htmlcoin-api
v0.0.28
Published
A HTMLCOIN blockchain REST and web socket API service for HTMLCOINCORE Node.
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A HTMLCOIN blockchain REST and web socket API service for HTMLCOINCORE Node.
This is a backend-only service. If you're looking for the web frontend application, take a look at https://github.com/HTMLCOIN/htmlcoin-explorer.
Getting Started
npm install -g htmlcoincore-node@latest
htmlcoincore-node create mynode
cd mynode
htmlcoincore-node install htmlcoin-api
htmlcoincore-node startThe API endpoints will be available by default at: http://localhost:3001/htmlcoin-api/
Prerequisites
Note: You can use an existing HTMLCOIN data directory, however txindex, addressindex, timestampindex and spentindex needs to be set to true in htmlcoin.conf, as well as a few other additional fields.
Query Rate Limit
To protect the server, htmlcoin-api has a built it query rate limiter. It can be configurable in htmlcoincore-node.json with:
"servicesConfig": {
"htmlcoin-api": {
"rateLimiterOptions": {
"whitelist": ["::ffff:127.0.0.1"]
}
}
}Or disabled entirely with:
"servicesConfig": {
"htmlcoin-api": {
"disableRateLimiter": true
}
}Tokens
Token Account Balance
`GET` /htmlcoin-api/tokens/{:tokenAddressBase}/addresses/{:addressBase}/balanceor
`GET` /htmlcoin-api/tokens/{:tokenAddressBase}/addresses/{:addressBase}/balance?format=objectQuery Params
Optional:
`format=object`
This would return:
1000000000000000000{
"balance": "1000000000000000000"
}Token Total supply
`GET` /htmlcoin-api/tokens/{:tokenAddressBase}/total-supplyor
`GET` /htmlcoin-api/tokens/{:tokenAddressBase}/total-supply?format=objectQuery Params
Optional:
`format=object`
This would return:
"1000000000000000000"or
{
"total_supply": "1000000000000000000"
}Token Transactions
`GET` /htmlcoin-api/tokens/{:tokenAddressBase}/transactionsQuery Params
Optional:
`limit=<Number>` > MAX_LIMIT === 100 `offset=<Number>` `from_block=<Number>` `to_block=<Number>` `from_date_time=<ISO8601 Date>` `to_date_time=<ISO8601 Date>` `addresses=<Array.<String>>`
Eg:
`GET` /htmlcoin-api/tokens/HNdW79juyJNJ89h99D9vfo5QhCZpmavJNX/transactions?limit=20&offset=1&from_block=34101&to_block=34378&from_date_time=2017-10-27T01:23:10.000Z&to_date_time=2018-10-27T01:24:10.000Z&addresses[]=HbmrFnBhyMKUhrabXfaAWZTncSWbJA8FsG&addresses[]=HarHW2HjV8Z3njxiTuvUZU3hmqahKNZ49yThis would return:
{
"limit": 20,
"offset": 1,
"addresses": [
"HbmrFnBhyMKUhrabXfaAWZTncSWbJA8FsG",
"HarHW2HjV8Z3njxiTuvUZU3hmqahKNZ49y"
],
"from_block": 34101,
"to_block": 34378,
"from_date_time": "2017-10-27T01:23:10.000Z",
"to_date_time": "2018-10-27T01:24:10.000Z",
"count": 2,
"items": [
{
"contract_address_base": "HNdW79juyJNJ89h99D9vfo5QhCZpmavJNX",
"block_height": 34377,
"tx_hash": "e5c16ea5785fed909957100c3721a62f5f5dfe427af1c926ba11e64c3f905fab",
"from": "HNvEBPtXwezdJjkUUy2JF6pirGn1vtkaNt",
"to": "HarHW2HjV8Z3njxiTuvUZU3hmqahKNZ49y",
"value": "100000000000",
"block_date_time": "2017-10-27T12:28:48.000Z"
}
]
}API HTTP Endpoints
Account Info
`GET` /htmlcoin-api/contracts/{:contractHash}/infoThis would return:
{
address: "f8fe26582d6ce7f0233aee0477de5be606cca653",
balance: 0,
storage: {
03: "6f",
00: "5374616e64617264000000000000000000000000000000000000000000000010",
02: "5354440000000000000000000000000000000000000000000000000000000006",
03c2cc9c95da7ca004141242c8b36d98e928596f771044fd5552d3ee8b47438f: "2710",
04: "2710",
01: "5374616e64617264200000000000000000000000000000000000000000000012"
},
code: "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vins: [
{
hash: "2c329c6793f21b1655be8940bf46b0fae6af303e142b39d1c813796970321124",
vout: 0,
amount: 0
}
]
}Statistics
Total 24h Statistic
`GET` /htmlcoin-api/statistics/totalThis would return:
{
n_blocks_mined: 1268,
time_between_blocks: 86301,
mined_currency_amount: 1268000000000000,
transaction_fees: 633992859997,
number_of_transactions: 2547,
outputs_volume: 46920965480,
difficulty: 981808167.7687966,
stake: 0.17279912782774598
}Transactions Statistic
`GET` /htmlcoin-api/statistics/transactions?days=14This would return:
[
{
date: "2017-05-30",
transaction_count: 1087,
block_count: 541
},
...
]Fees Statistic
`GET` /htmlcoin-api/statistics/fees?days=14This would return:
[
{
date: "2017-06-06",
fee: 500000000
},
...
]Outputs Statistic
`GET` /htmlcoin-api/statistics/outputs?days=14This would return:
[
{
date: "2017-06-06",
sum: 0
},
...
]Difficulty Statistic
`GET` /htmlcoin-api/statistics/difficulty?days=14This would return:
[
{
date: "2017-06-06",
sum: 0
},
...
]Stake Statistic
`GET` /htmlcoin-api/statistics/stake?days=14This would return:
[
{
date: "2017-06-06",
sum: 0
},
...
]Total Supply Statistic
`GET` /htmlcoin-api/circulating-supplyor
`GET` /htmlcoin-api/circulating-supply/?format=objectThis would return:
88410384or
{
"circulatingSupply": "88410384"
} `GET` /htmlcoin-api/supplyor
`GET` /htmlcoin-api/supply?format=objectThis would return:
100091264or
{
"supply": "100091264"
}Block
/htmlcoin-api/block/[:hash]
/htmlcoin-api/block/00000000a967199a2fad0877433c93df785a8d8ce062e5f9b451cd1397bdbf62Block Index
Get block hash by height
/htmlcoin-api/block-index/[:height]
/htmlcoin-api/block-index/0This would return:
{
"blockHash":"000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"
}which is the hash of the Genesis block (0 height)
Raw Block
/htmlcoin-api/rawblock/[:blockHash]
/htmlcoin-api/rawblock/[:blockHeight]This would return:
{
"rawblock":"blockhexstring..."
}Block Summaries
Get block summaries by date:
/htmlcoin-api/blocks?limit=3&blockDate=2016-04-22Example response:
{
"blocks": [
{
"height": 408495,
"size": 989237,
"hash": "00000000000000000108a1f4d4db839702d72f16561b1154600a26c453ecb378",
"time": 1461360083,
"txlength": 1695,
"poolInfo": {
"poolName": "BTCC Pool",
"url": "https://pool.btcc.com/"
}
}
],
"length": 1,
"pagination": {
"next": "2016-04-23",
"prev": "2016-04-21",
"currentTs": 1461369599,
"current": "2016-04-22",
"isToday": true,
"more": true,
"moreTs": 1461369600
}
}Transaction
/htmlcoin-api/tx/[:txid]
/htmlcoin-api/tx/525de308971eabd941b139f46c7198b5af9479325c2395db7f2fb5ae8562556c
/htmlcoin-api/rawtx/[:rawid]
/htmlcoin-api/rawtx/525de308971eabd941b139f46c7198b5af9479325c2395db7f2fb5ae8562556cAddress
/htmlcoin-api/addr/[:addr][?noTxList=1][&from=&to=]
/htmlcoin-api/addr/mmvP3mTe53qxHdPqXEvdu8WdC7GfQ2vmx5?noTxList=1
/htmlcoin-api/addr/mmvP3mTe53qxHdPqXEvdu8WdC7GfQ2vmx5?from=1000&to=2000Address Properties
/htmlcoin-api/addr/[:addr]/balance
/htmlcoin-api/addr/[:addr]/totalReceived
/htmlcoin-api/addr/[:addr]/totalSent
/htmlcoin-api/addr/[:addr]/unconfirmedBalanceThe response contains the value in Satoshis.
Unspent Outputs
/htmlcoin-api/addr/[:addr]/utxoSample return:
[
{
"address":"mo9ncXisMeAoXwqcV5EWuyncbmCcQN4rVs",
"txid":"d5f8a96faccf79d4c087fa217627bb1120e83f8ea1a7d84b1de4277ead9bbac1",
"vout":0,
"scriptPubKey":"76a91453c0307d6851aa0ce7825ba883c6bd9ad242b48688ac",
"amount":0.000006,
"satoshis":600,
"confirmations":0,
"ts":1461349425
},
{
"address": "mo9ncXisMeAoXwqcV5EWuyncbmCcQN4rVs",
"txid": "bc9df3b92120feaee4edc80963d8ed59d6a78ea0defef3ec3cb374f2015bfc6e",
"vout": 1,
"scriptPubKey": "76a91453c0307d6851aa0ce7825ba883c6bd9ad242b48688ac",
"amount": 0.12345678,
"satoshis: 12345678,
"confirmations": 1,
"height": 300001
}
]Unspent Outputs for Multiple Addresses
GET method:
/htmlcoin-api/addrs/[:addrs]/utxo
/htmlcoin-api/addrs/2NF2baYuJAkCKo5onjUKEPdARQkZ6SYyKd5,2NAre8sX2povnjy4aeiHKeEh97Qhn97tB1f/utxoPOST method:
/htmlcoin-api/addrs/utxoPOST params:
addrs: 2NF2baYuJAkCKo5onjUKEPdARQkZ6SYyKd5,2NAre8sX2povnjy4aeiHKeEh97Qhn97tB1fTransactions by Block
/htmlcoin-api/txs/?block=HASH
/htmlcoin-api/txs/?block=00000000fa6cf7367e50ad14eb0ca4737131f256fc4c5841fd3c3f140140e6b6Transactions by Address
/htmlcoin-api/txs/?address=ADDR
/htmlcoin-api/txs/?address=mmhmMNfBiZZ37g1tgg2t8DDbNoEdqKVxALTransactions Receipt
/htmlcoin-api/txs/[:tx_id]/receiptTransactions for Multiple Addresses
GET method:
/htmlcoin-api/addrs/[:addrs]/txs[?from=&to=]
/htmlcoin-api/addrs/2NF2baYuJAkCKo5onjUKEPdARQkZ6SYyKd5,2NAre8sX2povnjy4aeiHKeEh97Qhn97tB1f/txs?from=0&to=20POST method:
/htmlcoin-api/addrs/txsPOST params:
addrs: 2NF2baYuJAkCKo5onjUKEPdARQkZ6SYyKd5,2NAre8sX2povnjy4aeiHKeEh97Qhn97tB1f
from (optional): 0
to (optional): 20
noAsm (optional): 1 (will omit script asm from results)
noScriptSig (optional): 1 (will omit the scriptSig from all inputs)
noSpent (option): 1 (will omit spent information per output)Sample output:
{ totalItems: 100,
from: 0,
to: 20,
items:
[ { txid: '3e81723d069b12983b2ef694c9782d32fca26cc978de744acbc32c3d3496e915',
version: 1,
locktime: 0,
vin: [Object],
vout: [Object],
blockhash: '00000000011a135e5277f5493c52c66829792392632b8b65429cf07ad3c47a6c',
confirmations: 109367,
time: 1393659685,
blocktime: 1393659685,
valueOut: 0.3453,
size: 225,
firstSeenTs: undefined,
valueIn: 0.3454,
fees: 0.0001 },
{ ... },
{ ... },
...
{ ... }
]
}Note: if pagination params are not specified, the result is an array of transactions.
Transaction Broadcasting
POST method:
/htmlcoin-api/tx/sendPOST params:
rawtx: "signed transaction as hex string"
eg
rawtx: 01000000017b1eabe0209b1fe794124575ef807057c77ada2138ae4fa8d6c4de0398a14f3f00000000494830450221008949f0cb400094ad2b5eb399d59d01c14d73d8fe6e96df1a7150deb388ab8935022079656090d7f6bac4c9a94e0aad311a4268e082a725f8aeae0573fb12ff866a5f01ffffffff01f0ca052a010000001976a914cbc20a7664f2f69e5355aa427045bc15e7c6c77288ac00000000
POST response:
{
txid: [:txid]
}
eg
{
txid: "c7736a0a0046d5a8cc61c8c3c2821d4d7517f5de2bc66a966011aaa79965ffba"
}Historic Blockchain Data Sync Status
/htmlcoin-api/syncLive Network P2P Data Sync Status
/htmlcoin-api/peerStatus of the HTMLCOIN Network
/htmlcoin-api/status?q=xxxDGP info
/htmlcoin-api/dgpinfoWhere "xxx" can be:
- getInfo
- getDifficulty
- getBestBlockHash
- getLastBlockHash
Utility Methods
/htmlcoin-api/utils/estimatefee[?nbBlocks=2]Min Estimate Fee Per KB
/htmlcoin-api/utils/minestimatefee[?nbBlocks=2]resp:
{
fee_per_kb: 0.00001
}HRC20 info
/htmlcoin-api/erc20/:contractAddressHRC20 transfers
/htmlcoin-api/erc20/:contractAddress/transfersHRC20 balances
/htmlcoin-api/erc20/:contractAddress/balancesCall Contract
/htmlcoin-api/contracts/:contractaddress/hash/:contracthash/callWeb Socket API
The web socket API is served using socket.io.
The following are the events published by insight:
tx: new transaction received from network. This event is published in the 'inv' room. Data will be a app/models/Transaction object.
Sample output:
{
"txid":"00c1b1acb310b87085c7deaaeba478cef5dc9519fab87a4d943ecbb39bd5b053",
"processed":false
...
}block: new block received from network. This event is published in the inv room. Data will be a app/models/Block object.
Sample output:
{
"hash":"000000004a3d187c430cd6a5e988aca3b19e1f1d1727a50dead6c8ac26899b96",
"time":1389789343,
...
}status: every 1% increment on the sync task, this event will be triggered. This event is published in the sync room.
Sample output:
{
blocksToSync: 164141,
syncedBlocks: 475,
upToExisting: true,
scanningBackward: true,
isEndGenesis: true,
end: "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943",
isStartGenesis: false,
start: "000000009f929800556a8f3cfdbe57c187f2f679e351b12f7011bfc276c41b6d"
}Example Usage
The following html page connects to the socket.io insight API and listens for new transactions.
html
<html>
<body>
<script src="http://<insight-server>:<port>/socket.io/socket.io.js"></script>
<script>
eventToListenTo = 'tx'
room = 'inv'
var socket = io("http://<insight-server>:<port>/");
socket.on('connect', function() {
// Join the room.
socket.emit('subscribe', room);
})
socket.on(eventToListenTo, function(data) {
console.log("New transaction received: " + data.txid)
})
</script>
</body>
</html>License
(The MIT License)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.