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1
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var RestClient = require('./rest_client'); |
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2
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var Wallet = require('./wallet'); |
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3
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var bitcoinJS = require('bitcoinjs-lib'); |
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4
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5
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var BtccomConverter = function(network, useNewCashAddr) { |
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6
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this.network = network; |
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7
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this.useNewCashAddr = useNewCashAddr; |
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8
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9
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this.specialRawTxClientOnly = new RestClient({ |
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10
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host: "btc.com", |
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11
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https: true, |
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12
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port: 443, |
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13
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endpoint: "/" |
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14
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}); |
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15
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this.btccomApiClient = new RestClient({ |
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16
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host: "chain.api.btc.com", |
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17
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https: true, |
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18
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port: 443, |
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19
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endpoint: "/v3" |
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20
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}); |
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21
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}; |
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22
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23
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function getAddressScriptInfo(address, network, useNewCashAddr) { |
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24
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try { |
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25
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var addressScriptInfo = bitcoinJS.address.toOutputScript(address, network, useNewCashAddr); |
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26
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} catch (e) { |
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27
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addressScriptInfo = null; |
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28
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} |
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29
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return addressScriptInfo; |
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30
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} |
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31
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32
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function getScriptAsm(chunks) { |
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33
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34
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try { |
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35
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var scriptAsm = bitcoinJS.script.toASM(chunks); |
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36
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} catch (e) { |
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37
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scriptAsm = null; |
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38
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} |
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39
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return scriptAsm; |
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40
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} |
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41
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42
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function getType(script) { |
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43
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try { |
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44
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var type = bitcoinJS.script.classifyOutput(script); |
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45
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} catch (e) { |
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46
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type = null; |
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47
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} |
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48
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return type; |
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49
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} |
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50
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51
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function getBase58AddressHash160(address, network, useNewCashAddr) { |
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52
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try { |
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53
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var addressInfo = Wallet.getAddressAndType(address, network, useNewCashAddr); |
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54
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} catch (e) { |
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55
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console.log(e); |
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56
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return null; |
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57
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} |
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58
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59
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if (addressInfo.type == "base58") { |
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60
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return addressInfo.decoded.hash; |
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61
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} else if (addressInfo.type == "bech32") { |
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62
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if (addressInfo.data.length == 20) { |
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63
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return addressInfo.decoded.hash; |
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64
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} |
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65
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return null; |
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66
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} else if (addressInfo.type == "") { |
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67
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return addressInfo.decoded.hash; |
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68
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} |
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69
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} |
|
70
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71
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var utcTimestampToISODateStr = function(time) { |
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72
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new Date |
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73
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return (new Date(time)).toISOString(); |
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74
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}; |
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75
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76
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BtccomConverter.prototype.getUrlForBlock = function(blockHash) { |
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77
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return "/block/" + blockHash; |
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78
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}; |
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79
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80
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BtccomConverter.prototype.getUrlForTransaction = function(txId) { |
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81
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return "/tx/" + txId + "?verbose=3" |
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82
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}; |
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83
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84
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BtccomConverter.prototype.getUrlForBlockTransaction = function(blockHash) { |
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85
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return "/block/" + blockHash + "/tx" |
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86
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}; |
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87
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88
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BtccomConverter.prototype.getUrlForAddress = function(address) { |
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89
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return "/address/" + address; |
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90
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}; |
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91
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|
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92
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BtccomConverter.prototype.getUrlForAddressTransactions = function(address) { |
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93
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return "/address/" + address + "/tx?verbose=3"; |
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94
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}; |
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95
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|
|
96
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BtccomConverter.prototype.getUrlForAddressUnspent = function(address) { |
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97
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return "/address/" + address + "/unspent"; |
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98
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}; |
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99
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|
100
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BtccomConverter.prototype.getUrlForAllblocks = function() { |
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101
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return "/all-blocks"; |
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102
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}; |
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103
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104
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105
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BtccomConverter.prototype.convertBlock = function(oldData) { |
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106
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var data = {}; |
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107
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data.hash = oldData.data.hash; |
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108
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data.version = oldData.data.version; |
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109
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data.height = oldData.data.height; |
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110
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data.block_time = utcTimestampToISODateStr(oldData.data.timestamp); |
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111
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data.arrival_time = utcTimestampToISODateStr(oldData.data.timestamp); |
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112
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data.bits = oldData.data.bits; |
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113
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data.nonce = oldData.data.nonce; |
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114
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data.merkleroot = oldData.data.mrkl_root; |
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115
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data.prev_block = oldData.data.prev_block_hash; |
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116
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data.next_block = oldData.data.next_block_hash ; |
|
117
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data.byte_size = oldData.data.size; |
|
118
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data.difficulty = oldData.data.pool_difficulty; //todo is there a replacement? kill this off for now |
|
119
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data.transactions = oldData.data.tx_count; |
|
120
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data.reward_block = oldData.data.reward_block; |
|
121
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data.reward_fees = oldData.data.reward_fees; |
|
122
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data.created_at = oldData.data.created_at; |
|
123
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data.confirmations = oldData.data.confirmations; |
|
124
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data.is_orphan = oldData.data.is_orphan ; |
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125
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data.is_sw_block = oldData.data.is_sw_block; |
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126
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data.byte_size = oldData.data.stripped_size; |
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127
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data.weight = oldData.data.weight; |
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128
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data.miningpool_name = oldData.data.miningpool_name ? oldData.data.miningpool_name : null; |
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129
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data.miningpool_url = oldData.data.miningpool_url ? oldData.data.miningpool_url : null; |
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130
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data.miningpool_slug = oldData.data.miningpool_slug ? oldData.data.miningpool_slug : null; |
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131
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|
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|
|
132
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return data; |
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133
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}; |
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134
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|
135
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136
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BtccomConverter.prototype.convertBlockTx = function(oldData) { |
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137
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|
138
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var list = []; |
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139
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oldData.data.list.forEach(function(j1) { |
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140
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var j = convertBtccomTxToBlocktrail(j1); |
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141
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142
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list.push(j); |
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143
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}); |
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144
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return { |
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145
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data: list, |
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146
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current_page: oldData.data.page, |
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147
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per_page: oldData.data.pagesize, |
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148
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total: oldData.data.total_count |
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149
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}; |
|
150
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}; |
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151
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|
152
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|
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function convertBtccomTxToBlocktrail(tx) { |
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153
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var data = {}; |
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154
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155
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data.size = tx.vsize; |
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156
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data.hash = tx.hash; |
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157
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data.block_height = tx.block_height ; |
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158
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data.block_time = utcTimestampToISODateStr(tx.block_time) |
|
159
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data.block_hash = 123//todo; |
|
160
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data.confirmations = tx.confirmations; |
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161
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|
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data.is_coinbase = tx.is_coinbase; |
|
162
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|
|
163
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var totalInputValue; |
|
164
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if (data.is_coinbase) { |
|
165
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totalInputValue = tx.outputs[0].value - tx.fee |
|
166
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} else { |
|
167
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totalInputValue = tx.inputs_value; |
|
168
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} |
|
169
|
|
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|
|
170
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|
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data.total_input_value = totalInputValue; |
|
171
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data.total_output_value = tx.outputs[0].value; |
|
172
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data.total_fee = tx.fee; |
|
173
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|
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data.contains_dust = null; //todo is there a replacement? kill this off for now |
|
174
|
|
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data.inputs = []; |
|
175
|
|
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data.outputs = []; |
|
176
|
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for (var inputIdx in tx.inputs) { |
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|
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|
|
177
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var i = tx.inputs[inputIdx]; |
|
178
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var scriptType; |
|
179
|
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var inputValue; |
|
180
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|
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var inputTxid; |
|
181
|
|
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var outpointIdx; |
|
182
|
|
|
|
|
183
|
|
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if (data.is_coinbase && i.prev_position == -1 && i.prev_tx_hash == "0000000000000000000000000000000000000000000000000000000000000000") { |
|
184
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scriptType = "coinbase"; |
|
185
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inputTxid = null; // debatable. |
|
186
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|
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inputValue = totalInputValue; |
|
187
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outpointIdx = 0xffffffff; |
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|
|
|
|
|
188
|
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} else { |
|
189
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scriptType = i.prev_type; |
|
190
|
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inputValue = i.prev_value; |
|
191
|
|
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inputTxid = i.prev_tx_hash; |
|
192
|
|
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outpointIdx = i.prev_position |
|
193
|
|
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} |
|
194
|
|
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|
|
195
|
|
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var prevAddress = null; |
|
196
|
|
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if (typeof i.prev_addresses === "Array") { |
|
197
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|
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prevAddress = i.prev_addresses; |
|
198
|
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} |
|
199
|
|
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|
|
200
|
|
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data.inputs.push({ |
|
201
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output_hash: inputTxid, |
|
202
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|
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output_index: inputIdx, |
|
203
|
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output_confirmed: false, //todo ask ruben |
|
204
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value: inputValue, |
|
205
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|
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sequence: i.sequence, |
|
206
|
|
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address: prevAddress, |
|
207
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type: scriptType, |
|
208
|
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prev_value: 0, |
|
209
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|
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multisig: i.multisig == undefined ? null : i.multisig, |
|
210
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|
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multisig_addresses: i.multisig_addresses == undefined ? null : i.multisig_addresses, |
|
211
|
|
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script_signature: i.script_hex |
|
212
|
|
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}); |
|
213
|
|
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} |
|
214
|
|
|
|
|
215
|
|
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for (var outIdx in tx.outputs) { |
|
|
|
|
|
|
216
|
|
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var i = tx.outputs[outIdx]; |
|
|
|
|
|
|
217
|
|
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data.outputs.push({ |
|
218
|
|
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index: outIdx, |
|
219
|
|
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value: i.value, |
|
220
|
|
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address: i.addresses, |
|
221
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|
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type: convertBtccomOutputScriptType(i.type), |
|
222
|
|
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script: i.script_asm, |
|
223
|
|
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script_hex: i.script_hex, |
|
224
|
|
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spent_hash: i.spent_by_tx, |
|
225
|
|
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spent_index: i.spent_by_tx_position |
|
226
|
|
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}); |
|
227
|
|
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} |
|
228
|
|
|
|
|
229
|
|
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data.size = tx.size; |
|
230
|
|
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data.is_double_spend = tx.is_double_spend; |
|
231
|
|
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data.opt_in_rbf = false; //todo ask ruben |
|
232
|
|
|
data.unconfirmed_inputs = true; //todo ask ruben |
|
233
|
|
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data.lock_time_timestamp = null; |
|
234
|
|
|
data.lock_time_block_height = null; |
|
235
|
|
|
|
|
236
|
|
|
/* |
|
237
|
|
|
Extra fields from Btc.com |
|
238
|
|
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*/ |
|
239
|
|
|
|
|
240
|
|
|
data.is_sw_tx = tx.is_sw_tx; |
|
241
|
|
|
data.weight = tx.weight; |
|
242
|
|
|
data.witness_hash = tx.witness_hash; |
|
243
|
|
|
data.lock_time = tx.lock_time; |
|
244
|
|
|
data.sigops = tx.sigops; |
|
245
|
|
|
data.version = tx.version; |
|
246
|
|
|
|
|
247
|
|
|
return data; |
|
248
|
|
|
} |
|
249
|
|
|
|
|
250
|
|
|
BtccomConverter.prototype.convertTx = function(oldData, rawTx) { |
|
251
|
|
|
var data = convertBtccomTxToBlocktrail(oldData.data); |
|
252
|
|
|
data.raw = rawTx; |
|
253
|
|
|
return data; |
|
254
|
|
|
} |
|
255
|
|
|
|
|
256
|
|
|
function convertBtccomOutputScriptType(scriptType) { |
|
257
|
|
|
switch (scriptType) { |
|
258
|
|
|
case "P2PKH_PUBKEY": |
|
259
|
|
|
return "pubkey"; |
|
260
|
|
|
case "P2PKH": |
|
261
|
|
|
return "pubkeyhash"; |
|
262
|
|
|
case "P2SH": |
|
263
|
|
|
return "scripthash"; |
|
264
|
|
|
case "P2WSH_V0": |
|
265
|
|
|
return "witnessscripthash"; |
|
266
|
|
|
case "P2WPKH": |
|
267
|
|
|
return "witnesspubkeyhash"; |
|
268
|
|
|
default: |
|
269
|
|
|
throw new Error("Not implemented yet, do this later") |
|
270
|
|
|
} |
|
271
|
|
|
} |
|
272
|
|
|
/// self.converter.convertAddressTx(self.converter.handleResponse(data)) |
|
273
|
|
|
BtccomConverter.prototype.convertAddressTx = function(oldData) { |
|
274
|
|
|
var data = []; |
|
275
|
|
|
|
|
276
|
|
|
|
|
277
|
|
|
oldData.data.list.forEach(function(i) { |
|
278
|
|
|
var e = {}; |
|
279
|
|
|
var inputs = []; |
|
280
|
|
|
var outputs = []; |
|
281
|
|
|
|
|
282
|
|
|
e.hash = i.hash; |
|
283
|
|
|
e.time = i.block_time; |
|
284
|
|
|
e.confirmations = i.confirmations; |
|
285
|
|
|
e.block_height = i.block_height; |
|
286
|
|
|
e.block_hash = i.hash; |
|
287
|
|
|
e.is_coinbase = i.is_coinbase; |
|
288
|
|
|
e.estimated_value = i.estimated_value; //todo ask ruben |
|
289
|
|
|
e.total_input_value = i.inputs_value; |
|
290
|
|
|
e.total_output_value = i.outputs_value; |
|
291
|
|
|
e.total_fee = i.fee; |
|
292
|
|
|
e.estimated_change = i.estimated_change; |
|
293
|
|
|
e.estimated_change_address = i.estimated_change_address; |
|
294
|
|
|
|
|
295
|
|
|
for (var j in i.inputs) { |
|
|
|
|
|
|
296
|
|
|
var inIdx = i.inputs[j]; |
|
297
|
|
|
inputs.push({ |
|
298
|
|
|
index: j, |
|
299
|
|
|
output_hash: inIdx.prev_tx_hash, |
|
300
|
|
|
output_index: inIdx.sequence, |
|
301
|
|
|
value: inIdx.prev_value, |
|
302
|
|
|
address: inIdx.prev_addresses, |
|
303
|
|
|
type: e.is_coinbase ? e.is_coinbase : convertBtccomOutputScriptType(inIdx.prev_type), |
|
304
|
|
|
multisig: inIdx.multisig == undefined ? null : inIdx.multisig, |
|
305
|
|
|
script_signature: inIdx.script_hex, |
|
306
|
|
|
script: inIdx.script_asm |
|
307
|
|
|
}); |
|
308
|
|
|
} |
|
309
|
|
|
|
|
310
|
|
|
for (var j in i.outputs) { |
|
|
|
|
|
|
311
|
|
|
var outIdx = i.outputs[j]; |
|
312
|
|
|
outputs.push({ |
|
313
|
|
|
index: j, |
|
314
|
|
|
value: outIdx.value, |
|
315
|
|
|
address: outIdx.addresses, |
|
316
|
|
|
type: outIdx.type, |
|
317
|
|
|
multisig: outIdx.multisig == undefined ? null : outIdx.multisig, |
|
318
|
|
|
script: outIdx.script_asm, |
|
319
|
|
|
spent_hash: outIdx.spent_by_tx == undefined ? null : outIdx.spent_by_tx, |
|
320
|
|
|
script_hex: outIdx.script_hex, |
|
321
|
|
|
spent_index: outIdx.spent_by_tx_position |
|
322
|
|
|
|
|
323
|
|
|
}); |
|
324
|
|
|
} |
|
325
|
|
|
|
|
326
|
|
|
e.inputs = inputs; |
|
327
|
|
|
e.outputs = outputs; |
|
328
|
|
|
|
|
329
|
|
|
/* |
|
330
|
|
|
Extra fields from Btc.com |
|
331
|
|
|
*/ |
|
332
|
|
|
|
|
333
|
|
|
e.is_double_spend = i.is_double_spend; |
|
334
|
|
|
e.is_sw_tx = i.is_sw_tx; |
|
335
|
|
|
e.weight = i.weight; |
|
336
|
|
|
e.witness_hash = i.witness_hash; |
|
337
|
|
|
e.version = i.version; |
|
338
|
|
|
data.push(e); |
|
339
|
|
|
}); |
|
340
|
|
|
|
|
341
|
|
|
return { |
|
342
|
|
|
data: data, |
|
343
|
|
|
current_page: oldData.data.page, |
|
344
|
|
|
per_page: oldData.data.pagesize, |
|
345
|
|
|
total: oldData.data.total_count |
|
346
|
|
|
}; |
|
347
|
|
|
}; |
|
348
|
|
|
|
|
349
|
|
|
BtccomConverter.prototype.convertAddress = function(oldData, firstSeen) { |
|
350
|
|
|
|
|
351
|
|
|
var data = {}; |
|
352
|
|
|
data.address = oldData.data.address; |
|
353
|
|
|
data.hash160 = getBase58AddressHash160(oldData.data.address, this.network, this.useNewCashAddr).toString("hex"); |
|
354
|
|
|
data.balance = oldData.data.balance; |
|
355
|
|
|
data.received = oldData.data.received; |
|
356
|
|
|
data.sent = oldData.data.sent; |
|
357
|
|
|
data.transactions = oldData.data.tx_count; |
|
358
|
|
|
data.utxos = oldData.data.unspent_tx_count - 1; |
|
359
|
|
|
data.unconfirmed_received = oldData.data.unconfirmed_received; |
|
360
|
|
|
data.unconfirmed_sent = oldData.data.unconfirmed_sent; |
|
361
|
|
|
data.unconfirmed_transactions = oldData.data.unconfirmed_tx_count; |
|
362
|
|
|
data.unconfirmed_utxos = oldData.data.unspent_tx_count; |
|
363
|
|
|
data.first_tx = oldData.data.first_tx; |
|
364
|
|
|
data.last_tx = oldData.data.last_tx; |
|
365
|
|
|
data.category = null; //todo is there a replacement? kill this off for now |
|
366
|
|
|
data.tag = null; //todo is there a replacement? kill this off for now |
|
367
|
|
|
data.first_seen = firstSeen; |
|
368
|
|
|
data.last_seen = firstSeen; |
|
369
|
|
|
|
|
370
|
|
|
return { |
|
371
|
|
|
data: data |
|
372
|
|
|
}; |
|
373
|
|
|
|
|
374
|
|
|
} |
|
375
|
|
|
|
|
376
|
|
|
BtccomConverter.prototype.convertAddressUnspentOutputs = function(oldData, address) { |
|
377
|
|
|
|
|
378
|
|
|
var data = []; |
|
379
|
|
|
var script = getAddressScriptInfo(address, this.network, this.useNewCashAddr); |
|
380
|
|
|
var script_hex = script.toString("hex"); |
|
381
|
|
|
var script_asm = getScriptAsm(script); |
|
382
|
|
|
var type = getType(script); |
|
383
|
|
|
oldData.data.list.forEach(function(i) { |
|
384
|
|
|
data.push({ |
|
385
|
|
|
hash: i.tx_hash, |
|
386
|
|
|
time: undefined, //todo |
|
387
|
|
|
confirmations: i.confirmations, |
|
388
|
|
|
is_coinbase: true, //todo ask Ruben |
|
389
|
|
|
value: i.value, |
|
390
|
|
|
index: i.tx_output_n, |
|
391
|
|
|
address: address, |
|
392
|
|
|
type: type, |
|
393
|
|
|
multisig: null, |
|
394
|
|
|
script: script_asm, |
|
395
|
|
|
script_hex: script_hex |
|
396
|
|
|
}) |
|
397
|
|
|
|
|
398
|
|
|
}); |
|
399
|
|
|
|
|
400
|
|
|
return { |
|
401
|
|
|
data: data, |
|
402
|
|
|
current_page: oldData.data.page, |
|
403
|
|
|
total: oldData.data.total_count |
|
404
|
|
|
} |
|
405
|
|
|
} |
|
406
|
|
|
|
|
407
|
|
|
exports = module.exports = BtccomConverter; |
|
408
|
|
|
|