lib/btccom.convert.js - Code Metrics - Inspection of "Btccomapi converter" - blocktrail/blocktrail-sdk-nodejs - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#99)

by Ruben de

created 2018-02-28 10:43 UTC

lib/btccom.convert.js D

↳ Parent: Project

Complexity

Total Complexity	67
Complexity/F	1.91

Size

Lines of Code	442
Function Count	35

Duplication

Duplicated Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	0
wmc	67
c	1
b	0
f	0
nc	64
mnd	3
bc	65
fnc	35
dl	0
loc	442
rs	4.3333
bpm	1.8571
cpm	1.9142
noi	2

27 Functions

Rating	Name	Size	Complexity
A	btccom.convert.js ➔ BtccomConverter	11	1
A	btccom.convert.js ➔ prettifyAsm	7	2
A	BtccomConverter.convertAddress	18	1
A	BtccomConverter.convertTxs	12	1
A	btccom.convert.js ➔ getScriptAsm	10	2
A	btccom.convert.js ➔ getAddressScriptInfo	10	2
A	BtccomConverter.convertAddressTxs	56	1
A	btccom.convert.js ➔ getType	10	2
B	BtccomConverter.convertBlock	29	1
B	BtccomConverter.convertAddressUnspentOutputs	24	1
A	BtccomConverter.convertTx	5	1
A	BtccomConverter.convertBlockTxs	16	1
B	btccom.convert.js ➔ convertBtccomOutputScriptType	18	8
A	BtccomConverter.paginationParams	12	3
B	btccom.convert.js ➔ getBase58AddressHash160	21	6
A	btccom.convert.js ➔ flattenAddresses	9	3
D	btccom.convert.js ➔ convertBtccomTxToBlocktrail	102	10
A	BtccomConverter.getUrlForTransactions	3	1
A	btccom.convert.js ➔ utcTimestampToISODateStr	3	1
A	BtccomConverter.getUrlForAddress	3	1
A	BtccomConverter.getUrlForAddressTransactions	3	1
A	BtccomConverter.getUrlForAddressUnspent	3	1
A	BtccomConverter.handleErros	11	3
A	BtccomConverter.getUrlForAllBlocks	3	1
A	BtccomConverter.getUrlForBlock	3	1
A	BtccomConverter.getUrlForTransaction	3	1
A	BtccomConverter.getUrlForBlockTransaction	3	1

How to fix Complexity

var RestClient = require('./rest_client');
var Wallet = require('./wallet');
var blocktrail = require('./blocktrail');
var bitcoinJS = require('bitcoinjs-lib');

var BtccomConverter = function(network, useNewCashAddr) {
    this.network = network;
    this.useNewCashAddr = useNewCashAddr;

    this.specialRawTxClientOnly = new RestClient({
        host: "btc.com",
        https: true,
        port: 443,
        endpoint: "/"
    });
};

function getAddressScriptInfo(address, network, useNewCashAddr) {
    var addressScriptInfo;

    try {
        addressScriptInfo = bitcoinJS.address.toOutputScript(address, network, useNewCashAddr);
    } catch (e) {
        addressScriptInfo = null;
    }
    return addressScriptInfo;
}

function getScriptAsm(chunks) {
    var scriptAsm;

    try {
        scriptAsm = bitcoinJS.script.toASM(chunks);
    } catch (e) {
        scriptAsm = null;
    }
    return scriptAsm;
}

function prettifyAsm(asm) {
    if (!asm) {
        return asm;
    }

    return asm.replace(/^0 /, "OP_0 ");
}

function getType(script) {
    var type;

    try {
        type = bitcoinJS.script.classifyOutput(script);
    } catch (e) {
        type = null;
    }
    return type;
}

function getBase58AddressHash160(address, network, useNewCashAddr) {
    var addressInfo;
    try {
        addressInfo = Wallet.getAddressAndType(address, network, useNewCashAddr);
    } catch (e) {
        return null;
    }

    if (addressInfo.type === "base58") {
        return addressInfo.decoded.hash;
    } else if (addressInfo.type === "bech32") {
        if (addressInfo.data.length === 20) {
            return addressInfo.decoded.hash;
        }
        return null;
    } else if (addressInfo.type === "") {
        return addressInfo.decoded.hash;
    }

    return null;
}

function convertBtccomOutputScriptType(scriptType) {
    switch (scriptType) {
        case "P2PKH_PUBKEY":
            return "pubkey";
        case "P2PKH":
            return "pubkeyhash";
        case "P2SH":
            return "scripthash";
        case "P2WSH_V0":
            return "witnessscripthash";
        case "P2WPKH":
            return "witnesspubkeyhash";
        case "coinbase":
            return "coinbase";
        default:
            throw new Error("Not implemented yet, script type: " + scriptType);
    }
}

function utcTimestampToISODateStr(time) {
    return (new Date(time * 1000)).toISOString().replace(/\.000Z$/, '+0000');
}

function flattenAddresses(addrs) {
    if (!addrs) {
        return addrs;
    } else if (addrs.length === 1) {
        return addrs[0];
    } else {
        return addrs;
    }
}

function convertBtccomTxToBlocktrail(tx) {
    /* jshint -W071, -W074 */
    var data = {};

    data.size = tx.vsize;
    data.hash = tx.hash;
    data.block_height = tx.block_height ;
    data.block_time = utcTimestampToISODateStr(tx.block_time);
    data.block_hash = null; // TODO: missing block_hash
    data.confirmations = tx.confirmations;
    data.is_coinbase = tx.is_coinbase;

    var totalInputValue;
    if (data.is_coinbase) {
        totalInputValue = tx.outputs[0].value - tx.fee;
    } else {
        totalInputValue = tx.inputs_value;
    }

    data.total_input_value = totalInputValue;
    data.total_output_value = tx.outputs.reduce(function(total, output) {
        return total + output.value;
    }, 0);
    data.total_fee = tx.fee;
    data.inputs = [];
    data.outputs = [];
    data.opt_in_rbf = false;

    for (var inputIdx in tx.inputs) {
var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
        var input = tx.inputs[inputIdx];
        var scriptType;
        var inputValue;
        var inputTxid;
        var outpointIdx;

        if (input.sequence < bitcoinJS.Transaction.DEFAULT_SEQUENCE - 1) {
            data.opt_in_rbf = true;
        }

        if (data.is_coinbase && input.prev_position === -1 &&
            input.prev_tx_hash === "0000000000000000000000000000000000000000000000000000000000000000") {
            scriptType = "coinbase";
            inputTxid = null;
            inputValue = totalInputValue;
            outpointIdx = 0xffffffff;
        } else {
            scriptType = input.prev_type;
            inputValue = input.prev_value;
            inputTxid = input.prev_tx_hash;
            outpointIdx = input.prev_position;
        }

        data.inputs.push({
            index: parseInt(inputIdx, 10),
            output_hash: inputTxid,
            output_index: outpointIdx,
            value: inputValue,
            sequence: input.sequence,
            address: flattenAddresses(input.prev_addresses),
            type: convertBtccomOutputScriptType(scriptType),
            script_signature: input.script_hex
        });
    }

    for (var outIdx in tx.outputs) {
var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
        var output = tx.outputs[outIdx];

        data.outputs.push({
            index: parseInt(outIdx, 10),
            value: output.value,
            address: flattenAddresses(output.addresses),
            type: convertBtccomOutputScriptType(output.type),
            script: prettifyAsm(output.script_asm),
            script_hex: output.script_hex,
            spent_hash: output.spent_by_tx,
            spent_index: output.spent_by_tx_position
        });
    }

    data.size = tx.size;
    data.is_double_spend = tx.is_double_spend;

    data.lock_time_timestamp = null;
    data.lock_time_block_height = null;
    if (tx.lock_time) {
        if (tx.lock_time < blocktrail.LOCK_TIME_TIMESTAMP_THRESHOLD) {
            data.lock_time_block_height = tx.lock_time;
        } else {
            data.lock_time_timestamp = tx.lock_time;
        }
    }

    // Extra fields from Btc.com
    data.is_sw_tx = tx.is_sw_tx;
    data.weight = tx.weight;
    data.witness_hash = tx.witness_hash;
    data.lock_time  = tx.lock_time;
    data.sigops = tx.sigops;
    data.version = tx.version;

    return data;
}

BtccomConverter.prototype.paginationParams = function(params) {
    if (!params) {
        return params;
    }

    if (typeof params.limit !== "undefined") {
        params.pagesize = params.limit;
        delete params.limit;
    }

    return params;
};

BtccomConverter.prototype.getUrlForBlock = function(blockHash) {
    return "/block/" + blockHash;
};

BtccomConverter.prototype.getUrlForTransaction = function(txId) {
    return "/tx/" + txId + "?verbose=3";
};

BtccomConverter.prototype.getUrlForTransactions = function(txIds) {
    return "/tx/" + txIds.join(",") + "?verbose=3";
};

BtccomConverter.prototype.getUrlForBlockTransaction = function(blockHash) {
    return "/block/" + blockHash + "/tx";
};

BtccomConverter.prototype.getUrlForAddress = function(address) {
    return "/address/" + address;
};

BtccomConverter.prototype.getUrlForAddressTransactions = function(address) {
    return "/address/" + address + "/tx?verbose=3";
};

BtccomConverter.prototype.getUrlForAddressUnspent = function(address) {
    return "/address/" + address + "/unspent";
};

BtccomConverter.prototype.getUrlForAllBlocks = function() {
    return "/all-blocks";
};

BtccomConverter.prototype.handleErros = function(self, data) {
    if (data.err_no === 0 || data.data !== null) {
        return data;
    } else {
        return {
            err_no: data.err_no,
            err_msg: data.err_msg,
            data: data.data
        };
    }
};

BtccomConverter.prototype.convertBlock = function(oldData) {
    var data = {
        hash: oldData.data.hash,
        version: oldData.data.version,
        height: oldData.data.height,
        block_time: utcTimestampToISODateStr(oldData.data.timestamp),
        arrival_time: utcTimestampToISODateStr(oldData.data.timestamp),
        bits: oldData.data.bits,
        nonce: oldData.data.nonce,
        merkleroot: oldData.data.mrkl_root,
        prev_block: oldData.data.prev_block_hash,
        next_block: oldData.data.next_block_hash,
        byte_size: oldData.data.stripped_size,
        difficulty: Math.floor(oldData.data.difficulty),
        transactions: oldData.data.tx_count,
        reward_block: oldData.data.reward_block,
        reward_fees: oldData.data.reward_fees,
        created_at: oldData.data.created_at,
        confirmations: oldData.data.confirmations,
        is_orphan: oldData.data.is_orphan,
        is_sw_block: oldData.data.is_sw_block,
        weight: oldData.data.weight,
        miningpool_name: oldData.data.miningpool_name || null,
        miningpool_url: oldData.data.miningpool_url || null,
        miningpool_slug: oldData.data.miningpool_slug || null
    };

    return data;
};


BtccomConverter.prototype.convertBlockTxs = function(oldData) {

    var list = [];
    oldData.data.list.forEach(function(oldTx) {
        var resTx = convertBtccomTxToBlocktrail(oldTx);

        list.push(resTx);
    });

    return {
        data: list,
        current_page: oldData.data.page,
        per_page: oldData.data.pagesize,
        total: oldData.data.total_count
    };
};

BtccomConverter.prototype.convertTx = function(oldData, rawTx) {
    var data = convertBtccomTxToBlocktrail(oldData.data);
    data.raw = rawTx;
    return data;
};

BtccomConverter.prototype.convertTxs = function(oldData) {
    var res = {};

    oldData.data
        .filter(function(tx) { return !!tx; })
        .forEach(function(oldTx) {
            var tx = convertBtccomTxToBlocktrail(oldTx);
            res[tx.hash] = tx;
        });

    return {data: res};
};

BtccomConverter.prototype.convertAddressTxs = function(oldData) {
    var data = oldData.data.list.map(function(tx) {
        var res = {};

        res.hash = tx.hash;
        res.time = utcTimestampToISODateStr(tx.block_time);
        res.confirmations = tx.confirmations;
        res.block_height = tx.block_height;
        res.block_hash = null; // @TODO: missing block_hash
        res.is_coinbase = tx.is_coinbase;
        res.total_input_value = tx.inputs_value;
        res.total_output_value = tx.outputs_value;
        res.total_fee = tx.fee;

        res.inputs = tx.inputs.map(function(input, inIdx) {
            return {
                index: inIdx,
                output_hash: input.prev_tx_hash,
                output_index: input.prev_position,
                value: input.prev_value,
                address: flattenAddresses(input.prev_addresses),
                type:  res.is_coinbase ? res.is_coinbase : convertBtccomOutputScriptType(input.prev_type),
                script_signature: input.script_hex
            };
        });

        res.outputs = tx.outputs.map(function(output, outIdx) {
            return {
                index: outIdx,
                value: output.value,
                address: flattenAddresses(output.addresses),
                type: convertBtccomOutputScriptType(output.type),
                script: prettifyAsm(output.script_asm),
                spent_hash: output.spent_by_tx || null,
                script_hex: output.script_hex,
                spent_index: output.spent_by_tx_position
            };
        });

        // Extra fields from Btc.com
        res.is_double_spend = tx.is_double_spend;
        res.is_sw_tx = tx.is_sw_tx;
        res.weight = tx.weight;
        res.witness_hash = tx.witness_hash;
        res.version = tx.version;

        return res;
    });

    return {
        data: data,
        current_page: oldData.data.page,
        per_page: oldData.data.pagesize,
        total: oldData.data.total_count
    };
};

BtccomConverter.prototype.convertAddress = function(oldData) {
    var data = {};

    data.address = oldData.data.address;
    data.hash160 = getBase58AddressHash160(oldData.data.address, this.network, this.useNewCashAddr).toString("hex").toUpperCase();
    data.balance = oldData.data.balance;
    data.received = oldData.data.received;
    data.sent = oldData.data.sent;
    data.transactions = oldData.data.tx_count;
    data.utxos = oldData.data.unspent_tx_count;
    data.unconfirmed_received = oldData.data.unconfirmed_received;
    data.unconfirmed_sent = oldData.data.unconfirmed_sent;
    data.unconfirmed_transactions = oldData.data.unconfirmed_tx_count;
    data.first_tx = oldData.data.first_tx;
    data.last_tx = oldData.data.last_tx;

    return data;
};

BtccomConverter.prototype.convertAddressUnspentOutputs = function(oldData, address) {
    var script = getAddressScriptInfo(address, this.network, this.useNewCashAddr);
    var script_hex = script.toString("hex");
    var script_asm = getScriptAsm(script);
    var type = getType(script);
    var data = oldData.data.list.map(function(utxo) {
        return {
            hash: utxo.tx_hash,
            confirmations: utxo.confirmations,
            value: utxo.value,
            index: utxo.tx_output_n,
            address: address,
            type: type,
            script: script_asm,
            script_hex: script_hex
        };
    });

    return {
        data: data,
        current_page: oldData.data.page,
        total: oldData.data.total_count
    };
};

exports = module.exports = BtccomConverter;


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) {
7			this.network = network;
8			this.useNewCashAddr = useNewCashAddr;
9
10			this.specialRawTxClientOnly = new RestClient({
11			host: "btc.com",
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 "coinbase":
94			return "coinbase";
95			default:
96			throw new Error("Not implemented yet, script type: " + scriptType);
97			}
98			}
99
100			function utcTimestampToISODateStr(time) {
101			return (new Date(time * 1000)).toISOString().replace(/\.000Z$/, '+0000');
102			}
103
104			function flattenAddresses(addrs) {
105			if (!addrs) {
106			return addrs;
107			} else if (addrs.length === 1) {
108			return addrs[0];
109			} else {
110			return addrs;
111			}
112			}
113
114			function convertBtccomTxToBlocktrail(tx) {
115			/* jshint -W071, -W074 */
116			var data = {};
117
118			data.size = tx.vsize;
119			data.hash = tx.hash;
120			data.block_height = tx.block_height ;
121			data.block_time = utcTimestampToISODateStr(tx.block_time);
122			data.block_hash = null; // TODO: missing block_hash
123			data.confirmations = tx.confirmations;
124			data.is_coinbase = tx.is_coinbase;
125
126			var totalInputValue;
127			if (data.is_coinbase) {
128			totalInputValue = tx.outputs[0].value - tx.fee;
129			} else {
130			totalInputValue = tx.inputs_value;
131			}
132
133			data.total_input_value = totalInputValue;
134			data.total_output_value = tx.outputs.reduce(function(total, output) {
135			return total + output.value;
136			}, 0);
137			data.total_fee = tx.fee;
138			data.inputs = [];
139			data.outputs = [];
140			data.opt_in_rbf = false;
141
142			for (var inputIdx in tx.inputs) {
			0 ignored issues – show Complexity introduced 2018-02-21 23:02 UTC by Report Bug Copy Issue Report A for in loop automatically includes the property of any prototype object, consider checking the key using `hasOwnProperty`. 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: var someObject; for (var key in someObject) { if ( ! someObject.hasOwnProperty(key)) { continue; // Skip keys from the prototype. } doSomethingWith(key); } Loading history...
143			var input = tx.inputs[inputIdx];
144			var scriptType;
145			var inputValue;
146			var inputTxid;
147			var outpointIdx;
148
149			if (input.sequence < bitcoinJS.Transaction.DEFAULT_SEQUENCE - 1) {
150			data.opt_in_rbf = true;
151			}
152
153			if (data.is_coinbase && input.prev_position === -1 &&
154			input.prev_tx_hash === "0000000000000000000000000000000000000000000000000000000000000000") {
155			scriptType = "coinbase";
156			inputTxid = null;
157			inputValue = totalInputValue;
158			outpointIdx = 0xffffffff;
159			} else {
160			scriptType = input.prev_type;
161			inputValue = input.prev_value;
162			inputTxid = input.prev_tx_hash;
163			outpointIdx = input.prev_position;
164			}
165
166			data.inputs.push({
167			index: parseInt(inputIdx, 10),
168			output_hash: inputTxid,
169			output_index: outpointIdx,
170			value: inputValue,
171			sequence: input.sequence,
172			address: flattenAddresses(input.prev_addresses),
173			type: convertBtccomOutputScriptType(scriptType),
174			script_signature: input.script_hex
175			});
176			}
177
178			for (var outIdx in tx.outputs) {
			0 ignored issues – show Complexity introduced 2018-02-21 23:02 UTC by Report Bug Copy Issue Report A for in loop automatically includes the property of any prototype object, consider checking the key using `hasOwnProperty`. 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: var someObject; for (var key in someObject) { if ( ! someObject.hasOwnProperty(key)) { continue; // Skip keys from the prototype. } doSomethingWith(key); } Loading history...
179			var output = tx.outputs[outIdx];
180
181			data.outputs.push({
182			index: parseInt(outIdx, 10),
183			value: output.value,
184			address: flattenAddresses(output.addresses),
185			type: convertBtccomOutputScriptType(output.type),
186			script: prettifyAsm(output.script_asm),
187			script_hex: output.script_hex,
188			spent_hash: output.spent_by_tx,
189			spent_index: output.spent_by_tx_position
190			});
191			}
192
193			data.size = tx.size;
194			data.is_double_spend = tx.is_double_spend;
195
196			data.lock_time_timestamp = null;
197			data.lock_time_block_height = null;
198			if (tx.lock_time) {
199			if (tx.lock_time < blocktrail.LOCK_TIME_TIMESTAMP_THRESHOLD) {
200			data.lock_time_block_height = tx.lock_time;
201			} else {
202			data.lock_time_timestamp = tx.lock_time;
203			}
204			}
205
206			// Extra fields from Btc.com
207			data.is_sw_tx = tx.is_sw_tx;
208			data.weight = tx.weight;
209			data.witness_hash = tx.witness_hash;
210			data.lock_time = tx.lock_time;
211			data.sigops = tx.sigops;
212			data.version = tx.version;
213
214			return data;
215			}
216
217			BtccomConverter.prototype.paginationParams = function(params) {
218			if (!params) {
219			return params;
220			}
221
222			if (typeof params.limit !== "undefined") {
223			params.pagesize = params.limit;
224			delete params.limit;
225			}
226
227			return params;
228			};
229
230			BtccomConverter.prototype.getUrlForBlock = function(blockHash) {
231			return "/block/" + blockHash;
232			};
233
234			BtccomConverter.prototype.getUrlForTransaction = function(txId) {
235			return "/tx/" + txId + "?verbose=3";
236			};
237
238			BtccomConverter.prototype.getUrlForTransactions = function(txIds) {
239			return "/tx/" + txIds.join(",") + "?verbose=3";
240			};
241
242			BtccomConverter.prototype.getUrlForBlockTransaction = function(blockHash) {
243			return "/block/" + blockHash + "/tx";
244			};
245
246			BtccomConverter.prototype.getUrlForAddress = function(address) {
247			return "/address/" + address;
248			};
249
250			BtccomConverter.prototype.getUrlForAddressTransactions = function(address) {
251			return "/address/" + address + "/tx?verbose=3";
252			};
253
254			BtccomConverter.prototype.getUrlForAddressUnspent = function(address) {
255			return "/address/" + address + "/unspent";
256			};
257
258			BtccomConverter.prototype.getUrlForAllBlocks = function() {
259			return "/all-blocks";
260			};
261
262			BtccomConverter.prototype.handleErros = function(self, data) {
263			if (data.err_no === 0 \|\| data.data !== null) {
264			return data;
265			} else {
266			return {
267			err_no: data.err_no,
268			err_msg: data.err_msg,
269			data: data.data
270			};
271			}
272			};
273
274			BtccomConverter.prototype.convertBlock = function(oldData) {
275			var data = {
276			hash: oldData.data.hash,
277			version: oldData.data.version,
278			height: oldData.data.height,
279			block_time: utcTimestampToISODateStr(oldData.data.timestamp),
280			arrival_time: utcTimestampToISODateStr(oldData.data.timestamp),
281			bits: oldData.data.bits,
282			nonce: oldData.data.nonce,
283			merkleroot: oldData.data.mrkl_root,
284			prev_block: oldData.data.prev_block_hash,
285			next_block: oldData.data.next_block_hash,
286			byte_size: oldData.data.stripped_size,
287			difficulty: Math.floor(oldData.data.difficulty),
288			transactions: oldData.data.tx_count,
289			reward_block: oldData.data.reward_block,
290			reward_fees: oldData.data.reward_fees,
291			created_at: oldData.data.created_at,
292			confirmations: oldData.data.confirmations,
293			is_orphan: oldData.data.is_orphan,
294			is_sw_block: oldData.data.is_sw_block,
295			weight: oldData.data.weight,
296			miningpool_name: oldData.data.miningpool_name \|\| null,
297			miningpool_url: oldData.data.miningpool_url \|\| null,
298			miningpool_slug: oldData.data.miningpool_slug \|\| null
299			};
300
301			return data;
302			};
303
304
305			BtccomConverter.prototype.convertBlockTxs = function(oldData) {
306
307			var list = [];
308			oldData.data.list.forEach(function(oldTx) {
309			var resTx = convertBtccomTxToBlocktrail(oldTx);
310
311			list.push(resTx);
312			});
313
314			return {
315			data: list,
316			current_page: oldData.data.page,
317			per_page: oldData.data.pagesize,
318			total: oldData.data.total_count
319			};
320			};
321
322			BtccomConverter.prototype.convertTx = function(oldData, rawTx) {
323			var data = convertBtccomTxToBlocktrail(oldData.data);
324			data.raw = rawTx;
325			return data;
326			};
327
328			BtccomConverter.prototype.convertTxs = function(oldData) {
329			var res = {};
330
331			oldData.data
332			.filter(function(tx) { return !!tx; })
333			.forEach(function(oldTx) {
334			var tx = convertBtccomTxToBlocktrail(oldTx);
335			res[tx.hash] = tx;
336			});
337
338			return {data: res};
339			};
340
341			BtccomConverter.prototype.convertAddressTxs = function(oldData) {
342			var data = oldData.data.list.map(function(tx) {
343			var res = {};
344
345			res.hash = tx.hash;
346			res.time = utcTimestampToISODateStr(tx.block_time);
347			res.confirmations = tx.confirmations;
348			res.block_height = tx.block_height;
349			res.block_hash = null; // @TODO: missing block_hash
350			res.is_coinbase = tx.is_coinbase;
351			res.total_input_value = tx.inputs_value;
352			res.total_output_value = tx.outputs_value;
353			res.total_fee = tx.fee;
354
355			res.inputs = tx.inputs.map(function(input, inIdx) {
356			return {
357			index: inIdx,
358			output_hash: input.prev_tx_hash,
359			output_index: input.prev_position,
360			value: input.prev_value,
361			address: flattenAddresses(input.prev_addresses),
362			type: res.is_coinbase ? res.is_coinbase : convertBtccomOutputScriptType(input.prev_type),
363			script_signature: input.script_hex
364			};
365			});
366
367			res.outputs = tx.outputs.map(function(output, outIdx) {
368			return {
369			index: outIdx,
370			value: output.value,
371			address: flattenAddresses(output.addresses),
372			type: convertBtccomOutputScriptType(output.type),
373			script: prettifyAsm(output.script_asm),
374			spent_hash: output.spent_by_tx \|\| null,
375			script_hex: output.script_hex,
376			spent_index: output.spent_by_tx_position
377			};
378			});
379
380			// Extra fields from Btc.com
381			res.is_double_spend = tx.is_double_spend;
382			res.is_sw_tx = tx.is_sw_tx;
383			res.weight = tx.weight;
384			res.witness_hash = tx.witness_hash;
385			res.version = tx.version;
386
387			return res;
388			});
389
390			return {
391			data: data,
392			current_page: oldData.data.page,
393			per_page: oldData.data.pagesize,
394			total: oldData.data.total_count
395			};
396			};
397
398			BtccomConverter.prototype.convertAddress = function(oldData) {
399			var data = {};
400
401			data.address = oldData.data.address;
402			data.hash160 = getBase58AddressHash160(oldData.data.address, this.network, this.useNewCashAddr).toString("hex").toUpperCase();
403			data.balance = oldData.data.balance;
404			data.received = oldData.data.received;
405			data.sent = oldData.data.sent;
406			data.transactions = oldData.data.tx_count;
407			data.utxos = oldData.data.unspent_tx_count;
408			data.unconfirmed_received = oldData.data.unconfirmed_received;
409			data.unconfirmed_sent = oldData.data.unconfirmed_sent;
410			data.unconfirmed_transactions = oldData.data.unconfirmed_tx_count;
411			data.first_tx = oldData.data.first_tx;
412			data.last_tx = oldData.data.last_tx;
413
414			return data;
415			};
416
417			BtccomConverter.prototype.convertAddressUnspentOutputs = function(oldData, address) {
418			var script = getAddressScriptInfo(address, this.network, this.useNewCashAddr);
419			var script_hex = script.toString("hex");
420			var script_asm = getScriptAsm(script);
421			var type = getType(script);
422			var data = oldData.data.list.map(function(utxo) {
423			return {
424			hash: utxo.tx_hash,
425			confirmations: utxo.confirmations,
426			value: utxo.value,
427			index: utxo.tx_output_n,
428			address: address,
429			type: type,
430			script: script_asm,
431			script_hex: script_hex
432			};
433			});
434
435			return {
436			data: data,
437			current_page: oldData.data.page,
438			total: oldData.data.total_count
439			};
440			};
441
442			exports = module.exports = BtccomConverter;
443

blocktrail / blocktrail-sdk-nodejs

Pull Request — master (#99)

lib/btccom.convert.js D

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27 Functions

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