrkl_root, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |         prev_block: oldData.data.prev_block_hash, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |         next_block: oldData.data.next_block_hash, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  |         byte_size: oldData.data.stripped_size, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  |         difficulty: Math.floor(oldData.data.difficulty), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |         transactions: oldData.data.tx_count, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  |         reward_block: oldData.data.reward_block, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  |         reward_fees: oldData.data.reward_fees, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  |         created_at: oldData.data.created_at, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  |         confirmations: oldData.data.confirmations, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  |         is_orphan: oldData.data.is_orphan, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  |         is_sw_block: oldData.data.is_sw_block, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  |         weight: oldData.data.weight, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  |         miningpool_name: oldData.data.miningpool_name || null, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  |         miningpool_url: oldData.data.miningpool_url || null, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  |         miningpool_slug: oldData.data.miningpool_slug || null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  |     }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |     return data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  | BtccomConverter.prototype.convertBlockTxs = function(oldData) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |     var list = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  |     oldData.data.list.forEach(function(oldTx) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  |         var resTx = convertBtccomTxToBlocktrail(oldTx); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  |         list.push(resTx); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  |     }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  |     return { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 |  |  |         data: list, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  |         current_page: oldData.data.page, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  |         per_page: oldData.data.pagesize, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 |  |  |         total: oldData.data.total_count | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 |  |  |     }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 |  |  | BtccomConverter.prototype.convertTx = function(oldData, rawTx) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 |  |  |     var data = convertBtccomTxToBlocktrail(oldData.data); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 |  |  |     data.raw = rawTx; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  |     return data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  | BtccomConverter.prototype.convertTxs = function(oldData) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 |  |  |     var res = {}; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  |     oldData.data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  |         .filter(function(tx) { return !!tx; }) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  |         .forEach(function(oldTx) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  |             var tx = convertBtccomTxToBlocktrail(oldTx); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  |             res[tx.hash] = tx; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 |  |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 340 |  |  |     return {data: res}; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 341 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 342 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 343 |  |  | BtccomConverter.prototype.convertAddressTxs = function(oldData) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 344 |  |  |     var data = oldData.data.list.map(function(tx) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 345 |  |  |         var res = {}; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 346 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 347 |  |  |         res.hash = tx.hash; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 348 |  |  |         res.time = utcTimestampToISODateStr(tx.block_time); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 349 |  |  |         res.confirmations = tx.confirmations; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 350 |  |  |         res.block_height = tx.block_height; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 351 |  |  |         res.block_hash = null; // @TODO: missing block_hash | 
            
                                                                                                            
                            
            
                                    
            
            
                | 352 |  |  |         res.is_coinbase = tx.is_coinbase; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 353 |  |  |         res.total_input_value = tx.inputs_value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 354 |  |  |         res.total_output_value = tx.outputs_value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 355 |  |  |         res.total_fee = tx.fee; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 356 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 357 |  |  |         res.inputs = tx.inputs.map(function(input, inIdx) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 358 |  |  |             return { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 359 |  |  |                 index: inIdx, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 360 |  |  |                 output_hash: input.prev_tx_hash, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 361 |  |  |                 output_index: input.prev_position, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 362 |  |  |                 value: input.prev_value, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 363 |  |  |                 address: flattenAddresses(input.prev_addresses), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 364 |  |  |                 type:  res.is_coinbase ? res.is_coinbase : convertBtccomOutputScriptType(input.prev_type), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 365 |  |  |                 script_signature: input.script_hex | 
            
                                                                                                            
                            
            
                                    
            
            
                | 366 |  |  |             }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 367 |  |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 368 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 369 |  |  |         res.outputs = tx.outputs.map(function(output, outIdx) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 370 |  |  |             return { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 371 |  |  |                 index: outIdx, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 372 |  |  |                 value: output.value, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 373 |  |  |                 address: flattenAddresses(output.addresses), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 374 |  |  |                 type: convertBtccomOutputScriptType(output.type), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 375 |  |  |                 script: prettifyAsm(output.script_asm), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 376 |  |  |                 spent_hash: output.spent_by_tx || null, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 377 |  |  |                 script_hex: output.script_hex, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 378 |  |  |                 spent_index: output.spent_by_tx_position | 
            
                                                                                                            
                            
            
                                    
            
            
                | 379 |  |  |             }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 380 |  |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 381 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 382 |  |  |         // Extra fields from Btc.com | 
            
                                                                                                            
                            
            
                                    
            
            
                | 383 |  |  |         res.is_double_spend = tx.is_double_spend; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 384 |  |  |         res.is_sw_tx = tx.is_sw_tx; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 385 |  |  |         res.weight = tx.weight; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 386 |  |  |         res.witness_hash = tx.witness_hash; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 387 |  |  |         res.version = tx.version; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 388 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 389 |  |  |         return res; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 390 |  |  |     }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 391 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 392 |  |  |     return { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 393 |  |  |         data: data, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 394 |  |  |         current_page: oldData.data.page, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 395 |  |  |         per_page: oldData.data.pagesize, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 396 |  |  |         total: oldData.data.total_count | 
            
                                                                                                            
                            
            
                                    
            
            
                | 397 |  |  |     }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 398 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 399 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 400 |  |  | BtccomConverter.prototype.convertAddress = function(oldData) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 401 |  |  |     var data = {}; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 402 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 403 |  |  |     data.address = oldData.data.address; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 404 |  |  |     data.hash160 = getBase58AddressHash160(oldData.data.address, this.network, this.useNewCashAddr).toString("hex").toUpperCase(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 405 |  |  |     data.balance = oldData.data.balance; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 406 |  |  |     data.received = oldData.data.received; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 407 |  |  |     data.sent = oldData.data.sent; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 408 |  |  |     data.transactions = oldData.data.tx_count; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 409 |  |  |     data.utxos = oldData.data.unspent_tx_count; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 410 |  |  |     data.unconfirmed_received = oldData.data.unconfirmed_received; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 411 |  |  |     data.unconfirmed_sent = oldData.data.unconfirmed_sent; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 412 |  |  |     data.unconfirmed_transactions = oldData.data.unconfirmed_tx_count; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 413 |  |  |     data.first_tx = oldData.data.first_tx; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 414 |  |  |     data.last_tx = oldData.data.last_tx; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 415 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 416 |  |  |     return data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 417 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 418 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 419 |  |  | BtccomConverter.prototype.convertAddressUnspentOutputs = function(oldData, address) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 420 |  |  |     var script = getAddressScriptInfo(address, this.network, this.useNewCashAddr); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 421 |  |  |     var script_hex = script.toString("hex"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 422 |  |  |     var script_asm = getScriptAsm(script); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 423 |  |  |     var type = getType(script); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 424 |  |  |     var data = oldData.data.list.map(function(utxo) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 425 |  |  |         return { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 426 |  |  |             hash: utxo.tx_hash, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 427 |  |  |             confirmations: utxo.confirmations, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 428 |  |  |             value: utxo.value, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 429 |  |  |             index: utxo.tx_output_n, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 430 |  |  |             address: address, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 431 |  |  |             type: type, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 432 |  |  |             script: script_asm, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 433 |  |  |             script_hex: script_hex | 
            
                                                                                                            
                            
            
                                    
            
            
                | 434 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 435 |  |  |     }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 436 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 437 |  |  |     return { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 438 |  |  |         data: data, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 439 |  |  |         current_page: oldData.data.page, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 440 |  |  |         total: oldData.data.total_count | 
            
                                                                                                            
                            
            
                                    
            
            
                | 441 |  |  |     }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 442 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 443 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 444 |  |  | exports = module.exports = BtccomConverter; | 
            
                                                        
            
                                    
            
            
                | 445 |  |  |  | 
            
                        
When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically: